Change name to beta 01

Currently translated at 99.8% (561 of 562 strings)

Translation: KeePassDX/Strings
Translate-URL: https://hosted.weblate.org/projects/keepass-dx/strings/it/

CHANGELOG

@@ -1,6 +1,66 @@
+KeePassDX(3.0.0)
+ * Add / Manage dynamic templates #191
+ * Manually select RecycleBin group and Templates group #191
+ * Setting to display OTP Token in list #655
+ * Fix timeout in dialogs #716
+ * Check URI permissions #626
+ * Improvements #1035 #1043 #942 #1021 #1027
+
+KeePassDX(2.10.5)
+ * Increase the saving speed of database #1028
+ * Fix advanced unlocking by device credential #1029
+
+KeePassDX(2.10.4)
+ * Hot fix to increase the opening speed of database #1028
+
+KeePassDX(2.10.3)
+ * Improve Magikeyboard options description #1022 #1023 (Thx @djibux)
+ * Fix database opened without notification (database is now closed when screen is killed in background #1025)
+ * Fix biometric prompt #1018
+
+KeePassDX(2.10.2)
+ * Fix search fields references #987
+ * Fix Auto-Types with same key #997
+
+KeePassDX(2.10.1)
+ * Fix parcelable with custom data #986
+
+KeePassDX(2.10.0)
+ * Manage new database format 4.1 #956
+ * Fix show button consistency #980
+ * Fix persistent notification #979
+
+KeePassDX(2.9.20)
+ * Fix search with non-latin chars #971
+ * Fix action mode with search #972 (rollback ignore accents #945)
+ * Fix timeout with 0s #974
+
+KeePassDX(2.9.19)
+ * Fix search slowdown #964
+ * Fix closing notification after lock request #965
+ * Better temp advanced unlocking code implementation #965
+ * Fix OTP token generation #967
+
+KeePassDX(2.9.18)
+ * Move groups #658
+ * Improve autofill recognition #960
+ * Remove diacritical marks in search string #945
+ * Fix search in references #962
+ * Fix themes in Libre version
+
+KeePassDX(2.9.17)
+ * Import / Export app properties #839
+ * Force twofish padding compatibility #955
+ * Better timeout preference #579
+
+KeePassDX(2.9.16)
+ * Fix small bugs #948
+
 KeePassDX(2.9.15)
- * Fix themes #935
+ * Fix themes #935 #926
  * Decrease default clipboard time #934
+ * Better opening performance #929 #933
+ * Fix memory usage setting #941
 
 KeePassDX(2.9.14)
  * Add custom icons #96

app/build.gradle

@@ -11,8 +11,8 @@ android {
         applicationId "com.kunzisoft.keepass"
         minSdkVersion 15
         targetSdkVersion 30
-        versionCode = 66
+        versionCode = 84
-        versionName = "2.9.15"
+        versionName = "3.0.0_beta01"
         multiDexEnabled true
 
         testApplicationId = "com.kunzisoft.keepass.tests"
@@ -109,7 +109,7 @@ dependencies {
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
     implementation 'androidx.viewpager2:viewpager2:1.1.0-alpha01'
     implementation 'androidx.documentfile:documentfile:1.0.1'
-    implementation 'androidx.biometric:biometric:1.1.0-rc01'
+    implementation 'androidx.biometric:biometric:1.1.0'
     // Lifecycle - LiveData - ViewModel - Coroutines
     implementation "androidx.core:core-ktx:1.3.2"
     implementation 'androidx.fragment:fragment-ktx:1.2.5'

app/src/androidTest/java/com/kunzisoft/keepass/tests/template/TemplateAttributeOptionTest.kt

@@ -0,0 +1,24 @@
+package com.kunzisoft.keepass.tests.template
+
+import com.kunzisoft.keepass.database.element.template.TemplateAttributeOption
+import junit.framework.TestCase
+import org.junit.Assert
+
+class TemplateAttributeOptionTest: TestCase() {
+
+    fun testSerializeOptions() {
+        val options = TemplateAttributeOption().apply {
+            put("TestA", "TestB")
+            put("{D", "}C")
+            put("E,gyu", "15,jk")
+            put("ù*:**", "78:96?545")
+        }
+
+        val strings = TemplateAttributeOption.getStringFromOptions(options)
+        val optionsAfterSerialization = TemplateAttributeOption.getOptionsFromString(strings)
+        val otherString = TemplateAttributeOption.getStringFromOptions(optionsAfterSerialization)
+
+        Assert.assertEquals("Output not equal to input", strings, otherString)
+    }
+
+}

app/src/androidTest/java/com/kunzisoft/keepass/tests/utils/UUIDTest.kt

@@ -0,0 +1,15 @@
+package com.kunzisoft.keepass.tests.utils
+
+import com.kunzisoft.keepass.utils.UuidUtil
+import junit.framework.TestCase
+import java.util.*
+
+class UUIDTest: TestCase() {
+
+    fun testUUID() {
+        val randomUUID = UUID.randomUUID()
+        val hexStringUUID = UuidUtil.toHexString(randomUUID)
+        val retrievedUUID = UuidUtil.fromHexString(hexStringUUID)
+        assertEquals(randomUUID, retrievedUUID)
+    }
+}

app/src/main/AndroidManifest.xml

@@ -45,7 +45,7 @@
             android:label="@string/app_name"
             android:launchMode="singleTop"
             android:configChanges="keyboardHidden"
-            android:windowSoftInputMode="stateHidden" >
+            android:windowSoftInputMode="stateHidden|stateAlwaysHidden" >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
@@ -112,8 +112,7 @@
         <activity
             android:name="com.kunzisoft.keepass.activities.GroupActivity"
             android:configChanges="keyboardHidden"
-            android:windowSoftInputMode="adjustPan"
+            android:windowSoftInputMode="adjustPan">
-            android:launchMode="singleTask">
             <meta-data
                 android:name="android.app.default_searchable"
                 android:value="com.kunzisoft.keepass.search.SearchResults"
@@ -209,7 +208,7 @@
             </intent-filter>
         </service>
         <service
-            android:name="com.kunzisoft.keepass.magikeyboard.MagikIME"
+            android:name="com.kunzisoft.keepass.magikeyboard.MagikeyboardService"
             android:label="@string/keyboard_label"
             android:permission="android.permission.BIND_INPUT_METHOD" >
             <meta-data android:name="android.view.im"

app/src/main/java/com/igreenwood/loupe/Loupe.kt

@@ -30,6 +30,7 @@ package com.igreenwood.loupe
 import android.animation.Animator
 import android.animation.ObjectAnimator
 import android.animation.ValueAnimator
+import android.annotation.SuppressLint
 import android.graphics.Matrix
 import android.graphics.PointF
 import android.graphics.Rect
@@ -108,6 +109,8 @@ class Loupe(imageView: ImageView, container: ViewGroup) : View.OnTouchListener,
     var viewDragFriction = DEFAULT_VIEW_DRAG_FRICTION
     // drag distance threshold in dp for swipe to dismiss
     var dragDismissDistanceInDp = DEFAULT_DRAG_DISMISS_DISTANCE_IN_DP
+    // on view touched
+    var onViewTouchedListener: View.OnTouchListener? = null
     // on view translate listener
     var onViewTranslateListener: OnViewTranslateListener? = null
     // on scale changed
@@ -272,7 +275,10 @@ class Loupe(imageView: ImageView, container: ViewGroup) : View.OnTouchListener,
     private var imageViewRef: WeakReference<ImageView> = WeakReference(imageView)
     private var containerRef: WeakReference<ViewGroup> = WeakReference(container)
 
+    @SuppressLint("ClickableViewAccessibility")
     override fun onTouch(view: View?, event: MotionEvent?): Boolean {
+        onViewTouchedListener?.onTouch(view, event)
+
         event ?: return false
         val imageView = imageViewRef.get() ?: return false
         val container = containerRef.get() ?: return false

app/src/main/java/com/kunzisoft/keepass/activities/AutofillLauncherActivity.kt

@@ -25,14 +25,13 @@ import android.content.Context
 import android.content.Intent
 import android.content.IntentSender
 import android.os.Build
-import android.os.Bundle
 import android.view.inputmethod.InlineSuggestionsRequest
 import android.widget.Toast
 import androidx.annotation.RequiresApi
-import androidx.appcompat.app.AppCompatActivity
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
 import com.kunzisoft.keepass.activities.helpers.SpecialMode
+import com.kunzisoft.keepass.activities.legacy.DatabaseModeActivity
 import com.kunzisoft.keepass.autofill.AutofillHelper
 import com.kunzisoft.keepass.autofill.AutofillHelper.EXTRA_INLINE_SUGGESTIONS_REQUEST
 import com.kunzisoft.keepass.autofill.KeeAutofillService
@@ -44,9 +43,18 @@ import com.kunzisoft.keepass.settings.PreferencesUtil
 import com.kunzisoft.keepass.utils.LOCK_ACTION
 
 @RequiresApi(api = Build.VERSION_CODES.O)
-class AutofillLauncherActivity : AppCompatActivity() {
+class AutofillLauncherActivity : DatabaseModeActivity() {
 
-    override fun onCreate(savedInstanceState: Bundle?) {
+    override fun applyCustomStyle(): Boolean {
+        return false
+    }
+
+    override fun finishActivityIfReloadRequested(): Boolean {
+        return true
+    }
+
+    override fun onDatabaseRetrieved(database: Database?) {
+        super.onDatabaseRetrieved(database)
 
         // Retrieve selection mode
         EntrySelectionHelper.retrieveSpecialModeFromIntent(intent).let { specialMode ->
@@ -60,7 +68,7 @@ class AutofillLauncherActivity : AppCompatActivity() {
                     }
                     SearchInfo.getConcreteWebDomain(this, searchInfo.webDomain) { concreteWebDomain ->
                         searchInfo.webDomain = concreteWebDomain
-                        launchSelection(searchInfo)
+                        launchSelection(database, searchInfo)
                     }
                 }
                 SpecialMode.REGISTRATION -> {
@@ -69,7 +77,7 @@ class AutofillLauncherActivity : AppCompatActivity() {
                     val searchInfo = SearchInfo(registerInfo?.searchInfo)
                     SearchInfo.getConcreteWebDomain(this, searchInfo.webDomain) { concreteWebDomain ->
                         searchInfo.webDomain = concreteWebDomain
-                        launchRegistration(searchInfo, registerInfo)
+                        launchRegistration(database, searchInfo, registerInfo)
                     }
                 }
                 else -> {
@@ -79,11 +87,10 @@ class AutofillLauncherActivity : AppCompatActivity() {
                 }
             }
         }
-
-        super.onCreate(savedInstanceState)
     }
 
-    private fun launchSelection(searchInfo: SearchInfo) {
+    private fun launchSelection(database: Database?,
+                                searchInfo: SearchInfo) {
         // Pass extra for Autofill (EXTRA_ASSIST_STRUCTURE)
         val autofillComponent = AutofillHelper.retrieveAutofillComponent(intent)
 
@@ -98,24 +105,22 @@ class AutofillLauncherActivity : AppCompatActivity() {
             setResult(Activity.RESULT_CANCELED)
             finish()
         } else {
-            val database = Database.getInstance()
-            val readOnly = database.isReadOnly
             // If database is open
             SearchHelper.checkAutoSearchInfo(this,
-                    Database.getInstance(),
+                    database,
                     searchInfo,
-                    { items ->
+                    { openedDatabase, items ->
                         // Items found
-                        AutofillHelper.buildResponseAndSetResult(this, items)
+                        AutofillHelper.buildResponseAndSetResult(this, openedDatabase, items)
                         finish()
                     },
-                    {
+                    { openedDatabase ->
                         // Show the database UI to select the entry
                         GroupActivity.launchForAutofillResult(this,
-                                readOnly,
+                            openedDatabase,
-                                autofillComponent,
+                            autofillComponent,
-                                searchInfo,
+                            searchInfo,
-                                false)
+                            false)
                     },
                     {
                         // If database not open
@@ -127,7 +132,9 @@ class AutofillLauncherActivity : AppCompatActivity() {
         }
     }
 
-    private fun launchRegistration(searchInfo: SearchInfo, registerInfo: RegisterInfo?) {
+    private fun launchRegistration(database: Database?,
+                                   searchInfo: SearchInfo,
+                                   registerInfo: RegisterInfo?) {
         if (!KeeAutofillService.autofillAllowedFor(searchInfo.applicationId,
                         PreferencesUtil.applicationIdBlocklist(this))
                 || !KeeAutofillService.autofillAllowedFor(searchInfo.webDomain,
@@ -135,25 +142,26 @@ class AutofillLauncherActivity : AppCompatActivity() {
             showBlockRestartMessage()
             setResult(Activity.RESULT_CANCELED)
         } else {
-            val database = Database.getInstance()
+            val readOnly = database?.isReadOnly != false
-            val readOnly = database.isReadOnly
             SearchHelper.checkAutoSearchInfo(this,
                     database,
                     searchInfo,
-                    { _ ->
+                    { openedDatabase, _ ->
                         if (!readOnly) {
                             // Show the database UI to select the entry
                             GroupActivity.launchForRegistration(this,
-                                    registerInfo)
+                                openedDatabase,
+                                registerInfo)
                         } else {
                             showReadOnlySaveMessage()
                         }
                     },
-                    {
+                    { openedDatabase ->
                         if (!readOnly) {
                             // Show the database UI to select the entry
                             GroupActivity.launchForRegistration(this,
-                                    registerInfo)
+                                openedDatabase,
+                                registerInfo)
                         } else {
                             showReadOnlySaveMessage()
                         }

app/src/main/java/com/kunzisoft/keepass/activities/EntryActivity.kt

@@ -32,68 +32,62 @@ import android.view.MenuItem
 import android.view.View
 import android.widget.ImageView
 import android.widget.ProgressBar
-import android.widget.Toast
+import androidx.activity.viewModels
-import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.widget.Toolbar
 import androidx.coordinatorlayout.widget.CoordinatorLayout
 import com.google.android.material.appbar.CollapsingToolbarLayout
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.activities.helpers.ReadOnlyHelper
+import com.kunzisoft.keepass.activities.fragments.EntryFragment
+import com.kunzisoft.keepass.activities.helpers.ExternalFileHelper
 import com.kunzisoft.keepass.activities.helpers.SpecialMode
-import com.kunzisoft.keepass.activities.lock.LockingActivity
+import com.kunzisoft.keepass.activities.legacy.DatabaseLockActivity
-import com.kunzisoft.keepass.activities.lock.resetAppTimeoutWhenViewFocusedOrChanged
 import com.kunzisoft.keepass.database.element.Attachment
 import com.kunzisoft.keepass.database.element.Database
-import com.kunzisoft.keepass.database.element.Entry
+import com.kunzisoft.keepass.database.element.icon.IconImage
 import com.kunzisoft.keepass.database.element.node.NodeId
 import com.kunzisoft.keepass.education.EntryActivityEducation
-import com.kunzisoft.keepass.magikeyboard.MagikIME
+import com.kunzisoft.keepass.magikeyboard.MagikeyboardService
 import com.kunzisoft.keepass.model.EntryAttachmentState
-import com.kunzisoft.keepass.model.StreamDirection
+import com.kunzisoft.keepass.otp.OtpType
-import com.kunzisoft.keepass.otp.OtpEntryFields
 import com.kunzisoft.keepass.services.AttachmentFileNotificationService
 import com.kunzisoft.keepass.services.ClipboardEntryNotificationService
 import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_DELETE_ENTRY_HISTORY
-import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_RELOAD_TASK
 import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_RESTORE_ENTRY_HISTORY
 import com.kunzisoft.keepass.settings.PreferencesUtil
+import com.kunzisoft.keepass.tasks.ActionRunnable
 import com.kunzisoft.keepass.tasks.AttachmentFileBinderManager
-import com.kunzisoft.keepass.timeout.ClipboardHelper
 import com.kunzisoft.keepass.timeout.TimeoutHelper
 import com.kunzisoft.keepass.utils.*
-import com.kunzisoft.keepass.view.EntryContentsView
+import com.kunzisoft.keepass.view.hideByFading
 import com.kunzisoft.keepass.view.showActionErrorIfNeeded
+import com.kunzisoft.keepass.viewmodels.EntryViewModel
 import java.util.*
 import kotlin.collections.HashMap
 
-class EntryActivity : LockingActivity() {
+class EntryActivity : DatabaseLockActivity() {
 
     private var coordinatorLayout: CoordinatorLayout? = null
     private var collapsingToolbarLayout: CollapsingToolbarLayout? = null
     private var titleIconView: ImageView? = null
     private var historyView: View? = null
-    private var entryContentsView: EntryContentsView? = null
     private var entryProgress: ProgressBar? = null
     private var lockView: View? = null
     private var toolbar: Toolbar? = null
+    private var loadingView: ProgressBar? = null
 
-    private var mDatabase: Database? = null
+    private val mEntryViewModel: EntryViewModel by viewModels()
 
-    private var mEntry: Entry? = null
+    private var mMainEntryId: NodeId<UUID>? = null
-
+    private var mHistoryPosition: Int = -1
-    private var mIsHistory: Boolean = false
+    private var mEntryIsHistory: Boolean = false
-    private var mEntryLastVersion: Entry? = null
+    private var mUrl: String? = null
-    private var mEntryHistoryPosition: Int = -1
-
-    private var mShowPassword: Boolean = false
 
     private var mAttachmentFileBinderManager: AttachmentFileBinderManager? = null
     private var mAttachmentsToDownload: HashMap<Int, Attachment> = HashMap()
+    private var mExternalFileHelper: ExternalFileHelper? = null
 
-    private var clipboardHelper: ClipboardHelper? = null
+    private var mIcon: IconImage? = null
-    private var mFirstLaunchOfActivity: Boolean = false
+    private var mIconColor: Int = 0
-
-    private var iconColor: Int = 0
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -105,60 +99,167 @@ class EntryActivity : LockingActivity() {
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
         supportActionBar?.setDisplayShowHomeEnabled(true)
 
-        mDatabase = Database.getInstance()
-        mReadOnly = mDatabase!!.isReadOnly || mReadOnly
-
-        mShowPassword = !PreferencesUtil.isPasswordMask(this)
-
-        // Retrieve the textColor to tint the icon
-        val taIconColor = theme.obtainStyledAttributes(intArrayOf(R.attr.colorAccent))
-        iconColor = taIconColor.getColor(0, Color.BLACK)
-        taIconColor.recycle()
-
-        // Refresh Menu contents in case onCreateMenuOptions was called before mEntry was set
-        invalidateOptionsMenu()
-
         // Get views
         coordinatorLayout = findViewById(R.id.toolbar_coordinator)
         collapsingToolbarLayout = findViewById(R.id.toolbar_layout)
         titleIconView = findViewById(R.id.entry_icon)
         historyView = findViewById(R.id.history_container)
-        entryContentsView = findViewById(R.id.entry_contents)
-        entryContentsView?.applyFontVisibilityToFields(PreferencesUtil.fieldFontIsInVisibility(this))
-        entryContentsView?.setAttachmentCipherKey(mDatabase)
         entryProgress = findViewById(R.id.entry_progress)
         lockView = findViewById(R.id.lock_button)
+        loadingView = findViewById(R.id.loading)
+
+        // Empty title
+        collapsingToolbarLayout?.title = " "
+        toolbar?.title = " "
+
+        // Retrieve the textColor to tint the icon
+        val taIconColor = theme.obtainStyledAttributes(intArrayOf(R.attr.colorAccent))
+        mIconColor = taIconColor.getColor(0, Color.BLACK)
+        taIconColor.recycle()
+
+        // Get Entry from UUID
+        try {
+            intent.getParcelableExtra<NodeId<UUID>?>(KEY_ENTRY)?.let { entryId ->
+                mMainEntryId = entryId
+                intent.removeExtra(KEY_ENTRY)
+                mHistoryPosition = intent.getIntExtra(KEY_ENTRY_HISTORY_POSITION, -1)
+                intent.removeExtra(KEY_ENTRY_HISTORY_POSITION)
+            }
+        } catch (e: ClassCastException) {
+            Log.e(TAG, "Unable to retrieve the entry key")
+        }
+
+        // Init SAF manager
+        mExternalFileHelper = ExternalFileHelper(this)
+        // Init attachment service binder manager
+        mAttachmentFileBinderManager = AttachmentFileBinderManager(this)
 
         lockView?.setOnClickListener {
             lockAndExit()
         }
 
-        // Focus view to reinitialize timeout
+        mEntryViewModel.mainEntryId.observe(this) { mainEntryId ->
-        coordinatorLayout?.resetAppTimeoutWhenViewFocusedOrChanged(this)
+            this.mMainEntryId = mainEntryId
+            invalidateOptionsMenu()
+        }
 
-        // Init the clipboard helper
+        mEntryViewModel.historyPosition.observe(this) { historyPosition ->
-        clipboardHelper = ClipboardHelper(this)
+            this.mHistoryPosition = historyPosition
-        mFirstLaunchOfActivity = savedInstanceState?.getBoolean(KEY_FIRST_LAUNCH_ACTIVITY) ?: true
+            val entryIsHistory = historyPosition > -1
+            this.mEntryIsHistory = entryIsHistory
+            // Assign history dedicated view
+            historyView?.visibility = if (entryIsHistory) View.VISIBLE else View.GONE
+            if (entryIsHistory) {
+                val taColorAccent = theme.obtainStyledAttributes(intArrayOf(R.attr.colorAccent))
+                collapsingToolbarLayout?.contentScrim = ColorDrawable(taColorAccent.getColor(0, Color.BLACK))
+                taColorAccent.recycle()
+            }
+            invalidateOptionsMenu()
+        }
 
-        // Init attachment service binder manager
+        mEntryViewModel.entryInfo.observe(this) { entryInfo ->
-        mAttachmentFileBinderManager = AttachmentFileBinderManager(this)
+            // Manage entry copy to start notification if allowed (at the first start)
-
+            if (savedInstanceState == null) {
-        mProgressDatabaseTaskProvider?.onActionFinish = { actionTask, result ->
+                // Manage entry to launch copying notification if allowed
-            when (actionTask) {
+                ClipboardEntryNotificationService.launchNotificationIfAllowed(this, entryInfo)
-                ACTION_DATABASE_RESTORE_ENTRY_HISTORY,
+                // Manage entry to populate Magikeyboard and launch keyboard notification if allowed
-                ACTION_DATABASE_DELETE_ENTRY_HISTORY -> {
+                if (PreferencesUtil.isKeyboardEntrySelectionEnable(this)) {
-                    // Close the current activity after an history action
+                    MagikeyboardService.addEntryAndLaunchNotificationIfAllowed(this, entryInfo)
-                    if (result.isSuccess)
-                        finish()
-                }
-                ACTION_DATABASE_RELOAD_TASK -> {
-                    // Close the current activity
-                    this.showActionErrorIfNeeded(result)
-                    finish()
                 }
             }
-            coordinatorLayout?.showActionErrorIfNeeded(result)
+
+            // Assign title icon
+            mIcon = entryInfo.icon
+            titleIconView?.let { iconView ->
+                mIconDrawableFactory?.assignDatabaseIcon(iconView, entryInfo.icon, mIconColor)
+            }
+
+            // Assign title text
+            val entryTitle = if (entryInfo.title.isNotEmpty()) entryInfo.title else entryInfo.id.toString()
+            collapsingToolbarLayout?.title = entryTitle
+            toolbar?.title = entryTitle
+
+            mUrl = entryInfo.url
+
+            // Refresh Menu
+            invalidateOptionsMenu()
+
+            loadingView?.hideByFading()
         }
+
+        mEntryViewModel.onOtpElementUpdated.observe(this) { otpElement ->
+            if (otpElement == null)
+                entryProgress?.visibility = View.GONE
+            when (otpElement?.type) {
+                // Only add token if HOTP
+                OtpType.HOTP -> {
+                    entryProgress?.visibility = View.GONE
+                }
+                // Refresh view if TOTP
+                OtpType.TOTP -> {
+                    entryProgress?.apply {
+                        max = otpElement.period
+                        progress = otpElement.secondsRemaining
+                        visibility = View.VISIBLE
+                    }
+                }
+            }
+        }
+
+        mEntryViewModel.attachmentSelected.observe(this) { attachmentSelected ->
+            mExternalFileHelper?.createDocument(attachmentSelected.name)?.let { requestCode ->
+                mAttachmentsToDownload[requestCode] = attachmentSelected
+            }
+        }
+
+        mEntryViewModel.historySelected.observe(this) { historySelected ->
+            mDatabase?.let { database ->
+                launch(
+                    this,
+                    database,
+                    historySelected.nodeId,
+                    historySelected.historyPosition
+                )
+            }
+        }
+    }
+
+    override fun finishActivityIfReloadRequested(): Boolean {
+        return true
+    }
+
+    override fun viewToInvalidateTimeout(): View? {
+        return coordinatorLayout
+    }
+
+    override fun onDatabaseRetrieved(database: Database?) {
+        super.onDatabaseRetrieved(database)
+
+        mEntryViewModel.loadEntry(mDatabase, mMainEntryId, mHistoryPosition)
+
+        // Assign title icon
+        mIcon?.let { icon ->
+            titleIconView?.let { iconView ->
+                mIconDrawableFactory?.assignDatabaseIcon(iconView, icon, mIconColor)
+            }
+        }
+    }
+
+    override fun onDatabaseActionFinished(
+        database: Database,
+        actionTask: String,
+        result: ActionRunnable.Result
+    ) {
+        super.onDatabaseActionFinished(database, actionTask, result)
+        when (actionTask) {
+            ACTION_DATABASE_RESTORE_ENTRY_HISTORY,
+            ACTION_DATABASE_DELETE_ENTRY_HISTORY -> {
+                // Close the current activity after an history action
+                if (result.isSuccess)
+                    finish()
+            }
+        }
+        coordinatorLayout?.showActionErrorIfNeeded(result)
     }
 
     override fun onResume() {
@@ -171,63 +272,14 @@ class EntryActivity : LockingActivity() {
             View.GONE
         }
 
-        // Get Entry from UUID
-        try {
-            val keyEntry: NodeId<UUID>? = intent.getParcelableExtra(KEY_ENTRY)
-            if (keyEntry != null) {
-                mEntry = mDatabase?.getEntryById(keyEntry)
-                mEntryLastVersion = mEntry
-            }
-        } catch (e: ClassCastException) {
-            Log.e(TAG, "Unable to retrieve the entry key")
-        }
-
-        val historyPosition = intent.getIntExtra(KEY_ENTRY_HISTORY_POSITION, mEntryHistoryPosition)
-        mEntryHistoryPosition = historyPosition
-        if (historyPosition >= 0) {
-            mIsHistory = true
-            mEntry = mEntry?.getHistory()?.get(historyPosition)
-        }
-
-        if (mEntry == null) {
-            Toast.makeText(this, R.string.entry_not_found, Toast.LENGTH_LONG).show()
-            finish()
-            return
-        }
-
-        // Update last access time.
-        mEntry?.touch(modified = false, touchParents = false)
-
-        mEntry?.let { entry ->
-            // Fill data in resume to update from EntryEditActivity
-            fillEntryDataInContentsView(entry)
-            // Refresh Menu
-            invalidateOptionsMenu()
-
-            val entryInfo = entry.getEntryInfo(mDatabase)
-            // Manage entry copy to start notification if allowed
-            if (mFirstLaunchOfActivity) {
-                // Manage entry to launch copying notification if allowed
-                ClipboardEntryNotificationService.launchNotificationIfAllowed(this, entryInfo)
-                // Manage entry to populate Magikeyboard and launch keyboard notification if allowed
-                if (PreferencesUtil.isKeyboardEntrySelectionEnable(this)) {
-                    MagikIME.addEntryAndLaunchNotificationIfAllowed(this, entryInfo)
-                }
-            }
-        }
-
         mAttachmentFileBinderManager?.apply {
             registerProgressTask()
             onActionTaskListener = object : AttachmentFileNotificationService.ActionTaskListener {
                 override fun onAttachmentAction(fileUri: Uri, entryAttachmentState: EntryAttachmentState) {
-                    if (entryAttachmentState.streamDirection != StreamDirection.UPLOAD) {
+                    mEntryViewModel.onAttachmentAction(entryAttachmentState)
-                        entryContentsView?.putAttachment(entryAttachmentState)
-                    }
                 }
             }
         }
-
-        mFirstLaunchOfActivity = false
     }
 
     override fun onPause() {
@@ -236,151 +288,17 @@ class EntryActivity : LockingActivity() {
         super.onPause()
     }
 
-    private fun fillEntryDataInContentsView(entry: Entry) {
-
-        val entryInfo = entry.getEntryInfo(mDatabase)
-
-        // Assign title icon
-        titleIconView?.let { iconView ->
-            mDatabase?.iconDrawableFactory?.assignDatabaseIcon(iconView, entryInfo.icon, iconColor)
-        }
-
-        // Assign title text
-        val entryTitle = entryInfo.title
-        collapsingToolbarLayout?.title = entryTitle
-        toolbar?.title = entryTitle
-
-        // Assign basic fields
-        entryContentsView?.assignUserName(entryInfo.username) {
-            clipboardHelper?.timeoutCopyToClipboard(entryInfo.username,
-                    getString(R.string.copy_field,
-                            getString(R.string.entry_user_name)))
-        }
-
-        val isFirstTimeAskAllowCopyPasswordAndProtectedFields =
-                PreferencesUtil.isFirstTimeAskAllowCopyPasswordAndProtectedFields(this)
-        val allowCopyPasswordAndProtectedFields =
-                PreferencesUtil.allowCopyPasswordAndProtectedFields(this)
-
-        val showWarningClipboardDialogOnClickListener = View.OnClickListener {
-            AlertDialog.Builder(this@EntryActivity)
-                    .setMessage(getString(R.string.allow_copy_password_warning) +
-                            "\n\n" +
-                            getString(R.string.clipboard_warning))
-                    .create().apply {
-                        setButton(AlertDialog.BUTTON_POSITIVE, getText(R.string.enable)) { dialog, _ ->
-                            PreferencesUtil.setAllowCopyPasswordAndProtectedFields(this@EntryActivity, true)
-                            dialog.dismiss()
-                            fillEntryDataInContentsView(entry)
-                        }
-                        setButton(AlertDialog.BUTTON_NEGATIVE, getText(R.string.disable)) { dialog, _ ->
-                            PreferencesUtil.setAllowCopyPasswordAndProtectedFields(this@EntryActivity, false)
-                            dialog.dismiss()
-                            fillEntryDataInContentsView(entry)
-                        }
-                        show()
-                    }
-        }
-
-        val onPasswordCopyClickListener: View.OnClickListener? = if (allowCopyPasswordAndProtectedFields) {
-            View.OnClickListener {
-                clipboardHelper?.timeoutCopyToClipboard(entryInfo.password,
-                        getString(R.string.copy_field,
-                                getString(R.string.entry_password)))
-            }
-        } else {
-            // If dialog not already shown
-            if (isFirstTimeAskAllowCopyPasswordAndProtectedFields) {
-                showWarningClipboardDialogOnClickListener
-            } else {
-                null
-            }
-        }
-        entryContentsView?.assignPassword(entryInfo.password,
-                allowCopyPasswordAndProtectedFields,
-                onPasswordCopyClickListener)
-
-        //Assign OTP field
-        entry.getOtpElement()?.let { otpElement ->
-            entryContentsView?.assignOtp(otpElement, entryProgress) {
-                clipboardHelper?.timeoutCopyToClipboard(
-                        otpElement.token,
-                        getString(R.string.copy_field, getString(R.string.entry_otp))
-                )
-            }
-        }
-
-        entryContentsView?.assignURL(entryInfo.url)
-        entryContentsView?.assignNotes(entryInfo.notes)
-
-        // Assign custom fields
-        if (mDatabase?.allowEntryCustomFields() == true) {
-            entryContentsView?.clearExtraFields()
-            entryInfo.customFields.forEach { field ->
-                val label = field.name
-                // OTP field is already managed in dedicated view
-                if (label != OtpEntryFields.OTP_TOKEN_FIELD) {
-                    val value = field.protectedValue
-                    val allowCopyProtectedField = !value.isProtected || allowCopyPasswordAndProtectedFields
-                    if (allowCopyProtectedField) {
-                        entryContentsView?.addExtraField(label, value, allowCopyProtectedField) {
-                            clipboardHelper?.timeoutCopyToClipboard(
-                                    value.toString(),
-                                    getString(R.string.copy_field, label)
-                            )
-                        }
-                    } else {
-                        // If dialog not already shown
-                        if (isFirstTimeAskAllowCopyPasswordAndProtectedFields) {
-                            entryContentsView?.addExtraField(label, value, allowCopyProtectedField, showWarningClipboardDialogOnClickListener)
-                        } else {
-                            entryContentsView?.addExtraField(label, value, allowCopyProtectedField, null)
-                        }
-                    }
-                }
-            }
-        }
-        entryContentsView?.setHiddenProtectedValue(!mShowPassword)
-
-        // Manage attachments
-        entryContentsView?.assignAttachments(entryInfo.attachments.toSet(), StreamDirection.DOWNLOAD) { attachmentItem ->
-            createDocument(this, attachmentItem.name)?.let { requestCode ->
-                mAttachmentsToDownload[requestCode] = attachmentItem
-            }
-        }
-
-        // Assign dates
-        entryContentsView?.assignCreationDate(entryInfo.creationTime)
-        entryContentsView?.assignModificationDate(entryInfo.lastModificationTime)
-        entryContentsView?.setExpires(entryInfo.expires, entryInfo.expiryTime)
-
-        // Manage history
-        historyView?.visibility = if (mIsHistory) View.VISIBLE else View.GONE
-        if (mIsHistory) {
-            val taColorAccent = theme.obtainStyledAttributes(intArrayOf(R.attr.colorAccent))
-            collapsingToolbarLayout?.contentScrim = ColorDrawable(taColorAccent.getColor(0, Color.BLACK))
-            taColorAccent.recycle()
-        }
-        entryContentsView?.assignHistory(entry.getHistory()) { historyItem, position ->
-            launch(this, historyItem, mReadOnly, position)
-        }
-
-        // Assign special data
-        entryContentsView?.assignUUID(entry.nodeId.id)
-    }
-
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
 
         when (requestCode) {
-            EntryEditActivity.ADD_OR_UPDATE_ENTRY_REQUEST_CODE ->
+            EntryEditActivity.ADD_OR_UPDATE_ENTRY_REQUEST_CODE -> {
-                // Not directly get the entry from intent data but from database
+                // Reload the current id from database
-                mEntry?.let {
+                mEntryViewModel.updateEntry(mDatabase)
-                    fillEntryDataInContentsView(it)
+            }
-                }
         }
 
-        onCreateDocumentResult(requestCode, resultCode, data) { createdFileUri ->
+        mExternalFileHelper?.onCreateDocumentResult(requestCode, resultCode, data) { createdFileUri ->
             if (createdFileUri != null) {
                 mAttachmentsToDownload[requestCode]?.let { attachmentToDownload ->
                     mAttachmentFileBinderManager
@@ -395,12 +313,18 @@ class EntryActivity : LockingActivity() {
 
         val inflater = menuInflater
         MenuUtil.contributionMenuInflater(inflater, menu)
+
         inflater.inflate(R.menu.entry, menu)
         inflater.inflate(R.menu.database, menu)
-        if (mIsHistory && !mReadOnly) {
+
+        if (mUrl?.isEmpty() != false) {
+            menu.findItem(R.id.menu_goto_url)?.isVisible = false
+        }
+
+        if (mEntryIsHistory && !mDatabaseReadOnly) {
             inflater.inflate(R.menu.entry_history, menu)
         }
-        if (mIsHistory || mReadOnly) {
+        if (mEntryIsHistory || mDatabaseReadOnly) {
             menu.findItem(R.id.menu_save_database)?.isVisible = false
             menu.findItem(R.id.menu_edit)?.isVisible = false
         }
@@ -408,20 +332,6 @@ class EntryActivity : LockingActivity() {
             menu.findItem(R.id.menu_reload_database)?.isVisible = false
         }
 
-        val gotoUrl = menu.findItem(R.id.menu_goto_url)
-        gotoUrl?.apply {
-            // In API >= 11 onCreateOptionsMenu may be called before onCreate completes
-            // so mEntry may not be set
-            if (mEntry == null) {
-                isVisible = false
-            } else {
-                if (mEntry?.url?.isEmpty() != false) {
-                    // disable button if url is not available
-                    isVisible = false
-                }
-            }
-        }
-
         // Show education views
         Handler(Looper.getMainLooper()).post { performedNextEducation(EntryActivityEducation(this), menu) }
 
@@ -430,18 +340,18 @@ class EntryActivity : LockingActivity() {
 
     private fun performedNextEducation(entryActivityEducation: EntryActivityEducation,
                                        menu: Menu) {
-        val entryFieldCopyView = entryContentsView?.firstEntryFieldCopyView()
+        val entryFragment = supportFragmentManager.findFragmentByTag(ENTRY_FRAGMENT_TAG)
+                as? EntryFragment?
+        val entryFieldCopyView: View? = entryFragment?.firstEntryFieldCopyView()
         val entryCopyEducationPerformed = entryFieldCopyView != null
                 && entryActivityEducation.checkAndPerformedEntryCopyEducation(
-                        entryFieldCopyView,
+                entryFieldCopyView,
-                        {
+                {
-                            val appNameString = getString(R.string.app_name)
+                    entryFragment.launchEntryCopyEducationAction()
-                            clipboardHelper?.timeoutCopyToClipboard(appNameString,
+                },
-                                    getString(R.string.copy_field, appNameString))
+                {
-                        },
+                    performedNextEducation(entryActivityEducation, menu)
-                        {
+                })
-                            performedNextEducation(entryActivityEducation, menu)
-                        })
 
         if (!entryCopyEducationPerformed) {
             val menuEditView = toolbar?.findViewById<View>(R.id.menu_edit)
@@ -465,60 +375,53 @@ class EntryActivity : LockingActivity() {
                 return true
             }
             R.id.menu_edit -> {
-                mEntry?.let {
+                mDatabase?.let { database ->
-                    EntryEditActivity.launch(this@EntryActivity, it)
+                    mMainEntryId?.let { entryId ->
+                        EntryEditActivity.launchToUpdate(
+                            this,
+                            database,
+                            entryId
+                        )
+                    }
                 }
                 return true
             }
             R.id.menu_goto_url -> {
-                var url: String = mEntry?.url ?: ""
+                mUrl?.let { url ->
-
+                    UriUtil.gotoUrl(this, url)
-                // Default http:// if no protocol specified
-                if (!url.contains("://")) {
-                    url = "http://$url"
                 }
-
-                UriUtil.gotoUrl(this, url)
                 return true
             }
             R.id.menu_restore_entry_history -> {
-                mEntryLastVersion?.let { mainEntry ->
+                mMainEntryId?.let { mainEntryId ->
-                    mProgressDatabaseTaskProvider?.startDatabaseRestoreEntryHistory(
+                    restoreEntryHistory(
-                            mainEntry,
+                        mainEntryId,
-                            mEntryHistoryPosition,
+                        mHistoryPosition)
-                            !mReadOnly && mAutoSaveEnable)
                 }
             }
             R.id.menu_delete_entry_history -> {
-                mEntryLastVersion?.let { mainEntry ->
+                mMainEntryId?.let { mainEntryId ->
-                    mProgressDatabaseTaskProvider?.startDatabaseDeleteEntryHistory(
+                    deleteEntryHistory(
-                            mainEntry,
+                        mainEntryId,
-                            mEntryHistoryPosition,
+                        mHistoryPosition)
-                            !mReadOnly && mAutoSaveEnable)
                 }
             }
             R.id.menu_save_database -> {
-                mProgressDatabaseTaskProvider?.startDatabaseSave(!mReadOnly)
+                saveDatabase()
             }
             R.id.menu_reload_database -> {
-                mProgressDatabaseTaskProvider?.startDatabaseReload(false)
+                reloadDatabase()
             }
             android.R.id.home -> finish() // close this activity and return to preview activity (if there is any)
         }
         return super.onOptionsItemSelected(item)
     }
 
-    override fun onSaveInstanceState(outState: Bundle) {
-        super.onSaveInstanceState(outState)
-
-        outState.putBoolean(KEY_FIRST_LAUNCH_ACTIVITY, mFirstLaunchOfActivity)
-    }
-
     override fun finish() {
         // Transit data in previous Activity after an update
         Intent().apply {
-            putExtra(EntryEditActivity.ADD_OR_UPDATE_ENTRY_KEY, mEntry)
+            putExtra(EntryEditActivity.ADD_OR_UPDATE_ENTRY_KEY, mMainEntryId)
-            setResult(EntryEditActivity.UPDATE_ENTRY_RESULT_CODE, this)
+            setResult(EntryEditActivity.ADD_OR_UPDATE_ENTRY_RESULT_CODE, this)
         }
         super.finish()
     }
@@ -526,19 +429,46 @@ class EntryActivity : LockingActivity() {
     companion object {
         private val TAG = EntryActivity::class.java.name
 
-        private const val KEY_FIRST_LAUNCH_ACTIVITY = "KEY_FIRST_LAUNCH_ACTIVITY"
-
         const val KEY_ENTRY = "KEY_ENTRY"
         const val KEY_ENTRY_HISTORY_POSITION = "KEY_ENTRY_HISTORY_POSITION"
 
-        fun launch(activity: Activity, entry: Entry, readOnly: Boolean, historyPosition: Int? = null) {
+        const val ENTRY_FRAGMENT_TAG = "ENTRY_FRAGMENT_TAG"
-            if (TimeoutHelper.checkTimeAndLockIfTimeout(activity)) {
+
-                val intent = Intent(activity, EntryActivity::class.java)
+        /**
-                intent.putExtra(KEY_ENTRY, entry.nodeId)
+         * Open standard Entry activity
-                ReadOnlyHelper.putReadOnlyInIntent(intent, readOnly)
+         */
-                if (historyPosition != null)
+        fun launch(activity: Activity,
+                   database: Database,
+                   entryId: NodeId<UUID>) {
+            if (database.loaded) {
+                if (TimeoutHelper.checkTimeAndLockIfTimeout(activity)) {
+                    val intent = Intent(activity, EntryActivity::class.java)
+                    intent.putExtra(KEY_ENTRY, entryId)
+                    activity.startActivityForResult(
+                        intent,
+                        EntryEditActivity.ADD_OR_UPDATE_ENTRY_REQUEST_CODE
+                    )
+                }
+            }
+        }
+
+        /**
+         * Open history Entry activity
+         */
+        fun launch(activity: Activity,
+                   database: Database,
+                   entryId: NodeId<UUID>,
+                   historyPosition: Int) {
+            if (database.loaded) {
+                if (TimeoutHelper.checkTimeAndLockIfTimeout(activity)) {
+                    val intent = Intent(activity, EntryActivity::class.java)
+                    intent.putExtra(KEY_ENTRY, entryId)
                     intent.putExtra(KEY_ENTRY_HISTORY_POSITION, historyPosition)
-                activity.startActivityForResult(intent, EntryEditActivity.ADD_OR_UPDATE_ENTRY_REQUEST_CODE)
+                    activity.startActivityForResult(
+                        intent,
+                        EntryEditActivity.ADD_OR_UPDATE_ENTRY_REQUEST_CODE
+                    )
+                }
             }
         }
     }

app/src/main/java/com/kunzisoft/keepass/activities/EntrySelectionLauncherActivity.kt

@@ -22,14 +22,13 @@ package com.kunzisoft.keepass.activities
 import android.app.Activity
 import android.content.Intent
 import android.net.Uri
-import android.os.Bundle
 import android.widget.Toast
-import androidx.appcompat.app.AppCompatActivity
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
+import com.kunzisoft.keepass.activities.legacy.DatabaseModeActivity
 import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.search.SearchHelper
-import com.kunzisoft.keepass.magikeyboard.MagikIME
+import com.kunzisoft.keepass.magikeyboard.MagikeyboardService
 import com.kunzisoft.keepass.model.EntryInfo
 import com.kunzisoft.keepass.model.SearchInfo
 import com.kunzisoft.keepass.otp.OtpEntryFields
@@ -39,10 +38,18 @@ import com.kunzisoft.keepass.settings.PreferencesUtil
  * Activity to search or select entry in database,
  * Commonly used with Magikeyboard
  */
-class EntrySelectionLauncherActivity : AppCompatActivity() {
+class EntrySelectionLauncherActivity : DatabaseModeActivity() {
 
-    override fun onCreate(savedInstanceState: Bundle?) {
+    override fun applyCustomStyle(): Boolean {
+        return false
+    }
 
+    override fun finishActivityIfReloadRequested(): Boolean {
+        return true
+    }
+
+    override fun onDatabaseRetrieved(database: Database?) {
+        super.onDatabaseRetrieved(database)
         var sharedWebDomain: String? = null
         var otpString: String? = null
 
@@ -68,39 +75,39 @@ class EntrySelectionLauncherActivity : AppCompatActivity() {
             else -> {}
         }
 
-
         // Build domain search param
         val searchInfo = SearchInfo().apply {
             this.webDomain = sharedWebDomain
             this.otpString = otpString
         }
+
         SearchInfo.getConcreteWebDomain(this, searchInfo.webDomain) { concreteWebDomain ->
             searchInfo.webDomain = concreteWebDomain
-            launch(searchInfo)
+            launch(database, searchInfo)
         }
-
-        super.onCreate(savedInstanceState)
     }
 
-    private fun launch(searchInfo: SearchInfo) {
+    private fun launch(database: Database?,
+                       searchInfo: SearchInfo) {
 
         if (!searchInfo.containsOnlyNullValues()) {
             // Setting to integrate Magikeyboard
             val searchShareForMagikeyboard = PreferencesUtil.isKeyboardSearchShareEnable(this)
 
             // If database is open
-            val database = Database.getInstance()
+            val readOnly = database?.isReadOnly != false
-            val readOnly = database.isReadOnly
             SearchHelper.checkAutoSearchInfo(this,
                     database,
                     searchInfo,
-                    { items ->
+                    { openedDatabase, items ->
                         // Items found
                         if (searchInfo.otpString != null) {
                             if (!readOnly) {
-                                GroupActivity.launchForSaveResult(this,
+                                GroupActivity.launchForSaveResult(
-                                        searchInfo,
+                                    this,
-                                        false)
+                                    openedDatabase,
+                                    searchInfo,
+                                    false)
                             } else {
                                 Toast.makeText(applicationContext,
                                         R.string.autofill_read_only_save,
@@ -111,30 +118,32 @@ class EntrySelectionLauncherActivity : AppCompatActivity() {
                             if (items.size == 1) {
                                 // Automatically populate keyboard
                                 val entryPopulate = items[0]
-                                populateKeyboardAndMoveAppToBackground(this,
+                                populateKeyboardAndMoveAppToBackground(
+                                    this,
                                         entryPopulate,
                                         intent)
                             } else {
                                 // Select the one we want
                                 GroupActivity.launchForKeyboardSelectionResult(this,
-                                        readOnly,
+                                    openedDatabase,
-                                        searchInfo,
+                                    searchInfo,
-                                        true)
+                                    true)
                             }
                         } else {
                             GroupActivity.launchForSearchResult(this,
-                                    readOnly,
+                                openedDatabase,
-                                    searchInfo,
+                                searchInfo,
-                                    true)
+                                true)
                         }
                     },
-                    {
+                    { openedDatabase ->
                         // Show the database UI to select the entry
                         if (searchInfo.otpString != null) {
                             if (!readOnly) {
                                 GroupActivity.launchForSaveResult(this,
-                                        searchInfo,
+                                    openedDatabase,
-                                        false)
+                                    searchInfo,
+                                    false)
                             } else {
                                 Toast.makeText(applicationContext,
                                         R.string.autofill_read_only_save,
@@ -143,13 +152,14 @@ class EntrySelectionLauncherActivity : AppCompatActivity() {
                             }
                         } else if (readOnly || searchShareForMagikeyboard) {
                             GroupActivity.launchForKeyboardSelectionResult(this,
-                                    readOnly,
+                                openedDatabase,
-                                    searchInfo,
+                                searchInfo,
-                                    false)
+                                false)
                         } else {
                             GroupActivity.launchForSaveResult(this,
-                                    searchInfo,
+                                openedDatabase,
-                                    false)
+                                searchInfo,
+                                false)
                         }
                     },
                     {
@@ -183,7 +193,7 @@ fun populateKeyboardAndMoveAppToBackground(activity: Activity,
                                            intent: Intent,
                                            toast: Boolean = true) {
     // Populate Magikeyboard with entry
-    MagikIME.addEntryAndLaunchNotificationIfAllowed(activity, entry, toast)
+    MagikeyboardService.addEntryAndLaunchNotificationIfAllowed(activity, entry, toast)
     // Consume the selection mode
     EntrySelectionHelper.removeModesFromIntent(intent)
     activity.moveTaskToBack(true)

app/src/main/java/com/kunzisoft/keepass/activities/FileDatabaseSelectActivity.kt

@@ -42,14 +42,14 @@ import com.google.android.material.snackbar.Snackbar
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.dialogs.AssignMasterKeyDialogFragment
 import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
-import com.kunzisoft.keepass.activities.helpers.SelectFileHelper
+import com.kunzisoft.keepass.activities.helpers.ExternalFileHelper
 import com.kunzisoft.keepass.activities.helpers.SpecialMode
-import com.kunzisoft.keepass.activities.selection.SpecialModeActivity
+import com.kunzisoft.keepass.activities.helpers.setOpenDocumentClickListener
+import com.kunzisoft.keepass.activities.legacy.DatabaseModeActivity
 import com.kunzisoft.keepass.adapters.FileDatabaseHistoryAdapter
 import com.kunzisoft.keepass.app.database.FileDatabaseHistoryAction
 import com.kunzisoft.keepass.autofill.AutofillComponent
 import com.kunzisoft.keepass.autofill.AutofillHelper
-import com.kunzisoft.keepass.database.action.ProgressDatabaseTaskProvider
 import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.education.FileDatabaseSelectActivityEducation
 import com.kunzisoft.keepass.model.MainCredential
@@ -60,12 +60,13 @@ import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.
 import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_LOAD_TASK
 import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.DATABASE_URI_KEY
 import com.kunzisoft.keepass.settings.PreferencesUtil
+import com.kunzisoft.keepass.tasks.ActionRunnable
 import com.kunzisoft.keepass.utils.*
 import com.kunzisoft.keepass.view.asError
 import com.kunzisoft.keepass.viewmodels.DatabaseFilesViewModel
 import java.io.FileNotFoundException
 
-class FileDatabaseSelectActivity : SpecialModeActivity(),
+class FileDatabaseSelectActivity : DatabaseModeActivity(),
         AssignMasterKeyDialogFragment.AssignPasswordDialogListener {
 
     // Views
@@ -82,9 +83,7 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
 
     private var mDatabaseFileUri: Uri? = null
 
-    private var mSelectFileHelper: SelectFileHelper? = null
+    private var mExternalFileHelper: ExternalFileHelper? = null
-
-    private var mProgressDatabaseTaskProvider: ProgressDatabaseTaskProvider? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -103,14 +102,9 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
         createDatabaseButtonView?.setOnClickListener { createNewFile() }
 
         // Open database button
-        mSelectFileHelper = SelectFileHelper(this)
+        mExternalFileHelper = ExternalFileHelper(this)
         openDatabaseButtonView = findViewById(R.id.open_keyfile_button)
-        openDatabaseButtonView?.apply {
+        openDatabaseButtonView?.setOpenDocumentClickListener(mExternalFileHelper)
-            mSelectFileHelper?.selectFileOnClickViewListener?.let {
-                setOnClickListener(it)
-                setOnLongClickListener(it)
-            }
-        }
 
         // History list
         val fileDatabaseHistoryRecyclerView = findViewById<RecyclerView>(R.id.file_list)
@@ -132,6 +126,12 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
         }
         mAdapterDatabaseHistory?.setOnFileDatabaseHistoryDeleteListener { fileDatabaseHistoryToDelete ->
             // Remove from app database
+            fileDatabaseHistoryToDelete.databaseUri?.let { databaseUri ->
+                UriUtil.releaseUriPermission(
+                    contentResolver,
+                    databaseUri
+                )
+            }
             databaseFilesViewModel.deleteDatabaseFile(fileDatabaseHistoryToDelete)
             true
         }
@@ -162,29 +162,31 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
 
         // Observe list of databases
         databaseFilesViewModel.databaseFilesLoaded.observe(this) { databaseFiles ->
-            when (databaseFiles.databaseFileAction) {
+            try {
-                DatabaseFilesViewModel.DatabaseFileAction.NONE -> {
+                when (databaseFiles.databaseFileAction) {
-                    mAdapterDatabaseHistory?.replaceAllDatabaseFileHistoryList(databaseFiles.databaseFileList)
+                    DatabaseFilesViewModel.DatabaseFileAction.NONE -> {
-                }
+                        mAdapterDatabaseHistory?.replaceAllDatabaseFileHistoryList(databaseFiles.databaseFileList)
-                DatabaseFilesViewModel.DatabaseFileAction.ADD -> {
-                    databaseFiles.databaseFileToActivate?.let { databaseFileToAdd ->
-                        mAdapterDatabaseHistory?.addDatabaseFileHistory(databaseFileToAdd)
                     }
-                    GroupActivity.launch(this@FileDatabaseSelectActivity,
+                    DatabaseFilesViewModel.DatabaseFileAction.ADD -> {
-                            PreferencesUtil.enableReadOnlyDatabase(this@FileDatabaseSelectActivity))
+                        databaseFiles.databaseFileToActivate?.let { databaseFileToAdd ->
-                }
+                            mAdapterDatabaseHistory?.addDatabaseFileHistory(databaseFileToAdd)
-                DatabaseFilesViewModel.DatabaseFileAction.UPDATE -> {
+                        }
-                    databaseFiles.databaseFileToActivate?.let { databaseFileToUpdate ->
+                    }
-                        mAdapterDatabaseHistory?.updateDatabaseFileHistory(databaseFileToUpdate)
+                    DatabaseFilesViewModel.DatabaseFileAction.UPDATE -> {
-                    }
+                        databaseFiles.databaseFileToActivate?.let { databaseFileToUpdate ->
-                }
+                            mAdapterDatabaseHistory?.updateDatabaseFileHistory(databaseFileToUpdate)
-                DatabaseFilesViewModel.DatabaseFileAction.DELETE -> {
+                        }
-                    databaseFiles.databaseFileToActivate?.let { databaseFileToDelete ->
+                    }
-                        mAdapterDatabaseHistory?.deleteDatabaseFileHistory(databaseFileToDelete)
+                    DatabaseFilesViewModel.DatabaseFileAction.DELETE -> {
+                        databaseFiles.databaseFileToActivate?.let { databaseFileToDelete ->
+                            mAdapterDatabaseHistory?.deleteDatabaseFileHistory(databaseFileToDelete)
+                        }
                     }
                 }
+                databaseFilesViewModel.consumeAction()
+            } catch (e: Exception) {
+                Log.e(TAG, "Unable to observe database action", e)
             }
-            databaseFilesViewModel.consumeAction()
         }
 
         // Observe default database
@@ -192,37 +194,62 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
             // Retrieve settings for default database
             mAdapterDatabaseHistory?.setDefaultDatabase(it)
         }
+    }
 
-        // Attach the dialog thread to this activity
+    override fun onDatabaseRetrieved(database: Database?) {
-        mProgressDatabaseTaskProvider = ProgressDatabaseTaskProvider(this).apply {
+        super.onDatabaseRetrieved(database)
-            onActionFinish = { actionTask, result ->
+        if (database != null) {
-                when (actionTask) {
+            launchGroupActivityIfLoaded(database)
-                    ACTION_DATABASE_CREATE_TASK -> {
+        }
-                        result.data?.getParcelable<Uri?>(DATABASE_URI_KEY)?.let { databaseUri ->
+    }
-                            val mainCredential = result.data?.getParcelable(DatabaseTaskNotificationService.MAIN_CREDENTIAL_KEY) ?: MainCredential()
+
-                            databaseFilesViewModel.addDatabaseFile(databaseUri, mainCredential.keyFileUri)
+    override fun onDatabaseActionFinished(
-                        }
+        database: Database,
-                    }
+        actionTask: String,
-                    ACTION_DATABASE_LOAD_TASK -> {
+        result: ActionRunnable.Result
-                        val database = Database.getInstance()
+    ) {
-                        if (result.isSuccess
+        super.onDatabaseActionFinished(database, actionTask, result)
-                                && database.loaded) {
+
-                            launchGroupActivity(database)
+        if (result.isSuccess) {
-                        } else {
+            // Update list
-                            var resultError = ""
+            when (actionTask) {
-                            val resultMessage = result.message
+                ACTION_DATABASE_CREATE_TASK,
-                            // Show error message
+                ACTION_DATABASE_LOAD_TASK -> {
-                            if (resultMessage != null && resultMessage.isNotEmpty()) {
+                    result.data?.getParcelable<Uri?>(DATABASE_URI_KEY)?.let { databaseUri ->
-                                resultError = "$resultError $resultMessage"
+                        val mainCredential =
-                            }
+                            result.data?.getParcelable(DatabaseTaskNotificationService.MAIN_CREDENTIAL_KEY)
-                            Log.e(TAG, resultError)
+                                ?: MainCredential()
-                            Snackbar.make(coordinatorLayout,
+                        databaseFilesViewModel.addDatabaseFile(
-                                    resultError,
+                            databaseUri,
-                                    Snackbar.LENGTH_LONG).asError().show()
+                            mainCredential.keyFileUri
-                        }
+                        )
                     }
                 }
             }
+            // Launch activity
+            when (actionTask) {
+                ACTION_DATABASE_CREATE_TASK -> {
+                    GroupActivity.launch(
+                        this@FileDatabaseSelectActivity,
+                        database,
+                        PreferencesUtil.enableReadOnlyDatabase(this@FileDatabaseSelectActivity)
+                    )
+                }
+                ACTION_DATABASE_LOAD_TASK -> {
+                    launchGroupActivityIfLoaded(database)
+                }
+            }
+        } else {
+            var resultError = ""
+            val resultMessage = result.message
+            // Show error message
+            if (resultMessage != null && resultMessage.isNotEmpty()) {
+                resultError = "$resultError $resultMessage"
+            }
+            Log.e(TAG, resultError)
+            Snackbar.make(coordinatorLayout,
+                resultError,
+                Snackbar.LENGTH_LONG).asError().show()
         }
     }
 
@@ -230,7 +257,7 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
      * Create a new file by calling the content provider
      */
     private fun createNewFile() {
-        createDocument(this, getString(R.string.database_file_name_default) +
+        mExternalFileHelper?.createDocument( getString(R.string.database_file_name_default) +
                 getString(R.string.database_file_extension_default), "application/x-keepass")
     }
 
@@ -251,12 +278,14 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
                 { onLaunchActivitySpecialMode() })
     }
 
-    private fun launchGroupActivity(database: Database) {
+    private fun launchGroupActivityIfLoaded(database: Database) {
-        GroupActivity.launch(this,
+        if (database.loaded) {
-                database.isReadOnly,
+            GroupActivity.launch(this,
+                database,
                 { onValidateSpecialMode() },
                 { onCancelSpecialMode() },
                 { onLaunchActivitySpecialMode() })
+        }
     }
 
     override fun onValidateSpecialMode() {
@@ -282,7 +311,7 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
         // Show open and create button or special mode
         when (mSpecialMode) {
             SpecialMode.DEFAULT -> {
-                if (allowCreateDocumentByStorageAccessFramework(packageManager)) {
+                if (ExternalFileHelper.allowCreateDocumentByStorageAccessFramework(packageManager)) {
                     // There is an activity which can handle this intent.
                     createDatabaseButtonView?.visibility = View.VISIBLE
                 } else{
@@ -296,28 +325,16 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
             }
         }
 
-        val database = Database.getInstance()
+        mDatabase?.let { database ->
-        if (database.loaded) {
+            launchGroupActivityIfLoaded(database)
-            launchGroupActivity(database)
-        } else {
-            // Construct adapter with listeners
-            if (PreferencesUtil.showRecentFiles(this)) {
-                databaseFilesViewModel.loadListOfDatabases()
-            } else {
-                mAdapterDatabaseHistory?.clearDatabaseFileHistoryList()
-                mAdapterDatabaseHistory?.notifyDataSetChanged()
-            }
-
-            // Register progress task
-            mProgressDatabaseTaskProvider?.registerProgressTask()
         }
-    }
 
-    override fun onPause() {
+        // Show recent files if allowed
-        // Unregister progress task
+        if (PreferencesUtil.showRecentFiles(this@FileDatabaseSelectActivity)) {
-        mProgressDatabaseTaskProvider?.unregisterProgressTask()
+            databaseFilesViewModel.loadListOfDatabases()
-
+        } else {
-        super.onPause()
+            mAdapterDatabaseHistory?.clearDatabaseFileHistoryList()
+        }
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
@@ -329,15 +346,10 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
     }
 
     override fun onAssignKeyDialogPositiveClick(mainCredential: MainCredential) {
-
         try {
             mDatabaseFileUri?.let { databaseUri ->
-
                 // Create the new database
-                mProgressDatabaseTaskProvider?.startDatabaseCreate(
+                createDatabase(databaseUri, mainCredential)
-                        databaseUri,
-                        mainCredential
-                )
             }
         } catch (e: Exception) {
             val error = getString(R.string.error_create_database_file)
@@ -355,14 +367,14 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
             AutofillHelper.onActivityResultSetResultAndFinish(this, requestCode, resultCode, data)
         }
 
-        mSelectFileHelper?.onActivityResultCallback(requestCode, resultCode, data) { uri ->
+        mExternalFileHelper?.onOpenDocumentResult(requestCode, resultCode, data) { uri ->
             if (uri != null) {
                 launchPasswordActivityWithPath(uri)
             }
         }
 
         // Retrieve the created URI from the file manager
-        onCreateDocumentResult(requestCode, resultCode, data) { databaseFileCreatedUri ->
+        mExternalFileHelper?.onCreateDocumentResult(requestCode, resultCode, data) { databaseFileCreatedUri ->
             mDatabaseFileUri = databaseFileCreatedUri
             if (mDatabaseFileUri != null) {
                 AssignMasterKeyDialogFragment.getInstance(true)
@@ -408,9 +420,9 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
             openDatabaseButtonView != null
                     && fileDatabaseSelectActivityEducation.checkAndPerformedSelectDatabaseEducation(
                     openDatabaseButtonView!!,
-                    {tapTargetView ->
+                    { tapTargetView ->
                         tapTargetView?.let {
-                            mSelectFileHelper?.selectFileOnClickViewListener?.onClick(it)
+                            mExternalFileHelper?.openDocument()
                         }
                     },
                     {}

app/src/main/java/com/kunzisoft/keepass/activities/IconPickerActivity.kt

@@ -34,9 +34,9 @@ import androidx.fragment.app.commit
 import com.google.android.material.snackbar.Snackbar
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.fragments.IconPickerFragment
-import com.kunzisoft.keepass.activities.helpers.SelectFileHelper
+import com.kunzisoft.keepass.activities.helpers.ExternalFileHelper
-import com.kunzisoft.keepass.activities.lock.LockingActivity
+import com.kunzisoft.keepass.activities.helpers.setOpenDocumentClickListener
-import com.kunzisoft.keepass.activities.lock.resetAppTimeoutWhenViewFocusedOrChanged
+import com.kunzisoft.keepass.activities.legacy.DatabaseLockActivity
 import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.element.icon.IconImage
 import com.kunzisoft.keepass.database.element.icon.IconImageCustom
@@ -49,7 +49,7 @@ import com.kunzisoft.keepass.viewmodels.IconPickerViewModel
 import kotlinx.coroutines.*
 
 
-class IconPickerActivity : LockingActivity() {
+class IconPickerActivity : DatabaseLockActivity() {
 
     private lateinit var toolbar: Toolbar
     private lateinit var coordinatorLayout: CoordinatorLayout
@@ -64,17 +64,13 @@ class IconPickerActivity : LockingActivity() {
     private var mCustomIconsSelectionMode = false
     private var mIconsSelected: List<IconImageCustom> = ArrayList()
 
-    private var mDatabase: Database? = null
+    private var mExternalFileHelper: ExternalFileHelper? = null
-
-    private var mSelectFileHelper: SelectFileHelper? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
         setContentView(R.layout.activity_icon_picker)
 
-        mDatabase = Database.getInstance()
-
         toolbar = findViewById(R.id.toolbar)
         toolbar.title = " "
         setSupportActionBar(toolbar)
@@ -84,18 +80,9 @@ class IconPickerActivity : LockingActivity() {
 
         coordinatorLayout = findViewById(R.id.icon_picker_coordinator)
 
+        mExternalFileHelper = ExternalFileHelper(this)
+
         uploadButton = findViewById(R.id.icon_picker_upload)
-        if (mDatabase?.allowCustomIcons == true) {
-            uploadButton.setOnClickListener {
-                mSelectFileHelper?.selectFileOnClickViewListener?.onClick(it)
-            }
-            uploadButton.setOnLongClickListener {
-                mSelectFileHelper?.selectFileOnClickViewListener?.onLongClick(it)
-                true
-            }
-        } else {
-            uploadButton.visibility = View.GONE
-        }
 
         lockView = findViewById(R.id.lock_button)
         lockView?.setOnClickListener {
@@ -121,11 +108,6 @@ class IconPickerActivity : LockingActivity() {
             mIconImage = savedInstanceState.getParcelable(EXTRA_ICON) ?: mIconImage
         }
 
-        // Focus view to reinitialize timeout
-        findViewById<ViewGroup>(R.id.icon_picker_container)?.resetAppTimeoutWhenViewFocusedOrChanged(this)
-
-        mSelectFileHelper = SelectFileHelper(this)
-
         iconPickerViewModel.standardIconPicked.observe(this) { iconStandard ->
             mIconImage.standard = iconStandard
             // Remove the custom icon if a standard one is selected
@@ -159,6 +141,24 @@ class IconPickerActivity : LockingActivity() {
         }
     }
 
+    override fun viewToInvalidateTimeout(): View? {
+        return findViewById<ViewGroup>(R.id.icon_picker_container)
+    }
+
+    override fun finishActivityIfReloadRequested(): Boolean {
+        return true
+    }
+
+    override fun onDatabaseRetrieved(database: Database?) {
+        super.onDatabaseRetrieved(database)
+
+        if (database?.allowCustomIcons == true) {
+            uploadButton.setOpenDocumentClickListener(mExternalFileHelper)
+        } else {
+            uploadButton.visibility = View.GONE
+        }
+    }
+
     private fun updateIconsSelectedViews() {
         if (mIconsSelected.isEmpty()) {
             mCustomIconsSelectionMode = false
@@ -192,13 +192,18 @@ class IconPickerActivity : LockingActivity() {
 
     override fun onCreateOptionsMenu(menu: Menu?): Boolean {
         super.onCreateOptionsMenu(menu)
-
+        menuInflater.inflate(R.menu.icon, menu)
-        if (mCustomIconsSelectionMode) {
-            menuInflater.inflate(R.menu.icon, menu)
-        }
         return true
     }
 
+    override fun onPrepareOptionsMenu(menu: Menu?): Boolean {
+        menu?.findItem(R.id.menu_delete)?.apply {
+            isEnabled = mCustomIconsSelectionMode
+            isVisible = isEnabled
+        }
+        return super.onPrepareOptionsMenu(menu)
+    }
+
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
             android.R.id.home -> {
@@ -213,6 +218,9 @@ class IconPickerActivity : LockingActivity() {
                     removeCustomIcon(iconToRemove)
                 }
             }
+            R.id.menu_external_icon -> {
+                UriUtil.gotoUrl(this, R.string.external_icon_url)
+            }
         }
 
         return super.onOptionsItemSelected(item)
@@ -281,7 +289,7 @@ class IconPickerActivity : LockingActivity() {
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
 
-        mSelectFileHelper?.onActivityResultCallback(requestCode, resultCode, data) { uri ->
+        mExternalFileHelper?.onOpenDocumentResult(requestCode, resultCode, data) { uri ->
             addCustomIcon(uri)
         }
     }

app/src/main/java/com/kunzisoft/keepass/activities/ImageViewerActivity.kt

@@ -19,6 +19,7 @@
  */
 package com.kunzisoft.keepass.activities
 
+import android.annotation.SuppressLint
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
@@ -31,16 +32,19 @@ import android.widget.ImageView
 import androidx.appcompat.widget.Toolbar
 import com.igreenwood.loupe.Loupe
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.activities.lock.LockingActivity
+import com.kunzisoft.keepass.activities.legacy.DatabaseLockActivity
 import com.kunzisoft.keepass.database.element.Attachment
 import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.tasks.BinaryDatabaseManager
 import kotlin.math.max
 
-class ImageViewerActivity : LockingActivity() {
+class ImageViewerActivity : DatabaseLockActivity() {
 
-    private var mDatabase: Database? = null
+    private var imageContainerView: ViewGroup? = null
+    private lateinit var imageView: ImageView
+    private lateinit var progressView: View
 
+    @SuppressLint("ClickableViewAccessibility")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
@@ -50,49 +54,21 @@ class ImageViewerActivity : LockingActivity() {
         setSupportActionBar(toolbar)
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
         supportActionBar?.setDisplayShowHomeEnabled(true)
-
+        toolbar.setOnTouchListener { _, _ ->
-        val imageContainerView: ViewGroup = findViewById(R.id.image_viewer_container)
+            resetAppTimeout()
-        val imageView: ImageView = findViewById(R.id.image_viewer_image)
+            false
-        val progressView: View = findViewById(R.id.image_viewer_progress)
-
-        // Approximately, to not OOM and allow a zoom
-        val mImagePreviewMaxWidth = max(
-                resources.displayMetrics.widthPixels * 2,
-                resources.displayMetrics.heightPixels * 2
-        )
-
-        mDatabase = Database.getInstance()
-
-        try {
-            progressView.visibility = View.VISIBLE
-            intent.getParcelableExtra<Attachment>(IMAGE_ATTACHMENT_TAG)?.let { attachment ->
-
-                supportActionBar?.title = attachment.name
-
-                val size = attachment.binaryData.getSize()
-                supportActionBar?.subtitle = Formatter.formatFileSize(this, size)
-
-                mDatabase?.let { database ->
-                    BinaryDatabaseManager.loadBitmap(
-                            database,
-                            attachment.binaryData,
-                            mImagePreviewMaxWidth
-                    ) { bitmapLoaded ->
-                        if (bitmapLoaded == null) {
-                            finish()
-                        } else {
-                            progressView.visibility = View.GONE
-                            imageView.setImageBitmap(bitmapLoaded)
-                        }
-                    }
-                }
-            } ?: finish()
-        } catch (e: Exception) {
-            Log.e(TAG, "Unable to view the binary", e)
-            finish()
         }
 
-        Loupe.create(imageView, imageContainerView) {
+        imageContainerView = findViewById(R.id.image_viewer_container)
+        imageView = findViewById(R.id.image_viewer_image)
+        progressView = findViewById(R.id.image_viewer_progress)
+
+        Loupe.create(imageView, imageContainerView!!) {
+            onViewTouchedListener = View.OnTouchListener { _, _ ->
+                // to reset timeout when Loupe image view touched
+                resetAppTimeout()
+                false
+            }
             onViewTranslateListener = object : Loupe.OnViewTranslateListener {
 
                 override fun onStart(view: ImageView) {
@@ -115,6 +91,54 @@ class ImageViewerActivity : LockingActivity() {
         }
     }
 
+    override fun viewToInvalidateTimeout(): View? {
+        // Null to manually manage events
+        return null
+    }
+
+    override fun finishActivityIfReloadRequested(): Boolean {
+        return true
+    }
+
+    override fun onDatabaseRetrieved(database: Database?) {
+        super.onDatabaseRetrieved(database)
+
+        try {
+            progressView.visibility = View.VISIBLE
+            intent.getParcelableExtra<Attachment>(IMAGE_ATTACHMENT_TAG)?.let { attachment ->
+
+                supportActionBar?.title = attachment.name
+
+                val size = attachment.binaryData.getSize()
+                supportActionBar?.subtitle = Formatter.formatFileSize(this, size)
+
+                // Approximately, to not OOM and allow a zoom
+                val mImagePreviewMaxWidth = max(
+                    resources.displayMetrics.widthPixels * 2,
+                    resources.displayMetrics.heightPixels * 2
+                )
+
+                database?.let { database ->
+                    BinaryDatabaseManager.loadBitmap(
+                        database,
+                        attachment.binaryData,
+                        mImagePreviewMaxWidth
+                    ) { bitmapLoaded ->
+                        if (bitmapLoaded == null) {
+                            finish()
+                        } else {
+                            progressView.visibility = View.GONE
+                            imageView.setImageBitmap(bitmapLoaded)
+                        }
+                    }
+                }
+            } ?: finish()
+        } catch (e: Exception) {
+            Log.e(TAG, "Unable to view the binary", e)
+            finish()
+        }
+    }
+
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
             android.R.id.home -> finish()

app/src/main/java/com/kunzisoft/keepass/activities/MagikeyboardLauncherActivity.kt

@@ -19,36 +19,41 @@
  */
 package com.kunzisoft.keepass.activities
 
-import android.os.Bundle
+import com.kunzisoft.keepass.activities.legacy.DatabaseModeActivity
-import androidx.appcompat.app.AppCompatActivity
 import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.search.SearchHelper
 
 /**
  * Activity to select entry in database and populate it in Magikeyboard
  */
-class MagikeyboardLauncherActivity : AppCompatActivity() {
+class MagikeyboardLauncherActivity : DatabaseModeActivity() {
 
-    override fun onCreate(savedInstanceState: Bundle?) {
+    override fun applyCustomStyle(): Boolean {
-        val database = Database.getInstance()
+        return false
-        val readOnly = database.isReadOnly
+    }
+
+    override fun finishActivityIfReloadRequested(): Boolean {
+        return true
+    }
+
+    override fun onDatabaseRetrieved(database: Database?) {
+        super.onDatabaseRetrieved(database)
         SearchHelper.checkAutoSearchInfo(this,
-                database,
+            database,
-                null,
+            null,
-                {
+            { _, _ ->
-                    // Not called
+                // Not called
-                    // if items found directly returns before calling this activity
+                // if items found directly returns before calling this activity
-                },
+            },
-                {
+            { openedDatabase ->
-                    // Select if not found
+                // Select if not found
-                    GroupActivity.launchForKeyboardSelectionResult(this, readOnly)
+                GroupActivity.launchForKeyboardSelectionResult(this, openedDatabase)
-                },
+            },
-                {
+            {
-                    // Pass extra to get entry
+                // Pass extra to get entry
-                    FileDatabaseSelectActivity.launchForKeyboardSelectionResult(this)
+                FileDatabaseSelectActivity.launchForKeyboardSelectionResult(this)
-                }
+            }
         )
         finish()
-        super.onCreate(savedInstanceState)
     }
 }

app/src/main/java/com/kunzisoft/keepass/activities/PasswordActivity.kt

@@ -31,8 +31,11 @@ import android.text.Editable
 import android.text.TextWatcher
 import android.util.Log
 import android.view.*
+import android.view.KeyEvent.KEYCODE_ENTER
 import android.view.inputmethod.EditorInfo.IME_ACTION_DONE
+import android.view.inputmethod.InputMethodManager
 import android.widget.*
+import android.widget.TextView.OnEditorActionListener
 import androidx.activity.viewModels
 import androidx.annotation.RequiresApi
 import androidx.appcompat.widget.Toolbar
@@ -42,17 +45,13 @@ import androidx.fragment.app.commit
 import com.google.android.material.snackbar.Snackbar
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.dialogs.DuplicateUuidDialog
-import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
+import com.kunzisoft.keepass.activities.helpers.*
-import com.kunzisoft.keepass.activities.helpers.ReadOnlyHelper
+import com.kunzisoft.keepass.activities.legacy.DatabaseLockActivity
-import com.kunzisoft.keepass.activities.helpers.SelectFileHelper
+import com.kunzisoft.keepass.activities.legacy.DatabaseModeActivity
-import com.kunzisoft.keepass.activities.helpers.SpecialMode
-import com.kunzisoft.keepass.activities.lock.LockingActivity
-import com.kunzisoft.keepass.activities.selection.SpecialModeActivity
 import com.kunzisoft.keepass.app.database.CipherDatabaseEntity
 import com.kunzisoft.keepass.autofill.AutofillComponent
 import com.kunzisoft.keepass.autofill.AutofillHelper
 import com.kunzisoft.keepass.biometric.AdvancedUnlockFragment
-import com.kunzisoft.keepass.database.action.ProgressDatabaseTaskProvider
 import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.exception.DuplicateUuidDatabaseException
 import com.kunzisoft.keepass.database.exception.FileNotFoundDatabaseException
@@ -66,6 +65,7 @@ import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.
 import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.MAIN_CREDENTIAL_KEY
 import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.READ_ONLY_KEY
 import com.kunzisoft.keepass.settings.PreferencesUtil
+import com.kunzisoft.keepass.tasks.ActionRunnable
 import com.kunzisoft.keepass.utils.BACK_PREVIOUS_KEYBOARD_ACTION
 import com.kunzisoft.keepass.utils.MenuUtil
 import com.kunzisoft.keepass.utils.UriUtil
@@ -74,7 +74,8 @@ import com.kunzisoft.keepass.view.asError
 import com.kunzisoft.keepass.viewmodels.DatabaseFileViewModel
 import java.io.FileNotFoundException
 
-open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.BuilderListener {
+
+open class PasswordActivity : DatabaseModeActivity(), AdvancedUnlockFragment.BuilderListener {
 
     // Views
     private var toolbar: Toolbar? = null
@@ -95,14 +96,14 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
     private var mDatabaseKeyFileUri: Uri? = null
 
     private var mRememberKeyFile: Boolean = false
-    private var mSelectFileHelper: SelectFileHelper? = null
+    private var mExternalFileHelper: ExternalFileHelper? = null
 
     private var mPermissionAsked = false
-    private var readOnly: Boolean = false
+    private var mReadOnly: Boolean = false
     private var mForceReadOnly: Boolean = false
         set(value) {
             infoContainerView?.visibility = if (value) {
-                readOnly = true
+                mReadOnly = true
                 View.VISIBLE
             } else {
                 View.GONE
@@ -110,8 +111,6 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
             field = value
         }
 
-    private var mProgressDatabaseTaskProvider: ProgressDatabaseTaskProvider? = null
-
     private var mAllowAutoOpenBiometricPrompt: Boolean = true
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -135,16 +134,15 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
         coordinatorLayout = findViewById(R.id.activity_password_coordinator_layout)
 
         mPermissionAsked = savedInstanceState?.getBoolean(KEY_PERMISSION_ASKED) ?: mPermissionAsked
-        readOnly = ReadOnlyHelper.retrieveReadOnlyFromInstanceStateOrPreference(this, savedInstanceState)
+        mReadOnly = if (savedInstanceState != null && savedInstanceState.containsKey(KEY_READ_ONLY)) {
+            savedInstanceState.getBoolean(KEY_READ_ONLY)
+        } else {
+            PreferencesUtil.enableReadOnlyDatabase(this)
+        }
         mRememberKeyFile = PreferencesUtil.rememberKeyFileLocations(this)
 
-        mSelectFileHelper = SelectFileHelper(this@PasswordActivity)
+        mExternalFileHelper = ExternalFileHelper(this@PasswordActivity)
-        keyFileSelectionView?.apply {
+        keyFileSelectionView?.setOpenDocumentClickListener(mExternalFileHelper)
-            mSelectFileHelper?.selectFileOnClickViewListener?.let {
-                setOnClickListener(it)
-                setOnLongClickListener(it)
-            }
-        }
 
         passwordView?.setOnEditorActionListener(onEditorActionListener)
         passwordView?.addTextChangedListener(object : TextWatcher {
@@ -157,6 +155,15 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
                     checkboxPasswordView?.isChecked = true
             }
         })
+        passwordView?.setOnKeyListener { _, _, keyEvent ->
+            var handled = false
+            if (keyEvent.action == KeyEvent.ACTION_DOWN
+                && keyEvent?.keyCode == KEYCODE_ENTER) {
+                verifyCheckboxesAndLoadDatabase()
+                handled = true
+            }
+            handled
+        }
 
         // If is a view intent
         getUriFromIntent(intent)
@@ -212,72 +219,114 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
 
             onDatabaseFileLoaded(databaseFile?.databaseUri, keyFileUri)
         }
+    }
 
-        mProgressDatabaseTaskProvider = ProgressDatabaseTaskProvider(this).apply {
+    override fun onResume() {
-            onActionFinish = { actionTask, result ->
+        super.onResume()
-                when (actionTask) {
-                    ACTION_DATABASE_LOAD_TASK -> {
-                        // Recheck advanced unlock if error
-                        advancedUnlockFragment?.initAdvancedUnlockMode()
 
-                        if (result.isSuccess) {
+        mRememberKeyFile = PreferencesUtil.rememberKeyFileLocations(this@PasswordActivity)
-                            mDatabaseKeyFileUri = null
-                            clearCredentialsViews(true)
-                            launchGroupActivity()
-                        } else {
-                            var resultError = ""
-                            val resultException = result.exception
-                            val resultMessage = result.message
 
-                            if (resultException != null) {
+        // Back to previous keyboard is setting activated
-                                resultError = resultException.getLocalizedMessage(resources)
+        if (PreferencesUtil.isKeyboardPreviousDatabaseCredentialsEnable(this@PasswordActivity)) {
+            sendBroadcast(Intent(BACK_PREVIOUS_KEYBOARD_ACTION))
+        }
 
-                                when (resultException) {
+        // Don't allow auto open prompt if lock become when UI visible
-                                    is DuplicateUuidDatabaseException -> {
+        mAllowAutoOpenBiometricPrompt = if (DatabaseLockActivity.LOCKING_ACTIVITY_UI_VISIBLE_DURING_LOCK == true)
-                                        // Relaunch loading if we need to fix UUID
+            false
-                                        showLoadDatabaseDuplicateUuidMessage {
+        else
+            mAllowAutoOpenBiometricPrompt
+        mDatabaseFileUri?.let { databaseFileUri ->
+            databaseFileViewModel.loadDatabaseFile(databaseFileUri)
+        }
 
-                                            var databaseUri: Uri? = null
+        checkPermission()
-                                            var mainCredential: MainCredential = MainCredential()
-                                            var readOnly = true
-                                            var cipherEntity: CipherDatabaseEntity? = null
 
-                                            result.data?.let { resultData ->
+        mDatabase?.let { database ->
-                                                databaseUri = resultData.getParcelable(DATABASE_URI_KEY)
+            launchGroupActivityIfLoaded(database)
-                                                mainCredential = resultData.getParcelable(MAIN_CREDENTIAL_KEY) ?: mainCredential
+        }
-                                                readOnly = resultData.getBoolean(READ_ONLY_KEY)
+    }
-                                                cipherEntity = resultData.getParcelable(CIPHER_ENTITY_KEY)
-                                            }
 
-                                            databaseUri?.let { databaseFileUri ->
+    override fun onDatabaseRetrieved(database: Database?) {
-                                                showProgressDialogAndLoadDatabase(
+        super.onDatabaseRetrieved(database)
-                                                        databaseFileUri,
+        if (database != null) {
-                                                        mainCredential,
+            launchGroupActivityIfLoaded(database)
-                                                        readOnly,
+        }
-                                                        cipherEntity,
+    }
-                                                        true)
+
-                                            }
+    override fun onDatabaseActionFinished(
-                                        }
+        database: Database,
+        actionTask: String,
+        result: ActionRunnable.Result
+    ) {
+        super.onDatabaseActionFinished(database, actionTask, result)
+        when (actionTask) {
+            ACTION_DATABASE_LOAD_TASK -> {
+                // Recheck advanced unlock if error
+                advancedUnlockFragment?.initAdvancedUnlockMode()
+
+                if (result.isSuccess) {
+                    launchGroupActivityIfLoaded(database)
+                } else {
+                    passwordView?.requestFocusFromTouch()
+
+                    var resultError = ""
+                    val resultException = result.exception
+                    val resultMessage = result.message
+
+                    if (resultException != null) {
+                        resultError = resultException.getLocalizedMessage(resources)
+
+                        when (resultException) {
+                            is DuplicateUuidDatabaseException -> {
+                                // Relaunch loading if we need to fix UUID
+                                showLoadDatabaseDuplicateUuidMessage {
+
+                                    var databaseUri: Uri? = null
+                                    var mainCredential = MainCredential()
+                                    var readOnly = true
+                                    var cipherEntity: CipherDatabaseEntity? = null
+
+                                    result.data?.let { resultData ->
+                                        databaseUri = resultData.getParcelable(DATABASE_URI_KEY)
+                                        mainCredential =
+                                            resultData.getParcelable(MAIN_CREDENTIAL_KEY)
+                                                ?: mainCredential
+                                        readOnly = resultData.getBoolean(READ_ONLY_KEY)
+                                        cipherEntity =
+                                            resultData.getParcelable(CIPHER_ENTITY_KEY)
                                     }
-                                    is FileNotFoundDatabaseException -> {
+
-                                        // Remove this default database inaccessible
+                                    databaseUri?.let { databaseFileUri ->
-                                        if (mDefaultDatabase) {
+                                        showProgressDialogAndLoadDatabase(
-                                            databaseFileViewModel.removeDefaultDatabase()
+                                            databaseFileUri,
-                                        }
+                                            mainCredential,
+                                            readOnly,
+                                            cipherEntity,
+                                            true
+                                        )
                                     }
                                 }
                             }
-
+                            is FileNotFoundDatabaseException -> {
-                            // Show error message
+                                // Remove this default database inaccessible
-                            if (resultMessage != null && resultMessage.isNotEmpty()) {
+                                if (mDefaultDatabase) {
-                                resultError = "$resultError $resultMessage"
+                                    databaseFileViewModel.removeDefaultDatabase()
+                                }
                             }
-                            Log.e(TAG, resultError)
-                            Snackbar.make(coordinatorLayout,
-                                    resultError,
-                                    Snackbar.LENGTH_LONG).asError().show()
                         }
                     }
+
+                    // Show error message
+                    if (resultMessage != null && resultMessage.isNotEmpty()) {
+                        resultError = "$resultError $resultMessage"
+                    }
+                    Log.e(TAG, resultError)
+                    Snackbar.make(
+                        coordinatorLayout,
+                        resultError,
+                        Snackbar.LENGTH_LONG
+                    ).asError().show()
                 }
             }
         }
@@ -304,13 +353,17 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
         getUriFromIntent(intent)
     }
 
-    private fun launchGroupActivity() {
+    private fun launchGroupActivityIfLoaded(database: Database) {
-        GroupActivity.launch(this,
+        // Check if database really loaded
-                readOnly,
+        if (database.loaded) {
+            clearCredentialsViews(true)
+            GroupActivity.launch(this,
+                database,
                 { onValidateSpecialMode() },
                 { onCancelSpecialMode() },
                 { onLaunchActivitySpecialMode() }
-        )
+            )
+        }
     }
 
     override fun onValidateSpecialMode() {
@@ -360,40 +413,6 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
         }
     }
 
-    override fun onResume() {
-        super.onResume()
-
-        if (Database.getInstance().loaded) {
-            launchGroupActivity()
-        } else {
-            mRememberKeyFile = PreferencesUtil.rememberKeyFileLocations(this)
-
-            // If the database isn't accessible make sure to clear the password field, if it
-            // was saved in the instance state
-            if (Database.getInstance().loaded) {
-                clearCredentialsViews()
-            }
-
-            mProgressDatabaseTaskProvider?.registerProgressTask()
-
-            // Back to previous keyboard is setting activated
-            if (PreferencesUtil.isKeyboardPreviousDatabaseCredentialsEnable(this)) {
-                sendBroadcast(Intent(BACK_PREVIOUS_KEYBOARD_ACTION))
-            }
-
-            // Don't allow auto open prompt if lock become when UI visible
-            mAllowAutoOpenBiometricPrompt = if (LockingActivity.LOCKING_ACTIVITY_UI_VISIBLE_DURING_LOCK == true)
-                false
-            else
-                mAllowAutoOpenBiometricPrompt
-            mDatabaseFileUri?.let { databaseFileUri ->
-                databaseFileViewModel.loadDatabaseFile(databaseFileUri)
-            }
-
-            checkPermission()
-        }
-    }
-
     private fun onDatabaseFileLoaded(databaseFileUri: Uri?, keyFileUri: Uri?) {
         // Define Key File text
         if (mRememberKeyFile) {
@@ -417,11 +436,17 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
         } else {
             // Init Biometric elements
             advancedUnlockFragment?.loadDatabase(databaseFileUri,
-                    mAllowAutoOpenBiometricPrompt
+                    mAllowAutoOpenBiometricPrompt)
-                                        && mProgressDatabaseTaskProvider?.isBinded() != true)
         }
 
         enableOrNotTheConfirmationButton()
+
+        // Auto select the password field and open keyboard
+        passwordView?.postDelayed({
+            passwordView?.requestFocusFromTouch()
+            val inputMethodManager = getSystemService(INPUT_METHOD_SERVICE) as? InputMethodManager?
+            inputMethodManager?.showSoftInput(passwordView, InputMethodManager.SHOW_IMPLICIT)
+        }, 100)
     }
 
     private fun enableOrNotTheConfirmationButton() {
@@ -439,6 +464,7 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
     private fun clearCredentialsViews(clearKeyFile: Boolean = !mRememberKeyFile) {
         populatePasswordTextView(null)
         if (clearKeyFile) {
+            mDatabaseKeyFileUri = null
             populateKeyFileTextView(null)
         }
     }
@@ -468,10 +494,8 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
     }
 
     override fun onPause() {
-        mProgressDatabaseTaskProvider?.unregisterProgressTask()
-
         // Reinit locking activity UI variable
-        LockingActivity.LOCKING_ACTIVITY_UI_VISIBLE_DURING_LOCK = null
+        DatabaseLockActivity.LOCKING_ACTIVITY_UI_VISIBLE_DURING_LOCK = null
         mAllowAutoOpenBiometricPrompt = true
 
         super.onPause()
@@ -482,7 +506,7 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
         mDatabaseKeyFileUri?.let {
             outState.putString(KEY_KEYFILE, it.toString())
         }
-        ReadOnlyHelper.onSaveInstanceState(outState, readOnly)
+        outState.putBoolean(KEY_READ_ONLY, mReadOnly)
         outState.putBoolean(ALLOW_AUTO_OPEN_BIOMETRIC_PROMPT, false)
         super.onSaveInstanceState(outState)
     }
@@ -520,7 +544,7 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
             clearCredentialsViews()
         }
 
-        if (readOnly && (
+        if (mReadOnly && (
                 mSpecialMode == SpecialMode.SAVE
                 || mSpecialMode == SpecialMode.REGISTRATION)
         ) {
@@ -534,7 +558,7 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
                 showProgressDialogAndLoadDatabase(
                         databaseUri,
                         MainCredential(password, keyFileUri),
-                        readOnly,
+                        mReadOnly,
                         cipherDatabaseEntity,
                         false)
             }
@@ -546,7 +570,7 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
                                                   readOnly: Boolean,
                                                   cipherDatabaseEntity: CipherDatabaseEntity?,
                                                   fixDuplicateUUID: Boolean) {
-        mProgressDatabaseTaskProvider?.startDatabaseLoad(
+        loadDatabase(
                 databaseUri,
                 mainCredential,
                 readOnly,
@@ -585,7 +609,7 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
     // Check permission
     private fun checkPermission() {
         if (Build.VERSION.SDK_INT in 23..28
-                && !readOnly
+                && !mReadOnly
                 && !mPermissionAsked) {
             mPermissionAsked = true
             // Check self permission to show or not the dialog
@@ -662,7 +686,7 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
     }
 
     private fun changeOpenFileReadIcon(togglePassword: MenuItem) {
-        if (readOnly) {
+        if (mReadOnly) {
             togglePassword.setTitle(R.string.menu_file_selection_read_only)
             togglePassword.setIcon(R.drawable.ic_read_only_white_24dp)
         } else {
@@ -676,7 +700,7 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
         when (item.itemId) {
             android.R.id.home -> finish()
             R.id.menu_open_file_read_mode_key -> {
-                readOnly = !readOnly
+                mReadOnly = !mReadOnly
                 changeOpenFileReadIcon(item)
             }
             else -> MenuUtil.onDefaultMenuOptionsItemSelected(this, item)
@@ -702,9 +726,8 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
         }
 
         var keyFileResult = false
-        mSelectFileHelper?.let {
+        mExternalFileHelper?.let {
-            keyFileResult = it.onActivityResultCallback(requestCode, resultCode, data
+            keyFileResult = it.onOpenDocumentResult(requestCode, resultCode, data) { uri ->
-            ) { uri ->
                 if (uri != null) {
                     mDatabaseKeyFileUri = uri
                     populateKeyFileTextView(uri)
@@ -714,9 +737,9 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
         if (!keyFileResult) {
             // this block if not a key file response
             when (resultCode) {
-                LockingActivity.RESULT_EXIT_LOCK -> {
+                DatabaseLockActivity.RESULT_EXIT_LOCK -> {
                     clearCredentialsViews()
-                    Database.getInstance().clearAndClose(UriUtil.getBinaryDir(this))
+                    closeDatabase()
                 }
                 Activity.RESULT_CANCELED -> {
                     clearCredentialsViews()
@@ -735,6 +758,7 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
         private const val KEY_KEYFILE = "keyFile"
         private const val VIEW_INTENT = "android.intent.action.VIEW"
 
+        private const val KEY_READ_ONLY = "KEY_READ_ONLY"
         private const val KEY_PASSWORD = "password"
         private const val KEY_LAUNCH_IMMEDIATELY = "launchImmediately"
         private const val KEY_PERMISSION_ASKED = "KEY_PERMISSION_ASKED"

app/src/main/java/com/kunzisoft/keepass/activities/dialogs/AssignMasterKeyDialogFragment.kt

@@ -30,18 +30,17 @@ import android.text.SpannableStringBuilder
 import android.text.TextWatcher
 import android.view.View
 import android.widget.CompoundButton
-import android.widget.ImageView
 import android.widget.TextView
 import androidx.appcompat.app.AlertDialog
-import androidx.fragment.app.DialogFragment
 import com.google.android.material.textfield.TextInputLayout
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.activities.helpers.SelectFileHelper
+import com.kunzisoft.keepass.activities.helpers.ExternalFileHelper
+import com.kunzisoft.keepass.activities.helpers.setOpenDocumentClickListener
 import com.kunzisoft.keepass.model.MainCredential
 import com.kunzisoft.keepass.utils.UriUtil
 import com.kunzisoft.keepass.view.KeyFileSelectionView
 
-class AssignMasterKeyDialogFragment : DialogFragment() {
+class AssignMasterKeyDialogFragment : DatabaseDialogFragment() {
 
     private var mMasterPassword: String? = null
     private var mKeyFile: Uri? = null
@@ -60,7 +59,7 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
 
     private var mListener: AssignPasswordDialogListener? = null
 
-    private var mSelectFileHelper: SelectFileHelper? = null
+    private var mExternalFileHelper: ExternalFileHelper? = null
 
     private var mEmptyPasswordConfirmationDialog: AlertDialog? = null
     private var mNoKeyConfirmationDialog: AlertDialog? = null
@@ -133,11 +132,8 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
             keyFileCheckBox = rootView?.findViewById(R.id.keyfile_checkox)
             keyFileSelectionView = rootView?.findViewById(R.id.keyfile_selection)
 
-            mSelectFileHelper = SelectFileHelper(this)
+            mExternalFileHelper = ExternalFileHelper(this)
-            keyFileSelectionView?.apply {
+            keyFileSelectionView?.setOpenDocumentClickListener(mExternalFileHelper)
-                setOnClickListener(mSelectFileHelper?.selectFileOnClickViewListener)
-                setOnLongClickListener(mSelectFileHelper?.selectFileOnClickViewListener)
-            }
 
             val dialog = builder.create()
 
@@ -289,7 +285,7 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
 
-        mSelectFileHelper?.onActivityResultCallback(requestCode, resultCode, data) { uri ->
+        mExternalFileHelper?.onOpenDocumentResult(requestCode, resultCode, data) { uri ->
             uri?.let { pathUri ->
                 UriUtil.getFileData(requireContext(), uri)?.length()?.let { lengthFile ->
                     keyFileSelectionView?.error = null

app/src/main/java/com/kunzisoft/keepass/activities/dialogs/DatabaseChangedDialogFragment.kt

@@ -23,12 +23,11 @@ import android.app.Dialog
 import android.os.Bundle
 import android.text.SpannableStringBuilder
 import androidx.appcompat.app.AlertDialog
-import androidx.fragment.app.DialogFragment
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.model.SnapFileDatabaseInfo
 
 
-class DatabaseChangedDialogFragment : DialogFragment() {
+class DatabaseChangedDialogFragment : DatabaseDialogFragment() {
 
     var actionDatabaseListener: ActionDatabaseChangedListener? = null
 

app/src/main/java/com/kunzisoft/keepass/activities/dialogs/DatabaseDialogFragment.kt

@@ -0,0 +1,71 @@
+package com.kunzisoft.keepass.activities.dialogs
+
+import android.os.Bundle
+import androidx.fragment.app.DialogFragment
+import androidx.fragment.app.activityViewModels
+import com.kunzisoft.keepass.activities.legacy.DatabaseRetrieval
+import com.kunzisoft.keepass.activities.legacy.resetAppTimeoutWhenViewTouchedOrFocused
+import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.tasks.ActionRunnable
+import com.kunzisoft.keepass.timeout.TimeoutHelper
+import com.kunzisoft.keepass.viewmodels.DatabaseViewModel
+
+abstract class DatabaseDialogFragment : DialogFragment(), DatabaseRetrieval {
+
+    private val mDatabaseViewModel: DatabaseViewModel by activityViewModels()
+    private var mDatabase: Database? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        mDatabaseViewModel.database.observe(this) { database ->
+            this.mDatabase = database
+            resetAppTimeoutOnTouchOrFocus()
+            onDatabaseRetrieved(database)
+        }
+
+        mDatabaseViewModel.actionFinished.observe(this) { result ->
+            onDatabaseActionFinished(result.database, result.actionTask, result.result)
+        }
+    }
+
+    override fun onActivityCreated(savedInstanceState: Bundle?) {
+        super.onActivityCreated(savedInstanceState)
+
+        resetAppTimeoutOnTouchOrFocus()
+    }
+
+    override fun onDatabaseRetrieved(database: Database?) {
+        // Can be overridden by a subclass
+    }
+
+    override fun onDatabaseActionFinished(
+        database: Database,
+        actionTask: String,
+        result: ActionRunnable.Result
+    ) {
+        // Can be overridden by a subclass
+    }
+
+    fun resetAppTimeout() {
+        context?.let {
+            TimeoutHelper.checkTimeAndLockIfTimeoutOrResetTimeout(it,
+                mDatabase?.loaded ?: false)
+        }
+    }
+
+    open fun overrideTimeoutTouchAndFocusEvents(): Boolean {
+        return false
+    }
+
+    private fun resetAppTimeoutOnTouchOrFocus() {
+        if (!overrideTimeoutTouchAndFocusEvents()) {
+            context?.let {
+                dialog?.window?.decorView?.resetAppTimeoutWhenViewTouchedOrFocused(
+                    it,
+                    mDatabase?.loaded
+                )
+            }
+        }
+    }
+}

app/src/main/java/com/kunzisoft/keepass/activities/dialogs/DatePickerFragment.kt

@@ -6,6 +6,7 @@ import android.content.Context
 import android.os.Bundle
 import androidx.fragment.app.DialogFragment
 
+// Not as DatabaseDialogFragment because crash on KitKat
 class DatePickerFragment : DialogFragment() {
 
     private var mDefaultYear: Int = 2000

app/src/main/java/com/kunzisoft/keepass/activities/dialogs/DeleteNodesDialogFragment.kt

@@ -20,61 +20,38 @@
 package com.kunzisoft.keepass.activities.dialogs
 
 import android.app.Dialog
-import android.content.Context
 import android.os.Bundle
 import androidx.appcompat.app.AlertDialog
-import androidx.fragment.app.DialogFragment
+import androidx.fragment.app.activityViewModels
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.element.node.Node
-import com.kunzisoft.keepass.services.DatabaseTaskNotificationService
+import com.kunzisoft.keepass.viewmodels.NodesViewModel
-import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.getBundleFromListNodes
-import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.getListNodesFromBundle
 
-open class DeleteNodesDialogFragment : DialogFragment() {
+class DeleteNodesDialogFragment : DatabaseDialogFragment() {
 
-    private var mNodesToDelete: List<Node> = ArrayList()
+    private var mNodesToDelete: List<Node> = listOf()
-    private var mListener: DeleteNodeListener? = null
+    private val mNodesViewModel: NodesViewModel by activityViewModels()
-
-    override fun onAttach(context: Context) {
-        super.onAttach(context)
-        try {
-            mListener = context as DeleteNodeListener
-        } catch (e: ClassCastException) {
-            throw ClassCastException(context.toString()
-                    + " must implement " + DeleteNodeListener::class.java.name)
-        }
-    }
-
-    override fun onDetach() {
-        mListener = null
-        super.onDetach()
-    }
-
-    protected open fun retrieveMessage(): String {
-        return getString(R.string.warning_permanently_delete_nodes)
-    }
 
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
-
+        mNodesViewModel.nodesToDelete.observe(this) { nodes ->
+            this.mNodesToDelete = nodes
+        }
+        var recycleBin = false
         arguments?.apply {
-            if (containsKey(DatabaseTaskNotificationService.GROUPS_ID_KEY)
+            if (containsKey(RECYCLE_BIN_TAG)) {
-                    && containsKey(DatabaseTaskNotificationService.ENTRIES_ID_KEY)) {
+                recycleBin = this.getBoolean(RECYCLE_BIN_TAG)
-                mNodesToDelete = getListNodesFromBundle(Database.getInstance(), this)
-            }
-        } ?: savedInstanceState?.apply {
-            if (containsKey(DatabaseTaskNotificationService.GROUPS_ID_KEY)
-                    && containsKey(DatabaseTaskNotificationService.ENTRIES_ID_KEY)) {
-                mNodesToDelete = getListNodesFromBundle(Database.getInstance(), savedInstanceState)
             }
         }
         activity?.let { activity ->
             // Use the Builder class for convenient dialog construction
             val builder = AlertDialog.Builder(activity)
 
-            builder.setMessage(retrieveMessage())
+            builder.setMessage(if (recycleBin)
+                getString(R.string.warning_empty_recycle_bin)
+            else
+                getString(R.string.warning_permanently_delete_nodes))
             builder.setPositiveButton(android.R.string.ok) { _, _ ->
-                mListener?.permanentlyDeleteNodes(mNodesToDelete)
+                mNodesViewModel.permanentlyDeleteNodes(mNodesToDelete)
             }
             builder.setNegativeButton(android.R.string.cancel) { _, _ -> dismiss() }
             // Create the AlertDialog object and return it
@@ -83,19 +60,14 @@ open class DeleteNodesDialogFragment : DialogFragment() {
         return super.onCreateDialog(savedInstanceState)
     }
 
-    override fun onSaveInstanceState(outState: Bundle) {
-        super.onSaveInstanceState(outState)
-        outState.putAll(getBundleFromListNodes(mNodesToDelete))
-    }
-
-    interface DeleteNodeListener {
-        fun permanentlyDeleteNodes(nodes: List<Node>)
-    }
-
     companion object {
-        fun getInstance(nodesToDelete: List<Node>): DeleteNodesDialogFragment {
+        private const val RECYCLE_BIN_TAG = "RECYCLE_BIN_TAG"
+
+        fun getInstance(recycleBin: Boolean): DeleteNodesDialogFragment {
             return DeleteNodesDialogFragment().apply {
-                arguments = getBundleFromListNodes(nodesToDelete)
+                arguments = Bundle().apply {
+                    putBoolean(RECYCLE_BIN_TAG, recycleBin)
+                }
             }
         }
     }

app/src/main/java/com/kunzisoft/keepass/activities/dialogs/EntryCustomFieldDialogFragment.kt

@@ -31,14 +31,13 @@ import android.widget.ImageView
 import android.widget.TextView
 import androidx.annotation.StringRes
 import androidx.appcompat.app.AlertDialog
-import androidx.fragment.app.DialogFragment
 import com.google.android.material.textfield.TextInputLayout
 import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.database.element.Field
 import com.kunzisoft.keepass.database.element.security.ProtectedString
-import com.kunzisoft.keepass.model.Field
 
 
-class EntryCustomFieldDialogFragment: DialogFragment() {
+class EntryCustomFieldDialogFragment: DatabaseDialogFragment() {
 
     private var oldField: Field? = null
 

app/src/main/java/com/kunzisoft/keepass/activities/dialogs/GeneratePasswordDialogFragment.kt

@@ -22,18 +22,18 @@ package com.kunzisoft.keepass.activities.dialogs
 import android.app.Dialog
 import android.content.Context
 import android.os.Bundle
-import com.google.android.material.textfield.TextInputLayout
-import androidx.fragment.app.DialogFragment
-import androidx.appcompat.app.AlertDialog
 import android.view.View
 import android.widget.*
+import androidx.appcompat.app.AlertDialog
+import com.google.android.material.textfield.TextInputLayout
 import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.database.element.Field
 import com.kunzisoft.keepass.password.PasswordGenerator
 import com.kunzisoft.keepass.settings.PreferencesUtil
 import com.kunzisoft.keepass.timeout.ClipboardHelper
 import com.kunzisoft.keepass.view.applyFontVisibility
 
-class GeneratePasswordDialogFragment : DialogFragment() {
+class GeneratePasswordDialogFragment : DatabaseDialogFragment() {
 
     private var mListener: GeneratePasswordListener? = null
 
@@ -42,6 +42,8 @@ class GeneratePasswordDialogFragment : DialogFragment() {
     private var passwordInputLayoutView: TextInputLayout? = null
     private var passwordView: EditText? = null
 
+    private var mPasswordField: Field? = null
+
     private var uppercaseBox: CompoundButton? = null
     private var lowercaseBox: CompoundButton? = null
     private var digitsBox: CompoundButton? = null
@@ -77,7 +79,7 @@ class GeneratePasswordDialogFragment : DialogFragment() {
             passwordView = root?.findViewById(R.id.password)
             passwordView?.applyFontVisibility()
             val passwordCopyView: ImageView? = root?.findViewById(R.id.password_copy_button)
-            passwordCopyView?.visibility = if(PreferencesUtil.allowCopyPasswordAndProtectedFields(activity))
+            passwordCopyView?.visibility = if(PreferencesUtil.allowCopyProtectedFields(activity))
                 View.VISIBLE else View.GONE
             val clipboardHelper = ClipboardHelper(activity)
             passwordCopyView?.setOnClickListener {
@@ -98,6 +100,8 @@ class GeneratePasswordDialogFragment : DialogFragment() {
             bracketsBox = root?.findViewById(R.id.cb_brackets)
             extendedBox = root?.findViewById(R.id.cb_extended)
 
+            mPasswordField = arguments?.getParcelable(KEY_PASSWORD_FIELD)
+
             assignDefaultCharacters()
 
             val seekBar = root?.findViewById<SeekBar>(R.id.seekbar_length)
@@ -120,16 +124,18 @@ class GeneratePasswordDialogFragment : DialogFragment() {
 
             builder.setView(root)
                     .setPositiveButton(R.string.accept) { _, _ ->
-                        val bundle = Bundle()
+                        mPasswordField?.let { passwordField ->
-                        bundle.putString(KEY_PASSWORD_ID, passwordView!!.text.toString())
+                            passwordView?.text?.toString()?.let { passwordValue ->
-                        mListener?.acceptPassword(bundle)
+                                passwordField.protectedValue.stringValue = passwordValue
-
+                            }
+                            mListener?.acceptPassword(passwordField)
+                        }
                         dismiss()
                     }
                     .setNegativeButton(android.R.string.cancel) { _, _ ->
-                        val bundle = Bundle()
+                        mPasswordField?.let { passwordField ->
-                        mListener?.cancelPassword(bundle)
+                            mListener?.cancelPassword(passwordField)
-
+                        }
                         dismiss()
                     }
 
@@ -200,11 +206,19 @@ class GeneratePasswordDialogFragment : DialogFragment() {
     }
 
     interface GeneratePasswordListener {
-        fun acceptPassword(bundle: Bundle)
+        fun acceptPassword(passwordField: Field)
-        fun cancelPassword(bundle: Bundle)
+        fun cancelPassword(passwordField: Field)
     }
 
     companion object {
-        const val KEY_PASSWORD_ID = "KEY_PASSWORD_ID"
+        private const val KEY_PASSWORD_FIELD = "KEY_PASSWORD_FIELD"
+
+        fun getInstance(field: Field): GeneratePasswordDialogFragment {
+            return GeneratePasswordDialogFragment().apply {
+                arguments = Bundle().apply {
+                    putParcelable(KEY_PASSWORD_FIELD, field)
+                }
+            }
+        }
     }
 }

app/src/main/java/com/kunzisoft/keepass/activities/dialogs/GroupEditDialogFragment.kt

@@ -20,7 +20,6 @@
 package com.kunzisoft.keepass.activities.dialogs
 
 import android.app.Dialog
-import android.content.Context
 import android.graphics.Color
 import android.os.Bundle
 import android.view.View
@@ -28,35 +27,34 @@ import android.widget.Button
 import android.widget.ImageView
 import android.widget.TextView
 import androidx.appcompat.app.AlertDialog
-import androidx.fragment.app.DialogFragment
+import androidx.fragment.app.activityViewModels
 import com.google.android.material.textfield.TextInputLayout
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.activities.IconPickerActivity
+import com.kunzisoft.keepass.activities.dialogs.GroupEditDialogFragment.EditGroupDialogAction.*
-import com.kunzisoft.keepass.activities.dialogs.GroupEditDialogFragment.EditGroupDialogAction.CREATION
-import com.kunzisoft.keepass.activities.dialogs.GroupEditDialogFragment.EditGroupDialogAction.UPDATE
 import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.element.DateInstant
 import com.kunzisoft.keepass.database.element.icon.IconImage
 import com.kunzisoft.keepass.model.GroupInfo
-import com.kunzisoft.keepass.view.ExpirationView
+import com.kunzisoft.keepass.view.DateTimeEditFieldView
+import com.kunzisoft.keepass.viewmodels.GroupEditViewModel
 import org.joda.time.DateTime
 
-class GroupEditDialogFragment : DialogFragment() {
+class GroupEditDialogFragment : DatabaseDialogFragment() {
 
-    private var mDatabase: Database? = null
+    private val mGroupEditViewModel: GroupEditViewModel by activityViewModels()
 
-    private var mEditGroupListener: EditGroupListener? = null
+    private var mPopulateIconMethod: ((ImageView, IconImage) -> Unit)? = null
-
+    private var mEditGroupDialogAction = NONE
-    private var mEditGroupDialogAction = EditGroupDialogAction.NONE
     private var mGroupInfo = GroupInfo()
+    private var mGroupNamesNotAllowed: List<String>? = null
 
     private lateinit var iconButtonView: ImageView
-    private var iconColor: Int = 0
+    private var mIconColor: Int = 0
     private lateinit var nameTextLayoutView: TextInputLayout
     private lateinit var nameTextView: TextView
     private lateinit var notesTextLayoutView: TextInputLayout
     private lateinit var notesTextView: TextView
-    private lateinit var expirationView: ExpirationView
+    private lateinit var expirationView: DateTimeEditFieldView
 
     enum class EditGroupDialogAction {
         CREATION, UPDATE, NONE;
@@ -68,22 +66,51 @@ class GroupEditDialogFragment : DialogFragment() {
         }
     }
 
-    override fun onAttach(context: Context) {
+    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onAttach(context)
+        super.onCreate(savedInstanceState)
-        // Verify that the host activity implements the callback interface
+
-        try {
+        mGroupEditViewModel.onIconSelected.observe(this) { iconImage ->
-            // Instantiate the NoticeDialogListener so we can send events to the host
+            mGroupInfo.icon = iconImage
-            mEditGroupListener = context as EditGroupListener
+            mPopulateIconMethod?.invoke(iconButtonView, mGroupInfo.icon)
-        } catch (e: ClassCastException) {
+        }
-            // The activity doesn't implement the interface, throw exception
+
-            throw ClassCastException(context.toString()
+        mGroupEditViewModel.onDateSelected.observe(this) { viewModelDate ->
-                    + " must implement " + GroupEditDialogFragment::class.java.name)
+            // Save the date
+            mGroupInfo.expiryTime = DateInstant(
+                DateTime(mGroupInfo.expiryTime.date)
+                    .withYear(viewModelDate.year)
+                    .withMonthOfYear(viewModelDate.month + 1)
+                    .withDayOfMonth(viewModelDate.day)
+                    .toDate())
+            expirationView.dateTime = mGroupInfo.expiryTime
+            if (expirationView.dateTime.type == DateInstant.Type.DATE_TIME) {
+                val instantTime = DateInstant(mGroupInfo.expiryTime.date, DateInstant.Type.TIME)
+                // Trick to recall selection with time
+                mGroupEditViewModel.requestDateTimeSelection(instantTime)
+            }
+        }
+
+        mGroupEditViewModel.onTimeSelected.observe(this) { viewModelTime ->
+            // Save the time
+            mGroupInfo.expiryTime = DateInstant(
+                DateTime(mGroupInfo.expiryTime.date)
+                    .withHourOfDay(viewModelTime.hours)
+                    .withMinuteOfHour(viewModelTime.minutes)
+                    .toDate(), mGroupInfo.expiryTime.type)
+            expirationView.dateTime = mGroupInfo.expiryTime
+        }
+
+        mGroupEditViewModel.groupNamesNotAllowed.observe(this) { namesNotAllowed ->
+            this.mGroupNamesNotAllowed = namesNotAllowed
         }
     }
 
-    override fun onDetach() {
+    override fun onDatabaseRetrieved(database: Database?) {
-        mEditGroupListener = null
+        super.onDatabaseRetrieved(database)
-        super.onDetach()
+        mPopulateIconMethod = { imageView, icon ->
+            database?.iconDrawableFactory?.assignDatabaseIcon(imageView, icon, mIconColor)
+        }
+        mPopulateIconMethod?.invoke(iconButtonView, mGroupInfo.icon)
     }
 
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
@@ -98,12 +125,9 @@ class GroupEditDialogFragment : DialogFragment() {
 
             // Retrieve the textColor to tint the icon
             val ta = activity.theme.obtainStyledAttributes(intArrayOf(android.R.attr.textColor))
-            iconColor = ta.getColor(0, Color.WHITE)
+            mIconColor = ta.getColor(0, Color.WHITE)
             ta.recycle()
 
-            // Init elements
-            mDatabase = Database.getInstance()
-
             if (savedInstanceState != null
                     && savedInstanceState.containsKey(KEY_ACTION_ID)
                     && savedInstanceState.containsKey(KEY_GROUP_INFO)) {
@@ -120,32 +144,22 @@ class GroupEditDialogFragment : DialogFragment() {
             }
 
             // populate info in views
-            populateInfoToViews()
+            populateInfoToViews(mGroupInfo)
-            expirationView.setOnDateClickListener = {
+
-                expirationView.expiryTime.date.let { expiresDate ->
+            iconButtonView.setOnClickListener { _ ->
-                    val dateTime = DateTime(expiresDate)
+                mGroupEditViewModel.requestIconSelection(mGroupInfo.icon)
-                    val defaultYear = dateTime.year
+            }
-                    val defaultMonth = dateTime.monthOfYear-1
+            expirationView.setOnDateClickListener = { dateInstant ->
-                    val defaultDay = dateTime.dayOfMonth
+                mGroupEditViewModel.requestDateTimeSelection(dateInstant)
-                    DatePickerFragment.getInstance(defaultYear, defaultMonth, defaultDay)
-                            .show(parentFragmentManager, "DatePickerFragment")
-                }
             }
 
             val builder = AlertDialog.Builder(activity)
             builder.setView(root)
                     .setPositiveButton(android.R.string.ok, null)
                     .setNegativeButton(android.R.string.cancel) { _, _ ->
-                        retrieveGroupInfoFromViews()
+                        // Do nothing
-                        mEditGroupListener?.cancelEditGroup(
-                                mEditGroupDialogAction,
-                                mGroupInfo)
                     }
 
-            iconButtonView.setOnClickListener { _ ->
-                IconPickerActivity.launch(activity, mGroupInfo.icon)
-            }
-
             return builder.create()
         }
         return super.onCreateDialog(savedInstanceState)
@@ -155,40 +169,34 @@ class GroupEditDialogFragment : DialogFragment() {
         super.onResume()
 
         // To prevent auto dismiss
-        val d = dialog as AlertDialog?
+        val alertDialog = dialog as AlertDialog?
-        if (d != null) {
+        if (alertDialog != null) {
-            val positiveButton = d.getButton(Dialog.BUTTON_POSITIVE) as Button
+            val positiveButton = alertDialog.getButton(Dialog.BUTTON_POSITIVE) as Button
             positiveButton.setOnClickListener {
                 retrieveGroupInfoFromViews()
                 if (isValid()) {
-                    mEditGroupListener?.approveEditGroup(
+                    when (mEditGroupDialogAction) {
-                            mEditGroupDialogAction,
+                        CREATION ->
-                            mGroupInfo)
+                            mGroupEditViewModel.approveGroupCreation(mGroupInfo)
-                    d.dismiss()
+                        UPDATE ->
+                            mGroupEditViewModel.approveGroupUpdate(mGroupInfo)
+                        NONE -> {}
+                    }
+                    alertDialog.dismiss()
                 }
             }
         }
     }
 
-    fun getExpiryTime(): DateInstant {
+    private fun populateInfoToViews(groupInfo: GroupInfo) {
-        retrieveGroupInfoFromViews()
+        mGroupEditViewModel.selectIcon(groupInfo.icon)
-        return mGroupInfo.expiryTime
+        nameTextView.text = groupInfo.title
-    }
+        notesTextLayoutView.visibility = if (groupInfo.notes == null) View.GONE else View.VISIBLE
-
+        groupInfo.notes?.let {
-    fun setExpiryTime(expiryTime: DateInstant) {
-        mGroupInfo.expiryTime = expiryTime
-        populateInfoToViews()
-    }
-
-    private fun populateInfoToViews() {
-        assignIconView()
-        nameTextView.text = mGroupInfo.title
-        notesTextLayoutView.visibility = if (mGroupInfo.notes == null) View.GONE else View.VISIBLE
-        mGroupInfo.notes?.let {
             notesTextView.text = it
         }
-        expirationView.expires = mGroupInfo.expires
+        expirationView.activation = groupInfo.expires
-        expirationView.expiryTime = mGroupInfo.expiryTime
+        expirationView.dateTime = groupInfo.expiryTime
     }
 
     private fun retrieveGroupInfoFromViews() {
@@ -198,17 +206,8 @@ class GroupEditDialogFragment : DialogFragment() {
         if (newNotes.isNotEmpty()) {
             mGroupInfo.notes = newNotes
         }
-        mGroupInfo.expires = expirationView.expires
+        mGroupInfo.expires = expirationView.activation
-        mGroupInfo.expiryTime = expirationView.expiryTime
+        mGroupInfo.expiryTime = expirationView.dateTime
-    }
-
-    private fun assignIconView() {
-        mDatabase?.iconDrawableFactory?.assignDatabaseIcon(iconButtonView, mGroupInfo.icon, iconColor)
-    }
-
-    fun setIcon(icon: IconImage) {
-        mGroupInfo.icon = icon
-        assignIconView()
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
@@ -219,19 +218,30 @@ class GroupEditDialogFragment : DialogFragment() {
     }
 
     private fun isValid(): Boolean {
-        if (nameTextView.text.toString().isEmpty()) {
+        val name = nameTextView.text.toString()
-            nameTextLayoutView.error = getString(R.string.error_no_name)
+        val error = when {
-            return false
+            name.isEmpty() -> {
+                Error(true, R.string.error_no_name)
+            }
+            mGroupNamesNotAllowed == null -> {
+                Error(true, R.string.error_word_reserved)
+            }
+            mGroupNamesNotAllowed?.find { it.equals(name, ignoreCase = true) } != null -> {
+                Error(true, R.string.error_word_reserved)
+            }
+            else -> {
+                Error(false, null)
+            }
         }
-        return true
+        error.messageId?.let { messageId ->
+            nameTextLayoutView.error = getString(messageId)
+        } ?: kotlin.run {
+            nameTextLayoutView.error = null
+        }
+        return !error.isError
     }
 
-    interface EditGroupListener {
+    data class Error(val isError: Boolean, val messageId: Int?)
-        fun approveEditGroup(action: EditGroupDialogAction,
-                             groupInfo: GroupInfo)
-        fun cancelEditGroup(action: EditGroupDialogAction,
-                            groupInfo: GroupInfo)
-    }
 
     companion object {
 

app/src/main/java/com/kunzisoft/keepass/activities/dialogs/PasswordEncodingDialogFragment.kt

@@ -19,11 +19,11 @@
  */
 package com.kunzisoft.keepass.activities.dialogs
 
-import android.app.AlertDialog
 import android.app.Dialog
 import android.content.Context
 import android.net.Uri
 import android.os.Bundle
+import androidx.appcompat.app.AlertDialog
 import androidx.fragment.app.DialogFragment
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.model.MainCredential

app/src/main/java/com/kunzisoft/keepass/activities/dialogs/ReplaceAttachmentDialogFragment.kt

@@ -25,14 +25,13 @@ import android.net.Uri
 import android.os.Bundle
 import android.text.SpannableStringBuilder
 import androidx.appcompat.app.AlertDialog
-import androidx.fragment.app.DialogFragment
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.database.element.Attachment
 
 /**
  * Custom Dialog to confirm big file to upload
  */
-class ReplaceFileDialogFragment : DialogFragment() {
+class ReplaceFileDialogFragment : DatabaseDialogFragment() {
 
     private var mActionChooseListener: ActionChooseListener? = null
 

app/src/main/java/com/kunzisoft/keepass/activities/dialogs/SetOTPDialogFragment.kt

@@ -31,7 +31,6 @@ import android.view.ViewGroup
 import android.view.inputmethod.EditorInfo
 import android.widget.*
 import androidx.appcompat.app.AlertDialog
-import androidx.fragment.app.DialogFragment
 import com.google.android.material.textfield.TextInputLayout
 import com.kunzisoft.keepass.BuildConfig
 import com.kunzisoft.keepass.R
@@ -49,7 +48,7 @@ import com.kunzisoft.keepass.otp.TokenCalculator
 import com.kunzisoft.keepass.utils.UriUtil
 import java.util.*
 
-class SetOTPDialogFragment : DialogFragment() {
+class SetOTPDialogFragment : DatabaseDialogFragment() {
 
     private var mCreateOTPElementListener: CreateOtpListener? = null
 
@@ -80,11 +79,15 @@ class SetOTPDialogFragment : DialogFragment() {
     private var mOnFocusChangeListener = View.OnFocusChangeListener { _, isFocus ->
         if (!isFocus)
             mManualEvent = true
+        else
+            resetAppTimeout()
     }
+    @SuppressLint("ClickableViewAccessibility")
     private var mOnTouchListener = View.OnTouchListener { _, event ->
         when (event.action) {
             MotionEvent.ACTION_DOWN -> {
                 mManualEvent = true
+                resetAppTimeout()
             }
         }
         false
@@ -95,6 +98,10 @@ class SetOTPDialogFragment : DialogFragment() {
     private var mPeriodWellFormed = false
     private var mDigitsWellFormed = false
 
+    override fun overrideTimeoutTouchAndFocusEvents(): Boolean {
+        return true
+    }
+
     override fun onAttach(context: Context) {
         super.onAttach(context)
         // Verify that the host activity implements the callback interface
@@ -225,8 +232,11 @@ class SetOTPDialogFragment : DialogFragment() {
             val builder = AlertDialog.Builder(activity)
             builder.apply {
                 setView(root)
-                        .setPositiveButton(android.R.string.ok) {_, _ -> }
+                        .setPositiveButton(android.R.string.ok) { _, _ ->
+                            resetAppTimeout()
+                        }
                         .setNegativeButton(android.R.string.cancel) { _, _ ->
+                            resetAppTimeout()
                         }
             }
 

app/src/main/java/com/kunzisoft/keepass/activities/dialogs/SortDialogFragment.kt

@@ -22,16 +22,15 @@ package com.kunzisoft.keepass.activities.dialogs
 import android.app.Dialog
 import android.content.Context
 import android.os.Bundle
-import androidx.annotation.IdRes
-import androidx.fragment.app.DialogFragment
-import androidx.appcompat.app.AlertDialog
 import android.view.View
 import android.widget.CompoundButton
 import android.widget.RadioGroup
+import androidx.annotation.IdRes
+import androidx.appcompat.app.AlertDialog
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.database.element.SortNodeEnum
 
-class SortDialogFragment : DialogFragment() {
+class SortDialogFragment : DatabaseDialogFragment() {
 
     private var mListener: SortSelectionListener? = null
 

app/src/main/java/com/kunzisoft/keepass/activities/dialogs/TimePickerFragment.kt

@@ -8,6 +8,7 @@ import android.os.Bundle
 import android.text.format.DateFormat
 import androidx.fragment.app.DialogFragment
 
+// Not as DatabaseDialogFragment because crash on KitKat
 class TimePickerFragment : DialogFragment() {
 
     private var defaultHour: Int = 0

app/src/main/java/com/kunzisoft/keepass/activities/fragments/DatabaseFragment.kt

@@ -0,0 +1,51 @@
+package com.kunzisoft.keepass.activities.fragments
+
+import android.os.Bundle
+import android.view.View
+import androidx.fragment.app.activityViewModels
+import com.kunzisoft.keepass.activities.legacy.DatabaseRetrieval
+import com.kunzisoft.keepass.activities.legacy.resetAppTimeoutWhenViewTouchedOrFocused
+import com.kunzisoft.keepass.activities.stylish.StylishFragment
+import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.database.element.binary.BinaryData
+import com.kunzisoft.keepass.tasks.ActionRunnable
+import com.kunzisoft.keepass.viewmodels.DatabaseViewModel
+
+abstract class DatabaseFragment : StylishFragment(), DatabaseRetrieval {
+
+    private val mDatabaseViewModel: DatabaseViewModel by activityViewModels()
+    protected var mDatabase: Database? = null
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        mDatabaseViewModel.database.observe(viewLifecycleOwner) { database ->
+            if (mDatabase == null || mDatabase != database) {
+                this.mDatabase = database
+                onDatabaseRetrieved(database)
+            }
+        }
+
+        mDatabaseViewModel.actionFinished.observe(viewLifecycleOwner) { result ->
+            onDatabaseActionFinished(result.database, result.actionTask, result.result)
+        }
+    }
+
+    protected fun resetAppTimeoutWhenViewFocusedOrChanged(view: View?) {
+        context?.let {
+            view?.resetAppTimeoutWhenViewTouchedOrFocused(it, mDatabase?.loaded)
+        }
+    }
+
+    override fun onDatabaseActionFinished(
+        database: Database,
+        actionTask: String,
+        result: ActionRunnable.Result
+    ) {
+        // Can be overridden by a subclass
+    }
+
+    protected fun buildNewBinaryAttachment(): BinaryData? {
+        return mDatabase?.buildNewBinaryAttachment()
+    }
+}

app/src/main/java/com/kunzisoft/keepass/activities/fragments/EntryEditFragment.kt

@@ -19,431 +19,255 @@
  */
 package com.kunzisoft.keepass.activities.fragments
 
-import android.content.Context
 import android.graphics.Color
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.view.inputmethod.EditorInfo
+import androidx.core.view.isVisible
-import android.widget.EditText
+import androidx.fragment.app.activityViewModels
-import android.widget.ImageView
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import androidx.recyclerview.widget.SimpleItemAnimator
-import com.google.android.material.textfield.TextInputEditText
-import com.google.android.material.textfield.TextInputLayout
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.activities.EntryEditActivity
+import com.kunzisoft.keepass.activities.dialogs.ReplaceFileDialogFragment
-import com.kunzisoft.keepass.activities.dialogs.GeneratePasswordDialogFragment
+import com.kunzisoft.keepass.activities.dialogs.SetOTPDialogFragment
-import com.kunzisoft.keepass.activities.lock.resetAppTimeoutWhenViewFocusedOrChanged
-import com.kunzisoft.keepass.activities.stylish.StylishFragment
 import com.kunzisoft.keepass.adapters.EntryAttachmentsItemsAdapter
 import com.kunzisoft.keepass.database.element.Attachment
 import com.kunzisoft.keepass.database.element.Database
-import com.kunzisoft.keepass.database.element.DateInstant
+import com.kunzisoft.keepass.model.AttachmentState
-import com.kunzisoft.keepass.database.element.icon.IconImage
+import com.kunzisoft.keepass.model.EntryAttachmentState
-import com.kunzisoft.keepass.education.EntryEditActivityEducation
+import com.kunzisoft.keepass.model.EntryInfo
-import com.kunzisoft.keepass.icons.IconDrawableFactory
+import com.kunzisoft.keepass.model.StreamDirection
-import com.kunzisoft.keepass.model.*
+import com.kunzisoft.keepass.view.TemplateEditView
-import com.kunzisoft.keepass.otp.OtpEntryFields
-import com.kunzisoft.keepass.settings.PreferencesUtil
-import com.kunzisoft.keepass.view.ExpirationView
-import com.kunzisoft.keepass.view.applyFontVisibility
 import com.kunzisoft.keepass.view.collapse
 import com.kunzisoft.keepass.view.expand
+import com.kunzisoft.keepass.view.showByFading
+import com.kunzisoft.keepass.viewmodels.EntryEditViewModel
 
-class EntryEditFragment: StylishFragment() {
+class EntryEditFragment: DatabaseFragment() {
 
-    private lateinit var entryTitleLayoutView: TextInputLayout
+    private val mEntryEditViewModel: EntryEditViewModel by activityViewModels()
-    private lateinit var entryTitleView: EditText
+
-    private lateinit var entryIconView: ImageView
+    private lateinit var rootView: View
-    private lateinit var entryUserNameView: EditText
+    private lateinit var templateView: TemplateEditView
-    private lateinit var entryUrlView: EditText
+    private lateinit var attachmentsContainerView: ViewGroup
-    private lateinit var entryPasswordLayoutView: TextInputLayout
-    private lateinit var entryPasswordView: EditText
-    private lateinit var entryPasswordGeneratorView: View
-    private lateinit var entryExpirationView: ExpirationView
-    private lateinit var entryNotesView: EditText
-    private lateinit var extraFieldsContainerView: View
-    private lateinit var extraFieldsListView: ViewGroup
-    private lateinit var attachmentsContainerView: View
     private lateinit var attachmentsListView: RecyclerView
+    private var attachmentsAdapter: EntryAttachmentsItemsAdapter? = null
 
-    private lateinit var attachmentsAdapter: EntryAttachmentsItemsAdapter
+    private var mAllowMultipleAttachments: Boolean = false
 
-    private var fontInVisibility: Boolean = false
+    private var mIconColor: Int = 0
-    private var iconColor: Int = 0
 
-    var drawFactory: IconDrawableFactory? = null
+    override fun onCreateView(inflater: LayoutInflater,
-    var setOnDateClickListener: (() -> Unit)? = null
+                              container: ViewGroup?,
-    var setOnPasswordGeneratorClickListener: View.OnClickListener? = null
+                              savedInstanceState: Bundle?): View? {
-    var setOnIconViewClickListener: ((IconImage) -> Unit)? = null
-    var setOnEditCustomField: ((Field) -> Unit)? = null
-    var setOnRemoveAttachment: ((Attachment) -> Unit)? = null
-
-    // Elements to modify the current entry
-    private var mEntryInfo = EntryInfo()
-    private var mLastFocusedEditField: FocusedEditField? = null
-    private var mExtraViewToRequestFocus: EditText? = null
-
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         super.onCreateView(inflater, container, savedInstanceState)
 
-        val rootView = inflater.cloneInContext(contextThemed)
+        // Retrieve the textColor to tint the icon
-            .inflate(R.layout.fragment_entry_edit_contents, container, false)
+        val taIconColor = contextThemed?.theme?.obtainStyledAttributes(intArrayOf(android.R.attr.textColor))
+        mIconColor = taIconColor?.getColor(0, Color.BLACK) ?: Color.BLACK
+        taIconColor?.recycle()
 
-        fontInVisibility = PreferencesUtil.fieldFontIsInVisibility(requireContext())
+        return inflater.cloneInContext(contextThemed)
+                .inflate(R.layout.fragment_entry_edit, container, false)
+    }
 
-        entryTitleLayoutView = rootView.findViewById(R.id.entry_edit_container_title)
+    override fun onViewCreated(view: View,
-        entryTitleView = rootView.findViewById(R.id.entry_edit_title)
+                               savedInstanceState: Bundle?) {
-        entryIconView = rootView.findViewById(R.id.entry_edit_icon_button)
+        super.onViewCreated(view, savedInstanceState)
-        entryIconView.setOnClickListener {
+
-            setOnIconViewClickListener?.invoke(mEntryInfo.icon)
+        rootView = view
+        // Hide only the first time
+        if (savedInstanceState == null) {
+            view.isVisible = false
         }
+        templateView = view.findViewById(R.id.template_view)
+        attachmentsContainerView = view.findViewById(R.id.entry_attachments_container)
+        attachmentsListView = view.findViewById(R.id.entry_attachments_list)
 
-        entryUserNameView = rootView.findViewById(R.id.entry_edit_user_name)
-        entryUrlView = rootView.findViewById(R.id.entry_edit_url)
-        entryPasswordLayoutView = rootView.findViewById(R.id.entry_edit_container_password)
-        entryPasswordView = rootView.findViewById(R.id.entry_edit_password)
-        entryPasswordGeneratorView = rootView.findViewById(R.id.entry_edit_password_generator_button)
-        entryPasswordGeneratorView.setOnClickListener {
-            setOnPasswordGeneratorClickListener?.onClick(it)
-        }
-        entryExpirationView = rootView.findViewById(R.id.entry_edit_expiration)
-        entryExpirationView.setOnDateClickListener = setOnDateClickListener
-
-        entryNotesView = rootView.findViewById(R.id.entry_edit_notes)
-
-        extraFieldsContainerView = rootView.findViewById(R.id.extra_fields_container)
-        extraFieldsListView = rootView.findViewById(R.id.extra_fields_list)
-
-        attachmentsContainerView = rootView.findViewById(R.id.entry_attachments_container)
-        attachmentsListView = rootView.findViewById(R.id.entry_attachments_list)
         attachmentsAdapter = EntryAttachmentsItemsAdapter(requireContext())
-        // TODO retrieve current database with its unique key
-        attachmentsAdapter.database = Database.getInstance()
-        //attachmentsAdapter.database = arguments?.getInt(KEY_DATABASE)
-        attachmentsAdapter.onListSizeChangedListener = { previousSize, newSize ->
-            if (previousSize > 0 && newSize == 0) {
-                attachmentsContainerView.collapse(true)
-            } else if (previousSize == 0 && newSize == 1) {
-                attachmentsContainerView.expand(true)
-            }
-        }
         attachmentsListView.apply {
             layoutManager = LinearLayoutManager(context, LinearLayoutManager.VERTICAL, false)
             adapter = attachmentsAdapter
             (itemAnimator as SimpleItemAnimator).supportsChangeAnimations = false
         }
 
-        // Retrieve the textColor to tint the icon
+        templateView.apply {
-        val taIconColor = contextThemed?.theme?.obtainStyledAttributes(intArrayOf(android.R.attr.textColor))
+            setOnIconClickListener {
-        iconColor = taIconColor?.getColor(0, Color.WHITE) ?: Color.WHITE
+                mEntryEditViewModel.requestIconSelection(templateView.getIcon())
-        taIconColor?.recycle()
+            }
-
+            setOnCustomEditionActionClickListener { field ->
-        rootView?.resetAppTimeoutWhenViewFocusedOrChanged(requireContext())
+                mEntryEditViewModel.requestCustomFieldEdition(field)
-
+            }
-        // Retrieve the new entry after an orientation change
+            setOnPasswordGenerationActionClickListener { field ->
-        if (arguments?.containsKey(KEY_TEMP_ENTRY_INFO) == true)
+                mEntryEditViewModel.requestPasswordSelection(field)
-            mEntryInfo = arguments?.getParcelable(KEY_TEMP_ENTRY_INFO) ?: mEntryInfo
+            }
-        else if (savedInstanceState?.containsKey(KEY_TEMP_ENTRY_INFO) == true) {
+            setOnDateInstantClickListener { dateInstant ->
-            mEntryInfo = savedInstanceState.getParcelable(KEY_TEMP_ENTRY_INFO) ?: mEntryInfo
+                mEntryEditViewModel.requestDateTimeSelection(dateInstant)
+            }
         }
 
-        if (savedInstanceState?.containsKey(KEY_LAST_FOCUSED_FIELD) == true) {
+        if (savedInstanceState != null) {
-            mLastFocusedEditField = savedInstanceState.getParcelable(KEY_LAST_FOCUSED_FIELD) ?: mLastFocusedEditField
+            val attachments: List<Attachment> =
+                savedInstanceState.getParcelableArrayList(ATTACHMENTS_TAG) ?: listOf()
+            setAttachments(attachments)
         }
 
-        populateViewsWithEntry()
+        mEntryEditViewModel.onTemplateChanged.observe(viewLifecycleOwner) { template ->
+            templateView.setTemplate(template)
+        }
 
-        return rootView
+        mEntryEditViewModel.templatesEntry.observe(viewLifecycleOwner) { templateEntry ->
-    }
+            templateView.setTemplate(templateEntry.defaultTemplate)
+            // Load entry info only the first time to keep change locally
+            if (savedInstanceState == null) {
+                assignEntryInfo(templateEntry.entryInfo)
+            }
+            // To prevent flickering
+            rootView.showByFading()
+            // Apply timeout reset
+            resetAppTimeoutWhenViewFocusedOrChanged(rootView)
+        }
 
-    override fun onDetach() {
+        mEntryEditViewModel.requestEntryInfoUpdate.observe(viewLifecycleOwner) {
-        super.onDetach()
+            mEntryEditViewModel.saveEntryInfo(it.database, it.entry, it.parent, retrieveEntryInfo())
+        }
 
-        drawFactory = null
+        mEntryEditViewModel.onIconSelected.observe(viewLifecycleOwner) { iconImage ->
-        setOnDateClickListener = null
+            templateView.setIcon(iconImage)
-        setOnPasswordGeneratorClickListener = null
+        }
-        setOnIconViewClickListener = null
-        setOnRemoveAttachment = null
-        setOnEditCustomField = null
-    }
 
-    fun getEntryInfo(): EntryInfo {
+        mEntryEditViewModel.onPasswordSelected.observe(viewLifecycleOwner) { passwordField ->
-        populateEntryWithViews()
+            templateView.setPasswordField(passwordField)
-        return mEntryInfo
+        }
-    }
 
-    fun generatePasswordEducationPerformed(entryEditActivityEducation: EntryEditActivityEducation): Boolean {
+        mEntryEditViewModel.onDateSelected.observe(viewLifecycleOwner) { viewModelDate ->
-        return entryEditActivityEducation.checkAndPerformedGeneratePasswordEducation(
+            // Save the date
-                entryPasswordGeneratorView,
+            templateView.setCurrentDateTimeValue(viewModelDate)
-                {
+        }
-                    GeneratePasswordDialogFragment().show(parentFragmentManager, "PasswordGeneratorFragment")
+
-                },
+        mEntryEditViewModel.onTimeSelected.observe(viewLifecycleOwner) { viewModelTime ->
-                {
+            // Save the time
-                    try {
+            templateView.setCurrentTimeValue(viewModelTime)
-                        (activity as? EntryEditActivity?)?.performedNextEducation(entryEditActivityEducation)
+        }
-                    } catch (ignore: Exception) {}
+
+        mEntryEditViewModel.onCustomFieldEdited.observe(viewLifecycleOwner) { fieldAction ->
+            val oldField = fieldAction.oldField
+            val newField = fieldAction.newField
+            // Field to add
+            if (oldField == null) {
+                newField?.let {
+                    if (!templateView.putCustomField(it)) {
+                        mEntryEditViewModel.showCustomFieldEditionError()
+                    }
                 }
-        )
-    }
-
-    private fun populateViewsWithEntry() {
-        // Set info in view
-        icon = mEntryInfo.icon
-        title = mEntryInfo.title
-        username = mEntryInfo.username
-        url = mEntryInfo.url
-        password = mEntryInfo.password
-        expires = mEntryInfo.expires
-        expiryTime = mEntryInfo.expiryTime
-        notes = mEntryInfo.notes
-        assignExtraFields(mEntryInfo.customFields) { fields ->
-            setOnEditCustomField?.invoke(fields)
-        }
-        assignAttachments(mEntryInfo.attachments, StreamDirection.UPLOAD) { attachment ->
-            setOnRemoveAttachment?.invoke(attachment)
-        }
-    }
-
-    private fun populateEntryWithViews() {
-        // Icon already populate
-        mEntryInfo.title = title
-        mEntryInfo.username = username
-        mEntryInfo.url = url
-        mEntryInfo.password = password
-        mEntryInfo.expires = expires
-        mEntryInfo.expiryTime = expiryTime
-        mEntryInfo.notes = notes
-        mEntryInfo.customFields = getExtraFields()
-        mEntryInfo.otpModel = OtpEntryFields.parseFields { key ->
-            getExtraFields().firstOrNull { it.name == key }?.protectedValue?.toString()
-        }?.otpModel
-        mEntryInfo.attachments = getAttachments()
-    }
-
-    var title: String
-        get() {
-            return entryTitleView.text.toString()
-        }
-        set(value) {
-            entryTitleView.setText(value)
-            if (fontInVisibility)
-                entryTitleView.applyFontVisibility()
-        }
-
-    var icon: IconImage
-        get() {
-            return mEntryInfo.icon
-        }
-        set(value) {
-            mEntryInfo.icon = value
-            drawFactory?.assignDatabaseIcon(entryIconView, value, iconColor)
-        }
-
-    var username: String
-        get() {
-            return entryUserNameView.text.toString()
-        }
-        set(value) {
-            entryUserNameView.setText(value)
-            if (fontInVisibility)
-                entryUserNameView.applyFontVisibility()
-        }
-
-    var url: String
-        get() {
-            return entryUrlView.text.toString()
-        }
-        set(value) {
-            entryUrlView.setText(value)
-            if (fontInVisibility)
-                entryUrlView.applyFontVisibility()
-        }
-
-    var password: String
-        get() {
-            return entryPasswordView.text.toString()
-        }
-        set(value) {
-            entryPasswordView.setText(value)
-            if (fontInVisibility) {
-                entryPasswordView.applyFontVisibility()
             }
-        }
+            // Field to replace
-
+            oldField?.let {
-    var expires: Boolean
+                newField?.let {
-        get() {
+                    if (!templateView.replaceCustomField(oldField, newField)) {
-            return entryExpirationView.expires
+                        mEntryEditViewModel.showCustomFieldEditionError()
-        }
+                    }
-        set(value) {
+                }
-            entryExpirationView.expires = value
-        }
-
-    var expiryTime: DateInstant
-        get() {
-            return entryExpirationView.expiryTime
-        }
-        set(value) {
-            entryExpirationView.expiryTime = value
-        }
-
-    var notes: String
-        get() {
-            return entryNotesView.text.toString()
-        }
-        set(value) {
-            entryNotesView.setText(value)
-            if (fontInVisibility)
-                entryNotesView.applyFontVisibility()
-        }
-
-    /* -------------
-     * Extra Fields
-     * -------------
-     */
-
-    private var mExtraFieldsList: MutableList<Field> = ArrayList()
-    private var mOnEditButtonClickListener: ((item: Field)->Unit)? = null
-
-    private fun buildViewFromField(extraField: Field): View? {
-        val inflater = context?.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater?
-        val itemView: View? = inflater?.inflate(R.layout.item_entry_edit_extra_field, extraFieldsListView, false)
-        itemView?.id = View.NO_ID
-
-        val extraFieldValueContainer: TextInputLayout? = itemView?.findViewById(R.id.entry_extra_field_value_container)
-        extraFieldValueContainer?.endIconMode = if (extraField.protectedValue.isProtected)
-             TextInputLayout.END_ICON_PASSWORD_TOGGLE else TextInputLayout.END_ICON_NONE
-        extraFieldValueContainer?.hint = extraField.name
-        extraFieldValueContainer?.id = View.NO_ID
-
-        val extraFieldValue: TextInputEditText? = itemView?.findViewById(R.id.entry_extra_field_value)
-        extraFieldValue?.apply {
-            if (extraField.protectedValue.isProtected) {
-                inputType = extraFieldValue.inputType or EditorInfo.TYPE_TEXT_VARIATION_PASSWORD
             }
-            setText(extraField.protectedValue.toString())
+            // Field to remove
-            if (fontInVisibility)
+            if (newField == null) {
-                applyFontVisibility()
+                oldField?.let {
-        }
+                    templateView.removeCustomField(it)
-        extraFieldValue?.id = View.NO_ID
-        extraFieldValue?.tag = "FIELD_VALUE_TAG"
-        if (mLastFocusedEditField?.field == extraField) {
-            mExtraViewToRequestFocus = extraFieldValue
-        }
-
-        val extraFieldEditButton: View? = itemView?.findViewById(R.id.entry_extra_field_edit)
-        extraFieldEditButton?.setOnClickListener {
-            mOnEditButtonClickListener?.invoke(extraField)
-        }
-        extraFieldEditButton?.id = View.NO_ID
-
-        return itemView
-    }
-
-    fun getExtraFields(): List<Field> {
-        mLastFocusedEditField = null
-        for (index in 0 until extraFieldsListView.childCount) {
-            val extraFieldValue: EditText = extraFieldsListView.getChildAt(index)
-                    .findViewWithTag("FIELD_VALUE_TAG")
-            val extraField = mExtraFieldsList[index]
-            extraField.protectedValue.stringValue = extraFieldValue.text?.toString() ?: ""
-            if (extraFieldValue.isFocused) {
-                mLastFocusedEditField = FocusedEditField().apply {
-                    field = extraField
-                    cursorSelectionStart = extraFieldValue.selectionStart
-                    cursorSelectionEnd = extraFieldValue.selectionEnd
                 }
             }
         }
-        return mExtraFieldsList
-    }
 
-    /**
+        mEntryEditViewModel.requestSetupOtp.observe(viewLifecycleOwner) {
-     * Remove all children and add new views for each field
+            // Retrieve the current otpElement if exists
-     */
+            // and open the dialog to set up the OTP
-    fun assignExtraFields(fields: List<Field>,
+            SetOTPDialogFragment.build(templateView.getEntryInfo().otpModel)
-                          onEditButtonClickListener: ((item: Field)->Unit)?) {
+                .show(parentFragmentManager, "addOTPDialog")
-        extraFieldsContainerView.visibility = if (fields.isEmpty()) View.GONE else View.VISIBLE
-        // Reinit focused field
-        mExtraFieldsList.clear()
-        mExtraFieldsList.addAll(fields)
-        extraFieldsListView.removeAllViews()
-        fields.forEach {
-            extraFieldsListView.addView(buildViewFromField(it))
         }
-        // Request last focus
+
-        mLastFocusedEditField?.let { focusField ->
+        mEntryEditViewModel.onOtpCreated.observe(viewLifecycleOwner) {
-            mExtraViewToRequestFocus?.apply {
+            // Update the otp field with otpauth:// url
-                requestFocus()
+            templateView.putOtpElement(it)
-                setSelection(focusField.cursorSelectionStart,
-                                focusField.cursorSelectionEnd)
-            }
         }
-        mLastFocusedEditField = null
-        mOnEditButtonClickListener = onEditButtonClickListener
-    }
 
-    /**
+        mEntryEditViewModel.onBuildNewAttachment.observe(viewLifecycleOwner) {
-     * Update an extra field or create a new one if doesn't exists, the old value is lost
+            val attachmentToUploadUri = it.attachmentToUploadUri
-     */
+            val fileName = it.fileName
-    fun putExtraField(extraField: Field) {
-        extraFieldsContainerView.visibility = View.VISIBLE
-        val oldField = mExtraFieldsList.firstOrNull { it.name == extraField.name }
-        oldField?.let {
-            val index = mExtraFieldsList.indexOf(oldField)
-            mExtraFieldsList.removeAt(index)
-            mExtraFieldsList.add(index, extraField)
-            extraFieldsListView.removeViewAt(index)
-            val newView = buildViewFromField(extraField)
-            extraFieldsListView.addView(newView, index)
-            newView?.requestFocus()
-        } ?: kotlin.run {
-            mExtraFieldsList.add(extraField)
-            val newView = buildViewFromField(extraField)
-            extraFieldsListView.addView(newView)
-            newView?.requestFocus()
-        }
-    }
 
-    /**
+            buildNewBinaryAttachment()?.let { binaryAttachment ->
-     * Update an extra field and keep the old value
+                val entryAttachment = Attachment(fileName, binaryAttachment)
-     */
+                // Ask to replace the current attachment
-    fun replaceExtraField(oldExtraField: Field, newExtraField: Field) {
+                if ((!mAllowMultipleAttachments
-        extraFieldsContainerView.visibility = View.VISIBLE
+                            && containsAttachment()) ||
-        val index = mExtraFieldsList.indexOf(oldExtraField)
+                    containsAttachment(EntryAttachmentState(entryAttachment, StreamDirection.UPLOAD))) {
-        val oldValueEditText: EditText = extraFieldsListView.getChildAt(index)
+                    ReplaceFileDialogFragment.build(attachmentToUploadUri, entryAttachment)
-                .findViewWithTag("FIELD_VALUE_TAG")
+                        .show(parentFragmentManager, "replacementFileFragment")
-        val oldValue = oldValueEditText.text.toString()
+                } else {
-        val newExtraFieldWithOldValue = Field(newExtraField).apply {
+                    mEntryEditViewModel.startUploadAttachment(attachmentToUploadUri, entryAttachment)
-            this.protectedValue.stringValue = oldValue
-        }
-        mExtraFieldsList.removeAt(index)
-        mExtraFieldsList.add(index, newExtraFieldWithOldValue)
-        extraFieldsListView.removeViewAt(index)
-        val newView = buildViewFromField(newExtraFieldWithOldValue)
-        extraFieldsListView.addView(newView, index)
-        newView?.requestFocus()
-    }
-
-    fun removeExtraField(oldExtraField: Field) {
-        val previousSize = mExtraFieldsList.size
-        val index = mExtraFieldsList.indexOf(oldExtraField)
-        extraFieldsListView.getChildAt(index)?.let {
-            it.collapse(true) {
-                mExtraFieldsList.removeAt(index)
-                extraFieldsListView.removeViewAt(index)
-                val newSize = mExtraFieldsList.size
-
-                if (previousSize > 0 && newSize == 0) {
-                    extraFieldsContainerView.collapse(true)
-                } else if (previousSize == 0 && newSize == 1) {
-                    extraFieldsContainerView.expand(true)
                 }
             }
         }
+
+        mEntryEditViewModel.onAttachmentAction.observe(viewLifecycleOwner) { entryAttachmentState ->
+            when (entryAttachmentState?.downloadState) {
+                AttachmentState.START -> {
+                    putAttachment(entryAttachmentState)
+                    getAttachmentViewPosition(entryAttachmentState) { attachment, position ->
+                        mEntryEditViewModel.binaryPreviewLoaded(attachment, position)
+                    }
+                }
+                AttachmentState.IN_PROGRESS -> {
+                    putAttachment(entryAttachmentState)
+                }
+                AttachmentState.COMPLETE -> {
+                    putAttachment(entryAttachmentState) { entryAttachment ->
+                        getAttachmentViewPosition(entryAttachment) { attachment, position ->
+                            mEntryEditViewModel.binaryPreviewLoaded(attachment, position)
+                        }
+                    }
+                    mEntryEditViewModel.onAttachmentAction(null)
+                }
+                AttachmentState.CANCELED,
+                AttachmentState.ERROR -> {
+                    removeAttachment(entryAttachmentState)
+                    mEntryEditViewModel.onAttachmentAction(null)
+                }
+                else -> {}
+            }
+        }
+    }
+
+    override fun onDatabaseRetrieved(database: Database?) {
+
+        templateView.populateIconMethod = { imageView, icon ->
+            database?.iconDrawableFactory?.assignDatabaseIcon(imageView, icon, mIconColor)
+        }
+
+        mAllowMultipleAttachments = database?.allowMultipleAttachments == true
+
+        attachmentsAdapter?.database = database
+        attachmentsAdapter?.onListSizeChangedListener = { previousSize, newSize ->
+            if (previousSize > 0 && newSize == 0) {
+                attachmentsContainerView.collapse(true)
+            } else if (previousSize == 0 && newSize == 1) {
+                attachmentsContainerView.expand(true)
+            }
+        }
+    }
+
+    private fun assignEntryInfo(entryInfo: EntryInfo?) {
+        // Populate entry views
+        templateView.setEntryInfo(entryInfo)
+
+        // Manage attachments
+        setAttachments(entryInfo?.attachments ?: listOf())
+    }
+
+    private fun retrieveEntryInfo(): EntryInfo {
+        val entryInfo = templateView.getEntryInfo()
+        entryInfo.attachments = getAttachments().toMutableList()
+        return entryInfo
     }
 
     /* -------------
@@ -451,78 +275,84 @@ class EntryEditFragment: StylishFragment() {
      * -------------
      */
 
-    fun getAttachments(): List<Attachment> {
+    private fun getAttachments(): List<Attachment> {
-        return attachmentsAdapter.itemsList.map { it.attachment }
+        return attachmentsAdapter?.itemsList?.map { it.attachment } ?: listOf()
     }
 
-    fun assignAttachments(attachments: List<Attachment>,
+    private fun setAttachments(attachments: List<Attachment>) {
-                          streamDirection: StreamDirection,
-                          onDeleteItem: (attachment: Attachment)->Unit) {
         attachmentsContainerView.visibility = if (attachments.isEmpty()) View.GONE else View.VISIBLE
-        attachmentsAdapter.assignItems(attachments.map { EntryAttachmentState(it, streamDirection) })
+        attachmentsAdapter?.assignItems(attachments.map {
-        attachmentsAdapter.onDeleteButtonClickListener = { item ->
+            EntryAttachmentState(it, StreamDirection.UPLOAD)
-            onDeleteItem.invoke(item.attachment)
+        })
+        attachmentsAdapter?.onDeleteButtonClickListener = { item ->
+            val attachment = item.attachment
+            removeAttachment(EntryAttachmentState(attachment, StreamDirection.DOWNLOAD))
+            mEntryEditViewModel.deleteAttachment(attachment)
         }
     }
 
-    fun containsAttachment(): Boolean {
+    private fun containsAttachment(): Boolean {
-        return !attachmentsAdapter.isEmpty()
+        return attachmentsAdapter?.isEmpty() != true
     }
 
-    fun containsAttachment(attachment: EntryAttachmentState): Boolean {
+    private fun containsAttachment(attachment: EntryAttachmentState): Boolean {
-        return attachmentsAdapter.contains(attachment)
+        return attachmentsAdapter?.contains(attachment) ?: false
     }
 
-    fun putAttachment(attachment: EntryAttachmentState,
+    private fun putAttachment(attachment: EntryAttachmentState,
-                      onPreviewLoaded: (()-> Unit)? = null) {
+                              onPreviewLoaded: ((attachment: EntryAttachmentState) -> Unit)? = null) {
+        // When only one attachment is allowed
+        if (!mAllowMultipleAttachments
+            && attachment.downloadState == AttachmentState.START) {
+            attachmentsAdapter?.clear()
+        }
         attachmentsContainerView.visibility = View.VISIBLE
-        attachmentsAdapter.putItem(attachment)
+        attachmentsAdapter?.putItem(attachment)
-        attachmentsAdapter.onBinaryPreviewLoaded = {
+        attachmentsAdapter?.onBinaryPreviewLoaded = {
-            onPreviewLoaded?.invoke()
+            onPreviewLoaded?.invoke(attachment)
         }
     }
 
-    fun removeAttachment(attachment: EntryAttachmentState) {
+    private fun removeAttachment(attachment: EntryAttachmentState) {
-        attachmentsAdapter.removeItem(attachment)
+        attachmentsAdapter?.removeItem(attachment)
     }
 
-    fun clearAttachments() {
+    private fun getAttachmentViewPosition(attachment: EntryAttachmentState,
-        attachmentsAdapter.clear()
+                                          position: (attachment: EntryAttachmentState, Float) -> Unit) {
-    }
-
-    fun getAttachmentViewPosition(attachment: EntryAttachmentState, position: (Float) -> Unit) {
         attachmentsListView.postDelayed({
-            position.invoke(attachmentsContainerView.y
+            attachmentsAdapter?.indexOf(attachment)?.let { index ->
-                    + attachmentsListView.y
+                position.invoke(attachment,
-                    + (attachmentsListView.getChildAt(attachmentsAdapter.indexOf(attachment))?.y
+                    attachmentsContainerView.y
-                    ?: 0F)
+                        + attachmentsListView.y
-            )
+                        + (attachmentsListView.getChildAt(index)?.y
+                        ?: 0F)
+                )
+            }
         }, 250)
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
-        populateEntryWithViews()
-        outState.putParcelable(KEY_TEMP_ENTRY_INFO, mEntryInfo)
-        outState.putParcelable(KEY_LAST_FOCUSED_FIELD, mLastFocusedEditField)
-
         super.onSaveInstanceState(outState)
+        outState.putParcelableArrayList(ATTACHMENTS_TAG, ArrayList(getAttachments()))
+    }
+
+    /* -------------
+     * Education
+     * -------------
+     */
+
+    fun getActionImageView(): View? {
+        return templateView.getActionImageView()
+    }
+
+    fun launchGeneratePasswordEductionAction() {
+        mEntryEditViewModel.requestPasswordSelection(templateView.getPasswordField())
     }
 
     companion object {
-        const val KEY_TEMP_ENTRY_INFO = "KEY_TEMP_ENTRY_INFO"
+        private val TAG = EntryEditFragment::class.java.name
-        const val KEY_DATABASE = "KEY_DATABASE"
-        const val KEY_LAST_FOCUSED_FIELD = "KEY_LAST_FOCUSED_FIELD"
 
-        fun getInstance(entryInfo: EntryInfo?): EntryEditFragment {
+        private const val ATTACHMENTS_TAG = "ATTACHMENTS_TAG"
-                        //database: Database?): EntryEditFragment {
-            return EntryEditFragment().apply {
-                arguments = Bundle().apply {
-                    putParcelable(KEY_TEMP_ENTRY_INFO, entryInfo)
-                    // TODO Unique database key database.key
-                    putInt(KEY_DATABASE, 0)
-                }
-            }
-        }
     }
 
 }

app/src/main/java/com/kunzisoft/keepass/activities/fragments/EntryFragment.kt

@@ -0,0 +1,254 @@
+package com.kunzisoft.keepass.activities.fragments
+
+import android.content.DialogInterface
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.appcompat.app.AlertDialog
+import androidx.core.view.isVisible
+import androidx.fragment.app.activityViewModels
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.SimpleItemAnimator
+import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.adapters.EntryAttachmentsItemsAdapter
+import com.kunzisoft.keepass.database.element.Attachment
+import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.database.element.DateInstant
+import com.kunzisoft.keepass.database.element.template.TemplateField
+import com.kunzisoft.keepass.model.EntryAttachmentState
+import com.kunzisoft.keepass.model.EntryInfo
+import com.kunzisoft.keepass.model.StreamDirection
+import com.kunzisoft.keepass.settings.PreferencesUtil
+import com.kunzisoft.keepass.timeout.ClipboardHelper
+import com.kunzisoft.keepass.utils.UuidUtil
+import com.kunzisoft.keepass.view.TemplateView
+import com.kunzisoft.keepass.view.showByFading
+import com.kunzisoft.keepass.viewmodels.EntryViewModel
+import java.util.*
+
+class EntryFragment: DatabaseFragment() {
+
+    private lateinit var rootView: View
+    private lateinit var templateView: TemplateView
+
+    private lateinit var creationDateView: TextView
+    private lateinit var modificationDateView: TextView
+
+    private lateinit var attachmentsContainerView: View
+    private lateinit var attachmentsListView: RecyclerView
+    private var attachmentsAdapter: EntryAttachmentsItemsAdapter? = null
+
+    private lateinit var uuidContainerView: View
+    private lateinit var uuidView: TextView
+    private lateinit var uuidReferenceView: TextView
+
+    private var mClipboardHelper: ClipboardHelper? = null
+
+    private val mEntryViewModel: EntryViewModel by activityViewModels()
+
+    override fun onCreateView(inflater: LayoutInflater,
+                              container: ViewGroup?,
+                              savedInstanceState: Bundle?): View? {
+        super.onCreateView(inflater, container, savedInstanceState)
+
+        return inflater.cloneInContext(contextThemed)
+            .inflate(R.layout.fragment_entry, container, false)
+    }
+    
+    override fun onViewCreated(view: View,
+                               savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        context?.let { context ->
+            mClipboardHelper = ClipboardHelper(context)
+        }
+
+        rootView = view
+        // Hide only the first time
+        if (savedInstanceState == null) {
+            view.isVisible = false
+        }
+        templateView = view.findViewById(R.id.entry_template)
+        loadTemplateSettings()
+
+        attachmentsContainerView = view.findViewById(R.id.entry_attachments_container)
+        attachmentsListView = view.findViewById(R.id.entry_attachments_list)
+        attachmentsListView.apply {
+            layoutManager = LinearLayoutManager(context, LinearLayoutManager.VERTICAL, false)
+            (itemAnimator as SimpleItemAnimator).supportsChangeAnimations = false
+        }
+
+        creationDateView = view.findViewById(R.id.entry_created)
+        modificationDateView = view.findViewById(R.id.entry_modified)
+
+        uuidContainerView = view.findViewById(R.id.entry_UUID_container)
+        uuidContainerView.apply {
+            visibility = if (PreferencesUtil.showUUID(context)) View.VISIBLE else View.GONE
+        }
+        uuidView = view.findViewById(R.id.entry_UUID)
+        uuidReferenceView = view.findViewById(R.id.entry_UUID_reference)
+
+        mEntryViewModel.template.observe(viewLifecycleOwner) { template ->
+            templateView.setTemplate(template)
+        }
+
+        mEntryViewModel.entryInfo.observe(viewLifecycleOwner) { entryInfo ->
+            assignEntryInfo(entryInfo)
+            // Smooth appearing
+            rootView.showByFading()
+            resetAppTimeoutWhenViewFocusedOrChanged(rootView)
+        }
+
+        mEntryViewModel.onAttachmentAction.observe(viewLifecycleOwner) { entryAttachmentState ->
+            entryAttachmentState?.let {
+                if (it.streamDirection != StreamDirection.UPLOAD) {
+                    putAttachment(it)
+                }
+            }
+        }
+    }
+
+    override fun onDatabaseRetrieved(database: Database?) {
+        context?.let { context ->
+            attachmentsAdapter = EntryAttachmentsItemsAdapter(context)
+            attachmentsAdapter?.database = database
+        }
+
+        attachmentsListView.adapter = attachmentsAdapter
+    }
+
+    private fun loadTemplateSettings() {
+        context?.let { context ->
+            templateView.setFirstTimeAskAllowCopyProtectedFields(PreferencesUtil.isFirstTimeAskAllowCopyProtectedFields(context))
+            templateView.setAllowCopyProtectedFields(PreferencesUtil.allowCopyProtectedFields(context))
+        }
+    }
+
+    private fun assignEntryInfo(entryInfo: EntryInfo?) {
+        // Set copy buttons
+        templateView.apply {
+            setOnAskCopySafeClickListener {
+                showClipboardDialog()
+            }
+
+            setOnCopyActionClickListener { field ->
+                mClipboardHelper?.timeoutCopyToClipboard(
+                    field.protectedValue.stringValue,
+                    getString(
+                        R.string.copy_field,
+                        TemplateField.getLocalizedName(context, field.name)
+                    )
+                )
+            }
+        }
+
+        // Populate entry views
+        templateView.setEntryInfo(entryInfo)
+
+        // OTP timer updated
+        templateView.setOnOtpElementUpdated { otpElementUpdated ->
+            mEntryViewModel.onOtpElementUpdated(otpElementUpdated)
+        }
+
+        // Manage attachments
+        assignAttachments(entryInfo?.attachments ?: listOf())
+
+        // Assign dates
+        assignCreationDate(entryInfo?.creationTime)
+        assignModificationDate(entryInfo?.lastModificationTime)
+
+        // Assign special data
+        assignUUID(entryInfo?.id)
+    }
+
+    private fun showClipboardDialog() {
+        context?.let {
+            AlertDialog.Builder(it)
+                .setMessage(
+                    getString(R.string.allow_copy_password_warning) +
+                            "\n\n" +
+                            getString(R.string.clipboard_warning)
+                )
+                .create().apply {
+                    setButton(AlertDialog.BUTTON_POSITIVE, getText(R.string.enable)) { dialog, _ ->
+                        PreferencesUtil.setAllowCopyPasswordAndProtectedFields(context, true)
+                        finishDialog(dialog)
+                    }
+                    setButton(AlertDialog.BUTTON_NEGATIVE, getText(R.string.disable)) { dialog, _ ->
+                        PreferencesUtil.setAllowCopyPasswordAndProtectedFields(context, false)
+                        finishDialog(dialog)
+                    }
+                    show()
+                }
+        }
+    }
+
+    private fun finishDialog(dialog: DialogInterface) {
+        dialog.dismiss()
+        loadTemplateSettings()
+        templateView.reload()
+    }
+
+    private fun assignCreationDate(date: DateInstant?) {
+        creationDateView.text = date?.getDateTimeString(resources)
+    }
+
+    private fun assignModificationDate(date: DateInstant?) {
+        modificationDateView.text = date?.getDateTimeString(resources)
+    }
+
+    private fun assignUUID(uuid: UUID?) {
+        uuidView.text = uuid?.toString()
+        uuidReferenceView.text = UuidUtil.toHexString(uuid)
+    }
+
+    /* -------------
+     * Attachments
+     * -------------
+     */
+
+    private fun assignAttachments(attachments: List<Attachment>) {
+        attachmentsContainerView.visibility = if (attachments.isEmpty()) View.GONE else View.VISIBLE
+        attachmentsAdapter?.assignItems(attachments.map {
+            EntryAttachmentState(it, StreamDirection.DOWNLOAD)
+        })
+        attachmentsAdapter?.onItemClickListener = { item ->
+            mEntryViewModel.onAttachmentSelected(item.attachment)
+        }
+    }
+
+    fun putAttachment(attachmentToDownload: EntryAttachmentState) {
+        attachmentsAdapter?.putItem(attachmentToDownload)
+    }
+
+    /* -------------
+     * Education
+     * -------------
+     */
+
+    fun firstEntryFieldCopyView(): View? {
+        return try {
+            templateView.getActionImageView()
+        } catch (e: Exception) {
+            null
+        }
+    }
+
+    fun launchEntryCopyEducationAction() {
+        val appNameString = getString(R.string.app_name)
+        mClipboardHelper?.timeoutCopyToClipboard(appNameString,
+            getString(R.string.copy_field, appNameString))
+    }
+
+    companion object {
+
+        fun getInstance(): EntryFragment {
+            return EntryFragment().apply {
+                arguments = Bundle()
+            }
+        }
+    }
+}

app/src/main/java/com/kunzisoft/keepass/activities/fragments/EntryHistoryFragment.kt

@@ -0,0 +1,70 @@
+package com.kunzisoft.keepass.activities.fragments
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.activityViewModels
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.activities.stylish.StylishFragment
+import com.kunzisoft.keepass.adapters.EntryHistoryAdapter
+import com.kunzisoft.keepass.model.EntryInfo
+import com.kunzisoft.keepass.viewmodels.EntryViewModel
+
+class EntryHistoryFragment: StylishFragment() {
+
+    private lateinit var historyContainerView: View
+    private lateinit var historyListView: RecyclerView
+    private var historyAdapter: EntryHistoryAdapter? = null
+
+    private val mEntryViewModel: EntryViewModel by activityViewModels()
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        super.onCreateView(inflater, container, savedInstanceState)
+
+        return inflater.cloneInContext(contextThemed)
+            .inflate(R.layout.fragment_entry_history, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        context?.let { context ->
+            historyAdapter = EntryHistoryAdapter(context)
+        }
+
+        historyContainerView = view.findViewById(R.id.entry_history_container)
+        historyListView = view.findViewById(R.id.entry_history_list)
+        historyListView.apply {
+            layoutManager = LinearLayoutManager(context, LinearLayoutManager.VERTICAL, true)
+            adapter = historyAdapter
+        }
+
+        mEntryViewModel.entryHistory.observe(viewLifecycleOwner) {
+            assignHistory(it)
+        }
+    }
+
+    /* -------------
+     * History
+     * -------------
+     */
+    private fun assignHistory(history: List<EntryInfo>) {
+        historyAdapter?.clear()
+        historyAdapter?.entryHistoryList?.addAll(history)
+        historyAdapter?.onItemClickListener = { item, position ->
+            mEntryViewModel.onHistorySelected(item, position)
+        }
+        historyContainerView.visibility = if (historyAdapter?.entryHistoryList?.isEmpty() != false)
+            View.GONE
+        else
+            View.VISIBLE
+        historyAdapter?.notifyDataSetChanged()
+    }
+}

app/src/main/java/com/kunzisoft/keepass/activities/fragments/GroupFragment.kt

@@ -25,34 +25,40 @@ import android.os.Bundle
 import android.util.Log
 import android.view.*
 import androidx.appcompat.view.ActionMode
+import androidx.fragment.app.activityViewModels
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView.SCROLL_STATE_IDLE
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.EntryEditActivity
 import com.kunzisoft.keepass.activities.dialogs.SortDialogFragment
 import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
-import com.kunzisoft.keepass.activities.helpers.ReadOnlyHelper
 import com.kunzisoft.keepass.activities.helpers.SpecialMode
-import com.kunzisoft.keepass.activities.stylish.StylishFragment
 import com.kunzisoft.keepass.adapters.NodeAdapter
 import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.element.Group
 import com.kunzisoft.keepass.database.element.SortNodeEnum
 import com.kunzisoft.keepass.database.element.node.Node
+import com.kunzisoft.keepass.database.element.node.NodeId
 import com.kunzisoft.keepass.database.element.node.Type
 import com.kunzisoft.keepass.settings.PreferencesUtil
+import com.kunzisoft.keepass.tasks.ActionRunnable
+import com.kunzisoft.keepass.viewmodels.GroupViewModel
 import java.util.*
 
-class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionListener {
+class GroupFragment : DatabaseFragment(), SortDialogFragment.SortSelectionListener {
 
     private var nodeClickListener: NodeClickListener? = null
     private var onScrollListener: OnScrollListener? = null
 
     private var mNodesRecyclerView: RecyclerView? = null
-    var mainGroup: Group? = null
+    private var mLayoutManager: LinearLayoutManager? = null
-        private set
     private var mAdapter: NodeAdapter? = null
 
+    private val mGroupViewModel: GroupViewModel by activityViewModels()
+
+    private var mCurrentGroup: Group? = null
+
     var nodeActionSelectionMode = false
         private set
     var nodeActionPasteMode: PasteMode = PasteMode.UNDEFINED
@@ -63,13 +69,27 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
     private var notFoundView: View? = null
     private var isASearchResult: Boolean = false
 
-
-    private var readOnly: Boolean = false
     private var specialMode: SpecialMode = SpecialMode.DEFAULT
 
+    private var mRecycleBinEnable: Boolean = false
+    private var mRecycleBin: Group? = null
+
     val isEmpty: Boolean
         get() = mAdapter == null || mAdapter?.itemCount?:0 <= 0
 
+    private var mRecycleViewScrollListener = object : RecyclerView.OnScrollListener() {
+        override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
+            super.onScrollStateChanged(recyclerView, newState)
+            if (newState == SCROLL_STATE_IDLE) {
+                mGroupViewModel.assignPosition(getFirstVisiblePosition())
+            }
+        }
+        override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
+            super.onScrolled(recyclerView, dx, dy)
+            onScrollListener?.onScrolled(dy)
+        }
+    }
+
     override fun onAttach(context: Context) {
         super.onAttach(context)
         try {
@@ -100,128 +120,136 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
         super.onCreate(savedInstanceState)
 
         setHasOptionsMenu(true)
+    }
 
-        readOnly = ReadOnlyHelper.retrieveReadOnlyFromInstanceStateOrArguments(savedInstanceState, arguments)
+    override fun onDatabaseRetrieved(database: Database?) {
-
+        mRecycleBinEnable = database?.isRecycleBinEnabled == true
-        arguments?.let { args ->
+        mRecycleBin = database?.recycleBin
-            // Contains all the group in element
-            if (args.containsKey(GROUP_KEY)) {
-                mainGroup = args.getParcelable(GROUP_KEY)
-            }
-            if (args.containsKey(IS_SEARCH)) {
-                isASearchResult = args.getBoolean(IS_SEARCH)
-            }
-        }
 
         contextThemed?.let { context ->
-            mAdapter = NodeAdapter(context)
+            database?.let { database ->
-            mAdapter?.apply {
+                mAdapter = NodeAdapter(context, database).apply {
-                setOnNodeClickListener(object : NodeAdapter.NodeClickCallback {
+                    setOnNodeClickListener(object : NodeAdapter.NodeClickCallback {
-                    override fun onNodeClick(node: Node) {
+                        override fun onNodeClick(database: Database, node: Node) {
-                        if (nodeActionSelectionMode) {
+                            if (nodeActionSelectionMode) {
-                            if (listActionNodes.contains(node)) {
+                                if (listActionNodes.contains(node)) {
-                                // Remove selected item if already selected
+                                    // Remove selected item if already selected
-                                listActionNodes.remove(node)
+                                    listActionNodes.remove(node)
+                                } else {
+                                    // Add selected item if not already selected
+                                    listActionNodes.add(node)
+                                }
+                                nodeClickListener?.onNodeSelected(database, listActionNodes)
+                                setActionNodes(listActionNodes)
+                                notifyNodeChanged(node)
                             } else {
-                                // Add selected item if not already selected
+                                nodeClickListener?.onNodeClick(database, node)
-                                listActionNodes.add(node)
                             }
-                            nodeClickListener?.onNodeSelected(listActionNodes)
-                            setActionNodes(listActionNodes)
-                            notifyNodeChanged(node)
-                        } else {
-                            nodeClickListener?.onNodeClick(node)
                         }
-                    }
 
-                    override fun onNodeLongClick(node: Node): Boolean {
+                        override fun onNodeLongClick(database: Database, node: Node): Boolean {
-                        if (nodeActionPasteMode == PasteMode.UNDEFINED) {
+                            if (nodeActionPasteMode == PasteMode.UNDEFINED) {
-                            // Select the first item after a long click
+                                // Select the first item after a long click
-                            if (!listActionNodes.contains(node))
+                                if (!listActionNodes.contains(node))
-                                listActionNodes.add(node)
+                                    listActionNodes.add(node)
 
-                            nodeClickListener?.onNodeSelected(listActionNodes)
+                                nodeClickListener?.onNodeSelected(database, listActionNodes)
 
-                            setActionNodes(listActionNodes)
+                                setActionNodes(listActionNodes)
-                            notifyNodeChanged(node)
+                                notifyNodeChanged(node)
+                            }
+                            return true
                         }
-                        return true
+                    })
-                    }
+                }
-                })
+                mNodesRecyclerView?.adapter = mAdapter
             }
         }
     }
 
-    override fun onSaveInstanceState(outState: Bundle) {
+    override fun onDatabaseActionFinished(
-        ReadOnlyHelper.onSaveInstanceState(outState, readOnly)
+        database: Database,
-        super.onSaveInstanceState(outState)
+        actionTask: String,
+        result: ActionRunnable.Result
+    ) {
+        super.onDatabaseActionFinished(database, actionTask, result)
+
+        // Too many special cases to make specific additions or deletions,
+        // rebuilt the list works well.
+        if (result.isSuccess) {
+            rebuildList()
+        }
     }
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         super.onCreateView(inflater, container, savedInstanceState)
-
         // To apply theme
-        val rootView = inflater.cloneInContext(contextThemed)
+        return inflater.cloneInContext(contextThemed)
-                .inflate(R.layout.fragment_list_nodes, container, false)
+                .inflate(R.layout.fragment_group, container, false)
-        mNodesRecyclerView = rootView.findViewById(R.id.nodes_list)
+    }
-        notFoundView = rootView.findViewById(R.id.not_found_container)
 
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        mNodesRecyclerView = view.findViewById(R.id.nodes_list)
+        notFoundView = view.findViewById(R.id.not_found_container)
+
+        mLayoutManager = LinearLayoutManager(context)
         mNodesRecyclerView?.apply {
             scrollBarStyle = View.SCROLLBARS_INSIDE_INSET
-            layoutManager = LinearLayoutManager(context)
+            layoutManager = mLayoutManager
             adapter = mAdapter
         }
+        resetAppTimeoutWhenViewFocusedOrChanged(view)
 
-        onScrollListener?.let { onScrollListener ->
+        mGroupViewModel.group.observe(viewLifecycleOwner) {
-            mNodesRecyclerView?.addOnScrollListener(object : RecyclerView.OnScrollListener() {
+            mCurrentGroup = it.group
-                override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
+            isASearchResult = it.group.isVirtual
-                    super.onScrolled(recyclerView, dx, dy)
+            rebuildList()
-                    onScrollListener.onScrolled(dy)
+            it.showFromPosition?.let { position ->
-                }
+                mNodesRecyclerView?.scrollToPosition(position)
-            })
+            }
         }
-
-        return rootView
     }
 
     override fun onResume() {
         super.onResume()
 
+        mNodesRecyclerView?.addOnScrollListener(mRecycleViewScrollListener)
         activity?.intent?.let {
             specialMode = EntrySelectionHelper.retrieveSpecialModeFromIntent(it)
         }
 
-        // Refresh data
+        rebuildList()
-        try {
+    }
-            rebuildList()
-        } catch (e: Exception) {
-            Log.e(TAG, "Unable to rebuild the list during resume")
-            e.printStackTrace()
-        }
 
-        if (isASearchResult && mAdapter!= null && mAdapter!!.isEmpty) {
+    override fun onPause() {
-            // To show the " no search entry found "
+
-            mNodesRecyclerView?.visibility = View.GONE
+        mNodesRecyclerView?.removeOnScrollListener(mRecycleViewScrollListener)
-            notFoundView?.visibility = View.VISIBLE
+        super.onPause()
-        } else {
+    }
-            mNodesRecyclerView?.visibility = View.VISIBLE
+
-            notFoundView?.visibility = View.GONE
+    fun getFirstVisiblePosition(): Int {
-        }
+        return mLayoutManager?.findFirstVisibleItemPosition() ?: 0
     }
 
     @Throws(IllegalArgumentException::class)
-    fun rebuildList() {
+    private fun rebuildList() {
-        // Add elements to the list
+        try {
-        mainGroup?.let { mainGroup ->
+            // Add elements to the list
-            mAdapter?.apply {
+            mCurrentGroup?.let { mainGroup ->
                 // Thrown an exception when sort cannot be performed
-                rebuildList(mainGroup)
+                mAdapter?.rebuildList(mainGroup)
-                // To visually change the elements
-                if (PreferencesUtil.APPEARANCE_CHANGED) {
-                    notifyDataSetChanged()
-                    PreferencesUtil.APPEARANCE_CHANGED = false
-                }
             }
+        } catch (e:Exception) {
+            Log.e(TAG, "Unable to rebuild the list", e)
+        }
+
+        if (isASearchResult && mAdapter != null && mAdapter!!.isEmpty) {
+            // To show the " no search entry found "
+            notFoundView?.visibility = View.VISIBLE
+        } else {
+            notFoundView?.visibility = View.GONE
         }
     }
 
@@ -237,8 +265,7 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
             mAdapter?.notifyChangeSort(sortNodeEnum, sortNodeParameters)
             rebuildList()
         } catch (e:Exception) {
-            Log.e(TAG, "Unable to rebuild the list with the sort")
+            Log.e(TAG, "Unable to sort the list", e)
-            e.printStackTrace()
         }
     }
 
@@ -254,7 +281,7 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
             R.id.menu_sort -> {
                 context?.let { context ->
                     val sortDialogFragment: SortDialogFragment =
-                            if (Database.getInstance().isRecycleBinEnabled) {
+                            if (mRecycleBinEnable) {
                                 SortDialogFragment.getInstance(
                                         PreferencesUtil.getListSort(context),
                                         PreferencesUtil.getAscendingSort(context),
@@ -276,34 +303,32 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
         }
     }
 
-    fun actionNodesCallback(nodes: List<Node>,
+    fun actionNodesCallback(database: Database,
+                            nodes: List<Node>,
                             menuListener: NodesActionMenuListener?,
-                            actionModeCallback: ActionMode.Callback) : ActionMode.Callback {
+                            onDestroyActionMode: (mode: ActionMode?) -> Unit) : ActionMode.Callback {
 
         return object : ActionMode.Callback {
 
             override fun onCreateActionMode(mode: ActionMode?, menu: Menu?): Boolean {
                 nodeActionSelectionMode = false
                 nodeActionPasteMode = PasteMode.UNDEFINED
-                return actionModeCallback.onCreateActionMode(mode, menu)
+                return true
             }
 
             override fun onPrepareActionMode(mode: ActionMode?, menu: Menu?): Boolean {
                 menu?.clear()
-
                 if (nodeActionPasteMode != PasteMode.UNDEFINED) {
                     mode?.menuInflater?.inflate(R.menu.node_paste_menu, menu)
                 } else {
                     nodeActionSelectionMode = true
                     mode?.menuInflater?.inflate(R.menu.node_menu, menu)
 
-                    val database = Database.getInstance()
-
                     // Open and Edit for a single item
                     if (nodes.size == 1) {
                         // Edition
-                        if (readOnly
+                        if (database.isReadOnly
-                                || (database.isRecycleBinEnabled && nodes[0] == database.recycleBin)) {
+                                || (mRecycleBinEnable && nodes[0] == mRecycleBin)) {
                             menu?.removeItem(R.id.menu_edit)
                         }
                     } else {
@@ -311,56 +336,59 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
                         menu?.removeItem(R.id.menu_edit)
                     }
 
-                    // Copy and Move (not for groups)
+                    // Move
-                    if (readOnly
+                    if (database.isReadOnly
-                            || isASearchResult
+                            || isASearchResult) {
-                            || nodes.any { it.type == Type.GROUP }) {
-                        // TODO Copy For Group
-                        menu?.removeItem(R.id.menu_copy)
                         menu?.removeItem(R.id.menu_move)
                     }
 
+                    // Copy (not allowed for group)
+                    if (database.isReadOnly
+                            || isASearchResult
+                            || nodes.any { it.type == Type.GROUP }) {
+                        menu?.removeItem(R.id.menu_copy)
+                    }
+
                     // Deletion
-                    if (readOnly
+                    if (database.isReadOnly
-                            || (database.isRecycleBinEnabled && nodes.any { it == database.recycleBin })) {
+                            || (mRecycleBinEnable && nodes.any { it == mRecycleBin })) {
                         menu?.removeItem(R.id.menu_delete)
                     }
                 }
 
                 // Add the number of items selected in title
                 mode?.title = nodes.size.toString()
-
+                return true
-                return actionModeCallback.onPrepareActionMode(mode, menu)
             }
 
             override fun onActionItemClicked(mode: ActionMode?, item: MenuItem?): Boolean {
                 if (menuListener == null)
                     return false
                 return when (item?.itemId) {
-                    R.id.menu_open -> menuListener.onOpenMenuClick(nodes[0])
+                    R.id.menu_open -> menuListener.onOpenMenuClick(database, nodes[0])
-                    R.id.menu_edit -> menuListener.onEditMenuClick(nodes[0])
+                    R.id.menu_edit -> menuListener.onEditMenuClick(database, nodes[0])
                     R.id.menu_copy -> {
                         nodeActionPasteMode = PasteMode.PASTE_FROM_COPY
                         mAdapter?.unselectActionNodes()
-                        val returnValue = menuListener.onCopyMenuClick(nodes)
+                        val returnValue = menuListener.onCopyMenuClick(database, nodes)
                         nodeActionSelectionMode = false
                         returnValue
                     }
                     R.id.menu_move -> {
                         nodeActionPasteMode = PasteMode.PASTE_FROM_MOVE
                         mAdapter?.unselectActionNodes()
-                        val returnValue = menuListener.onMoveMenuClick(nodes)
+                        val returnValue = menuListener.onMoveMenuClick(database, nodes)
                         nodeActionSelectionMode = false
                         returnValue
                     }
-                    R.id.menu_delete -> menuListener.onDeleteMenuClick(nodes)
+                    R.id.menu_delete -> menuListener.onDeleteMenuClick(database, nodes)
                     R.id.menu_paste -> {
-                        val returnValue = menuListener.onPasteMenuClick(nodeActionPasteMode, nodes)
+                        val returnValue = menuListener.onPasteMenuClick(database, nodeActionPasteMode, nodes)
                         nodeActionPasteMode = PasteMode.UNDEFINED
                         nodeActionSelectionMode = false
                         returnValue
                     }
-                    else -> actionModeCallback.onActionItemClicked(mode, item)
+                    else -> false
                 }
             }
 
@@ -370,7 +398,7 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
                 mAdapter?.unselectActionNodes()
                 nodeActionPasteMode = PasteMode.UNDEFINED
                 nodeActionSelectionMode = false
-                actionModeCallback.onDestroyActionMode(mode)
+                onDestroyActionMode(mode)
             }
         }
     }
@@ -380,73 +408,40 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
 
         when (requestCode) {
             EntryEditActivity.ADD_OR_UPDATE_ENTRY_REQUEST_CODE -> {
-                if (resultCode == EntryEditActivity.ADD_ENTRY_RESULT_CODE
+                if (resultCode == EntryEditActivity.ADD_OR_UPDATE_ENTRY_RESULT_CODE) {
-                        || resultCode == EntryEditActivity.UPDATE_ENTRY_RESULT_CODE) {
+                    data?.getParcelableExtra<NodeId<UUID>>(EntryEditActivity.ADD_OR_UPDATE_ENTRY_KEY)?.let {
-                    data?.getParcelableExtra<Node>(EntryEditActivity.ADD_OR_UPDATE_ENTRY_KEY)?.let { changedNode ->
+                        // Simply refresh the list
-                        if (resultCode == EntryEditActivity.ADD_ENTRY_RESULT_CODE)
+                        rebuildList()
-                            addNode(changedNode)
+                        // Scroll to the new entry
-                        if (resultCode == EntryEditActivity.UPDATE_ENTRY_RESULT_CODE)
+                        mDatabase?.getEntryById(it)?.let { entry ->
-                            mAdapter?.notifyDataSetChanged()
+                            mAdapter?.indexOf(entry)?.let { position ->
+                                mNodesRecyclerView?.scrollToPosition(position)
+                            }
+                        }
                     } ?: Log.e(this.javaClass.name, "New node can be retrieve in Activity Result")
                 }
             }
         }
     }
 
-    fun contains(node: Node): Boolean {
-        return mAdapter?.contains(node) ?: false
-    }
-
-    fun addNode(newNode: Node) {
-        mAdapter?.addNode(newNode)
-    }
-
-    fun addNodes(newNodes: List<Node>) {
-        mAdapter?.addNodes(newNodes)
-    }
-
-    fun updateNode(oldNode: Node, newNode: Node? = null) {
-        mAdapter?.updateNode(oldNode, newNode ?: oldNode)
-    }
-
-    fun updateNodes(oldNodes: List<Node>, newNodes: List<Node>) {
-        mAdapter?.updateNodes(oldNodes, newNodes)
-    }
-
-    fun removeNode(pwNode: Node) {
-        mAdapter?.removeNode(pwNode)
-    }
-
-    fun removeNodes(nodes: List<Node>) {
-        mAdapter?.removeNodes(nodes)
-    }
-
-    fun removeNodeAt(position: Int) {
-        mAdapter?.removeNodeAt(position)
-    }
-
-    fun removeNodesAt(positions: IntArray) {
-        mAdapter?.removeNodesAt(positions)
-    }
-
     /**
      * Callback listener to redefine to do an action when a node is click
      */
     interface NodeClickListener {
-        fun onNodeClick(node: Node)
+        fun onNodeClick(database: Database, node: Node)
-        fun onNodeSelected(nodes: List<Node>): Boolean
+        fun onNodeSelected(database: Database, nodes: List<Node>): Boolean
     }
 
     /**
      * Menu listener to redefine to do an action in menu
      */
     interface NodesActionMenuListener {
-        fun onOpenMenuClick(node: Node): Boolean
+        fun onOpenMenuClick(database: Database, node: Node): Boolean
-        fun onEditMenuClick(node: Node): Boolean
+        fun onEditMenuClick(database: Database, node: Node): Boolean
-        fun onCopyMenuClick(nodes: List<Node>): Boolean
+        fun onCopyMenuClick(database: Database, nodes: List<Node>): Boolean
-        fun onMoveMenuClick(nodes: List<Node>): Boolean
+        fun onMoveMenuClick(database: Database, nodes: List<Node>): Boolean
-        fun onDeleteMenuClick(nodes: List<Node>): Boolean
+        fun onDeleteMenuClick(database: Database, nodes: List<Node>): Boolean
-        fun onPasteMenuClick(pasteMode: PasteMode?, nodes: List<Node>): Boolean
+        fun onPasteMenuClick(database: Database, pasteMode: PasteMode?, nodes: List<Node>): Boolean
     }
 
     enum class PasteMode {
@@ -465,22 +460,6 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
     }
 
     companion object {
-
+        private val TAG = GroupFragment::class.java.name
-        private val TAG = ListNodesFragment::class.java.name
-
-        private const val GROUP_KEY = "GROUP_KEY"
-        private const val IS_SEARCH = "IS_SEARCH"
-
-        fun newInstance(group: Group?, readOnly: Boolean, isASearch: Boolean): ListNodesFragment {
-            val bundle = Bundle()
-            if (group != null) {
-                bundle.putParcelable(GROUP_KEY, group)
-            }
-            bundle.putBoolean(IS_SEARCH, isASearch)
-            ReadOnlyHelper.putReadOnlyInBundle(bundle, readOnly)
-            val listNodesFragment = ListNodesFragment()
-            listNodesFragment.arguments = bundle
-            return listNodesFragment
-        }
     }
 }

app/src/main/java/com/kunzisoft/keepass/activities/fragments/IconCustomFragment.kt

@@ -22,6 +22,7 @@ package com.kunzisoft.keepass.activities.fragments
 import android.os.Bundle
 import android.view.View
 import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.element.icon.IconImageCustom
 
 
@@ -31,8 +32,8 @@ class IconCustomFragment : IconFragment<IconImageCustom>() {
         return R.layout.fragment_icon_grid
     }
 
-    override fun defineIconList() {
+    override fun defineIconList(database: Database?) {
-        mDatabase?.doForEachCustomIcons { customIcon, _ ->
+        database?.doForEachCustomIcons { customIcon, _ ->
             iconPickerAdapter.addIcon(customIcon, false)
         }
     }

app/src/main/java/com/kunzisoft/keepass/activities/fragments/IconFragment.kt

@@ -19,7 +19,6 @@
  */
 package com.kunzisoft.keepass.activities.fragments
 
-import android.content.Context
 import android.graphics.Color
 import android.os.Bundle
 import android.view.LayoutInflater
@@ -28,7 +27,6 @@ import android.view.ViewGroup
 import androidx.fragment.app.activityViewModels
 import androidx.recyclerview.widget.RecyclerView
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.activities.stylish.StylishFragment
 import com.kunzisoft.keepass.adapters.IconPickerAdapter
 import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.element.icon.IconImageDraw
@@ -38,39 +36,48 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 
-abstract class IconFragment<T: IconImageDraw> : StylishFragment(),
+abstract class IconFragment<T: IconImageDraw> : DatabaseFragment(),
         IconPickerAdapter.IconPickerListener<T> {
 
     protected lateinit var iconsGridView: RecyclerView
     protected lateinit var iconPickerAdapter: IconPickerAdapter<T>
     protected var iconActionSelectionMode = false
 
-    protected var mDatabase: Database? = null
-
     protected val iconPickerViewModel: IconPickerViewModel by activityViewModels()
 
     abstract fun retrieveMainLayoutId(): Int
 
-    abstract fun defineIconList()
+    abstract fun defineIconList(database: Database?)
 
-    override fun onAttach(context: Context) {
+    override fun onCreateView(inflater: LayoutInflater,
-        super.onAttach(context)
+                              container: ViewGroup?,
+                              savedInstanceState: Bundle?): View {
+        return inflater.inflate(retrieveMainLayoutId(), container, false)
+    }
 
-        mDatabase = Database.getInstance()
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
 
         // Retrieve the textColor to tint the icon
         val ta = contextThemed?.obtainStyledAttributes(intArrayOf(android.R.attr.textColor))
         val tintColor = ta?.getColor(0, Color.BLACK) ?: Color.BLACK
         ta?.recycle()
 
-        iconPickerAdapter = IconPickerAdapter<T>(context, tintColor).apply {
+        iconsGridView = view.findViewById(R.id.icons_grid_view)
-            iconDrawableFactory = mDatabase?.iconDrawableFactory
+        iconPickerAdapter = IconPickerAdapter(requireContext(), tintColor)
-        }
+        iconPickerAdapter.iconPickerListener = this
+        iconsGridView.adapter = iconPickerAdapter
+
+        resetAppTimeoutWhenViewFocusedOrChanged(view)
+    }
+
+    override fun onDatabaseRetrieved(database: Database?) {
+        iconPickerAdapter.iconDrawableFactory = database?.iconDrawableFactory
 
         CoroutineScope(Dispatchers.IO).launch {
             val populateList = launch {
                 iconPickerAdapter.clear()
-                defineIconList()
+                defineIconList(database)
             }
             withContext(Dispatchers.Main) {
                 populateList.join()
@@ -79,21 +86,6 @@ abstract class IconFragment<T: IconImageDraw> : StylishFragment(),
         }
     }
 
-    override fun onCreateView(inflater: LayoutInflater,
-                              container: ViewGroup?,
-                              savedInstanceState: Bundle?): View {
-        val root = inflater.inflate(retrieveMainLayoutId(), container, false)
-        iconsGridView = root.findViewById(R.id.icons_grid_view)
-        iconsGridView.adapter = iconPickerAdapter
-        return root
-    }
-
-    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        super.onViewCreated(view, savedInstanceState)
-
-        iconPickerAdapter.iconPickerListener = this
-    }
-
     fun onIconDeleteClicked() {
         iconActionSelectionMode = false
     }

app/src/main/java/com/kunzisoft/keepass/activities/fragments/IconPickerFragment.kt

@@ -9,20 +9,18 @@ import androidx.viewpager2.widget.ViewPager2
 import com.google.android.material.tabs.TabLayout
 import com.google.android.material.tabs.TabLayoutMediator
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.activities.stylish.StylishFragment
 import com.kunzisoft.keepass.adapters.IconPickerPagerAdapter
 import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.viewmodels.IconPickerViewModel
 
-class IconPickerFragment : StylishFragment() {
+class IconPickerFragment : DatabaseFragment() {
 
     private var iconPickerPagerAdapter: IconPickerPagerAdapter? = null
     private lateinit var viewPager: ViewPager2
+    private lateinit var tabLayout: TabLayout
 
     private val iconPickerViewModel: IconPickerViewModel by activityViewModels()
 
-    private var mDatabase: Database? = null
-
     override fun onCreateView(
             inflater: LayoutInflater,
             container: ViewGroup?,
@@ -32,19 +30,11 @@ class IconPickerFragment : StylishFragment() {
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        mDatabase = Database.getInstance()
+        super.onViewCreated(view, savedInstanceState)
 
         viewPager = view.findViewById(R.id.icon_picker_pager)
-        val tabLayout = view.findViewById<TabLayout>(R.id.icon_picker_tabs)
+        tabLayout = view.findViewById(R.id.icon_picker_tabs)
-        iconPickerPagerAdapter = IconPickerPagerAdapter(this,
+        resetAppTimeoutWhenViewFocusedOrChanged(view)
-                if (mDatabase?.allowCustomIcons == true) 2 else 1)
-        viewPager.adapter = iconPickerPagerAdapter
-        TabLayoutMediator(tabLayout, viewPager) { tab, position ->
-            tab.text = when (position) {
-                1 -> getString(R.string.icon_section_custom)
-                else -> getString(R.string.icon_section_standard)
-            }
-        }.attach()
 
         arguments?.apply {
             if (containsKey(ICON_TAB_ARG)) {
@@ -58,6 +48,18 @@ class IconPickerFragment : StylishFragment() {
         }
     }
 
+    override fun onDatabaseRetrieved(database: Database?) {
+        iconPickerPagerAdapter = IconPickerPagerAdapter(this,
+            if (database?.allowCustomIcons == true) 2 else 1)
+        viewPager.adapter = iconPickerPagerAdapter
+        TabLayoutMediator(tabLayout, viewPager) { tab, position ->
+            tab.text = when (position) {
+                1 -> getString(R.string.icon_section_custom)
+                else -> getString(R.string.icon_section_standard)
+            }
+        }.attach()
+    }
+
     enum class IconTab {
         STANDARD, CUSTOM
     }

app/src/main/java/com/kunzisoft/keepass/activities/fragments/IconStandardFragment.kt

@@ -20,6 +20,7 @@
 package com.kunzisoft.keepass.activities.fragments
 
 import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.element.icon.IconImageStandard
 
 
@@ -29,8 +30,8 @@ class IconStandardFragment : IconFragment<IconImageStandard>() {
         return R.layout.fragment_icon_grid
     }
 
-    override fun defineIconList() {
+    override fun defineIconList(database: Database?) {
-        mDatabase?.doForEachStandardIcons { standardIcon ->
+        database?.doForEachStandardIcons { standardIcon ->
             iconPickerAdapter.addIcon(standardIcon, false)
         }
     }

app/src/main/java/com/kunzisoft/keepass/activities/helpers/ExternalFileHelper.kt

@@ -0,0 +1,244 @@
+/*
+ * Copyright 2019 Jeremy Jamet / Kunzisoft.
+ *
+ * This file is part of KeePassDX.
+ *
+ *  KeePassDX is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  KeePassDX is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.kunzisoft.keepass.activities.helpers
+
+import android.annotation.SuppressLint
+import android.app.Activity.RESULT_OK
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.net.Uri
+import android.os.Build
+import android.util.Log
+import android.view.View
+import androidx.annotation.RequiresApi
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentActivity
+import com.kunzisoft.keepass.activities.dialogs.FileManagerDialogFragment
+import com.kunzisoft.keepass.utils.UriUtil
+
+class ExternalFileHelper {
+
+    private var activity: FragmentActivity? = null
+    private var fragment: Fragment? = null
+
+    constructor(context: FragmentActivity) {
+        this.activity = context
+        this.fragment = null
+    }
+
+    constructor(context: Fragment) {
+        this.activity = context.activity
+        this.fragment = context
+    }
+
+    fun openDocument(getContent: Boolean = false,
+                     typeString: String = "*/*") {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+            try {
+                if (getContent) {
+                    openActivityWithActionGetContent(typeString)
+                } else {
+                    openActivityWithActionOpenDocument(typeString)
+                }
+            } catch (e: Exception) {
+                Log.e(TAG, "Unable to open document", e)
+                showFileManagerDialogFragment()
+            }
+        } else {
+            showFileManagerDialogFragment()
+        }
+    }
+
+    @RequiresApi(Build.VERSION_CODES.KITKAT)
+    private fun openActivityWithActionOpenDocument(typeString: String) {
+        val intentOpenDocument = Intent(Intent.ACTION_OPEN_DOCUMENT).apply {
+            addCategory(Intent.CATEGORY_OPENABLE)
+            type = typeString
+            addFlags(Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION)
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+                addFlags(Intent.FLAG_GRANT_PREFIX_URI_PERMISSION)
+            }
+            addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+            addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
+        }
+        if (fragment != null)
+            fragment?.startActivityForResult(intentOpenDocument, OPEN_DOC)
+        else
+            activity?.startActivityForResult(intentOpenDocument, OPEN_DOC)
+    }
+
+    @RequiresApi(Build.VERSION_CODES.KITKAT)
+    private fun openActivityWithActionGetContent(typeString: String) {
+        val intentGetContent = Intent(Intent.ACTION_GET_CONTENT).apply {
+            addCategory(Intent.CATEGORY_OPENABLE)
+            type = typeString
+            addFlags(Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION)
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+                addFlags(Intent.FLAG_GRANT_PREFIX_URI_PERMISSION)
+            }
+            addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+            addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
+        }
+        if (fragment != null)
+            fragment?.startActivityForResult(intentGetContent, GET_CONTENT)
+        else
+            activity?.startActivityForResult(intentGetContent, GET_CONTENT)
+    }
+
+    /**
+     * To use in onActivityResultCallback in Fragment or Activity
+     * @param onFileSelected Callback retrieve from data
+     * @return true if requestCode was captured, false elsewhere
+     */
+    fun onOpenDocumentResult(requestCode: Int, resultCode: Int, data: Intent?,
+                             onFileSelected: ((uri: Uri?) -> Unit)?): Boolean {
+
+        when (requestCode) {
+            FILE_BROWSE -> {
+                if (resultCode == RESULT_OK) {
+                    val filename = data?.dataString
+                    var keyUri: Uri? = null
+                    if (filename != null) {
+                        keyUri = UriUtil.parse(filename)
+                    }
+                    onFileSelected?.invoke(keyUri)
+                }
+                return true
+            }
+            GET_CONTENT, OPEN_DOC -> {
+                if (resultCode == RESULT_OK) {
+                    if (data != null) {
+                        val uri = data.data
+                        if (uri != null) {
+                            UriUtil.takeUriPermission(activity?.contentResolver, uri)
+                            onFileSelected?.invoke(uri)
+                        }
+                    }
+                }
+                return true
+            }
+        }
+        return false
+    }
+
+    /**
+     * Show Browser dialog to select file picker app
+     */
+    private fun showFileManagerDialogFragment() {
+        try {
+            if (fragment != null) {
+                fragment?.parentFragmentManager
+            } else {
+                activity?.supportFragmentManager
+            }?.let { fragmentManager ->
+                FileManagerDialogFragment().show(fragmentManager, "browserDialog")
+            }
+        } catch (e: Exception) {
+            Log.e(TAG, "Can't open BrowserDialog", e)
+        }
+    }
+
+    fun createDocument(titleString: String,
+                       typeString: String = "application/octet-stream"): Int? {
+        val idCode = getUnusedCreateFileRequestCode()
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+            try {
+                val intent = Intent(Intent.ACTION_CREATE_DOCUMENT).apply {
+                    addCategory(Intent.CATEGORY_OPENABLE)
+                    type = typeString
+                    putExtra(Intent.EXTRA_TITLE, titleString)
+                }
+                if (fragment != null)
+                    fragment?.startActivityForResult(intent, idCode)
+                else
+                    activity?.startActivityForResult(intent, idCode)
+                return idCode
+            } catch (e: Exception) {
+                Log.e(TAG, "Unable to create document", e)
+                showFileManagerDialogFragment()
+            }
+        } else {
+            showFileManagerDialogFragment()
+        }
+        return null
+    }
+
+    /**
+     * To use in onActivityResultCallback in Fragment or Activity
+     * @param onFileCreated Callback retrieve from data
+     * @return true if requestCode was captured, false elsewhere
+     */
+    fun onCreateDocumentResult(requestCode: Int, resultCode: Int, data: Intent?,
+                               onFileCreated: (fileCreated: Uri?)->Unit) {
+        // Retrieve the created URI from the file manager
+        if (fileRequestCodes.contains(requestCode) && resultCode == RESULT_OK) {
+            onFileCreated.invoke(data?.data)
+            fileRequestCodes.remove(requestCode)
+        }
+    }
+
+    companion object {
+
+        private const val TAG = "OpenFileHelper"
+
+        private const val GET_CONTENT = 25745
+        private const val OPEN_DOC = 25845
+        private const val FILE_BROWSE = 25645
+
+        private var CREATE_FILE_REQUEST_CODE_DEFAULT = 3853
+        private var fileRequestCodes = ArrayList<Int>()
+
+        private fun getUnusedCreateFileRequestCode(): Int {
+            val newCreateFileRequestCode = CREATE_FILE_REQUEST_CODE_DEFAULT++
+            fileRequestCodes.add(newCreateFileRequestCode)
+            return newCreateFileRequestCode
+        }
+
+        @SuppressLint("InlinedApi")
+        fun allowCreateDocumentByStorageAccessFramework(packageManager: PackageManager,
+                                                        typeString: String = "application/octet-stream"): Boolean {
+            return when {
+                // To check if a custom file manager can manage the ACTION_CREATE_DOCUMENT
+                Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT -> {
+                    packageManager.queryIntentActivities(Intent(Intent.ACTION_CREATE_DOCUMENT).apply {
+                        addCategory(Intent.CATEGORY_OPENABLE)
+                        type = typeString
+                    }, PackageManager.MATCH_DEFAULT_ONLY).isNotEmpty()
+                }
+                else -> true
+            }
+        }
+    }
+}
+
+fun View.setOpenDocumentClickListener(externalFileHelper: ExternalFileHelper?) {
+    externalFileHelper?.let { fileHelper ->
+        setOnClickListener {
+            fileHelper.openDocument()
+        }
+        setOnLongClickListener {
+            fileHelper.openDocument(true)
+            true
+        }
+    } ?: kotlin.run {
+        setOnClickListener(null)
+        setOnLongClickListener(null)
+    }
+}

app/src/main/java/com/kunzisoft/keepass/activities/helpers/ReadOnlyHelper.kt

@@ -1,78 +0,0 @@
-/*
- * Copyright 2019 Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePassDX.
- *
- *  KeePassDX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePassDX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.activities.helpers
-
-import android.content.Context
-import android.content.Intent
-import android.os.Bundle
-
-import com.kunzisoft.keepass.settings.PreferencesUtil
-
-object ReadOnlyHelper {
-
-    private const val READ_ONLY_KEY = "READ_ONLY_KEY"
-
-    const val READ_ONLY_DEFAULT = false
-
-    fun retrieveReadOnlyFromIntent(intent: Intent): Boolean {
-        return intent.getBooleanExtra(READ_ONLY_KEY, READ_ONLY_DEFAULT)
-    }
-
-    fun retrieveReadOnlyFromInstanceStateOrPreference(context: Context, savedInstanceState: Bundle?): Boolean {
-        return if (savedInstanceState != null && savedInstanceState.containsKey(READ_ONLY_KEY)) {
-            savedInstanceState.getBoolean(READ_ONLY_KEY)
-        } else {
-            PreferencesUtil.enableReadOnlyDatabase(context)
-        }
-    }
-
-    fun retrieveReadOnlyFromInstanceStateOrArguments(savedInstanceState: Bundle?, arguments: Bundle?): Boolean {
-        var readOnly = READ_ONLY_DEFAULT
-        if (savedInstanceState != null && savedInstanceState.containsKey(READ_ONLY_KEY)) {
-            readOnly = savedInstanceState.getBoolean(READ_ONLY_KEY)
-        } else if (arguments != null && arguments.containsKey(READ_ONLY_KEY)) {
-            readOnly = arguments.getBoolean(READ_ONLY_KEY)
-        }
-        return readOnly
-    }
-
-    fun retrieveReadOnlyFromInstanceStateOrIntent(savedInstanceState: Bundle?, intent: Intent?): Boolean {
-        var readOnly = READ_ONLY_DEFAULT
-        if (savedInstanceState != null && savedInstanceState.containsKey(READ_ONLY_KEY)) {
-            readOnly = savedInstanceState.getBoolean(READ_ONLY_KEY)
-        } else {
-            if (intent != null)
-                readOnly = intent.getBooleanExtra(READ_ONLY_KEY, READ_ONLY_DEFAULT)
-        }
-        return readOnly
-    }
-
-    fun putReadOnlyInIntent(intent: Intent, readOnly: Boolean) {
-        intent.putExtra(READ_ONLY_KEY, readOnly)
-    }
-
-    fun putReadOnlyInBundle(bundle: Bundle, readOnly: Boolean) {
-        bundle.putBoolean(READ_ONLY_KEY, readOnly)
-    }
-
-    fun onSaveInstanceState(outState: Bundle, readOnly: Boolean) {
-        outState.putBoolean(READ_ONLY_KEY, readOnly)
-    }
-}

app/src/main/java/com/kunzisoft/keepass/activities/helpers/SelectFileHelper.kt

@@ -1,244 +0,0 @@
-/*
- * Copyright 2019 Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePassDX.
- *
- *  KeePassDX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePassDX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.activities.helpers
-
-import android.annotation.SuppressLint
-import android.app.Activity
-import android.app.Activity.RESULT_OK
-import android.content.Context
-import android.content.Intent
-import android.content.pm.PackageManager
-import android.net.Uri
-import android.os.Build
-import android.util.Log
-import android.view.MenuItem
-import android.view.View
-import androidx.fragment.app.Fragment
-import androidx.fragment.app.FragmentActivity
-import com.kunzisoft.keepass.activities.dialogs.FileManagerDialogFragment
-import com.kunzisoft.keepass.utils.UriUtil
-
-class SelectFileHelper {
-
-    private var activity: Activity? = null
-    private var fragment: Fragment? = null
-
-    val selectFileOnClickViewListener: SelectFileOnClickViewListener
-        get() = SelectFileOnClickViewListener()
-
-    constructor(context: Activity) {
-        this.activity = context
-        this.fragment = null
-    }
-
-    constructor(context: Fragment) {
-        this.activity = context.activity
-        this.fragment = context
-    }
-
-    inner class SelectFileOnClickViewListener :
-            View.OnClickListener,
-            View.OnLongClickListener,
-            MenuItem.OnMenuItemClickListener {
-
-        private fun onAbstractClick(longClick: Boolean = false) {
-            try {
-                if (longClick) {
-                    try {
-                        openActivityWithActionGetContent()
-                    } catch (e: Exception) {
-                        openActivityWithActionOpenDocument()
-                    }
-                } else {
-                    try {
-                        openActivityWithActionOpenDocument()
-                    } catch (e: Exception) {
-                        openActivityWithActionGetContent()
-                    }
-                }
-            } catch (e: Exception) {
-                Log.e(TAG, "Enable to start the file picker activity", e)
-                // Open browser dialog
-                if (lookForOpenIntentsFilePicker())
-                    showBrowserDialog()
-            }
-        }
-
-        override fun onClick(v: View) {
-            onAbstractClick()
-        }
-
-        override fun onLongClick(v: View?): Boolean {
-            onAbstractClick(true)
-            return true
-        }
-
-        override fun onMenuItemClick(item: MenuItem?): Boolean {
-            onAbstractClick()
-            return true
-        }
-    }
-
-    @SuppressLint("InlinedApi")
-    private fun openActivityWithActionOpenDocument() {
-        val intentOpenDocument = Intent(Intent.ACTION_OPEN_DOCUMENT).apply {
-            addCategory(Intent.CATEGORY_OPENABLE)
-            type = "*/*"
-            addFlags(Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION)
-            addFlags(Intent.FLAG_GRANT_PREFIX_URI_PERMISSION)
-            addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
-            addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
-        }
-        if (fragment != null)
-            fragment?.startActivityForResult(intentOpenDocument, OPEN_DOC)
-        else
-            activity?.startActivityForResult(intentOpenDocument, OPEN_DOC)
-    }
-
-    @SuppressLint("InlinedApi")
-    private fun openActivityWithActionGetContent() {
-        val intentGetContent = Intent(Intent.ACTION_GET_CONTENT).apply {
-            addCategory(Intent.CATEGORY_OPENABLE)
-            type = "*/*"
-            addFlags(Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION)
-            addFlags(Intent.FLAG_GRANT_PREFIX_URI_PERMISSION)
-            addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
-            addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
-        }
-        if (fragment != null)
-            fragment?.startActivityForResult(intentGetContent, GET_CONTENT)
-        else
-            activity?.startActivityForResult(intentGetContent, GET_CONTENT)
-    }
-
-    private fun lookForOpenIntentsFilePicker(): Boolean {
-        var showBrowser = false
-        try {
-            if (isIntentAvailable(activity!!, OPEN_INTENTS_FILE_BROWSE)) {
-                val intent = Intent(OPEN_INTENTS_FILE_BROWSE)
-                if (fragment != null)
-                    fragment?.startActivityForResult(intent, FILE_BROWSE)
-                else
-                    activity?.startActivityForResult(intent, FILE_BROWSE)
-            } else {
-                showBrowser = true
-            }
-        } catch (e: Exception) {
-            Log.w(TAG, "Enable to start OPEN_INTENTS_FILE_BROWSE", e)
-            showBrowser = true
-        }
-
-        return showBrowser
-    }
-
-    /**
-     * Indicates whether the specified action can be used as an intent. This
-     * method queries the package manager for installed packages that can
-     * respond to an intent with the specified action. If no suitable package is
-     * found, this method returns false.
-     *
-     * @param context The application's environment.
-     * @param action The Intent action to check for availability.
-     *
-     * @return True if an Intent with the specified action can be sent and
-     * responded to, false otherwise.
-     */
-    private fun isIntentAvailable(context: Context, action: String): Boolean {
-        val packageManager = context.packageManager
-        val intent = Intent(action)
-        val list = packageManager.queryIntentActivities(intent,
-                PackageManager.MATCH_DEFAULT_ONLY)
-        return list.size > 0
-    }
-
-    /**
-     * Show Browser dialog to select file picker app
-     */
-    private fun showBrowserDialog() {
-        try {
-            val fileManagerDialogFragment = FileManagerDialogFragment()
-            fragment?.let {
-                fileManagerDialogFragment.show(it.parentFragmentManager, "browserDialog")
-            } ?: fileManagerDialogFragment.show((activity as FragmentActivity).supportFragmentManager, "browserDialog")
-        } catch (e: Exception) {
-            Log.e(TAG, "Can't open BrowserDialog", e)
-        }
-    }
-
-    /**
-     * To use in onActivityResultCallback in Fragment or Activity
-     * @param keyFileCallback Callback retrieve from data
-     * @return true if requestCode was captured, false elsechere
-     */
-    fun onActivityResultCallback(
-            requestCode: Int,
-            resultCode: Int,
-            data: Intent?,
-            keyFileCallback: ((uri: Uri?) -> Unit)?): Boolean {
-
-        when (requestCode) {
-            FILE_BROWSE -> {
-                if (resultCode == RESULT_OK) {
-                    val filename = data?.dataString
-                    var keyUri: Uri? = null
-                    if (filename != null) {
-                        keyUri = UriUtil.parse(filename)
-                    }
-                    keyFileCallback?.invoke(keyUri)
-                }
-                return true
-            }
-            GET_CONTENT, OPEN_DOC -> {
-                if (resultCode == RESULT_OK) {
-                    if (data != null) {
-                        val uri = data.data
-                        if (uri != null) {
-                            try {
-                                // try to persist read and write permissions
-                                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-                                    activity?.contentResolver?.apply {
-                                        takePersistableUriPermission(uri, Intent.FLAG_GRANT_READ_URI_PERMISSION)
-                                        takePersistableUriPermission(uri, Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
-                                    }
-                                }
-                            } catch (e: Exception) {
-                                // nop
-                            }
-                            keyFileCallback?.invoke(uri)
-                        }
-                    }
-                }
-                return true
-            }
-        }
-        return false
-    }
-
-    companion object {
-
-        private const val TAG = "OpenFileHelper"
-
-        const val OPEN_INTENTS_FILE_BROWSE = "org.openintents.action.PICK_FILE"
-
-        private const val GET_CONTENT = 25745
-        private const val OPEN_DOC = 25845
-        private const val FILE_BROWSE = 25645
-    }
-}

app/src/main/java/com/kunzisoft/keepass/activities/legacy/DatabaseActivity.kt

@@ -0,0 +1,90 @@
+package com.kunzisoft.keepass.activities.legacy
+
+import android.net.Uri
+import android.os.Bundle
+import androidx.activity.viewModels
+import com.kunzisoft.keepass.activities.stylish.StylishActivity
+import com.kunzisoft.keepass.app.database.CipherDatabaseEntity
+import com.kunzisoft.keepass.database.action.DatabaseTaskProvider
+import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.database.element.Entry
+import com.kunzisoft.keepass.database.element.Group
+import com.kunzisoft.keepass.database.element.node.Node
+import com.kunzisoft.keepass.database.element.node.NodeId
+import com.kunzisoft.keepass.model.MainCredential
+import com.kunzisoft.keepass.tasks.ActionRunnable
+import com.kunzisoft.keepass.viewmodels.DatabaseViewModel
+import java.util.*
+
+abstract class DatabaseActivity: StylishActivity(), DatabaseRetrieval {
+
+    protected val mDatabaseViewModel: DatabaseViewModel by viewModels()
+    protected var mDatabaseTaskProvider: DatabaseTaskProvider? = null
+    protected var mDatabase: Database? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        mDatabaseTaskProvider = DatabaseTaskProvider(this)
+
+        mDatabaseTaskProvider?.onDatabaseRetrieved = { database ->
+            if (mDatabase == null || mDatabase != database) {
+                onDatabaseRetrieved(database)
+            }
+        }
+        mDatabaseTaskProvider?.onActionFinish = { database, actionTask, result ->
+            onDatabaseActionFinished(database, actionTask, result)
+        }
+    }
+
+    override fun onDatabaseRetrieved(database: Database?) {
+        mDatabase = database
+        mDatabaseViewModel.defineDatabase(database)
+        // optional method implementation
+    }
+
+    override fun onDatabaseActionFinished(
+        database: Database,
+        actionTask: String,
+        result: ActionRunnable.Result
+    ) {
+        mDatabaseViewModel.onActionFinished(database, actionTask, result)
+        // optional method implementation
+    }
+
+    fun createDatabase(databaseUri: Uri,
+                       mainCredential: MainCredential) {
+        mDatabaseTaskProvider?.startDatabaseCreate(databaseUri, mainCredential)
+    }
+
+    fun loadDatabase(databaseUri: Uri,
+                     mainCredential: MainCredential,
+                     readOnly: Boolean,
+                     cipherEntity: CipherDatabaseEntity?,
+                     fixDuplicateUuid: Boolean) {
+        mDatabaseTaskProvider?.startDatabaseLoad(databaseUri, mainCredential, readOnly, cipherEntity, fixDuplicateUuid)
+    }
+
+    protected fun closeDatabase() {
+        mDatabase?.clearAndClose(this)
+    }
+
+    override fun reloadActivity() {
+        super.reloadActivity()
+        mDatabase?.wasReloaded = false
+    }
+
+    override fun onResume() {
+        super.onResume()
+
+        if (mDatabase?.wasReloaded == true) {
+            reloadActivity()
+        }
+        mDatabaseTaskProvider?.registerProgressTask()
+    }
+
+    override fun onPause() {
+        mDatabaseTaskProvider?.unregisterProgressTask()
+        super.onPause()
+    }
+}

app/src/main/java/com/kunzisoft/keepass/activities/legacy/DatabaseLockActivity.kt

@@ -0,0 +1,479 @@
+/*
+ * Copyright 2019 Jeremy Jamet / Kunzisoft.
+ *     
+ * This file is part of KeePassDX.
+ *
+ *  KeePassDX is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  KeePassDX is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.kunzisoft.keepass.activities.legacy
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
+import android.view.MotionEvent
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Toast
+import androidx.activity.viewModels
+import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.activities.dialogs.DeleteNodesDialogFragment
+import com.kunzisoft.keepass.activities.dialogs.PasswordEncodingDialogFragment
+import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
+import com.kunzisoft.keepass.activities.helpers.SpecialMode
+import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.database.element.Entry
+import com.kunzisoft.keepass.database.element.Group
+import com.kunzisoft.keepass.database.element.node.Node
+import com.kunzisoft.keepass.database.element.node.NodeId
+import com.kunzisoft.keepass.icons.IconDrawableFactory
+import com.kunzisoft.keepass.model.GroupInfo
+import com.kunzisoft.keepass.model.MainCredential
+import com.kunzisoft.keepass.services.DatabaseTaskNotificationService
+import com.kunzisoft.keepass.settings.PreferencesUtil
+import com.kunzisoft.keepass.tasks.ActionRunnable
+import com.kunzisoft.keepass.timeout.TimeoutHelper
+import com.kunzisoft.keepass.utils.*
+import com.kunzisoft.keepass.view.showActionErrorIfNeeded
+import com.kunzisoft.keepass.viewmodels.NodesViewModel
+import java.util.*
+
+abstract class DatabaseLockActivity : DatabaseModeActivity(),
+    PasswordEncodingDialogFragment.Listener {
+
+    private val mNodesViewModel: NodesViewModel by viewModels()
+
+    protected var mTimeoutEnable: Boolean = true
+
+    private var mLockReceiver: LockReceiver? = null
+    private var mExitLock: Boolean = false
+
+    protected var mDatabaseReadOnly: Boolean = true
+    private var mAutoSaveEnable: Boolean = true
+
+    protected var mIconDrawableFactory: IconDrawableFactory? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        if (savedInstanceState != null
+            && savedInstanceState.containsKey(TIMEOUT_ENABLE_KEY)
+        ) {
+            mTimeoutEnable = savedInstanceState.getBoolean(TIMEOUT_ENABLE_KEY)
+        } else {
+            if (intent != null)
+                mTimeoutEnable =
+                    intent.getBooleanExtra(TIMEOUT_ENABLE_KEY, TIMEOUT_ENABLE_KEY_DEFAULT)
+        }
+
+        mNodesViewModel.nodesToPermanentlyDelete.observe(this) { nodes ->
+            deleteDatabaseNodes(nodes)
+        }
+
+        mDatabaseViewModel.saveDatabase.observe(this) { save ->
+            mDatabaseTaskProvider?.startDatabaseSave(save)
+        }
+
+        mDatabaseViewModel.reloadDatabase.observe(this) { fixDuplicateUuid ->
+            mDatabaseTaskProvider?.startDatabaseReload(fixDuplicateUuid)
+        }
+
+        mDatabaseViewModel.saveName.observe(this) {
+            mDatabaseTaskProvider?.startDatabaseSaveName(it.oldValue, it.newValue, it.save)
+        }
+
+        mDatabaseViewModel.saveDescription.observe(this) {
+            mDatabaseTaskProvider?.startDatabaseSaveDescription(it.oldValue, it.newValue, it.save)
+        }
+
+        mDatabaseViewModel.saveDefaultUsername.observe(this) {
+            mDatabaseTaskProvider?.startDatabaseSaveName(it.oldValue, it.newValue, it.save)
+        }
+
+        mDatabaseViewModel.saveColor.observe(this) {
+            mDatabaseTaskProvider?.startDatabaseSaveColor(it.oldValue, it.newValue, it.save)
+        }
+
+        mDatabaseViewModel.saveCompression.observe(this) {
+            mDatabaseTaskProvider?.startDatabaseSaveCompression(it.oldValue, it.newValue, it.save)
+        }
+
+        mDatabaseViewModel.removeUnlinkData.observe(this) {
+            mDatabaseTaskProvider?.startDatabaseRemoveUnlinkedData(it)
+        }
+
+        mDatabaseViewModel.saveRecycleBin.observe(this) {
+            mDatabaseTaskProvider?.startDatabaseSaveRecycleBin(it.oldValue, it.newValue, it.save)
+        }
+
+        mDatabaseViewModel.saveTemplatesGroup.observe(this) {
+            mDatabaseTaskProvider?.startDatabaseSaveTemplatesGroup(it.oldValue, it.newValue, it.save)
+        }
+
+        mDatabaseViewModel.saveMaxHistoryItems.observe(this) {
+            mDatabaseTaskProvider?.startDatabaseSaveMaxHistoryItems(it.oldValue, it.newValue, it.save)
+        }
+
+        mDatabaseViewModel.saveMaxHistorySize.observe(this) {
+            mDatabaseTaskProvider?.startDatabaseSaveMaxHistorySize(it.oldValue, it.newValue, it.save)
+        }
+
+        mDatabaseViewModel.saveEncryption.observe(this) {
+            mDatabaseTaskProvider?.startDatabaseSaveEncryption(it.oldValue, it.newValue, it.save)
+        }
+
+        mDatabaseViewModel.saveKeyDerivation.observe(this) {
+            mDatabaseTaskProvider?.startDatabaseSaveKeyDerivation(it.oldValue, it.newValue, it.save)
+        }
+
+        mDatabaseViewModel.saveIterations.observe(this) {
+            mDatabaseTaskProvider?.startDatabaseSaveIterations(it.oldValue, it.newValue, it.save)
+        }
+
+        mDatabaseViewModel.saveMemoryUsage.observe(this) {
+            mDatabaseTaskProvider?.startDatabaseSaveMemoryUsage(it.oldValue, it.newValue, it.save)
+        }
+
+        mDatabaseViewModel.saveParallelism.observe(this) {
+            mDatabaseTaskProvider?.startDatabaseSaveParallelism(it.oldValue, it.newValue, it.save)
+        }
+
+        mExitLock = false
+    }
+
+    open fun finishActivityIfDatabaseNotLoaded(): Boolean {
+        return true
+    }
+
+    override fun onDatabaseRetrieved(database: Database?) {
+        super.onDatabaseRetrieved(database)
+
+        // End activity if database not loaded
+        if (finishActivityIfDatabaseNotLoaded() && (database == null || !database.loaded)) {
+            finish()
+        }
+
+        // Focus view to reinitialize timeout,
+        // view is not necessary loaded so retry later in resume
+        viewToInvalidateTimeout()
+            ?.resetAppTimeoutWhenViewTouchedOrFocused(this, database?.loaded)
+
+        database?.let {
+            // check timeout
+            if (mTimeoutEnable) {
+                if (mLockReceiver == null) {
+                    mLockReceiver = LockReceiver {
+                        mDatabase = null
+                        closeDatabase(database)
+                        if (LOCKING_ACTIVITY_UI_VISIBLE_DURING_LOCK == null)
+                            LOCKING_ACTIVITY_UI_VISIBLE_DURING_LOCK = LOCKING_ACTIVITY_UI_VISIBLE
+                        // Add onActivityForResult response
+                        setResult(RESULT_EXIT_LOCK)
+                        closeOptionsMenu()
+                        finish()
+                    }
+                    registerLockReceiver(mLockReceiver)
+                }
+
+                // After the first creation
+                // or If simply swipe with another application
+                // If the time is out -> close the Activity
+                TimeoutHelper.checkTimeAndLockIfTimeout(this)
+                // If onCreate already record time
+                if (!mExitLock)
+                    TimeoutHelper.recordTime(this, database.loaded)
+            }
+
+            mDatabaseReadOnly = database.isReadOnly
+            mIconDrawableFactory = database.iconDrawableFactory
+
+            checkRegister()
+        }
+    }
+
+    abstract fun viewToInvalidateTimeout(): View?
+
+    override fun onDatabaseActionFinished(
+        database: Database,
+        actionTask: String,
+        result: ActionRunnable.Result
+    ) {
+        super.onDatabaseActionFinished(database, actionTask, result)
+        when (actionTask) {
+            DatabaseTaskNotificationService.ACTION_DATABASE_RELOAD_TASK -> {
+                // Reload the current activity
+                if (result.isSuccess) {
+                    reloadActivity()
+                } else {
+                    this.showActionErrorIfNeeded(result)
+                    finish()
+                }
+            }
+        }
+    }
+
+    override fun onPasswordEncodingValidateListener(databaseUri: Uri?,
+                                                    mainCredential: MainCredential) {
+        assignDatabasePassword(databaseUri, mainCredential)
+    }
+
+    private fun assignDatabasePassword(databaseUri: Uri?,
+                                       mainCredential: MainCredential) {
+        if (databaseUri != null) {
+            mDatabaseTaskProvider?.startDatabaseAssignPassword(databaseUri, mainCredential)
+        }
+    }
+
+    fun assignPassword(mainCredential: MainCredential) {
+        mDatabase?.let { database ->
+            database.fileUri?.let { databaseUri ->
+                // Show the progress dialog now or after dialog confirmation
+                if (database.validatePasswordEncoding(mainCredential)) {
+                    assignDatabasePassword(databaseUri, mainCredential)
+                } else {
+                    PasswordEncodingDialogFragment.getInstance(databaseUri, mainCredential)
+                        .show(supportFragmentManager, "passwordEncodingTag")
+                }
+            }
+        }
+    }
+
+    fun saveDatabase() {
+        mDatabaseTaskProvider?.startDatabaseSave(true)
+    }
+
+    fun reloadDatabase() {
+        mDatabaseTaskProvider?.startDatabaseReload(false)
+    }
+
+    fun createEntry(newEntry: Entry,
+                    parent: Group) {
+        mDatabaseTaskProvider?.startDatabaseCreateEntry(newEntry, parent, mAutoSaveEnable)
+    }
+
+    fun updateEntry(oldEntry: Entry,
+                    entryToUpdate: Entry) {
+        mDatabaseTaskProvider?.startDatabaseUpdateEntry(oldEntry, entryToUpdate, mAutoSaveEnable)
+    }
+
+    fun copyNodes(nodesToCopy: List<Node>,
+                  newParent: Group) {
+        mDatabaseTaskProvider?.startDatabaseCopyNodes(nodesToCopy, newParent, mAutoSaveEnable)
+    }
+
+    fun moveNodes(nodesToMove: List<Node>,
+                  newParent: Group) {
+        mDatabaseTaskProvider?.startDatabaseMoveNodes(nodesToMove, newParent, mAutoSaveEnable)
+    }
+
+    private fun eachNodeRecyclable(database: Database, nodes: List<Node>): Boolean {
+        return nodes.find { node ->
+            var cannotRecycle = true
+            if (node is Entry) {
+                cannotRecycle = !database.canRecycle(node)
+            } else if (node is Group) {
+                cannotRecycle = !database.canRecycle(node)
+            }
+            cannotRecycle
+        } == null
+    }
+
+    fun deleteNodes(nodes: List<Node>, recycleBin: Boolean = false) {
+        mDatabase?.let { database ->
+            // If recycle bin enabled, ensure it exists
+            if (database.isRecycleBinEnabled) {
+                database.ensureRecycleBinExists(resources)
+            }
+
+            // If recycle bin enabled and not in recycle bin, move in recycle bin
+            if (eachNodeRecyclable(database, nodes)) {
+                deleteDatabaseNodes(nodes)
+            }
+            // else open the dialog to confirm deletion
+            else {
+                DeleteNodesDialogFragment.getInstance(recycleBin)
+                    .show(supportFragmentManager, "deleteNodesDialogFragment")
+                mNodesViewModel.deleteNodes(nodes)
+            }
+        }
+    }
+
+    private fun deleteDatabaseNodes(nodes: List<Node>) {
+        mDatabaseTaskProvider?.startDatabaseDeleteNodes(nodes, mAutoSaveEnable)
+    }
+
+    fun createGroup(parent: Group,
+                    groupInfo: GroupInfo?) {
+        // Build the group
+        mDatabase?.createGroup()?.let { newGroup ->
+            groupInfo?.let { info ->
+                newGroup.setGroupInfo(info)
+            }
+            // Not really needed here because added in runnable but safe
+            newGroup.parent = parent
+            mDatabaseTaskProvider?.startDatabaseCreateGroup(newGroup, parent, mAutoSaveEnable)
+        }
+    }
+
+    fun updateGroup(oldGroup: Group,
+                    groupInfo: GroupInfo) {
+        // If group updated save it in the database
+        val updateGroup = Group(oldGroup).let { updateGroup ->
+            updateGroup.apply {
+                // WARNING remove parent and children to keep memory
+                removeParent()
+                removeChildren()
+                this.setGroupInfo(groupInfo)
+            }
+        }
+        mDatabaseTaskProvider?.startDatabaseUpdateGroup(oldGroup, updateGroup, mAutoSaveEnable)
+    }
+
+    fun restoreEntryHistory(mainEntryId: NodeId<UUID>,
+                            entryHistoryPosition: Int) {
+        mDatabaseTaskProvider
+            ?.startDatabaseRestoreEntryHistory(mainEntryId, entryHistoryPosition, mAutoSaveEnable)
+    }
+
+    fun deleteEntryHistory(mainEntryId: NodeId<UUID>,
+                           entryHistoryPosition: Int) {
+        mDatabaseTaskProvider?.startDatabaseDeleteEntryHistory(mainEntryId, entryHistoryPosition, mAutoSaveEnable)
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        if (resultCode == RESULT_EXIT_LOCK) {
+            mExitLock = true
+            lockAndExit()
+        }
+    }
+
+    private fun checkRegister() {
+        // If in ave or registration mode, don't allow read only
+        if ((mSpecialMode == SpecialMode.SAVE
+                    || mSpecialMode == SpecialMode.REGISTRATION)
+            && mDatabaseReadOnly) {
+            Toast.makeText(this, R.string.error_registration_read_only , Toast.LENGTH_LONG).show()
+            EntrySelectionHelper.removeModesFromIntent(intent)
+            finish()
+        }
+    }
+
+    override fun onResume() {
+        super.onResume()
+
+        // To refresh when back to normal workflow from selection workflow
+        mAutoSaveEnable = PreferencesUtil.isAutoSaveDatabaseEnabled(this)
+
+        // Invalidate timeout by touch
+        mDatabase?.let { database ->
+            viewToInvalidateTimeout()
+                ?.resetAppTimeoutWhenViewTouchedOrFocused(this, database.loaded)
+        }
+
+        invalidateOptionsMenu()
+
+        LOCKING_ACTIVITY_UI_VISIBLE = true
+    }
+
+    protected fun checkTimeAndLockIfTimeoutOrResetTimeout(action: (() -> Unit)? = null) {
+        TimeoutHelper.checkTimeAndLockIfTimeoutOrResetTimeout(this,
+            mDatabase?.loaded == true,
+            action)
+    }
+
+    override fun onSaveInstanceState(outState: Bundle) {
+        outState.putBoolean(TIMEOUT_ENABLE_KEY, mTimeoutEnable)
+        super.onSaveInstanceState(outState)
+    }
+
+    override fun onPause() {
+        LOCKING_ACTIVITY_UI_VISIBLE = false
+
+        super.onPause()
+
+        if (mTimeoutEnable) {
+            // If the time is out during our navigation in activity -> close the Activity
+            TimeoutHelper.checkTimeAndLockIfTimeout(this)
+        }
+    }
+
+    override fun onDestroy() {
+        unregisterLockReceiver(mLockReceiver)
+        super.onDestroy()
+    }
+
+    protected fun lockAndExit() {
+        sendBroadcast(Intent(LOCK_ACTION))
+    }
+
+    fun resetAppTimeout() {
+        TimeoutHelper.checkTimeAndLockIfTimeoutOrResetTimeout(this,
+            mDatabase?.loaded ?: false)
+    }
+
+    override fun onBackPressed() {
+        if (mTimeoutEnable) {
+            TimeoutHelper.checkTimeAndLockIfTimeoutOrResetTimeout(this,
+                mDatabase?.loaded == true) {
+                super.onBackPressed()
+            }
+        } else {
+            super.onBackPressed()
+        }
+    }
+
+    companion object {
+
+        const val TAG = "LockingActivity"
+
+        const val RESULT_EXIT_LOCK = 1450
+
+        const val TIMEOUT_ENABLE_KEY = "TIMEOUT_ENABLE_KEY"
+        const val TIMEOUT_ENABLE_KEY_DEFAULT = true
+
+        private var LOCKING_ACTIVITY_UI_VISIBLE = false
+        var LOCKING_ACTIVITY_UI_VISIBLE_DURING_LOCK: Boolean? = null
+    }
+}
+
+/**
+ * To reset the app timeout when a view is focused or changed
+ */
+@SuppressLint("ClickableViewAccessibility")
+fun View.resetAppTimeoutWhenViewTouchedOrFocused(context: Context, databaseLoaded: Boolean?) {
+    // Log.d(DatabaseLockActivity.TAG, "View prepared to reset app timeout")
+    setOnTouchListener { _, event ->
+        when (event.action) {
+            MotionEvent.ACTION_DOWN -> {
+                // Log.d(DatabaseLockActivity.TAG, "View touched, try to reset app timeout")
+                TimeoutHelper.checkTimeAndLockIfTimeoutOrResetTimeout(context,
+                    databaseLoaded ?: false)
+            }
+        }
+        false
+    }
+    setOnFocusChangeListener { _, _ ->
+        // Log.d(DatabaseLockActivity.TAG, "View focused, try to reset app timeout")
+        TimeoutHelper.checkTimeAndLockIfTimeoutOrResetTimeout(context,
+            databaseLoaded ?: false)
+    }
+    if (this is ViewGroup) {
+        for (i in 0..childCount) {
+            getChildAt(i)?.resetAppTimeoutWhenViewTouchedOrFocused(context, databaseLoaded)
+        }
+    }
+}

app/src/main/java/com/kunzisoft/keepass/activities/legacy/DatabaseModeActivity.kt

@@ -1,4 +1,4 @@
-package com.kunzisoft.keepass.activities.selection
+package com.kunzisoft.keepass.activities.legacy
 
 import android.os.Bundle
 import android.view.View
@@ -7,15 +7,14 @@ import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
 import com.kunzisoft.keepass.activities.helpers.SpecialMode
 import com.kunzisoft.keepass.activities.helpers.TypeMode
-import com.kunzisoft.keepass.activities.stylish.StylishActivity
 import com.kunzisoft.keepass.model.SearchInfo
 import com.kunzisoft.keepass.settings.PreferencesUtil
 import com.kunzisoft.keepass.view.SpecialModeView
 
 /**
- * Activity to manage special mode (ie: selection mode)
+ * Activity to manage database special mode (ie: selection mode)
  */
-abstract class SpecialModeActivity : StylishActivity() {
+abstract class DatabaseModeActivity : DatabaseActivity() {
 
     protected var mSpecialMode: SpecialMode = SpecialMode.DEFAULT
     private var mTypeMode: TypeMode = TypeMode.DEFAULT

app/src/main/java/com/kunzisoft/keepass/activities/legacy/DatabaseRetrieval.kt

@@ -0,0 +1,11 @@
+package com.kunzisoft.keepass.activities.legacy
+
+import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.tasks.ActionRunnable
+
+interface DatabaseRetrieval {
+    fun onDatabaseRetrieved(database: Database?)
+    fun onDatabaseActionFinished(database: Database,
+                                 actionTask: String,
+                                 result: ActionRunnable.Result)
+}

app/src/main/java/com/kunzisoft/keepass/activities/lock/LockingActivity.kt

@@ -1,215 +0,0 @@
-/*
- * Copyright 2019 Jeremy Jamet / Kunzisoft.
- *     
- * This file is part of KeePassDX.
- *
- *  KeePassDX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePassDX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.activities.lock
-
-import android.annotation.SuppressLint
-import android.content.Context
-import android.content.Intent
-import android.os.Bundle
-import android.view.MotionEvent
-import android.view.View
-import android.view.ViewGroup
-import android.widget.Toast
-import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
-import com.kunzisoft.keepass.activities.helpers.ReadOnlyHelper
-import com.kunzisoft.keepass.activities.helpers.SpecialMode
-import com.kunzisoft.keepass.activities.selection.SpecialModeActivity
-import com.kunzisoft.keepass.database.action.ProgressDatabaseTaskProvider
-import com.kunzisoft.keepass.database.element.Database
-import com.kunzisoft.keepass.settings.PreferencesUtil
-import com.kunzisoft.keepass.timeout.TimeoutHelper
-import com.kunzisoft.keepass.utils.*
-
-abstract class LockingActivity : SpecialModeActivity() {
-
-    protected var mTimeoutEnable: Boolean = true
-
-    private var mLockReceiver: LockReceiver? = null
-    private var mExitLock: Boolean = false
-
-    // Force readOnly if Entry Selection mode
-    protected var mReadOnly: Boolean
-        get() {
-            return mReadOnlyToSave
-        }
-        set(value) {
-            mReadOnlyToSave = value
-        }
-    private var mReadOnlyToSave: Boolean = false
-    protected var mAutoSaveEnable: Boolean = true
-
-    var mProgressDatabaseTaskProvider: ProgressDatabaseTaskProvider? = null
-        private set
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-
-        mProgressDatabaseTaskProvider = ProgressDatabaseTaskProvider(this)
-
-        super.onCreate(savedInstanceState)
-
-        if (savedInstanceState != null
-                && savedInstanceState.containsKey(TIMEOUT_ENABLE_KEY)) {
-            mTimeoutEnable = savedInstanceState.getBoolean(TIMEOUT_ENABLE_KEY)
-        } else {
-            if (intent != null)
-                mTimeoutEnable = intent.getBooleanExtra(TIMEOUT_ENABLE_KEY, TIMEOUT_ENABLE_KEY_DEFAULT)
-        }
-
-        if (mTimeoutEnable) {
-            mLockReceiver = LockReceiver {
-                closeDatabase()
-                if (LOCKING_ACTIVITY_UI_VISIBLE_DURING_LOCK == null)
-                    LOCKING_ACTIVITY_UI_VISIBLE_DURING_LOCK = LOCKING_ACTIVITY_UI_VISIBLE
-                // Add onActivityForResult response
-                setResult(RESULT_EXIT_LOCK)
-                closeOptionsMenu()
-                finish()
-            }
-            registerLockReceiver(mLockReceiver)
-        }
-
-        mExitLock = false
-    }
-
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        super.onActivityResult(requestCode, resultCode, data)
-        if (resultCode == RESULT_EXIT_LOCK) {
-            mExitLock = true
-            if (Database.getInstance().loaded) {
-                lockAndExit()
-            }
-        }
-    }
-
-    override fun onResume() {
-        super.onResume()
-
-        // If in ave or registration mode, don't allow read only
-        if ((mSpecialMode == SpecialMode.SAVE
-                        || mSpecialMode == SpecialMode.REGISTRATION)
-                && mReadOnly) {
-            Toast.makeText(this, R.string.error_registration_read_only , Toast.LENGTH_LONG).show()
-            EntrySelectionHelper.removeModesFromIntent(intent)
-            finish()
-        }
-
-        mProgressDatabaseTaskProvider?.registerProgressTask()
-
-        // To refresh when back to normal workflow from selection workflow
-        mReadOnlyToSave = ReadOnlyHelper.retrieveReadOnlyFromIntent(intent)
-        mAutoSaveEnable = PreferencesUtil.isAutoSaveDatabaseEnabled(this)
-
-        invalidateOptionsMenu()
-
-        if (mTimeoutEnable) {
-            // End activity if database not loaded
-            if (!Database.getInstance().loaded) {
-                finish()
-                return
-            }
-
-            // After the first creation
-            // or If simply swipe with another application
-            // If the time is out -> close the Activity
-            TimeoutHelper.checkTimeAndLockIfTimeout(this)
-            // If onCreate already record time
-            if (!mExitLock)
-                TimeoutHelper.recordTime(this)
-        }
-
-        LOCKING_ACTIVITY_UI_VISIBLE = true
-    }
-
-    override fun onSaveInstanceState(outState: Bundle) {
-        outState.putBoolean(TIMEOUT_ENABLE_KEY, mTimeoutEnable)
-        super.onSaveInstanceState(outState)
-    }
-
-    override fun onPause() {
-        LOCKING_ACTIVITY_UI_VISIBLE = false
-
-        mProgressDatabaseTaskProvider?.unregisterProgressTask()
-
-        super.onPause()
-
-        if (mTimeoutEnable) {
-            // If the time is out during our navigation in activity -> close the Activity
-            TimeoutHelper.checkTimeAndLockIfTimeout(this)
-        }
-    }
-
-    override fun onDestroy() {
-        unregisterLockReceiver(mLockReceiver)
-        super.onDestroy()
-    }
-
-    protected fun lockAndExit() {
-        sendBroadcast(Intent(LOCK_ACTION))
-    }
-
-    override fun onBackPressed() {
-        if (mTimeoutEnable) {
-            TimeoutHelper.checkTimeAndLockIfTimeoutOrResetTimeout(this) {
-                super.onBackPressed()
-            }
-        } else {
-            super.onBackPressed()
-        }
-    }
-
-    companion object {
-
-        const val TAG = "LockingActivity"
-
-        const val RESULT_EXIT_LOCK = 1450
-
-        const val TIMEOUT_ENABLE_KEY = "TIMEOUT_ENABLE_KEY"
-        const val TIMEOUT_ENABLE_KEY_DEFAULT = true
-
-        private var LOCKING_ACTIVITY_UI_VISIBLE = false
-        var LOCKING_ACTIVITY_UI_VISIBLE_DURING_LOCK: Boolean? = null
-    }
-}
-
-/**
- * To reset the app timeout when a view is focused or changed
- */
-@SuppressLint("ClickableViewAccessibility")
-fun View.resetAppTimeoutWhenViewFocusedOrChanged(context: Context) {
-    setOnTouchListener { _, event ->
-        when (event.action) {
-            MotionEvent.ACTION_DOWN -> {
-                //Log.d(LockingActivity.TAG, "View touched, try to reset app timeout")
-                TimeoutHelper.checkTimeAndLockIfTimeoutOrResetTimeout(context)
-            }
-        }
-        false
-    }
-    setOnFocusChangeListener { _, _ ->
-        //Log.d(LockingActivity.TAG, "View focused, try to reset app timeout")
-        TimeoutHelper.checkTimeAndLockIfTimeoutOrResetTimeout(context)
-    }
-    if (this is ViewGroup) {
-        for (i in 0..childCount) {
-            getChildAt(i)?.resetAppTimeoutWhenViewFocusedOrChanged(context)
-        }
-    }
-}

app/src/main/java/com/kunzisoft/keepass/activities/stylish/Stylish.kt

@@ -37,12 +37,12 @@ object Stylish {
      * Initialize the class with a theme preference
      * @param context Context to retrieve the theme preference
      */
-    fun init(context: Context) {
+    fun load(context: Context) {
         Log.d(Stylish::class.java.name, "Attatching to " + context.packageName)
         themeString = PreferencesUtil.getStyle(context)
     }
 
-    private fun retrieveEquivalentSystemStyle(context: Context, styleString: String): String {
+    fun retrieveEquivalentSystemStyle(context: Context, styleString: String): String {
         val systemNightMode = when (PreferencesUtil.getStyleBrightness(context)) {
             context.getString(R.string.list_style_brightness_light) -> false
             context.getString(R.string.list_style_brightness_night) -> true
@@ -84,12 +84,16 @@ object Stylish {
         }
     }
 
+    fun defaultStyle(context: Context): String {
+        return context.getString(R.string.list_style_name_light)
+    }
+
     /**
      * Assign the style to the class attribute
      * @param styleString Style id String
      */
     fun assignStyle(context: Context, styleString: String) {
-        themeString = retrieveEquivalentSystemStyle(context, styleString)
+        PreferencesUtil.setStyle(context, styleString)
     }
 
     /**

app/src/main/java/com/kunzisoft/keepass/activities/stylish/StylishActivity.kt

@@ -22,10 +22,13 @@ package com.kunzisoft.keepass.activities.stylish
 import android.content.ActivityNotFoundException
 import android.content.Intent
 import android.os.Bundle
-import androidx.annotation.StyleRes
+import android.os.Handler
-import androidx.appcompat.app.AppCompatActivity
+import android.os.Looper
 import android.util.Log
 import android.view.WindowManager
+import androidx.annotation.StyleRes
+import androidx.appcompat.app.AppCompatActivity
+import com.kunzisoft.keepass.settings.NestedAppSettingsFragment.Companion.DATABASE_APPEARANCE_PREFERENCE_CHANGED
 
 /**
  * Stylish Hide Activity that apply a dynamic style and sets FLAG_SECURE to prevent screenshots / from
@@ -35,6 +38,7 @@ abstract class StylishActivity : AppCompatActivity() {
 
     @StyleRes
     private var themeId: Int = 0
+    private var customStyle = true
 
     /* (non-Javadoc) Workaround for HTC Linkify issues
      * @see android.app.Activity#startActivity(android.content.Intent)
@@ -52,10 +56,30 @@ abstract class StylishActivity : AppCompatActivity() {
         }
     }
 
+    open fun applyCustomStyle(): Boolean {
+        return true
+    }
+
+    open fun finishActivityIfReloadRequested(): Boolean {
+        return false
+    }
+
+    open fun reloadActivity() {
+        if (!finishActivityIfReloadRequested()) {
+            startActivity(intent)
+        }
+        finish()
+        overridePendingTransition(android.R.anim.fade_in, android.R.anim.fade_out)
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        this.themeId = Stylish.getThemeId(this)
+
-        setTheme(themeId)
+        customStyle = applyCustomStyle()
+        if (customStyle) {
+            this.themeId = Stylish.getThemeId(this)
+            setTheme(themeId)
+        }
 
         // Several gingerbread devices have problems with FLAG_SECURE
         window.setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE)
@@ -63,9 +87,17 @@ abstract class StylishActivity : AppCompatActivity() {
 
     override fun onResume() {
         super.onResume()
-        if (Stylish.getThemeId(this) != this.themeId) {
+
+        if ((customStyle && Stylish.getThemeId(this) != this.themeId)
+            || DATABASE_APPEARANCE_PREFERENCE_CHANGED) {
+            DATABASE_APPEARANCE_PREFERENCE_CHANGED = false
             Log.d(this.javaClass.name, "Theme change detected, restarting activity")
-            this.recreate()
+            recreateActivity()
         }
     }
+
+    private fun recreateActivity() {
+        // To prevent KitKat bugs
+        Handler(Looper.getMainLooper()).post { recreate() }
+    }
 }

app/src/main/java/com/kunzisoft/keepass/adapters/EntryHistoryAdapter.kt

@@ -26,13 +26,13 @@ import android.view.ViewGroup
 import android.widget.TextView
 import androidx.recyclerview.widget.RecyclerView
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.database.element.Entry
+import com.kunzisoft.keepass.model.EntryInfo
 
 class EntryHistoryAdapter(val context: Context) : RecyclerView.Adapter<EntryHistoryAdapter.EntryHistoryViewHolder>() {
 
     private val inflater: LayoutInflater = LayoutInflater.from(context)
-    var entryHistoryList: MutableList<Entry> = ArrayList()
+    var entryHistoryList: MutableList<EntryInfo> = ArrayList()
-    var onItemClickListener: ((item: Entry, position: Int)->Unit)? = null
+    var onItemClickListener: ((item: EntryInfo, position: Int)->Unit)? = null
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): EntryHistoryViewHolder {
         return EntryHistoryViewHolder(inflater.inflate(R.layout.item_list_entry_history, parent, false))
@@ -44,7 +44,6 @@ class EntryHistoryAdapter(val context: Context) : RecyclerView.Adapter<EntryHist
         holder.lastModifiedView.text = entryHistory.lastModificationTime.getDateTimeString(context.resources)
         holder.titleView.text = entryHistory.title
         holder.usernameView.text = entryHistory.username
-        holder.urlView.text = entryHistory.url
 
         holder.itemView.setOnClickListener {
             onItemClickListener?.invoke(entryHistory, position)
@@ -64,6 +63,5 @@ class EntryHistoryAdapter(val context: Context) : RecyclerView.Adapter<EntryHist
         var lastModifiedView: TextView = itemView.findViewById(R.id.entry_history_last_modified)
         var titleView: TextView = itemView.findViewById(R.id.entry_history_title)
         var usernameView: TextView = itemView.findViewById(R.id.entry_history_username)
-        var urlView: TextView = itemView.findViewById(R.id.entry_history_url)
     }
 }

app/src/main/java/com/kunzisoft/keepass/adapters/FieldsAdapter.kt

@@ -27,7 +27,7 @@ import android.view.ViewGroup
 import android.widget.TextView
 
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.model.Field
+import com.kunzisoft.keepass.database.element.Field
 
 import java.util.ArrayList
 

app/src/main/java/com/kunzisoft/keepass/adapters/FileDatabaseHistoryAdapter.kt

@@ -30,6 +30,8 @@ import android.view.ViewGroup
 import android.widget.*
 import androidx.annotation.ColorInt
 import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.SortedList
+import androidx.recyclerview.widget.SortedListAdapterCallback
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.model.DatabaseFile
 import com.kunzisoft.keepass.view.collapse
@@ -44,11 +46,43 @@ class FileDatabaseHistoryAdapter(context: Context)
     private var fileSelectClearListener: ((DatabaseFile)->Boolean)? = null
     private var saveAliasListener: ((DatabaseFile)->Unit)? = null
 
-    private val listDatabaseFiles = ArrayList<DatabaseFile>()
+    private var mDefaultDatabase: DatabaseFile? = null
+    private var mExpandedDatabaseFile: SuperDatabaseFile? = null
+    private var mPreviousExpandedDatabaseFile: SuperDatabaseFile? = null
 
-    private var mDefaultDatabaseFile: DatabaseFile? = null
+    private val mListPosition = mutableListOf<SuperDatabaseFile>()
-    private var mExpandedDatabaseFile: DatabaseFile? = null
+    private val mSortedListDatabaseFiles = SortedList(SuperDatabaseFile::class.java,
-    private var mPreviousExpandedDatabaseFile: DatabaseFile? = null
+        object: SortedListAdapterCallback<SuperDatabaseFile>(this) {
+            override fun compare(item1: SuperDatabaseFile, item2: SuperDatabaseFile): Int {
+                val indexItem1 = mListPosition.indexOf(item1)
+                val indexItem2 = mListPosition.indexOf(item2)
+                return if (indexItem1 == -1 && indexItem2 == -1)
+                    -1
+                else if (indexItem1 < indexItem2)
+                    -1
+                else if (indexItem1 > indexItem2)
+                    1
+                else
+                    0
+            }
+
+            override fun areContentsTheSame(oldItem: SuperDatabaseFile, newItem: SuperDatabaseFile): Boolean {
+                val oldDatabaseFile = oldItem.databaseFile
+                val newDatabaseFile = newItem.databaseFile
+                return oldDatabaseFile.databaseUri == newDatabaseFile.databaseUri
+                        && oldDatabaseFile.databaseDecodedPath == newDatabaseFile.databaseDecodedPath
+                        && oldDatabaseFile.databaseAlias == newDatabaseFile.databaseAlias
+                        && oldDatabaseFile.databaseFileExists == newDatabaseFile.databaseFileExists
+                        && oldDatabaseFile.databaseLastModified == newDatabaseFile.databaseLastModified
+                        && oldDatabaseFile.databaseSize == newDatabaseFile.databaseSize
+                        && oldItem.default == newItem.default
+            }
+
+            override fun areItemsTheSame(item1: SuperDatabaseFile, item2: SuperDatabaseFile): Boolean {
+                return item1.databaseFile == item2.databaseFile
+            }
+        }
+    )
 
     @ColorInt
     private val defaultColor: Int
@@ -71,7 +105,8 @@ class FileDatabaseHistoryAdapter(context: Context)
 
     override fun onBindViewHolder(holder: FileDatabaseHistoryViewHolder, position: Int) {
         // Get info from position
-        val databaseFile = listDatabaseFiles[position]
+        val superDatabaseFile = mSortedListDatabaseFiles[position]
+        val databaseFile = superDatabaseFile.databaseFile
 
         // Click item to open file
         holder.fileContainer.setOnClickListener {
@@ -80,7 +115,7 @@ class FileDatabaseHistoryAdapter(context: Context)
 
         // Default database
         holder.defaultFileButton.apply {
-            this.isChecked = mDefaultDatabaseFile == databaseFile
+            this.isChecked = superDatabaseFile.default
             setOnClickListener {
                 defaultDatabaseListener?.invoke(if (isChecked) databaseFile else null)
             }
@@ -115,7 +150,7 @@ class FileDatabaseHistoryAdapter(context: Context)
         }
 
         // Click on information
-        val isExpanded = databaseFile == mExpandedDatabaseFile
+        val isExpanded = superDatabaseFile == mExpandedDatabaseFile
         // Hides or shows info
         holder.fileExpandContainer.apply {
             if (isExpanded) {
@@ -151,16 +186,16 @@ class FileDatabaseHistoryAdapter(context: Context)
         }
 
         if (isExpanded) {
-            mPreviousExpandedDatabaseFile = databaseFile
+            mPreviousExpandedDatabaseFile = superDatabaseFile
         }
         holder.fileInformationButton.apply {
             animate().rotation(if (isExpanded) 180F else 0F).start()
             setOnClickListener {
-                mExpandedDatabaseFile = if (isExpanded) null else databaseFile
+                mExpandedDatabaseFile = if (isExpanded) null else superDatabaseFile
                 // Notify change
-                val previousExpandedPosition = listDatabaseFiles.indexOf(mPreviousExpandedDatabaseFile)
+                val previousExpandedPosition = mListPosition.indexOf(mPreviousExpandedDatabaseFile)
                 notifyItemChanged(previousExpandedPosition)
-                val expandedPosition = listDatabaseFiles.indexOf(mExpandedDatabaseFile)
+                val expandedPosition = mListPosition.indexOf(mExpandedDatabaseFile)
                 notifyItemChanged(expandedPosition)
             }
         }
@@ -172,50 +207,67 @@ class FileDatabaseHistoryAdapter(context: Context)
     }
 
     override fun getItemCount(): Int {
-        return listDatabaseFiles.size
+        return mSortedListDatabaseFiles.size()
     }
 
     fun clearDatabaseFileHistoryList() {
-        listDatabaseFiles.clear()
+        mListPosition.clear()
+        mSortedListDatabaseFiles.clear()
     }
 
     fun addDatabaseFileHistory(fileDatabaseHistoryToAdd: DatabaseFile) {
-        listDatabaseFiles.add(0, fileDatabaseHistoryToAdd)
+        val superToAdd = SuperDatabaseFile(fileDatabaseHistoryToAdd)
-        notifyItemInserted(0)
+        mListPosition.add(0, superToAdd)
+        mSortedListDatabaseFiles.add(superToAdd)
     }
 
     fun updateDatabaseFileHistory(fileDatabaseHistoryToUpdate: DatabaseFile) {
-        val index = listDatabaseFiles.indexOf(fileDatabaseHistoryToUpdate)
+        val superToUpdate = SuperDatabaseFile(fileDatabaseHistoryToUpdate)
-        if (listDatabaseFiles.remove(fileDatabaseHistoryToUpdate)) {
+        val index = mListPosition.indexOf(superToUpdate)
-            listDatabaseFiles.add(index, fileDatabaseHistoryToUpdate)
+        if (mListPosition.remove(superToUpdate)) {
-            notifyItemChanged(index)
+            mListPosition.add(index, superToUpdate)
         }
+        mSortedListDatabaseFiles.updateItemAt(index, superToUpdate)
     }
 
     fun deleteDatabaseFileHistory(fileDatabaseHistoryToDelete: DatabaseFile) {
-        val index = listDatabaseFiles.indexOf(fileDatabaseHistoryToDelete)
+        val superToDelete = SuperDatabaseFile(fileDatabaseHistoryToDelete)
-        if (listDatabaseFiles.remove(fileDatabaseHistoryToDelete)) {
+        val index = mListPosition.indexOf(superToDelete)
-            notifyItemRemoved(index)
+        mListPosition.remove(superToDelete)
-        }
+        mSortedListDatabaseFiles.removeItemAt(index)
     }
 
     fun replaceAllDatabaseFileHistoryList(listFileDatabaseHistoryToAdd: List<DatabaseFile>) {
-        if (listDatabaseFiles.isEmpty()) {
+        val superMapToReplace = listFileDatabaseHistoryToAdd.map {
-            listFileDatabaseHistoryToAdd.forEach {
+            SuperDatabaseFile(it)
-                listDatabaseFiles.add(it)
-                notifyItemInserted(listDatabaseFiles.size)
-            }
-        } else {
-            listDatabaseFiles.clear()
-            listDatabaseFiles.addAll(listFileDatabaseHistoryToAdd)
-            notifyDataSetChanged()
         }
+        mListPosition.clear()
+        mListPosition.addAll(superMapToReplace)
+        mSortedListDatabaseFiles.replaceAll(superMapToReplace)
     }
 
     fun setDefaultDatabase(databaseUri: Uri?) {
-        val defaultDatabaseFile = listDatabaseFiles.firstOrNull { it.databaseUri == databaseUri }
+        // Remove default from last item
-        mDefaultDatabaseFile = defaultDatabaseFile
+        val oldDefaultDatabasePosition = mListPosition.indexOfFirst {
-        notifyDataSetChanged()
+            it.default
+        }
+        if (oldDefaultDatabasePosition >= 0) {
+            val oldDefaultDatabase = mListPosition[oldDefaultDatabasePosition].apply {
+                default = false
+            }
+            mSortedListDatabaseFiles.updateItemAt(oldDefaultDatabasePosition, oldDefaultDatabase)
+        }
+        // Add default to new item
+        val newDefaultDatabaseFilePosition = mListPosition.indexOfFirst {
+            it.databaseFile.databaseUri == databaseUri
+        }
+        if (newDefaultDatabaseFilePosition >= 0) {
+            val newDefaultDatabase = mListPosition[newDefaultDatabaseFilePosition].apply {
+                default = true
+            }
+            mDefaultDatabase = newDefaultDatabase.databaseFile
+            mSortedListDatabaseFiles.updateItemAt(newDefaultDatabaseFilePosition, newDefaultDatabase)
+        }
     }
 
     fun setOnDefaultDatabaseListener(listener: ((DatabaseFile?) -> Unit)?) {
@@ -234,6 +286,30 @@ class FileDatabaseHistoryAdapter(context: Context)
         this.saveAliasListener = listener
     }
 
+    private inner class SuperDatabaseFile(
+        var databaseFile: DatabaseFile,
+        var default: Boolean = false
+    ) {
+
+        init {
+            if (mDefaultDatabase == databaseFile)
+                this.default = true
+        }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) return true
+            if (other !is SuperDatabaseFile) return false
+
+            if (databaseFile != other.databaseFile) return false
+
+            return true
+        }
+
+        override fun hashCode(): Int {
+            return databaseFile.hashCode()
+        }
+    }
+
     class FileDatabaseHistoryViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
 
         var fileContainer: ViewGroup = itemView.findViewById(R.id.file_container_basic_info)

app/src/main/java/com/kunzisoft/keepass/adapters/IconPickerAdapter.kt

@@ -5,6 +5,7 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.ImageView
+import android.widget.TextView
 import androidx.recyclerview.widget.RecyclerView
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.database.element.icon.IconImageDraw
@@ -95,6 +96,12 @@ class IconPickerAdapter<I: IconImageDraw>(val context: Context, private val tint
     override fun onBindViewHolder(holder: CustomIconViewHolder, position: Int) {
         val icon = iconList[position]
         iconDrawableFactory?.assignDatabaseIcon(holder.iconImageView, icon, tintIcon)
+        icon.getIconImageToDraw().custom.name.let { iconName ->
+            holder.iconTextView.apply {
+                text = iconName
+                visibility = if (iconName.isNotEmpty()) View.VISIBLE else View.GONE
+            }
+        }
         holder.iconContainerView.isSelected = icon.selected
         holder.itemView.setOnClickListener {
             iconPickerListener?.onIconClickListener(icon)
@@ -117,5 +124,6 @@ class IconPickerAdapter<I: IconImageDraw>(val context: Context, private val tint
     inner class CustomIconViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
         var iconContainerView: ViewGroup = itemView.findViewById(R.id.icon_container)
         var iconImageView: ImageView = itemView.findViewById(R.id.icon_image)
+        var iconTextView: TextView = itemView.findViewById(R.id.icon_name)
     }
 }

app/src/main/java/com/kunzisoft/keepass/adapters/NodeAdapter.kt

@@ -26,6 +26,7 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.ImageView
+import android.widget.ProgressBar
 import android.widget.TextView
 import androidx.annotation.ColorInt
 import androidx.core.content.ContextCompat
@@ -40,6 +41,8 @@ import com.kunzisoft.keepass.database.element.SortNodeEnum
 import com.kunzisoft.keepass.database.element.node.Node
 import com.kunzisoft.keepass.database.element.node.NodeVersionedInterface
 import com.kunzisoft.keepass.database.element.node.Type
+import com.kunzisoft.keepass.otp.OtpElement
+import com.kunzisoft.keepass.otp.OtpType
 import com.kunzisoft.keepass.settings.PreferencesUtil
 import com.kunzisoft.keepass.view.setTextSize
 import com.kunzisoft.keepass.view.strikeOut
@@ -49,7 +52,8 @@ import java.util.*
  * Create node list adapter with contextMenu or not
  * @param context Context to use
  */
-class NodeAdapter (private val context: Context)
+class NodeAdapter (private val context: Context,
+                   private val database: Database)
     : RecyclerView.Adapter<NodeAdapter.NodeViewHolder>() {
 
     private var mNodeComparator: Comparator<NodeVersionedInterface<Group>>? = null
@@ -67,13 +71,13 @@ class NodeAdapter (private val context: Context)
 
     private var mShowUserNames: Boolean = true
     private var mShowNumberEntries: Boolean = true
+    private var mShowOTP: Boolean = false
+    private var mShowUUID: Boolean = false
     private var mEntryFilters = arrayOf<Group.ChildFilter>()
 
     private var mActionNodesList = LinkedList<Node>()
     private var mNodeClickCallback: NodeClickCallback? = null
 
-    private val mDatabase: Database
-
     @ColorInt
     private val mContentSelectionColor: Int
     @ColorInt
@@ -96,9 +100,6 @@ class NodeAdapter (private val context: Context)
         this.mNodeSortedListCallback = NodeSortedListCallback()
         this.mNodeSortedList = SortedList(Node::class.java, mNodeSortedListCallback)
 
-        // Database
-        this.mDatabase = Database.getInstance()
-
         // Color of content selection
         this.mContentSelectionColor = ContextCompat.getColor(context, R.color.white)
         // Retrieve the color to tint the icon
@@ -111,7 +112,7 @@ class NodeAdapter (private val context: Context)
         taTextColor.recycle()
     }
 
-    fun assignPreferences() {
+    private fun assignPreferences() {
         this.mPrefSizeMultiplier = PreferencesUtil.getListTextSize(context)
 
         notifyChangeSort(
@@ -125,6 +126,8 @@ class NodeAdapter (private val context: Context)
 
         this.mShowUserNames = PreferencesUtil.showUsernamesListEntries(context)
         this.mShowNumberEntries = PreferencesUtil.showNumberEntries(context)
+        this.mShowOTP = PreferencesUtil.showOTPToken(context)
+        this.mShowUUID = PreferencesUtil.showUUID(context)
 
         this.mEntryFilters = Group.ChildFilter.getDefaults(context)
 
@@ -146,9 +149,21 @@ class NodeAdapter (private val context: Context)
         }
 
         override fun areContentsTheSame(oldItem: Node, newItem: Node): Boolean {
-            return oldItem.type == newItem.type
+            var typeContentTheSame = true
+            if (oldItem is Entry && newItem is Entry) {
+                typeContentTheSame = oldItem.getVisualTitle() == newItem.getVisualTitle()
+                        && oldItem.username == newItem.username
+                        && oldItem.getOtpElement() == newItem.getOtpElement()
+                        && oldItem.containsAttachment() == newItem.containsAttachment()
+            } else if (oldItem is Group && newItem is Group) {
+                typeContentTheSame = oldItem.numberOfChildEntries == newItem.numberOfChildEntries
+            }
+            return typeContentTheSame
+                    && oldItem.nodeId == newItem.nodeId
+                    && oldItem.type == newItem.type
                     && oldItem.title == newItem.title
                     && oldItem.icon == newItem.icon
+                    && oldItem.isCurrentlyExpires == newItem.isCurrentlyExpires
         }
 
         override fun areItemsTheSame(item1: Node, item2: Node): Boolean {
@@ -241,6 +256,10 @@ class NodeAdapter (private val context: Context)
         mNodeSortedList.endBatchedUpdates()
     }
 
+    fun indexOf(node: Node): Int {
+        return mNodeSortedList.indexOf(node)
+    }
+
     fun notifyNodeChanged(node: Node) {
         notifyItemChanged(mNodeSortedList.indexOf(node))
     }
@@ -266,7 +285,7 @@ class NodeAdapter (private val context: Context)
      */
     fun notifyChangeSort(sortNodeEnum: SortNodeEnum,
                          sortNodeParameters: SortNodeEnum.SortNodeParameters) {
-        this.mNodeComparator = sortNodeEnum.getNodeComparator(sortNodeParameters)
+        this.mNodeComparator = sortNodeEnum.getNodeComparator(database, sortNodeParameters)
     }
 
     override fun getItemViewType(position: Int): Int {
@@ -303,7 +322,7 @@ class NodeAdapter (private val context: Context)
         }
         holder.imageIdentifier?.setColorFilter(iconColor)
         holder.icon.apply {
-            mDatabase.iconDrawableFactory.assignDatabaseIcon(this, subNode.icon, iconColor)
+            database.iconDrawableFactory.assignDatabaseIcon(this, subNode.icon, iconColor)
             // Relative size of the icon
             layoutParams?.apply {
                 height = (mIconDefaultDimension * mPrefSizeMultiplier).toInt()
@@ -323,11 +342,16 @@ class NodeAdapter (private val context: Context)
             strikeOut(subNode.isCurrentlyExpires)
             visibility = View.GONE
         }
+        // Add meta text to show UUID
+        holder.meta.apply {
+            text = subNode.nodeId.toString()
+            visibility = if (mShowUUID) View.VISIBLE else View.GONE
+        }
 
         // Specific elements for entry
         if (subNode.type == Type.ENTRY) {
             val entry = subNode as Entry
-            mDatabase.startManageEntry(entry)
+            database.startManageEntry(entry)
 
             holder.text.text = entry.getVisualTitle()
             holder.subText.apply {
@@ -339,10 +363,29 @@ class NodeAdapter (private val context: Context)
                 }
             }
 
+            val otpElement = entry.getOtpElement()
+            holder.otpContainer?.removeCallbacks(holder.otpRunnable)
+            if (otpElement != null
+                && mShowOTP
+                && otpElement.token.isNotEmpty()) {
+
+                // Execute runnable to show progress
+                holder.otpRunnable.action = {
+                    populateOtpView(holder, otpElement)
+                }
+                if (otpElement.type == OtpType.TOTP) {
+                    holder.otpRunnable.postDelayed()
+                }
+                populateOtpView(holder, otpElement)
+
+                holder.otpContainer?.visibility = View.VISIBLE
+            } else {
+                holder.otpContainer?.visibility = View.GONE
+            }
             holder.attachmentIcon?.visibility =
                     if (entry.containsAttachment()) View.VISIBLE else View.GONE
 
-            mDatabase.stopManageEntry(entry)
+            database.stopManageEntry(entry)
         }
 
         // Add number of entries in groups
@@ -350,7 +393,7 @@ class NodeAdapter (private val context: Context)
             if (mShowNumberEntries) {
                 holder.numberChildren?.apply {
                     text = (subNode as Group)
-                            .getNumberOfChildEntries(mEntryFilters)
+                            .numberOfChildEntries
                             .toString()
                     setTextSize(mTextSizeUnit, mNumberChildrenTextDefaultDimension, mPrefSizeMultiplier)
                     visibility = View.VISIBLE
@@ -362,13 +405,45 @@ class NodeAdapter (private val context: Context)
 
         // Assign click
         holder.container.setOnClickListener {
-            mNodeClickCallback?.onNodeClick(subNode)
+            mNodeClickCallback?.onNodeClick(database, subNode)
         }
         holder.container.setOnLongClickListener {
-            mNodeClickCallback?.onNodeLongClick(subNode) ?: false
+            mNodeClickCallback?.onNodeLongClick(database, subNode) ?: false
         }
     }
-    
+
+    private fun populateOtpView(holder: NodeViewHolder?, otpElement: OtpElement?) {
+        when (otpElement?.type) {
+            OtpType.HOTP -> {
+                holder?.otpProgress?.apply {
+                    max = 100
+                    progress = 100
+                }
+            }
+            OtpType.TOTP -> {
+                holder?.otpProgress?.apply {
+                    max = otpElement.period
+                    progress = otpElement.secondsRemaining
+                }
+            }
+        }
+        holder?.otpToken?.text = otpElement?.token
+    }
+
+    class OtpRunnable(val view: View?): Runnable {
+
+        var action: (() -> Unit)? = null
+
+        override fun run() {
+            action?.invoke()
+            postDelayed()
+        }
+
+        fun postDelayed() {
+            view?.postDelayed(this, 1000)
+        }
+    }
+
     override fun getItemCount(): Int {
         return mNodeSortedList.size()
     }
@@ -384,8 +459,8 @@ class NodeAdapter (private val context: Context)
      * Callback listener to redefine to do an action when a node is click
      */
     interface NodeClickCallback {
-        fun onNodeClick(node: Node)
+        fun onNodeClick(database: Database, node: Node)
-        fun onNodeLongClick(node: Node): Boolean
+        fun onNodeLongClick(database: Database, node: Node): Boolean
     }
 
     class NodeViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
@@ -394,6 +469,11 @@ class NodeAdapter (private val context: Context)
         var icon: ImageView = itemView.findViewById(R.id.node_icon)
         var text: TextView = itemView.findViewById(R.id.node_text)
         var subText: TextView = itemView.findViewById(R.id.node_subtext)
+        var meta: TextView = itemView.findViewById(R.id.node_meta)
+        var otpContainer: ViewGroup? = itemView.findViewById(R.id.node_otp_container)
+        var otpProgress: ProgressBar? = itemView.findViewById(R.id.node_otp_progress)
+        var otpToken: TextView? = itemView.findViewById(R.id.node_otp_token)
+        var otpRunnable: OtpRunnable = OtpRunnable(otpContainer)
         var numberChildren: TextView? = itemView.findViewById(R.id.node_child_numbers)
         var attachmentIcon: ImageView? = itemView.findViewById(R.id.node_attachment_icon)
     }

app/src/main/java/com/kunzisoft/keepass/adapters/SearchEntryCursorAdapter.kt

@@ -106,7 +106,6 @@ class SearchEntryCursorAdapter(private val context: Context,
 
     private fun getEntryFrom(cursor: Cursor): Entry? {
         return database.createEntry()?.apply {
-            database.startManageEntry(this)
             entryKDB?.let { entryKDB ->
                 (cursor as EntryCursorKDB).populateEntry(entryKDB,
                         { standardIconId ->
@@ -127,7 +126,6 @@ class SearchEntryCursorAdapter(private val context: Context,
                         }
                 )
             }
-            database.stopManageEntry(this)
         }
     }
 
@@ -150,12 +148,14 @@ class SearchEntryCursorAdapter(private val context: Context,
         if (searchGroup != null) {
             // Search in hide entries but not meta-stream
             for (entry in searchGroup.getFilteredChildEntries(Group.ChildFilter.getDefaults(context))) {
+                database.startManageEntry(entry)
                 entry.entryKDB?.let {
                     cursorKDB?.addEntry(it)
                 }
                 entry.entryKDBX?.let {
                     cursorKDBX?.addEntry(it)
                 }
+                database.stopManageEntry(entry)
             }
         }
 

app/src/main/java/com/kunzisoft/keepass/adapters/TemplatesSelectorAdapter.kt

@@ -0,0 +1,70 @@
+package com.kunzisoft.keepass.adapters
+
+import android.content.Context
+import android.graphics.Color
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.BaseAdapter
+import android.widget.ImageView
+import android.widget.TextView
+import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.database.element.template.Template
+import com.kunzisoft.keepass.database.element.template.TemplateField
+import com.kunzisoft.keepass.icons.IconDrawableFactory
+
+
+class TemplatesSelectorAdapter(private val context: Context,
+                               private val iconDrawableFactory: IconDrawableFactory?,
+                               private var templates: List<Template>): BaseAdapter() {
+
+    private val inflater: LayoutInflater = LayoutInflater.from(context)
+    private var mIconColor = Color.BLACK
+
+    init {
+        val taIconColor = context.theme.obtainStyledAttributes(intArrayOf(android.R.attr.textColor))
+        mIconColor = taIconColor.getColor(0, Color.BLACK)
+        taIconColor.recycle()
+    }
+
+    override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
+        val template: Template = getItem(position)
+
+        val holder: TemplateSelectorViewHolder
+        var templateView = convertView
+        if (templateView == null) {
+            holder = TemplateSelectorViewHolder()
+            templateView = inflater.inflate(R.layout.item_template, parent, false)
+            holder.icon = templateView?.findViewById(R.id.template_image)
+            holder.name = templateView?.findViewById(R.id.template_name)
+            templateView?.tag = holder
+        } else {
+            holder = templateView.tag as TemplateSelectorViewHolder
+        }
+
+        holder.icon?.let { icon ->
+            iconDrawableFactory?.assignDatabaseIcon(icon, template.icon, mIconColor)
+        }
+        holder.name?.text = TemplateField.getLocalizedName(context, template.title)
+
+        return templateView!!
+    }
+
+    override fun getCount(): Int {
+        return templates.size
+    }
+
+    override fun getItem(position: Int): Template {
+        return templates[position]
+    }
+
+    override fun getItemId(position: Int): Long {
+        return position.toLong()
+    }
+
+    inner class TemplateSelectorViewHolder {
+        var icon: ImageView? = null
+        var name: TextView? = null
+    }
+}

app/src/main/java/com/kunzisoft/keepass/app/App.kt

@@ -21,20 +21,13 @@ package com.kunzisoft.keepass.app
 
 import androidx.multidex.MultiDexApplication
 import com.kunzisoft.keepass.activities.stylish.Stylish
-import com.kunzisoft.keepass.database.element.Database
-import com.kunzisoft.keepass.utils.UriUtil
 
 class App : MultiDexApplication() {
 
     override fun onCreate() {
         super.onCreate()
 
-        Stylish.init(this)
+        Stylish.load(this)
         PRNGFixes.apply()
     }
-
-    override fun onTerminate() {
-        Database.getInstance().clearAndClose(UriUtil.getBinaryDir(this))
-        super.onTerminate()
-    }
 }

app/src/main/java/com/kunzisoft/keepass/app/database/CipherDatabaseAction.kt

@@ -19,12 +19,10 @@
  */
 package com.kunzisoft.keepass.app.database
 
-import android.content.ComponentName
+import android.content.*
-import android.content.Context
-import android.content.Intent
-import android.content.ServiceConnection
 import android.net.Uri
 import android.os.IBinder
+import android.util.Log
 import com.kunzisoft.keepass.services.AdvancedUnlockNotificationService
 import com.kunzisoft.keepass.settings.PreferencesUtil
 import com.kunzisoft.keepass.utils.SingletonHolderParameter
@@ -41,62 +39,95 @@ class CipherDatabaseAction(context: Context) {
     // Temp DAO to easily remove content if object no longer in memory
     private var useTempDao = PreferencesUtil.isTempAdvancedUnlockEnable(applicationContext)
 
-    private val mIntentAdvancedUnlockService = Intent(applicationContext,
-            AdvancedUnlockNotificationService::class.java)
     private var mBinder: AdvancedUnlockNotificationService.AdvancedUnlockBinder? = null
     private var mServiceConnection: ServiceConnection? = null
 
-    private var mDatabaseListeners = LinkedList<DatabaseListener>()
+    private var mDatabaseListeners = LinkedList<CipherDatabaseListener>()
+    private var mAdvancedUnlockBroadcastReceiver = AdvancedUnlockNotificationService.AdvancedUnlockReceiver {
+        deleteAll()
+        removeAllDataAndDetach()
+    }
 
     fun reloadPreferences() {
         useTempDao = PreferencesUtil.isTempAdvancedUnlockEnable(applicationContext)
     }
 
     @Synchronized
-    private fun attachService(performedAction: () -> Unit) {
+    private fun serviceActionTask(startService: Boolean = false, performedAction: () -> Unit) {
-        // Check if a service is currently running else do nothing
+        // Check if a service is currently running else call action without info
-        if (mBinder != null) {
+        if (startService && mServiceConnection == null) {
+            attachService(performedAction)
+        } else {
             performedAction.invoke()
-        } else if (mServiceConnection == null) {
-            mServiceConnection = object : ServiceConnection {
-                override fun onServiceConnected(name: ComponentName?, serviceBinder: IBinder?) {
-                    mBinder = (serviceBinder as AdvancedUnlockNotificationService.AdvancedUnlockBinder)
-                    performedAction.invoke()
-                }
-
-                override fun onServiceDisconnected(name: ComponentName?) {
-                    mBinder = null
-                    mServiceConnection = null
-                    mDatabaseListeners.forEach {
-                        it.onDatabaseCleared()
-                    }
-                }
-            }
-            applicationContext.bindService(mIntentAdvancedUnlockService,
-                    mServiceConnection!!,
-                    Context.BIND_ABOVE_CLIENT)
-            if (mBinder == null) {
-                applicationContext.startService(mIntentAdvancedUnlockService)
-            }
         }
     }
 
-    fun registerDatabaseListener(listener: DatabaseListener) {
+    @Synchronized
-        mDatabaseListeners.add(listener)
+    private fun attachService(performedAction: () -> Unit) {
+        applicationContext.registerReceiver(mAdvancedUnlockBroadcastReceiver, IntentFilter().apply {
+            addAction(AdvancedUnlockNotificationService.REMOVE_ADVANCED_UNLOCK_KEY_ACTION)
+        })
+
+        mServiceConnection = object : ServiceConnection {
+            override fun onServiceConnected(name: ComponentName?, serviceBinder: IBinder?) {
+                mBinder = (serviceBinder as AdvancedUnlockNotificationService.AdvancedUnlockBinder)
+                performedAction.invoke()
+            }
+
+            override fun onServiceDisconnected(name: ComponentName?) {
+                onClear()
+            }
+        }
+        try {
+            AdvancedUnlockNotificationService.bindService(applicationContext,
+                    mServiceConnection!!,
+                    Context.BIND_AUTO_CREATE)
+        } catch (e: Exception) {
+            Log.e(TAG, "Unable to start cipher action", e)
+            performedAction.invoke()
+        }
     }
 
-    fun unregisterDatabaseListener(listener: DatabaseListener) {
+    @Synchronized
-        mDatabaseListeners.remove(listener)
+    private fun detachService() {
+        try {
+            applicationContext.unregisterReceiver(mAdvancedUnlockBroadcastReceiver)
+        } catch (e: Exception) {}
+
+        mServiceConnection?.let {
+            AdvancedUnlockNotificationService.unbindService(applicationContext, it)
+        }
     }
 
-    interface DatabaseListener {
+    private fun removeAllDataAndDetach() {
-        fun onDatabaseCleared()
+        detachService()
+        onClear()
+    }
+
+    fun registerDatabaseListener(listenerCipher: CipherDatabaseListener) {
+        mDatabaseListeners.add(listenerCipher)
+    }
+
+    fun unregisterDatabaseListener(listenerCipher: CipherDatabaseListener) {
+        mDatabaseListeners.remove(listenerCipher)
+    }
+
+    private fun onClear() {
+        mBinder = null
+        mServiceConnection = null
+        mDatabaseListeners.forEach {
+            it.onCipherDatabaseCleared()
+        }
+    }
+
+    interface CipherDatabaseListener {
+        fun onCipherDatabaseCleared()
     }
 
     fun getCipherDatabase(databaseUri: Uri,
                           cipherDatabaseResultListener: (CipherDatabaseEntity?) -> Unit) {
         if (useTempDao) {
-            attachService {
+            serviceActionTask {
                 cipherDatabaseResultListener.invoke(mBinder?.getCipherDatabase(databaseUri))
             }
         } else {
@@ -121,7 +152,8 @@ class CipherDatabaseAction(context: Context) {
     fun addOrUpdateCipherDatabase(cipherDatabaseEntity: CipherDatabaseEntity,
                                   cipherDatabaseResultListener: (() -> Unit)? = null) {
         if (useTempDao) {
-            attachService {
+            // The only case to create service (not needed to get an info)
+            serviceActionTask(true) {
                 mBinder?.addOrUpdateCipherDatabase(cipherDatabaseEntity)
                 cipherDatabaseResultListener?.invoke()
             }
@@ -146,7 +178,7 @@ class CipherDatabaseAction(context: Context) {
     fun deleteByDatabaseUri(databaseUri: Uri,
                             cipherDatabaseResultListener: (() -> Unit)? = null) {
         if (useTempDao) {
-            attachService {
+            serviceActionTask {
                 mBinder?.deleteByDatabaseUri(databaseUri)
                 cipherDatabaseResultListener?.invoke()
             }
@@ -163,15 +195,22 @@ class CipherDatabaseAction(context: Context) {
     }
 
     fun deleteAll() {
-        attachService {
+        if (useTempDao) {
-            mBinder?.deleteAll()
+            serviceActionTask {
+                mBinder?.deleteAll()
+            }
         }
+        // To erase the residues
         IOActionTask(
                 {
                     cipherDatabaseDao.deleteAll()
                 }
         ).execute()
+        // Unbind
+        removeAllDataAndDetach()
     }
 
-    companion object : SingletonHolderParameter<CipherDatabaseAction, Context>(::CipherDatabaseAction)
+    companion object : SingletonHolderParameter<CipherDatabaseAction, Context>(::CipherDatabaseAction) {
+        private val TAG = CipherDatabaseAction::class.java.name
+    }
 }

app/src/main/java/com/kunzisoft/keepass/autofill/AutofillHelper.kt

@@ -48,8 +48,11 @@ import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.element.icon.IconImage
 import com.kunzisoft.keepass.model.EntryInfo
 import com.kunzisoft.keepass.model.SearchInfo
+import com.kunzisoft.keepass.database.element.template.TemplateField
 import com.kunzisoft.keepass.settings.AutofillSettingsActivity
 import com.kunzisoft.keepass.settings.PreferencesUtil
+import java.util.*
+import kotlin.collections.ArrayList
 
 
 @RequiresApi(api = Build.VERSION_CODES.O)
@@ -85,13 +88,14 @@ object AutofillHelper {
     }
 
     private fun newRemoteViews(context: Context,
+                               database: Database,
                                remoteViewsText: String,
                                remoteViewsIcon: IconImage? = null): RemoteViews {
         val presentation = RemoteViews(context.packageName, R.layout.item_autofill_entry)
         presentation.setTextViewText(R.id.autofill_entry_text, remoteViewsText)
         if (remoteViewsIcon != null) {
             try {
-                Database.getInstance().iconDrawableFactory.getBitmapFromIcon(context,
+                database.iconDrawableFactory.getBitmapFromIcon(context,
                         remoteViewsIcon, ContextCompat.getColor(context, R.color.green))?.let { bitmap ->
                     presentation.setImageViewBitmap(R.id.autofill_entry_icon, bitmap)
                 }
@@ -103,19 +107,94 @@ object AutofillHelper {
     }
 
     private fun buildDataset(context: Context,
-                              entryInfo: EntryInfo,
+                             database: Database,
-                              struct: StructureParser.Result,
+                             entryInfo: EntryInfo,
-                              inlinePresentation: InlinePresentation?): Dataset? {
+                             struct: StructureParser.Result,
+                             inlinePresentation: InlinePresentation?): Dataset? {
         val title = makeEntryTitle(entryInfo)
-        val views = newRemoteViews(context, title, entryInfo.icon)
+        val views = newRemoteViews(context, database, title, entryInfo.icon)
         val builder = Dataset.Builder(views)
-        builder.setId(entryInfo.id)
+        builder.setId(entryInfo.id.toString())
 
         struct.usernameId?.let { usernameId ->
             builder.setValue(usernameId, AutofillValue.forText(entryInfo.username))
         }
-        struct.passwordId?.let { password ->
+        struct.passwordId?.let { passwordId ->
-            builder.setValue(password, AutofillValue.forText(entryInfo.password))
+            builder.setValue(passwordId, AutofillValue.forText(entryInfo.password))
+        }
+
+        if (entryInfo.expires) {
+            val year = entryInfo.expiryTime.getYearInt()
+            val month = entryInfo.expiryTime.getMonthInt()
+            val day = entryInfo.expiryTime.getDay()
+
+            struct.creditCardExpirationDateId?.let {
+                if (struct.isWebView) {
+                    // set date string as defined in https://html.spec.whatwg.org
+                    builder.setValue(it, AutofillValue.forText("$year\u002D$month"))
+                } else {
+                    builder.setValue(it, AutofillValue.forDate(entryInfo.expiryTime.date.time))
+                }
+            }
+            struct.creditCardExpirationYearId?.let {
+                var autofillValue: AutofillValue? = null
+
+                struct.creditCardExpirationYearOptions?.let { options ->
+                    var yearIndex = options.indexOf(year.toString().substring(0, 2))
+
+                    if (yearIndex == -1) {
+                        yearIndex = options.indexOf(year.toString())
+                    }
+                    if (yearIndex != -1) {
+                        autofillValue = AutofillValue.forList(yearIndex)
+                        builder.setValue(it, autofillValue)
+                    }
+                }
+
+                if (autofillValue == null) {
+                    builder.setValue(it, AutofillValue.forText(year.toString()))
+                }
+            }
+            struct.creditCardExpirationMonthId?.let {
+                if (struct.isWebView) {
+                    builder.setValue(it, AutofillValue.forText(month.toString()))
+                } else {
+                    if (struct.creditCardExpirationMonthOptions != null) {
+                        // index starts at 0
+                        builder.setValue(it, AutofillValue.forList(month - 1))
+                    } else {
+                        builder.setValue(it, AutofillValue.forText(month.toString()))
+                    }
+                }
+            }
+            struct.creditCardExpirationDayId?.let {
+                if (struct.isWebView) {
+                    builder.setValue(it, AutofillValue.forText(day.toString()))
+                } else {
+                    if (struct.creditCardExpirationDayOptions != null) {
+                        builder.setValue(it, AutofillValue.forList(day - 1))
+                    } else {
+                        builder.setValue(it, AutofillValue.forText(day.toString()))
+                    }
+                }
+            }
+        }
+        for (field in entryInfo.customFields) {
+            if (field.name == TemplateField.LABEL_HOLDER) {
+                struct.creditCardHolderId?.let { ccNameId ->
+                    builder.setValue(ccNameId, AutofillValue.forText(field.protectedValue.stringValue))
+                }
+            }
+            if (field.name == TemplateField.LABEL_NUMBER) {
+                struct.creditCardNumberId?.let { ccnId ->
+                    builder.setValue(ccnId, AutofillValue.forText(field.protectedValue.stringValue))
+                }
+            }
+            if (field.name == TemplateField.LABEL_CVV) {
+                struct.cardVerificationValueId?.let { cvvId ->
+                    builder.setValue(cvvId, AutofillValue.forText(field.protectedValue.stringValue))
+                }
+            }
         }
 
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
@@ -126,8 +205,8 @@ object AutofillHelper {
 
         return try {
             builder.build()
-        } catch (e: IllegalArgumentException) {
+        } catch (e: Exception) {
-            // if not value be set
+            // at least one value must be set
             null
         }
     }
@@ -135,9 +214,11 @@ object AutofillHelper {
     /**
      * Method to assign a drawable to a new icon from a database icon
      */
-    private fun buildIconFromEntry(context: Context, entryInfo: EntryInfo): Icon? {
+    private fun buildIconFromEntry(context: Context,
+                                   database: Database,
+                                   entryInfo: EntryInfo): Icon? {
         try {
-            Database.getInstance().iconDrawableFactory.getBitmapFromIcon(context,
+            database.iconDrawableFactory.getBitmapFromIcon(context,
                     entryInfo.icon, ContextCompat.getColor(context, R.color.green))?.let { bitmap ->
                 return Icon.createWithBitmap(bitmap)
             }
@@ -150,13 +231,14 @@ object AutofillHelper {
     @RequiresApi(Build.VERSION_CODES.R)
     @SuppressLint("RestrictedApi")
     private fun buildInlinePresentationForEntry(context: Context,
+                                                database: Database,
                                                 inlineSuggestionsRequest: InlineSuggestionsRequest,
                                                 positionItem: Int,
                                                 entryInfo: EntryInfo): InlinePresentation? {
         val inlinePresentationSpecs = inlineSuggestionsRequest.inlinePresentationSpecs
         val maxSuggestion = inlineSuggestionsRequest.maxSuggestionCount
 
-        if (positionItem <= maxSuggestion-1
+        if (positionItem <= maxSuggestion - 1
                 && inlinePresentationSpecs.size > positionItem) {
             val inlinePresentationSpec = inlinePresentationSpecs[positionItem]
 
@@ -178,7 +260,7 @@ object AutofillHelper {
                         setStartIcon(Icon.createWithResource(context, R.mipmap.ic_launcher_round).apply {
                             setTintBlendMode(BlendMode.DST)
                         })
-                        buildIconFromEntry(context, entryInfo)?.let { icon ->
+                        buildIconFromEntry(context, database, entryInfo)?.let { icon ->
                             setEndIcon(icon.apply {
                                 setTintBlendMode(BlendMode.DST)
                             })
@@ -189,9 +271,10 @@ object AutofillHelper {
     }
 
     fun buildResponse(context: Context,
+                      database: Database,
                       entriesInfo: List<EntryInfo>,
                       parseResult: StructureParser.Result,
-                      inlineSuggestionsRequest: InlineSuggestionsRequest?): FillResponse {
+                      inlineSuggestionsRequest: InlineSuggestionsRequest?): FillResponse? {
         val responseBuilder = FillResponse.Builder()
         // Add Header
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
@@ -208,31 +291,44 @@ object AutofillHelper {
                 }
             }
         }
+
         // Add inline suggestion for new IME and dataset
         entriesInfo.forEachIndexed { index, entryInfo ->
             val inlinePresentation = inlineSuggestionsRequest?.let {
                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
-                    buildInlinePresentationForEntry(context, inlineSuggestionsRequest, index, entryInfo)
+                    buildInlinePresentationForEntry(context, database, inlineSuggestionsRequest, index, entryInfo)
                 } else {
                     null
                 }
             }
-            responseBuilder.addDataset(buildDataset(context, entryInfo, parseResult, inlinePresentation))
+            val dataSet = buildDataset(context, database, entryInfo, parseResult, inlinePresentation)
+            dataSet?.let {
+                responseBuilder.addDataset(it)
+            }
+        }
+
+        return try {
+            responseBuilder.build()
+        } catch (e: Exception) {
+            null
         }
-        return responseBuilder.build()
     }
 
     /**
      * Build the Autofill response for one entry
      */
-    fun buildResponseAndSetResult(activity: Activity, entryInfo: EntryInfo) {
+    fun buildResponseAndSetResult(activity: Activity,
-        buildResponseAndSetResult(activity, ArrayList<EntryInfo>().apply { add(entryInfo) })
+                                  database: Database,
+                                  entryInfo: EntryInfo) {
+        buildResponseAndSetResult(activity, database, ArrayList<EntryInfo>().apply { add(entryInfo) })
     }
 
     /**
      * Build the Autofill response for many entry
      */
-    fun buildResponseAndSetResult(activity: Activity, entriesInfo: List<EntryInfo>) {
+    fun buildResponseAndSetResult(activity: Activity,
+                                  database: Database,
+                                  entriesInfo: List<EntryInfo>) {
         if (entriesInfo.isEmpty()) {
             activity.setResult(Activity.RESULT_CANCELED)
         } else {
@@ -245,9 +341,9 @@ object AutofillHelper {
                         if (inlineSuggestionsRequest != null) {
                             Toast.makeText(activity.applicationContext, R.string.autofill_inline_suggestions_keyboard, Toast.LENGTH_SHORT).show()
                         }
-                        buildResponse(activity, entriesInfo, result, inlineSuggestionsRequest)
+                        buildResponse(activity, database, entriesInfo, result, inlineSuggestionsRequest)
                     } else {
-                        buildResponse(activity, entriesInfo, result, null)
+                        buildResponse(activity, database, entriesInfo, result, null)
                     }
                     val mReplyIntent = Intent()
                     Log.d(activity.javaClass.name, "Successed Autofill auth.")

app/src/main/java/com/kunzisoft/keepass/autofill/KeeAutofillService.kt

@@ -36,29 +36,47 @@ import androidx.autofill.inline.UiVersions
 import androidx.autofill.inline.v1.InlineSuggestionUi
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.AutofillLauncherActivity
+import com.kunzisoft.keepass.database.action.DatabaseTaskProvider
 import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.search.SearchHelper
+import com.kunzisoft.keepass.model.CreditCard
 import com.kunzisoft.keepass.model.RegisterInfo
 import com.kunzisoft.keepass.model.SearchInfo
 import com.kunzisoft.keepass.settings.AutofillSettingsActivity
 import com.kunzisoft.keepass.settings.PreferencesUtil
+import org.joda.time.DateTime
 import java.util.concurrent.atomic.AtomicBoolean
 
 
 @RequiresApi(api = Build.VERSION_CODES.O)
 class KeeAutofillService : AutofillService() {
 
-    var applicationIdBlocklist: Set<String>? = null
+    private var mDatabaseTaskProvider: DatabaseTaskProvider? = null
-    var webDomainBlocklist: Set<String>? = null
+    private var mDatabase: Database? = null
-    var askToSaveData: Boolean = false
+    private var applicationIdBlocklist: Set<String>? = null
-    var autofillInlineSuggestionsEnabled: Boolean = false
+    private var webDomainBlocklist: Set<String>? = null
+    private var askToSaveData: Boolean = false
+    private var autofillInlineSuggestionsEnabled: Boolean = false
     private var mLock = AtomicBoolean()
 
     override fun onCreate() {
         super.onCreate()
+
+        mDatabaseTaskProvider = DatabaseTaskProvider(this)
+        mDatabaseTaskProvider?.registerProgressTask()
+        mDatabaseTaskProvider?.onDatabaseRetrieved = { database ->
+            this.mDatabase = database
+        }
+
         getPreferences()
     }
 
+    override fun onDestroy() {
+        mDatabaseTaskProvider?.unregisterProgressTask()
+
+        super.onDestroy()
+    }
+
     private fun getPreferences() {
         applicationIdBlocklist = PreferencesUtil.applicationIdBlocklist(this)
         webDomainBlocklist = PreferencesUtil.webDomainBlocklist(this)
@@ -95,7 +113,8 @@ class KeeAutofillService : AutofillService() {
                         } else {
                             null
                         }
-                        launchSelection(searchInfo,
+                        launchSelection(mDatabase,
+                                searchInfo,
                                 parseResult,
                                 inlineSuggestionsRequest,
                                 callback)
@@ -105,16 +124,17 @@ class KeeAutofillService : AutofillService() {
         }
     }
 
-    private fun launchSelection(searchInfo: SearchInfo,
+    private fun launchSelection(database: Database?,
+                                searchInfo: SearchInfo,
                                 parseResult: StructureParser.Result,
                                 inlineSuggestionsRequest: InlineSuggestionsRequest?,
                                 callback: FillCallback) {
         SearchHelper.checkAutoSearchInfo(this,
-                Database.getInstance(),
+                database,
                 searchInfo,
-                { items ->
+                { openedDatabase, items ->
                     callback.onSuccess(
-                            AutofillHelper.buildResponse(this,
+                            AutofillHelper.buildResponse(this, openedDatabase,
                                     items, parseResult, inlineSuggestionsRequest)
                     )
                 },
@@ -155,23 +175,40 @@ class KeeAutofillService : AutofillService() {
                     RemoteViews(packageName, R.layout.item_autofill_unlock)
                 }
 
-                // Tell to service the interest to save credentials
+                // Tell the autofill framework the interest to save credentials
                 if (askToSaveData) {
                     var types: Int = SaveInfo.SAVE_DATA_TYPE_GENERIC
-                    val info = ArrayList<AutofillId>()
+                    val requiredIds = ArrayList<AutofillId>()
+                    val optionalIds = ArrayList<AutofillId>()
+
                     // Only if at least a password
                     parseResult.passwordId?.let { passwordInfo ->
                         parseResult.usernameId?.let { usernameInfo ->
                             types = types or SaveInfo.SAVE_DATA_TYPE_USERNAME
-                            info.add(usernameInfo)
+                            requiredIds.add(usernameInfo)
                         }
                         types = types or SaveInfo.SAVE_DATA_TYPE_PASSWORD
-                        info.add(passwordInfo)
+                        requiredIds.add(passwordInfo)
                     }
-                    if (info.isNotEmpty()) {
+                    // or a credit card form
-                        responseBuilder.setSaveInfo(
+                    if (requiredIds.isEmpty()) {
-                                SaveInfo.Builder(types, info.toTypedArray()).build()
+                        parseResult.creditCardNumberId?.let { numberId ->
-                        )
+                            types = types or SaveInfo.SAVE_DATA_TYPE_CREDIT_CARD
+                            requiredIds.add(numberId)
+                            Log.d(TAG, "Asking to save credit card number")
+                        }
+                        parseResult.creditCardExpirationDateId?.let { id -> optionalIds.add(id) }
+                        parseResult.creditCardExpirationYearId?.let { id -> optionalIds.add(id) }
+                        parseResult.creditCardExpirationMonthId?.let { id -> optionalIds.add(id) }
+                        parseResult.creditCardHolderId?.let { id -> optionalIds.add(id) }
+                        parseResult.cardVerificationValueId?.let { id -> optionalIds.add(id) }
+                    }
+                    if (requiredIds.isNotEmpty()) {
+                        val builder = SaveInfo.Builder(types, requiredIds.toTypedArray())
+                        if (optionalIds.isNotEmpty()) {
+                            builder.setOptionalIds(optionalIds.toTypedArray())
+                        }
+                        responseBuilder.setSaveInfo(builder.build())
                     }
                 }
 
@@ -223,14 +260,35 @@ class KeeAutofillService : AutofillService() {
                         && autofillAllowedFor(parseResult.webDomain, webDomainBlocklist)) {
                     Log.d(TAG, "autofill onSaveRequest password")
 
+                    // Build expiration from date or from year and month
+                    var expiration: DateTime? = parseResult.creditCardExpirationValue
+                    if (parseResult.creditCardExpirationValue == null
+                        && parseResult.creditCardExpirationYearValue != 0
+                        && parseResult.creditCardExpirationMonthValue != 0) {
+                        expiration = DateTime()
+                            .withYear(parseResult.creditCardExpirationYearValue)
+                            .withMonthOfYear(parseResult.creditCardExpirationMonthValue)
+                        if (parseResult.creditCardExpirationDayValue != 0) {
+                            expiration = expiration.withDayOfMonth(parseResult.creditCardExpirationDayValue)
+                        }
+                    }
+
                     // Show UI to save data
-                    val registerInfo = RegisterInfo(SearchInfo().apply {
+                    val registerInfo = RegisterInfo(
-                        applicationId = parseResult.applicationId
+                            SearchInfo().apply {
-                        webDomain = parseResult.webDomain
+                                applicationId = parseResult.applicationId
-                        webScheme = parseResult.webScheme
+                                webDomain = parseResult.webDomain
-                    },
+                                webScheme = parseResult.webScheme
+                            },
                             parseResult.usernameValue?.textValue?.toString(),
-                            parseResult.passwordValue?.textValue?.toString())
+                            parseResult.passwordValue?.textValue?.toString(),
+                            CreditCard(
+                                parseResult.creditCardHolder,
+                                parseResult.creditCardNumber,
+                                expiration,
+                                parseResult.cardVerificationValue
+                            ))
+
                     // TODO Callback in each activity #765
                     //if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
                     //    callback.onSuccess(AutofillLauncherActivity.getAuthIntentSenderForRegistration(this,

app/src/main/java/com/kunzisoft/keepass/autofill/StructureParser.kt

@@ -21,12 +21,14 @@ package com.kunzisoft.keepass.autofill
 import android.app.assist.AssistStructure
 import android.os.Build
 import android.text.InputType
-import androidx.annotation.RequiresApi
 import android.util.Log
 import android.view.View
 import android.view.autofill.AutofillId
 import android.view.autofill.AutofillValue
+import androidx.annotation.RequiresApi
+import org.joda.time.DateTime
 import java.util.*
+import kotlin.collections.ArrayList
 
 
 /**
@@ -35,10 +37,8 @@ import java.util.*
 @RequiresApi(api = Build.VERSION_CODES.O)
 class StructureParser(private val structure: AssistStructure) {
     private var result: Result? = null
-
     private var usernameNeeded = true
-
+    private var usernameIdCandidate: AutofillId? = null
-    private var usernameCandidate: AutofillId? = null
     private var usernameValueCandidate: AutofillValue? = null
 
     fun parse(saveValue: Boolean = false): Result? {
@@ -46,7 +46,7 @@ class StructureParser(private val structure: AssistStructure) {
             result = Result()
             result?.apply {
                 allowSaveValues = saveValue
-                usernameCandidate = null
+                usernameIdCandidate = null
                 usernameValueCandidate = null
                 mainLoop@ for (i in 0 until structure.windowNodeCount) {
                     val windowNode = structure.getWindowNodeAt(i)
@@ -57,26 +57,29 @@ class StructureParser(private val structure: AssistStructure) {
                         break@mainLoop
                 }
                 // If not explicit username field found, add the field just before password field.
-                if (usernameId == null && passwordId != null && usernameCandidate != null) {
+                if (usernameId == null && passwordId != null && usernameIdCandidate != null) {
-                    usernameId = usernameCandidate
+                    usernameId = usernameIdCandidate
                     if (allowSaveValues) {
                         usernameValue = usernameValueCandidate
                     }
                 }
             }
 
-            // Return the result only if password field is retrieved
+            return if (result?.passwordId != null || result?.creditCardNumberId != null)
-            return if ((!usernameNeeded || result?.usernameId != null)
+                    result
-                    && result?.passwordId != null)
+                else
-                result
+                    null
-            else
-                null
         } catch (e: Exception) {
             return null
         }
     }
 
     private fun parseViewNode(node: AssistStructure.ViewNode): Boolean {
+        // remember this
+        if (node.className == "android.webkit.WebView") {
+            result?.isWebView = true
+        }
+
         // Get the domain of a web app
         node.webDomain?.let { webDomain ->
             if (webDomain.isNotEmpty()) {
@@ -97,8 +100,7 @@ class StructureParser(private val structure: AssistStructure) {
         var returnValue = false
         // Only parse visible nodes
         if (node.visibility == View.VISIBLE) {
-            if (node.autofillId != null
+            if (node.autofillId != null) {
-                    && node.autofillType == View.AUTOFILL_TYPE_TEXT) {
                 // Parse methods
                 val hints = node.autofillHints
                 if (hints != null && hints.isNotEmpty()) {
@@ -130,7 +132,7 @@ class StructureParser(private val structure: AssistStructure) {
                 it.contains(View.AUTOFILL_HINT_USERNAME, true)
                         || it.contains(View.AUTOFILL_HINT_EMAIL_ADDRESS, true)
                         || it.contains("email", true)
-                        || it.contains(View.AUTOFILL_HINT_PHONE, true)-> {
+                        || it.contains(View.AUTOFILL_HINT_PHONE, true) -> {
                     result?.usernameId = autofillId
                     result?.usernameValue = node.autofillValue
                     Log.d(TAG, "Autofill username hint")
@@ -139,14 +141,123 @@ class StructureParser(private val structure: AssistStructure) {
                     result?.passwordId = autofillId
                     result?.passwordValue = node.autofillValue
                     Log.d(TAG, "Autofill password hint")
-                    // Username not needed in this case
-                    usernameNeeded = false
                     return true
                 }
+                it.contains("cc-name", true) -> {
+                    Log.d(TAG, "Autofill credit card name hint")
+                    result?.creditCardHolderId = autofillId
+                    result?.creditCardHolder = node.autofillValue?.textValue?.toString()
+                }
+                it.contains(View.AUTOFILL_HINT_CREDIT_CARD_NUMBER, true)
+                        || it.contains("cc-number", true) -> {
+                    Log.d(TAG, "Autofill credit card number hint")
+                    result?.creditCardNumberId = autofillId
+                    result?.creditCardNumber = node.autofillValue?.textValue?.toString()
+                }
+                // expect date string as defined in https://html.spec.whatwg.org, e.g. 2014-12
+                it.contains("cc-exp", true) -> {
+                    Log.d(TAG, "Autofill credit card expiration date hint")
+                    result?.creditCardExpirationDateId = autofillId
+                    node.autofillValue?.let { value ->
+                        if (value.isText && value.textValue.length == 7) {
+                            value.textValue.let { date ->
+                                try {
+                                    result?.creditCardExpirationValue = DateTime()
+                                        .withYear(date.substring(2, 4).toInt())
+                                        .withMonthOfYear(date.substring(5, 7).toInt())
+                                } catch(e: Exception) {
+                                    Log.e(TAG, "Unable to retrieve expiration", e)
+                                }
+                            }
+                        }
+                    }
+                }
+                it.contains(View.AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_DATE, true) -> {
+                    Log.d(TAG, "Autofill credit card expiration date hint")
+                    result?.creditCardExpirationDateId = autofillId
+                    node.autofillValue?.let { value ->
+                        if (value.isDate) {
+                            result?.creditCardExpirationValue = DateTime(value.dateValue)
+                        }
+                    }
+                }
+                it.contains(View.AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_YEAR, true)
+                        || it.contains("cc-exp-year", true) -> {
+                    Log.d(TAG, "Autofill credit card expiration year hint")
+                    result?.creditCardExpirationYearId = autofillId
+                    if (node.autofillOptions != null) {
+                        result?.creditCardExpirationYearOptions = node.autofillOptions
+                    }
+                    node.autofillValue?.let { value ->
+                        var year = 0
+                        try {
+                            if (value.isText) {
+                                year = value.textValue.toString().toInt()
+                            }
+                            if (value.isList) {
+                                year = node.autofillOptions?.get(value.listValue).toString().toInt()
+                            }
+                        } catch (e: Exception) {
+                            Log.e(TAG, "Unable to retrieve expiration year", e)
+                        }
+                        result?.creditCardExpirationYearValue = year % 100
+                    }
+                }
+                it.contains(View.AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_MONTH, true)
+                        || it.contains("cc-exp-month", true) -> {
+                    Log.d(TAG, "Autofill credit card expiration month hint")
+                    result?.creditCardExpirationMonthId = autofillId
+                    if (node.autofillOptions != null) {
+                        result?.creditCardExpirationMonthOptions = node.autofillOptions
+                    }
+                    node.autofillValue?.let { value ->
+                        var month = 0
+                        try {
+                            if (value.isText) {
+                                month = value.textValue.toString().toInt()
+                            }
+                            if (value.isList) {
+                                // assume list starts with January (index 0)
+                                month = value.listValue + 1
+                            }
+                        } catch (e: Exception) {
+                            Log.e(TAG, "Unable to retrieve expiration month", e)
+                        }
+                        result?.creditCardExpirationMonthValue = month
+                    }
+                }
+                it.contains(View.AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_DAY, true)
+                        || it.contains("cc-exp-day", true) -> {
+                    Log.d(TAG, "Autofill credit card expiration day hint")
+                    result?.creditCardExpirationDayId = autofillId
+                    if (node.autofillOptions != null) {
+                        result?.creditCardExpirationDayOptions = node.autofillOptions
+                    }
+                    node.autofillValue?.let { value ->
+                        var day = 0
+                        try {
+                            if (value.isText) {
+                                day = value.textValue.toString().toInt()
+                            }
+                            if (value.isList) {
+                                day = node.autofillOptions?.get(value.listValue).toString().toInt()
+                            }
+                        } catch (e: Exception) {
+                            Log.e(TAG, "Unable to retrieve expiration day", e)
+                        }
+                        result?.creditCardExpirationDayValue = day
+                    }
+                }
+                it.contains(View.AUTOFILL_HINT_CREDIT_CARD_SECURITY_CODE, true)
+                        || it.contains("cc-csc", true) -> {
+                    Log.d(TAG, "Autofill card security code hint")
+                    result?.cardVerificationValueId = autofillId
+                    result?.cardVerificationValue = node.autofillValue?.textValue?.toString()
+                }
                 // Ignore autocomplete="off"
                 // https://developer.mozilla.org/en-US/docs/Web/Security/Securing_your_site/Turning_off_form_autocompletion
                 it.equals("off", true) ||
-                it.equals("on", true) -> {
+                        it.equals("on", true) -> {
                     Log.d(TAG, "Autofill web hint")
                     return parseNodeByHtmlAttributes(node)
                 }
@@ -171,7 +282,7 @@ class StructureParser(private val structure: AssistStructure) {
                                     Log.d(TAG, "Autofill username web type: ${node.htmlInfo?.tag} ${node.htmlInfo?.attributes}")
                                 }
                                 "text" -> {
-                                    usernameCandidate = autofillId
+                                    usernameIdCandidate = autofillId
                                     usernameValueCandidate = node.autofillValue
                                     Log.d(TAG, "Autofill username candidate web type: ${node.htmlInfo?.tag} ${node.htmlInfo?.attributes}")
                                 }
@@ -219,18 +330,30 @@ class StructureParser(private val structure: AssistStructure) {
                             InputType.TYPE_TEXT_VARIATION_NORMAL,
                             InputType.TYPE_TEXT_VARIATION_PERSON_NAME,
                             InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT) -> {
-                        usernameCandidate = autofillId
+                        usernameIdCandidate = autofillId
                         usernameValueCandidate = node.autofillValue
                         Log.d(TAG, "Autofill username candidate android text type: ${showHexInputType(inputType)}")
                     }
+                    inputIsVariationType(inputType,
+                            InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) -> {
+                        // Some forms used visible password as username
+                        if (usernameIdCandidate == null && usernameValueCandidate == null) {
+                            usernameIdCandidate = autofillId
+                            usernameValueCandidate = node.autofillValue
+                            Log.d(TAG, "Autofill visible password android text type (as username): ${showHexInputType(inputType)}")
+                        } else if (result?.passwordId == null && result?.passwordValue == null) {
+                            result?.passwordId = autofillId
+                            result?.passwordValue = node.autofillValue
+                            Log.d(TAG, "Autofill visible password android text type (as password): ${showHexInputType(inputType)}")
+                            usernameNeeded = false
+                        }
+                    }
                     inputIsVariationType(inputType,
                             InputType.TYPE_TEXT_VARIATION_PASSWORD,
-                            InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD,
                             InputType.TYPE_TEXT_VARIATION_WEB_PASSWORD) -> {
                         result?.passwordId = autofillId
                         result?.passwordValue = node.autofillValue
                         Log.d(TAG, "Autofill password android text type: ${showHexInputType(inputType)}")
-                        usernameNeeded = false
                         return true
                     }
                     inputIsVariationType(inputType,
@@ -252,16 +375,15 @@ class StructureParser(private val structure: AssistStructure) {
                 when {
                     inputIsVariationType(inputType,
                             InputType.TYPE_NUMBER_VARIATION_NORMAL) -> {
-                        usernameCandidate = autofillId
+                        usernameIdCandidate = autofillId
                         usernameValueCandidate = node.autofillValue
-                        Log.d(TAG, "Autofill usernale candidate android number type: ${showHexInputType(inputType)}")
+                        Log.d(TAG, "Autofill username candidate android number type: ${showHexInputType(inputType)}")
                     }
                     inputIsVariationType(inputType,
                             InputType.TYPE_NUMBER_VARIATION_PASSWORD) -> {
                         result?.passwordId = autofillId
                         result?.passwordValue = node.autofillValue
                         Log.d(TAG, "Autofill password android number type: ${showHexInputType(inputType)}")
-                        usernameNeeded = false
                         return true
                     }
                     else -> {
@@ -275,6 +397,7 @@ class StructureParser(private val structure: AssistStructure) {
 
     @RequiresApi(api = Build.VERSION_CODES.O)
     class Result {
+        var isWebView: Boolean = false
         var applicationId: String? = null
 
         var webDomain: String? = null
@@ -289,6 +412,12 @@ class StructureParser(private val structure: AssistStructure) {
                     field = value
             }
 
+        // if the user selects the credit card expiration date from a list of options
+        // all options are stored here
+        var creditCardExpirationYearOptions: Array<CharSequence>? = null
+        var creditCardExpirationMonthOptions: Array<CharSequence>? = null
+        var creditCardExpirationDayOptions: Array<CharSequence>? = null
+
         var usernameId: AutofillId? = null
             set(value) {
                 if (field == null)
@@ -301,6 +430,48 @@ class StructureParser(private val structure: AssistStructure) {
                     field = value
             }
 
+        var creditCardHolderId: AutofillId? = null
+            set(value) {
+                if (field == null)
+                    field = value
+            }
+
+        var creditCardNumberId: AutofillId? = null
+            set(value) {
+                if (field == null)
+                    field = value
+            }
+
+        var creditCardExpirationDateId: AutofillId? = null
+            set(value) {
+                if (field == null)
+                    field = value
+            }
+
+        var creditCardExpirationYearId: AutofillId? = null
+            set(value) {
+                if (field == null)
+                    field = value
+            }
+
+        var creditCardExpirationMonthId: AutofillId? = null
+            set(value) {
+                if (field == null)
+                    field = value
+            }
+
+        var creditCardExpirationDayId: AutofillId? = null
+            set(value) {
+                if (field == null)
+                    field = value
+            }
+
+        var cardVerificationValueId: AutofillId? = null
+            set(value) {
+                if (field == null)
+                    field = value
+            }
+
         fun allAutofillIds(): Array<AutofillId> {
             val all = ArrayList<AutofillId>()
             usernameId?.let {
@@ -309,6 +480,15 @@ class StructureParser(private val structure: AssistStructure) {
             passwordId?.let {
                 all.add(it)
             }
+            creditCardHolderId?.let {
+                all.add(it)
+            }
+            creditCardNumberId?.let {
+                all.add(it)
+            }
+            cardVerificationValueId?.let {
+                all.add(it)
+            }
             return all.toTypedArray()
         }
 
@@ -326,6 +506,52 @@ class StructureParser(private val structure: AssistStructure) {
                 if (allowSaveValues && field == null)
                     field = value
             }
+
+        var creditCardHolder: String? = null
+            set(value) {
+                if (allowSaveValues)
+                    field = value
+            }
+
+        var creditCardNumber: String? = null
+            set(value) {
+                if (allowSaveValues)
+                    field = value
+            }
+
+        // format MMYY
+        var creditCardExpirationValue: DateTime? = null
+            set(value) {
+                if (allowSaveValues)
+                    field = value
+            }
+
+        // for year of CC expiration date: YY
+        var creditCardExpirationYearValue = 0
+            set(value) {
+                if (allowSaveValues)
+                    field = value
+            }
+
+        // for month of CC expiration date: MM
+        var creditCardExpirationMonthValue = 0
+            set(value) {
+                if (allowSaveValues)
+                    field = value
+            }
+
+        var creditCardExpirationDayValue = 0
+            set(value) {
+                if (allowSaveValues)
+                    field = value
+            }
+
+        // the security code for the credit card (also called CVV)
+        var cardVerificationValue: String? = null
+            set(value) {
+                if (allowSaveValues)
+                    field = value
+            }
     }
 
     companion object {

app/src/main/java/com/kunzisoft/keepass/biometric/AdvancedUnlockFragment.kt

@@ -30,15 +30,17 @@ import android.view.*
 import androidx.annotation.RequiresApi
 import androidx.biometric.BiometricManager
 import androidx.biometric.BiometricPrompt
+import androidx.lifecycle.lifecycleScope
 import com.getkeepsafe.taptargetview.TapTargetView
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.stylish.StylishFragment
 import com.kunzisoft.keepass.app.database.CipherDatabaseAction
 import com.kunzisoft.keepass.database.exception.IODatabaseException
 import com.kunzisoft.keepass.education.PasswordActivityEducation
-import com.kunzisoft.keepass.services.AdvancedUnlockNotificationService
 import com.kunzisoft.keepass.settings.PreferencesUtil
 import com.kunzisoft.keepass.view.AdvancedUnlockInfoView
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 
 class AdvancedUnlockFragment: StylishFragment(), AdvancedUnlockManager.AdvancedUnlockCallback {
 
@@ -68,7 +70,7 @@ class AdvancedUnlockFragment: StylishFragment(), AdvancedUnlockManager.AdvancedU
 
     private lateinit var cipherDatabaseAction : CipherDatabaseAction
 
-    private var cipherDatabaseListener: CipherDatabaseAction.DatabaseListener? = null
+    private var cipherDatabaseListener: CipherDatabaseAction.CipherDatabaseListener? = null
 
     // Only to fix multiple fingerprint menu #332
     private var mAllowAdvancedUnlockMenu = false
@@ -125,8 +127,10 @@ class AdvancedUnlockFragment: StylishFragment(), AdvancedUnlockManager.AdvancedU
 
     override fun onResume() {
         super.onResume()
-        mAdvancedUnlockEnabled = PreferencesUtil.isAdvancedUnlockEnable(requireContext())
+        context?.let {
-        mAutoOpenPromptEnabled = PreferencesUtil.isAdvancedUnlockPromptAutoOpenEnable(requireContext())
+            mAdvancedUnlockEnabled = PreferencesUtil.isAdvancedUnlockEnable(it)
+            mAutoOpenPromptEnabled = PreferencesUtil.isAdvancedUnlockPromptAutoOpenEnable(it)
+        }
         keepConnection = false
     }
 
@@ -176,34 +180,36 @@ class AdvancedUnlockFragment: StylishFragment(), AdvancedUnlockManager.AdvancedU
      * Check unlock availability and change the current mode depending of device's state
      */
     fun checkUnlockAvailability() {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+        context?.let { context ->
-            allowOpenBiometricPrompt = true
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-            if (PreferencesUtil.isBiometricUnlockEnable(requireContext())) {
+                allowOpenBiometricPrompt = true
-                mAdvancedUnlockInfoView?.setIconResource(R.drawable.fingerprint)
+                if (PreferencesUtil.isBiometricUnlockEnable(context)) {
+                    mAdvancedUnlockInfoView?.setIconResource(R.drawable.fingerprint)
 
-                // biometric not supported (by API level or hardware) so keep option hidden
+                    // biometric not supported (by API level or hardware) so keep option hidden
-                // or manually disable
+                    // or manually disable
-                val biometricCanAuthenticate = AdvancedUnlockManager.canAuthenticate(requireContext())
+                    val biometricCanAuthenticate = AdvancedUnlockManager.canAuthenticate(context)
-                if (!PreferencesUtil.isAdvancedUnlockEnable(requireContext())
+                    if (!PreferencesUtil.isAdvancedUnlockEnable(context)
-                        || biometricCanAuthenticate == BiometricManager.BIOMETRIC_ERROR_HW_UNAVAILABLE
+                            || biometricCanAuthenticate == BiometricManager.BIOMETRIC_ERROR_HW_UNAVAILABLE
-                        || biometricCanAuthenticate == BiometricManager.BIOMETRIC_ERROR_NO_HARDWARE) {
+                            || biometricCanAuthenticate == BiometricManager.BIOMETRIC_ERROR_NO_HARDWARE) {
-                    toggleMode(Mode.BIOMETRIC_UNAVAILABLE)
+                        toggleMode(Mode.BIOMETRIC_UNAVAILABLE)
-                } else if (biometricCanAuthenticate == BiometricManager.BIOMETRIC_ERROR_SECURITY_UPDATE_REQUIRED) {
+                    } else if (biometricCanAuthenticate == BiometricManager.BIOMETRIC_ERROR_SECURITY_UPDATE_REQUIRED) {
-                    toggleMode(Mode.BIOMETRIC_SECURITY_UPDATE_REQUIRED)
+                        toggleMode(Mode.BIOMETRIC_SECURITY_UPDATE_REQUIRED)
-                } else {
-                    // biometric is available but not configured, show icon but in disabled state with some information
-                    if (biometricCanAuthenticate == BiometricManager.BIOMETRIC_ERROR_NONE_ENROLLED) {
-                        toggleMode(Mode.DEVICE_CREDENTIAL_OR_BIOMETRIC_NOT_CONFIGURED)
                     } else {
-                        selectMode()
+                        // biometric is available but not configured, show icon but in disabled state with some information
+                        if (biometricCanAuthenticate == BiometricManager.BIOMETRIC_ERROR_NONE_ENROLLED) {
+                            toggleMode(Mode.DEVICE_CREDENTIAL_OR_BIOMETRIC_NOT_CONFIGURED)
+                        } else {
+                            selectMode()
+                        }
+                    }
+                } else if (PreferencesUtil.isDeviceCredentialUnlockEnable(context)) {
+                    mAdvancedUnlockInfoView?.setIconResource(R.drawable.bolt)
+                    if (AdvancedUnlockManager.isDeviceSecure(context)) {
+                        selectMode()
+                    } else {
+                        toggleMode(Mode.DEVICE_CREDENTIAL_OR_BIOMETRIC_NOT_CONFIGURED)
                     }
-                }
-            } else if (PreferencesUtil.isDeviceCredentialUnlockEnable(requireContext())) {
-                mAdvancedUnlockInfoView?.setIconResource(R.drawable.bolt)
-                if (AdvancedUnlockManager.isDeviceSecure(requireContext())) {
-                    selectMode()
-                } else {
-                    toggleMode(Mode.DEVICE_CREDENTIAL_OR_BIOMETRIC_NOT_CONFIGURED)
                 }
             }
         }
@@ -261,7 +267,7 @@ class AdvancedUnlockFragment: StylishFragment(), AdvancedUnlockManager.AdvancedU
     private fun openBiometricSetting() {
         mAdvancedUnlockInfoView?.setIconViewClickListener(false) {
             // ACTION_SECURITY_SETTINGS does not contain fingerprint enrollment on some devices...
-            requireContext().startActivity(Intent(Settings.ACTION_SETTINGS))
+            context?.startActivity(Intent(Settings.ACTION_SETTINGS))
         }
     }
 
@@ -296,15 +302,17 @@ class AdvancedUnlockFragment: StylishFragment(), AdvancedUnlockManager.AdvancedU
         setAdvancedUnlockedTitleView(R.string.no_credentials_stored)
         setAdvancedUnlockedMessageView("")
 
-        mAdvancedUnlockInfoView?.setIconViewClickListener(false) {
+        context?.let { context ->
-            onAuthenticationError(BiometricPrompt.ERROR_UNABLE_TO_PROCESS,
+            mAdvancedUnlockInfoView?.setIconViewClickListener(false) {
-                    requireContext().getString(R.string.credential_before_click_advanced_unlock_button))
+                onAuthenticationError(BiometricPrompt.ERROR_UNABLE_TO_PROCESS,
+                        context.getString(R.string.credential_before_click_advanced_unlock_button))
+            }
         }
     }
 
     @RequiresApi(Build.VERSION_CODES.M)
     private fun openAdvancedUnlockPrompt(cryptoPrompt: AdvancedUnlockCryptoPrompt) {
-        activity?.runOnUiThread {
+        lifecycleScope.launch(Dispatchers.Main) {
             if (allowOpenBiometricPrompt) {
                 if (cryptoPrompt.isDeviceCredentialOperation)
                     keepConnection = true
@@ -402,9 +410,10 @@ class AdvancedUnlockFragment: StylishFragment(), AdvancedUnlockManager.AdvancedU
     fun connect(databaseUri: Uri) {
         showViews(true)
         this.databaseFileUri = databaseUri
-        cipherDatabaseListener = object: CipherDatabaseAction.DatabaseListener {
+        cipherDatabaseListener = object: CipherDatabaseAction.CipherDatabaseListener {
-            override fun onDatabaseCleared() {
+            override fun onCipherDatabaseCleared() {
-                deleteEncryptedDatabaseKey()
+                advancedUnlockManager?.closeBiometricPrompt()
+                checkUnlockAvailability()
             }
         }
         cipherDatabaseAction.apply {
@@ -435,18 +444,16 @@ class AdvancedUnlockFragment: StylishFragment(), AdvancedUnlockManager.AdvancedU
 
     @RequiresApi(Build.VERSION_CODES.M)
     fun deleteEncryptedDatabaseKey() {
-        allowOpenBiometricPrompt = false
-        mAdvancedUnlockInfoView?.setIconViewClickListener(false, null)
         advancedUnlockManager?.closeBiometricPrompt()
         databaseFileUri?.let { databaseUri ->
             cipherDatabaseAction.deleteByDatabaseUri(databaseUri) {
                 checkUnlockAvailability()
             }
-        }
+        } ?: checkUnlockAvailability()
     }
 
     override fun onAuthenticationError(errorCode: Int, errString: CharSequence) {
-        activity?.runOnUiThread {
+        lifecycleScope.launch(Dispatchers.Main) {
             Log.e(TAG, "Biometric authentication error. Code : $errorCode Error : $errString")
             setAdvancedUnlockedMessageView(errString.toString())
         }
@@ -454,7 +461,7 @@ class AdvancedUnlockFragment: StylishFragment(), AdvancedUnlockManager.AdvancedU
 
     @RequiresApi(Build.VERSION_CODES.M)
     override fun onAuthenticationFailed() {
-        activity?.runOnUiThread {
+        lifecycleScope.launch(Dispatchers.Main) {
             Log.e(TAG, "Biometric authentication failed, biometric not recognized")
             setAdvancedUnlockedMessageView(R.string.advanced_unlock_not_recognized)
         }
@@ -462,7 +469,7 @@ class AdvancedUnlockFragment: StylishFragment(), AdvancedUnlockManager.AdvancedU
 
     @RequiresApi(Build.VERSION_CODES.M)
     override fun onAuthenticationSucceeded() {
-        activity?.runOnUiThread {
+        lifecycleScope.launch(Dispatchers.Main) {
             when (biometricMode) {
                 Mode.BIOMETRIC_UNAVAILABLE -> {
                 }
@@ -479,7 +486,6 @@ class AdvancedUnlockFragment: StylishFragment(), AdvancedUnlockManager.AdvancedU
                     mBuilderListener?.retrieveCredentialForEncryption()?.let { credential ->
                         advancedUnlockManager?.encryptData(credential)
                     }
-                    AdvancedUnlockNotificationService.startServiceForTimeout(requireContext())
                 }
                 Mode.EXTRACT_CREDENTIAL -> {
                     // retrieve the encrypted value from preferences
@@ -521,7 +527,7 @@ class AdvancedUnlockFragment: StylishFragment(), AdvancedUnlockManager.AdvancedU
     }
 
     private fun showViews(show: Boolean) {
-        activity?.runOnUiThread {
+        lifecycleScope.launch(Dispatchers.Main) {
             mAdvancedUnlockInfoView?.visibility = if (show)
                 View.VISIBLE
             else {
@@ -532,20 +538,20 @@ class AdvancedUnlockFragment: StylishFragment(), AdvancedUnlockManager.AdvancedU
 
     @RequiresApi(Build.VERSION_CODES.M)
     private fun setAdvancedUnlockedTitleView(textId: Int) {
-        activity?.runOnUiThread {
+        lifecycleScope.launch(Dispatchers.Main) {
             mAdvancedUnlockInfoView?.setTitle(textId)
         }
     }
 
     @RequiresApi(Build.VERSION_CODES.M)
     private fun setAdvancedUnlockedMessageView(textId: Int) {
-        activity?.runOnUiThread {
+        lifecycleScope.launch(Dispatchers.Main) {
             mAdvancedUnlockInfoView?.setMessage(textId)
         }
     }
 
     private fun setAdvancedUnlockedMessageView(text: CharSequence) {
-        activity?.runOnUiThread {
+        lifecycleScope.launch(Dispatchers.Main) {
             mAdvancedUnlockInfoView?.message = text
         }
     }

app/src/main/java/com/kunzisoft/keepass/database/action/CreateDatabaseRunnable.kt

@@ -26,13 +26,13 @@ import com.kunzisoft.keepass.app.database.FileDatabaseHistoryAction
 import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.model.MainCredential
 import com.kunzisoft.keepass.settings.PreferencesUtil
-import com.kunzisoft.keepass.utils.UriUtil
 
 class CreateDatabaseRunnable(context: Context,
                              private val mDatabase: Database,
                              databaseUri: Uri,
                              private val databaseName: String,
                              private val rootName: String,
+                             private val templateGroupName: String?,
                              mainCredential: MainCredential,
                              private val createDatabaseResult: ((Result) -> Unit)?)
     : AssignPasswordInDatabaseRunnable(context, mDatabase, databaseUri, mainCredential) {
@@ -41,10 +41,10 @@ class CreateDatabaseRunnable(context: Context,
         try {
             // Create new database record
             mDatabase.apply {
-                createData(mDatabaseUri, databaseName, rootName)
+                createData(mDatabaseUri, databaseName, rootName, templateGroupName)
             }
         } catch (e: Exception) {
-            mDatabase.clearAndClose(UriUtil.getBinaryDir(context))
+            mDatabase.clearAndClose(context)
             setError(e)
         }
 

app/src/main/java/com/kunzisoft/keepass/database/action/DatabaseTaskProvider.kt

@@ -19,18 +19,23 @@
  */
 package com.kunzisoft.keepass.database.action
 
+import android.app.Service
 import android.content.*
-import android.content.Context.BIND_ABOVE_CLIENT
+import android.content.Context.*
-import android.content.Context.BIND_NOT_FOREGROUND
 import android.net.Uri
 import android.os.Bundle
 import android.os.IBinder
+import android.util.Log
+import android.widget.Toast
 import androidx.fragment.app.FragmentActivity
+import androidx.lifecycle.lifecycleScope
+import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.dialogs.DatabaseChangedDialogFragment
 import com.kunzisoft.keepass.activities.dialogs.DatabaseChangedDialogFragment.Companion.DATABASE_CHANGED_DIALOG_TAG
 import com.kunzisoft.keepass.app.database.CipherDatabaseEntity
 import com.kunzisoft.keepass.database.crypto.EncryptionAlgorithm
 import com.kunzisoft.keepass.database.crypto.kdf.KdfEngine
+import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.element.Entry
 import com.kunzisoft.keepass.database.element.Group
 import com.kunzisoft.keepass.database.element.database.CompressionAlgorithm
@@ -67,21 +72,35 @@ import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.
 import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_MEMORY_USAGE_TASK
 import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_NAME_TASK
 import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_PARALLELISM_TASK
+import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_RECYCLE_BIN_TASK
+import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_TEMPLATES_GROUP_TASK
 import com.kunzisoft.keepass.services.DatabaseTaskNotificationService.Companion.getBundleFromListNodes
 import com.kunzisoft.keepass.tasks.ActionRunnable
 import com.kunzisoft.keepass.tasks.ProgressTaskDialogFragment
 import com.kunzisoft.keepass.tasks.ProgressTaskDialogFragment.Companion.PROGRESS_TASK_DIALOG_TAG
 import com.kunzisoft.keepass.utils.DATABASE_START_TASK_ACTION
 import com.kunzisoft.keepass.utils.DATABASE_STOP_TASK_ACTION
+import kotlinx.coroutines.launch
 import java.util.*
 import kotlin.collections.ArrayList
 
-class ProgressDatabaseTaskProvider(private val activity: FragmentActivity) {
+/**
+ * Utility class to connect an activity or a service to the DatabaseTaskNotificationService,
+ * Useful to retrieve a database instance and sending tasks commands
+ */
+class DatabaseTaskProvider {
 
-    var onActionFinish: ((actionTask: String,
+    private var activity: FragmentActivity? = null
+    private var service: Service? = null
+    private var context: Context
+
+    var onDatabaseRetrieved: ((database: Database?) -> Unit)? = null
+
+    var onActionFinish: ((database: Database,
+                          actionTask: String,
                           result: ActionRunnable.Result) -> Unit)? = null
 
-    private var intentDatabaseTask = Intent(activity.applicationContext, DatabaseTaskNotificationService::class.java)
+    private var intentDatabaseTask: Intent
 
     private var databaseTaskBroadcastReceiver: BroadcastReceiver? = null
     private var mBinder: DatabaseTaskNotificationService.ActionTaskBinder? = null
@@ -91,17 +110,31 @@ class ProgressDatabaseTaskProvider(private val activity: FragmentActivity) {
     private var progressTaskDialogFragment: ProgressTaskDialogFragment? = null
     private var databaseChangedDialogFragment: DatabaseChangedDialogFragment? = null
 
+    constructor(activity: FragmentActivity) {
+        this.activity = activity
+        this.context = activity
+        this.intentDatabaseTask = Intent(activity.applicationContext,
+            DatabaseTaskNotificationService::class.java)
+    }
+
+    constructor(service: Service) {
+        this.service = service
+        this.context = service
+        this.intentDatabaseTask = Intent(service.applicationContext,
+            DatabaseTaskNotificationService::class.java)
+    }
+
     private val actionTaskListener = object: DatabaseTaskNotificationService.ActionTaskListener {
-        override fun onStartAction(titleId: Int?, messageId: Int?, warningId: Int?) {
+        override fun onStartAction(database: Database, titleId: Int?, messageId: Int?, warningId: Int?) {
             startDialog(titleId, messageId, warningId)
         }
 
-        override fun onUpdateAction(titleId: Int?, messageId: Int?, warningId: Int?) {
+        override fun onUpdateAction(database: Database, titleId: Int?, messageId: Int?, warningId: Int?) {
             updateDialog(titleId, messageId, warningId)
         }
 
-        override fun onStopAction(actionTask: String, result: ActionRunnable.Result) {
+        override fun onStopAction(database: Database, actionTask: String, result: ActionRunnable.Result) {
-            onActionFinish?.invoke(actionTask, result)
+            onActionFinish?.invoke(database, actionTask, result)
             // Remove the progress task
             stopDialog()
         }
@@ -116,31 +149,56 @@ class ProgressDatabaseTaskProvider(private val activity: FragmentActivity) {
     private var databaseInfoListener = object: DatabaseTaskNotificationService.DatabaseInfoListener {
         override fun onDatabaseInfoChanged(previousDatabaseInfo: SnapFileDatabaseInfo,
                                            newDatabaseInfo: SnapFileDatabaseInfo) {
-            if (databaseChangedDialogFragment == null) {
+            activity?.let { activity ->
-                databaseChangedDialogFragment = activity.supportFragmentManager
+                activity.lifecycleScope.launch {
-                        .findFragmentByTag(DATABASE_CHANGED_DIALOG_TAG) as DatabaseChangedDialogFragment?
+                    if (databaseChangedDialogFragment == null) {
-                databaseChangedDialogFragment?.actionDatabaseListener = mActionDatabaseListener
+                        databaseChangedDialogFragment = activity.supportFragmentManager
-            }
+                            .findFragmentByTag(DATABASE_CHANGED_DIALOG_TAG) as DatabaseChangedDialogFragment?
-            if (progressTaskDialogFragment == null) {
+                        databaseChangedDialogFragment?.actionDatabaseListener =
-                databaseChangedDialogFragment = DatabaseChangedDialogFragment.getInstance(previousDatabaseInfo, newDatabaseInfo)
+                            mActionDatabaseListener
-                databaseChangedDialogFragment?.actionDatabaseListener = mActionDatabaseListener
+                    }
-                databaseChangedDialogFragment?.show(activity.supportFragmentManager, DATABASE_CHANGED_DIALOG_TAG)
+                    if (progressTaskDialogFragment == null) {
+                        databaseChangedDialogFragment = DatabaseChangedDialogFragment.getInstance(
+                            previousDatabaseInfo,
+                            newDatabaseInfo
+                        )
+                        databaseChangedDialogFragment?.actionDatabaseListener =
+                            mActionDatabaseListener
+                        databaseChangedDialogFragment?.show(
+                            activity.supportFragmentManager,
+                            DATABASE_CHANGED_DIALOG_TAG
+                        )
+                    }
+                }
             }
         }
     }
 
+    private var databaseListener = object: DatabaseTaskNotificationService.DatabaseListener {
+        override fun onDatabaseRetrieved(database: Database?) {
+            onDatabaseRetrieved?.invoke(database)
+        }
+    }
+
     private fun startDialog(titleId: Int? = null,
                             messageId: Int? = null,
                             warningId: Int? = null) {
-        if (progressTaskDialogFragment == null) {
+        activity?.let { activity ->
-            progressTaskDialogFragment = activity.supportFragmentManager
+            activity.lifecycleScope.launch {
-                    .findFragmentByTag(PROGRESS_TASK_DIALOG_TAG) as ProgressTaskDialogFragment?
+                if (progressTaskDialogFragment == null) {
+                    progressTaskDialogFragment = activity.supportFragmentManager
+                        .findFragmentByTag(PROGRESS_TASK_DIALOG_TAG) as ProgressTaskDialogFragment?
+                }
+                if (progressTaskDialogFragment == null) {
+                    progressTaskDialogFragment = ProgressTaskDialogFragment()
+                    progressTaskDialogFragment?.show(
+                        activity.supportFragmentManager,
+                        PROGRESS_TASK_DIALOG_TAG
+                    )
+                }
+                updateDialog(titleId, messageId, warningId)
+            }
         }
-        if (progressTaskDialogFragment == null) {
-            progressTaskDialogFragment = ProgressTaskDialogFragment()
-            progressTaskDialogFragment?.show(activity.supportFragmentManager, PROGRESS_TASK_DIALOG_TAG)
-        }
-        updateDialog(titleId, messageId, warningId)
     }
 
     private fun updateDialog(titleId: Int?, messageId: Int?, warningId: Int?) {
@@ -167,16 +225,19 @@ class ProgressDatabaseTaskProvider(private val activity: FragmentActivity) {
             serviceConnection = object : ServiceConnection {
                 override fun onServiceConnected(name: ComponentName?, serviceBinder: IBinder?) {
                     mBinder = (serviceBinder as DatabaseTaskNotificationService.ActionTaskBinder?)?.apply {
-                        addActionTaskListener(actionTaskListener)
+                        addDatabaseListener(databaseListener)
                         addDatabaseFileInfoListener(databaseInfoListener)
-                        getService().checkAction()
+                        addActionTaskListener(actionTaskListener)
+                        getService().checkDatabase()
                         getService().checkDatabaseInfo()
+                        getService().checkAction()
                     }
                 }
 
                 override fun onServiceDisconnected(name: ComponentName?) {
-                    mBinder?.removeDatabaseFileInfoListener(databaseInfoListener)
                     mBinder?.removeActionTaskListener(actionTaskListener)
+                    mBinder?.removeDatabaseFileInfoListener(databaseInfoListener)
+                    mBinder?.removeDatabaseListener(databaseListener)
                     mBinder = null
                 }
             }
@@ -186,7 +247,7 @@ class ProgressDatabaseTaskProvider(private val activity: FragmentActivity) {
     private fun bindService() {
         initServiceConnection()
         serviceConnection?.let {
-            activity.bindService(intentDatabaseTask, it, BIND_NOT_FOREGROUND or BIND_ABOVE_CLIENT)
+            context.bindService(intentDatabaseTask, it, BIND_AUTO_CREATE or BIND_NOT_FOREGROUND or BIND_ABOVE_CLIENT)
         }
     }
 
@@ -195,7 +256,7 @@ class ProgressDatabaseTaskProvider(private val activity: FragmentActivity) {
      */
     private fun unBindService() {
         serviceConnection?.let {
-            activity.unbindService(it)
+            context.unbindService(it)
         }
         serviceConnection = null
     }
@@ -223,7 +284,7 @@ class ProgressDatabaseTaskProvider(private val activity: FragmentActivity) {
                 }
             }
         }
-        activity.registerReceiver(databaseTaskBroadcastReceiver,
+        context.registerReceiver(databaseTaskBroadcastReceiver,
                 IntentFilter().apply {
                     addAction(DATABASE_START_TASK_ACTION)
                     addAction(DATABASE_STOP_TASK_ACTION)
@@ -237,25 +298,30 @@ class ProgressDatabaseTaskProvider(private val activity: FragmentActivity) {
     fun unregisterProgressTask() {
         stopDialog()
 
-        mBinder?.removeDatabaseFileInfoListener(databaseInfoListener)
         mBinder?.removeActionTaskListener(actionTaskListener)
+        mBinder?.removeDatabaseFileInfoListener(databaseInfoListener)
+        mBinder?.removeDatabaseListener(databaseListener)
         mBinder = null
 
         unBindService()
 
         try {
-            activity.unregisterReceiver(databaseTaskBroadcastReceiver)
+            context.unregisterReceiver(databaseTaskBroadcastReceiver)
         } catch (e: IllegalArgumentException) {
             // If receiver not register, do nothing
         }
     }
 
     private fun start(bundle: Bundle? = null, actionTask: String) {
-        activity.stopService(intentDatabaseTask)
+        try {
-        if (bundle != null)
+            if (bundle != null)
-            intentDatabaseTask.putExtras(bundle)
+                intentDatabaseTask.putExtras(bundle)
-        intentDatabaseTask.action = actionTask
+            intentDatabaseTask.action = actionTask
-        activity.startService(intentDatabaseTask)
+            context.startService(intentDatabaseTask)
+        } catch (e: Exception) {
+            Log.e(TAG, "Unable to perform database action", e)
+            Toast.makeText(activity, R.string.error_start_database_action, Toast.LENGTH_LONG).show()
+        }
     }
 
     /*
@@ -364,9 +430,7 @@ class ProgressDatabaseTaskProvider(private val activity: FragmentActivity) {
         nodesPaste.forEach { nodeVersioned ->
             when (nodeVersioned.type) {
                 Type.GROUP -> {
-                    (nodeVersioned as Group).nodeId?.let { groupId ->
+                    groupsIdToCopy.add((nodeVersioned as Group).nodeId)
-                        groupsIdToCopy.add(groupId)
-                    }
                 }
                 Type.ENTRY -> {
                     entriesIdToCopy.add((nodeVersioned as Entry).nodeId)
@@ -409,22 +473,22 @@ class ProgressDatabaseTaskProvider(private val activity: FragmentActivity) {
       -----------------
     */
 
-    fun startDatabaseRestoreEntryHistory(mainEntry: Entry,
+    fun startDatabaseRestoreEntryHistory(mainEntryId: NodeId<UUID>,
                                          entryHistoryPosition: Int,
                                          save: Boolean) {
         start(Bundle().apply {
-            putParcelable(DatabaseTaskNotificationService.ENTRY_ID_KEY, mainEntry.nodeId)
+            putParcelable(DatabaseTaskNotificationService.ENTRY_ID_KEY, mainEntryId)
             putInt(DatabaseTaskNotificationService.ENTRY_HISTORY_POSITION_KEY, entryHistoryPosition)
             putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
         }
                 , ACTION_DATABASE_RESTORE_ENTRY_HISTORY)
     }
 
-    fun startDatabaseDeleteEntryHistory(mainEntry: Entry,
+    fun startDatabaseDeleteEntryHistory(mainEntryId: NodeId<UUID>,
                                         entryHistoryPosition: Int,
                                         save: Boolean) {
         start(Bundle().apply {
-            putParcelable(DatabaseTaskNotificationService.ENTRY_ID_KEY, mainEntry.nodeId)
+            putParcelable(DatabaseTaskNotificationService.ENTRY_ID_KEY, mainEntryId)
             putInt(DatabaseTaskNotificationService.ENTRY_HISTORY_POSITION_KEY, entryHistoryPosition)
             putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
         }
@@ -499,6 +563,28 @@ class ProgressDatabaseTaskProvider(private val activity: FragmentActivity) {
                 , ACTION_DATABASE_REMOVE_UNLINKED_DATA_TASK)
     }
 
+    fun startDatabaseSaveRecycleBin(oldRecycleBin: Group?,
+                                    newRecycleBin: Group?,
+                                    save: Boolean) {
+        start(Bundle().apply {
+            putParcelable(DatabaseTaskNotificationService.OLD_ELEMENT_KEY, oldRecycleBin)
+            putParcelable(DatabaseTaskNotificationService.NEW_ELEMENT_KEY, newRecycleBin)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+            , ACTION_DATABASE_UPDATE_RECYCLE_BIN_TASK)
+    }
+
+    fun startDatabaseSaveTemplatesGroup(oldTemplatesGroup: Group?,
+                                        newTemplatesGroup: Group?,
+                                        save: Boolean) {
+        start(Bundle().apply {
+            putParcelable(DatabaseTaskNotificationService.OLD_ELEMENT_KEY, oldTemplatesGroup)
+            putParcelable(DatabaseTaskNotificationService.NEW_ELEMENT_KEY, newTemplatesGroup)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+            , ACTION_DATABASE_UPDATE_TEMPLATES_GROUP_TASK)
+    }
+
     fun startDatabaseSaveMaxHistoryItems(oldMaxHistoryItems: Int,
                                          newMaxHistoryItems: Int,
                                          save: Boolean) {
@@ -591,4 +677,8 @@ class ProgressDatabaseTaskProvider(private val activity: FragmentActivity) {
         }
                 , ACTION_DATABASE_SAVE)
     }
+
+    companion object {
+        private val TAG = DatabaseTaskProvider::class.java.name
+    }
 }

app/src/main/java/com/kunzisoft/keepass/database/action/LoadDatabaseRunnable.kt

@@ -25,8 +25,8 @@ import com.kunzisoft.keepass.app.database.CipherDatabaseAction
 import com.kunzisoft.keepass.app.database.CipherDatabaseEntity
 import com.kunzisoft.keepass.app.database.FileDatabaseHistoryAction
 import com.kunzisoft.keepass.database.element.Database
-import com.kunzisoft.keepass.database.element.binary.LoadedKey
 import com.kunzisoft.keepass.database.element.binary.BinaryData
+import com.kunzisoft.keepass.database.element.binary.LoadedKey
 import com.kunzisoft.keepass.database.exception.LoadDatabaseException
 import com.kunzisoft.keepass.model.MainCredential
 import com.kunzisoft.keepass.settings.PreferencesUtil
@@ -47,7 +47,7 @@ class LoadDatabaseRunnable(private val context: Context,
 
     override fun onStartRun() {
         // Clear before we load
-        mDatabase.clearAndClose(UriUtil.getBinaryDir(context))
+        mDatabase.clearAndClose(context)
     }
 
     override fun onActionRun() {
@@ -85,7 +85,7 @@ class LoadDatabaseRunnable(private val context: Context,
             // Register the current time to init the lock timer
             PreferencesUtil.saveCurrentTime(context)
         } else {
-            mDatabase.clearAndClose(UriUtil.getBinaryDir(context))
+            mDatabase.clearAndClose(context)
         }
     }
 

app/src/main/java/com/kunzisoft/keepass/database/action/ReloadDatabaseRunnable.kt

@@ -21,8 +21,8 @@ package com.kunzisoft.keepass.database.action
 
 import android.content.Context
 import com.kunzisoft.keepass.database.element.Database
-import com.kunzisoft.keepass.database.element.binary.LoadedKey
 import com.kunzisoft.keepass.database.element.binary.BinaryData
+import com.kunzisoft.keepass.database.element.binary.LoadedKey
 import com.kunzisoft.keepass.database.exception.LoadDatabaseException
 import com.kunzisoft.keepass.settings.PreferencesUtil
 import com.kunzisoft.keepass.tasks.ActionRunnable
@@ -62,7 +62,7 @@ class ReloadDatabaseRunnable(private val context: Context,
             PreferencesUtil.saveCurrentTime(context)
         } else {
             tempCipherKey = null
-            mDatabase.clearAndClose(UriUtil.getBinaryDir(context))
+            mDatabase.clearAndClose(context)
         }
     }
 

app/src/main/java/com/kunzisoft/keepass/database/action/node/DeleteNodesRunnable.kt

@@ -31,41 +31,47 @@ class DeleteNodesRunnable(context: Context,
                           afterActionNodesFinish: AfterActionNodesFinish)
     : ActionNodeDatabaseRunnable(context, database, afterActionNodesFinish, save) {
 
-    private var mParent: Group? = null
+    private var mOldParent: Group? = null
     private var mCanRecycle: Boolean = false
 
     private var mNodesToDeleteBackup = ArrayList<Node>()
 
     override fun nodeAction() {
 
-        foreachNode@ for(currentNode in mNodesToDelete) {
+        foreachNode@ for(nodeToDelete in mNodesToDelete) {
-            mParent = currentNode.parent
+            mOldParent = nodeToDelete.parent
-            mParent?.touch(modified = false, touchParents = true)
+            mOldParent?.touch(modified = false, touchParents = true)
 
-            when (currentNode.type) {
+            when (nodeToDelete.type) {
                 Type.GROUP -> {
+                    val groupToDelete = nodeToDelete as Group
                     // Create a copy to keep the old ref and remove it visually
-                    mNodesToDeleteBackup.add(Group(currentNode as Group))
+                    mNodesToDeleteBackup.add(Group(groupToDelete))
                     // Remove Node from parent
-                    mCanRecycle = database.canRecycle(currentNode)
+                    mCanRecycle = database.canRecycle(groupToDelete)
                     if (mCanRecycle) {
-                        database.recycle(currentNode, context.resources)
+                        groupToDelete.touch(modified = false, touchParents = true)
+                        database.recycle(groupToDelete, context.resources)
+                        groupToDelete.setPreviousParentGroup(mOldParent)
                     } else {
-                        database.deleteGroup(currentNode)
+                        database.deleteGroup(groupToDelete)
                     }
                 }
                 Type.ENTRY -> {
+                    val entryToDelete = nodeToDelete as Entry
                     // Create a copy to keep the old ref and remove it visually
-                    mNodesToDeleteBackup.add(Entry(currentNode as Entry))
+                    mNodesToDeleteBackup.add(Entry(entryToDelete))
                     // Remove Node from parent
-                    mCanRecycle = database.canRecycle(currentNode)
+                    mCanRecycle = database.canRecycle(entryToDelete)
                     if (mCanRecycle) {
-                        database.recycle(currentNode, context.resources)
+                        entryToDelete.touch(modified = false, touchParents = true)
+                        database.recycle(entryToDelete, context.resources)
+                        entryToDelete.setPreviousParentGroup(mOldParent)
                     } else {
-                        database.deleteEntry(currentNode)
+                        database.deleteEntry(entryToDelete)
                     }
                     // Remove the oldest attachments
-                    currentNode.getAttachments(database.attachmentPool).forEach {
+                    entryToDelete.getAttachments(database.attachmentPool).forEach {
                         database.removeAttachmentIfNotUsed(it)
                     }
                 }
@@ -76,7 +82,7 @@ class DeleteNodesRunnable(context: Context,
     override fun nodeFinish(): ActionNodesValues {
         if (!result.isSuccess) {
             if (mCanRecycle) {
-                mParent?.let {
+                mOldParent?.let {
                     mNodesToDeleteBackup.forEach { backupNode ->
                         when (backupNode.type) {
                             Type.GROUP -> {

app/src/main/java/com/kunzisoft/keepass/database/action/node/MoveNodesRunnable.kt

@@ -24,7 +24,7 @@ import android.util.Log
 import com.kunzisoft.keepass.database.element.*
 import com.kunzisoft.keepass.database.element.node.Node
 import com.kunzisoft.keepass.database.element.node.Type
-import com.kunzisoft.keepass.database.exception.EntryDatabaseException
+import com.kunzisoft.keepass.database.exception.MoveEntryDatabaseException
 import com.kunzisoft.keepass.database.exception.MoveGroupDatabaseException
 
 class MoveNodesRunnable constructor(
@@ -47,11 +47,14 @@ class MoveNodesRunnable constructor(
             when (nodeToMove.type) {
                 Type.GROUP -> {
                     val groupToMove = nodeToMove as Group
-                    // Move group in new parent if not in the current group
+                    // Move group if the parent change
-                    if (groupToMove != mNewParent
+                    if (mOldParent != mNewParent
+                            // and if not in the current group
+                            && groupToMove != mNewParent
                             && !mNewParent.isContainedIn(groupToMove)) {
-                        nodeToMove.touch(modified = true, touchParents = true)
+                        groupToMove.touch(modified = true, touchParents = true)
                         database.moveGroupTo(groupToMove, mNewParent)
+                        groupToMove.setPreviousParentGroup(mOldParent)
                     } else {
                         // Only finish thread
                         setError(MoveGroupDatabaseException())
@@ -64,11 +67,12 @@ class MoveNodesRunnable constructor(
                     if (mOldParent != mNewParent
                             // and root can contains entry
                             && (mNewParent != database.rootGroup || database.rootCanContainsEntry())) {
-                        nodeToMove.touch(modified = true, touchParents = true)
+                        entryToMove.touch(modified = true, touchParents = true)
                         database.moveEntryTo(entryToMove, mNewParent)
+                        entryToMove.setPreviousParentGroup(mOldParent)
                     } else {
                         // Only finish thread
-                        setError(EntryDatabaseException())
+                        setError(MoveEntryDatabaseException())
                         break@foreachNode
                     }
                 }

app/src/main/java/com/kunzisoft/keepass/database/action/node/UpdateEntryRunnable.kt

@@ -34,54 +34,52 @@ class UpdateEntryRunnable constructor(
         afterActionNodesFinish: AfterActionNodesFinish?)
     : ActionNodeDatabaseRunnable(context, database, afterActionNodesFinish, save) {
 
-    // Keep backup of original values in case save fails
-    private var mBackupEntryHistory: Entry = Entry(mOldEntry)
-
     override fun nodeAction() {
-        // WARNING : Re attribute parent removed in entry edit activity to save memory
+        if (mOldEntry.nodeId == mNewEntry.nodeId) {
-        mNewEntry.addParentFrom(mOldEntry)
+            // WARNING : Re attribute parent removed in entry edit activity to save memory
+            mNewEntry.addParentFrom(mOldEntry)
 
-        // Build oldest attachments
+            // Build oldest attachments
-        val oldEntryAttachments = mOldEntry.getAttachments(database.attachmentPool, true)
+            val oldEntryAttachments = mOldEntry.getAttachments(database.attachmentPool, true)
-        val newEntryAttachments = mNewEntry.getAttachments(database.attachmentPool, true)
+            val newEntryAttachments = mNewEntry.getAttachments(database.attachmentPool, true)
-        val attachmentsToRemove = ArrayList<Attachment>(oldEntryAttachments)
+            val attachmentsToRemove = ArrayList<Attachment>(oldEntryAttachments)
-        // Not use equals because only check name
+            // Not use equals because only check name
-        newEntryAttachments.forEach { newAttachment ->
+            newEntryAttachments.forEach { newAttachment ->
-            oldEntryAttachments.forEach { oldAttachment ->
+                oldEntryAttachments.forEach { oldAttachment ->
-                if (oldAttachment.name == newAttachment.name
+                    if (oldAttachment.name == newAttachment.name
-                        && oldAttachment.binaryData == newAttachment.binaryData)
+                        && oldAttachment.binaryData == newAttachment.binaryData
-                    attachmentsToRemove.remove(oldAttachment)
+                    )
+                        attachmentsToRemove.remove(oldAttachment)
+                }
             }
-        }
 
-        // Update entry with new values
+            // Update entry with new values
-        mOldEntry.updateWith(mNewEntry)
+            mNewEntry.touch(modified = true, touchParents = true)
-        mNewEntry.touch(modified = true, touchParents = true)
 
-        // Create an entry history (an entry history don't have history)
+            // Create an entry history (an entry history don't have history)
-        mOldEntry.addEntryToHistory(Entry(mBackupEntryHistory, copyHistory = false))
+            mNewEntry.addEntryToHistory(Entry(mOldEntry, copyHistory = false))
-        database.removeOldestEntryHistory(mOldEntry, database.attachmentPool)
+            database.removeOldestEntryHistory(mNewEntry, database.attachmentPool)
 
-        // Only change data in index
+            // Only change data in index
-        database.updateEntry(mOldEntry)
+            database.updateEntry(mNewEntry)
 
-        // Remove oldest attachments
+            // Remove oldest attachments
-        attachmentsToRemove.forEach {
+            attachmentsToRemove.forEach {
-            database.removeAttachmentIfNotUsed(it)
+                database.removeAttachmentIfNotUsed(it)
+            }
         }
     }
 
     override fun nodeFinish(): ActionNodesValues {
         if (!result.isSuccess) {
-            mOldEntry.updateWith(mBackupEntryHistory)
             // If we fail to save, back out changes to global structure
             database.updateEntry(mOldEntry)
         }
 
         val oldNodesReturn = ArrayList<Node>()
-        oldNodesReturn.add(mBackupEntryHistory)
+        oldNodesReturn.add(mOldEntry)
         val newNodesReturn = ArrayList<Node>()
-        newNodesReturn.add(mOldEntry)
+        newNodesReturn.add(mNewEntry)
         return ActionNodesValues(oldNodesReturn, newNodesReturn)
     }
 }

app/src/main/java/com/kunzisoft/keepass/database/action/node/UpdateGroupRunnable.kt

@@ -33,33 +33,30 @@ class UpdateGroupRunnable constructor(
         afterActionNodesFinish: AfterActionNodesFinish?)
     : ActionNodeDatabaseRunnable(context, database, afterActionNodesFinish, save) {
 
-    // Keep backup of original values in case save fails
-    private val mBackupGroup: Group = Group(mOldGroup)
-
     override fun nodeAction() {
-        // WARNING : Re attribute parent and children removed in group activity to save memory
+        if (mOldGroup.nodeId == mNewGroup.nodeId) {
-        mNewGroup.addParentFrom(mOldGroup)
+            // WARNING : Re attribute parent and children removed in group activity to save memory
-        mNewGroup.addChildrenFrom(mOldGroup)
+            mNewGroup.addParentFrom(mOldGroup)
+            mNewGroup.addChildrenFrom(mOldGroup)
 
-        // Update group with new values
+            // Update group with new values
-        mOldGroup.updateWith(mNewGroup)
+            mNewGroup.touch(modified = true, touchParents = true)
-        mOldGroup.touch(modified = true, touchParents = true)
 
-        // Only change data in index
+            // Only change data in index
-        database.updateGroup(mOldGroup)
+            database.updateGroup(mNewGroup)
+        }
     }
 
     override fun nodeFinish(): ActionNodesValues {
         if (!result.isSuccess) {
             // If we fail to save, back out changes to global structure
-            mOldGroup.updateWith(mBackupGroup)
             database.updateGroup(mOldGroup)
         }
 
         val oldNodesReturn = ArrayList<Node>()
-        oldNodesReturn.add(mBackupGroup)
+        oldNodesReturn.add(mOldGroup)
         val newNodesReturn = ArrayList<Node>()
-        newNodesReturn.add(mOldGroup)
+        newNodesReturn.add(mNewGroup)
         return ActionNodesValues(oldNodesReturn, newNodesReturn)
     }
 }

app/src/main/java/com/kunzisoft/keepass/database/crypto/CipherEngine.kt

@@ -36,6 +36,9 @@ abstract class CipherEngine {
         return 16
     }
 
+    // Used only with padding workaround
+    var forcePaddingCompatibility = false
+
     @Throws(NoSuchAlgorithmException::class, NoSuchPaddingException::class, InvalidKeyException::class, InvalidAlgorithmParameterException::class)
     abstract fun getCipher(opmode: Int, key: ByteArray, IV: ByteArray): Cipher
 

app/src/main/java/com/kunzisoft/keepass/database/crypto/TwofishEngine.kt

@@ -30,7 +30,7 @@ class TwofishEngine : CipherEngine() {
 
     @Throws(NoSuchAlgorithmException::class, NoSuchPaddingException::class, InvalidKeyException::class, InvalidAlgorithmParameterException::class)
     override fun getCipher(opmode: Int, key: ByteArray, IV: ByteArray): Cipher {
-        return CipherFactory.getTwofish(opmode, key, IV)
+        return CipherFactory.getTwofish(opmode, key, IV, forcePaddingCompatibility)
     }
 
     override fun getEncryptionAlgorithm(): EncryptionAlgorithm {

app/src/main/java/com/kunzisoft/keepass/database/cursor/EntryCursorKDBX.kt

@@ -45,8 +45,8 @@ class EntryCursorKDBX : EntryCursorUUID<EntryKDBX>() {
                 entry.expires
         ))
 
-        for (element in entry.customFields.entries) {
+        entry.doForEachDecodedCustomField { field ->
-            extraFieldCursor.addExtraField(entryId, element.key, element.value)
+            extraFieldCursor.addExtraField(entryId, field)
         }
 
         entryId++

app/src/main/java/com/kunzisoft/keepass/database/cursor/ExtraFieldCursor.kt

@@ -21,6 +21,7 @@ package com.kunzisoft.keepass.database.cursor
 
 import android.database.MatrixCursor
 import android.provider.BaseColumns
+import com.kunzisoft.keepass.database.element.Field
 
 import com.kunzisoft.keepass.database.element.entry.EntryKDBX
 import com.kunzisoft.keepass.database.element.security.ProtectedString
@@ -36,13 +37,17 @@ class ExtraFieldCursor : MatrixCursor(arrayOf(
     private var fieldId: Long = 0
 
     @Synchronized
-    fun addExtraField(entryId: Long, label: String, value: ProtectedString) {
+    fun addExtraField(entryId: Long, field: Field) {
-        addRow(arrayOf(fieldId, entryId, label, if (value.isProtected) 1 else 0, value.toString()))
+        addRow(arrayOf(fieldId,
+                entryId,
+                field.name,
+                if (field.protectedValue.isProtected) 1 else 0,
+                field.protectedValue.toString()))
         fieldId++
     }
 
     fun populateExtraFieldInEntry(pwEntry: EntryKDBX) {
-        pwEntry.putExtraField(getString(getColumnIndex(COLUMN_LABEL)),
+        pwEntry.putField(getString(getColumnIndex(COLUMN_LABEL)),
                 ProtectedString(getInt(getColumnIndex(COLUMN_PROTECTION)) > 0,
                         getString(getColumnIndex(COLUMN_VALUE))))
     }

app/src/main/java/com/kunzisoft/keepass/database/element/CustomData.kt

@@ -0,0 +1,66 @@
+package com.kunzisoft.keepass.database.element
+
+import android.os.Parcel
+import android.os.Parcelable
+import com.kunzisoft.keepass.utils.ParcelableUtil
+import java.util.*
+
+class CustomData : Parcelable {
+
+    private val mCustomDataItems = HashMap<String, CustomDataItem>()
+
+    constructor()
+
+    constructor(toCopy: CustomData) {
+        mCustomDataItems.clear()
+        mCustomDataItems.putAll(toCopy.mCustomDataItems)
+    }
+
+    constructor(parcel: Parcel) {
+        ParcelableUtil.readStringParcelableMap(parcel, CustomDataItem::class.java)
+    }
+
+    fun get(key: String): CustomDataItem? {
+        return mCustomDataItems[key]
+    }
+
+    fun put(customDataItem: CustomDataItem) {
+        mCustomDataItems[customDataItem.key] = customDataItem
+    }
+
+    fun containsItemWithValue(value: String): Boolean {
+        return mCustomDataItems.any { mapEntry -> mapEntry.value.value.equals(value, true) }
+    }
+
+    fun containsItemWithLastModificationTime(): Boolean {
+        return mCustomDataItems.any { mapEntry -> mapEntry.value.lastModificationTime != null }
+    }
+
+    fun isNotEmpty(): Boolean {
+        return mCustomDataItems.isNotEmpty()
+    }
+
+    fun doForEachItems(action: (CustomDataItem) -> Unit) {
+        for ((_, value) in mCustomDataItems) {
+            action.invoke(value)
+        }
+    }
+
+    override fun writeToParcel(parcel: Parcel, flags: Int) {
+        ParcelableUtil.writeStringParcelableMap(parcel, flags, mCustomDataItems)
+    }
+
+    override fun describeContents(): Int {
+        return 0
+    }
+
+    companion object CREATOR : Parcelable.Creator<CustomData> {
+        override fun createFromParcel(parcel: Parcel): CustomData {
+            return CustomData(parcel)
+        }
+
+        override fun newArray(size: Int): Array<CustomData?> {
+            return arrayOfNulls(size)
+        }
+    }
+}

app/src/main/java/com/kunzisoft/keepass/database/element/CustomDataItem.kt

@@ -0,0 +1,43 @@
+package com.kunzisoft.keepass.database.element
+
+import android.os.Parcel
+import android.os.Parcelable
+
+class CustomDataItem : Parcelable {
+
+    val key: String
+    var value: String
+    var lastModificationTime: DateInstant? = null
+
+    constructor(parcel: Parcel) {
+        key = parcel.readString() ?: ""
+        value = parcel.readString() ?: ""
+        lastModificationTime = parcel.readParcelable(DateInstant::class.java.classLoader)
+    }
+
+    constructor(key: String, value: String, lastModificationTime: DateInstant? = null) {
+        this.key = key
+        this.value = value
+        this.lastModificationTime = lastModificationTime
+    }
+
+    override fun writeToParcel(parcel: Parcel, flags: Int) {
+        parcel.writeString(key)
+        parcel.writeString(value)
+        parcel.writeParcelable(lastModificationTime, flags)
+    }
+
+    override fun describeContents(): Int {
+        return 0
+    }
+
+    companion object CREATOR : Parcelable.Creator<CustomDataItem> {
+        override fun createFromParcel(parcel: Parcel): CustomDataItem {
+            return CustomDataItem(parcel)
+        }
+
+        override fun newArray(size: Int): Array<CustomDataItem?> {
+            return arrayOfNulls(size)
+        }
+    }
+}

app/src/main/java/com/kunzisoft/keepass/database/element/Database.kt

@@ -20,10 +20,12 @@
 package com.kunzisoft.keepass.database.element
 
 import android.content.ContentResolver
+import android.content.Context
 import android.content.res.Resources
 import android.net.Uri
+import android.os.Build
 import android.util.Log
-import com.kunzisoft.keepass.utils.readBytes4ToUInt
+import com.kunzisoft.keepass.app.database.FileDatabaseHistoryAction
 import com.kunzisoft.keepass.database.action.node.NodeHandler
 import com.kunzisoft.keepass.database.crypto.EncryptionAlgorithm
 import com.kunzisoft.keepass.database.crypto.kdf.KdfEngine
@@ -40,10 +42,12 @@ import com.kunzisoft.keepass.database.element.icon.IconsManager
 import com.kunzisoft.keepass.database.element.node.NodeId
 import com.kunzisoft.keepass.database.element.node.NodeIdInt
 import com.kunzisoft.keepass.database.element.node.NodeIdUUID
+import com.kunzisoft.keepass.database.element.template.Template
+import com.kunzisoft.keepass.database.element.template.TemplateEngine
 import com.kunzisoft.keepass.database.exception.*
 import com.kunzisoft.keepass.database.file.DatabaseHeaderKDB
 import com.kunzisoft.keepass.database.file.DatabaseHeaderKDBX
-import com.kunzisoft.keepass.database.file.DatabaseHeaderKDBX.Companion.FILE_VERSION_32_4
+import com.kunzisoft.keepass.database.file.DatabaseHeaderKDBX.Companion.FILE_VERSION_40
 import com.kunzisoft.keepass.database.file.input.DatabaseInputKDB
 import com.kunzisoft.keepass.database.file.input.DatabaseInputKDBX
 import com.kunzisoft.keepass.database.file.output.DatabaseOutputKDB
@@ -55,6 +59,7 @@ import com.kunzisoft.keepass.model.MainCredential
 import com.kunzisoft.keepass.tasks.ProgressTaskUpdater
 import com.kunzisoft.keepass.utils.SingletonHolder
 import com.kunzisoft.keepass.utils.UriUtil
+import com.kunzisoft.keepass.utils.readBytes4ToUInt
 import java.io.*
 import java.util.*
 import kotlin.collections.ArrayList
@@ -105,10 +110,6 @@ class Database {
             return mDatabaseKDB?.binaryCache ?: mDatabaseKDBX?.binaryCache ?: BinaryCache()
         }
 
-    fun setCacheDirectory(cacheDirectory: File) {
-        binaryCache.cacheDirectory = cacheDirectory
-    }
-
     private val iconsManager: IconsManager
         get() {
             return mDatabaseKDB?.iconsManager ?: mDatabaseKDBX?.iconsManager ?: IconsManager(binaryCache)
@@ -146,6 +147,57 @@ class Database {
         iconsManager.removeCustomIcon(binaryCache, customIcon.uuid)
     }
 
+    fun getTemplates(templateCreation: Boolean): List<Template> {
+        return mDatabaseKDBX?.getTemplates(templateCreation) ?: listOf()
+    }
+
+    fun getTemplate(entry: Entry): Template? {
+        if (entryIsTemplate(entry))
+            return TemplateEngine.CREATION
+        entry.entryKDBX?.let { entryKDBX ->
+            return mDatabaseKDBX?.getTemplate(entryKDBX)
+        }
+        return null
+    }
+
+    fun entryIsTemplate(entry: Entry?): Boolean {
+        // Define is current entry is a template (in direct template group)
+        if (entry == null || templatesGroup == null)
+            return false
+        return templatesGroup == entry.parent
+    }
+
+    // Not the same as decode, here remove in all cases the template link in the entry data
+    fun removeTemplateConfiguration(entry: Entry): Entry {
+        entry.entryKDBX?.let {
+            mDatabaseKDBX?.decodeEntryWithTemplateConfiguration(it, false)?.let { decode ->
+                return Entry(decode)
+            }
+        }
+        return entry
+    }
+
+    // Remove the template link in the entry data if it's a basic entry
+    // or compress the template fields (as pseudo language) if it's a template entry
+    fun decodeEntryWithTemplateConfiguration(entry: Entry, lastEntryVersion: Entry? = null): Entry {
+        entry.entryKDBX?.let {
+            val lastEntry = lastEntryVersion ?: entry
+            mDatabaseKDBX?.decodeEntryWithTemplateConfiguration(it, entryIsTemplate(lastEntry))?.let { decode ->
+                return Entry(decode)
+            }
+        }
+        return entry
+    }
+
+    fun encodeEntryWithTemplateConfiguration(entry: Entry, template: Template): Entry {
+        entry.entryKDBX?.let {
+            mDatabaseKDBX?.encodeEntryWithTemplateConfiguration(it, entryIsTemplate(entry), template)?.let { encode ->
+                return Entry(encode)
+            }
+        }
+        return entry
+    }
+
     val allowName: Boolean
         get() = mDatabaseKDBX != null
 
@@ -226,7 +278,7 @@ class Database {
         // Default compression not necessary if stored in header
         mDatabaseKDBX?.let {
             return it.compressionAlgorithm == CompressionAlgorithm.GZip
-                    && it.kdbxVersion.isBefore(FILE_VERSION_32_4)
+                    && it.kdbxVersion.isBefore(FILE_VERSION_40)
         }
         return false
     }
@@ -319,6 +371,15 @@ class Database {
             return null
         }
 
+    /**
+     * Do not modify groups here, used for read only
+     */
+    fun getAllGroupsWithoutRoot(): List<Group> {
+        return mDatabaseKDB?.getAllGroupsWithoutRoot()?.map { Group(it) }
+            ?: mDatabaseKDBX?.getAllGroupsWithoutRoot()?.map { Group(it) }
+            ?: listOf()
+    }
+
     val manageHistory: Boolean
         get() = mDatabaseKDBX != null
 
@@ -345,12 +406,18 @@ class Database {
     val allowConfigurableRecycleBin: Boolean
         get() = mDatabaseKDBX != null
 
-    var isRecycleBinEnabled: Boolean
+    val isRecycleBinEnabled: Boolean
         // Backup is always enabled in KDB database
         get() = mDatabaseKDB != null || mDatabaseKDBX?.isRecycleBinEnabled ?: false
-        set(value) {
+
-            mDatabaseKDBX?.isRecycleBinEnabled = value
+    fun enableRecycleBin(enable: Boolean, resources: Resources) {
+        mDatabaseKDBX?.isRecycleBinEnabled = enable
+        if (enable) {
+            ensureRecycleBinExists(resources)
+        } else {
+            mDatabaseKDBX?.removeRecycleBin()
         }
+    }
 
     val recycleBin: Group?
         get() {
@@ -363,16 +430,52 @@ class Database {
             return null
         }
 
-    fun ensureRecycleBinExists(resources: Resources) {
+    fun setRecycleBin(group: Group?) {
-        mDatabaseKDB?.ensureBackupExists()
+        // Only the kdbx recycle bin can be changed
-        mDatabaseKDBX?.ensureRecycleBinExists(resources)
+        if (group != null) {
+            mDatabaseKDBX?.recycleBinUUID = group.nodeIdKDBX.id
+        } else {
+            mDatabaseKDBX?.removeTemplatesGroup()
+        }
     }
 
-    fun removeRecycleBin() {
+    /**
-        // Don't allow remove backup in KDB
+     * Determine if a configurable templates group is available or not for this version of database
-        mDatabaseKDBX?.removeRecycleBin()
+     * @return true if a configurable templates group available
+     */
+    val allowConfigurableTemplatesGroup: Boolean
+        get() = mDatabaseKDBX != null
+
+    // Maybe another templates method with KDBX5
+    val isTemplatesEnabled: Boolean
+        get() = mDatabaseKDBX?.isTemplatesGroupEnabled() ?: false
+
+    fun enableTemplates(enable: Boolean, templatesGroupName: String) {
+        mDatabaseKDBX?.enableTemplatesGroup(enable, templatesGroupName)
     }
 
+    val templatesGroup: Group?
+        get() {
+            mDatabaseKDBX?.getTemplatesGroup()?.let {
+                return Group(it)
+            }
+            return null
+        }
+
+    fun setTemplatesGroup(group: Group?) {
+        // Only the kdbx templates group can be changed
+        if (group != null) {
+            mDatabaseKDBX?.entryTemplatesGroup = group.nodeIdKDBX.id
+        } else {
+            mDatabaseKDBX?.entryTemplatesGroup
+        }
+    }
+
+    val groupNamesNotAllowed: List<String>
+        get() {
+            return mDatabaseKDB?.groupNamesNotAllowed ?: ArrayList()
+        }
+
     private fun setDatabaseKDB(databaseKDB: DatabaseKDB) {
         this.mDatabaseKDB = databaseKDB
         this.mDatabaseKDBX = null
@@ -383,8 +486,11 @@ class Database {
         this.mDatabaseKDBX = databaseKDBX
     }
 
-    fun createData(databaseUri: Uri, databaseName: String, rootName: String) {
+    fun createData(databaseUri: Uri,
-        val newDatabase = DatabaseKDBX(databaseName, rootName)
+                   databaseName: String,
+                   rootName: String,
+                   templateGroupName: String?) {
+        val newDatabase = DatabaseKDBX(databaseName, rootName, templateGroupName)
         setDatabaseKDBX(newDatabase)
         this.fileUri = databaseUri
         // Set Database state
@@ -546,25 +652,28 @@ class Database {
                                      omitBackup: Boolean,
                                      max: Int = Integer.MAX_VALUE): Group? {
         return mSearchHelper?.createVirtualGroupWithSearchResult(this,
-                searchQuery, SearchParameters(), omitBackup, max)
+                SearchParameters().apply {
+                    this.searchQuery = searchQuery
+                }, omitBackup, max)
     }
 
     fun createVirtualGroupFromSearchInfo(searchInfoString: String,
                                          omitBackup: Boolean,
                                          max: Int = Integer.MAX_VALUE): Group? {
         return mSearchHelper?.createVirtualGroupWithSearchResult(this,
-                searchInfoString, SearchParameters().apply {
+                SearchParameters().apply {
-            searchInTitles = true
+                    searchQuery = searchInfoString
-            searchInUserNames = false
+                    searchInTitles = true
-            searchInPasswords = false
+                    searchInUserNames = false
-            searchInUrls = true
+                    searchInPasswords = false
-            searchInNotes = true
+                    searchInUrls = true
-            searchInOTP = false
+                    searchInNotes = true
-            searchInOther = true
+                    searchInOTP = false
-            searchInUUIDs = false
+                    searchInOther = true
-            searchInTags = false
+                    searchInUUIDs = false
-            ignoreCase = true
+                    searchInTags = false
-        }, omitBackup, max)
+                    searchInTemplates = false
+                }, omitBackup, max)
     }
 
     val attachmentPool: AttachmentPool
@@ -581,10 +690,11 @@ class Database {
             return false
         }
 
-    fun buildNewBinaryAttachment(compressed: Boolean = false,
+    fun buildNewBinaryAttachment(): BinaryData? {
-                                 protected: Boolean = false): BinaryData? {
         return mDatabaseKDB?.buildNewAttachment()
-                ?: mDatabaseKDBX?.buildNewAttachment( false, compressed, protected)
+                ?: mDatabaseKDBX?.buildNewAttachment( false,
+                        compressionForNewEntry(),
+                        false)
     }
 
     fun removeAttachmentIfNotUsed(attachment: Attachment) {
@@ -675,8 +785,8 @@ class Database {
         }
     }
 
-    fun clearAndClose(filesDirectory: File? = null) {
+    fun clearAndClose(context: Context? = null) {
-        clear(filesDirectory)
+        clear(context?.let { UriUtil.getBinaryDir(context) })
         this.mDatabaseKDB = null
         this.mDatabaseKDBX = null
         this.fileUri = null
@@ -794,11 +904,11 @@ class Database {
     }
 
     fun addGroupTo(group: Group, parent: Group) {
-        group.groupKDB?.let { entryKDB ->
+        group.groupKDB?.let { groupKDB ->
-            mDatabaseKDB?.addGroupTo(entryKDB, parent.groupKDB)
+            mDatabaseKDB?.addGroupTo(groupKDB, parent.groupKDB)
         }
-        group.groupKDBX?.let { entryKDBX ->
+        group.groupKDBX?.let { groupKDBX ->
-            mDatabaseKDBX?.addGroupTo(entryKDBX, parent.groupKDBX)
+            mDatabaseKDBX?.addGroupTo(groupKDBX, parent.groupKDBX)
         }
         group.afterAssignNewParent()
     }
@@ -813,11 +923,11 @@ class Database {
     }
 
     fun removeGroupFrom(group: Group, parent: Group) {
-        group.groupKDB?.let { entryKDB ->
+        group.groupKDB?.let { groupKDB ->
-            mDatabaseKDB?.removeGroupFrom(entryKDB, parent.groupKDB)
+            mDatabaseKDB?.removeGroupFrom(groupKDB, parent.groupKDB)
         }
-        group.groupKDBX?.let { entryKDBX ->
+        group.groupKDBX?.let { groupKDBX ->
-            mDatabaseKDBX?.removeGroupFrom(entryKDBX, parent.groupKDBX)
+            mDatabaseKDBX?.removeGroupFrom(groupKDBX, parent.groupKDBX)
         }
         group.afterAssignNewParent()
     }
@@ -892,6 +1002,11 @@ class Database {
         }
     }
 
+    fun ensureRecycleBinExists(resources: Resources) {
+        mDatabaseKDB?.ensureBackupExists()
+        mDatabaseKDBX?.ensureRecycleBinExists(resources)
+    }
+
     fun canRecycle(entry: Entry): Boolean {
         var canRecycle: Boolean? = null
         entry.entryKDB?.let {

app/src/main/java/com/kunzisoft/keepass/database/element/DateInstant.kt

@@ -23,95 +23,209 @@ import android.content.res.Resources
 import android.os.Parcel
 import android.os.Parcelable
 import androidx.core.os.ConfigurationCompat
-import org.joda.time.Duration
+import com.kunzisoft.keepass.utils.readEnum
-import org.joda.time.Instant
+import com.kunzisoft.keepass.utils.writeEnum
+import org.joda.time.*
+import java.text.DateFormat
 import java.text.SimpleDateFormat
 import java.util.*
 
 class DateInstant : Parcelable {
 
     private var jDate: Date = Date()
+    private var mType: Type = Type.DATE_TIME
 
     val date: Date
         get() = jDate
 
+    var type: Type
+        get() = mType
+        set(value) {
+            mType = value
+        }
+
     constructor(source: DateInstant) {
         this.jDate = Date(source.jDate.time)
+        this.mType = source.mType
     }
 
-    constructor(date: Date) {
+    constructor(date: Date, type: Type = Type.DATE_TIME) {
         jDate = Date(date.time)
+        mType = type
     }
 
-    constructor(millis: Long) {
+    constructor(millis: Long, type: Type = Type.DATE_TIME) {
         jDate = Date(millis)
+        mType = type
     }
 
-    constructor(string: String) {
+    private fun parse(value: String, type: Type): Date {
-        jDate = dateFormat.parse(string) ?: jDate
+        return when (type) {
+            Type.DATE -> dateFormat.parse(value) ?: jDate
+            Type.TIME -> timeFormat.parse(value) ?: jDate
+            else -> dateTimeFormat.parse(value) ?: jDate
+        }
+    }
+
+    constructor(string: String, type: Type = Type.DATE_TIME) {
+        try {
+            jDate = parse(string, type)
+            mType = type
+        } catch (e: Exception) {
+            // Retry with second format
+            try {
+                when (type) {
+                    Type.TIME -> {
+                        jDate = parse(string, Type.DATE)
+                        mType = Type.DATE
+                    }
+                    else -> {
+                        jDate = parse(string, Type.TIME)
+                        mType = Type.TIME
+                    }
+                }
+            } catch (e: Exception) {
+                // Retry with third format
+                when (type) {
+                    Type.DATE, Type.TIME -> {
+                        jDate = parse(string, Type.DATE_TIME)
+                        mType = Type.DATE_TIME
+                    }
+                    else -> {
+                        jDate = parse(string, Type.DATE)
+                        mType = Type.DATE
+                    }
+                }
+            }
+        }
+    }
+
+    constructor(type: Type) {
+        mType = type
     }
 
     constructor() {
         jDate = Date()
     }
 
-    protected constructor(parcel: Parcel) {
+    constructor(parcel: Parcel) {
-        jDate = parcel.readSerializable() as Date
+        jDate = parcel.readSerializable() as? Date? ?: jDate
+        mType = parcel.readEnum<Type>() ?: mType
     }
 
     override fun describeContents(): Int {
         return 0
     }
 
-    fun getDateTimeString(resources: Resources): String {
-        return Companion.getDateTimeString(resources, this.date)
-    }
-
     override fun writeToParcel(dest: Parcel, flags: Int) {
-        dest.writeSerializable(date)
+        dest.writeSerializable(jDate)
+        dest.writeEnum(mType)
     }
 
-    override fun equals(other: Any?): Boolean {
+    fun getDateTimeString(resources: Resources): String {
-        if (this === other) {
+        return when (mType) {
-            return true
+            Type.DATE -> DateFormat.getDateInstance(
+                DateFormat.MEDIUM,
+                ConfigurationCompat.getLocales(resources.configuration)[0])
+                .format(jDate)
+            Type.TIME -> DateFormat.getTimeInstance(
+                DateFormat.SHORT,
+                ConfigurationCompat.getLocales(resources.configuration)[0])
+                .format(jDate)
+            else -> DateFormat.getDateTimeInstance(
+                DateFormat.MEDIUM,
+                DateFormat.SHORT,
+                ConfigurationCompat.getLocales(resources.configuration)[0])
+                .format(jDate)
         }
-        if (other == null) {
-            return false
-        }
-        if (javaClass != other.javaClass) {
-            return false
-        }
-
-        val date = other as DateInstant
-        return isSameDate(jDate, date.jDate)
     }
 
-    override fun hashCode(): Int {
+    fun getYearInt(): Int {
-        return jDate.hashCode()
+        val dateFormat = SimpleDateFormat("yyyy", Locale.ENGLISH)
+        return dateFormat.format(date).toInt()
+    }
+
+    fun getMonthInt(): Int {
+        val dateFormat = SimpleDateFormat("MM", Locale.ENGLISH)
+        return dateFormat.format(date).toInt()
+    }
+
+    fun getDay(): Int {
+        val dateFormat = SimpleDateFormat("dd", Locale.ENGLISH)
+        return dateFormat.format(date).toInt()
+    }
+
+    // If expireDate is before NEVER_EXPIRE date less 1 month (to be sure)
+    // it is not expires
+    fun isNeverExpires(): Boolean {
+        return LocalDateTime(jDate)
+            .isBefore(
+                LocalDateTime.fromDateFields(NEVER_EXPIRES.date)
+                .minusMonths(1))
+    }
+
+    fun isCurrentlyExpire(): Boolean {
+        return when (type) {
+            Type.DATE -> LocalDate.fromDateFields(jDate).isBefore(LocalDate.now())
+            Type.TIME -> LocalTime.fromDateFields(jDate).isBefore(LocalTime.now())
+            else -> LocalDateTime.fromDateFields(jDate).isBefore(LocalDateTime.now())
+        }
     }
 
     override fun toString(): String {
-        return dateFormat.format(jDate)
+        return when (type) {
+            Type.DATE -> dateFormat.format(jDate)
+            Type.TIME -> timeFormat.format(jDate)
+            else -> dateTimeFormat.format(jDate)
+        }
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other !is DateInstant) return false
+
+        if (jDate != other.jDate) return false
+        if (mType != other.mType) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        var result = jDate.hashCode()
+        result = 31 * result + mType.hashCode()
+        return result
+    }
+
+    enum class Type {
+        DATE_TIME, DATE, TIME
     }
 
     companion object {
 
-        val NEVER_EXPIRE = neverExpire
+        val NEVER_EXPIRES = DateInstant(Calendar.getInstance().apply {
-        val IN_ONE_MONTH = DateInstant(Instant.now().plus(Duration.standardDays(30)).toDate())
+                set(Calendar.YEAR, 2999)
-        private val dateFormat = SimpleDateFormat.getDateTimeInstance()
+                set(Calendar.MONTH, 11)
+                set(Calendar.DAY_OF_MONTH, 28)
+                set(Calendar.HOUR, 23)
+                set(Calendar.MINUTE, 59)
+                set(Calendar.SECOND, 59)
+            }.time)
+        val IN_ONE_MONTH_DATE_TIME = DateInstant(
+                Instant.now().plus(Duration.standardDays(30)).toDate(), Type.DATE_TIME)
+        val IN_ONE_MONTH_DATE = DateInstant(
+                Instant.now().plus(Duration.standardDays(30)).toDate(), Type.DATE)
+        val IN_ONE_HOUR_TIME = DateInstant(
+                Instant.now().plus(Duration.standardHours(1)).toDate(), Type.TIME)
 
-        private val neverExpire: DateInstant
+        private val dateTimeFormat = SimpleDateFormat("yyyy-MM-dd'T'HH:mm'Z'", Locale.ROOT).apply {
-            get() {
+            timeZone = TimeZone.getTimeZone("UTC")
-                val cal = Calendar.getInstance()
+        }
-                cal.set(Calendar.YEAR, 2999)
+        private val dateFormat = SimpleDateFormat("yyyy-MM-dd'Z'", Locale.ROOT).apply {
-                cal.set(Calendar.MONTH, 11)
+            timeZone = TimeZone.getTimeZone("UTC")
-                cal.set(Calendar.DAY_OF_MONTH, 28)
+        }
-                cal.set(Calendar.HOUR, 23)
+        private val timeFormat = SimpleDateFormat("HH:mm'Z'", Locale.ROOT).apply {
-                cal.set(Calendar.MINUTE, 59)
+            timeZone = TimeZone.getTimeZone("UTC")
-                cal.set(Calendar.SECOND, 59)
+        }
-
-                return DateInstant(cal.time)
-            }
 
         @JvmField
         val CREATOR: Parcelable.Creator<DateInstant> = object : Parcelable.Creator<DateInstant> {
@@ -123,31 +237,5 @@ class DateInstant : Parcelable {
                 return arrayOfNulls(size)
             }
         }
-
-        private fun isSameDate(d1: Date, d2: Date): Boolean {
-            val cal1 = Calendar.getInstance()
-            cal1.time = d1
-            cal1.set(Calendar.MILLISECOND, 0)
-
-            val cal2 = Calendar.getInstance()
-            cal2.time = d2
-            cal2.set(Calendar.MILLISECOND, 0)
-
-            return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR) &&
-                    cal1.get(Calendar.MONTH) == cal2.get(Calendar.MONTH) &&
-                    cal1.get(Calendar.DAY_OF_MONTH) == cal2.get(Calendar.DAY_OF_MONTH) &&
-                    cal1.get(Calendar.HOUR) == cal2.get(Calendar.HOUR) &&
-                    cal1.get(Calendar.MINUTE) == cal2.get(Calendar.MINUTE) &&
-                    cal1.get(Calendar.SECOND) == cal2.get(Calendar.SECOND)
-
-        }
-
-        fun getDateTimeString(resources: Resources, date: Date): String {
-            return java.text.DateFormat.getDateTimeInstance(
-                        java.text.DateFormat.MEDIUM,
-                        java.text.DateFormat.SHORT,
-                        ConfigurationCompat.getLocales(resources.configuration)[0])
-                            .format(date)
-        }
     }
 }

app/src/main/java/com/kunzisoft/keepass/database/element/DeletedObject.kt

@@ -19,30 +19,37 @@
  */
 package com.kunzisoft.keepass.database.element
 
+import android.os.Parcel
+import android.os.ParcelUuid
+import android.os.Parcelable
 import com.kunzisoft.keepass.database.element.database.DatabaseVersioned
-import java.util.Date
+import java.util.*
-import java.util.UUID
 
-class DeletedObject {
+class DeletedObject : Parcelable {
 
     var uuid: UUID = DatabaseVersioned.UUID_ZERO
-    private var mDeletionTime: Date? = null
+    private var mDeletionTime: DateInstant? = null
 
-    fun getDeletionTime(): Date {
+    constructor()
+
+    constructor(uuid: UUID, deletionTime: DateInstant = DateInstant()) {
+        this.uuid = uuid
+        this.mDeletionTime = deletionTime
+    }
+
+    constructor(parcel: Parcel) {
+        uuid = parcel.readParcelable<ParcelUuid>(ParcelUuid::class.java.classLoader)?.uuid ?: DatabaseVersioned.UUID_ZERO
+        mDeletionTime = parcel.readParcelable(DateInstant::class.java.classLoader)
+    }
+
+    fun getDeletionTime(): DateInstant {
         if (mDeletionTime == null) {
-            mDeletionTime = Date(System.currentTimeMillis())
+            mDeletionTime = DateInstant(System.currentTimeMillis())
         }
         return mDeletionTime!!
     }
 
-    fun setDeletionTime(deletionTime: Date) {
+    fun setDeletionTime(deletionTime: DateInstant) {
-        this.mDeletionTime = deletionTime
-    }
-
-    constructor()
-
-    constructor(uuid: UUID, deletionTime: Date = Date()) {
-        this.uuid = uuid
         this.mDeletionTime = deletionTime
     }
 
@@ -59,4 +66,23 @@ class DeletedObject {
     override fun hashCode(): Int {
         return uuid.hashCode()
     }
+
+    override fun writeToParcel(parcel: Parcel, flags: Int) {
+        parcel.writeParcelable(ParcelUuid(uuid), flags)
+        parcel.writeParcelable(mDeletionTime, flags)
+    }
+
+    override fun describeContents(): Int {
+        return 0
+    }
+
+    companion object CREATOR : Parcelable.Creator<DeletedObject> {
+        override fun createFromParcel(parcel: Parcel): DeletedObject {
+            return DeletedObject(parcel)
+        }
+
+        override fun newArray(size: Int): Array<DeletedObject?> {
+            return arrayOfNulls(size)
+        }
+    }
 }

app/src/main/java/com/kunzisoft/keepass/database/element/Entry.kt

@@ -23,6 +23,7 @@ import android.os.Parcel
 import android.os.Parcelable
 import com.kunzisoft.keepass.database.element.binary.AttachmentPool
 import com.kunzisoft.keepass.database.element.database.DatabaseKDBX
+import com.kunzisoft.keepass.database.element.database.DatabaseVersioned
 import com.kunzisoft.keepass.database.element.entry.EntryKDB
 import com.kunzisoft.keepass.database.element.entry.EntryKDBX
 import com.kunzisoft.keepass.database.element.entry.EntryVersionedInterface
@@ -32,7 +33,6 @@ import com.kunzisoft.keepass.database.element.node.NodeId
 import com.kunzisoft.keepass.database.element.node.NodeIdUUID
 import com.kunzisoft.keepass.database.element.node.Type
 import com.kunzisoft.keepass.model.EntryInfo
-import com.kunzisoft.keepass.model.Field
 import com.kunzisoft.keepass.otp.OtpElement
 import com.kunzisoft.keepass.otp.OtpEntryFields
 import java.util.*
@@ -45,15 +45,6 @@ class Entry : Node, EntryVersionedInterface<Group> {
     var entryKDBX: EntryKDBX? = null
         private set
 
-    fun updateWith(entry: Entry, copyHistory: Boolean = true) {
-        entry.entryKDB?.let {
-            this.entryKDB?.updateWith(it)
-        }
-        entry.entryKDBX?.let {
-            this.entryKDBX?.updateWith(it, copyHistory)
-        }
-    }
-
     /**
      * Use this constructor to copy an Entry with exact same values
      */
@@ -64,7 +55,12 @@ class Entry : Node, EntryVersionedInterface<Group> {
         if (entry.entryKDBX != null) {
             this.entryKDBX = EntryKDBX()
         }
-        updateWith(entry, copyHistory)
+        entry.entryKDB?.let {
+            this.entryKDB?.updateWith(it)
+        }
+        entry.entryKDBX?.let {
+            this.entryKDBX?.updateWith(it, copyHistory)
+        }
     }
 
     constructor(entry: EntryKDB) {
@@ -114,6 +110,20 @@ class Entry : Node, EntryVersionedInterface<Group> {
             entryKDBX?.icon = value
         }
 
+    var tags: Tags
+        get() = entryKDBX?.tags ?: Tags()
+        set(value) {
+            entryKDBX?.tags = value
+        }
+
+    var previousParentGroup: UUID = DatabaseVersioned.UUID_ZERO
+        get() = entryKDBX?.previousParentGroup ?: DatabaseVersioned.UUID_ZERO
+        private set
+
+    fun setPreviousParentGroup(previousParent: Group?) {
+        entryKDBX?.previousParentGroup = previousParent?.groupKDBX?.id ?: DatabaseVersioned.UUID_ZERO
+    }
+
     override val type: Type
         get() = Type.ENTRY
 
@@ -268,8 +278,8 @@ class Entry : Node, EntryVersionedInterface<Group> {
     fun getExtraFields(): List<Field> {
         val extraFields = ArrayList<Field>()
         entryKDBX?.let {
-            for (field in it.customFields) {
+            it.doForEachDecodedCustomField { field ->
-                extraFields.add(Field(field.key, field.value))
+                extraFields.add(field)
             }
         }
         return extraFields
@@ -279,7 +289,7 @@ class Entry : Node, EntryVersionedInterface<Group> {
      * Update or add an extra field to the list (standard or custom)
      */
     fun putExtraField(field: Field) {
-        entryKDBX?.putExtraField(field.name, field.protectedValue)
+        entryKDBX?.putField(field)
     }
 
     private fun addExtraFields(fields: List<Field>) {
@@ -295,7 +305,7 @@ class Entry : Node, EntryVersionedInterface<Group> {
     fun getOtpElement(): OtpElement? {
         entryKDBX?.let {
             return OtpEntryFields.parseFields { key ->
-                it.customFields[key]?.toString()
+                it.getFieldValue(key)?.toString()
             }
         }
         return null
@@ -373,10 +383,6 @@ class Entry : Node, EntryVersionedInterface<Group> {
         return entryKDBX?.getSize(attachmentPool) ?: 0L
     }
 
-    fun containsCustomData(): Boolean {
-        return entryKDBX?.containsCustomData() ?: false
-    }
-
     /*
       ------------
       Converter
@@ -387,37 +393,46 @@ class Entry : Node, EntryVersionedInterface<Group> {
      * Retrieve generated entry info.
      * If are not [raw] data, remove parameter fields and add auto generated elements in auto custom fields
      */
-    fun getEntryInfo(database: Database?, raw: Boolean = false): EntryInfo {
+    fun getEntryInfo(database: Database?,
+                     raw: Boolean = false,
+                     removeTemplateConfiguration: Boolean = true): EntryInfo {
         val entryInfo = EntryInfo()
-        if (raw)
+        // Remove unwanted template fields
-            database?.stopManageEntry(this)
+        val baseInfo = if (removeTemplateConfiguration)
+            database?.removeTemplateConfiguration(this) ?: this
         else
-            database?.startManageEntry(this)
+            this
+        baseInfo.apply {
+            if (raw)
+                database?.stopManageEntry(this)
+            else
+                database?.startManageEntry(this)
 
-        entryInfo.id = nodeId.toString()
+            entryInfo.id = nodeId.id
-        entryInfo.title = title
+            entryInfo.title = title
-        entryInfo.icon = icon
+            entryInfo.icon = icon
-        entryInfo.username = username
+            entryInfo.username = username
-        entryInfo.password = password
+            entryInfo.password = password
-        entryInfo.creationTime = creationTime
+            entryInfo.creationTime = creationTime
-        entryInfo.lastModificationTime = lastModificationTime
+            entryInfo.lastModificationTime = lastModificationTime
-        entryInfo.expires = expires
+            entryInfo.expires = expires
-        entryInfo.expiryTime = expiryTime
+            entryInfo.expiryTime = expiryTime
-        entryInfo.url = url
+            entryInfo.url = url
-        entryInfo.notes = notes
+            entryInfo.notes = notes
-        entryInfo.customFields = getExtraFields()
+            entryInfo.customFields = getExtraFields().toMutableList()
-        // Add otpElement to generate token
+            // Add otpElement to generate token
-        entryInfo.otpModel = getOtpElement()?.otpModel
+            entryInfo.otpModel = getOtpElement()?.otpModel
-        if (!raw) {
+            if (!raw) {
-            // Replace parameter fields by generated OTP fields
+                // Replace parameter fields by generated OTP fields
-            entryInfo.customFields = OtpEntryFields.generateAutoFields(entryInfo.customFields)
+                entryInfo.customFields = OtpEntryFields.generateAutoFields(entryInfo.customFields)
-        }
+            }
-        database?.attachmentPool?.let { binaryPool ->
+            database?.attachmentPool?.let { binaryPool ->
-            entryInfo.attachments = getAttachments(binaryPool)
+                entryInfo.attachments = getAttachments(binaryPool).toMutableList()
-        }
+            }
 
-        if (!raw)
+            if (!raw)
-            database?.stopManageEntry(this)
+                database?.stopManageEntry(this)
+        }
         return entryInfo
     }
 
@@ -466,16 +481,7 @@ class Entry : Node, EntryVersionedInterface<Group> {
         return result
     }
 
-
+    companion object {
-    companion object CREATOR : Parcelable.Creator<Entry> {
-        override fun createFromParcel(parcel: Parcel): Entry {
-            return Entry(parcel)
-        }
-
-        override fun newArray(size: Int): Array<Entry?> {
-            return arrayOfNulls(size)
-        }
-
         const val PMS_TAN_ENTRY = "<TAN>"
 
         /**
@@ -484,5 +490,16 @@ class Entry : Node, EntryVersionedInterface<Group> {
         fun newExtraFieldNameAllowed(field: Field): Boolean {
             return EntryKDBX.newCustomNameAllowed(field.name)
         }
+
+        @JvmField
+        val CREATOR: Parcelable.Creator<Entry> = object : Parcelable.Creator<Entry> {
+            override fun createFromParcel(parcel: Parcel): Entry {
+                return Entry(parcel)
+            }
+
+            override fun newArray(size: Int): Array<Entry?> {
+                return arrayOfNulls(size)
+            }
+        }
     }
 }

app/src/main/java/com/kunzisoft/keepass/database/element/Field.kt

@@ -17,7 +17,7 @@
  *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package com.kunzisoft.keepass.model
+package com.kunzisoft.keepass.database.element
 
 import android.os.Parcel
 import android.os.Parcelable

app/src/main/java/com/kunzisoft/keepass/database/element/Group.kt

@@ -22,6 +22,7 @@ package com.kunzisoft.keepass.database.element
 import android.content.Context
 import android.os.Parcel
 import android.os.Parcelable
+import com.kunzisoft.keepass.database.element.database.DatabaseVersioned
 import com.kunzisoft.keepass.database.element.group.GroupKDB
 import com.kunzisoft.keepass.database.element.group.GroupKDBX
 import com.kunzisoft.keepass.database.element.group.GroupVersionedInterface
@@ -43,14 +44,7 @@ class Group : Node, GroupVersionedInterface<Group, Entry> {
     // Virtual group is used to defined a detached database group
     var isVirtual = false
 
-    fun updateWith(group: Group) {
+    var numberOfChildEntries: Int = 0
-        group.groupKDB?.let {
-            this.groupKDB?.updateWith(it)
-        }
-        group.groupKDBX?.let {
-            this.groupKDBX?.updateWith(it)
-        }
-    }
 
     /**
      * Use this constructor to copy a Group
@@ -64,7 +58,12 @@ class Group : Node, GroupVersionedInterface<Group, Entry> {
             if (this.groupKDBX == null)
                 this.groupKDBX = GroupKDBX()
         }
-        updateWith(group)
+        group.groupKDB?.let {
+            this.groupKDB?.updateWith(it)
+        }
+        group.groupKDBX?.let {
+            this.groupKDBX?.updateWith(it)
+        }
     }
 
     constructor(group: GroupKDB) {
@@ -117,8 +116,8 @@ class Group : Node, GroupVersionedInterface<Group, Entry> {
         dest.writeByte((if (isVirtual) 1 else 0).toByte())
     }
 
-    override val nodeId: NodeId<*>?
+    override val nodeId: NodeId<*>
-        get() = groupKDBX?.nodeId ?: groupKDB?.nodeId
+        get() = groupKDBX?.nodeId ?: groupKDB?.nodeId ?: NodeIdUUID()
 
     override var title: String
         get() = groupKDB?.title ?: groupKDBX?.title ?: ""
@@ -134,6 +133,20 @@ class Group : Node, GroupVersionedInterface<Group, Entry> {
             groupKDBX?.icon = value
         }
 
+    var tags: Tags
+        get() = groupKDBX?.tags ?: Tags()
+        set(value) {
+            groupKDBX?.tags = value
+        }
+
+    var previousParentGroup: UUID = DatabaseVersioned.UUID_ZERO
+        get() = groupKDBX?.previousParentGroup ?: DatabaseVersioned.UUID_ZERO
+        private set
+
+    fun setPreviousParentGroup(previousParent: Group?) {
+        groupKDBX?.previousParentGroup = previousParent?.groupKDBX?.id ?: DatabaseVersioned.UUID_ZERO
+    }
+
     override val type: Type
         get() = Type.GROUP
 
@@ -255,6 +268,20 @@ class Group : Node, GroupVersionedInterface<Group, Entry> {
         ArrayList()
     }
 
+    fun getFilteredChildGroups(filters: Array<ChildFilter>): List<Group> {
+        return groupKDB?.getChildGroups()?.map {
+            Group(it).apply {
+                this.refreshNumberOfChildEntries(filters)
+            }
+        } ?:
+        groupKDBX?.getChildGroups()?.map {
+            Group(it).apply {
+                this.refreshNumberOfChildEntries(filters)
+            }
+        } ?:
+        ArrayList()
+    }
+
     override fun getChildEntries(): List<Entry> {
         return groupKDB?.getChildEntries()?.map {
             Entry(it)
@@ -291,8 +318,8 @@ class Group : Node, GroupVersionedInterface<Group, Entry> {
         ArrayList()
     }
 
-    fun getNumberOfChildEntries(filters: Array<ChildFilter> = emptyArray()): Int {
+    fun refreshNumberOfChildEntries(filters: Array<ChildFilter> = emptyArray()) {
-        return getFilteredChildEntries(filters).size
+        this.numberOfChildEntries = getFilteredChildEntries(filters).size
     }
 
     /**
@@ -304,7 +331,9 @@ class Group : Node, GroupVersionedInterface<Group, Entry> {
     }
 
     fun getFilteredChildren(filters: Array<ChildFilter>): List<Node> {
-        return getChildGroups() + getFilteredChildEntries(filters)
+        val nodes = getFilteredChildGroups(filters) + getFilteredChildEntries(filters)
+        refreshNumberOfChildEntries(filters)
+        return nodes
     }
 
     override fun addChildGroup(group: Group) {
@@ -325,6 +354,24 @@ class Group : Node, GroupVersionedInterface<Group, Entry> {
         }
     }
 
+    override fun updateChildGroup(group: Group) {
+        group.groupKDB?.let {
+            groupKDB?.updateChildGroup(it)
+        }
+        group.groupKDBX?.let {
+            groupKDBX?.updateChildGroup(it)
+        }
+    }
+
+    override fun updateChildEntry(entry: Entry) {
+        entry.entryKDB?.let {
+            groupKDB?.updateChildEntry(it)
+        }
+        entry.entryKDBX?.let {
+            groupKDBX?.updateChildEntry(it)
+        }
+    }
+
     override fun removeChildGroup(group: Group) {
         group.groupKDB?.let {
             groupKDB?.removeChildGroup(it)
@@ -368,14 +415,6 @@ class Group : Node, GroupVersionedInterface<Group, Entry> {
         groupKDB?.nodeId = id
     }
 
-    fun getLevel(): Int {
-        return groupKDB?.level ?: -1
-    }
-
-    fun setLevel(level: Int) {
-        groupKDB?.level = level
-    }
-
     /*
       ------------
       KDBX Methods
@@ -402,10 +441,6 @@ class Group : Node, GroupVersionedInterface<Group, Entry> {
         groupKDBX?.isExpanded = expanded
     }
 
-    fun containsCustomData(): Boolean {
-        return groupKDBX?.containsCustomData() ?: false
-    }
-
     /*
       ------------
       Converter
@@ -452,4 +487,10 @@ class Group : Node, GroupVersionedInterface<Group, Entry> {
         result = 31 * result + (groupKDBX?.hashCode() ?: 0)
         return result
     }
+
+    override fun toString(): String {
+        return groupKDB?.toString() ?: groupKDBX?.toString() ?: "Undefined"
+    }
+
+
 }

app/src/main/java/com/kunzisoft/keepass/database/element/SortNodeEnum.kt

@@ -28,15 +28,17 @@ import java.util.*
 enum class SortNodeEnum {
     DB, TITLE, USERNAME, CREATION_TIME, LAST_MODIFY_TIME, LAST_ACCESS_TIME;
 
-    fun <G: GroupVersionedInterface<G, *>> getNodeComparator(sortNodeParameters: SortNodeParameters)
+    fun <G: GroupVersionedInterface<G, *>> getNodeComparator(
+            database: Database,
+            sortNodeParameters: SortNodeParameters)
             : Comparator<NodeVersionedInterface<G>> {
         return when (this) {
-            DB -> NodeNaturalComparator(sortNodeParameters) // Force false because natural order contains recycle bin
+            DB -> NodeNaturalComparator(database, sortNodeParameters) // Force false because natural order contains recycle bin
-            TITLE -> NodeTitleComparator(sortNodeParameters)
+            TITLE -> NodeTitleComparator(database, sortNodeParameters)
-            USERNAME -> NodeUsernameComparator(sortNodeParameters)
+            USERNAME -> NodeUsernameComparator(database, sortNodeParameters)
-            CREATION_TIME -> NodeCreationComparator(sortNodeParameters)
+            CREATION_TIME -> NodeCreationComparator(database, sortNodeParameters)
-            LAST_MODIFY_TIME -> NodeLastModificationComparator(sortNodeParameters)
+            LAST_MODIFY_TIME -> NodeLastModificationComparator(database, sortNodeParameters)
-            LAST_ACCESS_TIME -> NodeLastAccessComparator(sortNodeParameters)
+            LAST_ACCESS_TIME -> NodeLastAccessComparator(database, sortNodeParameters)
         }
     }
 
@@ -48,11 +50,9 @@ enum class SortNodeEnum {
             <
                 G: GroupVersionedInterface<*, *>,
                 T: NodeVersionedInterface<G>
-            >(var sortNodeParameters: SortNodeParameters)
+            >(var database: Database, var sortNodeParameters: SortNodeParameters)
         : Comparator<T> {
 
-        val database = Database.getInstance()
-
         abstract fun compareBySpecificOrder(object1: T, object2: T): Int
 
         private fun specificOrderOrHashIfEquals(object1: T, object2: T): Int {
@@ -110,8 +110,9 @@ enum class SortNodeEnum {
      * Comparator of node by natural database placement
      */
     class NodeNaturalComparator<G: GroupVersionedInterface<*, *>, T: NodeVersionedInterface<G>>(
+            database: Database,
             sortNodeParameters: SortNodeParameters)
-        : NodeComparator<G, T>(sortNodeParameters) {
+        : NodeComparator<G, T>(database, sortNodeParameters) {
 
         override fun compareBySpecificOrder(object1: T, object2: T): Int {
             return object1.nodeIndexInParentForNaturalOrder()
@@ -123,13 +124,14 @@ enum class SortNodeEnum {
      * Comparator of Node by Title
      */
     class NodeTitleComparator<G: GroupVersionedInterface<*, *>, T: NodeVersionedInterface<G>>(
+            database: Database,
             sortNodeParameters: SortNodeParameters)
-        : NodeComparator<G, T>(sortNodeParameters) {
+        : NodeComparator<G, T>(database, sortNodeParameters) {
 
         override fun compareBySpecificOrder(object1: T, object2: T): Int {
             val titleCompare = object1.title.compareTo(object2.title, ignoreCase = true)
             return if (titleCompare == 0)
-                NodeNaturalComparator<G, T>(sortNodeParameters)
+                NodeNaturalComparator<G, T>(database, sortNodeParameters)
                         .compare(object1, object2)
             else
                 titleCompare
@@ -140,8 +142,9 @@ enum class SortNodeEnum {
      * Comparator of Node by Username, Groups by title
      */
     class NodeUsernameComparator<G: GroupVersionedInterface<*, *>, T: NodeVersionedInterface<G>>(
+            database: Database,
             sortNodeParameters: SortNodeParameters)
-        : NodeComparator<G, T>(sortNodeParameters) {
+        : NodeComparator<G, T>(database, sortNodeParameters) {
 
         override fun compareBySpecificOrder(object1: T, object2: T): Int {
             return if (object1.type == Type.ENTRY && object2.type == Type.ENTRY) {
@@ -150,12 +153,12 @@ enum class SortNodeEnum {
                         .compareTo((object2 as Entry).getEntryInfo(database).username,
                                 ignoreCase = true)
                 if (usernameCompare == 0)
-                    NodeTitleComparator<G, T>(sortNodeParameters)
+                    NodeTitleComparator<G, T>(database, sortNodeParameters)
                             .compare(object1, object2)
                 else
                     usernameCompare
             } else {
-                NodeTitleComparator<G, T>(sortNodeParameters)
+                NodeTitleComparator<G, T>(database, sortNodeParameters)
                         .compare(object1, object2)
             }
         }
@@ -165,14 +168,15 @@ enum class SortNodeEnum {
      * Comparator of node by creation
      */
     class NodeCreationComparator<G: GroupVersionedInterface<*, *>, T: NodeVersionedInterface<G>>(
+            database: Database,
             sortNodeParameters: SortNodeParameters)
-        : NodeComparator<G, T>(sortNodeParameters) {
+        : NodeComparator<G, T>(database, sortNodeParameters) {
 
         override fun compareBySpecificOrder(object1: T, object2: T): Int {
             val creationCompare = object1.creationTime.date
                     .compareTo(object2.creationTime.date)
             return if (creationCompare == 0)
-                NodeNaturalComparator<G, T>(sortNodeParameters)
+                NodeNaturalComparator<G, T>(database, sortNodeParameters)
                         .compare(object1, object2)
             else
                 creationCompare
@@ -183,14 +187,15 @@ enum class SortNodeEnum {
      * Comparator of node by last modification
      */
     class NodeLastModificationComparator<G: GroupVersionedInterface<*, *>, T: NodeVersionedInterface<G>>(
+            database: Database,
             sortNodeParameters: SortNodeParameters)
-        : NodeComparator<G, T>(sortNodeParameters) {
+        : NodeComparator<G, T>(database, sortNodeParameters) {
 
         override fun compareBySpecificOrder(object1: T, object2: T): Int {
             val lastModificationCompare = object1.lastModificationTime.date
                     .compareTo(object2.lastModificationTime.date)
             return if (lastModificationCompare == 0)
-                NodeNaturalComparator<G, T>(sortNodeParameters)
+                NodeNaturalComparator<G, T>(database, sortNodeParameters)
                         .compare(object1, object2)
             else
                 lastModificationCompare
@@ -201,14 +206,15 @@ enum class SortNodeEnum {
      * Comparator of node by last access
      */
     class NodeLastAccessComparator<G: GroupVersionedInterface<*, *>, T: NodeVersionedInterface<G>>(
+            database: Database,
             sortNodeParameters: SortNodeParameters)
-        : NodeComparator<G, T>(sortNodeParameters) {
+        : NodeComparator<G, T>(database, sortNodeParameters) {
 
         override fun compareBySpecificOrder(object1: T, object2: T): Int {
             val lastAccessCompare = object1.lastAccessTime.date
                     .compareTo(object2.lastAccessTime.date)
             return if (lastAccessCompare == 0)
-                NodeNaturalComparator<G, T>(sortNodeParameters)
+                NodeNaturalComparator<G, T>(database, sortNodeParameters)
                         .compare(object1, object2)
             else
                 lastAccessCompare

app/src/main/java/com/kunzisoft/keepass/database/element/Tags.kt

@@ -0,0 +1,45 @@
+package com.kunzisoft.keepass.database.element
+
+import android.os.Parcel
+import android.os.Parcelable
+
+class Tags: Parcelable {
+
+    private val mTags = ArrayList<String>()
+
+    constructor()
+
+    constructor(values: String): this() {
+        mTags.addAll(values.split(';'))
+    }
+
+    constructor(parcel: Parcel) : this() {
+        parcel.readStringList(mTags)
+    }
+
+    override fun writeToParcel(parcel: Parcel, flags: Int) {
+        parcel.writeStringList(mTags)
+    }
+
+    override fun describeContents(): Int {
+        return 0
+    }
+
+    fun isEmpty(): Boolean {
+        return mTags.isEmpty()
+    }
+
+    override fun toString(): String {
+        return mTags.joinToString(";")
+    }
+
+    companion object CREATOR : Parcelable.Creator<Tags> {
+        override fun createFromParcel(parcel: Parcel): Tags {
+            return Tags(parcel)
+        }
+
+        override fun newArray(size: Int): Array<Tags?> {
+            return arrayOfNulls(size)
+        }
+    }
+}

app/src/main/java/com/kunzisoft/keepass/database/element/binary/BinaryCache.kt

@@ -11,7 +11,7 @@ class BinaryCache {
      */
     var loadedCipherKey: LoadedKey = LoadedKey.generateNewCipherKey()
 
-    lateinit var cacheDirectory: File
+    var cacheDirectory: File? = null
 
     private val voidBinary = KeyByteArray(UNKNOWN, ByteArray(0))
 
@@ -19,15 +19,16 @@ class BinaryCache {
                       smallSize: Boolean = false,
                       compression: Boolean = false,
                       protection: Boolean = false): BinaryData {
-        return if (smallSize) {
+        val cacheDir = cacheDirectory
+        return if (smallSize || cacheDir == null) {
             BinaryByte(binaryId, compression, protection)
         } else {
-            val fileInCache = File(cacheDirectory, binaryId)
+            val fileInCache = File(cacheDir, binaryId)
-            return BinaryFile(fileInCache, compression, protection)
+            BinaryFile(fileInCache, compression, protection)
         }
     }
 
-    // Similar to file storage but much faster
+    // Similar to file storage but much faster TODO SparseArray
     private val byteArrayList = HashMap<String, ByteArray>()
 
     fun getByteArray(key: String): KeyByteArray {

app/src/main/java/com/kunzisoft/keepass/database/element/binary/CustomIconPool.kt

@@ -1,8 +1,27 @@
 package com.kunzisoft.keepass.database.element.binary
 
+import com.kunzisoft.keepass.database.element.DateInstant
+import com.kunzisoft.keepass.database.element.icon.IconImageCustom
 import java.util.*
 
-class CustomIconPool(binaryCache: BinaryCache) : BinaryPool<UUID>(binaryCache) {
+class CustomIconPool(private val binaryCache: BinaryCache) : BinaryPool<UUID>(binaryCache) {
+
+    private val customIcons = HashMap<UUID, IconImageCustom>()
+
+    fun put(key: UUID? = null,
+            name: String,
+            lastModificationTime: DateInstant?,
+            smallSize: Boolean,
+            result: (IconImageCustom, BinaryData?) -> Unit) {
+        val keyBinary = super.put(key) { uniqueBinaryId ->
+            // Create a byte array for better performance with small data
+            binaryCache.getBinaryData(uniqueBinaryId, smallSize)
+        }
+        val uuid = keyBinary.keys.first()
+        val customIcon = IconImageCustom(uuid, name, lastModificationTime)
+        customIcons[uuid] = customIcon
+        result.invoke(customIcon, keyBinary.binary)
+    }
 
     override fun findUnusedKey(): UUID {
         var newUUID = UUID.randomUUID()
@@ -11,4 +30,14 @@ class CustomIconPool(binaryCache: BinaryCache) : BinaryPool<UUID>(binaryCache) {
         }
         return newUUID
     }
+
+    fun any(predicate: (IconImageCustom)-> Boolean): Boolean {
+        return customIcons.any { predicate(it.value) }
+    }
+
+    fun doForEachCustomIcon(action: (customIcon: IconImageCustom, binary: BinaryData) -> Unit) {
+        doForEachBinary { key, binary ->
+            action.invoke(customIcons[key] ?: IconImageCustom(key), binary)
+        }
+    }
 }

app/src/main/java/com/kunzisoft/keepass/database/element/database/DatabaseKDB.kt

@@ -38,8 +38,6 @@ import kotlin.collections.ArrayList
 
 class DatabaseKDB : DatabaseVersioned<Int, UUID, GroupKDB, EntryKDB>() {
 
-    private var backupGroupId: Int = BACKUP_FOLDER_UNDEFINED_ID
-
     private var kdfListV3: MutableList<KdfEngine> = ArrayList()
 
     override val version: String
@@ -55,13 +53,14 @@ class DatabaseKDB : DatabaseVersioned<Int, UUID, GroupKDB, EntryKDB>() {
         return getGroupById(NodeIdInt(groupId))
     }
 
-    // Retrieve backup group in index
     val backupGroup: GroupKDB?
         get() {
-            return if (backupGroupId == BACKUP_FOLDER_UNDEFINED_ID)
+            return retrieveBackup()
-                null
+        }
-            else
+
-                getGroupById(backupGroupId)
+    val groupNamesNotAllowed: List<String>
+        get() {
+            return listOf(BACKUP_FOLDER_TITLE)
         }
 
     override val kdfEngine: KdfEngine
@@ -80,12 +79,7 @@ class DatabaseKDB : DatabaseVersioned<Int, UUID, GroupKDB, EntryKDB>() {
 
     val rootGroups: List<GroupKDB>
         get() {
-            val kids = ArrayList<GroupKDB>()
+            return rootGroup?.getChildGroups() ?: ArrayList()
-            doForEachGroupInIndex { group ->
-                if (group.level == 0)
-                    kids.add(group)
-            }
-            return kids
         }
 
     override val passwordEncoding: String
@@ -163,27 +157,16 @@ class DatabaseKDB : DatabaseVersioned<Int, UUID, GroupKDB, EntryKDB>() {
         return this.iconsManager.getIcon(iconId)
     }
 
-    override fun containsCustomData(): Boolean {
-        return false
-    }
-
     override fun isInRecycleBin(group: GroupKDB): Boolean {
         var currentGroup: GroupKDB? = group
+        val currentBackupGroup = backupGroup ?: return false
 
-        // Init backup group variable
+        if (currentGroup == currentBackupGroup)
-        if (backupGroupId == BACKUP_FOLDER_UNDEFINED_ID)
-            findBackupGroupId()
-
-        if (backupGroup == null)
-            return false
-
-        if (currentGroup == backupGroup)
             return true
 
+        val backupGroupId = currentBackupGroup.id
         while (currentGroup != null) {
-            if (currentGroup.level == 0
+            if (backupGroupId == currentGroup.id) {
-                    && currentGroup.title.equals(BACKUP_FOLDER_TITLE, ignoreCase = true)) {
-                backupGroupId = currentGroup.id
                 return true
             }
             currentGroup = currentGroup.parent
@@ -191,12 +174,12 @@ class DatabaseKDB : DatabaseVersioned<Int, UUID, GroupKDB, EntryKDB>() {
         return false
     }
 
-    private fun findBackupGroupId() {
+    /**
-        rootGroups.forEach { currentGroup ->
+     * Retrieve backup group with his name
-            if (currentGroup.level == 0
+     */
-                    && currentGroup.title.equals(BACKUP_FOLDER_TITLE, ignoreCase = true)) {
+    private fun retrieveBackup(): GroupKDB? {
-                backupGroupId = currentGroup.id
+        return rootGroup?.searchChildGroup {
-            }
+            it.title.equals(BACKUP_FOLDER_TITLE, ignoreCase = true)
         }
     }
 
@@ -205,8 +188,6 @@ class DatabaseKDB : DatabaseVersioned<Int, UUID, GroupKDB, EntryKDB>() {
      * if it doesn't exist
      */
     fun ensureBackupExists() {
-        findBackupGroupId()
-
         if (backupGroup == null) {
             // Create recycle bin
             val recycleBinGroup = createGroup().apply {
@@ -214,7 +195,6 @@ class DatabaseKDB : DatabaseVersioned<Int, UUID, GroupKDB, EntryKDB>() {
                 icon.standard = getStandardIcon(IconImageStandard.TRASH_ID)
             }
             addGroupTo(recycleBinGroup, rootGroup)
-            backupGroupId = recycleBinGroup.id
         }
     }
 
@@ -268,6 +248,5 @@ class DatabaseKDB : DatabaseVersioned<Int, UUID, GroupKDB, EntryKDB>() {
         val TYPE = DatabaseKDB::class.java
 
         const val BACKUP_FOLDER_TITLE = "Backup"
-        private const val BACKUP_FOLDER_UNDEFINED_ID = -1
     }
 }

app/src/main/java/com/kunzisoft/keepass/database/element/database/DatabaseKDBX.kt

@@ -23,8 +23,6 @@ import android.content.res.Resources
 import android.util.Base64
 import android.util.Log
 import com.kunzisoft.encrypt.HashManager
-import com.kunzisoft.keepass.utils.UnsignedInt
-import com.kunzisoft.keepass.utils.longTo8Bytes
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.database.action.node.NodeHandler
 import com.kunzisoft.keepass.database.crypto.AesEngine
@@ -34,22 +32,29 @@ import com.kunzisoft.keepass.database.crypto.VariantDictionary
 import com.kunzisoft.keepass.database.crypto.kdf.KdfEngine
 import com.kunzisoft.keepass.database.crypto.kdf.KdfFactory
 import com.kunzisoft.keepass.database.crypto.kdf.KdfParameters
+import com.kunzisoft.keepass.database.element.CustomData
 import com.kunzisoft.keepass.database.element.DateInstant
 import com.kunzisoft.keepass.database.element.DeletedObject
 import com.kunzisoft.keepass.database.element.binary.BinaryData
 import com.kunzisoft.keepass.database.element.database.DatabaseKDB.Companion.BACKUP_FOLDER_TITLE
 import com.kunzisoft.keepass.database.element.entry.EntryKDBX
+import com.kunzisoft.keepass.database.element.entry.FieldReferencesEngine
 import com.kunzisoft.keepass.database.element.group.GroupKDBX
 import com.kunzisoft.keepass.database.element.icon.IconImageCustom
 import com.kunzisoft.keepass.database.element.icon.IconImageStandard
 import com.kunzisoft.keepass.database.element.node.NodeIdUUID
 import com.kunzisoft.keepass.database.element.node.NodeVersioned
 import com.kunzisoft.keepass.database.element.security.MemoryProtectionConfig
+import com.kunzisoft.keepass.database.element.template.Template
+import com.kunzisoft.keepass.database.element.template.TemplateEngineCompatible
 import com.kunzisoft.keepass.database.exception.UnknownKDF
-import com.kunzisoft.keepass.database.file.DatabaseHeaderKDBX.Companion.FILE_VERSION_32_3
+import com.kunzisoft.keepass.database.file.DatabaseHeaderKDBX.Companion.FILE_VERSION_31
-import com.kunzisoft.keepass.database.file.DatabaseHeaderKDBX.Companion.FILE_VERSION_32_4
+import com.kunzisoft.keepass.database.file.DatabaseHeaderKDBX.Companion.FILE_VERSION_40
+import com.kunzisoft.keepass.database.file.DatabaseHeaderKDBX.Companion.FILE_VERSION_41
 import com.kunzisoft.keepass.utils.StringUtil.removeSpaceChars
 import com.kunzisoft.keepass.utils.StringUtil.toHexString
+import com.kunzisoft.keepass.utils.UnsignedInt
+import com.kunzisoft.keepass.utils.longTo8Bytes
 import org.apache.commons.codec.binary.Hex
 import org.w3c.dom.Node
 import java.io.IOException
@@ -75,6 +80,8 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
     private var kdfList: MutableList<KdfEngine> = ArrayList()
     private var numKeyEncRounds: Long = 0
     var publicCustomData = VariantDictionary()
+    private val mFieldReferenceEngine = FieldReferencesEngine(this)
+    private val mTemplateEngine = TemplateEngineCompatible(this)
 
     var kdbxVersion = UnsignedInt(0)
     var name = ""
@@ -100,7 +107,7 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
      */
     var isRecycleBinEnabled = true
     var recycleBinUUID: UUID = UUID_ZERO
-    var recycleBinChanged = Date()
+    var recycleBinChanged = DateInstant()
     var entryTemplatesGroup = UUID_ZERO
     var entryTemplatesGroupChanged = DateInstant()
     var historyMaxItems = DEFAULT_HISTORY_MAX_ITEMS
@@ -109,7 +116,7 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
     var lastTopVisibleGroupUUID = UUID_ZERO
     var memoryProtection = MemoryProtectionConfig()
     val deletedObjects = ArrayList<DeletedObject>()
-    val customData = HashMap<String, String>()
+    val customData = CustomData()
 
     var localizedAppName = "KeePassDX"
 
@@ -124,22 +131,29 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
     /**
      * Create a new database with a root group
      */
-    constructor(databaseName: String, rootName: String) {
+    constructor(databaseName: String,
+                rootName: String,
+                templatesGroupName: String? = null) {
         name = databaseName
-        kdbxVersion = FILE_VERSION_32_3
+        kdbxVersion = FILE_VERSION_31
         val group = createGroup().apply {
             title = rootName
             icon.standard = getStandardIcon(IconImageStandard.FOLDER_ID)
         }
         rootGroup = group
-        addGroupIndex(group)
+        if (templatesGroupName != null) {
+            val templatesGroup = mTemplateEngine.createNewTemplatesGroup(templatesGroupName)
+            entryTemplatesGroup = templatesGroup.id
+            entryTemplatesGroupChanged = templatesGroup.lastModificationTime
+        }
     }
 
     override val version: String
         get() {
             val kdbxStringVersion = when(kdbxVersion) {
-                FILE_VERSION_32_3 -> "3.1"
+                FILE_VERSION_31 -> "3.1"
-                FILE_VERSION_32_4 -> "4.0"
+                FILE_VERSION_40 -> "4.0"
+                FILE_VERSION_41 -> "4.1"
                 else -> "UNKNOWN"
             }
             return "KeePass 2 - KDBX$kdbxStringVersion"
@@ -187,7 +201,7 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
                     }
                     CompressionAlgorithm.GZip -> {
                         // Only in databaseV3.1, in databaseV4 the header is zipped during the save
-                        if (kdbxVersion.isBefore(FILE_VERSION_32_4)) {
+                        if (kdbxVersion.isBefore(FILE_VERSION_40)) {
                             compressAllBinaries()
                         }
                     }
@@ -195,7 +209,7 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
             }
             CompressionAlgorithm.GZip -> {
                 // In databaseV4 the header is zipped during the save, so not necessary here
-                if (kdbxVersion.isBefore(FILE_VERSION_32_4)) {
+                if (kdbxVersion.isBefore(FILE_VERSION_40)) {
                     when (newCompression) {
                         CompressionAlgorithm.None -> {
                             decompressAllBinaries()
@@ -313,9 +327,11 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
     }
 
     fun addCustomIcon(customIconId: UUID? = null,
+                      name: String,
+                      lastModificationTime: DateInstant?,
                       smallSize: Boolean,
                       result: (IconImageCustom, BinaryData?) -> Unit) {
-        iconsManager.addCustomIcon(customIconId, smallSize, result)
+        iconsManager.addCustomIcon(customIconId, name, lastModificationTime, smallSize, result)
     }
 
     fun isCustomIconBinaryDuplicate(binary: BinaryData): Boolean {
@@ -326,12 +342,118 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
         return this.iconsManager.getIcon(iconUuid)
     }
 
-    fun putCustomData(label: String, value: String) {
+    fun isTemplatesGroupEnabled(): Boolean {
-        this.customData[label] = value
+        return entryTemplatesGroup != UUID_ZERO
     }
 
-    override fun containsCustomData(): Boolean {
+    fun enableTemplatesGroup(enable: Boolean, templatesGroupName: String) {
-        return customData.isNotEmpty()
+        // Create templates group only if a group with a valid name don't already exists
+        val firstGroupWithValidName = getGroupIndexes().firstOrNull {
+            it.title == templatesGroupName
+        }
+        if (enable) {
+            val templatesGroup = firstGroupWithValidName
+                ?: mTemplateEngine.createNewTemplatesGroup(templatesGroupName)
+            entryTemplatesGroup = templatesGroup.id
+            entryTemplatesGroupChanged = templatesGroup.lastModificationTime
+        } else {
+            removeTemplatesGroup()
+        }
+    }
+
+    fun removeTemplatesGroup() {
+        entryTemplatesGroup = UUID_ZERO
+        entryTemplatesGroupChanged = DateInstant()
+        mTemplateEngine.clearCache()
+    }
+
+    fun getTemplatesGroup(): GroupKDBX? {
+        if (isTemplatesGroupEnabled()) {
+            return getGroupById(entryTemplatesGroup)
+        }
+        return null
+    }
+
+    fun getTemplates(templateCreation: Boolean): List<Template> {
+        return if (templateCreation)
+            listOf(mTemplateEngine.getTemplateCreation())
+        else
+            mTemplateEngine.getTemplates()
+    }
+
+    fun getTemplate(entry: EntryKDBX): Template? {
+        return mTemplateEngine.getTemplate(entry)
+    }
+
+    fun decodeEntryWithTemplateConfiguration(entryKDBX: EntryKDBX, entryIsTemplate: Boolean): EntryKDBX {
+        return if (entryIsTemplate) {
+            mTemplateEngine.decodeTemplateEntry(entryKDBX)
+        } else {
+            mTemplateEngine.removeMetaTemplateRecognitionFromEntry(entryKDBX)
+        }
+    }
+
+    fun encodeEntryWithTemplateConfiguration(entryKDBX: EntryKDBX, entryIsTemplate: Boolean, template: Template): EntryKDBX {
+        return if (entryIsTemplate) {
+            mTemplateEngine.encodeTemplateEntry(entryKDBX)
+        } else {
+            mTemplateEngine.addMetaTemplateRecognitionToEntry(template, entryKDBX)
+        }
+    }
+
+    /*
+     * Search methods
+     */
+
+    fun getGroupById(id: UUID): GroupKDBX? {
+        return this.getGroupById(NodeIdUUID(id))
+    }
+
+    fun getEntryById(id: UUID): EntryKDBX? {
+        return this.getEntryById(NodeIdUUID(id))
+    }
+
+    fun getEntryByTitle(title: String, recursionLevel: Int): EntryKDBX? {
+        return this.entryIndexes.values.find { entry ->
+            entry.decodeTitleKey(recursionLevel).equals(title, true)
+        }
+    }
+
+    fun getEntryByUsername(username: String, recursionLevel: Int): EntryKDBX? {
+        return this.entryIndexes.values.find { entry ->
+            entry.decodeUsernameKey(recursionLevel).equals(username, true)
+        }
+    }
+
+    fun getEntryByURL(url: String, recursionLevel: Int): EntryKDBX? {
+        return this.entryIndexes.values.find { entry ->
+            entry.decodeUrlKey(recursionLevel).equals(url, true)
+        }
+    }
+
+    fun getEntryByPassword(password: String, recursionLevel: Int): EntryKDBX? {
+        return this.entryIndexes.values.find { entry ->
+            entry.decodePasswordKey(recursionLevel).equals(password, true)
+        }
+    }
+
+    fun getEntryByNotes(notes: String, recursionLevel: Int): EntryKDBX? {
+        return this.entryIndexes.values.find { entry ->
+            entry.decodeNotesKey(recursionLevel).equals(notes, true)
+        }
+    }
+
+    fun getEntryByCustomData(customDataValue: String): EntryKDBX? {
+        return entryIndexes.values.find { entry ->
+            entry.customData.containsItemWithValue(customDataValue)
+        }
+    }
+
+    /**
+     * Retrieve the value of a field reference
+     */
+    fun getFieldReferenceValue(textReference: String, recursionLevel: Int): String {
+        return mFieldReferenceEngine.compile(textReference, recursionLevel)
     }
 
     @Throws(IOException::class)
@@ -584,24 +706,32 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
      */
     fun ensureRecycleBinExists(resources: Resources) {
         if (recycleBin == null) {
-            // Create recycle bin
+            // Create recycle bin only if a group with a valid name don't already exists
-            val recycleBinGroup = createGroup().apply {
+            val firstGroupWithValidName = getGroupIndexes().firstOrNull {
-                title = resources.getString(R.string.recycle_bin)
+                it.title == resources.getString(R.string.recycle_bin)
-                icon.standard = getStandardIcon(IconImageStandard.TRASH_ID)
+            }
-                enableAutoType = false
+            val recycleBinGroup = if (firstGroupWithValidName == null) {
-                enableSearching = false
+                val newRecycleBinGroup = createGroup().apply {
-                isExpanded = false
+                    title = resources.getString(R.string.recycle_bin)
+                    icon.standard = getStandardIcon(IconImageStandard.TRASH_ID)
+                    enableAutoType = false
+                    enableSearching = false
+                    isExpanded = false
+                }
+                addGroupTo(newRecycleBinGroup, rootGroup)
+                newRecycleBinGroup
+            } else {
+                firstGroupWithValidName
             }
-            addGroupTo(recycleBinGroup, rootGroup)
             recycleBinUUID = recycleBinGroup.id
-            recycleBinChanged = recycleBinGroup.lastModificationTime.date
+            recycleBinChanged = recycleBinGroup.lastModificationTime
         }
     }
 
     fun removeRecycleBin() {
         if (recycleBin != null) {
             recycleBinUUID = UUID_ZERO
-            recycleBinChanged = DateInstant().date
+            recycleBinChanged = DateInstant()
         }
     }
 
@@ -615,6 +745,9 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
             return false
         if (recycleBin == null)
             return false
+        if (node is GroupKDBX
+                && recycleBin!!.isContainedIn(node))
+            return false
         if (!node.isContainedIn(recycleBin!!))
             return true
         return false
@@ -652,9 +785,20 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
         this.deletedObjects.add(deletedObject)
     }
 
+    override fun addEntryTo(newEntry: EntryKDBX, parent: GroupKDBX?) {
+        super.addEntryTo(newEntry, parent)
+        mFieldReferenceEngine.clear()
+    }
+
+    override fun updateEntry(entry: EntryKDBX) {
+        super.updateEntry(entry)
+        mFieldReferenceEngine.clear()
+    }
+
     override fun removeEntryFrom(entryToRemove: EntryKDBX, parent: GroupKDBX?) {
         super.removeEntryFrom(entryToRemove, parent)
         deletedObjects.add(DeletedObject(entryToRemove.id))
+        mFieldReferenceEngine.clear()
     }
 
     override fun undoDeleteEntryFrom(entry: EntryKDBX, origParent: GroupKDBX?) {
@@ -725,6 +869,7 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
     override fun clearCache() {
         try {
             super.clearCache()
+            mFieldReferenceEngine.clear()
             attachmentPool.clear()
         } catch (e: Exception) {
             Log.e(TAG, "Unable to clear cache", e)

app/src/main/java/com/kunzisoft/keepass/database/element/database/DatabaseVersioned.kt

@@ -35,7 +35,6 @@ import java.io.ByteArrayInputStream
 import java.io.IOException
 import java.io.InputStream
 import java.io.UnsupportedEncodingException
-import java.security.MessageDigest
 import java.util.*
 
 abstract class DatabaseVersioned<
@@ -68,7 +67,7 @@ abstract class DatabaseVersioned<
     var changeDuplicateId = false
 
     private var groupIndexes = LinkedHashMap<NodeId<GroupId>, Group>()
-    private var entryIndexes = LinkedHashMap<NodeId<EntryId>, Entry>()
+    protected var entryIndexes = LinkedHashMap<NodeId<EntryId>, Entry>()
 
     abstract val version: String
 
@@ -87,6 +86,16 @@ abstract class DatabaseVersioned<
     abstract val availableEncryptionAlgorithms: List<EncryptionAlgorithm>
 
     var rootGroup: Group? = null
+        set(value) {
+            field = value
+            value?.let {
+                addGroupIndex(it)
+            }
+        }
+
+    fun getAllGroupsWithoutRoot(): List<Group> {
+        return getGroupIndexes().filter { it != rootGroup }
+    }
 
     @Throws(IOException::class)
     protected abstract fun getMasterKey(key: String?, keyInputStream: InputStream?): ByteArray
@@ -233,13 +242,6 @@ abstract class DatabaseVersioned<
         }
     }
 
-    fun updateGroupIndex(group: Group) {
-        val groupId = group.nodeId
-        if (groupIndexes.containsKey(groupId)) {
-            groupIndexes[groupId] = group
-        }
-    }
-
     fun removeGroupIndex(group: Group) {
         this.groupIndexes.remove(group.nodeId)
     }
@@ -282,13 +284,6 @@ abstract class DatabaseVersioned<
         }
     }
 
-    fun updateEntryIndex(entry: Entry) {
-        val entryId = entry.nodeId
-        if (entryIndexes.containsKey(entryId)) {
-            entryIndexes[entryId] = entry
-        }
-    }
-
     fun removeEntryIndex(entry: Entry) {
         this.entryIndexes.remove(entry.nodeId)
     }
@@ -312,8 +307,6 @@ abstract class DatabaseVersioned<
 
     abstract fun getStandardIcon(iconId: Int): IconImageStandard
 
-    abstract fun containsCustomData(): Boolean
-
     fun addGroupTo(newGroup: Group, parent: Group?) {
         // Add tree to parent tree
         parent?.addChildGroup(newGroup)
@@ -322,7 +315,11 @@ abstract class DatabaseVersioned<
     }
 
     fun updateGroup(group: Group) {
-        updateGroupIndex(group)
+        group.parent?.updateChildGroup(group)
+        val groupId = group.nodeId
+        if (groupIndexes.containsKey(groupId)) {
+            groupIndexes[groupId] = group
+        }
     }
 
     fun removeGroupFrom(groupToRemove: Group, parent: Group?) {
@@ -331,15 +328,19 @@ abstract class DatabaseVersioned<
         removeGroupIndex(groupToRemove)
     }
 
-    fun addEntryTo(newEntry: Entry, parent: Group?) {
+    open fun addEntryTo(newEntry: Entry, parent: Group?) {
         // Add entry to parent
         parent?.addChildEntry(newEntry)
         newEntry.parent = parent
         addEntryIndex(newEntry)
     }
 
-    fun updateEntry(entry: Entry) {
+    open fun updateEntry(entry: Entry) {
-        updateEntryIndex(entry)
+        entry.parent?.updateChildEntry(entry)
+        val entryId = entry.nodeId
+        if (entryIndexes.containsKey(entryId)) {
+            entryIndexes[entryId] = entry
+        }
     }
 
     open fun removeEntryFrom(entryToRemove: Entry, parent: Group?) {

app/src/main/java/com/kunzisoft/keepass/database/element/entry/AutoType.kt

@@ -21,8 +21,6 @@ package com.kunzisoft.keepass.database.element.entry
 
 import android.os.Parcel
 import android.os.Parcelable
-
-import com.kunzisoft.keepass.utils.ParcelableUtil
 import com.kunzisoft.keepass.utils.UnsignedInt
 
 class AutoType : Parcelable {
@@ -30,7 +28,7 @@ class AutoType : Parcelable {
     var enabled = true
     var obfuscationOptions = OBF_OPT_NONE
     var defaultSequence = ""
-    private var windowSeqPairs = LinkedHashMap<String, String>()
+    private var windowSeqPairs = ArrayList<AutoTypeItem>()
 
     constructor()
 
@@ -38,16 +36,15 @@ class AutoType : Parcelable {
         this.enabled = autoType.enabled
         this.obfuscationOptions = autoType.obfuscationOptions
         this.defaultSequence = autoType.defaultSequence
-        for ((key, value) in autoType.windowSeqPairs) {
+        this.windowSeqPairs.clear()
-            this.windowSeqPairs[key] = value
+        this.windowSeqPairs.addAll(autoType.windowSeqPairs)
-        }
     }
 
     constructor(parcel: Parcel) {
         this.enabled = parcel.readByte().toInt() != 0
         this.obfuscationOptions = UnsignedInt(parcel.readInt())
         this.defaultSequence = parcel.readString() ?: defaultSequence
-        this.windowSeqPairs = ParcelableUtil.readStringParcelableMap(parcel)
+        parcel.readTypedList(this.windowSeqPairs, AutoTypeItem.CREATOR)
     }
 
     override fun describeContents(): Int {
@@ -58,15 +55,43 @@ class AutoType : Parcelable {
         dest.writeByte((if (enabled) 1 else 0).toByte())
         dest.writeInt(obfuscationOptions.toKotlinInt())
         dest.writeString(defaultSequence)
-        ParcelableUtil.writeStringParcelableMap(dest, windowSeqPairs)
+        dest.writeTypedList(windowSeqPairs)
     }
 
-    fun put(key: String, value: String) {
+    fun add(key: String, value: String) {
-        windowSeqPairs[key] = value
+        windowSeqPairs.add(AutoTypeItem(key, value))
     }
 
-    fun entrySet(): Set<MutableMap.MutableEntry<String, String>> {
+    fun doForEachAutoTypeItem(action: (key: String, value: String) -> Unit) {
-        return windowSeqPairs.entries
+        windowSeqPairs.forEach {
+            action.invoke(it.key, it.value)
+        }
+    }
+
+    private data class AutoTypeItem(var key: String, var value: String): Parcelable {
+        constructor(parcel: Parcel) : this(
+                parcel.readString() ?: "",
+                parcel.readString() ?: "") {
+        }
+
+        override fun writeToParcel(parcel: Parcel, flags: Int) {
+            parcel.writeString(key)
+            parcel.writeString(value)
+        }
+
+        override fun describeContents(): Int {
+            return 0
+        }
+
+        companion object CREATOR : Parcelable.Creator<AutoTypeItem> {
+            override fun createFromParcel(parcel: Parcel): AutoTypeItem {
+                return AutoTypeItem(parcel)
+            }
+
+            override fun newArray(size: Int): Array<AutoTypeItem?> {
+                return arrayOfNulls(size)
+            }
+        }
     }
 
     companion object {

app/src/main/java/com/kunzisoft/keepass/database/element/entry/EntryKDB.kt

@@ -90,7 +90,8 @@ class EntryKDB : EntryVersioned<Int, UUID, GroupKDB, EntryKDB>, NodeKDBInterface
         url = parcel.readString() ?: url
         notes = parcel.readString() ?: notes
         binaryDescription = parcel.readString() ?: binaryDescription
-        binaryDataId = parcel.readInt()
+        val rawBinaryDataId = parcel.readInt()
+        binaryDataId = if (rawBinaryDataId == -1) null else rawBinaryDataId
     }
 
     override fun readParentParcelable(parcel: Parcel): GroupKDB? {
@@ -109,9 +110,7 @@ class EntryKDB : EntryVersioned<Int, UUID, GroupKDB, EntryKDB>, NodeKDBInterface
         dest.writeString(url)
         dest.writeString(notes)
         dest.writeString(binaryDescription)
-        binaryDataId?.let {
+        dest.writeInt(binaryDataId ?: -1)
-            dest.writeInt(it)
-        }
     }
 
     fun updateWith(source: EntryKDB) {

app/src/main/java/com/kunzisoft/keepass/database/element/entry/EntryKDBX.kt

@@ -20,12 +20,12 @@
 package com.kunzisoft.keepass.database.element.entry
 
 import android.os.Parcel
+import android.os.ParcelUuid
 import android.os.Parcelable
-import com.kunzisoft.keepass.utils.UnsignedLong
+import com.kunzisoft.keepass.database.element.*
-import com.kunzisoft.keepass.database.element.Attachment
-import com.kunzisoft.keepass.database.element.DateInstant
 import com.kunzisoft.keepass.database.element.binary.AttachmentPool
 import com.kunzisoft.keepass.database.element.database.DatabaseKDBX
+import com.kunzisoft.keepass.database.element.database.DatabaseVersioned
 import com.kunzisoft.keepass.database.element.group.GroupKDBX
 import com.kunzisoft.keepass.database.element.node.NodeId
 import com.kunzisoft.keepass.database.element.node.NodeIdUUID
@@ -33,6 +33,7 @@ import com.kunzisoft.keepass.database.element.node.NodeKDBXInterface
 import com.kunzisoft.keepass.database.element.node.Type
 import com.kunzisoft.keepass.database.element.security.ProtectedString
 import com.kunzisoft.keepass.utils.ParcelableUtil
+import com.kunzisoft.keepass.utils.UnsignedLong
 import java.util.*
 import kotlin.collections.ArrayList
 import kotlin.collections.LinkedHashMap
@@ -45,42 +46,20 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
     @Transient
     private var mDecodeRef = false
 
-    var customData = LinkedHashMap<String, String>()
+    override var usageCount = UnsignedLong(0)
-    var fields = LinkedHashMap<String, ProtectedString>()
+    override var locationChanged = DateInstant()
+    override var customData = CustomData()
+    private var fields = LinkedHashMap<String, ProtectedString>()
     var binaries = LinkedHashMap<String, Int>() // Map<Label, PoolId>
     var foregroundColor = ""
     var backgroundColor = ""
     var overrideURL = ""
+    override var tags = Tags()
+    override var previousParentGroup: UUID = DatabaseVersioned.UUID_ZERO
+    var qualityCheck = true
     var autoType = AutoType()
     var history = ArrayList<EntryKDBX>()
     var additional = ""
-    var tags = ""
-
-    fun getSize(attachmentPool: AttachmentPool): Long {
-        var size = FIXED_LENGTH_SIZE
-
-        for (entry in fields.entries) {
-            size += entry.key.length.toLong()
-            size += entry.value.length().toLong()
-        }
-
-        size += getAttachmentsSize(attachmentPool)
-
-        size += autoType.defaultSequence.length.toLong()
-        for ((key, value) in autoType.entrySet()) {
-            size += key.length.toLong()
-            size += value.length.toLong()
-        }
-
-        for (entry in history) {
-            size += entry.getSize(attachmentPool)
-        }
-
-        size += overrideURL.length.toLong()
-        size += tags.length.toLong()
-
-        return size
-    }
 
     override var expires: Boolean = false
 
@@ -89,34 +68,42 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
     constructor(parcel: Parcel) : super(parcel) {
         usageCount = UnsignedLong(parcel.readLong())
         locationChanged = parcel.readParcelable(DateInstant::class.java.classLoader) ?: locationChanged
-        customData = ParcelableUtil.readStringParcelableMap(parcel)
+        customData = parcel.readParcelable(CustomData::class.java.classLoader) ?: CustomData()
         fields = ParcelableUtil.readStringParcelableMap(parcel, ProtectedString::class.java)
         binaries = ParcelableUtil.readStringIntMap(parcel)
         foregroundColor = parcel.readString() ?: foregroundColor
         backgroundColor = parcel.readString() ?: backgroundColor
         overrideURL = parcel.readString() ?: overrideURL
+        tags = parcel.readParcelable(Tags::class.java.classLoader) ?: tags
+        previousParentGroup = parcel.readParcelable<ParcelUuid>(ParcelUuid::class.java.classLoader)?.uuid ?: DatabaseVersioned.UUID_ZERO
         autoType = parcel.readParcelable(AutoType::class.java.classLoader) ?: autoType
         parcel.readTypedList(history, CREATOR)
-        url = parcel.readString() ?: url
         additional = parcel.readString() ?: additional
-        tags = parcel.readString() ?: tags
+    }
+
+    override fun readParentParcelable(parcel: Parcel): GroupKDBX? {
+        return parcel.readParcelable(GroupKDBX::class.java.classLoader)
+    }
+
+    override fun writeParentParcelable(parent: GroupKDBX?, parcel: Parcel, flags: Int) {
+        parcel.writeParcelable(parent, flags)
     }
 
     override fun writeToParcel(dest: Parcel, flags: Int) {
         super.writeToParcel(dest, flags)
         dest.writeLong(usageCount.toKotlinLong())
         dest.writeParcelable(locationChanged, flags)
-        ParcelableUtil.writeStringParcelableMap(dest, customData)
+        dest.writeParcelable(customData, flags)
         ParcelableUtil.writeStringParcelableMap(dest, flags, fields)
         ParcelableUtil.writeStringIntMap(dest, binaries)
         dest.writeString(foregroundColor)
         dest.writeString(backgroundColor)
         dest.writeString(overrideURL)
+        dest.writeParcelable(tags, flags)
+        dest.writeParcelable(ParcelUuid(previousParentGroup), flags)
         dest.writeParcelable(autoType, flags)
         dest.writeTypedList(history)
-        dest.writeString(url)
         dest.writeString(additional)
-        dest.writeString(tags)
     }
 
     /**
@@ -127,9 +114,7 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
         super.updateWith(source)
         usageCount = source.usageCount
         locationChanged = DateInstant(source.locationChanged)
-        // Add all custom elements in map
+        customData = CustomData(source.customData)
-        customData.clear()
-        customData.putAll(source.customData)
         fields.clear()
         fields.putAll(source.fields)
         binaries.clear()
@@ -137,13 +122,13 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
         foregroundColor = source.foregroundColor
         backgroundColor = source.backgroundColor
         overrideURL = source.overrideURL
+        tags = source.tags
+        previousParentGroup = source.previousParentGroup
         autoType = AutoType(source.autoType)
         history.clear()
         if (copyHistory)
             history.addAll(source.history)
-        url = source.url
         additional = source.additional
-        tags = source.tags
     }
 
     fun startToManageFieldReferences(database: DatabaseKDBX) {
@@ -164,13 +149,8 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
         return NodeIdUUID(nodeId.id)
     }
 
-    override fun readParentParcelable(parcel: Parcel): GroupKDBX? {
+    override val type: Type
-        return parcel.readParcelable(GroupKDBX::class.java.classLoader)
+        get() = Type.ENTRY
-    }
-
-    override fun writeParentParcelable(parent: GroupKDBX?, parcel: Parcel, flags: Int) {
-        parcel.writeParcelable(parent, flags)
-    }
 
     /**
      * Decode a reference key with the FieldReferencesEngine
@@ -178,55 +158,98 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
      * @param key
      * @return
      */
-    private fun decodeRefKey(decodeRef: Boolean, key: String): String {
+    private fun decodeRefKey(decodeRef: Boolean, key: String, recursionLevel: Int): String {
         return fields[key]?.toString()?.let { text ->
             return if (decodeRef) {
-                if (mDatabase == null) text else FieldReferencesEngine().compile(text, this, mDatabase!!)
+                mDatabase?.getFieldReferenceValue(text, recursionLevel) ?: text
             } else text
         } ?: ""
     }
 
+    fun decodeTitleKey(recursionLevel: Int): String {
+        return decodeRefKey(mDecodeRef, STR_TITLE, recursionLevel)
+    }
+
     override var title: String
-        get() = decodeRefKey(mDecodeRef, STR_TITLE)
+        get() = decodeTitleKey(0)
         set(value) {
             val protect = mDatabase != null && mDatabase!!.memoryProtection.protectTitle
             fields[STR_TITLE] = ProtectedString(protect, value)
         }
 
-    override val type: Type
+    fun decodeUsernameKey(recursionLevel: Int): String {
-        get() = Type.ENTRY
+        return decodeRefKey(mDecodeRef, STR_USERNAME, recursionLevel)
+    }
 
     override var username: String
-        get() = decodeRefKey(mDecodeRef, STR_USERNAME)
+        get() = decodeUsernameKey(0)
         set(value) {
             val protect = mDatabase != null && mDatabase!!.memoryProtection.protectUserName
             fields[STR_USERNAME] = ProtectedString(protect, value)
         }
 
+    fun decodePasswordKey(recursionLevel: Int): String {
+        return decodeRefKey(mDecodeRef, STR_PASSWORD, recursionLevel)
+    }
+
     override var password: String
-        get() = decodeRefKey(mDecodeRef, STR_PASSWORD)
+        get() = decodePasswordKey(0)
         set(value) {
             val protect = mDatabase != null && mDatabase!!.memoryProtection.protectPassword
             fields[STR_PASSWORD] = ProtectedString(protect, value)
         }
 
+    fun decodeUrlKey(recursionLevel: Int): String {
+        return decodeRefKey(mDecodeRef, STR_URL, recursionLevel)
+    }
+
     override var url
-        get() = decodeRefKey(mDecodeRef, STR_URL)
+        get() = decodeUrlKey(0)
         set(value) {
             val protect = mDatabase != null && mDatabase!!.memoryProtection.protectUrl
             fields[STR_URL] = ProtectedString(protect, value)
         }
 
+    fun decodeNotesKey(recursionLevel: Int): String {
+        return decodeRefKey(mDecodeRef, STR_NOTES, recursionLevel)
+    }
+
     override var notes: String
-        get() = decodeRefKey(mDecodeRef, STR_NOTES)
+        get() = decodeNotesKey(0)
         set(value) {
             val protect = mDatabase != null && mDatabase!!.memoryProtection.protectNotes
             fields[STR_NOTES] = ProtectedString(protect, value)
         }
 
-    override var usageCount = UnsignedLong(0)
+    fun getCustomFieldValue(label: String): String {
+        return decodeRefKey(mDecodeRef, label, 0)
+    }
 
-    override var locationChanged = DateInstant()
+    fun getSize(attachmentPool: AttachmentPool): Long {
+        var size = FIXED_LENGTH_SIZE
+
+        for (entry in fields.entries) {
+            size += entry.key.length.toLong()
+            size += entry.value.length().toLong()
+        }
+
+        size += getAttachmentsSize(attachmentPool)
+
+        size += autoType.defaultSequence.length.toLong()
+        autoType.doForEachAutoTypeItem { key, value ->
+            size += key.length.toLong()
+            size += value.length.toLong()
+        }
+
+        for (entry in history) {
+            size += entry.getSize(attachmentPool)
+        }
+
+        size += overrideURL.length.toLong()
+        size += tags.toString().length
+
+        return size
+    }
 
     fun afterChangeParent() {
         locationChanged = DateInstant()
@@ -240,25 +263,45 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
                 || key == STR_NOTES)
     }
 
-    var customFields = LinkedHashMap<String, ProtectedString>()
+    fun doForEachDecodedCustomField(action: (field: Field) -> Unit) {
-        get() {
+        val iterator = fields.entries.iterator()
-            field.clear()
+        while (iterator.hasNext()) {
-            for ((key, value) in fields) {
+            val mapEntry = iterator.next()
-                if (!isStandardField(key)) {
+            if (!isStandardField(mapEntry.key)) {
-                    field[key] = ProtectedString(value.isProtected, decodeRefKey(mDecodeRef, key))
+                action.invoke(Field(mapEntry.key,
-                }
+                        ProtectedString(mapEntry.value.isProtected,
+                                decodeRefKey(mDecodeRef, mapEntry.key, 0)
+                        )
+                    )
+                )
             }
-            return field
         }
+    }
+
+    fun getFieldValue(label: String): ProtectedString? {
+        return fields[label]
+    }
+
+    fun getFields(): List<Field> {
+        return fields.map { Field(it.key, it.value) }
+    }
+
+    fun putField(field: Field) {
+        putField(field.name, field.protectedValue)
+    }
+
+    fun putField(label: String, value: ProtectedString) {
+        fields[label] = value
+    }
+
+    fun removeField(name: String) {
+        fields.remove(name)
+    }
 
     fun removeAllFields() {
         fields.clear()
     }
 
-    fun putExtraField(label: String, value: ProtectedString) {
-        fields[label] = value
-    }
-
     /**
      * It's a list because history labels can be defined multiple times
      */
@@ -302,14 +345,6 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
         return size
     }
 
-    override fun putCustomData(key: String, value: String) {
-        customData[key] = value
-    }
-
-    override fun containsCustomData(): Boolean {
-        return customData.isNotEmpty()
-    }
-
     fun addEntryToHistory(entry: EntryKDBX) {
         history.add(entry)
     }
@@ -349,6 +384,8 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
         const val STR_URL = "URL"
         const val STR_NOTES = "Notes"
 
+        private const val FIXED_LENGTH_SIZE: Long = 128 // Approximate fixed length size
+
         fun newCustomNameAllowed(name: String): Boolean {
             return !(name.equals(STR_TITLE, true)
                     || name.equals(STR_USERNAME, true)
@@ -367,7 +404,5 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
                 return arrayOfNulls(size)
             }
         }
-
-        private const val FIXED_LENGTH_SIZE: Long = 128 // Approximate fixed length size
     }
 }

app/src/main/java/com/kunzisoft/keepass/database/element/entry/EntryVersioned.kt

@@ -36,6 +36,10 @@ abstract class EntryVersioned
 
     constructor(parcel: Parcel) : super(parcel)
 
+    override fun writeToParcel(dest: Parcel, flags: Int) {
+        super.writeToParcel(dest, flags)
+    }
+
     override fun nodeIndexInParentForNaturalOrder(): Int {
         if (nodeIndexInParentForNaturalOrder == -1) {
             val numberOfGroups = parent?.getChildGroups()?.size

app/src/main/java/com/kunzisoft/keepass/database/element/entry/FieldReferencesEngine.kt

@@ -19,269 +19,132 @@
  */
 package com.kunzisoft.keepass.database.element.entry
 
+import android.util.Log
 import com.kunzisoft.keepass.database.element.database.DatabaseKDBX
-import com.kunzisoft.keepass.database.element.group.GroupKDBX
+import com.kunzisoft.keepass.database.element.node.NodeIdUUID
-import com.kunzisoft.keepass.database.search.EntryKDBXSearchHandler
+import com.kunzisoft.keepass.utils.UuidUtil
-import com.kunzisoft.keepass.database.search.SearchParameters
+import java.util.concurrent.ConcurrentHashMap
-import java.util.*
 
-class FieldReferencesEngine {
+class FieldReferencesEngine(private val mDatabase: DatabaseKDBX) {
 
-    inner class TargetResult(var entry: EntryKDBX?, var wanted: Char)
+    // Key : <WantedField>@<SearchIn>:<Text>
+    // Value : content
+    private var refsCache = ConcurrentHashMap<String, String?>()
 
-    private inner class SprContextV4 {
+    fun clear() {
-
+        refsCache.clear()
-        var databaseV4: DatabaseKDBX? = null
-        var entry: EntryKDBX
-        var refsCache: MutableMap<String, String> = HashMap()
-
-        internal constructor(db: DatabaseKDBX, entry: EntryKDBX) {
-            this.databaseV4 = db
-            this.entry = entry
-        }
-
-        internal constructor(source: SprContextV4) {
-            this.databaseV4 = source.databaseV4
-            this.entry = source.entry
-            this.refsCache = source.refsCache
-        }
     }
 
-    fun compile(text: String, entry: EntryKDBX, database: DatabaseKDBX): String {
+    fun compile(textReference: String, recursionLevel: Int): String {
-        return compileInternal(text, SprContextV4(database, entry), 0)
-    }
-
-    private fun compileInternal(text: String?, sprContextV4: SprContextV4?, recursionLevel: Int): String {
-        if (text == null) {
-            return ""
-        }
-        if (sprContextV4 == null) {
-            return ""
-        }
         return if (recursionLevel >= MAX_RECURSION_DEPTH) {
             ""
-        } else fillRefPlaceholders(text, sprContextV4, recursionLevel)
+        } else
-
+            fillReferencesPlaceholders(textReference, recursionLevel)
     }
 
-    private fun fillRefPlaceholders(textReference: String, contextV4: SprContextV4, recursionLevel: Int): String {
+    /**
-        var text = textReference
+     * Manage placeholders with {REF:<WantedField>@<SearchIn>:<Text>}
-
+     */
-        if (contextV4.databaseV4 == null) {
+    private fun fillReferencesPlaceholders(textReference: String, recursionLevel: Int): String {
-            return text
+        var textValue = textReference
-        }
 
         var offset = 0
-        for (i in 0..19) {
+        var numberInlineRef = 0
-            text = fillRefsUsingCache(text, contextV4)
+        while (textValue.contains(STR_REF_START)
+                && numberInlineRef <= MAX_INLINE_REF) {
+            numberInlineRef++
 
-            val start = text.indexOf(STR_REF_START, offset, true)
+            try {
-            if (start < 0) {
+                textValue = fillReferencesUsingCache(textValue)
-                break
-            }
-            val end = text.indexOf(STR_REF_END, start + 1, true)
-            if (end <= start) {
-                break
-            }
 
-            val fullRef = text.substring(start, end + 1)
+                val start = textValue.indexOf(STR_REF_START, offset, true)
-            val result = findRefTarget(fullRef, contextV4)
+                if (start < 0) {
-
+                    break
-            if (result != null) {
+                }
-                val found = result.entry
+                val end = textValue.indexOf(STR_REF_END, offset, true)
-                found?.stopToManageFieldReferences()
+                if (end <= start) {
-                val wanted = result.wanted
+                    break
-
-                var data: String? = null
-                when (wanted) {
-                    'T' -> data = found?.title
-                    'U' -> data = found?.username
-                    'A' -> data = found?.url
-                    'P' -> data = found?.password
-                    'N' -> data = found?.notes
-                    'I' -> data = found?.nodeId.toString()
                 }
 
-                if (data != null && found != null) {
+                val reference = textValue.substring(start + STR_REF_START.length, end)
-                    val subCtx = SprContextV4(contextV4)
+                val fullReference = "$STR_REF_START$reference$STR_REF_END"
-                    subCtx.entry = found
 
-                    val innerContent = compileInternal(data, subCtx, recursionLevel + 1)
+                if (!refsCache.containsKey(fullReference)) {
-                    addRefsToCache(fullRef, innerContent, contextV4)
+                    val newRecursionLevel = recursionLevel + 1
-                    text = fillRefsUsingCache(text, contextV4)
+                    val result = findReferenceTarget(reference, newRecursionLevel)
-                } else {
+                    val entryFound = result.entry
-                    offset = start + 1
+                    val data: String? = when (result.wanted) {
+                        'T' -> entryFound?.decodeTitleKey(newRecursionLevel)
+                        'U' -> entryFound?.decodeUsernameKey(newRecursionLevel)
+                        'A' -> entryFound?.decodeUrlKey(newRecursionLevel)
+                        'P' -> entryFound?.decodePasswordKey(newRecursionLevel)
+                        'N' -> entryFound?.decodeNotesKey(newRecursionLevel)
+                        'I' -> UuidUtil.toHexString(entryFound?.nodeId?.id)
+                        else -> null
+                    }
+                    refsCache[fullReference] = data
+                    textValue = fillReferencesUsingCache(textValue)
                 }
+
+                offset = end
+            } catch (e: Exception) {
+                Log.e(TAG, "Error when fill placeholders by reference", e)
             }
-
         }
-
+        return textValue
-        return text
     }
 
-    private fun findRefTarget(fullReference: String?, contextV4: SprContextV4): TargetResult? {
+    private fun fillReferencesUsingCache(text: String): String {
-        var fullRef: String? = fullReference ?: return null
-
-        fullRef = fullRef!!.toUpperCase(Locale.ENGLISH)
-        if (!fullRef.startsWith(STR_REF_START) || !fullRef.endsWith(STR_REF_END)) {
-            return null
-        }
-
-        val ref = fullRef.substring(STR_REF_START.length, fullRef.length - STR_REF_END.length)
-        if (ref.length <= 4) {
-            return null
-        }
-        if (ref[1] != '@') {
-            return null
-        }
-        if (ref[3] != ':') {
-            return null
-        }
-
-        val scan = Character.toUpperCase(ref[2])
-        val wanted = Character.toUpperCase(ref[0])
-
-        val searchParameters = SearchParameters()
-        searchParameters.setupNone()
-
-        searchParameters.searchString = ref.substring(4)
-        when (scan) {
-            'T' -> searchParameters.searchInTitles = true
-            'U' -> searchParameters.searchInUserNames = true
-            'A' -> searchParameters.searchInUrls = true
-            'P' -> searchParameters.searchInPasswords = true
-            'N' -> searchParameters.searchInNotes = true
-            'I' -> searchParameters.searchInUUIDs = true
-            'O' -> searchParameters.searchInOther = true
-            else -> return null
-        }
-
-        val list = ArrayList<EntryKDBX>()
-        searchEntries(contextV4.databaseV4?.rootGroup, searchParameters, list)
-
-        return if (list.size > 0) {
-            TargetResult(list[0], wanted)
-        } else null
-
-    }
-
-    private fun addRefsToCache(ref: String?, value: String?, ctx: SprContextV4?) {
-        if (ref == null) {
-            return
-        }
-        if (value == null) {
-            return
-        }
-        if (ctx == null) {
-            return
-        }
-
-        if (!ctx.refsCache.containsKey(ref)) {
-            ctx.refsCache[ref] = value
-        }
-    }
-
-    private fun fillRefsUsingCache(text: String, sprContextV4: SprContextV4): String {
         var newText = text
-        for ((key, value) in sprContextV4.refsCache) {
+        refsCache.keys.forEach { key ->
-            newText = text.replace(key, value, true)
+            // Replace by key if value not found
+            newText = newText.replace(key, refsCache[key] ?: key, true)
         }
         return newText
     }
 
-    private fun searchEntries(root: GroupKDBX?, searchParameters: SearchParameters?, listStorage: MutableList<EntryKDBX>?) {
+    private fun findReferenceTarget(reference: String, recursionLevel: Int): TargetResult {
-        if (searchParameters == null) {
+
-            return
+        val targetResult = TargetResult(null, 'J')
+
+        if (reference.length <= 4) {
+            return targetResult
         }
-        if (listStorage == null) {
+        if (reference[1] != '@') {
-            return
+            return targetResult
+        }
+        if (reference[3] != ':') {
+            return targetResult
         }
 
-        val terms = splitStringTerms(searchParameters.searchString)
+        targetResult.wanted = Character.toUpperCase(reference[0])
-        if (terms.size <= 1 || searchParameters.regularExpression) {
+        val searchIn = Character.toUpperCase(reference[2])
-            root!!.doForEachChild(EntryKDBXSearchHandler(searchParameters, listStorage), null)
+        val searchQuery = reference.substring(4)
-            return
+        targetResult.entry = when (searchIn) {
-        }
+            'T' -> mDatabase.getEntryByTitle(searchQuery, recursionLevel)
-
+            'U' -> mDatabase.getEntryByUsername(searchQuery, recursionLevel)
-        // Search longest term first
+            'A' -> mDatabase.getEntryByURL(searchQuery, recursionLevel)
-        val stringLengthComparator = Comparator<String> { lhs, rhs -> lhs.length - rhs.length }
+            'P' -> mDatabase.getEntryByPassword(searchQuery, recursionLevel)
-        Collections.sort(terms, stringLengthComparator)
+            'N' -> mDatabase.getEntryByNotes(searchQuery, recursionLevel)
-
+            'I' -> {
-        val fullSearch = searchParameters.searchString
+                UuidUtil.fromHexString(searchQuery)?.let { uuid ->
-        var childEntries: List<EntryKDBX>? = root!!.getChildEntries()
+                    mDatabase.getEntryById(NodeIdUUID(uuid))
-        for (i in terms.indices) {
-            val pgNew = ArrayList<EntryKDBX>()
-
-            searchParameters.searchString = terms[i]
-
-            var negate = false
-            if (searchParameters.searchString.startsWith("-")) {
-                searchParameters.searchString = searchParameters.searchString.substring(1)
-                negate = searchParameters.searchString.isNotEmpty()
-            }
-
-            if (!root.doForEachChild(EntryKDBXSearchHandler(searchParameters, pgNew), null)) {
-                childEntries = null
-                break
-            }
-
-            childEntries = if (negate) {
-                val complement = ArrayList<EntryKDBX>()
-                for (entry in childEntries!!) {
-                    if (!pgNew.contains(entry)) {
-                        complement.add(entry)
-                    }
-                }
-                complement
-            } else {
-                pgNew
-            }
-        }
-
-        if (childEntries != null) {
-            listStorage.addAll(childEntries)
-        }
-        searchParameters.searchString = fullSearch
-    }
-
-    /**
-     * Create a list of String by split text when ' ', '\t', '\r' or '\n' is found
-     */
-    private fun splitStringTerms(text: String?): List<String> {
-        val list = ArrayList<String>()
-        if (text == null) {
-            return list
-        }
-
-        val stringBuilder = StringBuilder()
-        var quoted = false
-
-        for (element in text) {
-
-            if ((element == ' ' || element == '\t' || element == '\r' || element == '\n') && !quoted) {
-
-                val len = stringBuilder.length
-                when {
-                    len > 0 -> {
-                        list.add(stringBuilder.toString())
-                        stringBuilder.delete(0, len)
-                    }
-                    element == '\"' -> quoted = !quoted
-                    else -> stringBuilder.append(element)
                 }
             }
+            'O' -> mDatabase.getEntryByCustomData(searchQuery)
+            else -> null
         }
-
+        return targetResult
-        if (stringBuilder.isNotEmpty()) {
-            list.add(stringBuilder.toString())
-        }
-
-        return list
     }
 
+    private data class TargetResult(var entry: EntryKDBX?, var wanted: Char)
+
     companion object {
-        private const val MAX_RECURSION_DEPTH = 12
+        private const val MAX_RECURSION_DEPTH = 10
+        private const val MAX_INLINE_REF = 10
         private const val STR_REF_START = "{REF:"
         private const val STR_REF_END = "}"
+
+        private val TAG = FieldReferencesEngine::class.java.name
     }
 }

app/src/main/java/com/kunzisoft/keepass/database/element/group/GroupKDB.kt

@@ -31,14 +31,12 @@ import java.util.*
 
 class GroupKDB : GroupVersioned<Int, UUID, GroupKDB, EntryKDB>, NodeKDBInterface {
 
-    var level = 0 // short
     // Used by KeePass internally, don't use
     var groupFlags = 0
 
     constructor() : super()
 
     constructor(parcel: Parcel) : super(parcel) {
-        level = parcel.readInt()
         groupFlags = parcel.readInt()
     }
 
@@ -52,13 +50,11 @@ class GroupKDB : GroupVersioned<Int, UUID, GroupKDB, EntryKDB>, NodeKDBInterface
 
     override fun writeToParcel(dest: Parcel, flags: Int) {
         super.writeToParcel(dest, flags)
-        dest.writeInt(level)
         dest.writeInt(groupFlags)
     }
 
     fun updateWith(source: GroupKDB) {
         super.updateWith(source)
-        level = source.level
         groupFlags = source.groupFlags
     }
 
@@ -73,15 +69,12 @@ class GroupKDB : GroupVersioned<Int, UUID, GroupKDB, EntryKDB>, NodeKDBInterface
         return NodeIdInt(nodeId.id)
     }
 
-    override fun afterAssignNewParent() {
-        if (parent != null)
-            level = parent!!.level + 1
-    }
-
     fun setGroupId(groupId: Int) {
         this.nodeId = NodeIdInt(groupId)
     }
 
+    override fun afterAssignNewParent() {}
+
     companion object {
 
         @JvmField

app/src/main/java/com/kunzisoft/keepass/database/element/group/GroupKDBX.kt

@@ -20,8 +20,11 @@
 package com.kunzisoft.keepass.database.element.group
 
 import android.os.Parcel
+import android.os.ParcelUuid
 import android.os.Parcelable
+import com.kunzisoft.keepass.database.element.CustomData
 import com.kunzisoft.keepass.database.element.DateInstant
+import com.kunzisoft.keepass.database.element.Tags
 import com.kunzisoft.keepass.database.element.database.DatabaseVersioned
 import com.kunzisoft.keepass.database.element.entry.EntryKDBX
 import com.kunzisoft.keepass.database.element.node.NodeId
@@ -33,14 +36,17 @@ import java.util.*
 
 class GroupKDBX : GroupVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInterface {
 
-    private val customData = HashMap<String, String>()
+    override var usageCount = UnsignedLong(0)
+    override var locationChanged = DateInstant()
+    override var customData = CustomData()
     var notes = ""
-
     var isExpanded = true
     var defaultAutoTypeSequence = ""
     var enableAutoType: Boolean? = null
     var enableSearching: Boolean? = null
     var lastTopVisibleEntry: UUID = DatabaseVersioned.UUID_ZERO
+    override var tags = Tags()
+    override var previousParentGroup: UUID = DatabaseVersioned.UUID_ZERO
 
     override var expires: Boolean = false
 
@@ -60,7 +66,7 @@ class GroupKDBX : GroupVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
     constructor(parcel: Parcel) : super(parcel) {
         usageCount = UnsignedLong(parcel.readLong())
         locationChanged = parcel.readParcelable(DateInstant::class.java.classLoader) ?: locationChanged
-        // TODO customData = ParcelableUtil.readStringParcelableMap(parcel);
+        customData = parcel.readParcelable(CustomData::class.java.classLoader) ?: CustomData()
         notes = parcel.readString() ?: notes
         isExpanded = parcel.readByte().toInt() != 0
         defaultAutoTypeSequence = parcel.readString() ?: defaultAutoTypeSequence
@@ -69,6 +75,8 @@ class GroupKDBX : GroupVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
         val isSearchingEnabled = parcel.readInt()
         enableSearching = if (isSearchingEnabled == -1) null else isSearchingEnabled == 1
         lastTopVisibleEntry = parcel.readSerializable() as UUID
+        tags = parcel.readParcelable(Tags::class.java.classLoader) ?: tags
+        previousParentGroup = parcel.readParcelable<ParcelUuid>(ParcelUuid::class.java.classLoader)?.uuid ?: DatabaseVersioned.UUID_ZERO
     }
 
     override fun readParentParcelable(parcel: Parcel): GroupKDBX? {
@@ -83,13 +91,15 @@ class GroupKDBX : GroupVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
         super.writeToParcel(dest, flags)
         dest.writeLong(usageCount.toKotlinLong())
         dest.writeParcelable(locationChanged, flags)
-        // TODO ParcelableUtil.writeStringParcelableMap(dest, customData);
+        dest.writeParcelable(customData, flags)
         dest.writeString(notes)
         dest.writeByte((if (isExpanded) 1 else 0).toByte())
         dest.writeString(defaultAutoTypeSequence)
         dest.writeInt(if (enableAutoType == null) -1 else if (enableAutoType!!) 1 else 0)
         dest.writeInt(if (enableSearching == null) -1 else if (enableSearching!!) 1 else 0)
         dest.writeSerializable(lastTopVisibleEntry)
+        dest.writeParcelable(tags, flags)
+        dest.writeParcelable(ParcelUuid(previousParentGroup), flags)
     }
 
     fun updateWith(source: GroupKDBX) {
@@ -97,34 +107,21 @@ class GroupKDBX : GroupVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
         usageCount = source.usageCount
         locationChanged = DateInstant(source.locationChanged)
         // Add all custom elements in map
-        customData.clear()
+        customData = CustomData(source.customData)
-        for ((key, value) in source.customData) {
-            customData[key] = value
-        }
         notes = source.notes
         isExpanded = source.isExpanded
         defaultAutoTypeSequence = source.defaultAutoTypeSequence
         enableAutoType = source.enableAutoType
         enableSearching = source.enableSearching
         lastTopVisibleEntry = source.lastTopVisibleEntry
+        tags = source.tags
+        previousParentGroup = source.previousParentGroup
     }
 
-    override var usageCount = UnsignedLong(0)
-
-    override var locationChanged = DateInstant()
-
     override fun afterAssignNewParent() {
         locationChanged = DateInstant()
     }
 
-    override fun putCustomData(key: String, value: String) {
-        customData[key] = value
-    }
-
-    override fun containsCustomData(): Boolean {
-        return customData.isNotEmpty()
-    }
-
     companion object {
 
         @JvmField

app/src/main/java/com/kunzisoft/keepass/database/element/group/GroupVersioned.kt

@@ -63,6 +63,17 @@ abstract class GroupVersioned
         get() = titleGroup
         set(value) { titleGroup = value }
 
+    /**
+     *  To determine the level from the root group (root group level is -1)
+     */
+    fun getLevel(): Int {
+        var level = -1
+        parent?.let { parent ->
+            level = parent.getLevel() + 1
+        }
+        return level
+    }
+
     override fun getChildGroups(): List<Group> {
         return childGroups
     }
@@ -87,6 +98,24 @@ abstract class GroupVersioned
         this.childEntries.add(entry)
     }
 
+    override fun updateChildGroup(group: Group) {
+        val index = this.childGroups.indexOfFirst { it.nodeId == group.nodeId }
+        if (index >= 0) {
+            val oldGroup = this.childGroups.removeAt(index)
+            group.nodeIndexInParentForNaturalOrder = oldGroup.nodeIndexInParentForNaturalOrder
+            this.childGroups.add(index, group)
+        }
+    }
+
+    override fun updateChildEntry(entry: Entry) {
+        val index = this.childEntries.indexOfFirst { it.nodeId == entry.nodeId }
+        if (index >= 0) {
+            val oldEntry = this.childEntries.removeAt(index)
+            entry.nodeIndexInParentForNaturalOrder = oldEntry.nodeIndexInParentForNaturalOrder
+            this.childEntries.add(index, entry)
+        }
+    }
+
     override fun removeChildGroup(group: Group) {
         this.childGroups.remove(group)
     }
@@ -106,8 +135,4 @@ abstract class GroupVersioned
         else
             nodeIndexInParentForNaturalOrder
     }
-
-    override fun toString(): String {
-        return titleGroup
-    }
 }

app/src/main/java/com/kunzisoft/keepass/database/element/group/GroupVersionedInterface.kt

@@ -32,6 +32,10 @@ interface GroupVersionedInterface<Group: GroupVersionedInterface<Group, Entry>,
 
     fun addChildEntry(entry: Entry)
 
+    fun updateChildGroup(group: Group)
+
+    fun updateChildEntry(entry: Entry)
+
     fun removeChildGroup(group: Group)
 
     fun removeChildEntry(entry: Entry)
@@ -45,23 +49,64 @@ interface GroupVersionedInterface<Group: GroupVersionedInterface<Group, Entry>,
         groupHandler.operate(this as Group)
     }
 
-    fun doForEachChild(entryHandler: NodeHandler<Entry>,
+    fun doForEachChild(entryHandler: NodeHandler<Entry>?,
                        groupHandler: NodeHandler<Group>?,
-                       stopIterationWhenGroupHandlerFails: Boolean = true): Boolean {
+                       stopIterationWhenGroupHandlerOperateFalse: Boolean = true): Boolean {
-        for (entry in this.getChildEntries()) {
+        if (entryHandler != null) {
-            if (!entryHandler.operate(entry))
+            for (entry in this.getChildEntries()) {
-                return false
+                if (!entryHandler.operate(entry))
+                    return false
+            }
         }
         for (group in this.getChildGroups()) {
             var doActionForChild = true
             if (groupHandler != null && !groupHandler.operate(group)) {
                 doActionForChild = false
-                if (stopIterationWhenGroupHandlerFails)
+                if (stopIterationWhenGroupHandlerOperateFalse)
                     return false
             }
             if (doActionForChild)
-                group.doForEachChild(entryHandler, groupHandler)
+                group.doForEachChild(entryHandler, groupHandler, stopIterationWhenGroupHandlerOperateFalse)
         }
         return true
     }
+
+    fun searchChildEntry(criteria: (entry: Entry) -> Boolean): Entry? {
+        return searchChildEntry(this, criteria)
+    }
+
+    private fun searchChildEntry(rootGroup: GroupVersionedInterface<Group, Entry>,
+                                 criteria: (entry: Entry) -> Boolean): Entry? {
+        for (childEntry in rootGroup.getChildEntries()) {
+            if (criteria.invoke(childEntry)) {
+                return childEntry
+            }
+        }
+        for (group in rootGroup.getChildGroups()) {
+            val searchChildEntry = searchChildEntry(group, criteria)
+            if (searchChildEntry != null) {
+                return searchChildEntry
+            }
+        }
+        return null
+    }
+
+    fun searchChildGroup(criteria: (group: Group) -> Boolean): Group? {
+        return searchChildGroup(this, criteria)
+    }
+
+    private fun searchChildGroup(rootGroup: GroupVersionedInterface<Group, Entry>,
+                                 criteria: (group: Group) -> Boolean): Group? {
+        for (childGroup in rootGroup.getChildGroups()) {
+            if (criteria.invoke(childGroup)) {
+                return childGroup
+            } else {
+                val subGroup = searchChildGroup(childGroup, criteria)
+                if (subGroup != null) {
+                    return subGroup
+                }
+            }
+        }
+        return null
+    }
 }

app/src/main/java/com/kunzisoft/keepass/database/element/icon/IconImage.kt

@@ -22,7 +22,7 @@ package com.kunzisoft.keepass.database.element.icon
 import android.os.Parcel
 import android.os.Parcelable
 
-class IconImage() : IconImageDraw(), Parcelable {
+class IconImage() : IconImageDraw() {
 
     var standard: IconImageStandard = IconImageStandard()
     var custom: IconImageCustom = IconImageCustom()

app/src/main/java/com/kunzisoft/keepass/database/element/icon/IconImageCustom.kt

@@ -20,34 +20,46 @@
 package com.kunzisoft.keepass.database.element.icon
 
 import android.os.Parcel
+import android.os.ParcelUuid
 import android.os.Parcelable
+import com.kunzisoft.keepass.database.element.DateInstant
 import com.kunzisoft.keepass.database.element.database.DatabaseVersioned
 import java.util.*
 
-class IconImageCustom : Parcelable, IconImageDraw {
+class IconImageCustom : IconImageDraw {
 
-    var uuid: UUID
+    val uuid: UUID
+    var name: String = ""
+    var lastModificationTime: DateInstant? = null
 
-    constructor() {
+    constructor(name: String = "", lastModificationTime: DateInstant? = null) {
-        uuid = DatabaseVersioned.UUID_ZERO
+        this.uuid = DatabaseVersioned.UUID_ZERO
+        this.name = name
+        this.lastModificationTime = lastModificationTime
     }
 
-    constructor(uuid: UUID) {
+    constructor(uuid: UUID, name: String = "", lastModificationTime: DateInstant? = null) {
         this.uuid = uuid
+        this.name = name
+        this.lastModificationTime = lastModificationTime
     }
 
     constructor(parcel: Parcel) {
-        uuid = parcel.readSerializable() as UUID
+        uuid = parcel.readParcelable<ParcelUuid>(ParcelUuid::class.java.classLoader)?.uuid ?: DatabaseVersioned.UUID_ZERO
+        name = parcel.readString() ?: name
+        lastModificationTime = parcel.readParcelable(DateInstant::class.java.classLoader)
+    }
+
+    override fun writeToParcel(dest: Parcel, flags: Int) {
+        dest.writeParcelable(ParcelUuid(uuid), flags)
+        dest.writeString(name)
+        dest.writeParcelable(lastModificationTime, flags)
     }
 
     override fun describeContents(): Int {
         return 0
     }
 
-    override fun writeToParcel(dest: Parcel, flags: Int) {
-        dest.writeSerializable(uuid)
-    }
-
     override fun hashCode(): Int {
         val prime = 31
         var result = 1

app/src/main/java/com/kunzisoft/keepass/database/element/icon/IconImageDraw.kt

@@ -19,7 +19,9 @@
  */
 package com.kunzisoft.keepass.database.element.icon
 
-abstract class IconImageDraw {
+import android.os.Parcelable
+
+abstract class IconImageDraw : Parcelable {
 
     var selected = false
     /**