Merge branch 'release/2.8.4'

Currently translated at 100.0% (452 of 452 strings)

Translation: KeePass DX/Strings
Translate-URL: https://hosted.weblate.org/projects/keepass-dx/strings/ja/

CHANGELOG

@@ -1,3 +1,26 @@
+KeePassDX(2.8.4)
+ * Fix incomplete attachment deletion #684
+ * Fix opening database v1 without backup folder #692
+ * Fix ANR during first entry education #685
+ * Entry edition as fragment and manual views to fix focus #686
+ * Fix opening database with corrupted attachment #691
+ * Manage empty keyfile #679
+
+KeePassDX(2.8.3)
+ * Upload attachments
+ * Visibility button for each hidden field
+ * Fix read header file
+ * Fix deletion in KDB database
+ * Fix minor issues
+
+KeePassDX(2.8.2)
+ * Fix themes / new UI
+ * Fix multiples notifications
+ * Fix entry in Magikeyboard memory
+ * Fix biometric view visibility
+ * Fix fields order
+ * Upgrade code with ViewModel and LiveData
+
 KeePassDX(2.8.1)
  * Capture exceptions in coroutines
 

app/build.gradle

@@ -11,8 +11,8 @@ android {
         applicationId "com.kunzisoft.keepass"
         minSdkVersion 14
         targetSdkVersion 29
-        versionCode = 37
-        versionName = "2.8.1"
+        versionCode = 40
+        versionName = "2.8.4"
         multiDexEnabled true
 
         testApplicationId = "com.kunzisoft.keepass.tests"
@@ -50,7 +50,7 @@ android {
             buildConfigField "String", "BUILD_VERSION", "\"libre\""
             buildConfigField "boolean", "FULL_VERSION", "true"
             buildConfigField "boolean", "CLOSED_STORE", "false"
-            buildConfigField "String[]", "STYLES_DISABLED", "{\"KeepassDXStyle_Dark\",\"KeepassDXStyle_Red\",\"KeepassDXStyle_Purple\"}"
+            buildConfigField "String[]", "STYLES_DISABLED", "{\"KeepassDXStyle_Red\",\"KeepassDXStyle_Purple\"}"
             buildConfigField "String[]", "ICON_PACKS_DISABLED", "{}"
         }
         pro {
@@ -69,7 +69,7 @@ android {
             buildConfigField "String", "BUILD_VERSION", "\"free\""
             buildConfigField "boolean", "FULL_VERSION", "false"
             buildConfigField "boolean", "CLOSED_STORE", "true"
-            buildConfigField "String[]", "STYLES_DISABLED", "{}"
+            buildConfigField "String[]", "STYLES_DISABLED", "{\"KeepassDXStyle_Blue\",\"KeepassDXStyle_Red\",\"KeepassDXStyle_Purple\"}"
             buildConfigField "String[]", "ICON_PACKS_DISABLED", "{}"
             manifestPlaceholders = [ googleAndroidBackupAPIKey:"AEdPqrEAAAAIbRfbV8fHLItXo8OcHwrO0sSNblqhPwkc0DPTqg" ]
         }
@@ -95,16 +95,15 @@ def room_version = "2.2.5"
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'androidx.preference:preference:1.1.1'
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     implementation 'androidx.documentfile:documentfile:1.0.1'
     implementation 'androidx.biometric:biometric:1.0.1'
-    implementation 'androidx.core:core-ktx:1.2.0'
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.3'
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.3'
-    // TODO #538 implementation "androidx.lifecycle:lifecycle-runtime-ktx:2.2.0"
+    // Lifecycle - LiveData - ViewModel - Coroutines
+    implementation "androidx.core:core-ktx:1.3.1"
+    implementation 'androidx.fragment:fragment-ktx:1.2.5'
     // To upgrade with style
     implementation 'com.google.android.material:material:1.0.0'
     // Database

app/src/main/AndroidManifest.xml

@@ -124,8 +124,7 @@
             android:configChanges="keyboardHidden" />
         <activity
             android:name="com.kunzisoft.keepass.activities.EntryEditActivity"
-            android:configChanges="keyboardHidden"
-            android:windowSoftInputMode="adjustResize" />
+            android:windowSoftInputMode="adjustPan|stateAlwaysHidden" />
         <!-- About and Settings -->
         <activity
             android:name="com.kunzisoft.keepass.activities.AboutActivity"
@@ -161,10 +160,6 @@
             </intent-filter>
         </activity>
 
-        <service
-            android:name="com.kunzisoft.keepass.notifications.DatabaseOpenNotificationService"
-            android:enabled="true"
-            android:exported="false" />
         <service
             android:name="com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService"
             android:enabled="true"

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

@@ -39,14 +39,15 @@ import com.google.android.material.appbar.CollapsingToolbarLayout
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.helpers.ReadOnlyHelper
 import com.kunzisoft.keepass.activities.lock.LockingActivity
+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.node.NodeId
 import com.kunzisoft.keepass.education.EntryActivityEducation
 import com.kunzisoft.keepass.icons.assignDatabaseIcon
 import com.kunzisoft.keepass.magikeyboard.MagikIME
-import com.kunzisoft.keepass.model.AttachmentState
-import com.kunzisoft.keepass.model.EntryAttachment
+import com.kunzisoft.keepass.model.EntryAttachmentState
+import com.kunzisoft.keepass.model.StreamDirection
 import com.kunzisoft.keepass.notifications.AttachmentFileNotificationService
 import com.kunzisoft.keepass.notifications.ClipboardEntryNotificationService
 import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_DELETE_ENTRY_HISTORY
@@ -86,7 +87,7 @@ class EntryActivity : LockingActivity() {
     private var mShowPassword: Boolean = false
 
     private var mAttachmentFileBinderManager: AttachmentFileBinderManager? = null
-    private var mAttachmentsToDownload: HashMap<Int, EntryAttachment> = HashMap()
+    private var mAttachmentsToDownload: HashMap<Int, Attachment> = HashMap()
 
     private var clipboardHelper: ClipboardHelper? = null
     private var mFirstLaunchOfActivity: Boolean = false
@@ -140,7 +141,7 @@ class EntryActivity : LockingActivity() {
         // Init attachment service binder manager
         mAttachmentFileBinderManager = AttachmentFileBinderManager(this)
 
-        mProgressDialogThread?.onActionFinish = { actionTask, result ->
+        mProgressDatabaseTaskProvider?.onActionFinish = { actionTask, result ->
             when (actionTask) {
                 ACTION_DATABASE_RESTORE_ENTRY_HISTORY,
                 ACTION_DATABASE_DELETE_ENTRY_HISTORY -> {
@@ -212,8 +213,8 @@ class EntryActivity : LockingActivity() {
         mAttachmentFileBinderManager?.apply {
             registerProgressTask()
             onActionTaskListener = object : AttachmentFileNotificationService.ActionTaskListener {
-                override fun onAttachmentProgress(fileUri: Uri, attachment: EntryAttachment) {
-                    entryContentsView?.updateAttachmentDownloadProgress(attachment)
+                override fun onAttachmentAction(fileUri: Uri, entryAttachmentState: EntryAttachmentState) {
+                    entryContentsView?.putAttachment(entryAttachmentState)
                 }
             }
         }
@@ -240,14 +241,13 @@ class EntryActivity : LockingActivity() {
         toolbar?.title = entryTitle
 
         // Assign basic fields
-        entryContentsView?.assignUserName(entry.username)
-        entryContentsView?.assignUserNameCopyListener(View.OnClickListener {
+        entryContentsView?.assignUserName(entry.username) {
             database.startManageEntry(entry)
             clipboardHelper?.timeoutCopyToClipboard(entry.username,
                     getString(R.string.copy_field,
                             getString(R.string.entry_user_name)))
             database.stopManageEntry(entry)
-        })
+        }
 
         val isFirstTimeAskAllowCopyPasswordAndProtectedFields =
                 PreferencesUtil.isFirstTimeAskAllowCopyPasswordAndProtectedFields(this)
@@ -274,23 +274,25 @@ class EntryActivity : LockingActivity() {
                     }
         }
 
-        entryContentsView?.assignPassword(entry.password, allowCopyPasswordAndProtectedFields)
-        if (allowCopyPasswordAndProtectedFields) {
-            entryContentsView?.assignPasswordCopyListener(View.OnClickListener {
+        val onPasswordCopyClickListener: View.OnClickListener? = if (allowCopyPasswordAndProtectedFields) {
+            View.OnClickListener {
                 database.startManageEntry(entry)
                 clipboardHelper?.timeoutCopyToClipboard(entry.password,
                         getString(R.string.copy_field,
                                 getString(R.string.entry_password)))
                 database.stopManageEntry(entry)
-            })
+            }
         } else {
             // If dialog not already shown
             if (isFirstTimeAskAllowCopyPasswordAndProtectedFields) {
-                entryContentsView?.assignPasswordCopyListener(showWarningClipboardDialogOnClickListener)
+                showWarningClipboardDialogOnClickListener
             } else {
-                entryContentsView?.assignPasswordCopyListener(null)
+                null
             }
         }
+        entryContentsView?.assignPassword(entry.password,
+                allowCopyPasswordAndProtectedFields,
+                onPasswordCopyClickListener)
 
         //Assign OTP field
         entryContentsView?.assignOtp(entry.getOtpElement(), entryProgress,
@@ -304,24 +306,22 @@ class EntryActivity : LockingActivity() {
         })
 
         entryContentsView?.assignURL(entry.url)
-        entryContentsView?.assignComment(entry.notes)
+        entryContentsView?.assignNotes(entry.notes)
 
         // Assign custom fields
-        if (entry.allowCustomFields()) {
+        if (mDatabase?.allowEntryCustomFields() == true) {
             entryContentsView?.clearExtraFields()
-
-            for (element in entry.customFields.entries) {
-                val label = element.key
-                val value = element.value
-
+            entry.getExtraFields().forEach { field ->
+                val label = field.name
+                val value = field.protectedValue
                 val allowCopyProtectedField = !value.isProtected || allowCopyPasswordAndProtectedFields
                 if (allowCopyProtectedField) {
-                    entryContentsView?.addExtraField(label, value, allowCopyProtectedField, View.OnClickListener {
+                    entryContentsView?.addExtraField(label, value, allowCopyProtectedField) {
                         clipboardHelper?.timeoutCopyToClipboard(
                                 value.toString(),
                                 getString(R.string.copy_field, label)
                         )
-                    })
+                    }
                 } else {
                     // If dialog not already shown
                     if (isFirstTimeAskAllowCopyPasswordAndProtectedFields) {
@@ -332,28 +332,16 @@ class EntryActivity : LockingActivity() {
                 }
             }
         }
-        entryContentsView?.setHiddenPasswordStyle(!mShowPassword)
+        entryContentsView?.setHiddenProtectedValue(!mShowPassword)
 
         // Manage attachments
-        val attachments = entry.getAttachments()
-        val showAttachmentsView = attachments.isNotEmpty()
-        entryContentsView?.showAttachments(showAttachmentsView)
-        if (showAttachmentsView) {
-            entryContentsView?.assignAttachments(attachments)
-            entryContentsView?.onAttachmentClick { attachmentItem, _ ->
-                when (attachmentItem.downloadState) {
-                    AttachmentState.NULL, AttachmentState.ERROR, AttachmentState.COMPLETE -> {
+        mDatabase?.binaryPool?.let { binaryPool ->
+            entryContentsView?.assignAttachments(entry.getAttachments(binaryPool).toSet(), StreamDirection.DOWNLOAD) { attachmentItem ->
                 createDocument(this, attachmentItem.name)?.let { requestCode ->
                     mAttachmentsToDownload[requestCode] = attachmentItem
                 }
             }
-                    else -> {
-                        // TODO Stop download
         }
-                }
-            }
-        }
-        entryContentsView?.refreshAttachments()
 
         // Assign dates
         entryContentsView?.assignCreationDate(entry.creationTime)
@@ -373,16 +361,9 @@ class EntryActivity : LockingActivity() {
             collapsingToolbarLayout?.contentScrim = ColorDrawable(taColorAccent.getColor(0, Color.BLACK))
             taColorAccent.recycle()
         }
-        val entryHistory = entry.getHistory()
-        val showHistoryView = entryHistory.isNotEmpty()
-        entryContentsView?.showHistory(showHistoryView)
-        if (showHistoryView) {
-            entryContentsView?.assignHistory(entryHistory)
-            entryContentsView?.onHistoryClick { historyItem, position ->
+        entryContentsView?.assignHistory(entry.getHistory()) { historyItem, position ->
             launch(this, historyItem, mReadOnly, position)
         }
-        }
-        entryContentsView?.refreshHistory()
 
         // Assign special data
         entryContentsView?.assignUUID(entry.nodeId.id)
@@ -411,16 +392,6 @@ class EntryActivity : LockingActivity() {
         }
     }
 
-    private fun changeShowPasswordIcon(togglePassword: MenuItem?) {
-        if (mShowPassword) {
-            togglePassword?.setTitle(R.string.menu_hide_password)
-            togglePassword?.setIcon(R.drawable.ic_visibility_off_white_24dp)
-        } else {
-            togglePassword?.setTitle(R.string.menu_showpass)
-            togglePassword?.setIcon(R.drawable.ic_visibility_white_24dp)
-        }
-    }
-
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         super.onCreateOptionsMenu(menu)
 
@@ -436,15 +407,6 @@ class EntryActivity : LockingActivity() {
             menu.findItem(R.id.menu_edit)?.isVisible = false
         }
 
-        val togglePassword = menu.findItem(R.id.menu_toggle_pass)
-        entryContentsView?.let {
-            if (it.isPasswordPresent || it.atLeastOneFieldProtectedPresent()) {
-                changeShowPasswordIcon(togglePassword)
-            } else {
-                togglePassword?.isVisible = false
-            }
-        }
-
         val gotoUrl = menu.findItem(R.id.menu_goto_url)
         gotoUrl?.apply {
             // In API >= 11 onCreateOptionsMenu may be called before onCreate completes
@@ -467,28 +429,31 @@ class EntryActivity : LockingActivity() {
 
     private fun performedNextEducation(entryActivityEducation: EntryActivityEducation,
                                        menu: Menu) {
-        val entryCopyEducationPerformed = entryContentsView?.isUserNamePresent == true
+        val entryFieldCopyView = entryContentsView?.firstEntryFieldCopyView()
+        val entryCopyEducationPerformed = entryFieldCopyView != null
                 && entryActivityEducation.checkAndPerformedEntryCopyEducation(
-                        findViewById(R.id.entry_user_name_action_image),
+                        entryFieldCopyView,
                         {
-                            clipboardHelper?.timeoutCopyToClipboard(mEntry!!.username,
-                                    getString(R.string.copy_field,
-                                            getString(R.string.entry_user_name)))
+                            val appNameString = getString(R.string.app_name)
+                            clipboardHelper?.timeoutCopyToClipboard(appNameString,
+                                    getString(R.string.copy_field, appNameString))
                         },
                         {
                             performedNextEducation(entryActivityEducation, menu)
                         })
 
         if (!entryCopyEducationPerformed) {
+            val menuEditView = toolbar?.findViewById<View>(R.id.menu_edit)
             // entryEditEducationPerformed
-            toolbar?.findViewById<View>(R.id.menu_edit) != null && entryActivityEducation.checkAndPerformedEntryEditEducation(
-                            toolbar!!.findViewById(R.id.menu_edit),
+            menuEditView != null && entryActivityEducation.checkAndPerformedEntryEditEducation(
+                    menuEditView,
                     {
                         onOptionsItemSelected(menu.findItem(R.id.menu_edit))
                     },
                     {
                         performedNextEducation(entryActivityEducation, menu)
-                            })
+                    }
+            )
         }
     }
 
@@ -498,12 +463,6 @@ class EntryActivity : LockingActivity() {
                 MenuUtil.onContributionItemSelected(this)
                 return true
             }
-            R.id.menu_toggle_pass -> {
-                mShowPassword = !mShowPassword
-                changeShowPasswordIcon(item)
-                entryContentsView?.setHiddenPasswordStyle(!mShowPassword)
-                return true
-            }
             R.id.menu_edit -> {
                 mEntry?.let {
                     EntryEditActivity.launch(this@EntryActivity, it)
@@ -523,7 +482,7 @@ class EntryActivity : LockingActivity() {
             }
             R.id.menu_restore_entry_history -> {
                 mEntryLastVersion?.let { mainEntry ->
-                    mProgressDialogThread?.startDatabaseRestoreEntryHistory(
+                    mProgressDatabaseTaskProvider?.startDatabaseRestoreEntryHistory(
                             mainEntry,
                             mEntryHistoryPosition,
                             !mReadOnly && mAutoSaveEnable)
@@ -531,14 +490,14 @@ class EntryActivity : LockingActivity() {
             }
             R.id.menu_delete_entry_history -> {
                 mEntryLastVersion?.let { mainEntry ->
-                    mProgressDialogThread?.startDatabaseDeleteEntryHistory(
+                    mProgressDatabaseTaskProvider?.startDatabaseDeleteEntryHistory(
                             mainEntry,
                             mEntryHistoryPosition,
                             !mReadOnly && mAutoSaveEnable)
                 }
             }
             R.id.menu_save_database -> {
-                mProgressDialogThread?.startDatabaseSave(!mReadOnly)
+                mProgressDatabaseTaskProvider?.startDatabaseSave(!mReadOnly)
             }
             android.R.id.home -> finish() // close this activity and return to preview activity (if there is any)
         }

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

@@ -22,6 +22,8 @@ import android.app.Activity
 import android.app.DatePickerDialog
 import android.app.TimePickerDialog
 import android.content.Intent
+import android.net.Uri
+import android.os.Build
 import android.os.Bundle
 import android.os.Handler
 import android.util.Log
@@ -31,59 +33,74 @@ import android.view.View
 import android.widget.DatePicker
 import android.widget.TimePicker
 import androidx.appcompat.app.AlertDialog
-import androidx.appcompat.widget.ActionMenuView
 import androidx.appcompat.widget.Toolbar
 import androidx.coordinatorlayout.widget.CoordinatorLayout
+import androidx.core.view.isVisible
 import androidx.core.widget.NestedScrollView
+import com.google.android.material.snackbar.Snackbar
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.dialogs.*
+import com.kunzisoft.keepass.activities.dialogs.FileTooBigDialogFragment.Companion.MAX_WARNING_BINARY_FILE
+import com.kunzisoft.keepass.activities.helpers.SelectFileHelper
 import com.kunzisoft.keepass.activities.lock.LockingActivity
-import com.kunzisoft.keepass.database.element.Database
-import com.kunzisoft.keepass.database.element.DateInstant
-import com.kunzisoft.keepass.database.element.Entry
-import com.kunzisoft.keepass.database.element.Group
+import com.kunzisoft.keepass.database.element.*
 import com.kunzisoft.keepass.database.element.icon.IconImage
 import com.kunzisoft.keepass.database.element.icon.IconImageStandard
+import com.kunzisoft.keepass.database.element.node.Node
 import com.kunzisoft.keepass.database.element.node.NodeId
 import com.kunzisoft.keepass.education.EntryEditActivityEducation
+import com.kunzisoft.keepass.model.*
+import com.kunzisoft.keepass.notifications.AttachmentFileNotificationService
 import com.kunzisoft.keepass.notifications.ClipboardEntryNotificationService
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService
 import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_CREATE_ENTRY_TASK
 import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_ENTRY_TASK
 import com.kunzisoft.keepass.notifications.KeyboardEntryNotificationService
 import com.kunzisoft.keepass.otp.OtpElement
 import com.kunzisoft.keepass.otp.OtpEntryFields
 import com.kunzisoft.keepass.settings.PreferencesUtil
+import com.kunzisoft.keepass.tasks.AttachmentFileBinderManager
 import com.kunzisoft.keepass.timeout.TimeoutHelper
 import com.kunzisoft.keepass.utils.MenuUtil
-import com.kunzisoft.keepass.view.EntryEditContentsView
+import com.kunzisoft.keepass.utils.UriUtil
+import com.kunzisoft.keepass.view.asError
 import com.kunzisoft.keepass.view.showActionError
+import com.kunzisoft.keepass.view.updateLockPaddingLeft
 import org.joda.time.DateTime
 import java.util.*
+import kotlin.collections.ArrayList
 
 class EntryEditActivity : LockingActivity(),
         IconPickerDialogFragment.IconPickerListener,
+        EntryCustomFieldDialogFragment.EntryCustomFieldListener,
         GeneratePasswordDialogFragment.GeneratePasswordListener,
         SetOTPDialogFragment.CreateOtpListener,
         DatePickerDialog.OnDateSetListener,
-        TimePickerDialog.OnTimeSetListener {
+        TimePickerDialog.OnTimeSetListener,
+        FileTooBigDialogFragment.ActionChooseListener,
+        ReplaceFileDialogFragment.ActionChooseListener {
 
     private var mDatabase: Database? = null
 
     // Refs of an entry and group in database, are not modifiable
     private var mEntry: Entry? = null
     private var mParent: Group? = null
-    // New or copy of mEntry in the database to be modifiable
-    private var mNewEntry: Entry? = null
     private var mIsNew: Boolean = false
 
     // Views
     private var coordinatorLayout: CoordinatorLayout? = null
     private var scrollView: NestedScrollView? = null
-    private var entryEditContentsView: EntryEditContentsView? = null
-    private var entryEditAddToolBar: ActionMenuView? = null
+    private var entryEditFragment: EntryEditFragment? = null
+    private var entryEditAddToolBar: Toolbar? = null
     private var validateButton: View? = null
     private var lockView: View? = null
 
+    // To manage attachments
+    private var mSelectFileHelper: SelectFileHelper? = null
+    private var mAttachmentFileBinderManager: AttachmentFileBinderManager? = null
+    private var mAllowMultipleAttachments: Boolean = false
+    private var mTempAttachments = ArrayList<Attachment>()
+
     // Education
     private var entryEditActivityEducation: EntryEditActivityEducation? = null
 
@@ -102,19 +119,6 @@ class EntryEditActivity : LockingActivity(),
         scrollView = findViewById(R.id.entry_edit_scroll)
         scrollView?.scrollBarStyle = View.SCROLLBARS_INSIDE_INSET
 
-        entryEditContentsView = findViewById(R.id.entry_edit_contents)
-        entryEditContentsView?.applyFontVisibilityToFields(PreferencesUtil.fieldFontIsInVisibility(this))
-        entryEditContentsView?.onDateClickListener = View.OnClickListener {
-            entryEditContentsView?.expiresDate?.date?.let { expiresDate ->
-                val dateTime = DateTime(expiresDate)
-                val defaultYear = dateTime.year
-                val defaultMonth = dateTime.monthOfYear-1
-                val defaultDay = dateTime.dayOfMonth
-                DatePickerFragment.getInstance(defaultYear, defaultMonth, defaultDay)
-                        .show(supportFragmentManager, "DatePickerFragment")
-            }
-        }
-
         lockView = findViewById(R.id.lock_button)
         lockView?.setOnClickListener {
             lockAndExit()
@@ -129,6 +133,8 @@ class EntryEditActivity : LockingActivity(),
         // Likely the app has been killed exit the activity
         mDatabase = Database.getInstance()
 
+        var tempEntryInfo: EntryInfo? = null
+
         // Entry is retrieve, it's an entry to update
         intent.getParcelableExtra<NodeId<UUID>>(KEY_ENTRY)?.let {
             mIsNew = false
@@ -144,89 +150,103 @@ class EntryEditActivity : LockingActivity(),
                     entry.parent = mParent
                 }
             }
-
-            // Create the new entry from the current one
-            if (savedInstanceState == null
-                    || !savedInstanceState.containsKey(KEY_NEW_ENTRY)) {
-                mEntry?.let { entry ->
-                    // Create a copy to modify
-                    mNewEntry = Entry(entry).also { newEntry ->
-                        // WARNING Remove the parent to keep memory with parcelable
-                        newEntry.removeParent()
-                    }
-                }
-            }
+            tempEntryInfo = mEntry?.getEntryInfo(mDatabase, true)
         }
 
         // Parent is retrieve, it's a new entry to create
         intent.getParcelableExtra<NodeId<*>>(KEY_PARENT)?.let {
             mIsNew = true
-            // Create an empty new entry
-            if (savedInstanceState == null
-                    || !savedInstanceState.containsKey(KEY_NEW_ENTRY)) {
-                mNewEntry = mDatabase?.createEntry()
-            }
             mParent = mDatabase?.getGroupById(it)
             // Add the default icon from parent if not a folder
             val parentIcon = mParent?.icon
+            tempEntryInfo = mDatabase?.createEntry()?.getEntryInfo(mDatabase, true)
+            // Set default icon
             if (parentIcon != null
                     && parentIcon.iconId != IconImage.UNKNOWN_ID
                     && parentIcon.iconId != IconImageStandard.FOLDER) {
-                temporarilySaveAndShowSelectedIcon(parentIcon)
-            } else {
-                mDatabase?.drawFactory?.let { iconFactory ->
-                    entryEditContentsView?.setDefaultIcon(iconFactory)
+                tempEntryInfo?.icon = parentIcon
             }
+            // Set default username
+            tempEntryInfo?.username = mDatabase?.defaultUsername ?: ""
+        }
+
+        // Build fragment to manage entry modification
+        entryEditFragment = supportFragmentManager.findFragmentByTag(ENTRY_EDIT_FRAGMENT_TAG) as? EntryEditFragment?
+        if (entryEditFragment == null) {
+            entryEditFragment = EntryEditFragment.getInstance(tempEntryInfo)
+        }
+        supportFragmentManager.beginTransaction()
+                .replace(R.id.entry_edit_contents, entryEditFragment!!, ENTRY_EDIT_FRAGMENT_TAG)
+                .commit()
+        entryEditFragment?.apply {
+            drawFactory = mDatabase?.drawFactory
+            setOnDateClickListener = View.OnClickListener {
+                expiryTime.date.let { expiresDate ->
+                    val dateTime = DateTime(expiresDate)
+                    val defaultYear = dateTime.year
+                    val defaultMonth = dateTime.monthOfYear-1
+                    val defaultDay = dateTime.dayOfMonth
+                    DatePickerFragment.getInstance(defaultYear, defaultMonth, defaultDay)
+                            .show(supportFragmentManager, "DatePickerFragment")
+                }
+            }
+            setOnPasswordGeneratorClickListener = View.OnClickListener {
+                openPasswordGenerator()
+            }
+            // Add listener to the icon
+            setOnIconViewClickListener = View.OnClickListener {
+                IconPickerDialogFragment.launch(this@EntryEditActivity)
+            }
+            setOnRemoveAttachment = { attachment ->
+                mAttachmentFileBinderManager?.removeBinaryAttachment(attachment)
+                removeAttachment(EntryAttachmentState(attachment, StreamDirection.DOWNLOAD))
+            }
+            setOnEditCustomField = { field ->
+                editCustomField(field)
             }
         }
 
-        // Retrieve the new entry after an orientation change
-        if (savedInstanceState != null
-                && savedInstanceState.containsKey(KEY_NEW_ENTRY)) {
-            mNewEntry = savedInstanceState.getParcelable(KEY_NEW_ENTRY)
+        // Retrieve temp attachments in case of deletion
+        if (savedInstanceState?.containsKey(TEMP_ATTACHMENTS) == true) {
+            mTempAttachments = savedInstanceState.getParcelableArrayList(TEMP_ATTACHMENTS) ?: mTempAttachments
         }
 
-        // Close the activity if entry or parent can't be retrieve
-        if (mNewEntry == null || mParent == null) {
-            finish()
-            return
-        }
-
-        populateViewsWithEntry(mNewEntry!!)
-
         // Assign title
         title = if (mIsNew) getString(R.string.add_entry) else getString(R.string.edit_entry)
 
-        // Add listener to the icon
-        entryEditContentsView?.setOnIconViewClickListener { IconPickerDialogFragment.launch(this@EntryEditActivity) }
-
         // Bottom Bar
         entryEditAddToolBar = findViewById(R.id.entry_edit_bottom_bar)
         entryEditAddToolBar?.apply {
             menuInflater.inflate(R.menu.entry_edit, menu)
 
             menu.findItem(R.id.menu_add_field).apply {
-                val allowCustomField = mNewEntry?.allowCustomFields() == true
+                val allowCustomField = mDatabase?.allowEntryCustomFields() == true
                 isEnabled = allowCustomField
                 isVisible = allowCustomField
             }
 
+            // Attachment not compatible below KitKat
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
+                menu.findItem(R.id.menu_add_attachment).isVisible = false
+            }
+
             menu.findItem(R.id.menu_add_otp).apply {
                 val allowOTP = mDatabase?.allowOTP == true
                 isEnabled = allowOTP
-                isVisible = allowOTP
+                // OTP not compatible below KitKat
+                isVisible = allowOTP && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT
             }
 
             setOnMenuItemClickListener { item ->
                 when (item.itemId) {
-                    R.id.menu_generate_password -> {
-                        openPasswordGenerator()
-                        true
-                    }
                     R.id.menu_add_field -> {
                         addNewCustomField()
                         true
                     }
+                    R.id.menu_add_attachment -> {
+                        addNewAttachment(item)
+                        true
+                    }
                     R.id.menu_add_otp -> {
                         setupOTP()
                         true
@@ -236,6 +256,10 @@ class EntryEditActivity : LockingActivity(),
             }
         }
 
+        // To retrieve attachment
+        mSelectFileHelper = SelectFileHelper(this)
+        mAttachmentFileBinderManager = AttachmentFileBinderManager(this)
+
         // Save button
         validateButton = findViewById(R.id.entry_edit_validate)
         validateButton?.setOnClickListener { saveEntry() }
@@ -244,14 +268,28 @@ class EntryEditActivity : LockingActivity(),
         entryEditActivityEducation = EntryEditActivityEducation(this)
 
         // Create progress dialog
-        mProgressDialogThread?.onActionFinish = { actionTask, result ->
+        mProgressDatabaseTaskProvider?.onActionFinish = { actionTask, result ->
             when (actionTask) {
                 ACTION_DATABASE_CREATE_ENTRY_TASK,
                 ACTION_DATABASE_UPDATE_ENTRY_TASK -> {
-                    if (result.isSuccess)
+                    try {
+                        if (result.isSuccess) {
+                            var newNodes: List<Node> = ArrayList()
+                            result.data?.getBundle(DatabaseTaskNotificationService.NEW_NODES_KEY)?.let { newNodesBundle ->
+                                mDatabase?.let { database ->
+                                    newNodes = DatabaseTaskNotificationService.getListNodesFromBundle(database, newNodesBundle)
+                                }
+                            }
+                            if (newNodes.size == 1) {
+                                mEntry = newNodes[0] as Entry?
                                 finish()
                             }
                         }
+                    } catch (e: Exception) {
+                        Log.e(TAG, "Unable to retrieve entry after database action", e)
+                    }
+                }
+            }
             coordinatorLayout?.showActionError(result)
         }
     }
@@ -264,67 +302,58 @@ class EntryEditActivity : LockingActivity(),
         } else {
             View.GONE
         }
+
+        // Padding if lock button visible
+        entryEditAddToolBar?.updateLockPaddingLeft()
+
+        mAllowMultipleAttachments = mDatabase?.allowMultipleAttachments == true
+        mAttachmentFileBinderManager?.apply {
+            registerProgressTask()
+            onActionTaskListener = object : AttachmentFileNotificationService.ActionTaskListener {
+                override fun onAttachmentAction(fileUri: Uri, entryAttachmentState: EntryAttachmentState) {
+                    when (entryAttachmentState.downloadState) {
+                        AttachmentState.START -> {
+                            entryEditFragment?.apply {
+                                // When only one attachment is allowed
+                                if (!mAllowMultipleAttachments) {
+                                    clearAttachments()
+                                }
+                                putAttachment(entryAttachmentState)
+                                // Scroll to the attachment position
+                                getAttachmentViewPosition(entryAttachmentState) {
+                                    scrollView?.smoothScrollTo(0, it.toInt())
+                                }
+                            }
+                        }
+                        AttachmentState.IN_PROGRESS -> {
+                            entryEditFragment?.putAttachment(entryAttachmentState)
+                        }
+                        AttachmentState.COMPLETE -> {
+                            entryEditFragment?.apply {
+                                putAttachment(entryAttachmentState)
+                                // Scroll to the attachment position
+                                getAttachmentViewPosition(entryAttachmentState) {
+                                    scrollView?.smoothScrollTo(0, it.toInt())
+                                }
+                            }
+                        }
+                        AttachmentState.ERROR -> {
+                            entryEditFragment?.removeAttachment(entryAttachmentState)
+                            coordinatorLayout?.let {
+                                Snackbar.make(it, R.string.error_file_not_create, Snackbar.LENGTH_LONG).asError().show()
+                            }
+                        }
+                        else -> {}
                     }
-
-    private fun populateViewsWithEntry(newEntry: Entry) {
-        // Don't start the field reference manager, we want to see the raw ref
-        mDatabase?.stopManageEntry(newEntry)
-
-        // Set info in temp parameters
-        temporarilySaveAndShowSelectedIcon(newEntry.icon)
-
-        // Set info in view
-        entryEditContentsView?.apply {
-            title = newEntry.title
-            username = if (mIsNew && newEntry.username.isEmpty())
-                            mDatabase?.defaultUsername ?: ""
-                       else
-                            newEntry.username
-            url = newEntry.url
-            password = newEntry.password
-            expires = newEntry.expires
-            if (expires)
-                expiresDate = newEntry.expiryTime
-            notes = newEntry.notes
-            for (entry in newEntry.customFields.entries) {
-                post {
-                    putCustomField(entry.key, entry.value)
                 }
             }
         }
     }
 
-    private fun populateEntryWithViews(newEntry: Entry) {
+    override fun onPause() {
+        mAttachmentFileBinderManager?.unregisterProgressTask()
 
-        mDatabase?.startManageEntry(newEntry)
-
-        newEntry.apply {
-            // Build info from view
-            entryEditContentsView?.let { entryView ->
-                removeAllFields()
-                title = entryView.title
-                username = entryView.username
-                url = entryView.url
-                password = entryView.password
-                expires = entryView.expires
-                if (entryView.expires) {
-                    expiryTime = entryView.expiresDate
-                }
-                notes = entryView. notes
-                entryView.customFields.forEach { customField ->
-                    putExtraField(customField.name, customField.protectedValue)
-                }
-            }
-        }
-
-        mDatabase?.stopManageEntry(newEntry)
-    }
-
-    private fun temporarilySaveAndShowSelectedIcon(icon: IconImage) {
-        mNewEntry?.icon = icon
-        mDatabase?.drawFactory?.let { iconDrawFactory ->
-            entryEditContentsView?.setIcon(iconDrawFactory, icon)
-        }
+        super.onPause()
     }
 
     /**
@@ -335,16 +364,98 @@ class EntryEditActivity : LockingActivity(),
     }
 
     /**
-     * Add a new customized field view and scroll to bottom
+     * Add a new customized field
      */
     private fun addNewCustomField() {
-        entryEditContentsView?.addEmptyCustomField()
+        EntryCustomFieldDialogFragment.getInstance().show(supportFragmentManager, "customFieldDialog")
     }
 
+    private fun editCustomField(field: Field) {
+        EntryCustomFieldDialogFragment.getInstance(field).show(supportFragmentManager, "customFieldDialog")
+    }
+
+    override fun onNewCustomFieldApproved(newField: Field) {
+        entryEditFragment?.apply {
+            putExtraField(newField)
+        }
+    }
+
+    override fun onEditCustomFieldApproved(oldField: Field, newField: Field) {
+        entryEditFragment?.replaceExtraField(oldField, newField)
+    }
+
+    override fun onDeleteCustomFieldApproved(oldField: Field) {
+        entryEditFragment?.removeExtraField(oldField)
+    }
+
+    /**
+     * Add a new attachment
+     */
+    private fun addNewAttachment(item: MenuItem) {
+        mSelectFileHelper?.selectFileOnClickViewListener?.onMenuItemClick(item)
+    }
+
+    override fun onValidateUploadFileTooBig(attachmentToUploadUri: Uri?, fileName: String?) {
+        if (attachmentToUploadUri != null && fileName != null) {
+            buildNewAttachment(attachmentToUploadUri, fileName)
+        }
+    }
+
+    override fun onValidateReplaceFile(attachmentToUploadUri: Uri?, attachment: Attachment?) {
+        startUploadAttachment(attachmentToUploadUri, attachment)
+    }
+
+    private fun startUploadAttachment(attachmentToUploadUri: Uri?, attachment: Attachment?) {
+        if (attachmentToUploadUri != null && attachment != null) {
+            // Start uploading in service
+            mAttachmentFileBinderManager?.startUploadAttachment(attachmentToUploadUri, attachment)
+            // Add in temp list
+            mTempAttachments.add(attachment)
+        }
+    }
+
+    private fun buildNewAttachment(attachmentToUploadUri: Uri, fileName: String) {
+        val compression = mDatabase?.compressionForNewEntry() ?: false
+        mDatabase?.buildNewBinary(applicationContext.filesDir, false, compression)?.let { binaryAttachment ->
+            val entryAttachment = Attachment(fileName, binaryAttachment)
+            // Ask to replace the current attachment
+            if ((mDatabase?.allowMultipleAttachments != true && entryEditFragment?.containsAttachment() == true) ||
+                    entryEditFragment?.containsAttachment(EntryAttachmentState(entryAttachment, StreamDirection.UPLOAD)) == true) {
+                ReplaceFileDialogFragment.build(attachmentToUploadUri, entryAttachment)
+                        .show(supportFragmentManager, "replacementFileFragment")
+            } else {
+                startUploadAttachment(attachmentToUploadUri, entryAttachment)
+            }
+        }
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+
+        mSelectFileHelper?.onActivityResultCallback(requestCode, resultCode, data) { uri ->
+            uri?.let { attachmentToUploadUri ->
+                // TODO Async to get the name
+                UriUtil.getFileData(this, attachmentToUploadUri)?.also { documentFile ->
+                    documentFile.name?.let { fileName ->
+                        if (documentFile.length() > MAX_WARNING_BINARY_FILE) {
+                            FileTooBigDialogFragment.build(attachmentToUploadUri, fileName)
+                                    .show(supportFragmentManager, "fileTooBigFragment")
+                        } else {
+                            buildNewAttachment(attachmentToUploadUri, fileName)
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * Set up OTP (HOTP or TOTP) and add it as extra field
+     */
     private fun setupOTP() {
         // Retrieve the current otpElement if exists
         // and open the dialog to set up the OTP
-        SetOTPDialogFragment.build(mEntry?.getOtpElement()?.otpModel)
+        SetOTPDialogFragment.build(entryEditFragment?.getEntryInfo()?.otpModel)
                 .show(supportFragmentManager, "addOTPDialog")
     }
 
@@ -352,24 +463,35 @@ class EntryEditActivity : LockingActivity(),
      * Saves the new entry or update an existing entry in the database
      */
     private fun saveEntry() {
+        // Get the temp entry
+        entryEditFragment?.getEntryInfo()?.let { newEntryInfo ->
 
-        // Launch a validation and show the error if present
-        if (entryEditContentsView?.isValid() == true) {
-            // Clone the entry
-            mNewEntry?.let { newEntry ->
+            if (mIsNew) {
+                // Create new one
+                mDatabase?.createEntry()
+            } else {
+                // Create a clone
+                Entry(mEntry!!)
+            }?.let { newEntry ->
 
-                // WARNING Add the parent previously deleted
-                newEntry.parent = mEntry?.parent
+                newEntry.setEntryInfo(mDatabase, newEntryInfo)
                 // Build info
                 newEntry.lastAccessTime = DateInstant()
                 newEntry.lastModificationTime = DateInstant()
 
-                populateEntryWithViews(newEntry)
+                // Delete temp attachment if not used
+                mTempAttachments.forEach {
+                    mDatabase?.binaryPool?.let { binaryPool ->
+                        if (!newEntry.getAttachments(binaryPool).contains(it)) {
+                            mDatabase?.removeAttachmentIfNotUsed(it)
+                        }
+                    }
+                }
 
                 // Open a progress dialog and save entry
                 if (mIsNew) {
                     mParent?.let { parent ->
-                        mProgressDialogThread?.startDatabaseCreateEntry(
+                        mProgressDatabaseTaskProvider?.startDatabaseCreateEntry(
                                 newEntry,
                                 parent,
                                 !mReadOnly && mAutoSaveEnable
@@ -377,7 +499,7 @@ class EntryEditActivity : LockingActivity(),
                     }
                 } else {
                     mEntry?.let { oldEntry ->
-                        mProgressDialogThread?.startDatabaseUpdateEntry(
+                        mProgressDatabaseTaskProvider?.startDatabaseUpdateEntry(
                                 oldEntry,
                                 newEntry,
                                 !mReadOnly && mAutoSaveEnable
@@ -397,30 +519,23 @@ class EntryEditActivity : LockingActivity(),
         menu.findItem(R.id.menu_save_database)?.isVisible = false
         MenuUtil.contributionMenuInflater(inflater, menu)
 
-        entryEditActivityEducation?.let {
-            Handler().post { performedNextEducation(it) }
-        }
-
         return true
     }
 
-    private fun performedNextEducation(entryEditActivityEducation: EntryEditActivityEducation) {
-        val passwordGeneratorView: View? = entryEditAddToolBar?.findViewById(R.id.menu_generate_password)
-        val generatePasswordEducationPerformed = passwordGeneratorView != null
-                && entryEditActivityEducation.checkAndPerformedGeneratePasswordEducation(
-                passwordGeneratorView,
-                {
-                    openPasswordGenerator()
-                },
-                {
-                    performedNextEducation(entryEditActivityEducation)
+
+    override fun onPrepareOptionsMenu(menu: Menu?): Boolean {
+        entryEditActivityEducation?.let {
+            Handler().post { performedNextEducation(it) }
         }
-        )
-        if (!generatePasswordEducationPerformed) {
+        return super.onPrepareOptionsMenu(menu)
+    }
+
+    fun performedNextEducation(entryEditActivityEducation: EntryEditActivityEducation) {
+        if (entryEditFragment?.generatePasswordEducationPerformed(entryEditActivityEducation) != true) {
             val addNewFieldView: View? = entryEditAddToolBar?.findViewById(R.id.menu_add_field)
-            val addNewFieldEducationPerformed = mNewEntry != null
-                    && mNewEntry!!.allowCustomFields() && mNewEntry!!.customFields.isEmpty()
-                    && addNewFieldView != null && addNewFieldView.visibility == View.VISIBLE
+            val addNewFieldEducationPerformed = mDatabase?.allowEntryCustomFields() == true
+                    && addNewFieldView != null
+                    && addNewFieldView.isVisible
                     && entryEditActivityEducation.checkAndPerformedEntryNewFieldEducation(
                     addNewFieldView,
                     {
@@ -431,13 +546,29 @@ class EntryEditActivity : LockingActivity(),
                     }
             )
             if (!addNewFieldEducationPerformed) {
+                val attachmentView: View? = entryEditAddToolBar?.findViewById(R.id.menu_add_attachment)
+                val addAttachmentEducationPerformed = attachmentView != null
+                        && attachmentView.isVisible
+                        && entryEditActivityEducation.checkAndPerformedAttachmentEducation(
+                        attachmentView,
+                        {
+                            mSelectFileHelper?.selectFileOnClickViewListener?.onClick(attachmentView)
+                        },
+                        {
+                            performedNextEducation(entryEditActivityEducation)
+                        }
+                )
+                if (!addAttachmentEducationPerformed) {
                     val setupOtpView: View? = entryEditAddToolBar?.findViewById(R.id.menu_add_otp)
-                setupOtpView != null && setupOtpView.visibility == View.VISIBLE
+                    setupOtpView != null
+                            && setupOtpView.isVisible
                             && entryEditActivityEducation.checkAndPerformedSetUpOTPEducation(
                             setupOtpView,
                             {
                                 setupOTP()
-                        })
+                            }
+                    )
+                }
             }
         }
     }
@@ -445,7 +576,7 @@ class EntryEditActivity : LockingActivity(),
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
             R.id.menu_save_database -> {
-                mProgressDialogThread?.startDatabaseSave(!mReadOnly)
+                mProgressDatabaseTaskProvider?.startDatabaseSave(!mReadOnly)
             }
             R.id.menu_contribute -> {
                 MenuUtil.onContributionItemSelected(this)
@@ -460,16 +591,28 @@ class EntryEditActivity : LockingActivity(),
     }
 
     override fun onOtpCreated(otpElement: OtpElement) {
+        var titleOTP: String? = null
+        var usernameOTP: String? = null
+        // Build a temp entry to get title and username (by ref)
+        entryEditFragment?.getEntryInfo()?.let { entryInfo ->
+            val entryTemp = mDatabase?.createEntry()
+            entryTemp?.setEntryInfo(mDatabase, entryInfo)
+            mDatabase?.startManageEntry(entryTemp)
+            titleOTP = entryTemp?.title
+            usernameOTP = entryTemp?.username
+            mDatabase?.stopManageEntry(mEntry)
+        }
         // Update the otp field with otpauth:// url
-        val otpField = OtpEntryFields.buildOtpField(otpElement,
-                mEntry?.title, mEntry?.username)
-        entryEditContentsView?.putCustomField(otpField.name, otpField.protectedValue)
-        mEntry?.putExtraField(otpField.name, otpField.protectedValue)
+        val otpField = OtpEntryFields.buildOtpField(otpElement, titleOTP, usernameOTP)
+        mEntry?.putExtraField(Field(otpField.name, otpField.protectedValue))
+        entryEditFragment?.apply {
+            putExtraField(otpField)
+        }
     }
 
     override fun iconPicked(bundle: Bundle) {
         IconPickerDialogFragment.getIconStandardFromBundle(bundle)?.let { icon ->
-            temporarilySaveAndShowSelectedIcon(icon)
+            entryEditFragment?.icon = icon
         }
     }
 
@@ -477,9 +620,9 @@ class EntryEditActivity : LockingActivity(),
         // To fix android 4.4 issue
         // https://stackoverflow.com/questions/12436073/datepicker-ondatechangedlistener-called-twice
         if (datePicker?.isShown == true) {
-            entryEditContentsView?.expiresDate?.date?.let { expiresDate ->
+            entryEditFragment?.expiryTime?.date?.let { expiresDate ->
                 // Save the date
-                entryEditContentsView?.expiresDate =
+                entryEditFragment?.expiryTime =
                         DateInstant(DateTime(expiresDate)
                                 .withYear(year)
                                 .withMonthOfYear(month + 1)
@@ -496,9 +639,9 @@ class EntryEditActivity : LockingActivity(),
     }
 
     override fun onTimeSet(timePicker: TimePicker?, hours: Int, minutes: Int) {
-        entryEditContentsView?.expiresDate?.date?.let { expiresDate ->
+        entryEditFragment?.expiryTime?.date?.let { expiresDate ->
             // Save the date
-            entryEditContentsView?.expiresDate =
+            entryEditFragment?.expiryTime =
                     DateInstant(DateTime(expiresDate)
                             .withHourOfDay(hours)
                             .withMinuteOfHour(minutes)
@@ -507,17 +650,15 @@ class EntryEditActivity : LockingActivity(),
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
-        mNewEntry?.let {
-            populateEntryWithViews(it)
-            outState.putParcelable(KEY_NEW_ENTRY, it)
-        }
+
+        outState.putParcelableArrayList(TEMP_ATTACHMENTS, mTempAttachments)
 
         super.onSaveInstanceState(outState)
     }
 
     override fun acceptPassword(bundle: Bundle) {
         bundle.getString(GeneratePasswordDialogFragment.KEY_PASSWORD_ID)?.let {
-            entryEditContentsView?.password = it
+            entryEditFragment?.password = it
         }
 
         entryEditActivityEducation?.let {
@@ -541,10 +682,10 @@ class EntryEditActivity : LockingActivity(),
     override fun finish() {
         // Assign entry callback as a result in all case
         try {
-            mNewEntry?.let {
+            mEntry?.let { entry ->
                 val bundle = Bundle()
                 val intentEntry = Intent()
-                bundle.putParcelable(ADD_OR_UPDATE_ENTRY_KEY, mNewEntry)
+                bundle.putParcelable(ADD_OR_UPDATE_ENTRY_KEY, entry)
                 intentEntry.putExtras(bundle)
                 if (mIsNew) {
                     setResult(ADD_ENTRY_RESULT_CODE, intentEntry)
@@ -568,7 +709,7 @@ class EntryEditActivity : LockingActivity(),
         const val KEY_PARENT = "parent"
 
         // SaveInstanceState
-        const val KEY_NEW_ENTRY = "new_entry"
+        const val TEMP_ATTACHMENTS = "TEMP_ATTACHMENTS"
 
         // Keys for callback
         const val ADD_ENTRY_RESULT_CODE = 31
@@ -576,6 +717,8 @@ class EntryEditActivity : LockingActivity(),
         const val ADD_OR_UPDATE_ENTRY_REQUEST_CODE = 7129
         const val ADD_OR_UPDATE_ENTRY_KEY = "ADD_OR_UPDATE_ENTRY_KEY"
 
+        const val ENTRY_EDIT_FRAGMENT_TAG = "ENTRY_EDIT_FRAGMENT_TAG"
+
         /**
          * Launch EntryEditActivity to update an existing entry
          *

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

@@ -0,0 +1,535 @@
+/*
+ * 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
+
+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 android.widget.CompoundButton
+import android.widget.EditText
+import android.widget.ImageView
+import android.widget.TextView
+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.dialogs.GeneratePasswordDialogFragment
+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.DateInstant
+import com.kunzisoft.keepass.database.element.icon.IconImage
+import com.kunzisoft.keepass.education.EntryEditActivityEducation
+import com.kunzisoft.keepass.icons.IconDrawableFactory
+import com.kunzisoft.keepass.icons.assignDatabaseIcon
+import com.kunzisoft.keepass.model.*
+import com.kunzisoft.keepass.otp.OtpEntryFields
+import com.kunzisoft.keepass.settings.PreferencesUtil
+import com.kunzisoft.keepass.view.applyFontVisibility
+import com.kunzisoft.keepass.view.collapse
+import com.kunzisoft.keepass.view.expand
+
+class EntryEditFragment: StylishFragment() {
+
+    private lateinit var entryTitleLayoutView: TextInputLayout
+    private lateinit var entryTitleView: EditText
+    private lateinit var entryIconView: ImageView
+    private lateinit var entryUserNameView: EditText
+    private lateinit var entryUrlView: EditText
+    private lateinit var entryPasswordLayoutView: TextInputLayout
+    private lateinit var entryPasswordView: EditText
+    private lateinit var entryPasswordGeneratorView: View
+    private lateinit var entryExpiresCheckBox: CompoundButton
+    private lateinit var entryExpiresTextView: TextView
+    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 lateinit var attachmentsAdapter: EntryAttachmentsItemsAdapter
+
+    private var fontInVisibility: Boolean = false
+    private var iconColor: Int = 0
+    private var expiresInstant: DateInstant = DateInstant.IN_ONE_MONTH
+
+    var drawFactory: IconDrawableFactory? = null
+    var setOnDateClickListener: View.OnClickListener? = null
+    var setOnPasswordGeneratorClickListener: View.OnClickListener? = null
+    var setOnIconViewClickListener: View.OnClickListener? = 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)
+            .inflate(R.layout.fragment_entry_edit_contents, container, false)
+
+        fontInVisibility = PreferencesUtil.fieldFontIsInVisibility(requireContext())
+
+        entryTitleLayoutView = rootView.findViewById(R.id.entry_edit_container_title)
+        entryTitleView = rootView.findViewById(R.id.entry_edit_title)
+        entryIconView = rootView.findViewById(R.id.entry_edit_icon_button)
+        entryIconView.setOnClickListener {
+            setOnIconViewClickListener?.onClick(it)
+        }
+
+        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)
+        }
+        entryExpiresCheckBox = rootView.findViewById(R.id.entry_edit_expires_checkbox)
+        entryExpiresTextView = rootView.findViewById(R.id.entry_edit_expires_text)
+        entryExpiresTextView.setOnClickListener {
+            if (entryExpiresCheckBox.isChecked)
+                setOnDateClickListener?.onClick(it)
+        }
+
+        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())
+        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
+        }
+
+        entryExpiresCheckBox.setOnCheckedChangeListener { _, _ ->
+            assignExpiresDateText()
+        }
+
+        // Retrieve the textColor to tint the icon
+        val taIconColor = contextThemed?.theme?.obtainStyledAttributes(intArrayOf(android.R.attr.textColor))
+        iconColor = taIconColor?.getColor(0, Color.WHITE) ?: Color.WHITE
+        taIconColor?.recycle()
+
+        // Retrieve the new entry after an orientation change
+        if (arguments?.containsKey(KEY_TEMP_ENTRY_INFO) == true)
+            mEntryInfo = arguments?.getParcelable(KEY_TEMP_ENTRY_INFO) ?: mEntryInfo
+        else if (savedInstanceState?.containsKey(KEY_TEMP_ENTRY_INFO) == true) {
+            mEntryInfo = savedInstanceState.getParcelable(KEY_TEMP_ENTRY_INFO) ?: mEntryInfo
+        }
+
+        if (savedInstanceState?.containsKey(KEY_LAST_FOCUSED_FIELD) == true) {
+            mLastFocusedEditField = savedInstanceState.getParcelable(KEY_LAST_FOCUSED_FIELD) ?: mLastFocusedEditField
+        }
+
+        populateViewsWithEntry()
+
+        return rootView
+    }
+
+    override fun onDetach() {
+        super.onDetach()
+
+        drawFactory = null
+        setOnDateClickListener = null
+        setOnPasswordGeneratorClickListener = null
+        setOnIconViewClickListener = null
+        setOnRemoveAttachment = null
+        setOnEditCustomField = null
+    }
+
+    fun getEntryInfo(): EntryInfo? {
+        populateEntryWithViews()
+        return mEntryInfo
+    }
+
+    fun generatePasswordEducationPerformed(entryEditActivityEducation: EntryEditActivityEducation): Boolean {
+        return entryEditActivityEducation.checkAndPerformedGeneratePasswordEducation(
+                entryPasswordGeneratorView,
+                {
+                    GeneratePasswordDialogFragment().show(parentFragmentManager, "PasswordGeneratorFragment")
+                },
+                {
+                    try {
+                        (activity as? EntryEditActivity?)?.performedNextEducation(entryEditActivityEducation)
+                    } catch (ignore: Exception) {}
+                }
+        )
+    }
+
+    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?.let { drawFactory ->
+                entryIconView.assignDatabaseIcon(drawFactory, 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()
+            }
+        }
+
+    private fun assignExpiresDateText() {
+        entryExpiresTextView.text = if (entryExpiresCheckBox.isChecked) {
+            entryExpiresTextView.setOnClickListener(setOnDateClickListener)
+            expiresInstant.getDateTimeString(resources)
+        } else {
+            entryExpiresTextView.setOnClickListener(null)
+            resources.getString(R.string.never)
+        }
+        if (fontInVisibility)
+            entryExpiresTextView.applyFontVisibility()
+    }
+
+    var expires: Boolean
+        get() {
+            return entryExpiresCheckBox.isChecked
+        }
+        set(value) {
+            if (!value) {
+                expiresInstant = DateInstant.IN_ONE_MONTH
+            }
+            entryExpiresCheckBox.isChecked = value
+            assignExpiresDateText()
+        }
+
+    var expiryTime: DateInstant
+        get() {
+            return if (expires)
+                expiresInstant
+            else
+                DateInstant.NEVER_EXPIRE
+        }
+        set(value) {
+            if (expires)
+                expiresInstant = value
+            assignExpiresDateText()
+        }
+
+    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?.isPasswordVisibilityToggleEnabled = extraField.protectedValue.isProtected
+        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())
+            if (fontInVisibility)
+                applyFontVisibility()
+        }
+        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
+    }
+
+    /**
+     * Remove all children and add new views for each field
+     */
+    fun assignExtraFields(fields: List<Field>,
+                          onEditButtonClickListener: ((item: Field)->Unit)?) {
+        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 ->
+            mExtraViewToRequestFocus?.apply {
+                requestFocus()
+                setSelection(focusField.cursorSelectionStart,
+                                focusField.cursorSelectionEnd)
+            }
+        }
+        mLastFocusedEditField = null
+        mOnEditButtonClickListener = onEditButtonClickListener
+    }
+
+    /**
+     * Update an extra field or create a new one if doesn't exists
+     */
+    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()
+        }
+    }
+
+    fun replaceExtraField(oldExtraField: Field, newExtraField: Field) {
+        extraFieldsContainerView.visibility = View.VISIBLE
+        val index = mExtraFieldsList.indexOf(oldExtraField)
+        mExtraFieldsList.removeAt(index)
+        mExtraFieldsList.add(index, newExtraField)
+        extraFieldsListView.removeViewAt(index)
+        extraFieldsListView.addView(buildViewFromField(newExtraField), index)
+    }
+
+    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)
+                }
+            }
+        }
+    }
+
+    /* -------------
+     * Attachments
+     * -------------
+     */
+
+    fun getAttachments(): List<Attachment> {
+        return attachmentsAdapter.itemsList.map { it.attachment }
+    }
+
+    fun assignAttachments(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.onDeleteButtonClickListener = { item ->
+            onDeleteItem.invoke(item.attachment)
+        }
+    }
+
+    fun containsAttachment(): Boolean {
+        return !attachmentsAdapter.isEmpty()
+    }
+
+    fun containsAttachment(attachment: EntryAttachmentState): Boolean {
+        return attachmentsAdapter.contains(attachment)
+    }
+
+    fun putAttachment(attachment: EntryAttachmentState) {
+        attachmentsContainerView.visibility = View.VISIBLE
+        attachmentsAdapter.putItem(attachment)
+    }
+
+    fun removeAttachment(attachment: EntryAttachmentState) {
+        attachmentsAdapter.removeItem(attachment)
+    }
+
+    fun clearAttachments() {
+        attachmentsAdapter.clear()
+    }
+
+    fun getAttachmentViewPosition(attachment: EntryAttachmentState, position: (Float) -> Unit) {
+        attachmentsListView.postDelayed({
+            position.invoke(attachmentsContainerView.y
+                    + attachmentsListView.y
+                    + (attachmentsListView.getChildAt(attachmentsAdapter.indexOf(attachment))?.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)
+    }
+
+    companion object {
+        const val KEY_TEMP_ENTRY_INFO = "KEY_TEMP_ENTRY_INFO"
+        const val KEY_LAST_FOCUSED_FIELD = "KEY_LAST_FOCUSED_FIELD"
+
+        fun getInstance(entryInfo: EntryInfo?): EntryEditFragment {
+            return EntryEditFragment().apply {
+                arguments = Bundle().apply {
+                    putParcelable(KEY_TEMP_ENTRY_INFO, entryInfo)
+                }
+            }
+        }
+    }
+
+}

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

@@ -32,9 +32,11 @@ import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
+import androidx.activity.viewModels
 import androidx.annotation.RequiresApi
 import androidx.appcompat.widget.Toolbar
 import androidx.coordinatorlayout.widget.CoordinatorLayout
+import androidx.lifecycle.Observer
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import androidx.recyclerview.widget.SimpleItemAnimator
@@ -43,19 +45,22 @@ 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.EntrySelectionHelper.KEY_SEARCH_INFO
-import com.kunzisoft.keepass.activities.helpers.OpenFileHelper
+import com.kunzisoft.keepass.activities.helpers.SelectFileHelper
 import com.kunzisoft.keepass.activities.selection.SpecialModeActivity
 import com.kunzisoft.keepass.adapters.FileDatabaseHistoryAdapter
 import com.kunzisoft.keepass.app.database.FileDatabaseHistoryAction
 import com.kunzisoft.keepass.autofill.AutofillHelper
-import com.kunzisoft.keepass.database.action.ProgressDialogThread
+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.SearchInfo
 import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_CREATE_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.DATABASE_URI_KEY
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.KEY_FILE_URI_KEY
 import com.kunzisoft.keepass.settings.PreferencesUtil
 import com.kunzisoft.keepass.utils.*
 import com.kunzisoft.keepass.view.asError
+import com.kunzisoft.keepass.viewmodels.DatabaseFilesViewModel
 import kotlinx.android.synthetic.main.activity_file_selection.*
 import java.io.FileNotFoundException
 
@@ -64,10 +69,11 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
 
     // Views
     private var coordinatorLayout: CoordinatorLayout? = null
-    private var fileManagerExplanationButton: View? = null
     private var createDatabaseButtonView: View? = null
     private var openDatabaseButtonView: View? = null
 
+    private val databaseFilesViewModel: DatabaseFilesViewModel by viewModels()
+
     // Adapter to manage database history list
     private var mAdapterDatabaseHistory: FileDatabaseHistoryAdapter? = null
 
@@ -75,9 +81,9 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
 
     private var mDatabaseFileUri: Uri? = null
 
-    private var mOpenFileHelper: OpenFileHelper? = null
+    private var mSelectFileHelper: SelectFileHelper? = null
 
-    private var mProgressDialogThread: ProgressDialogThread? = null
+    private var mProgressDatabaseTaskProvider: ProgressDatabaseTaskProvider? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -91,20 +97,15 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
         toolbar.title = ""
         setSupportActionBar(toolbar)
 
-        fileManagerExplanationButton = findViewById(R.id.file_manager_explanation_button)
-        fileManagerExplanationButton?.setOnClickListener {
-            UriUtil.gotoUrl(this, R.string.file_manager_explanation_url)
-        }
-
         // Create database button
         createDatabaseButtonView = findViewById(R.id.create_database_button)
         createDatabaseButtonView?.setOnClickListener { createNewFile() }
 
         // Open database button
-        mOpenFileHelper = OpenFileHelper(this)
+        mSelectFileHelper = SelectFileHelper(this)
         openDatabaseButtonView = findViewById(R.id.open_keyfile_button)
         openDatabaseButtonView?.apply {
-            mOpenFileHelper?.openFileOnClickViewListener?.let {
+            mSelectFileHelper?.selectFileOnClickViewListener?.let {
                 setOnClickListener(it)
                 setOnLongClickListener(it)
             }
@@ -117,26 +118,25 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
         (fileDatabaseHistoryRecyclerView.itemAnimator as SimpleItemAnimator).supportsChangeAnimations = false
         // Construct adapter with listeners
         mAdapterDatabaseHistory = FileDatabaseHistoryAdapter(this)
+        mAdapterDatabaseHistory?.setOnDefaultDatabaseListener { databaseFile ->
+            databaseFilesViewModel.setDefaultDatabase(databaseFile)
+        }
         mAdapterDatabaseHistory?.setOnFileDatabaseHistoryOpenListener { fileDatabaseHistoryEntityToOpen ->
-            UriUtil.parse(fileDatabaseHistoryEntityToOpen.databaseUri)?.let { databaseFileUri ->
+            fileDatabaseHistoryEntityToOpen.databaseUri?.let { databaseFileUri ->
                 launchPasswordActivity(
                         databaseFileUri,
-                        UriUtil.parse(fileDatabaseHistoryEntityToOpen.keyFileUri))
+                        fileDatabaseHistoryEntityToOpen.keyFileUri
+                )
             }
         }
         mAdapterDatabaseHistory?.setOnFileDatabaseHistoryDeleteListener { fileDatabaseHistoryToDelete ->
             // Remove from app database
-            mFileDatabaseHistoryAction?.deleteFileDatabaseHistory(fileDatabaseHistoryToDelete) { fileHistoryDeleted ->
-                // Remove from adapter
-                fileHistoryDeleted?.let { databaseFileHistoryDeleted ->
-                    mAdapterDatabaseHistory?.deleteDatabaseFileHistory(databaseFileHistoryDeleted)
-                    mAdapterDatabaseHistory?.notifyDataSetChanged()
-                }
-            }
+            databaseFilesViewModel.deleteDatabaseFile(fileDatabaseHistoryToDelete)
             true
         }
         mAdapterDatabaseHistory?.setOnSaveAliasListener { fileDatabaseHistoryWithNewAlias ->
-            mFileDatabaseHistoryAction?.addOrUpdateFileDatabaseHistory(fileDatabaseHistoryWithNewAlias)
+            // Update in app database
+            databaseFilesViewModel.updateDatabaseFile(fileDatabaseHistoryWithNewAlias)
         }
         fileDatabaseHistoryRecyclerView.adapter = mAdapterDatabaseHistory
 
@@ -159,12 +159,47 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
             mDatabaseFileUri = savedInstanceState.getParcelable(EXTRA_DATABASE_URI)
         }
 
+        // Observe list of databases
+        databaseFilesViewModel.databaseFilesLoaded.observe(this, Observer { databaseFiles ->
+            when (databaseFiles.databaseFileAction) {
+                DatabaseFilesViewModel.DatabaseFileAction.NONE -> {
+                    mAdapterDatabaseHistory?.replaceAllDatabaseFileHistoryList(databaseFiles.databaseFileList)
+                }
+                DatabaseFilesViewModel.DatabaseFileAction.ADD -> {
+                    databaseFiles.databaseFileToActivate?.let { databaseFileToAdd ->
+                        mAdapterDatabaseHistory?.addDatabaseFileHistory(databaseFileToAdd)
+                    }
+                    GroupActivity.launch(this@FileDatabaseSelectActivity)
+                }
+                DatabaseFilesViewModel.DatabaseFileAction.UPDATE -> {
+                    databaseFiles.databaseFileToActivate?.let { databaseFileToUpdate ->
+                        mAdapterDatabaseHistory?.updateDatabaseFileHistory(databaseFileToUpdate)
+                    }
+                }
+                DatabaseFilesViewModel.DatabaseFileAction.DELETE -> {
+                    databaseFiles.databaseFileToActivate?.let { databaseFileToDelete ->
+                        mAdapterDatabaseHistory?.deleteDatabaseFileHistory(databaseFileToDelete)
+                    }
+                }
+            }
+            databaseFilesViewModel.consumeAction()
+        })
+
+        // Observe default database
+        databaseFilesViewModel.defaultDatabase.observe(this, Observer {
+            // Retrieve settings for default database
+            mAdapterDatabaseHistory?.setDefaultDatabase(it)
+        })
+
         // Attach the dialog thread to this activity
-        mProgressDialogThread = ProgressDialogThread(this).apply {
-            onActionFinish = { actionTask, _ ->
+        mProgressDatabaseTaskProvider = ProgressDatabaseTaskProvider(this).apply {
+            onActionFinish = { actionTask, result ->
                 when (actionTask) {
                     ACTION_DATABASE_CREATE_TASK -> {
-                        GroupActivity.launch(this@FileDatabaseSelectActivity)
+                        result.data?.getParcelable<Uri?>(DATABASE_URI_KEY)?.let { databaseUri ->
+                            val keyFileUri = result.data?.getParcelable<Uri?>(KEY_FILE_URI_KEY)
+                            databaseFilesViewModel.addDatabaseFile(databaseUri, keyFileUri)
+                        }
                     }
                 }
             }
@@ -286,34 +321,20 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
         } else {
             // Construct adapter with listeners
             if (PreferencesUtil.showRecentFiles(this)) {
-                mFileDatabaseHistoryAction?.getAllFileDatabaseHistories { databaseFileHistoryList ->
-                    databaseFileHistoryList?.let { historyList ->
-                        val hideBrokenLocations = PreferencesUtil.hideBrokenLocations(this@FileDatabaseSelectActivity)
-                        mAdapterDatabaseHistory?.addDatabaseFileHistoryList(
-                                // Show only uri accessible
-                                historyList.filter {
-                                    if (hideBrokenLocations) {
-                                        FileDatabaseInfo(this@FileDatabaseSelectActivity,
-                                                it.databaseUri).exists
-                                    } else
-                                        true
-                                })
-                        mAdapterDatabaseHistory?.notifyDataSetChanged()
-                    }
-                }
+                databaseFilesViewModel.loadListOfDatabases()
             } else {
                 mAdapterDatabaseHistory?.clearDatabaseFileHistoryList()
                 mAdapterDatabaseHistory?.notifyDataSetChanged()
             }
 
             // Register progress task
-            mProgressDialogThread?.registerProgressTask()
+            mProgressDatabaseTaskProvider?.registerProgressTask()
         }
     }
 
     override fun onPause() {
         // Unregister progress task
-        mProgressDialogThread?.unregisterProgressTask()
+        mProgressDatabaseTaskProvider?.unregisterProgressTask()
 
         super.onPause()
     }
@@ -334,7 +355,7 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
             mDatabaseFileUri?.let { databaseUri ->
 
                 // Create the new database
-                mProgressDialogThread?.startDatabaseCreate(
+                mProgressDatabaseTaskProvider?.startDatabaseCreate(
                         databaseUri,
                         masterPasswordChecked,
                         masterPassword,
@@ -362,8 +383,7 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
             AutofillHelper.onActivityResultSetResultAndFinish(this, requestCode, resultCode, data)
         }
 
-        mOpenFileHelper?.onActivityResultCallback(requestCode, resultCode, data
-        ) { uri ->
+        mSelectFileHelper?.onActivityResultCallback(requestCode, resultCode, data) { uri ->
             if (uri != null) {
                 launchPasswordActivityWithPath(uri)
             }
@@ -419,7 +439,7 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
                     openDatabaseButtonView!!,
                     {tapTargetView ->
                         tapTargetView?.let {
-                            mOpenFileHelper?.openFileOnClickViewListener?.onClick(it)
+                            mSelectFileHelper?.selectFileOnClickViewListener?.onClick(it)
                         }
                     },
                     {}
@@ -428,6 +448,10 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
     }
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            android.R.id.home -> UriUtil.gotoUrl(this, R.string.file_manager_explanation_url)
+        }
+
         return MenuUtil.onDefaultMenuOptionsItemSelected(this, item) && super.onOptionsItemSelected(item)
     }
 

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

@@ -76,10 +76,7 @@ import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Compa
 import com.kunzisoft.keepass.settings.PreferencesUtil
 import com.kunzisoft.keepass.timeout.TimeoutHelper
 import com.kunzisoft.keepass.utils.MenuUtil
-import com.kunzisoft.keepass.view.AddNodeButtonView
-import com.kunzisoft.keepass.view.ToolbarAction
-import com.kunzisoft.keepass.view.asError
-import com.kunzisoft.keepass.view.showActionError
+import com.kunzisoft.keepass.view.*
 
 class GroupActivity : LockingActivity(),
         GroupEditDialogFragment.EditGroupListener,
@@ -108,6 +105,8 @@ class GroupActivity : LockingActivity(),
     private var mCurrentGroupIsASearch: Boolean = false
     private var mRequestStartupSearch = true
 
+    private var actionNodeMode: ActionMode? = null
+
     // To manage history in selection mode
     private var mSelectionModeCountBackStack = 0
 
@@ -123,9 +122,6 @@ class GroupActivity : LockingActivity(),
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        if (isFinishing) {
-            return
-        }
         mDatabase = Database.getInstance()
 
         // Construct main view
@@ -222,7 +218,7 @@ class GroupActivity : LockingActivity(),
             mSearchSuggestionAdapter = SearchEntryCursorAdapter(this, database)
 
             // Init dialog thread
-            mProgressDialogThread?.onActionFinish = { actionTask, result ->
+            mProgressDatabaseTaskProvider?.onActionFinish = { actionTask, result ->
 
                 var oldNodes: List<Node> = ArrayList()
                 result.data?.getBundle(OLD_NODES_KEY)?.let { oldNodesBundle ->
@@ -481,6 +477,7 @@ class GroupActivity : LockingActivity(),
             enableAddGroup(addGroupEnabled)
             enableAddEntry(addEntryEnabled)
 
+            if (actionNodeMode == null)
                 showButton()
         }
     }
@@ -511,7 +508,8 @@ class GroupActivity : LockingActivity(),
     }
 
     override fun onScrolled(dy: Int) {
-        addNodeButtonView?.hideButtonOnScrollListener(dy)
+        if (actionNodeMode == null)
+            addNodeButtonView?.hideOrShowButtonOnScrollListener(dy)
     }
 
     override fun onNodeClick(node: Node) {
@@ -554,18 +552,28 @@ class GroupActivity : LockingActivity(),
         }
     }
 
-    private var actionNodeMode: ActionMode? = null
-
     private fun finishNodeAction() {
         actionNodeMode?.finish()
-        actionNodeMode = null
-        addNodeButtonView?.showButton()
     }
 
     override fun onNodeSelected(nodes: List<Node>): Boolean {
         if (nodes.isNotEmpty()) {
             if (actionNodeMode == null || toolbarAction?.getSupportActionModeCallback() == null) {
-                mListNodesFragment?.actionNodesCallback(nodes, this)?.let {
+                mListNodesFragment?.actionNodesCallback(nodes, this, object: ActionMode.Callback {
+                    override fun onPrepareActionMode(mode: ActionMode?, menu: Menu?): Boolean {
+                        return true
+                    }
+                    override fun onCreateActionMode(mode: ActionMode?, menu: Menu?): Boolean {
+                        return true
+                    }
+                    override fun onActionItemClicked(mode: ActionMode?, item: MenuItem?): Boolean {
+                        return false
+                    }
+                    override fun onDestroyActionMode(mode: ActionMode?) {
+                        actionNodeMode = null
+                        addNodeButtonView?.showButton()
+                    }
+                })?.let {
                     actionNodeMode = toolbarAction?.startSupportActionMode(it)
                 }
             } else {
@@ -622,7 +630,7 @@ class GroupActivity : LockingActivity(),
                 ListNodesFragment.PasteMode.PASTE_FROM_COPY -> {
                     // Copy
                     mCurrentGroup?.let { newParent ->
-                        mProgressDialogThread?.startDatabaseCopyNodes(
+                        mProgressDatabaseTaskProvider?.startDatabaseCopyNodes(
                                 nodes,
                                 newParent,
                                 !mReadOnly && mAutoSaveEnable
@@ -632,7 +640,7 @@ class GroupActivity : LockingActivity(),
                 ListNodesFragment.PasteMode.PASTE_FROM_MOVE -> {
                     // Move
                     mCurrentGroup?.let { newParent ->
-                        mProgressDialogThread?.startDatabaseMoveNodes(
+                        mProgressDatabaseTaskProvider?.startDatabaseMoveNodes(
                                 nodes,
                                 newParent,
                                 !mReadOnly && mAutoSaveEnable
@@ -666,7 +674,7 @@ class GroupActivity : LockingActivity(),
                 && database.isRecycleBinEnabled
                 && database.recycleBin != mCurrentGroup) {
 
-            mProgressDialogThread?.startDatabaseDeleteNodes(
+            mProgressDatabaseTaskProvider?.startDatabaseDeleteNodes(
                     nodes,
                     !mReadOnly && mAutoSaveEnable
             )
@@ -681,7 +689,7 @@ class GroupActivity : LockingActivity(),
     }
 
     override fun permanentlyDeleteNodes(nodes: List<Node>) {
-        mProgressDialogThread?.startDatabaseDeleteNodes(
+        mProgressDatabaseTaskProvider?.startDatabaseDeleteNodes(
                 nodes,
                 !mReadOnly && mAutoSaveEnable
         )
@@ -700,6 +708,8 @@ class GroupActivity : LockingActivity(),
         assignGroupViewElements()
         // Refresh suggestions to change preferences
         mSearchSuggestionAdapter?.reInit(this)
+        // Padding if lock button visible
+        toolbarAction?.updateLockPaddingLeft()
     }
 
     override fun onPause() {
@@ -840,7 +850,7 @@ class GroupActivity : LockingActivity(),
                 //onSearchRequested();
                 return true
             R.id.menu_save_database -> {
-                mProgressDialogThread?.startDatabaseSave(!mReadOnly)
+                mProgressDatabaseTaskProvider?.startDatabaseSave(!mReadOnly)
                 return true
             }
             R.id.menu_empty_recycle_bin -> {
@@ -874,7 +884,7 @@ class GroupActivity : LockingActivity(),
                             // Not really needed here because added in runnable but safe
                             newGroup.parent = currentGroup
 
-                            mProgressDialogThread?.startDatabaseCreateGroup(
+                            mProgressDatabaseTaskProvider?.startDatabaseCreateGroup(
                                     newGroup,
                                     currentGroup,
                                     !mReadOnly && mAutoSaveEnable
@@ -896,7 +906,7 @@ class GroupActivity : LockingActivity(),
                             }
                         }
                         // If group updated save it in the database
-                        mProgressDialogThread?.startDatabaseUpdateGroup(
+                        mProgressDatabaseTaskProvider?.startDatabaseUpdateGroup(
                                 oldGroupToUpdate,
                                 updateGroup,
                                 !mReadOnly && mAutoSaveEnable

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

@@ -97,6 +97,12 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
         }
     }
 
+    override fun onDetach() {
+        nodeClickListener = null
+        onScrollListener = null
+        super.onDetach()
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
@@ -266,14 +272,15 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
     }
 
     fun actionNodesCallback(nodes: List<Node>,
-                            menuListener: NodesActionMenuListener?) : ActionMode.Callback {
+                            menuListener: NodesActionMenuListener?,
+                            actionModeCallback: ActionMode.Callback) : ActionMode.Callback {
 
         return object : ActionMode.Callback {
 
             override fun onCreateActionMode(mode: ActionMode?, menu: Menu?): Boolean {
                 nodeActionSelectionMode = false
                 nodeActionPasteMode = PasteMode.UNDEFINED
-                return true
+                return actionModeCallback.onCreateActionMode(mode, menu)
             }
 
             override fun onPrepareActionMode(mode: ActionMode?, menu: Menu?): Boolean {
@@ -318,7 +325,7 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
                 // 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 {
@@ -348,7 +355,7 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
                         nodeActionSelectionMode = false
                         returnValue
                     }
-                    else -> false
+                    else -> actionModeCallback.onActionItemClicked(mode, item)
                 }
             }
 
@@ -358,6 +365,7 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
                 mAdapter?.unselectActionNodes()
                 nodeActionPasteMode = PasteMode.UNDEFINED
                 nodeActionSelectionMode = false
+                actionModeCallback.onDestroyActionMode(mode)
             }
         }
     }

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

@@ -21,7 +21,6 @@ package com.kunzisoft.keepass.activities
 
 import android.app.Activity
 import android.app.assist.AssistStructure
-import android.app.backup.BackupManager
 import android.content.Intent
 import android.content.pm.PackageManager
 import android.net.Uri
@@ -34,24 +33,25 @@ import android.util.Log
 import android.view.*
 import android.view.inputmethod.EditorInfo.IME_ACTION_DONE
 import android.widget.*
+import androidx.activity.viewModels
 import androidx.annotation.RequiresApi
 import androidx.appcompat.widget.Toolbar
 import androidx.biometric.BiometricManager
 import androidx.core.app.ActivityCompat
+import androidx.lifecycle.Observer
 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.EntrySelectionHelper.KEY_SEARCH_INFO
-import com.kunzisoft.keepass.activities.helpers.OpenFileHelper
 import com.kunzisoft.keepass.activities.helpers.ReadOnlyHelper
+import com.kunzisoft.keepass.activities.helpers.SelectFileHelper
 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.app.database.FileDatabaseHistoryAction
 import com.kunzisoft.keepass.autofill.AutofillHelper
 import com.kunzisoft.keepass.biometric.AdvancedUnlockedManager
-import com.kunzisoft.keepass.database.action.ProgressDialogThread
+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.search.SearchHelper
@@ -60,14 +60,17 @@ import com.kunzisoft.keepass.model.SearchInfo
 import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_LOAD_TASK
 import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.CIPHER_ENTITY_KEY
 import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.DATABASE_URI_KEY
-import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.KEY_FILE_KEY
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.KEY_FILE_URI_KEY
 import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.MASTER_PASSWORD_KEY
 import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.READ_ONLY_KEY
 import com.kunzisoft.keepass.settings.PreferencesUtil
-import com.kunzisoft.keepass.utils.*
+import com.kunzisoft.keepass.utils.BACK_PREVIOUS_KEYBOARD_ACTION
+import com.kunzisoft.keepass.utils.MenuUtil
+import com.kunzisoft.keepass.utils.UriUtil
 import com.kunzisoft.keepass.view.AdvancedUnlockInfoView
 import com.kunzisoft.keepass.view.KeyFileSelectionView
 import com.kunzisoft.keepass.view.asError
+import com.kunzisoft.keepass.viewmodels.DatabaseFileViewModel
 import kotlinx.android.synthetic.main.activity_password.*
 import java.io.FileNotFoundException
 
@@ -81,16 +84,17 @@ open class PasswordActivity : SpecialModeActivity() {
     private var confirmButtonView: Button? = null
     private var checkboxPasswordView: CompoundButton? = null
     private var checkboxKeyFileView: CompoundButton? = null
-    private var checkboxDefaultDatabaseView: CompoundButton? = null
     private var advancedUnlockInfoView: AdvancedUnlockInfoView? = null
     private var infoContainerView: ViewGroup? = null
     private var enableButtonOnCheckedChangeListener: CompoundButton.OnCheckedChangeListener? = null
 
+    private val databaseFileViewModel: DatabaseFileViewModel by viewModels()
+
     private var mDatabaseFileUri: Uri? = null
     private var mDatabaseKeyFileUri: Uri? = null
 
     private var mRememberKeyFile: Boolean = false
-    private var mOpenFileHelper: OpenFileHelper? = null
+    private var mSelectFileHelper: SelectFileHelper? = null
 
     private var mPermissionAsked = false
     private var readOnly: Boolean = false
@@ -105,7 +109,7 @@ open class PasswordActivity : SpecialModeActivity() {
             field = value
         }
 
-    private var mProgressDialogThread: ProgressDialogThread? = null
+    private var mProgressDatabaseTaskProvider: ProgressDatabaseTaskProvider? = null
 
     private var advancedUnlockedManager: AdvancedUnlockedManager? = null
     private var mAllowAutoOpenBiometricPrompt: Boolean = true
@@ -127,16 +131,16 @@ open class PasswordActivity : SpecialModeActivity() {
         keyFileSelectionView = findViewById(R.id.keyfile_selection)
         checkboxPasswordView = findViewById(R.id.password_checkbox)
         checkboxKeyFileView = findViewById(R.id.keyfile_checkox)
-        checkboxDefaultDatabaseView = findViewById(R.id.default_database)
         advancedUnlockInfoView = findViewById(R.id.biometric_info)
         infoContainerView = findViewById(R.id.activity_password_info_container)
 
         mPermissionAsked = savedInstanceState?.getBoolean(KEY_PERMISSION_ASKED) ?: mPermissionAsked
         readOnly = ReadOnlyHelper.retrieveReadOnlyFromInstanceStateOrPreference(this, savedInstanceState)
+        mRememberKeyFile = PreferencesUtil.rememberKeyFileLocations(this)
 
-        mOpenFileHelper = OpenFileHelper(this@PasswordActivity)
+        mSelectFileHelper = SelectFileHelper(this@PasswordActivity)
         keyFileSelectionView?.apply {
-            mOpenFileHelper?.openFileOnClickViewListener?.let {
+            mSelectFileHelper?.selectFileOnClickViewListener?.let {
                 setOnClickListener(it)
                 setOnLongClickListener(it)
             }
@@ -163,12 +167,34 @@ open class PasswordActivity : SpecialModeActivity() {
         if (savedInstanceState?.containsKey(KEY_KEYFILE) == true) {
             mDatabaseKeyFileUri = UriUtil.parse(savedInstanceState.getString(KEY_KEYFILE))
         }
-
         if (savedInstanceState?.containsKey(ALLOW_AUTO_OPEN_BIOMETRIC_PROMPT) == true) {
             mAllowAutoOpenBiometricPrompt = savedInstanceState.getBoolean(ALLOW_AUTO_OPEN_BIOMETRIC_PROMPT)
         }
 
-        mProgressDialogThread = ProgressDialogThread(this).apply {
+        // Observe database file change
+        databaseFileViewModel.databaseFileLoaded.observe(this, Observer { databaseFile ->
+            // Force read only if the file does not exists
+            mForceReadOnly = databaseFile?.let {
+                !it.databaseFileExists
+            } ?: true
+            invalidateOptionsMenu()
+
+            // Post init uri with KeyFile only if needed
+            val keyFileUri =
+                    if (mRememberKeyFile
+                            && (mDatabaseKeyFileUri == null || mDatabaseKeyFileUri.toString().isEmpty())) {
+                        databaseFile?.keyFileUri
+                    } else {
+                        mDatabaseKeyFileUri
+                    }
+
+            // Define title
+            filenameView?.text = databaseFile?.databaseAlias ?: ""
+
+            onDatabaseFileLoaded(databaseFile?.databaseUri, keyFileUri)
+        })
+
+        mProgressDatabaseTaskProvider = ProgressDatabaseTaskProvider(this).apply {
             onActionFinish = { actionTask, result ->
                 when (actionTask) {
                     ACTION_DATABASE_LOAD_TASK -> {
@@ -205,7 +231,7 @@ open class PasswordActivity : SpecialModeActivity() {
                                         result.data?.let { resultData ->
                                             databaseUri = resultData.getParcelable(DATABASE_URI_KEY)
                                             masterPassword = resultData.getString(MASTER_PASSWORD_KEY)
-                                            keyFileUri = resultData.getParcelable(KEY_FILE_KEY)
+                                            keyFileUri = resultData.getParcelable(KEY_FILE_URI_KEY)
                                             readOnly = resultData.getBoolean(READ_ONLY_KEY)
                                             cipherEntity = resultData.getParcelable(CIPHER_ENTITY_KEY)
                                         }
@@ -351,7 +377,7 @@ open class PasswordActivity : SpecialModeActivity() {
                 clearCredentialsViews()
             }
 
-            mProgressDialogThread?.registerProgressTask()
+            mProgressDatabaseTaskProvider?.registerProgressTask()
 
             // Back to previous keyboard is setting activated
             if (PreferencesUtil.isKeyboardPreviousDatabaseCredentialsEnable(this)) {
@@ -364,72 +390,23 @@ open class PasswordActivity : SpecialModeActivity() {
             else
                 mAllowAutoOpenBiometricPrompt
 
-            initUriFromIntent()
+            mDatabaseFileUri?.let { databaseFileUri ->
+                databaseFileViewModel.loadDatabaseFile(databaseFileUri)
+            }
 
             checkPermission()
         }
     }
 
-    private fun initUriFromIntent() {
-        /*
-        // "canXrite" doesn't work with Google Drive, don't really know why?
-        mForceReadOnly = mDatabaseFileUri?.let {
-            !FileDatabaseInfo(this, it).canWrite
-        } ?: false
-        */
-        mForceReadOnly = mDatabaseFileUri?.let {
-            !FileDatabaseInfo(this, it).exists
-        } ?: true
-
-        // Post init uri with KeyFile if needed
-        if (mRememberKeyFile && (mDatabaseKeyFileUri == null || mDatabaseKeyFileUri.toString().isEmpty())) {
-            // Retrieve KeyFile in a thread
-            mDatabaseFileUri?.let { databaseUri ->
-                FileDatabaseHistoryAction.getInstance(applicationContext)
-                        .getKeyFileUriByDatabaseUri(databaseUri)  {
-                            onPostInitUri(databaseUri, it)
-                        }
-            }
-        } else {
-            onPostInitUri(mDatabaseFileUri, mDatabaseKeyFileUri)
-        }
-    }
-
-    private fun onPostInitUri(databaseFileUri: Uri?, keyFileUri: Uri?) {
-        // Define title
-        databaseFileUri?.let {
-            FileDatabaseInfo(this, it).retrieveDatabaseTitle { title ->
-                filenameView?.text = title
-            }
-        }
-
+    private fun onDatabaseFileLoaded(databaseFileUri: Uri?, keyFileUri: Uri?) {
         // Define Key File text
         if (mRememberKeyFile) {
             populateKeyFileTextView(keyFileUri)
         }
 
-        // Define listeners for default database checkbox and validate button
-        checkboxDefaultDatabaseView?.setOnCheckedChangeListener { _, isChecked ->
-            var newDefaultFileUri: Uri? = null
-            if (isChecked) {
-                newDefaultFileUri = databaseFileUri ?: newDefaultFileUri
-            }
-
-            PreferencesUtil.saveDefaultDatabasePath(this, newDefaultFileUri)
-
-            val backupManager = BackupManager(this@PasswordActivity)
-            backupManager.dataChanged()
-        }
+        // Define listener for validate button
         confirmButtonView?.setOnClickListener { verifyCheckboxesAndLoadDatabase() }
 
-        // Retrieve settings for default database
-        val defaultFilename = PreferencesUtil.getDefaultDatabasePath(this)
-        if (databaseFileUri != null
-                && databaseFileUri.path != null && databaseFileUri.path!!.isNotEmpty()
-                && databaseFileUri == UriUtil.parse(defaultFilename)) {
-            checkboxDefaultDatabaseView?.isChecked = true
-        }
-
         // If Activity is launch with a password and want to open directly
         val intent = intent
         val password = intent.getStringExtra(KEY_PASSWORD)
@@ -446,7 +423,6 @@ open class PasswordActivity : SpecialModeActivity() {
             var biometricInitialize = false
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                 if (PreferencesUtil.isBiometricUnlockEnable(this)) {
-
                     if (advancedUnlockedManager == null && databaseFileUri != null) {
                         advancedUnlockedManager = AdvancedUnlockedManager(this,
                                 databaseFileUri,
@@ -478,6 +454,7 @@ open class PasswordActivity : SpecialModeActivity() {
                     biometricInitialize = true
                 } else {
                     advancedUnlockedManager?.destroy()
+                    advancedUnlockInfoView?.visibility = View.GONE
                 }
             }
             if (!biometricInitialize) {
@@ -533,7 +510,7 @@ open class PasswordActivity : SpecialModeActivity() {
     }
 
     override fun onPause() {
-        mProgressDialogThread?.unregisterProgressTask()
+        mProgressDatabaseTaskProvider?.unregisterProgressTask()
 
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
             advancedUnlockedManager?.destroy()
@@ -608,7 +585,7 @@ open class PasswordActivity : SpecialModeActivity() {
                                                   readOnly: Boolean,
                                                   cipherDatabaseEntity: CipherDatabaseEntity?,
                                                   fixDuplicateUUID: Boolean) {
-        mProgressDialogThread?.startDatabaseLoad(
+        mProgressDatabaseTaskProvider?.startDatabaseLoad(
                 databaseUri,
                 password,
                 keyFile,
@@ -772,7 +749,7 @@ open class PasswordActivity : SpecialModeActivity() {
         }
 
         var keyFileResult = false
-        mOpenFileHelper?.let {
+        mSelectFileHelper?.let {
             keyFileResult = it.onActivityResultCallback(requestCode, resultCode, data
             ) { uri ->
                 if (uri != null) {

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

@@ -25,16 +25,19 @@ import android.content.DialogInterface
 import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
-import com.google.android.material.textfield.TextInputLayout
-import androidx.fragment.app.DialogFragment
-import androidx.appcompat.app.AlertDialog
 import android.text.Editable
+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.OpenFileHelper
+import com.kunzisoft.keepass.activities.helpers.SelectFileHelper
+import com.kunzisoft.keepass.utils.UriUtil
 import com.kunzisoft.keepass.view.KeyFileSelectionView
 
 class AssignMasterKeyDialogFragment : DialogFragment() {
@@ -56,7 +59,11 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
 
     private var mListener: AssignPasswordDialogListener? = null
 
-    private var mOpenFileHelper: OpenFileHelper? = null
+    private var mSelectFileHelper: SelectFileHelper? = null
+
+    private var mEmptyPasswordConfirmationDialog: AlertDialog? = null
+    private var mNoKeyConfirmationDialog: AlertDialog? = null
+    private var mEmptyKeyFileConfirmationDialog: AlertDialog? = null
 
     private val passwordTextWatcher = object : TextWatcher {
         override fun beforeTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {}
@@ -85,6 +92,17 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
         }
     }
 
+    override fun onDetach() {
+        mListener = null
+        mEmptyPasswordConfirmationDialog?.dismiss()
+        mEmptyPasswordConfirmationDialog = null
+        mNoKeyConfirmationDialog?.dismiss()
+        mNoKeyConfirmationDialog = null
+        mEmptyKeyFileConfirmationDialog?.dismiss()
+        mEmptyKeyFileConfirmationDialog = null
+        super.onDetach()
+    }
+
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
         activity?.let { activity ->
 
@@ -99,11 +117,15 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
 
             rootView = inflater.inflate(R.layout.fragment_set_password, null)
             builder.setView(rootView)
-                    .setTitle(R.string.assign_master_key)
                     // Add action buttons
                     .setPositiveButton(android.R.string.ok) { _, _ -> }
                     .setNegativeButton(android.R.string.cancel) { _, _ -> }
 
+            val credentialsInfo: ImageView? = rootView?.findViewById(R.id.credentials_information)
+            credentialsInfo?.setOnClickListener {
+                UriUtil.gotoUrl(activity, R.string.credentials_explanation_url)
+            }
+
             passwordCheckBox = rootView?.findViewById(R.id.password_checkbox)
             passwordTextInputLayout = rootView?.findViewById(R.id.password_input_layout)
             passwordView = rootView?.findViewById(R.id.pass_password)
@@ -113,10 +135,10 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
             keyFileCheckBox = rootView?.findViewById(R.id.keyfile_checkox)
             keyFileSelectionView = rootView?.findViewById(R.id.keyfile_selection)
 
-            mOpenFileHelper = OpenFileHelper(this)
+            mSelectFileHelper = SelectFileHelper(this)
             keyFileSelectionView?.apply {
-                setOnClickListener(mOpenFileHelper?.openFileOnClickViewListener)
-                setOnLongClickListener(mOpenFileHelper?.openFileOnClickViewListener)
+                setOnClickListener(mSelectFileHelper?.selectFileOnClickViewListener)
+                setOnLongClickListener(mSelectFileHelper?.selectFileOnClickViewListener)
             }
 
             val dialog = builder.create()
@@ -129,7 +151,7 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
                         mMasterPassword = ""
                         mKeyFile = null
 
-                        var error = verifyPassword() || verifyFile()
+                        var error = verifyPassword() || verifyKeyFile()
                         if (!passwordCheckBox!!.isChecked && !keyFileCheckBox!!.isChecked) {
                             error = true
                             if (allowNoMasterKey)
@@ -199,7 +221,7 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
         return error
     }
 
-    private fun verifyFile(): Boolean {
+    private fun verifyKeyFile(): Boolean {
         var error = false
         if (keyFileCheckBox != null
                 && keyFileCheckBox!!.isChecked) {
@@ -219,7 +241,7 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
             val builder = AlertDialog.Builder(it)
             builder.setMessage(R.string.warning_empty_password)
                     .setPositiveButton(android.R.string.ok) { _, _ ->
-                        if (!verifyFile()) {
+                        if (!verifyKeyFile()) {
                             mListener?.onAssignKeyDialogPositiveClick(
                                     passwordCheckBox!!.isChecked, mMasterPassword,
                                     keyFileCheckBox!!.isChecked, mKeyFile)
@@ -227,7 +249,8 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
                         }
                     }
                     .setNegativeButton(android.R.string.cancel) { _, _ -> }
-            builder.create().show()
+            mEmptyPasswordConfirmationDialog = builder.create()
+            mEmptyPasswordConfirmationDialog?.show()
         }
     }
 
@@ -242,18 +265,44 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
                         this@AssignMasterKeyDialogFragment.dismiss()
                     }
                     .setNegativeButton(android.R.string.cancel) { _, _ -> }
-            builder.create().show()
+            mNoKeyConfirmationDialog = builder.create()
+            mNoKeyConfirmationDialog?.show()
+        }
+    }
+
+    private fun showEmptyKeyFileConfirmationDialog() {
+        activity?.let {
+            val builder = AlertDialog.Builder(it)
+            builder.setMessage(SpannableStringBuilder().apply {
+                append(getString(R.string.warning_empty_keyfile))
+                append("\n\n")
+                append(getString(R.string.warning_empty_keyfile_explanation))
+                append("\n\n")
+                append(getString(R.string.warning_sure_add_file))
+                })
+                    .setPositiveButton(android.R.string.ok) { _, _ -> }
+                    .setNegativeButton(android.R.string.cancel) { _, _ ->
+                        keyFileCheckBox?.isChecked = false
+                        keyFileSelectionView?.uri = null
+                    }
+            mEmptyKeyFileConfirmationDialog = builder.create()
+            mEmptyKeyFileConfirmationDialog?.show()
         }
     }
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
 
-        mOpenFileHelper?.onActivityResultCallback(requestCode, resultCode, data
-        ) { uri ->
+        mSelectFileHelper?.onActivityResultCallback(requestCode, resultCode, data) { uri ->
             uri?.let { pathUri ->
+                UriUtil.getFileData(requireContext(), uri)?.length()?.let { lengthFile ->
+                    keyFileSelectionView?.error = null
                     keyFileCheckBox?.isChecked = true
                     keyFileSelectionView?.uri = pathUri
+                    if (lengthFile <= 0L) {
+                        showEmptyKeyFileConfirmationDialog()
+                    }
+                }
             }
         }
     }

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

@@ -24,6 +24,11 @@ class DatePickerFragment : DialogFragment() {
         }
     }
 
+    override fun onDetach() {
+        mListener = null
+        super.onDetach()
+    }
+
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
         // Create a new instance of DatePickerDialog and return it
         return context?.let {

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

@@ -46,6 +46,11 @@ class DeleteNodesDialogFragment : DialogFragment() {
         }
     }
 
+    override fun onDetach() {
+        mListener = null
+        super.onDetach()
+    }
+
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
 
         arguments?.apply {

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

@@ -0,0 +1,182 @@
+/*
+ * 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.dialogs
+
+import android.app.Dialog
+import android.content.Context
+import android.os.Bundle
+import android.view.View
+import android.view.WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE
+import android.view.inputmethod.EditorInfo
+import android.widget.Button
+import android.widget.CompoundButton
+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.security.ProtectedString
+import com.kunzisoft.keepass.model.Field
+
+
+class EntryCustomFieldDialogFragment: DialogFragment() {
+
+    private var oldField: Field? = null
+
+    private var entryCustomFieldListener: EntryCustomFieldListener? = null
+
+    private var customFieldLabelContainer: TextInputLayout? = null
+    private var customFieldLabel: TextView? = null
+    private var customFieldDeleteButton: ImageView? = null
+    private var customFieldProtectionButton: CompoundButton? = null
+
+    override fun onAttach(context: Context) {
+        super.onAttach(context)
+        try {
+            entryCustomFieldListener = context as EntryCustomFieldListener
+        } catch (e: ClassCastException) {
+            // The activity doesn't implement the interface, throw exception
+            throw ClassCastException(context.toString()
+                    + " must implement " + EntryCustomFieldListener::class.java.name)
+        }
+    }
+
+    override fun onDetach() {
+        entryCustomFieldListener = null
+        super.onDetach()
+    }
+
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+        activity?.let { activity ->
+            val root = activity.layoutInflater.inflate(R.layout.fragment_entry_new_field, null)
+            customFieldLabelContainer = root?.findViewById(R.id.entry_custom_field_label_container)
+            customFieldLabel = root?.findViewById(R.id.entry_custom_field_label)
+            customFieldDeleteButton = root?.findViewById(R.id.entry_custom_field_delete)
+            customFieldProtectionButton = root?.findViewById(R.id.entry_custom_field_protection)
+
+            oldField = arguments?.getParcelable(KEY_FIELD)
+            oldField?.let { oldCustomField ->
+                customFieldLabel?.text = oldCustomField.name
+                customFieldProtectionButton?.isChecked = oldCustomField.protectedValue.isProtected
+
+                customFieldDeleteButton?.visibility = View.VISIBLE
+                customFieldDeleteButton?.setOnClickListener {
+                    entryCustomFieldListener?.onDeleteCustomFieldApproved(oldCustomField)
+                    (dialog as AlertDialog?)?.dismiss()
+                }
+            } ?: run {
+                customFieldDeleteButton?.visibility = View.GONE
+            }
+
+            val builder = AlertDialog.Builder(activity)
+            builder.setView(root)
+                    .setPositiveButton(android.R.string.ok, null)
+                    .setNegativeButton(android.R.string.cancel) { _, _ -> }
+            val dialogCreated = builder.create()
+
+            customFieldLabel?.requestFocus()
+            customFieldLabel?.imeOptions = EditorInfo.IME_ACTION_DONE
+            customFieldLabel?.setOnEditorActionListener { _, actionId, _ ->
+                if (actionId == EditorInfo.IME_ACTION_DONE) {
+                    approveIfValid()
+                }
+                false
+            }
+
+            dialogCreated.window?.setSoftInputMode(SOFT_INPUT_STATE_VISIBLE)
+            return dialogCreated
+
+        }
+        return super.onCreateDialog(savedInstanceState)
+    }
+
+    override fun onResume() {
+        super.onResume()
+
+        // To prevent auto dismiss
+        val d = dialog as AlertDialog?
+        if (d != null) {
+            val positiveButton = d.getButton(Dialog.BUTTON_POSITIVE) as Button
+            positiveButton.setOnClickListener {
+                approveIfValid()
+            }
+        }
+    }
+
+    private fun approveIfValid() {
+        if (isValid()) {
+            oldField?.let {
+                // New property with old value
+                entryCustomFieldListener?.onEditCustomFieldApproved(it,
+                        Field(customFieldLabel?.text?.toString() ?: "",
+                                ProtectedString(customFieldProtectionButton?.isChecked == true,
+                                        it.protectedValue.stringValue))
+                )
+            } ?: run {
+                entryCustomFieldListener?.onNewCustomFieldApproved(
+                        Field(customFieldLabel?.text?.toString() ?: "",
+                                ProtectedString(customFieldProtectionButton?.isChecked == true))
+                )
+            }
+            (dialog as AlertDialog?)?.dismiss()
+        }
+    }
+
+    private fun isValid(): Boolean {
+        return if (customFieldLabel?.text?.toString()?.isNotEmpty() != true) {
+            setError(R.string.error_string_key)
+            false
+        } else {
+            setError(null)
+            true
+        }
+    }
+
+    fun setError(@StringRes errorId: Int?) {
+        customFieldLabelContainer?.error = if (errorId == null) null else {
+            requireContext().getString(errorId)
+        }
+    }
+
+    interface EntryCustomFieldListener {
+        fun onNewCustomFieldApproved(newField: Field)
+        fun onEditCustomFieldApproved(oldField: Field, newField: Field)
+        fun onDeleteCustomFieldApproved(oldField: Field)
+    }
+
+    companion object {
+
+        private const val KEY_FIELD = "KEY_FIELD"
+
+        fun getInstance(): EntryCustomFieldDialogFragment {
+            return EntryCustomFieldDialogFragment()
+        }
+
+        fun getInstance(field: Field): EntryCustomFieldDialogFragment {
+            return EntryCustomFieldDialogFragment().apply {
+                arguments = Bundle().apply {
+                    putParcelable(KEY_FIELD, field)
+                }
+            }
+        }
+    }
+}

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

@@ -0,0 +1,97 @@
+/*
+ * 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.dialogs
+
+import android.app.Dialog
+import android.content.Context
+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
+
+/**
+ * Custom Dialog to confirm big file to upload
+ */
+class FileTooBigDialogFragment : DialogFragment() {
+
+    private var mActionChooseListener: ActionChooseListener? = null
+
+    override fun onAttach(context: Context) {
+        super.onAttach(context)
+        // Verify that the host activity implements the callback interface
+        try {
+            mActionChooseListener = context as ActionChooseListener
+        } catch (e: ClassCastException) {
+            throw ClassCastException(context.toString()
+                    + " must implement " + ActionChooseListener::class.java.name)
+        }
+    }
+
+    override fun onDetach() {
+        mActionChooseListener = null
+        super.onDetach()
+    }
+
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+        activity?.let { activity ->
+            // Use the Builder class for convenient dialog construction
+            val builder = AlertDialog.Builder(activity)
+            builder.setMessage(SpannableStringBuilder().apply {
+                append(getString(R.string.warning_file_too_big))
+                append("\n\n")
+                append(getString(R.string.warning_sure_add_file))
+            })
+            builder.setPositiveButton(android.R.string.yes) { _, _ ->
+                mActionChooseListener?.onValidateUploadFileTooBig(
+                        arguments?.getParcelable(KEY_FILE_URI),
+                        arguments?.getString(KEY_FILE_NAME))
+            }
+            builder.setNegativeButton(android.R.string.no) { _, _ ->
+                dismiss()
+            }
+            // Create the AlertDialog object and return it
+            return builder.create()
+        }
+        return super.onCreateDialog(savedInstanceState)
+    }
+
+    interface ActionChooseListener {
+        fun onValidateUploadFileTooBig(attachmentToUploadUri: Uri?, fileName: String?)
+    }
+
+    companion object {
+        const val MAX_WARNING_BINARY_FILE = 5242880
+
+        private const val KEY_FILE_URI = "KEY_FILE_URI"
+        private const val KEY_FILE_NAME = "KEY_FILE_NAME"
+
+        fun build(attachmentToUploadUri: Uri,
+                  fileName: String): FileTooBigDialogFragment {
+            val fragment = FileTooBigDialogFragment()
+            fragment.arguments = Bundle().apply {
+                putParcelable(KEY_FILE_URI, attachmentToUploadUri)
+                putString(KEY_FILE_NAME, fileName)
+            }
+            return fragment
+        }
+    }
+}

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

@@ -64,6 +64,11 @@ class GeneratePasswordDialogFragment : DialogFragment() {
         }
     }
 
+    override fun onDetach() {
+        mListener = null
+        super.onDetach()
+    }
+
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
         activity?.let { activity ->
             val builder = AlertDialog.Builder(activity)

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

@@ -73,7 +73,11 @@ class GroupEditDialogFragment : DialogFragment(), IconPickerDialogFragment.IconP
             throw ClassCastException(context.toString()
                     + " must implement " + GroupEditDialogFragment::class.java.name)
         }
+    }
 
+    override fun onDetach() {
+        editGroupListener = null
+        super.onDetach()
     }
 
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {

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

@@ -34,6 +34,7 @@ import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.widget.ImageViewCompat
 import androidx.fragment.app.DialogFragment
+import androidx.fragment.app.FragmentActivity
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.database.element.icon.IconImageStandard
 import com.kunzisoft.keepass.icons.IconPack
@@ -56,6 +57,11 @@ class IconPickerDialogFragment : DialogFragment() {
         }
     }
 
+    override fun onDetach() {
+        iconPickerListener = null
+        super.onDetach()
+    }
+
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
         activity?.let { activity ->
             val builder = AlertDialog.Builder(activity)
@@ -132,7 +138,7 @@ class IconPickerDialogFragment : DialogFragment() {
             return bundle.getParcelable(KEY_ICON_STANDARD)
         }
 
-        fun launch(activity: AppCompatActivity) {
+        fun launch(activity: FragmentActivity) {
             // Create an instance of the dialog fragment and show it
             val dialog = IconPickerDialogFragment()
             dialog.show(activity.supportFragmentManager, "IconPickerDialogFragment")

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

@@ -21,20 +21,51 @@ package com.kunzisoft.keepass.activities.dialogs
 
 import android.app.AlertDialog
 import android.app.Dialog
-import android.content.DialogInterface
+import android.content.Context
+import android.net.Uri
 import android.os.Bundle
 import androidx.fragment.app.DialogFragment
 import com.kunzisoft.keepass.R
 
 class PasswordEncodingDialogFragment : DialogFragment() {
 
-    var positiveButtonClickListener: DialogInterface.OnClickListener? = null
+    private var mListener: Listener? = null
+
+    override fun onAttach(context: Context) {
+        super.onAttach(context)
+        try {
+            mListener = context as Listener
+        } catch (e: ClassCastException) {
+            throw ClassCastException(context.toString()
+                    + " must implement " + Listener::class.java.name)
+        }
+    }
+
+    override fun onDetach() {
+        mListener = null
+        super.onDetach()
+    }
 
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+
+        val databaseUri: Uri? = savedInstanceState?.getParcelable(DATABASE_URI_KEY)
+        val masterPasswordChecked: Boolean = savedInstanceState?.getBoolean(MASTER_PASSWORD_CHECKED_KEY) ?: false
+        val masterPassword: String? = savedInstanceState?.getString(MASTER_PASSWORD_KEY)
+        val keyFileChecked: Boolean = savedInstanceState?.getBoolean(KEY_FILE_CHECKED_KEY) ?: false
+        val keyFile: Uri? = savedInstanceState?.getParcelable(KEY_FILE_URI_KEY)
+
         activity?.let { activity ->
             val builder = AlertDialog.Builder(activity)
             builder.setMessage(activity.getString(R.string.warning_password_encoding)).setTitle(R.string.warning)
-            builder.setPositiveButton(android.R.string.ok, positiveButtonClickListener)
+            builder.setPositiveButton(android.R.string.ok) { _, _ ->
+                mListener?.onPasswordEncodingValidateListener(
+                        databaseUri,
+                        masterPasswordChecked,
+                        masterPassword,
+                        keyFileChecked,
+                        keyFile
+                )
+            }
             builder.setNegativeButton(android.R.string.cancel) { dialog, _ -> dialog.cancel() }
 
             return builder.create()
@@ -42,5 +73,36 @@ class PasswordEncodingDialogFragment : DialogFragment() {
         return super.onCreateDialog(savedInstanceState)
     }
 
-
+    interface Listener {
+        fun onPasswordEncodingValidateListener(databaseUri: Uri?,
+                                               masterPasswordChecked: Boolean,
+                                               masterPassword: String?,
+                                               keyFileChecked: Boolean,
+                                               keyFile: Uri?)
+    }
+
+    companion object {
+
+        private const val DATABASE_URI_KEY = "DATABASE_URI_KEY"
+        private const val MASTER_PASSWORD_CHECKED_KEY = "MASTER_PASSWORD_CHECKED_KEY"
+        private const val MASTER_PASSWORD_KEY = "MASTER_PASSWORD_KEY"
+        private const val KEY_FILE_CHECKED_KEY = "KEY_FILE_CHECKED_KEY"
+        private const val KEY_FILE_URI_KEY = "KEY_FILE_URI_KEY"
+
+        fun getInstance(databaseUri: Uri,
+                        masterPasswordChecked: Boolean,
+                        masterPassword: String?,
+                        keyFileChecked: Boolean,
+                        keyFile: Uri?): SortDialogFragment {
+            val fragment = SortDialogFragment()
+            fragment.arguments = Bundle().apply {
+                putParcelable(DATABASE_URI_KEY, databaseUri)
+                putBoolean(MASTER_PASSWORD_CHECKED_KEY, masterPasswordChecked)
+                putString(MASTER_PASSWORD_KEY, masterPassword)
+                putBoolean(KEY_FILE_CHECKED_KEY, keyFileChecked)
+                putParcelable(KEY_FILE_URI_KEY, keyFile)
+            }
+            return fragment
+        }
+    }
 }

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

@@ -0,0 +1,96 @@
+/*
+ * 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.dialogs
+
+import android.app.Dialog
+import android.content.Context
+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() {
+
+    private var mActionChooseListener: ActionChooseListener? = null
+
+    override fun onAttach(context: Context) {
+        super.onAttach(context)
+        // Verify that the host activity implements the callback interface
+        try {
+            mActionChooseListener = context as ActionChooseListener
+        } catch (e: ClassCastException) {
+            throw ClassCastException(context.toString()
+                    + " must implement " + ActionChooseListener::class.java.name)
+        }
+    }
+
+    override fun onDetach() {
+        mActionChooseListener = null
+        super.onDetach()
+    }
+
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+        activity?.let { activity ->
+            // Use the Builder class for convenient dialog construction
+            val builder = AlertDialog.Builder(activity)
+            builder.setMessage(SpannableStringBuilder().apply {
+                append(getString(R.string.warning_replace_file))
+                append("\n\n")
+                append(getString(R.string.warning_sure_add_file))
+            })
+            builder.setPositiveButton(android.R.string.yes) { _, _ ->
+                mActionChooseListener?.onValidateReplaceFile(
+                        arguments?.getParcelable(KEY_FILE_URI),
+                        arguments?.getParcelable(KEY_ENTRY_ATTACHMENT))
+            }
+            builder.setNegativeButton(android.R.string.no) { _, _ ->
+                dismiss()
+            }
+            // Create the AlertDialog object and return it
+            return builder.create()
+        }
+        return super.onCreateDialog(savedInstanceState)
+    }
+
+    interface ActionChooseListener {
+        fun onValidateReplaceFile(attachmentToUploadUri: Uri?, attachment: Attachment?)
+    }
+
+    companion object {
+        private const val KEY_FILE_URI = "KEY_FILE_URI"
+        private const val KEY_ENTRY_ATTACHMENT = "KEY_ENTRY_ATTACHMENT"
+
+        fun build(attachmentToUploadUri: Uri,
+                  attachment: Attachment): ReplaceFileDialogFragment {
+            val fragment = ReplaceFileDialogFragment()
+            fragment.arguments = Bundle().apply {
+                putParcelable(KEY_FILE_URI, attachmentToUploadUri)
+                putParcelable(KEY_ENTRY_ATTACHMENT, attachment)
+            }
+            return fragment
+        }
+    }
+}

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

@@ -28,6 +28,7 @@ import android.text.TextWatcher
 import android.view.MotionEvent
 import android.view.View
 import android.view.ViewGroup
+import android.view.inputmethod.EditorInfo
 import android.widget.AdapterView
 import android.widget.ArrayAdapter
 import android.widget.EditText
@@ -106,6 +107,11 @@ class SetOTPDialogFragment : DialogFragment() {
         }
     }
 
+    override fun onDetach() {
+        mCreateOTPElementListener = null
+        super.onDetach()
+    }
+
     @SuppressLint("ClickableViewAccessibility")
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
 
@@ -152,6 +158,28 @@ class SetOTPDialogFragment : DialogFragment() {
             otpCounterTextView?.setOnTouchListener(mOnTouchListener)
             otpDigitsTextView?.setOnTouchListener(mOnTouchListener)
 
+            // To manage focus
+            otpPeriodTextView?.setOnEditorActionListener { _, actionId, _ ->
+                if (actionId == EditorInfo.IME_ACTION_NEXT) {
+                    otpDigitsTextView?.requestFocus()
+                    true
+                } else
+                    false
+            }
+            otpCounterTextView?.setOnEditorActionListener { _, actionId, _ ->
+                if (actionId == EditorInfo.IME_ACTION_NEXT) {
+                    otpDigitsTextView?.requestFocus()
+                    true
+                } else
+                    false
+            }
+            otpCounterTextView?.setOnEditorActionListener { _, actionId, _ ->
+                if (actionId == EditorInfo.IME_ACTION_NEXT) {
+                    root?.requestFocus(View.FOCUS_DOWN)
+                    true
+                } else
+                    false
+            }
 
             // HOTP / TOTP Type selection
             val otpTypeArray = OtpType.values()

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

@@ -54,6 +54,11 @@ class SortDialogFragment : DialogFragment() {
         }
     }
 
+    override fun onDetach() {
+        mListener = null
+        super.onDetach()
+    }
+
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
         activity?.let { activity ->
             val builder = AlertDialog.Builder(activity)

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

@@ -25,6 +25,11 @@ class TimePickerFragment : DialogFragment() {
         }
     }
 
+    override fun onDetach() {
+        mListener = null
+        super.onDetach()
+    }
+
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
         // Create a new instance of DatePickerDialog and return it
         return context?.let {

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

@@ -28,19 +28,20 @@ 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 OpenFileHelper {
+class SelectFileHelper {
 
     private var activity: Activity? = null
     private var fragment: Fragment? = null
 
-    val openFileOnClickViewListener: OpenFileOnClickViewListener
-        get() = OpenFileOnClickViewListener()
+    val selectFileOnClickViewListener: SelectFileOnClickViewListener
+        get() = SelectFileOnClickViewListener()
 
     constructor(context: Activity) {
         this.activity = context
@@ -52,7 +53,10 @@ class OpenFileHelper {
         this.fragment = context
     }
 
-    inner class OpenFileOnClickViewListener : View.OnClickListener, View.OnLongClickListener {
+    inner class SelectFileOnClickViewListener :
+            View.OnClickListener,
+            View.OnLongClickListener,
+            MenuItem.OnMenuItemClickListener {
 
         private fun onAbstractClick(longClick: Boolean = false) {
             try {
@@ -85,6 +89,11 @@ class OpenFileHelper {
             onAbstractClick(true)
             return true
         }
+
+        override fun onMenuItemClick(item: MenuItem?): Boolean {
+            onAbstractClick()
+            return true
+        }
     }
 
     @SuppressLint("InlinedApi")

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

@@ -27,7 +27,7 @@ import android.view.View
 import android.view.ViewGroup
 import com.kunzisoft.keepass.activities.helpers.ReadOnlyHelper
 import com.kunzisoft.keepass.activities.selection.SpecialModeActivity
-import com.kunzisoft.keepass.database.action.ProgressDialogThread
+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
@@ -51,7 +51,7 @@ abstract class LockingActivity : SpecialModeActivity() {
     private var mReadOnlyToSave: Boolean = false
     protected var mAutoSaveEnable: Boolean = true
 
-    var mProgressDialogThread: ProgressDialogThread? = null
+    var mProgressDatabaseTaskProvider: ProgressDatabaseTaskProvider? = null
         private set
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -80,7 +80,7 @@ abstract class LockingActivity : SpecialModeActivity() {
 
         mExitLock = false
 
-        mProgressDialogThread = ProgressDialogThread(this)
+        mProgressDatabaseTaskProvider = ProgressDatabaseTaskProvider(this)
     }
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
@@ -96,7 +96,7 @@ abstract class LockingActivity : SpecialModeActivity() {
     override fun onResume() {
         super.onResume()
 
-        mProgressDialogThread?.registerProgressTask()
+        mProgressDatabaseTaskProvider?.registerProgressTask()
 
         // To refresh when back to normal workflow from selection workflow
         mReadOnlyToSave = ReadOnlyHelper.retrieveReadOnlyFromIntent(intent)
@@ -131,7 +131,7 @@ abstract class LockingActivity : SpecialModeActivity() {
     override fun onPause() {
         LOCKING_ACTIVITY_UI_VISIBLE = false
 
-        mProgressDialogThread?.unregisterProgressTask()
+        mProgressDatabaseTaskProvider?.unregisterProgressTask()
 
         super.onPause()
 

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

@@ -46,12 +46,19 @@ abstract class StylishFragment : Fragment() {
         // To fix status bar color
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
             val window = requireActivity().window
-
-            val attrColorPrimaryDark = intArrayOf(android.R.attr.colorPrimaryDark)
-            val taColorPrimaryDark = contextThemed?.theme?.obtainStyledAttributes(attrColorPrimaryDark)
             val defaultColor = Color.BLACK
-            window.statusBarColor = taColorPrimaryDark?.getColor(0, defaultColor) ?: defaultColor
-            taColorPrimaryDark?.recycle()
+
+            try {
+                val taStatusBarColor = contextThemed?.theme?.obtainStyledAttributes(intArrayOf(android.R.attr.statusBarColor))
+                window.statusBarColor = taStatusBarColor?.getColor(0, defaultColor) ?: defaultColor
+                taStatusBarColor?.recycle()
+            } catch (e: Exception) {}
+
+            try {
+                val taNavigationBarColor = contextThemed?.theme?.obtainStyledAttributes(intArrayOf(android.R.attr.navigationBarColor))
+                window.navigationBarColor = taNavigationBarColor?.getColor(0, defaultColor) ?: defaultColor
+                taNavigationBarColor?.recycle()
+            } catch (e: Exception) {}
         }
 
         return super.onCreateView(inflater, container, savedInstanceState)

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

@@ -0,0 +1,126 @@
+package com.kunzisoft.keepass.adapters
+
+import android.content.Context
+import android.view.LayoutInflater
+import android.view.View
+import androidx.recyclerview.widget.RecyclerView
+import com.kunzisoft.keepass.view.collapse
+
+abstract class AnimatedItemsAdapter<Item, T: RecyclerView.ViewHolder>(val context: Context)
+    : RecyclerView.Adapter<T>() {
+
+    protected val inflater: LayoutInflater = LayoutInflater.from(context)
+    var itemsList: MutableList<Item> = ArrayList()
+        private set
+
+    var onDeleteButtonClickListener: ((item: Item)->Unit)? = null
+    private var mItemToRemove: Item? = null
+
+    var onListSizeChangedListener: ((previousSize: Int, newSize: Int)->Unit)? = null
+
+    override fun getItemCount(): Int {
+        return itemsList.size
+    }
+
+    open fun assignItems(items: List<Item>) {
+        val previousSize = itemsList.size
+        itemsList.apply {
+            clear()
+            addAll(items)
+        }
+        notifyDataSetChanged()
+        onListSizeChangedListener?.invoke(previousSize, itemsList.size)
+    }
+
+    open fun isEmpty(): Boolean {
+        return itemsList.isEmpty()
+    }
+
+    open fun contains(item: Item): Boolean {
+        return itemsList.contains(item)
+    }
+
+    open fun indexOf(item: Item): Int {
+        return itemsList.indexOf(item)
+    }
+
+    open fun putItem(item: Item) {
+        val previousSize = itemsList.size
+        if (itemsList.contains(item)) {
+            val index = itemsList.indexOf(item)
+            itemsList.removeAt(index)
+            itemsList.add(index, item)
+            notifyItemChanged(index)
+        } else {
+            itemsList.add(item)
+            notifyItemInserted(itemsList.indexOf(item))
+        }
+        onListSizeChangedListener?.invoke(previousSize, itemsList.size)
+    }
+
+    /**
+     * Only replace [oldItem] by [newItem] if [oldItem] exists
+     */
+    open fun replaceItem(oldItem: Item, newItem: Item) {
+        if (itemsList.contains(oldItem)) {
+            val index = itemsList.indexOf(oldItem)
+            itemsList.removeAt(index)
+            itemsList.add(index, newItem)
+            notifyItemChanged(index)
+        }
+    }
+
+    /**
+     * Only remove [item] if doesn't exists
+     */
+    open fun removeItem(item: Item) {
+        if (itemsList.contains(item)) {
+            mItemToRemove = item
+            notifyItemChanged(itemsList.indexOf(item))
+        }
+    }
+
+    protected fun performDeletion(holder: T, item: Item): Boolean {
+        val effectivelyDeletionPerformed = mItemToRemove == item
+        if (effectivelyDeletionPerformed) {
+            holder.itemView.collapse(true) {
+                deleteItem(item)
+            }
+        }
+        return effectivelyDeletionPerformed
+    }
+
+    protected fun onBindDeleteButton(holder: T, deleteButton: View, item: Item, position: Int) {
+        deleteButton.apply {
+            visibility = View.VISIBLE
+            if (performDeletion(holder, item)) {
+                setOnClickListener(null)
+            } else {
+                setOnClickListener {
+                    onDeleteButtonClickListener?.invoke(item)
+                    mItemToRemove = item
+                    notifyItemChanged(position)
+                }
+            }
+        }
+    }
+
+    private fun deleteItem(item: Item) {
+        val previousSize = itemsList.size
+        val position = itemsList.indexOf(item)
+        if (position >= 0) {
+            itemsList.removeAt(position)
+            notifyItemRemoved(position)
+            mItemToRemove = null
+            for (i in 0 until itemsList.size) {
+                notifyItemChanged(i)
+            }
+        }
+        onListSizeChangedListener?.invoke(previousSize, itemsList.size)
+    }
+
+    fun clear() {
+        itemsList.clear()
+        notifyDataSetChanged()
+    }
+}

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

@@ -1,100 +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.adapters
-
-import android.content.Context
-import android.text.format.Formatter
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import android.widget.ProgressBar
-import android.widget.TextView
-import androidx.recyclerview.widget.RecyclerView
-import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.database.element.Database
-import com.kunzisoft.keepass.database.element.database.CompressionAlgorithm
-import com.kunzisoft.keepass.model.AttachmentState
-import com.kunzisoft.keepass.model.EntryAttachment
-
-class EntryAttachmentsAdapter(val context: Context) : RecyclerView.Adapter<EntryAttachmentsAdapter.EntryBinariesViewHolder>() {
-
-    private val inflater: LayoutInflater = LayoutInflater.from(context)
-    var entryAttachmentsList: MutableList<EntryAttachment> = ArrayList()
-    var onItemClickListener: ((item: EntryAttachment, position: Int)->Unit)? = null
-
-    private val mDatabase = Database.getInstance()
-
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): EntryBinariesViewHolder {
-        return EntryBinariesViewHolder(inflater.inflate(R.layout.item_attachment, parent, false))
-    }
-
-    override fun onBindViewHolder(holder: EntryBinariesViewHolder, position: Int) {
-        val entryAttachment = entryAttachmentsList[position]
-
-        holder.binaryFileTitle.text = entryAttachment.name
-        holder.binaryFileSize.text = Formatter.formatFileSize(context,
-                entryAttachment.binaryAttachment.length())
-        holder.binaryFileCompression.apply {
-            if (mDatabase.compressionAlgorithm == CompressionAlgorithm.GZip
-                    || entryAttachment.binaryAttachment.isCompressed == true) {
-                text = CompressionAlgorithm.GZip.getName(context.resources)
-                visibility = View.VISIBLE
-            } else {
-                text = ""
-                visibility = View.GONE
-            }
-        }
-        holder.binaryFileProgress.apply {
-            visibility = when (entryAttachment.downloadState) {
-                AttachmentState.NULL, AttachmentState.COMPLETE, AttachmentState.ERROR -> View.GONE
-                AttachmentState.START, AttachmentState.IN_PROGRESS -> View.VISIBLE
-            }
-            progress = entryAttachment.downloadProgression
-        }
-
-        holder.itemView.setOnClickListener {
-            onItemClickListener?.invoke(entryAttachment, position)
-        }
-    }
-
-    override fun getItemCount(): Int {
-        return entryAttachmentsList.size
-    }
-
-    fun updateProgress(entryAttachment: EntryAttachment) {
-        val indexEntryAttachment = entryAttachmentsList.indexOfLast { current -> current.name == entryAttachment.name }
-        if (indexEntryAttachment != -1) {
-            entryAttachmentsList[indexEntryAttachment] = entryAttachment
-            notifyItemChanged(indexEntryAttachment)
-        }
-    }
-
-    fun clear() {
-        entryAttachmentsList.clear()
-    }
-
-    inner class EntryBinariesViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
-
-        var binaryFileTitle: TextView = itemView.findViewById(R.id.item_attachment_title)
-        var binaryFileSize: TextView = itemView.findViewById(R.id.item_attachment_size)
-        var binaryFileCompression: TextView = itemView.findViewById(R.id.item_attachment_compression)
-        var binaryFileProgress: ProgressBar = itemView.findViewById(R.id.item_attachment_progress)
-    }
-}

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

@@ -0,0 +1,148 @@
+/*
+ * 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.adapters
+
+import android.content.Context
+import android.content.res.TypedArray
+import android.graphics.Color
+import android.text.format.Formatter
+import android.util.TypedValue
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ImageView
+import android.widget.ProgressBar
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.database.element.database.CompressionAlgorithm
+import com.kunzisoft.keepass.model.AttachmentState
+import com.kunzisoft.keepass.model.EntryAttachmentState
+import com.kunzisoft.keepass.model.StreamDirection
+
+
+class EntryAttachmentsItemsAdapter(context: Context)
+    : AnimatedItemsAdapter<EntryAttachmentState, EntryAttachmentsItemsAdapter.EntryBinariesViewHolder>(context) {
+
+    var onItemClickListener: ((item: EntryAttachmentState)->Unit)? = null
+
+    private var mTitleColor: Int
+
+    init {
+        // Get the primary text color of the theme
+        val typedValue = TypedValue()
+        context.theme.resolveAttribute(android.R.attr.textColorPrimary, typedValue, true)
+        val typedArray: TypedArray = context.obtainStyledAttributes(typedValue.data, intArrayOf(
+                android.R.attr.textColor))
+        mTitleColor = typedArray.getColor(0, -1)
+        typedArray.recycle()
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): EntryBinariesViewHolder {
+        return EntryBinariesViewHolder(inflater.inflate(R.layout.item_attachment, parent, false))
+    }
+
+    override fun onBindViewHolder(holder: EntryBinariesViewHolder, position: Int) {
+        val entryAttachmentState = itemsList[position]
+
+        holder.itemView.visibility = View.VISIBLE
+        holder.binaryFileBroken.apply {
+            setColorFilter(Color.RED)
+            visibility = if (entryAttachmentState.attachment.binaryAttachment.isCorrupted) {
+                View.VISIBLE
+            } else {
+                View.GONE
+            }
+        }
+        holder.binaryFileTitle.text = entryAttachmentState.attachment.name
+        if (entryAttachmentState.attachment.binaryAttachment.isCorrupted) {
+            holder.binaryFileTitle.setTextColor(Color.RED)
+        } else {
+            holder.binaryFileTitle.setTextColor(mTitleColor)
+        }
+        holder.binaryFileSize.text = Formatter.formatFileSize(context,
+                entryAttachmentState.attachment.binaryAttachment.length())
+        holder.binaryFileCompression.apply {
+            if (entryAttachmentState.attachment.binaryAttachment.isCompressed) {
+                text = CompressionAlgorithm.GZip.getName(context.resources)
+                visibility = View.VISIBLE
+            } else {
+                text = ""
+                visibility = View.GONE
+            }
+        }
+        when (entryAttachmentState.streamDirection) {
+            StreamDirection.UPLOAD -> {
+                holder.binaryFileProgressIcon.isActivated = true
+                when (entryAttachmentState.downloadState) {
+                    AttachmentState.START,
+                    AttachmentState.IN_PROGRESS -> {
+                        holder.binaryFileProgressContainer.visibility = View.VISIBLE
+                        holder.binaryFileProgress.apply {
+                            visibility = View.VISIBLE
+                            progress = entryAttachmentState.downloadProgression
+                        }
+                        holder.binaryFileDeleteButton.apply {
+                            visibility = View.GONE
+                            setOnClickListener(null)
+                        }
+                    }
+                    AttachmentState.NULL,
+                    AttachmentState.ERROR,
+                    AttachmentState.COMPLETE -> {
+                        holder.binaryFileProgressContainer.visibility = View.GONE
+                        holder.binaryFileProgress.visibility = View.GONE
+                        holder.binaryFileDeleteButton.apply {
+                            visibility = View.VISIBLE
+                            onBindDeleteButton(holder, this, entryAttachmentState, position)
+                        }
+                    }
+                }
+                holder.itemView.setOnClickListener(null)
+            }
+            StreamDirection.DOWNLOAD -> {
+                holder.binaryFileProgressIcon.isActivated = false
+                holder.binaryFileProgressContainer.visibility = View.VISIBLE
+                holder.binaryFileDeleteButton.visibility = View.GONE
+                holder.binaryFileProgress.apply {
+                    visibility = when (entryAttachmentState.downloadState) {
+                        AttachmentState.NULL, AttachmentState.COMPLETE, AttachmentState.ERROR -> View.GONE
+                        AttachmentState.START, AttachmentState.IN_PROGRESS -> View.VISIBLE
+                    }
+                    progress = entryAttachmentState.downloadProgression
+                }
+                holder.itemView.setOnClickListener {
+                    onItemClickListener?.invoke(entryAttachmentState)
+                }
+            }
+        }
+    }
+
+    class EntryBinariesViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+
+        var binaryFileBroken: ImageView = itemView.findViewById(R.id.item_attachment_broken)
+        var binaryFileTitle: TextView = itemView.findViewById(R.id.item_attachment_title)
+        var binaryFileSize: TextView = itemView.findViewById(R.id.item_attachment_size)
+        var binaryFileCompression: TextView = itemView.findViewById(R.id.item_attachment_compression)
+        var binaryFileProgressContainer: View = itemView.findViewById(R.id.item_attachment_progress_container)
+        var binaryFileProgressIcon: ImageView = itemView.findViewById(R.id.item_attachment_icon)
+        var binaryFileProgress: ProgressBar = itemView.findViewById(R.id.item_attachment_progress)
+        var binaryFileDeleteButton: View = itemView.findViewById(R.id.item_attachment_delete_button)
+    }
+}

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

@@ -22,31 +22,33 @@ package com.kunzisoft.keepass.adapters
 import android.content.Context
 import android.graphics.Color
 import android.graphics.PorterDuff
+import android.net.Uri
+import android.util.TypedValue
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.*
 import androidx.annotation.ColorInt
 import androidx.recyclerview.widget.RecyclerView
-import android.util.TypedValue
-import android.view.*
-import android.widget.EditText
-import android.widget.ImageView
-import android.widget.TextView
-import android.widget.ViewSwitcher
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.app.database.FileDatabaseHistoryEntity
-import com.kunzisoft.keepass.utils.FileDatabaseInfo
-import com.kunzisoft.keepass.utils.UriUtil
+import com.kunzisoft.keepass.model.DatabaseFile
+import com.kunzisoft.keepass.view.collapse
+import com.kunzisoft.keepass.view.expand
 
-class FileDatabaseHistoryAdapter(private val context: Context)
+class FileDatabaseHistoryAdapter(context: Context)
     : RecyclerView.Adapter<FileDatabaseHistoryAdapter.FileDatabaseHistoryViewHolder>() {
 
     private val inflater: LayoutInflater = LayoutInflater.from(context)
-    private var fileItemOpenListener: ((FileDatabaseHistoryEntity)->Unit)? = null
-    private var fileSelectClearListener: ((FileDatabaseHistoryEntity)->Boolean)? = null
-    private var saveAliasListener: ((FileDatabaseHistoryEntity)->Unit)? = null
+    private var defaultDatabaseListener: ((DatabaseFile?) -> Unit)? = null
+    private var fileItemOpenListener: ((DatabaseFile)->Unit)? = null
+    private var fileSelectClearListener: ((DatabaseFile)->Boolean)? = null
+    private var saveAliasListener: ((DatabaseFile)->Unit)? = null
 
-    private val listDatabaseFiles = ArrayList<FileDatabaseHistoryEntity>()
+    private val listDatabaseFiles = ArrayList<DatabaseFile>()
 
-    private var mExpandedPosition = -1
-    private var mPreviousExpandedPosition = -1
+    private var mDefaultDatabaseFile: DatabaseFile? = null
+    private var mExpandedDatabaseFile: DatabaseFile? = null
+    private var mPreviousExpandedDatabaseFile: DatabaseFile? = null
 
     @ColorInt
     private val defaultColor: Int
@@ -63,43 +65,49 @@ class FileDatabaseHistoryAdapter(private val context: Context)
     }
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): FileDatabaseHistoryViewHolder {
-        val view = inflater.inflate(R.layout.item_file_row, parent, false)
+        val view = inflater.inflate(R.layout.item_file_info, parent, false)
         return FileDatabaseHistoryViewHolder(view)
     }
 
     override fun onBindViewHolder(holder: FileDatabaseHistoryViewHolder, position: Int) {
         // Get info from position
-        val fileHistoryEntity = listDatabaseFiles[position]
-        val fileDatabaseInfo = FileDatabaseInfo(context, fileHistoryEntity.databaseUri)
+        val databaseFile = listDatabaseFiles[position]
 
         // Click item to open file
-        if (fileItemOpenListener != null)
         holder.fileContainer.setOnClickListener {
-                fileItemOpenListener?.invoke(fileHistoryEntity)
+            fileItemOpenListener?.invoke(databaseFile)
+        }
+
+        // Default database
+        holder.defaultFileButton.apply {
+            this.isChecked = mDefaultDatabaseFile == databaseFile
+            setOnClickListener {
+                defaultDatabaseListener?.invoke(if (isChecked) databaseFile else null)
+            }
         }
 
         // File alias
-        holder.fileAlias.text = fileDatabaseInfo.retrieveDatabaseAlias(fileHistoryEntity.databaseAlias)
+        holder.fileAlias.text = databaseFile.databaseAlias
 
         // File path
-        holder.filePath.text = UriUtil.decode(fileDatabaseInfo.fileUri?.toString())
+        holder.filePath.text = databaseFile.databaseDecodedPath
 
-        if (fileDatabaseInfo.exists) {
-            holder.fileInformation.clearColorFilter()
+        if (databaseFile.databaseFileExists) {
+            holder.fileInformationButton.clearColorFilter()
         } else {
-            holder.fileInformation.setColorFilter(Color.RED, PorterDuff.Mode.MULTIPLY)
+            holder.fileInformationButton.setColorFilter(Color.RED, PorterDuff.Mode.MULTIPLY)
         }
 
         // Modification
-        fileDatabaseInfo.getModificationString()?.let {
+        databaseFile.databaseLastModified?.let {
             holder.fileModification.text = it
-            holder.fileModification.visibility = View.VISIBLE
+            holder.fileModificationContainer.visibility = View.VISIBLE
         } ?: run {
-            holder.fileModification.visibility = View.GONE
+            holder.fileModificationContainer.visibility = View.GONE
         }
 
         // Size
-        fileDatabaseInfo.getSizeString()?.let {
+        databaseFile.databaseSize?.let {
             holder.fileSize.text = it
             holder.fileSize.visibility = View.VISIBLE
         } ?: run {
@@ -107,15 +115,24 @@ class FileDatabaseHistoryAdapter(private val context: Context)
         }
 
         // Click on information
-        val isExpanded = position == mExpandedPosition
-        //This line hides or shows the layout in question
-        holder.fileExpandContainer.visibility = if (isExpanded) View.VISIBLE else View.GONE
+        val isExpanded = databaseFile == mExpandedDatabaseFile
+        // Hides or shows info
+        holder.fileExpandContainer.apply {
+            if (isExpanded) {
+                if (visibility != View.VISIBLE) {
+                    visibility = View.VISIBLE
+                    expand(true, resources.getDimensionPixelSize(R.dimen.item_file_info_height))
+                }
+            } else {
+                collapse(true)
+            }
+        }
 
         // Save alias modification
         holder.fileAliasCloseButton.setOnClickListener {
             // Change the alias
-            fileHistoryEntity.databaseAlias = holder.fileAliasEdit.text.toString()
-            saveAliasListener?.invoke(fileHistoryEntity)
+            databaseFile.databaseAlias = holder.fileAliasEdit.text.toString()
+            saveAliasListener?.invoke(databaseFile)
 
             // Finish save mode
             holder.fileMainSwitcher.showPrevious()
@@ -130,20 +147,22 @@ class FileDatabaseHistoryAdapter(private val context: Context)
         }
 
         holder.fileDeleteButton.setOnClickListener {
-            fileSelectClearListener?.invoke(fileHistoryEntity)
+            fileSelectClearListener?.invoke(databaseFile)
         }
 
         if (isExpanded) {
-            mPreviousExpandedPosition = position
+            mPreviousExpandedDatabaseFile = databaseFile
         }
-
-        holder.fileInformation.setOnClickListener {
-            mExpandedPosition = if (isExpanded) -1 else position
-
+        holder.fileInformationButton.apply {
+            animate().rotation(if (isExpanded) 180F else 0F).start()
+            setOnClickListener {
+                mExpandedDatabaseFile = if (isExpanded) null else databaseFile
                 // Notify change
-            if (mPreviousExpandedPosition < itemCount)
-                notifyItemChanged(mPreviousExpandedPosition)
-            notifyItemChanged(position)
+                val previousExpandedPosition = listDatabaseFiles.indexOf(mPreviousExpandedDatabaseFile)
+                notifyItemChanged(previousExpandedPosition)
+                val expandedPosition = listDatabaseFiles.indexOf(mExpandedDatabaseFile)
+                notifyItemChanged(expandedPosition)
+            }
         }
 
         // Refresh View / Close alias modification if not contains fileAlias
@@ -160,33 +179,68 @@ class FileDatabaseHistoryAdapter(private val context: Context)
         listDatabaseFiles.clear()
     }
 
-    fun addDatabaseFileHistoryList(listFileDatabaseHistoryToAdd: List<FileDatabaseHistoryEntity>) {
+    fun addDatabaseFileHistory(fileDatabaseHistoryToAdd: DatabaseFile) {
+        listDatabaseFiles.add(0, fileDatabaseHistoryToAdd)
+        notifyItemInserted(0)
+    }
+
+    fun updateDatabaseFileHistory(fileDatabaseHistoryToUpdate: DatabaseFile) {
+        val index = listDatabaseFiles.indexOf(fileDatabaseHistoryToUpdate)
+        if (listDatabaseFiles.remove(fileDatabaseHistoryToUpdate)) {
+            listDatabaseFiles.add(index, fileDatabaseHistoryToUpdate)
+            notifyItemChanged(index)
+        }
+    }
+
+    fun deleteDatabaseFileHistory(fileDatabaseHistoryToDelete: DatabaseFile) {
+        val index = listDatabaseFiles.indexOf(fileDatabaseHistoryToDelete)
+        if (listDatabaseFiles.remove(fileDatabaseHistoryToDelete)) {
+            notifyItemRemoved(index)
+        }
+    }
+
+    fun replaceAllDatabaseFileHistoryList(listFileDatabaseHistoryToAdd: List<DatabaseFile>) {
+        if (listDatabaseFiles.isEmpty()) {
+            listFileDatabaseHistoryToAdd.forEach {
+                listDatabaseFiles.add(it)
+                notifyItemInserted(listDatabaseFiles.size)
+            }
+        } else {
             listDatabaseFiles.clear()
             listDatabaseFiles.addAll(listFileDatabaseHistoryToAdd)
+            notifyDataSetChanged()
+        }
     }
 
-    fun deleteDatabaseFileHistory(fileDatabaseHistoryToDelete: FileDatabaseHistoryEntity) {
-        listDatabaseFiles.remove(fileDatabaseHistoryToDelete)
+    fun setDefaultDatabase(databaseUri: Uri?) {
+        val defaultDatabaseFile = listDatabaseFiles.firstOrNull { it.databaseUri == databaseUri }
+        mDefaultDatabaseFile = defaultDatabaseFile
+        notifyDataSetChanged()
     }
 
-    fun setOnFileDatabaseHistoryOpenListener(listener : ((FileDatabaseHistoryEntity)->Unit)?) {
+    fun setOnDefaultDatabaseListener(listener: ((DatabaseFile?) -> Unit)?) {
+        this.defaultDatabaseListener = listener
+    }
+
+    fun setOnFileDatabaseHistoryOpenListener(listener : ((DatabaseFile)->Unit)?) {
         this.fileItemOpenListener = listener
     }
 
-    fun setOnFileDatabaseHistoryDeleteListener(listener : ((FileDatabaseHistoryEntity)->Boolean)?) {
+    fun setOnFileDatabaseHistoryDeleteListener(listener : ((DatabaseFile)->Boolean)?) {
         this.fileSelectClearListener = listener
     }
 
-    fun setOnSaveAliasListener(listener : ((FileDatabaseHistoryEntity)->Unit)?) {
+    fun setOnSaveAliasListener(listener : ((DatabaseFile)->Unit)?) {
         this.saveAliasListener = listener
     }
 
-    inner class FileDatabaseHistoryViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+    class FileDatabaseHistoryViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
 
         var fileContainer: ViewGroup = itemView.findViewById(R.id.file_container_basic_info)
 
+        var defaultFileButton: CompoundButton = itemView.findViewById(R.id.default_file_button)
         var fileAlias: TextView = itemView.findViewById(R.id.file_alias)
-        var fileInformation: ImageView = itemView.findViewById(R.id.file_information)
+        var fileInformationButton: ImageView = itemView.findViewById(R.id.file_information_button)
 
         var fileMainSwitcher: ViewSwitcher = itemView.findViewById(R.id.file_main_switcher)
         var fileAliasEdit: EditText = itemView.findViewById(R.id.file_alias_edit)
@@ -196,6 +250,7 @@ class FileDatabaseHistoryAdapter(private val context: Context)
         var fileModifyButton: ImageView = itemView.findViewById(R.id.file_modify_button)
         var fileDeleteButton: ImageView = itemView.findViewById(R.id.file_delete_button)
         var filePath: TextView = itemView.findViewById(R.id.file_path)
+        var fileModificationContainer: ViewGroup = itemView.findViewById(R.id.file_modification_container)
         var fileModification: TextView = itemView.findViewById(R.id.file_modification)
         var fileSize: TextView = itemView.findViewById(R.id.file_size)
     }

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

@@ -338,6 +338,9 @@ class NodeAdapter (private val context: Context)
                 }
             }
 
+            holder.attachmentIcon?.visibility =
+                    if (entry.containsAttachment()) View.VISIBLE else View.GONE
+
             mDatabase.stopManageEntry(entry)
         }
 
@@ -391,6 +394,7 @@ class NodeAdapter (private val context: Context)
         var text: TextView = itemView.findViewById(R.id.node_text)
         var subText: TextView = itemView.findViewById(R.id.node_subtext)
         var numberChildren: TextView? = itemView.findViewById(R.id.node_child_numbers)
+        var attachmentIcon: ImageView? = itemView.findViewById(R.id.node_attachment_icon)
     }
 
     companion object {

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

@@ -32,7 +32,7 @@ class CipherDatabaseAction(applicationContext: Context) {
 
     fun getCipherDatabase(databaseUri: Uri,
                           cipherDatabaseResultListener: (CipherDatabaseEntity?) -> Unit) {
-        ActionDatabaseAsyncTask(
+        IOActionTask(
                 {
                     cipherDatabaseDao.getByDatabaseUri(databaseUri.toString())
                 },
@@ -51,7 +51,7 @@ class CipherDatabaseAction(applicationContext: Context) {
 
     fun addOrUpdateCipherDatabase(cipherDatabaseEntity: CipherDatabaseEntity,
                                   cipherDatabaseResultListener: (() -> Unit)? = null) {
-        ActionDatabaseAsyncTask(
+        IOActionTask(
                 {
                     val cipherDatabaseRetrieve = cipherDatabaseDao.getByDatabaseUri(cipherDatabaseEntity.databaseUri)
 
@@ -70,7 +70,7 @@ class CipherDatabaseAction(applicationContext: Context) {
 
     fun deleteByDatabaseUri(databaseUri: Uri,
                             cipherDatabaseResultListener: (() -> Unit)? = null) {
-        ActionDatabaseAsyncTask(
+        IOActionTask(
                 {
                     cipherDatabaseDao.deleteByDatabaseUri(databaseUri.toString())
                 },
@@ -81,7 +81,7 @@ class CipherDatabaseAction(applicationContext: Context) {
     }
 
     fun deleteAll() {
-        ActionDatabaseAsyncTask(
+        IOActionTask(
                 {
                     cipherDatabaseDao.deleteAll()
                 }

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

@@ -21,31 +21,44 @@ package com.kunzisoft.keepass.app.database
 
 import android.content.Context
 import android.net.Uri
+import com.kunzisoft.keepass.model.DatabaseFile
+import com.kunzisoft.keepass.settings.PreferencesUtil
 import com.kunzisoft.keepass.utils.SingletonHolderParameter
 import com.kunzisoft.keepass.utils.UriUtil
+import com.kunzisoft.keepass.viewmodels.FileDatabaseInfo
 
-class FileDatabaseHistoryAction(applicationContext: Context) {
+class FileDatabaseHistoryAction(private val applicationContext: Context) {
 
     private val databaseFileHistoryDao =
             AppDatabase
                 .getDatabase(applicationContext)
                 .fileDatabaseHistoryDao()
 
-    fun getFileDatabaseHistory(databaseUri: Uri,
-                               fileHistoryResultListener: (fileDatabaseHistoryResult: FileDatabaseHistoryEntity?) -> Unit) {
-        ActionDatabaseAsyncTask(
+    fun getDatabaseFile(databaseUri: Uri,
+                        databaseFileResult: (DatabaseFile?) -> Unit) {
+        IOActionTask(
                 {
-                    databaseFileHistoryDao.getByDatabaseUri(databaseUri.toString())
+                    val fileDatabaseHistoryEntity = databaseFileHistoryDao.getByDatabaseUri(databaseUri.toString())
+                    val fileDatabaseInfo = FileDatabaseInfo(applicationContext, databaseUri)
+                    DatabaseFile(
+                            databaseUri,
+                            UriUtil.parse(fileDatabaseHistoryEntity?.keyFileUri),
+                            UriUtil.decode(fileDatabaseHistoryEntity?.databaseUri),
+                            fileDatabaseInfo.retrieveDatabaseAlias(fileDatabaseHistoryEntity?.databaseAlias ?: ""),
+                            fileDatabaseInfo.exists,
+                            fileDatabaseInfo.getModificationString(),
+                            fileDatabaseInfo.getSizeString()
+                    )
                 },
                 {
-                    fileHistoryResultListener.invoke(it)
+                    databaseFileResult.invoke(it)
                 }
         ).execute()
     }
 
     fun getKeyFileUriByDatabaseUri(databaseUri: Uri,
                                    keyFileUriResultListener: (Uri?) -> Unit) {
-        ActionDatabaseAsyncTask(
+        IOActionTask(
                 {
                     databaseFileHistoryDao.getByDatabaseUri(databaseUri.toString())
                 },
@@ -59,61 +72,120 @@ class FileDatabaseHistoryAction(applicationContext: Context) {
         ).execute()
     }
 
-    fun getAllFileDatabaseHistories(fileHistoryResultListener: (fileDatabaseHistoryResult: List<FileDatabaseHistoryEntity>?) -> Unit) {
-        ActionDatabaseAsyncTask(
+    fun getDatabaseFileList(databaseFileListResult: (List<DatabaseFile>) -> Unit) {
+        IOActionTask(
                 {
-                    databaseFileHistoryDao.getAll()
+                    val hideBrokenLocations = PreferencesUtil.hideBrokenLocations(applicationContext)
+                    // Show only uri accessible
+                    val databaseFileListLoaded = ArrayList<DatabaseFile>()
+                    databaseFileHistoryDao.getAll().forEach { fileDatabaseHistoryEntity ->
+                        val fileDatabaseInfo = FileDatabaseInfo(applicationContext, fileDatabaseHistoryEntity.databaseUri)
+                        if (hideBrokenLocations && fileDatabaseInfo.exists
+                                || !hideBrokenLocations) {
+                            databaseFileListLoaded.add(
+                                    DatabaseFile(
+                                            UriUtil.parse(fileDatabaseHistoryEntity.databaseUri),
+                                            UriUtil.parse(fileDatabaseHistoryEntity.keyFileUri),
+                                            UriUtil.decode(fileDatabaseHistoryEntity.databaseUri),
+                                            fileDatabaseInfo.retrieveDatabaseAlias(fileDatabaseHistoryEntity.databaseAlias),
+                                            fileDatabaseInfo.exists,
+                                            fileDatabaseInfo.getModificationString(),
+                                            fileDatabaseInfo.getSizeString()
+                                    )
+                            )
+                        }
+                    }
+                    databaseFileListLoaded
                 },
                 {
-                    fileHistoryResultListener.invoke(it)
+                    databaseFileList ->
+                    databaseFileList?.let {
+                        databaseFileListResult.invoke(it)
+                    }
                 }
         ).execute()
     }
 
-    fun addOrUpdateDatabaseUri(databaseUri: Uri, keyFileUri: Uri? = null) {
-        addOrUpdateFileDatabaseHistory(FileDatabaseHistoryEntity(
-                databaseUri.toString(),
-                "",
-                keyFileUri?.toString(),
-                System.currentTimeMillis()
-        ), true)
+    fun addOrUpdateDatabaseUri(databaseUri: Uri, keyFileUri: Uri? = null,
+                               databaseFileAddedOrUpdatedResult: ((DatabaseFile?) -> Unit)? = null) {
+        addOrUpdateDatabaseFile(DatabaseFile(
+                databaseUri,
+                keyFileUri
+        ), databaseFileAddedOrUpdatedResult)
     }
 
-    fun addOrUpdateFileDatabaseHistory(fileDatabaseHistory: FileDatabaseHistoryEntity, unmodifiedAlias: Boolean = false) {
-        ActionDatabaseAsyncTask(
+    fun addOrUpdateDatabaseFile(databaseFileToAddOrUpdate: DatabaseFile,
+                                databaseFileAddedOrUpdatedResult: ((DatabaseFile?) -> Unit)? = null) {
+        IOActionTask(
                 {
-                    val fileDatabaseHistoryRetrieve = databaseFileHistoryDao.getByDatabaseUri(fileDatabaseHistory.databaseUri)
+                    databaseFileToAddOrUpdate.databaseUri?.let { databaseUri ->
+                        // Try to get info in database first
+                        val fileDatabaseHistoryRetrieve = databaseFileHistoryDao.getByDatabaseUri(databaseUri.toString())
+
+                        // Complete alias if not exists
+                        val fileDatabaseHistory = FileDatabaseHistoryEntity(
+                                databaseUri.toString(),
+                                databaseFileToAddOrUpdate.databaseAlias
+                                        ?: fileDatabaseHistoryRetrieve?.databaseAlias
+                                        ?: "",
+                                databaseFileToAddOrUpdate.keyFileUri?.toString(),
+                                System.currentTimeMillis()
+                        )
 
-                    if (unmodifiedAlias) {
-                        fileDatabaseHistory.databaseAlias = fileDatabaseHistoryRetrieve?.databaseAlias ?: ""
-                    }
                         // Update values if history element not yet in the database
                         if (fileDatabaseHistoryRetrieve == null) {
                             databaseFileHistoryDao.add(fileDatabaseHistory)
                         } else {
                             databaseFileHistoryDao.update(fileDatabaseHistory)
                         }
+
+                        val fileDatabaseInfo = FileDatabaseInfo(applicationContext,
+                                fileDatabaseHistory.databaseUri)
+                        DatabaseFile(
+                                UriUtil.parse(fileDatabaseHistory.databaseUri),
+                                UriUtil.parse(fileDatabaseHistory.keyFileUri),
+                                UriUtil.decode(fileDatabaseHistory.databaseUri),
+                                fileDatabaseInfo.retrieveDatabaseAlias(fileDatabaseHistory.databaseAlias),
+                                fileDatabaseInfo.exists,
+                                fileDatabaseInfo.getModificationString(),
+                                fileDatabaseInfo.getSizeString()
+                        )
+                    }
+                },
+                {
+                    databaseFileAddedOrUpdatedResult?.invoke(it)
                 }
         ).execute()
     }
 
-    fun deleteFileDatabaseHistory(fileDatabaseHistory: FileDatabaseHistoryEntity,
-                                  fileHistoryDeletedResult: (FileDatabaseHistoryEntity?) -> Unit) {
-        ActionDatabaseAsyncTask(
+    fun deleteDatabaseFile(databaseFileToDelete: DatabaseFile,
+                           databaseFileDeletedResult: (DatabaseFile?) -> Unit) {
+        IOActionTask(
                 {
-                    databaseFileHistoryDao.delete(fileDatabaseHistory)
+                    databaseFileToDelete.databaseUri?.let { databaseUri ->
+                        databaseFileHistoryDao.getByDatabaseUri(databaseUri.toString())?.let { fileDatabaseHistory ->
+                            val returnValue = databaseFileHistoryDao.delete(fileDatabaseHistory)
+                            if (returnValue > 0) {
+                                DatabaseFile(
+                                        UriUtil.parse(fileDatabaseHistory.databaseUri),
+                                        UriUtil.parse(fileDatabaseHistory.keyFileUri),
+                                        UriUtil.decode(fileDatabaseHistory.databaseUri),
+                                        databaseFileToDelete.databaseAlias
+                                )
+                            } else {
+                                null
+                            }
+                        }
+                    }
                 },
                 {
-                    if (it != null && it > 0)
-                        fileHistoryDeletedResult.invoke(fileDatabaseHistory)
-                    else
-                        fileHistoryDeletedResult.invoke(null)
+                    databaseFileDeletedResult.invoke(it)
                 }
         ).execute()
     }
 
     fun deleteKeyFileByDatabaseUri(databaseUri: Uri) {
-        ActionDatabaseAsyncTask(
+        IOActionTask(
                 {
                     databaseFileHistoryDao.deleteKeyFileByDatabaseUri(databaseUri.toString())
                 }
@@ -121,7 +193,7 @@ class FileDatabaseHistoryAction(applicationContext: Context) {
     }
 
     fun deleteAllKeyFiles() {
-        ActionDatabaseAsyncTask(
+        IOActionTask(
                 {
                     databaseFileHistoryDao.deleteAllKeyFiles()
                 }
@@ -129,7 +201,7 @@ class FileDatabaseHistoryAction(applicationContext: Context) {
     }
 
     fun deleteAll() {
-        ActionDatabaseAsyncTask(
+        IOActionTask(
                 {
                     databaseFileHistoryDao.deleteAll()
                 }

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

@@ -19,21 +19,27 @@
  */
 package com.kunzisoft.keepass.app.database
 
-import android.os.AsyncTask
+import kotlinx.coroutines.*
 
 /**
- * Private class to invoke each method in a separate thread
+ * Class to invoke action in a separate IO thread
  */
-class ActionDatabaseAsyncTask<T>(
+class IOActionTask<T>(
         private val action: () -> T ,
-        private val afterActionDatabaseListener: ((T?) -> Unit)? = null
-) : AsyncTask<Void, Void, T>() {
+        private val afterActionDatabaseListener: ((T?) -> Unit)? = null) {
 
-    override fun doInBackground(vararg args: Void?): T? {
-        return action.invoke()
-    }
+    private val mainScope = CoroutineScope(Dispatchers.Main)
 
-    override fun onPostExecute(result: T?) {
-        afterActionDatabaseListener?.invoke(result)
+    fun execute() {
+        mainScope.launch {
+            withContext(Dispatchers.IO) {
+                val asyncResult: Deferred<T?> = async {
+                    action.invoke()
+                }
+                withContext(Dispatchers.Main) {
+                    afterActionDatabaseListener?.invoke(asyncResult.await())
+                }
+            }
+        }
     }
 }

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

@@ -26,6 +26,7 @@ import android.provider.Settings
 import android.util.Log
 import android.view.Menu
 import android.view.MenuInflater
+import android.view.View
 import android.widget.CompoundButton
 import android.widget.TextView
 import androidx.annotation.RequiresApi
@@ -334,7 +335,9 @@ class AdvancedUnlockedManager(var context: FragmentActivity,
     }
 
     private fun showFingerPrintViews(show: Boolean) {
-        context.runOnUiThread { advancedUnlockInfoView?.hide = !show }
+        context.runOnUiThread {
+            advancedUnlockInfoView?.visibility = if (show) View.VISIBLE else View.GONE
+        }
     }
 
     private fun setAdvancedUnlockedTitleView(textId: Int) {

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

@@ -37,7 +37,7 @@ open class AssignPasswordInDatabaseRunnable (
     : SaveDatabaseRunnable(context, database, true) {
 
     private var mMasterPassword: String? = null
-    protected var mKeyFile: Uri? = null
+    protected var mKeyFileUri: Uri? = null
 
     private var mBackupKey: ByteArray? = null
 
@@ -45,7 +45,7 @@ open class AssignPasswordInDatabaseRunnable (
         if (withMasterPassword)
             this.mMasterPassword = masterPassword
         if (withKeyFile)
-            this.mKeyFile = keyFile
+            this.mKeyFileUri = keyFile
     }
 
     override fun onStartRun() {
@@ -55,7 +55,7 @@ open class AssignPasswordInDatabaseRunnable (
             mBackupKey = ByteArray(database.masterKey.size)
             System.arraycopy(database.masterKey, 0, mBackupKey!!, 0, mBackupKey!!.size)
 
-            val uriInputStream = UriUtil.getUriInputStream(context.contentResolver, mKeyFile)
+            val uriInputStream = UriUtil.getUriInputStream(context.contentResolver, mKeyFileUri)
             database.retrieveMasterKey(mMasterPassword, uriInputStream)
         } catch (e: Exception) {
             erase(mBackupKey)

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

@@ -34,7 +34,8 @@ class CreateDatabaseRunnable(context: Context,
                              withMasterPassword: Boolean,
                              masterPassword: String?,
                              withKeyFile: Boolean,
-                             keyFile: Uri?)
+                             keyFile: Uri?,
+                             private val createDatabaseResult: ((Result) -> Unit)?)
     : AssignPasswordInDatabaseRunnable(context, mDatabase, databaseUri, withMasterPassword, masterPassword, withKeyFile, keyFile) {
 
     override fun onStartRun() {
@@ -42,29 +43,36 @@ class CreateDatabaseRunnable(context: Context,
             // Create new database record
             mDatabase.apply {
                 createData(mDatabaseUri, databaseName, rootName)
-                // Set Database state
-                loaded = true
             }
         } catch (e: Exception) {
-            mDatabase.closeAndClear()
+            mDatabase.closeAndClear(context.applicationContext.filesDir)
             setError(e)
         }
 
         super.onStartRun()
     }
 
-    override fun onFinishRun() {
-        super.onFinishRun()
+    override fun onActionRun() {
+        super.onActionRun()
 
         if (result.isSuccess) {
             // Add database to recent files
             if (PreferencesUtil.rememberDatabaseLocations(context)) {
                 FileDatabaseHistoryAction.getInstance(context.applicationContext)
                         .addOrUpdateDatabaseUri(mDatabaseUri,
-                                if (PreferencesUtil.rememberKeyFileLocations(context)) mKeyFile else null)
+                                if (PreferencesUtil.rememberKeyFileLocations(context)) mKeyFileUri else null)
             }
+
+            // Register the current time to init the lock timer
+            PreferencesUtil.saveCurrentTime(context)
         } else {
             Log.e("CreateDatabaseRunnable", "Unable to create the database")
         }
     }
+
+    override fun onFinishRun() {
+        super.onFinishRun()
+
+        createDatabaseResult?.invoke(result)
+    }
 }

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

@@ -40,14 +40,12 @@ class LoadDatabaseRunnable(private val context: Context,
                            private val mCipherEntity: CipherDatabaseEntity?,
                            private val mFixDuplicateUUID: Boolean,
                            private val progressTaskUpdater: ProgressTaskUpdater?,
-                           private val mDuplicateUuidAction: ((Result) -> Unit)?)
+                           private val mLoadDatabaseResult: ((Result) -> Unit)?)
     : ActionRunnable() {
 
-    private val cacheDirectory = context.applicationContext.filesDir
-
     override fun onStartRun() {
         // Clear before we load
-        mDatabase.closeAndClear(cacheDirectory)
+        mDatabase.closeAndClear(context.applicationContext.filesDir)
     }
 
     override fun onActionRun() {
@@ -55,20 +53,17 @@ class LoadDatabaseRunnable(private val context: Context,
             mDatabase.loadData(mUri, mPass, mKey,
                     mReadonly,
                     context.contentResolver,
-                    cacheDirectory,
+                    context.applicationContext.filesDir,
                     mFixDuplicateUUID,
                     progressTaskUpdater)
         }
         catch (e: DuplicateUuidDatabaseException) {
-            mDuplicateUuidAction?.invoke(result)
             setError(e)
         }
         catch (e: LoadDatabaseException) {
             setError(e)
         }
-    }
 
-    override fun onFinishRun() {
         if (result.isSuccess) {
             // Save keyFile in app database
             if (PreferencesUtil.rememberDatabaseLocations(context)) {
@@ -86,7 +81,11 @@ class LoadDatabaseRunnable(private val context: Context,
             // Register the current time to init the lock timer
             PreferencesUtil.saveCurrentTime(context)
         } else {
-            mDatabase.closeAndClear(cacheDirectory)
+            mDatabase.closeAndClear(context.applicationContext.filesDir)
         }
     }
+
+    override fun onFinishRun() {
+        mLoadDatabaseResult?.invoke(result)
+    }
 }

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

@@ -23,7 +23,6 @@ import android.content.*
 import android.content.Context.BIND_ABOVE_CLIENT
 import android.content.Context.BIND_NOT_FOREGROUND
 import android.net.Uri
-import android.os.Build
 import android.os.Bundle
 import android.os.IBinder
 import androidx.fragment.app.FragmentActivity
@@ -46,6 +45,7 @@ import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Compa
 import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_DELETE_NODES_TASK
 import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_LOAD_TASK
 import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_MOVE_NODES_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_REMOVE_UNLINKED_DATA_TASK
 import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_RESTORE_ENTRY_HISTORY
 import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_SAVE
 import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_COLOR_TASK
@@ -71,12 +71,12 @@ import com.kunzisoft.keepass.utils.DATABASE_STOP_TASK_ACTION
 import java.util.*
 import kotlin.collections.ArrayList
 
-class ProgressDialogThread(private val activity: FragmentActivity) {
+class ProgressDatabaseTaskProvider(private val activity: FragmentActivity) {
 
     var onActionFinish: ((actionTask: String,
                           result: ActionRunnable.Result) -> Unit)? = null
 
-    private var intentDatabaseTask = Intent(activity, DatabaseTaskNotificationService::class.java)
+    private var intentDatabaseTask = Intent(activity.applicationContext, DatabaseTaskNotificationService::class.java)
 
     private var databaseTaskBroadcastReceiver: BroadcastReceiver? = null
     private var mBinder: DatabaseTaskNotificationService.ActionTaskBinder? = null
@@ -219,12 +219,8 @@ class ProgressDialogThread(private val activity: FragmentActivity) {
         if (bundle != null)
             intentDatabaseTask.putExtras(bundle)
         intentDatabaseTask.action = actionTask
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            activity.startForegroundService(intentDatabaseTask)
-        } else {
         activity.startService(intentDatabaseTask)
     }
-    }
 
     /*
       ----
@@ -242,7 +238,7 @@ class ProgressDialogThread(private val activity: FragmentActivity) {
             putBoolean(DatabaseTaskNotificationService.MASTER_PASSWORD_CHECKED_KEY, masterPasswordChecked)
             putString(DatabaseTaskNotificationService.MASTER_PASSWORD_KEY, masterPassword)
             putBoolean(DatabaseTaskNotificationService.KEY_FILE_CHECKED_KEY, keyFileChecked)
-            putParcelable(DatabaseTaskNotificationService.KEY_FILE_KEY, keyFile)
+            putParcelable(DatabaseTaskNotificationService.KEY_FILE_URI_KEY, keyFile)
         }
                 , ACTION_DATABASE_CREATE_TASK)
     }
@@ -256,7 +252,7 @@ class ProgressDialogThread(private val activity: FragmentActivity) {
         start(Bundle().apply {
             putParcelable(DatabaseTaskNotificationService.DATABASE_URI_KEY, databaseUri)
             putString(DatabaseTaskNotificationService.MASTER_PASSWORD_KEY, masterPassword)
-            putParcelable(DatabaseTaskNotificationService.KEY_FILE_KEY, keyFile)
+            putParcelable(DatabaseTaskNotificationService.KEY_FILE_URI_KEY, keyFile)
             putBoolean(DatabaseTaskNotificationService.READ_ONLY_KEY, readOnly)
             putParcelable(DatabaseTaskNotificationService.CIPHER_ENTITY_KEY, cipherEntity)
             putBoolean(DatabaseTaskNotificationService.FIX_DUPLICATE_UUID_KEY, fixDuplicateUuid)
@@ -275,7 +271,7 @@ class ProgressDialogThread(private val activity: FragmentActivity) {
             putBoolean(DatabaseTaskNotificationService.MASTER_PASSWORD_CHECKED_KEY, masterPasswordChecked)
             putString(DatabaseTaskNotificationService.MASTER_PASSWORD_KEY, masterPassword)
             putBoolean(DatabaseTaskNotificationService.KEY_FILE_CHECKED_KEY, keyFileChecked)
-            putParcelable(DatabaseTaskNotificationService.KEY_FILE_KEY, keyFile)
+            putParcelable(DatabaseTaskNotificationService.KEY_FILE_URI_KEY, keyFile)
         }
                 , ACTION_DATABASE_ASSIGN_PASSWORD_TASK)
     }
@@ -467,6 +463,13 @@ class ProgressDialogThread(private val activity: FragmentActivity) {
                 , ACTION_DATABASE_UPDATE_COMPRESSION_TASK)
     }
 
+    fun startDatabaseRemoveUnlinkedData(save: Boolean) {
+        start(Bundle().apply {
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_REMOVE_UNLINKED_DATA_TASK)
+    }
+
     fun startDatabaseSaveMaxHistoryItems(oldMaxHistoryItems: Int,
                                          newMaxHistoryItems: Int,
                                          save: Boolean) {

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

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2020 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.database.action
+
+import android.content.Context
+import com.kunzisoft.keepass.database.element.Database
+
+class RemoveUnlinkedDataDatabaseRunnable (
+        context: Context,
+        database: Database,
+        saveDatabase: Boolean)
+    : SaveDatabaseRunnable(context, database, saveDatabase) {
+
+    override fun onActionRun() {
+        try {
+            database.removeUnlinkedAttachments()
+        } catch (e: Exception) {
+            setError(e)
+        }
+
+        super.onActionRun()
+    }
+}

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

@@ -34,7 +34,7 @@ class DeleteEntryHistoryDatabaseRunnable (
 
     override fun onStartRun() {
         try {
-            mainEntry.removeEntryFromHistory(entryHistoryPosition)
+            database.removeEntryHistory(mainEntry, entryHistoryPosition)
         } catch (e: Exception) {
             setError(e)
         }

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

@@ -64,6 +64,10 @@ class DeleteNodesRunnable(context: Context,
                     } else {
                         database.deleteEntry(currentNode)
                     }
+                    // Remove the oldest attachments
+                    currentNode.getAttachments(database.binaryPool).forEach {
+                        database.removeAttachmentIfNotUsed(it)
+                    }
                 }
             }
         }

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

@@ -20,6 +20,7 @@
 package com.kunzisoft.keepass.database.action.node
 
 import android.content.Context
+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.node.Node
@@ -40,16 +41,34 @@ class UpdateEntryRunnable constructor(
         // WARNING : Re attribute parent removed in entry edit activity to save memory
         mNewEntry.addParentFrom(mOldEntry)
 
+        // Build oldest attachments
+        val oldEntryAttachments = mOldEntry.getAttachments(database.binaryPool, true)
+        val newEntryAttachments = mNewEntry.getAttachments(database.binaryPool, true)
+        val attachmentsToRemove = ArrayList<Attachment>(oldEntryAttachments)
+        // Not use equals because only check name
+        newEntryAttachments.forEach { newAttachment ->
+            oldEntryAttachments.forEach { oldAttachment ->
+                if (oldAttachment.name == newAttachment.name
+                        && oldAttachment.binaryAttachment == newAttachment.binaryAttachment)
+                    attachmentsToRemove.remove(oldAttachment)
+            }
+        }
+
         // Update entry with new values
         mOldEntry.updateWith(mNewEntry)
         mNewEntry.touch(modified = true, touchParents = true)
 
         // Create an entry history (an entry history don't have history)
         mOldEntry.addEntryToHistory(Entry(mBackupEntryHistory, copyHistory = false))
-        database.removeOldestEntryHistory(mOldEntry)
+        database.removeOldestEntryHistory(mOldEntry, database.binaryPool)
 
         // Only change data in index
         database.updateEntry(mOldEntry)
+
+        // Remove oldest attachments
+        attachmentsToRemove.forEach {
+            database.removeAttachmentIfNotUsed(it)
+        }
     }
 
     override fun nodeFinish(): ActionNodesValues {

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

@@ -0,0 +1,69 @@
+/*
+ * 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.database.element
+
+import android.os.Parcel
+import android.os.Parcelable
+import com.kunzisoft.keepass.database.element.database.BinaryAttachment
+
+data class Attachment(var name: String,
+                      var binaryAttachment: BinaryAttachment) : Parcelable {
+
+    constructor(parcel: Parcel) : this(
+            parcel.readString() ?: "",
+            parcel.readParcelable(BinaryAttachment::class.java.classLoader) ?: BinaryAttachment()
+    )
+
+    override fun writeToParcel(parcel: Parcel, flags: Int) {
+        parcel.writeString(name)
+        parcel.writeParcelable(binaryAttachment, flags)
+    }
+
+    override fun describeContents(): Int {
+        return 0
+    }
+
+    override fun toString(): String {
+        return "$name at $binaryAttachment"
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other !is Attachment) return false
+
+        if (name != other.name) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        return name.hashCode()
+    }
+
+    companion object CREATOR : Parcelable.Creator<Attachment> {
+        override fun createFromParcel(parcel: Parcel): Attachment {
+            return Attachment(parcel)
+        }
+
+        override fun newArray(size: Int): Array<Attachment?> {
+            return arrayOfNulls(size)
+        }
+    }
+}

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

@@ -25,9 +25,7 @@ import android.net.Uri
 import android.util.Log
 import com.kunzisoft.keepass.crypto.keyDerivation.KdfEngine
 import com.kunzisoft.keepass.database.action.node.NodeHandler
-import com.kunzisoft.keepass.database.element.database.CompressionAlgorithm
-import com.kunzisoft.keepass.database.element.database.DatabaseKDB
-import com.kunzisoft.keepass.database.element.database.DatabaseKDBX
+import com.kunzisoft.keepass.database.element.database.*
 import com.kunzisoft.keepass.database.element.icon.IconImageFactory
 import com.kunzisoft.keepass.database.element.node.NodeId
 import com.kunzisoft.keepass.database.element.node.NodeIdInt
@@ -52,6 +50,7 @@ import com.kunzisoft.keepass.utils.SingletonHolder
 import com.kunzisoft.keepass.utils.UriUtil
 import java.io.*
 import java.util.*
+import kotlin.collections.ArrayList
 
 
 class Database {
@@ -70,6 +69,13 @@ class Database {
     val drawFactory = IconDrawableFactory()
 
     var loaded = false
+        set(value) {
+            field = value
+            loadTimestamp = if (field) System.currentTimeMillis() else null
+        }
+
+    var loadTimestamp: Long? = null
+        private set
 
     val iconFactory: IconImageFactory
         get() {
@@ -150,6 +156,17 @@ class Database {
             }
         }
 
+    fun compressionForNewEntry(): Boolean {
+        if (mDatabaseKDB != null)
+            return false
+        // Default compression not necessary if stored in header
+        mDatabaseKDBX?.let {
+            return it.compressionAlgorithm == CompressionAlgorithm.GZip
+                    && it.kdbxVersion.toKotlinLong() < DatabaseHeaderKDBX.FILE_VERSION_32_4.toKotlinLong()
+        }
+        return false
+    }
+
     fun updateDataBinaryCompression(oldCompression: CompressionAlgorithm,
                                     newCompression: CompressionAlgorithm) {
         mDatabaseKDBX?.changeBinaryCompression(oldCompression, newCompression)
@@ -261,14 +278,14 @@ class Database {
         }
 
     /**
-     * Determine if RecycleBin is available or not for this version of database
-     * @return true if RecycleBin available
+     * Determine if a configurable RecycleBin is available or not for this version of database
+     * @return true if a configurable RecycleBin available
      */
-    val allowRecycleBin: Boolean
+    val allowConfigurableRecycleBin: Boolean
         get() = mDatabaseKDBX != null
 
     var isRecycleBinEnabled: Boolean
-        // TODO #394 isRecycleBinEnabled mDatabaseKDB
+        // Backup is always enabled in KDB database
         get() = mDatabaseKDB != null || mDatabaseKDBX?.isRecycleBinEnabled ?: false
         set(value) {
             mDatabaseKDBX?.isRecycleBinEnabled = value
@@ -286,12 +303,12 @@ class Database {
         }
 
     fun ensureRecycleBinExists(resources: Resources) {
-        mDatabaseKDB?.ensureRecycleBinExists()
+        mDatabaseKDB?.ensureBackupExists()
         mDatabaseKDBX?.ensureRecycleBinExists(resources)
     }
 
     fun removeRecycleBin() {
-        // TODO #394 delete backup mDatabaseKDB?.removeRecycleBin()
+        // Don't allow remove backup in KDB
         mDatabaseKDBX?.removeRecycleBin()
     }
 
@@ -308,6 +325,8 @@ class Database {
     fun createData(databaseUri: Uri, databaseName: String, rootName: String) {
         setDatabaseKDBX(DatabaseKDBX(databaseName, rootName))
         this.fileUri = databaseUri
+        // Set Database state
+        this.loaded = true
     }
 
     @Throws(LoadDatabaseException::class)
@@ -419,6 +438,38 @@ class Database {
         }, omitBackup, max)
     }
 
+    val binaryPool: BinaryPool
+        get() {
+            return mDatabaseKDBX?.binaryPool ?: BinaryPool()
+        }
+
+    val allowMultipleAttachments: Boolean
+        get() {
+            if (mDatabaseKDB != null)
+                return false
+            if (mDatabaseKDBX != null)
+                return true
+            return false
+        }
+
+    fun buildNewBinary(cacheDirectory: File,
+                       enableProtection: Boolean = false,
+                       compressed: Boolean = false): BinaryAttachment? {
+        return mDatabaseKDB?.buildNewBinary(cacheDirectory)
+                ?: mDatabaseKDBX?.buildNewBinary(cacheDirectory, enableProtection, compressed)
+    }
+
+    fun removeAttachmentIfNotUsed(attachment: Attachment) {
+        // No need in KDB database because unique attachment by entry
+        // Don't clear to fix upload multiple times
+        mDatabaseKDBX?.removeUnlinkedAttachment(attachment.binaryAttachment, false)
+    }
+
+    fun removeUnlinkedAttachments() {
+        // No check in database KDB because unique attachment by entry
+        mDatabaseKDBX?.removeUnlinkedAttachments(true)
+    }
+
     @Throws(DatabaseOutputException::class)
     fun saveData(contentResolver: ContentResolver) {
         try {
@@ -464,7 +515,7 @@ class Database {
         } else {
             var outputStream: OutputStream? = null
             try {
-                outputStream = contentResolver.openOutputStream(uri)
+                outputStream = contentResolver.openOutputStream(uri, "rwt")
                 outputStream?.let { definedOutputStream ->
                     val databaseOutput = mDatabaseKDB?.let { DatabaseOutputKDB(it, definedOutputStream) }
                                     ?: mDatabaseKDBX?.let { DatabaseOutputKDBX(it, definedOutputStream) }
@@ -709,7 +760,7 @@ class Database {
     fun canRecycle(entry: Entry): Boolean {
         var canRecycle: Boolean? = null
         entry.entryKDB?.let {
-            canRecycle = mDatabaseKDB?.canRecycle()
+            canRecycle = mDatabaseKDB?.canRecycle(it)
         }
         entry.entryKDBX?.let {
             canRecycle = mDatabaseKDBX?.canRecycle(it)
@@ -720,7 +771,7 @@ class Database {
     fun canRecycle(group: Group): Boolean {
         var canRecycle: Boolean? = null
         group.groupKDB?.let {
-            canRecycle = mDatabaseKDB?.canRecycle()
+            canRecycle = mDatabaseKDB?.canRecycle(it)
         }
         group.groupKDBX?.let {
             canRecycle = mDatabaseKDBX?.canRecycle(it)
@@ -772,18 +823,25 @@ class Database {
         }
     }
 
-    fun startManageEntry(entry: Entry) {
+    fun startManageEntry(entry: Entry?) {
         mDatabaseKDBX?.let {
-            entry.startToManageFieldReferences(it)
+            entry?.startToManageFieldReferences(it)
         }
     }
 
-    fun stopManageEntry(entry: Entry) {
+    fun stopManageEntry(entry: Entry?) {
         mDatabaseKDBX?.let {
-            entry.stopToManageFieldReferences()
+            entry?.stopToManageFieldReferences()
         }
     }
 
+    /**
+     * @return true if database allows custom field
+     */
+    fun allowEntryCustomFields(): Boolean {
+        return mDatabaseKDBX != null
+    }
+
     /**
      * Remove oldest history for each entry if more than max items or max memory
      */
@@ -791,7 +849,7 @@ class Database {
         rootGroup?.doForEachChildAndForIt(
                 object : NodeHandler<Entry>() {
                     override fun operate(node: Entry): Boolean {
-                        removeOldestEntryHistory(node)
+                        removeOldestEntryHistory(node, binaryPool)
                         return true
                     }
                 },
@@ -799,34 +857,19 @@ class Database {
                     override fun operate(node: Group): Boolean {
                         return true
                     }
-                })
                 }
-
-    fun removeEachEntryHistory() {
-        rootGroup?.doForEachChildAndForIt(
-                object : NodeHandler<Entry>() {
-                    override fun operate(node: Entry): Boolean {
-                        node.removeAllHistory()
-                        return true
-                    }
-                },
-                object : NodeHandler<Group>() {
-                    override fun operate(node: Group): Boolean {
-                        return true
-                    }
-                })
+        )
     }
 
     /**
      * Remove oldest history if more than max items or max memory
      */
-    fun removeOldestEntryHistory(entry: Entry) {
+    fun removeOldestEntryHistory(entry: Entry, binaryPool: BinaryPool) {
         mDatabaseKDBX?.let {
-
             val maxItems = historyMaxItems
             if (maxItems >= 0) {
                 while (entry.getHistory().size > maxItems) {
-                    entry.removeOldestEntryFromHistory()
+                    removeOldestEntryHistory(entry)
                 }
             }
 
@@ -835,11 +878,10 @@ class Database {
                 while (true) {
                     var historySize: Long = 0
                     for (entryHistory in entry.getHistory()) {
-                        historySize += entryHistory.getSize()
+                        historySize += entryHistory.getSize(binaryPool)
                     }
-
                     if (historySize > maxSize) {
-                        entry.removeOldestEntryFromHistory()
+                        removeOldestEntryHistory(entry)
                     } else {
                         break
                     }
@@ -848,6 +890,22 @@ class Database {
         }
     }
 
+    private fun removeOldestEntryHistory(entry: Entry) {
+        entry.removeOldestEntryFromHistory()?.let {
+            it.getAttachments(binaryPool, false).forEach { attachmentToRemove ->
+                removeAttachmentIfNotUsed(attachmentToRemove)
+            }
+        }
+    }
+
+    fun removeEntryHistory(entry: Entry, entryHistoryPosition: Int) {
+        entry.removeEntryFromHistory(entryHistoryPosition)?.let {
+            it.getAttachments(binaryPool, false).forEach { attachmentToRemove ->
+                removeAttachmentIfNotUsed(attachmentToRemove)
+            }
+        }
+    }
+
     companion object : SingletonHolder<Database>(::Database) {
 
         private val TAG = Database::class.java.name

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

@@ -23,6 +23,8 @@ import android.content.res.Resources
 import android.os.Parcel
 import android.os.Parcelable
 import androidx.core.os.ConfigurationCompat
+import org.joda.time.Duration
+import org.joda.time.Instant
 import java.text.SimpleDateFormat
 import java.util.*
 
@@ -95,6 +97,7 @@ class DateInstant : Parcelable {
     companion object {
 
         val NEVER_EXPIRE = neverExpire
+        val IN_ONE_MONTH = DateInstant(Instant.now().plus(Duration.standardDays(30)).toDate())
         private val dateFormat = SimpleDateFormat.getDateTimeInstance()
 
         private val neverExpire: DateInstant

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

@@ -21,6 +21,7 @@ package com.kunzisoft.keepass.database.element
 
 import android.os.Parcel
 import android.os.Parcelable
+import com.kunzisoft.keepass.database.element.database.BinaryPool
 import com.kunzisoft.keepass.database.element.database.DatabaseKDBX
 import com.kunzisoft.keepass.database.element.entry.EntryKDB
 import com.kunzisoft.keepass.database.element.entry.EntryKDBX
@@ -32,9 +33,6 @@ import com.kunzisoft.keepass.database.element.node.Node
 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.database.element.security.BinaryAttachment
-import com.kunzisoft.keepass.database.element.security.ProtectedString
-import com.kunzisoft.keepass.model.EntryAttachment
 import com.kunzisoft.keepass.model.EntryInfo
 import com.kunzisoft.keepass.model.Field
 import com.kunzisoft.keepass.otp.OtpElement
@@ -285,66 +283,90 @@ class Entry : Node, EntryVersionedInterface<Group> {
         }
 
     /**
-     * Retrieve custom fields to show, key is the label, value is the value of field (protected or not)
+     * Retrieve extra fields to show, key is the label, value is the value of field (protected or not)
      * @return Map of label/value
      */
-    val customFields: HashMap<String, ProtectedString>
-        get() = entryKDBX?.customFields ?: HashMap()
-
-    /**
-     * To redefine if version of entry allow custom field,
-     * @return true if entry allows custom field
-     */
-    fun allowCustomFields(): Boolean {
-        return entryKDBX?.allowCustomFields() ?: false
+    fun getExtraFields(): List<Field> {
+        val extraFields = ArrayList<Field>()
+        entryKDBX?.let {
+            for (field in it.customFields) {
+                extraFields.add(Field(field.key, field.value))
             }
-
-    fun removeAllFields() {
-        entryKDBX?.removeAllFields()
+        }
+        return extraFields
     }
 
     /**
      * Update or add an extra field to the list (standard or custom)
-     * @param label Label of field, must be unique
-     * @param value Value of field
      */
-    fun putExtraField(label: String, value: ProtectedString) {
-        entryKDBX?.putExtraField(label, value)
+    fun putExtraField(field: Field) {
+        entryKDBX?.putExtraField(field.name, field.protectedValue)
+    }
+
+    private fun addExtraFields(fields: List<Field>) {
+        fields.forEach {
+            putExtraField(it)
+        }
+    }
+
+    private fun removeAllFields() {
+        entryKDBX?.removeAllFields()
     }
 
     fun getOtpElement(): OtpElement? {
+        entryKDBX?.let {
             return OtpEntryFields.parseFields { key ->
-            customFields[key]?.toString()
+                it.customFields[key]?.toString()
             }
         }
+        return null
+    }
 
-    fun startToManageFieldReferences(db: DatabaseKDBX) {
-        entryKDBX?.startToManageFieldReferences(db)
+    fun startToManageFieldReferences(database: DatabaseKDBX) {
+        entryKDBX?.startToManageFieldReferences(database)
     }
 
     fun stopToManageFieldReferences() {
         entryKDBX?.stopToManageFieldReferences()
     }
 
-    fun getAttachments(): ArrayList<EntryAttachment> {
-        val attachments = ArrayList<EntryAttachment>()
-
-        val binaryDescriptionKDB = entryKDB?.binaryDescription ?: ""
-        val binaryKDB = entryKDB?.binaryData
-        if (binaryKDB != null) {
-            attachments.add(EntryAttachment(binaryDescriptionKDB, binaryKDB))
+    fun getAttachments(binaryPool: BinaryPool, inHistory: Boolean = false): List<Attachment> {
+        val attachments = ArrayList<Attachment>()
+        entryKDB?.getAttachment()?.let {
+            attachments.add(it)
         }
-
-        val actionEach = object : (Map.Entry<String, BinaryAttachment>)->Unit {
-            override fun invoke(mapEntry: Map.Entry<String, BinaryAttachment>) {
-                attachments.add(EntryAttachment(mapEntry.key, mapEntry.value))
+        entryKDBX?.getAttachments(binaryPool, inHistory)?.let {
+            attachments.addAll(it)
         }
-        }
-        entryKDBX?.binaries?.forEach(actionEach)
-
         return attachments
     }
 
+    fun containsAttachment(): Boolean {
+        return entryKDB?.containsAttachment() == true
+                || entryKDBX?.containsAttachment() == true
+    }
+
+    private fun addAttachments(binaryPool: BinaryPool, attachments: List<Attachment>) {
+        attachments.forEach {
+            putAttachment(it, binaryPool)
+        }
+    }
+
+    private fun removeAttachment(attachment: Attachment) {
+        entryKDB?.removeAttachment(attachment)
+        entryKDBX?.removeAttachment(attachment)
+    }
+
+    private fun removeAllAttachments() {
+        entryKDB?.removeAttachment()
+        entryKDBX?.removeAttachments()
+    }
+
+    private fun putAttachment(attachment: Attachment, binaryPool: BinaryPool) {
+        entryKDB?.putAttachment(attachment)
+        entryKDBX?.putAttachment(attachment, binaryPool)
+    }
+
     fun getHistory(): ArrayList<Entry> {
         val history = ArrayList<Entry>()
         val entryKDBXHistory = entryKDBX?.history ?: ArrayList()
@@ -360,20 +382,22 @@ class Entry : Node, EntryVersionedInterface<Group> {
         }
     }
 
-    fun removeEntryFromHistory(position: Int) {
-        entryKDBX?.removeEntryFromHistory(position)
+    fun removeEntryFromHistory(position: Int): Entry? {
+        entryKDBX?.removeEntryFromHistory(position)?.let {
+            return Entry(it)
+        }
+        return null
     }
 
-    fun removeAllHistory() {
-        entryKDBX?.removeAllHistory()
+    fun removeOldestEntryFromHistory(): Entry? {
+         entryKDBX?.removeOldestEntryFromHistory()?.let {
+            return Entry(it)
+        }
+        return null
     }
 
-    fun removeOldestEntryFromHistory() {
-        entryKDBX?.removeOldestEntryFromHistory()
-    }
-
-    fun getSize(): Long {
-        return entryKDBX?.size ?: 0L
+    fun getSize(binaryPool: BinaryPool): Long {
+        return entryKDBX?.getSize(binaryPool) ?: 0L
     }
 
     fun containsCustomData(): Boolean {
@@ -396,26 +420,54 @@ class Entry : Node, EntryVersionedInterface<Group> {
             database?.stopManageEntry(this)
         else
             database?.startManageEntry(this)
+
         entryInfo.id = nodeId.toString()
         entryInfo.title = title
         entryInfo.icon = icon
         entryInfo.username = username
         entryInfo.password = password
+        entryInfo.expires = expires
+        entryInfo.expiryTime = expiryTime
         entryInfo.url = url
         entryInfo.notes = notes
-        for (entry in customFields.entries) {
-            entryInfo.customFields.add(
-                    Field(entry.key, entry.value))
-        }
+        entryInfo.customFields = getExtraFields()
         // Add otpElement to generate token
         entryInfo.otpModel = getOtpElement()?.otpModel
+        if (!raw) {
             // Replace parameter fields by generated OTP fields
             entryInfo.customFields = OtpEntryFields.generateAutoFields(entryInfo.customFields)
+        }
+        database?.binaryPool?.let { binaryPool ->
+            entryInfo.attachments = getAttachments(binaryPool)
+        }
+
         if (!raw)
             database?.stopManageEntry(this)
         return entryInfo
     }
 
+    fun setEntryInfo(database: Database?, newEntryInfo: EntryInfo) {
+        database?.startManageEntry(this)
+
+        removeAllFields()
+        removeAllAttachments()
+        // NodeId stay as is
+        title = newEntryInfo.title
+        icon = newEntryInfo.icon
+        username = newEntryInfo.username
+        password = newEntryInfo.password
+        expires = newEntryInfo.expires
+        expiryTime = newEntryInfo.expiryTime
+        url = newEntryInfo.url
+        notes = newEntryInfo.notes
+        addExtraFields(newEntryInfo.customFields)
+        database?.binaryPool?.let { binaryPool ->
+            addAttachments(binaryPool, newEntryInfo.attachments)
+        }
+
+        database?.stopManageEntry(this)
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) return true
         if (javaClass != other?.javaClass) return false

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

@@ -17,10 +17,8 @@
  *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package com.kunzisoft.keepass.database.element.security
+package com.kunzisoft.keepass.database.element.database
 
-import android.content.ContentResolver
-import android.net.Uri
 import android.os.Parcel
 import android.os.Parcelable
 import com.kunzisoft.keepass.stream.readBytes
@@ -30,10 +28,11 @@ import java.util.zip.GZIPOutputStream
 
 class BinaryAttachment : Parcelable {
 
-    var isCompressed: Boolean? = null
+    var isCompressed: Boolean = false
         private set
     var isProtected: Boolean = false
         private set
+    var isCorrupted: Boolean = false
     private var dataFile: File? = null
 
     fun length(): Long {
@@ -45,13 +44,9 @@ class BinaryAttachment : Parcelable {
     /**
      * Empty protected binary
      */
-    constructor() {
-        this.isCompressed = null
-        this.isProtected = false
-        this.dataFile = null
-    }
+    constructor()
 
-    constructor(dataFile: File, enableProtection: Boolean = false, compressed: Boolean? = null) {
+    constructor(dataFile: File, enableProtection: Boolean = false, compressed: Boolean = false) {
         this.isCompressed = compressed
         this.isProtected = enableProtection
         this.dataFile = dataFile
@@ -59,8 +54,9 @@ class BinaryAttachment : Parcelable {
 
     private constructor(parcel: Parcel) {
         val compressedByte = parcel.readByte().toInt()
-        isCompressed = if (compressedByte == 2) null else compressedByte != 0
+        isCompressed = compressedByte != 0
         isProtected = parcel.readByte().toInt() != 0
+        isCorrupted = parcel.readByte().toInt() != 0
         parcel.readString()?.let {
             dataFile = File(it)
         }
@@ -74,24 +70,44 @@ class BinaryAttachment : Parcelable {
         }
     }
 
+    @Throws(IOException::class)
+    fun getUnGzipInputDataStream(): InputStream {
+        return if (isCompressed)
+            GZIPInputStream(getInputDataStream())
+        else
+            getInputDataStream()
+    }
+
+    @Throws(IOException::class)
+    fun getOutputDataStream(): OutputStream {
+        return when {
+            dataFile != null -> FileOutputStream(dataFile!!)
+            else -> throw IOException("Unable to write in an unknown file")
+        }
+    }
+
+    @Throws(IOException::class)
+    fun getGzipOutputDataStream(): OutputStream {
+        return if (isCompressed) {
+            GZIPOutputStream(getOutputDataStream())
+        } else {
+            getOutputDataStream()
+        }
+    }
+
     @Throws(IOException::class)
     fun compress(bufferSize: Int = DEFAULT_BUFFER_SIZE) {
         dataFile?.let { concreteDataFile ->
             // To compress, create a new binary with file
-            if (isCompressed != true) {
+            if (!isCompressed) {
                 val fileBinaryCompress = File(concreteDataFile.parent, concreteDataFile.name + "_temp")
-                var outputStream: GZIPOutputStream? = null
-                var inputStream: InputStream? = null
-                try {
-                    outputStream = GZIPOutputStream(FileOutputStream(fileBinaryCompress))
-                    inputStream = getInputDataStream()
+                GZIPOutputStream(FileOutputStream(fileBinaryCompress)).use { outputStream ->
+                    getInputDataStream().use { inputStream ->
                         inputStream.readBytes(bufferSize) { buffer ->
                             outputStream.write(buffer)
                         }
-                } finally {
-                    inputStream?.close()
-                    outputStream?.close()
-
+                    }
+                }
                 // Remove unGzip file
                 if (concreteDataFile.delete()) {
                     if (fileBinaryCompress.renameTo(concreteDataFile)) {
@@ -102,25 +118,19 @@ class BinaryAttachment : Parcelable {
             }
         }
     }
-    }
 
     @Throws(IOException::class)
     fun decompress(bufferSize: Int = DEFAULT_BUFFER_SIZE) {
         dataFile?.let { concreteDataFile ->
-            if (isCompressed != false) {
+            if (isCompressed) {
                 val fileBinaryDecompress = File(concreteDataFile.parent, concreteDataFile.name + "_temp")
-                var outputStream: FileOutputStream? = null
-                var inputStream: GZIPInputStream? = null
-                try {
-                    outputStream = FileOutputStream(fileBinaryDecompress)
-                    inputStream = GZIPInputStream(getInputDataStream())
+                FileOutputStream(fileBinaryDecompress).use { outputStream ->
+                    getUnGzipInputDataStream().use { inputStream ->
                         inputStream.readBytes(bufferSize) { buffer ->
                             outputStream.write(buffer)
                         }
-                } finally {
-                    inputStream?.close()
-                    outputStream?.close()
-
+                    }
+                }
                 // Remove gzip file
                 if (concreteDataFile.delete()) {
                     if (fileBinaryDecompress.renameTo(concreteDataFile)) {
@@ -131,33 +141,6 @@ class BinaryAttachment : Parcelable {
             }
         }
     }
-    }
-
-    fun download(createdFileUri: Uri,
-                 contentResolver: ContentResolver,
-                 bufferSize: Int = DEFAULT_BUFFER_SIZE,
-                 update: ((percent: Int)->Unit)? = null) {
-
-        var dataDownloaded = 0
-        contentResolver.openOutputStream(createdFileUri).use { outputStream ->
-            outputStream?.let { fileOutputStream ->
-                if (isCompressed == true) {
-                    GZIPInputStream(getInputDataStream())
-                } else {
-                    getInputDataStream()
-                }.use { inputStream ->
-                    inputStream.readBytes(bufferSize) { buffer ->
-                        fileOutputStream.write(buffer)
-                        dataDownloaded += buffer.size
-                        try {
-                            val percentDownload = (100 * dataDownloaded / length()).toInt()
-                            update?.invoke(percentDownload)
-                        } catch (e: Exception) {}
-                    }
-                }
-            }
-        }
-    }
 
     @Throws(IOException::class)
     fun clear() {
@@ -179,25 +162,32 @@ class BinaryAttachment : Parcelable {
 
         return isCompressed == other.isCompressed
                 && isProtected == other.isProtected
+                && isCorrupted == other.isCorrupted
                 && sameData
     }
 
     override fun hashCode(): Int {
 
         var result = 0
-        result = 31 * result + if (isCompressed == null) 2 else if (isCompressed!!) 1 else 0
+        result = 31 * result + if (isCompressed) 1 else 0
         result = 31 * result + if (isProtected) 1 else 0
+        result = 31 * result + if (isCorrupted) 1 else 0
         result = 31 * result + dataFile!!.hashCode()
         return result
     }
 
+    override fun toString(): String {
+        return dataFile.toString()
+    }
+
     override fun describeContents(): Int {
         return 0
     }
 
     override fun writeToParcel(dest: Parcel, flags: Int) {
-        dest.writeByte((if (isCompressed == null) 2 else if (isCompressed!!) 1 else 0).toByte())
+        dest.writeByte((if (isCompressed) 1 else 0).toByte())
         dest.writeByte((if (isProtected) 1 else 0).toByte())
+        dest.writeByte((if (isCorrupted) 1 else 0).toByte())
         dest.writeString(dataFile?.absolutePath)
     }
 

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

@@ -19,52 +19,126 @@
  */
 package com.kunzisoft.keepass.database.element.database
 
-import android.util.SparseArray
-import com.kunzisoft.keepass.database.element.security.BinaryAttachment
 import java.io.IOException
 
 class BinaryPool {
-    private val pool = SparseArray<BinaryAttachment>()
+    private val pool = LinkedHashMap<Int, BinaryAttachment>()
 
+    /**
+     * To get a binary by the pool key (ref attribute in entry)
+     */
     operator fun get(key: Int): BinaryAttachment? {
         return pool[key]
     }
 
-    fun put(key: Int, value: BinaryAttachment) {
-        pool.put(key, value)
+    /**
+     * To linked a binary with a pool key, if the pool key doesn't exists, create an unused one
+     */
+    fun put(key: Int?, value: BinaryAttachment) {
+        if (key == null)
+            put(value)
+        else
+            pool[key] = value
     }
 
-    fun doForEachBinary(action: (key: Int, binary: BinaryAttachment) -> Unit) {
-        for (i in 0 until pool.size()) {
-            action.invoke(i, pool.get(pool.keyAt(i)))
+    /**
+     * To put a [binaryAttachment] in the pool,
+     * if already exists, replace the current one,
+     * else add it with a new key
+     */
+    fun put(binaryAttachment: BinaryAttachment): Int {
+        var key = findKey(binaryAttachment)
+        if (key == null) {
+            key = findUnusedKey()
         }
+        pool[key] = binaryAttachment
+        return key
     }
 
+    /**
+     * Remove a binary from the pool, the file is not deleted
+     */
     @Throws(IOException::class)
-    fun clear() {
-        doForEachBinary { _, binary ->
-            binary.clear()
+    fun remove(binaryAttachment: BinaryAttachment) {
+        findKey(binaryAttachment)?.let {
+            pool.remove(it)
         }
-        pool.clear()
+        // Don't clear attachment here because a file can be used in many BinaryAttachment
     }
 
-    fun add(fileBinary: BinaryAttachment) {
-        if (findKey(fileBinary) == null) {
-            pool.put(findUnusedKey(), fileBinary)
-        }
-    }
-
-    fun findUnusedKey(): Int {
-        var unusedKey = pool.size()
-        while (get(unusedKey) != null)
+    /**
+     * Utility method to find an unused key in the pool
+     */
+    private fun findUnusedKey(): Int {
+        var unusedKey = 0
+        while (pool[unusedKey] != null)
             unusedKey++
         return unusedKey
     }
 
-    fun findKey(pb: BinaryAttachment): Int? {
-        for (i in 0 until pool.size()) {
-            if (pool.get(pool.keyAt(i)) == pb) return i
+    /**
+     * Return key of [binaryAttachmentToRetrieve] or null if not found
+     */
+    private fun findKey(binaryAttachmentToRetrieve: BinaryAttachment): Int? {
+        val contains = pool.containsValue(binaryAttachmentToRetrieve)
+        return if (!contains)
+            null
+        else {
+            for ((key, binary) in pool) {
+                if (binary == binaryAttachmentToRetrieve) {
+                    return key
+                }
             }
             return null
         }
     }
+
+    /**
+     * Utility method to order binaries and solve index problem in database v4
+     */
+    private fun orderedBinaries(): List<KeyBinary> {
+        val keyBinaryList = ArrayList<KeyBinary>()
+        for ((key, binary) in pool) {
+            keyBinaryList.add(KeyBinary(key, binary))
+        }
+        return keyBinaryList
+    }
+
+    /**
+     * To register a binary with a ref corresponding to an ordered index
+     */
+    fun getBinaryIndexFromKey(key: Int): Int? {
+        val index = orderedBinaries().indexOfFirst { it.key == key }
+        return if (index < 0)
+            null
+        else
+            index
+    }
+
+    /**
+     * Different from doForEach, provide an ordered index to each binary
+     */
+    fun doForEachOrderedBinary(action: (index: Int, keyBinary: KeyBinary) -> Unit) {
+        orderedBinaries().forEachIndexed(action)
+    }
+
+    /**
+     * To do an action on each binary in the pool
+     */
+    fun doForEachBinary(action: (binary: BinaryAttachment) -> Unit) {
+        pool.values.forEach { action.invoke(it) }
+    }
+
+    @Throws(IOException::class)
+    fun clear() {
+        doForEachBinary {
+            it.clear()
+        }
+        pool.clear()
+    }
+
+    /**
+     * Utility data class to order binaries
+     */
+    data class KeyBinary(val key: Int, val binary: BinaryAttachment)
+}

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

@@ -26,8 +26,10 @@ import com.kunzisoft.keepass.database.element.entry.EntryKDB
 import com.kunzisoft.keepass.database.element.group.GroupKDB
 import com.kunzisoft.keepass.database.element.node.NodeIdInt
 import com.kunzisoft.keepass.database.element.node.NodeIdUUID
+import com.kunzisoft.keepass.database.element.node.NodeVersioned
 import com.kunzisoft.keepass.database.element.security.EncryptionAlgorithm
 import com.kunzisoft.keepass.stream.NullOutputStream
+import java.io.File
 import java.io.IOException
 import java.io.InputStream
 import java.security.DigestOutputStream
@@ -38,7 +40,7 @@ import kotlin.collections.ArrayList
 
 class DatabaseKDB : DatabaseVersioned<Int, UUID, GroupKDB, EntryKDB>() {
 
-    var backupGroupId: Int = BACKUP_FOLDER_UNDEFINED_ID
+    private var backupGroupId: Int = BACKUP_FOLDER_UNDEFINED_ID
 
     private var kdfListV3: MutableList<KdfEngine> = ArrayList()
 
@@ -57,7 +59,12 @@ class DatabaseKDB : DatabaseVersioned<Int, UUID, GroupKDB, EntryKDB>() {
 
     // Retrieve backup group in index
     val backupGroup: GroupKDB?
-        get() = if (backupGroupId == BACKUP_FOLDER_UNDEFINED_ID) null else getGroupById(backupGroupId)
+        get() {
+            return if (backupGroupId == BACKUP_FOLDER_UNDEFINED_ID)
+                null
+            else
+                getGroupById(backupGroupId)
+        }
 
     override val kdfEngine: KdfEngine?
         get() = kdfListV3[0]
@@ -177,6 +184,9 @@ class DatabaseKDB : DatabaseVersioned<Int, UUID, GroupKDB, EntryKDB>() {
     override fun isInRecycleBin(group: GroupKDB): Boolean {
         var currentGroup: GroupKDB? = group
 
+        if (backupGroup == null)
+            return false
+
         if (currentGroup == backupGroup)
             return true
 
@@ -192,10 +202,10 @@ class DatabaseKDB : DatabaseVersioned<Int, UUID, GroupKDB, EntryKDB>() {
     }
 
     /**
-     * Ensure that the recycle bin tree exists, if enabled and create it
+     * Ensure that the backup tree exists if enabled, and create it
      * if it doesn't exist
      */
-    fun ensureRecycleBinExists() {
+    fun ensureBackupExists() {
         rootGroups.forEach { currentGroup ->
             if (currentGroup.level == 0
                     && currentGroup.title.equals(BACKUP_FOLDER_TITLE, ignoreCase = true)) {
@@ -219,21 +229,25 @@ class DatabaseKDB : DatabaseVersioned<Int, UUID, GroupKDB, EntryKDB>() {
      * @param node Node to remove
      * @return true if node can be recycle, false elsewhere
      */
-    //  TODO #394 Backup KDB
-    //  fun canRecycle(node: NodeVersioned<*, GroupKDB, EntryKDB>): Boolean {
-    fun canRecycle(): Boolean {
+    fun canRecycle(node: NodeVersioned<*, GroupKDB, EntryKDB>): Boolean {
+        if (backupGroup == null)
+            ensureBackupExists()
+        if (node == backupGroup)
+            return false
+        backupGroup?.let {
+            if (node.isContainedIn(it))
+                return false
+        }
         return true
     }
 
     fun recycle(group: GroupKDB) {
-        ensureRecycleBinExists()
         removeGroupFrom(group, group.parent)
         addGroupTo(group, backupGroup)
         group.afterAssignNewParent()
     }
 
     fun recycle(entry: EntryKDB) {
-        ensureRecycleBinExists()
         removeEntryFrom(entry, entry.parent)
         addEntryTo(entry, backupGroup)
         entry.afterAssignNewParent()
@@ -249,6 +263,12 @@ class DatabaseKDB : DatabaseVersioned<Int, UUID, GroupKDB, EntryKDB>() {
         addEntryTo(entry, origParent)
     }
 
+    fun buildNewBinary(cacheDirectory: File): BinaryAttachment {
+        // Generate an unique new file with timestamp
+        val fileInCache = File(cacheDirectory, System.currentTimeMillis().toString())
+        return BinaryAttachment(fileInCache)
+    }
+
     companion object {
         val TYPE = DatabaseKDB::class.java
 

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

@@ -29,6 +29,8 @@ import com.kunzisoft.keepass.crypto.engine.CipherEngine
 import com.kunzisoft.keepass.crypto.keyDerivation.KdfEngine
 import com.kunzisoft.keepass.crypto.keyDerivation.KdfFactory
 import com.kunzisoft.keepass.crypto.keyDerivation.KdfParameters
+import com.kunzisoft.keepass.database.action.node.NodeHandler
+import com.kunzisoft.keepass.database.element.Attachment
 import com.kunzisoft.keepass.database.element.DateInstant
 import com.kunzisoft.keepass.database.element.DeletedObject
 import com.kunzisoft.keepass.database.element.database.DatabaseKDB.Companion.BACKUP_FOLDER_TITLE
@@ -46,6 +48,7 @@ import com.kunzisoft.keepass.utils.UnsignedInt
 import com.kunzisoft.keepass.utils.VariantDictionary
 import org.w3c.dom.Node
 import org.w3c.dom.Text
+import java.io.File
 import java.io.IOException
 import java.io.InputStream
 import java.security.MessageDigest
@@ -173,33 +176,51 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
 
     fun changeBinaryCompression(oldCompression: CompressionAlgorithm,
                                 newCompression: CompressionAlgorithm) {
-        binaryPool.doForEachBinary { key, binary ->
-
-            try {
         when (oldCompression) {
             CompressionAlgorithm.None -> {
                 when (newCompression) {
-                            CompressionAlgorithm.None -> {
-                            }
+                    CompressionAlgorithm.None -> {}
                     CompressionAlgorithm.GZip -> {
-                                // To compress, create a new binary with file
-                                binary.compress(BUFFER_SIZE_BYTES)
+                        // Only in databaseV3.1, in databaseV4 the header is zipped during the save
+                        if (kdbxVersion.toKotlinLong() < FILE_VERSION_32_4.toKotlinLong()) {
+                            compressAllBinaries()
+                        }
                     }
                 }
             }
             CompressionAlgorithm.GZip -> {
+                // In databaseV4 the header is zipped during the save, so not necessary here
+                if (kdbxVersion.toKotlinLong() >= FILE_VERSION_32_4.toKotlinLong()) {
+                    decompressAllBinaries()
+                } else {
                     when (newCompression) {
                         CompressionAlgorithm.None -> {
-                                // To decompress, create a new binary with file
-                                binary.decompress(BUFFER_SIZE_BYTES)
+                            decompressAllBinaries()
                         }
-                            CompressionAlgorithm.GZip -> {
+                        CompressionAlgorithm.GZip -> {}
                     }
                 }
             }
         }
+    }
+
+    private fun compressAllBinaries() {
+        binaryPool.doForEachBinary { binary ->
+            try {
+                // To compress, create a new binary with file
+                binary.compress(BUFFER_SIZE_BYTES)
             } catch (e: Exception) {
-                Log.e(TAG, "Unable to change compression for $key")
+                Log.e(TAG, "Unable to compress $binary", e)
+            }
+        }
+    }
+
+    private fun decompressAllBinaries() {
+        binaryPool.doForEachBinary { binary ->
+            try {
+                binary.decompress(BUFFER_SIZE_BYTES)
+            } catch (e: Exception) {
+                Log.e(TAG, "Unable to decompress $binary", e)
             }
         }
     }
@@ -536,6 +557,59 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
         return publicCustomData.size() > 0
     }
 
+    fun buildNewBinary(cacheDirectory: File,
+                       protection: Boolean,
+                       compression: Boolean,
+                       binaryPoolId: Int? = null): BinaryAttachment {
+        // New file with current time
+        val fileInCache = File(cacheDirectory, System.currentTimeMillis().toString())
+        val binaryAttachment = BinaryAttachment(fileInCache, protection, compression)
+        // add attachment to pool
+        binaryPool.put(binaryPoolId, binaryAttachment)
+        return binaryAttachment
+    }
+
+    fun removeUnlinkedAttachment(binary: BinaryAttachment, clear: Boolean) {
+        val listBinaries = ArrayList<BinaryAttachment>()
+        listBinaries.add(binary)
+        removeUnlinkedAttachments(listBinaries, clear)
+    }
+
+    fun removeUnlinkedAttachments(clear: Boolean) {
+        removeUnlinkedAttachments(emptyList(), clear)
+    }
+
+    private fun removeUnlinkedAttachments(binaries: List<BinaryAttachment>, clear: Boolean) {
+        // Build binaries to remove with all binaries known
+        val binariesToRemove = ArrayList<BinaryAttachment>()
+        if (binaries.isEmpty()) {
+            binaryPool.doForEachBinary { binary ->
+                binariesToRemove.add(binary)
+            }
+        } else {
+            binariesToRemove.addAll(binaries)
+        }
+        // Remove binaries from the list
+        rootGroup?.doForEachChild(object : NodeHandler<EntryKDBX>() {
+            override fun operate(node: EntryKDBX): Boolean {
+                node.getAttachments(binaryPool, true).forEach {
+                    binariesToRemove.remove(it.binaryAttachment)
+                }
+                return binariesToRemove.isNotEmpty()
+            }
+        }, null)
+        // Effective removing
+        binariesToRemove.forEach {
+            try {
+                binaryPool.remove(it)
+                if (clear)
+                    it.clear()
+            } catch (e: Exception) {
+                Log.w(TAG, "Unable to clean binaries", e)
+            }
+        }
+    }
+
     override fun validatePasswordEncoding(password: String?, containsKeyFile: Boolean): Boolean {
         if (password == null)
             return true
@@ -564,7 +638,7 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
         private const val KeyElementName = "Key"
         private const val KeyDataElementName = "Data"
 
-        const val BASE_64_FLAG = Base64.NO_WRAP
+        const val BASE_64_FLAG = Base64.NO_PADDING or Base64.NO_WRAP
 
         const val BUFFER_SIZE_BYTES = 3 * 128
     }

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

@@ -27,7 +27,6 @@ import com.kunzisoft.keepass.database.element.node.NodeId
 import com.kunzisoft.keepass.database.element.node.Type
 import com.kunzisoft.keepass.database.element.security.EncryptionAlgorithm
 import com.kunzisoft.keepass.database.exception.DuplicateUuidDatabaseException
-import com.kunzisoft.keepass.database.exception.KeyFileEmptyDatabaseException
 import java.io.*
 import java.security.MessageDigest
 import java.security.NoSuchAlgorithmException
@@ -136,7 +135,6 @@ abstract class DatabaseVersioned<
         }
 
         when (keyData.size.toLong()) {
-            0L -> throw KeyFileEmptyDatabaseException()
             32L -> return keyData
             64L -> try {
                 return hexStringToByteArray(String(keyData))

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

@@ -25,14 +25,12 @@ import android.os.Parcelable
 import com.kunzisoft.keepass.utils.ParcelableUtil
 import com.kunzisoft.keepass.utils.UnsignedInt
 
-import java.util.HashMap
-
 class AutoType : Parcelable {
 
     var enabled = true
     var obfuscationOptions = OBF_OPT_NONE
     var defaultSequence = ""
-    private var windowSeqPairs = HashMap<String, String>()
+    private var windowSeqPairs = LinkedHashMap<String, String>()
 
     constructor()
 

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

@@ -26,8 +26,10 @@ import com.kunzisoft.keepass.database.element.node.NodeId
 import com.kunzisoft.keepass.database.element.node.NodeIdUUID
 import com.kunzisoft.keepass.database.element.node.NodeKDBInterface
 import com.kunzisoft.keepass.database.element.node.Type
-import com.kunzisoft.keepass.database.element.security.BinaryAttachment
+import com.kunzisoft.keepass.database.element.database.BinaryAttachment
+import com.kunzisoft.keepass.database.element.Attachment
 import java.util.*
+import kotlin.collections.ArrayList
 
 /**
  * Structure containing information about one entry.
@@ -135,6 +137,29 @@ class EntryKDB : EntryVersioned<Int, UUID, GroupKDB, EntryKDB>, NodeKDBInterface
     override val type: Type
         get() = Type.ENTRY
 
+    fun getAttachment(): Attachment? {
+        val binary = binaryData
+        return if (binary != null)
+            Attachment(binaryDescription, binary)
+        else null
+    }
+
+    fun containsAttachment(): Boolean {
+        return binaryData != null
+    }
+
+    fun putAttachment(attachment: Attachment) {
+        this.binaryDescription = attachment.name
+        this.binaryData = attachment.binaryAttachment
+    }
+
+    fun removeAttachment(attachment: Attachment? = null) {
+        if (attachment == null || this.binaryDescription == attachment.name) {
+            this.binaryDescription = ""
+            this.binaryData = null
+        }
+    }
+
     companion object {
 
         /** Size of byte buffer needed to hold this struct.  */

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

@@ -21,7 +21,9 @@ package com.kunzisoft.keepass.database.element.entry
 
 import android.os.Parcel
 import android.os.Parcelable
-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.database.BinaryPool
 import com.kunzisoft.keepass.database.element.database.DatabaseKDBX
 import com.kunzisoft.keepass.database.element.group.GroupKDBX
 import com.kunzisoft.keepass.database.element.icon.IconImage
@@ -31,11 +33,12 @@ import com.kunzisoft.keepass.database.element.node.NodeId
 import com.kunzisoft.keepass.database.element.node.NodeIdUUID
 import com.kunzisoft.keepass.database.element.node.NodeKDBXInterface
 import com.kunzisoft.keepass.database.element.node.Type
-import com.kunzisoft.keepass.database.element.security.BinaryAttachment
 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
 
 class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInterface {
 
@@ -58,9 +61,10 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
             super.icon = value
         }
     var iconCustom = IconImageCustom.UNKNOWN_ICON
-    private var customData = HashMap<String, String>()
-    var fields = HashMap<String, ProtectedString>()
-    var binaries = HashMap<String, BinaryAttachment>()
+    private var customData = LinkedHashMap<String, String>()
+    // TODO Private
+    var fields = LinkedHashMap<String, ProtectedString>()
+    var binaries = LinkedHashMap<String, Int>() // Map<Label, PoolId>
     var foregroundColor = ""
     var backgroundColor = ""
     var overrideURL = ""
@@ -69,8 +73,7 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
     var additional = ""
     var tags = ""
 
-    val size: Long
-        get() {
+    fun getSize(binaryPool: BinaryPool): Long {
         var size = FIXED_LENGTH_SIZE
 
         for (entry in fields.entries) {
@@ -78,10 +81,7 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
             size += entry.value.length().toLong()
         }
 
-            for ((key, value) in binaries) {
-                size += key.length.toLong()
-                size += value.length()
-            }
+        size += getAttachmentsSize(binaryPool)
 
         size += autoType.defaultSequence.length.toLong()
         for ((key, value) in autoType.entrySet()) {
@@ -90,7 +90,7 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
         }
 
         for (entry in history) {
-                size += entry.size
+            size += entry.getSize(binaryPool)
         }
 
         size += overrideURL.length.toLong()
@@ -109,7 +109,7 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
         locationChanged = parcel.readParcelable(DateInstant::class.java.classLoader) ?: locationChanged
         customData = ParcelableUtil.readStringParcelableMap(parcel)
         fields = ParcelableUtil.readStringParcelableMap(parcel, ProtectedString::class.java)
-        binaries = ParcelableUtil.readStringParcelableMap(parcel, BinaryAttachment::class.java)
+        binaries = ParcelableUtil.readStringIntMap(parcel)
         foregroundColor = parcel.readString() ?: foregroundColor
         backgroundColor = parcel.readString() ?: backgroundColor
         overrideURL = parcel.readString() ?: overrideURL
@@ -127,7 +127,7 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
         dest.writeParcelable(locationChanged, flags)
         ParcelableUtil.writeStringParcelableMap(dest, customData)
         ParcelableUtil.writeStringParcelableMap(dest, flags, fields)
-        ParcelableUtil.writeStringParcelableMap(dest, flags, binaries)
+        ParcelableUtil.writeStringIntMap(dest, binaries)
         dest.writeString(foregroundColor)
         dest.writeString(backgroundColor)
         dest.writeString(overrideURL)
@@ -166,8 +166,8 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
         tags = source.tags
     }
 
-    fun startToManageFieldReferences(db: DatabaseKDBX) {
-        this.mDatabase = db
+    fun startToManageFieldReferences(database: DatabaseKDBX) {
+        this.mDatabase = database
         this.mDecodeRef = true
     }
 
@@ -260,23 +260,17 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
                 || key == STR_NOTES)
     }
 
-    var customFields = HashMap<String, ProtectedString>()
+    var customFields = LinkedHashMap<String, ProtectedString>()
         get() {
             field.clear()
-            for (entry in fields.entries) {
-                val key = entry.key
-                val value = entry.value
-                if (!isStandardField(entry.key)) {
+            for ((key, value) in fields) {
+                if (!isStandardField(key)) {
                     field[key] = ProtectedString(value.isProtected, decodeRefKey(mDecodeRef, key))
                 }
             }
             return field
         }
 
-    fun allowCustomFields(): Boolean {
-        return true
-    }
-
     fun removeAllFields() {
         fields.clear()
     }
@@ -285,12 +279,47 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
         fields[label] = value
     }
 
-    fun putProtectedBinary(key: String, value: BinaryAttachment) {
-        binaries[key] = value
+    /**
+     * It's a list because history labels can be defined multiple times
+     */
+    fun getAttachments(binaryPool: BinaryPool, inHistory: Boolean = false): List<Attachment> {
+        val entryAttachmentList = ArrayList<Attachment>()
+        for ((label, poolId) in binaries) {
+            binaryPool[poolId]?.let { binary ->
+                entryAttachmentList.add(Attachment(label, binary))
+            }
+        }
+        if (inHistory) {
+            history.forEach {
+                entryAttachmentList.addAll(it.getAttachments(binaryPool, false))
+            }
+        }
+        return entryAttachmentList
     }
 
-    fun sizeOfHistory(): Int {
-        return history.size
+    fun containsAttachment(): Boolean {
+        return binaries.isNotEmpty()
+    }
+
+    fun putAttachment(attachment: Attachment, binaryPool: BinaryPool) {
+        binaries[attachment.name] = binaryPool.put(attachment.binaryAttachment)
+    }
+
+    fun removeAttachment(attachment: Attachment) {
+        binaries.remove(attachment.name)
+    }
+
+    fun removeAttachments() {
+        binaries.clear()
+    }
+
+    private fun getAttachmentsSize(binaryPool: BinaryPool): Long {
+        var size = 0L
+        for ((label, poolId) in binaries) {
+            size += label.length.toLong()
+            size += binaryPool[poolId]?.length() ?: 0
+        }
+        return size
     }
 
     override fun putCustomData(key: String, value: String) {
@@ -305,15 +334,11 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
         history.add(entry)
     }
 
-    fun removeEntryFromHistory(position: Int) {
-        history.removeAt(position)
+    fun removeEntryFromHistory(position: Int): EntryKDBX? {
+        return history.removeAt(position)
     }
 
-    fun removeAllHistory() {
-        history.clear()
-    }
-
-    fun removeOldestEntryFromHistory() {
+    fun removeOldestEntryFromHistory(): EntryKDBX? {
         var min: Date? = null
         var index = -1
 
@@ -326,9 +351,9 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
             }
         }
 
-        if (index != -1) {
+        return if (index != -1) {
             history.removeAt(index)
-        }
+        } else null
     }
 
     override fun touch(modified: Boolean, touchParents: Boolean) {

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

@@ -26,7 +26,7 @@ class ProtectedString : Parcelable {
 
     var isProtected: Boolean = false
         private set
-    private var stringValue: String = ""
+    var stringValue: String = ""
 
     constructor(toCopy: ProtectedString) {
         this.isProtected = toCopy.isProtected

app/src/main/java/com/kunzisoft/keepass/database/exception/DatabaseException.kt

@@ -116,13 +116,6 @@ class InvalidCredentialsDatabaseException : LoadDatabaseException {
     constructor(exception: Throwable) : super(exception)
 }
 
-class KeyFileEmptyDatabaseException : LoadDatabaseException {
-    @StringRes
-    override var errorId: Int = R.string.keyfile_is_empty
-    constructor() : super()
-    constructor(exception: Throwable) : super(exception)
-}
-
 class NoMemoryDatabaseException: LoadDatabaseException {
     @StringRes
     override var errorId: Int = R.string.error_out_of_memory

app/src/main/java/com/kunzisoft/keepass/database/file/DatabaseHeaderKDBX.kt

@@ -192,10 +192,11 @@ class DatabaseHeaderKDBX(private val databaseV4: DatabaseKDBX) : DatabaseHeader(
             }
         }
 
+        if (fieldID == PwDbHeaderV4Fields.EndOfHeader)
+            return true
+
         if (fieldData != null)
         when (fieldID) {
-            PwDbHeaderV4Fields.EndOfHeader -> return true
-
             PwDbHeaderV4Fields.CipherID -> setCipher(fieldData)
 
             PwDbHeaderV4Fields.CompressionFlags -> setCompressionFlags(fieldData)

app/src/main/java/com/kunzisoft/keepass/database/file/input/DatabaseInputKDB.kt

@@ -27,14 +27,12 @@ import com.kunzisoft.keepass.database.element.entry.EntryKDB
 import com.kunzisoft.keepass.database.element.group.GroupKDB
 import com.kunzisoft.keepass.database.element.node.NodeIdInt
 import com.kunzisoft.keepass.database.element.node.NodeIdUUID
-import com.kunzisoft.keepass.database.element.security.BinaryAttachment
 import com.kunzisoft.keepass.database.element.security.EncryptionAlgorithm
 import com.kunzisoft.keepass.database.exception.*
 import com.kunzisoft.keepass.database.file.DatabaseHeader
 import com.kunzisoft.keepass.database.file.DatabaseHeaderKDB
 import com.kunzisoft.keepass.stream.*
 import com.kunzisoft.keepass.tasks.ProgressTaskUpdater
-import org.joda.time.Instant
 import java.io.*
 import java.security.*
 import java.util.*
@@ -282,11 +280,9 @@ class DatabaseInputKDB(cacheDirectory: File,
                     0x000E -> {
                         newEntry?.let { entry ->
                             if (fieldSize > 0) {
-                                // Generate an unique new file with timestamp
-                                val binaryFile = File(cacheDirectory,
-                                        Instant.now().millis.toString())
-                                entry.binaryData = BinaryAttachment(binaryFile)
-                                BufferedOutputStream(FileOutputStream(binaryFile)).use { outputStream ->
+                                val binaryAttachment = mDatabaseToOpen.buildNewBinary(cacheDirectory)
+                                entry.binaryData = binaryAttachment
+                                BufferedOutputStream(binaryAttachment.getOutputDataStream()).use { outputStream ->
                                     cipherInputStream.readBytes(fieldSize,
                                             DatabaseKDB.BUFFER_SIZE_BYTES) { buffer ->
                                         outputStream.write(buffer)

app/src/main/java/com/kunzisoft/keepass/database/file/input/DatabaseInputKDBX.kt

@@ -20,12 +20,14 @@
 package com.kunzisoft.keepass.database.file.input
 
 import android.util.Base64
+import android.util.Log
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.crypto.CipherFactory
 import com.kunzisoft.keepass.crypto.StreamCipherFactory
 import com.kunzisoft.keepass.crypto.engine.CipherEngine
 import com.kunzisoft.keepass.database.element.DateInstant
 import com.kunzisoft.keepass.database.element.DeletedObject
+import com.kunzisoft.keepass.database.element.Attachment
 import com.kunzisoft.keepass.database.element.database.CompressionAlgorithm
 import com.kunzisoft.keepass.database.element.database.DatabaseKDBX
 import com.kunzisoft.keepass.database.element.database.DatabaseKDBX.Companion.BASE_64_FLAG
@@ -35,7 +37,7 @@ import com.kunzisoft.keepass.database.element.group.GroupKDBX
 import com.kunzisoft.keepass.database.element.icon.IconImageCustom
 import com.kunzisoft.keepass.database.element.node.NodeIdUUID
 import com.kunzisoft.keepass.database.element.node.NodeKDBXInterface
-import com.kunzisoft.keepass.database.element.security.BinaryAttachment
+import com.kunzisoft.keepass.database.element.database.BinaryAttachment
 import com.kunzisoft.keepass.database.element.security.ProtectedString
 import com.kunzisoft.keepass.database.exception.*
 import com.kunzisoft.keepass.database.file.DatabaseHeaderKDBX
@@ -49,12 +51,14 @@ import org.bouncycastle.crypto.StreamCipher
 import org.xmlpull.v1.XmlPullParser
 import org.xmlpull.v1.XmlPullParserException
 import org.xmlpull.v1.XmlPullParserFactory
-import java.io.*
+import java.io.File
+import java.io.IOException
+import java.io.InputStream
+import java.io.UnsupportedEncodingException
 import java.nio.charset.Charset
 import java.text.ParseException
 import java.util.*
 import java.util.zip.GZIPInputStream
-import java.util.zip.GZIPOutputStream
 import javax.crypto.Cipher
 import javax.crypto.CipherInputStream
 import kotlin.math.min
@@ -68,9 +72,6 @@ class DatabaseInputKDBX(cacheDirectory: File,
 
     private var hashOfHeader: ByteArray? = null
 
-    private val unusedCacheFileName: String
-        get() = mDatabase.binaryPool.findUnusedKey().toString()
-
     private var readNextNode = true
     private val ctxGroups = Stack<GroupKDBX>()
     private var ctxGroup: GroupKDBX? = null
@@ -233,9 +234,11 @@ class DatabaseInputKDBX(cacheDirectory: File,
 
         var data = ByteArray(0)
         if (size > 0) {
-            if (fieldId != DatabaseHeaderKDBX.PwDbInnerHeaderV4Fields.Binary)
+            if (fieldId != DatabaseHeaderKDBX.PwDbInnerHeaderV4Fields.Binary) {
+                // TODO OOM here
                 data = dataInputStream.readBytes(size)
             }
+        }
 
         var result = true
         when (fieldId) {
@@ -249,18 +252,16 @@ class DatabaseInputKDBX(cacheDirectory: File,
                 header.innerRandomStreamKey = data
             }
             DatabaseHeaderKDBX.PwDbInnerHeaderV4Fields.Binary -> {
-                val flag = dataInputStream.readBytes(1)[0].toInt() != 0
-                val protectedFlag = flag && DatabaseHeaderKDBX.KdbxBinaryFlags.Protected.toInt() != DatabaseHeaderKDBX.KdbxBinaryFlags.None.toInt()
-                val byteLength = size - 1
                 // Read in a file
-                val file = File(cacheDirectory, unusedCacheFileName)
-                FileOutputStream(file).use { outputStream ->
+                val protectedFlag = dataInputStream.readBytes(1)[0].toInt() != 0
+                val byteLength = size - 1
+                // No compression at this level
+                val protectedBinary = mDatabase.buildNewBinary(cacheDirectory, protectedFlag, false)
+                protectedBinary.getOutputDataStream().use { outputStream ->
                     dataInputStream.readBytes(byteLength, DatabaseKDBX.BUFFER_SIZE_BYTES) { buffer ->
                         outputStream.write(buffer)
                     }
                 }
-                val protectedBinary = BinaryAttachment(file, protectedFlag)
-                mDatabase.binaryPool.add(protectedBinary)
             }
         }
 
@@ -443,14 +444,7 @@ class DatabaseInputKDBX(cacheDirectory: File,
             }
 
             KdbContext.Binaries -> if (name.equals(DatabaseKDBXXML.ElemBinary, ignoreCase = true)) {
-                val key = xpp.getAttributeValue(null, DatabaseKDBXXML.AttrId)
-                if (key != null) {
-                    val pbData = readBinary(xpp)
-                    val id = Integer.parseInt(key)
-                    mDatabase.binaryPool.put(id, pbData!!)
-                } else {
-                    readUnknown(xpp)
-                }
+                readBinary(xpp)
             } else {
                 readUnknown(xpp)
             }
@@ -749,8 +743,7 @@ class DatabaseInputKDBX(cacheDirectory: File,
             if (entryInHistory) {
                 ctxEntry = ctxHistoryBase
                 return KdbContext.EntryHistory
-            }
-            else if (ctxEntry != null) {
+            } else if (ctxEntry != null) {
                 // Add entry to the index only when close the XML element
                 mDatabase.addEntryIndex(ctxEntry!!)
             }
@@ -766,8 +759,9 @@ class DatabaseInputKDBX(cacheDirectory: File,
 
             return KdbContext.Entry
         } else if (ctx == KdbContext.EntryBinary && name.equals(DatabaseKDBXXML.ElemBinary, ignoreCase = true)) {
-            if (ctxBinaryName != null && ctxBinaryValue != null)
-                ctxEntry?.putProtectedBinary(ctxBinaryName!!, ctxBinaryValue!!)
+            if (ctxBinaryName != null && ctxBinaryValue != null) {
+                ctxEntry?.putAttachment(Attachment(ctxBinaryName!!, ctxBinaryValue!!), mDatabase.binaryPool)
+            }
             ctxBinaryName = null
             ctxBinaryValue = null
 
@@ -885,9 +879,14 @@ class DatabaseInputKDBX(cacheDirectory: File,
         if (encoded.isEmpty()) {
             return DatabaseVersioned.UUID_ZERO
         }
-        val buf = Base64.decode(encoded, BASE_64_FLAG)
 
-        return bytes16ToUuid(buf)
+        return try {
+            val buf = Base64.decode(encoded, BASE_64_FLAG)
+            bytes16ToUuid(buf)
+        } catch (e: Exception) {
+            Log.e(TAG, "Unable to read base 64 UUID, create a random one", e)
+            UUID.randomUUID()
+        }
     }
 
     @Throws(IOException::class, XmlPullParserException::class)
@@ -947,15 +946,28 @@ class DatabaseInputKDBX(cacheDirectory: File,
 
         // Reference Id to a binary already present in binary pool
         val ref = xpp.getAttributeValue(null, DatabaseKDBXXML.AttrRef)
-        if (ref != null) {
-            xpp.next() // Consume end tag
+        // New id to a binary
+        val key = xpp.getAttributeValue(null, DatabaseKDBXXML.AttrId)
 
+        return when {
+            ref != null -> {
+                xpp.next() // Consume end tag
                 val id = Integer.parseInt(ref)
-            return mDatabase.binaryPool[id]
+                // A ref is not necessarily an index in Database V3.1
+                mDatabase.binaryPool[id]
+            }
+            key != null -> {
+                createBinary(key.toIntOrNull(), xpp)
+            }
+            else -> {
+                // New binary to retrieve
+                createBinary(null, xpp)
+            }
+        }
     }
 
-        // New binary to retrieve
-        else {
+    @Throws(IOException::class, XmlPullParserException::class)
+    private fun createBinary(binaryId: Int?, xpp: XmlPullParser): BinaryAttachment? {
         var compressed = false
         var protected = false
 
@@ -973,22 +985,22 @@ class DatabaseInputKDBX(cacheDirectory: File,
 
         val base64 = readString(xpp)
         if (base64.isEmpty())
-                return BinaryAttachment()
-            val data = Base64.decode(base64, BASE_64_FLAG)
+            return null
 
-            val file = File(cacheDirectory, unusedCacheFileName)
-            return FileOutputStream(file).use { outputStream ->
-                // Force compression in this specific case
-                if (mDatabase.compressionAlgorithm == CompressionAlgorithm.GZip
-                        && !compressed) {
-                    GZIPOutputStream(outputStream).write(data)
-                    BinaryAttachment(file, protected, true)
-                } else {
-                    outputStream.write(data)
-                    BinaryAttachment(file, protected, compressed)
-                }
+        // Build the new binary and compress
+        val binaryAttachment = mDatabase.buildNewBinary(cacheDirectory, protected, compressed, binaryId)
+        try {
+            binaryAttachment.getOutputDataStream().use { outputStream ->
+                outputStream.write(Base64.decode(base64, BASE_64_FLAG))
+            }
+        } catch (e: Exception) {
+            Log.e(TAG, "Unable to read base 64 attachment", e)
+            binaryAttachment.isCorrupted = true
+            binaryAttachment.getOutputDataStream().use { outputStream ->
+                outputStream.write(base64.toByteArray())
             }
         }
+        return binaryAttachment
     }
 
     @Throws(IOException::class, XmlPullParserException::class)
@@ -1045,6 +1057,8 @@ class DatabaseInputKDBX(cacheDirectory: File,
 
     companion object {
 
+        private val TAG = DatabaseInputKDBX::class.java.name
+
         private val DEFAULT_HISTORY_DAYS = UnsignedInt(365)
 
         @Throws(XmlPullParserException::class)

app/src/main/java/com/kunzisoft/keepass/database/file/output/DatabaseInnerHeaderOutputKDBX.kt

@@ -47,20 +47,27 @@ class DatabaseInnerHeaderOutputKDBX(private val database: DatabaseKDBX,
         dataOutputStream.writeInt(streamKeySize)
         dataOutputStream.write(header.innerRandomStreamKey)
 
-        database.binaryPool.doForEachBinary { _, protectedBinary ->
+        database.binaryPool.doForEachOrderedBinary { _, keyBinary ->
+            val protectedBinary = keyBinary.binary
             var flag = DatabaseHeaderKDBX.KdbxBinaryFlags.None
             if (protectedBinary.isProtected) {
                 flag = flag or DatabaseHeaderKDBX.KdbxBinaryFlags.Protected
             }
 
+            // Force decompression to add binary in header
+            protectedBinary.decompress()
+
             dataOutputStream.write(DatabaseHeaderKDBX.PwDbInnerHeaderV4Fields.Binary.toInt())
-            dataOutputStream.writeInt(protectedBinary.length().toInt() + 1) // TODO verify
+            dataOutputStream.writeInt(protectedBinary.length().toInt() + 1)
             dataOutputStream.write(flag.toInt())
 
-            protectedBinary.getInputDataStream().readBytes(BUFFER_SIZE_BYTES) { buffer ->
+            // if was compressed in cache, uncompress it
+            protectedBinary.getInputDataStream().use { inputStream ->
+                inputStream.readBytes(BUFFER_SIZE_BYTES) { buffer ->
                     dataOutputStream.write(buffer)
                 }
             }
+        }
 
         dataOutputStream.write(DatabaseHeaderKDBX.PwDbInnerHeaderV4Fields.EndOfHeader.toInt())
         dataOutputStream.writeInt(0)

app/src/main/java/com/kunzisoft/keepass/database/file/output/DatabaseOutputKDBX.kt

@@ -38,7 +38,7 @@ import com.kunzisoft.keepass.database.element.entry.EntryKDBX
 import com.kunzisoft.keepass.database.element.group.GroupKDBX
 import com.kunzisoft.keepass.database.element.icon.IconImageCustom
 import com.kunzisoft.keepass.database.element.node.NodeKDBXInterface
-import com.kunzisoft.keepass.database.element.security.BinaryAttachment
+import com.kunzisoft.keepass.database.element.database.BinaryAttachment
 import com.kunzisoft.keepass.database.element.security.MemoryProtectionConfig
 import com.kunzisoft.keepass.database.element.security.ProtectedString
 import com.kunzisoft.keepass.database.exception.DatabaseOutputException
@@ -55,7 +55,6 @@ import java.io.OutputStream
 import java.security.NoSuchAlgorithmException
 import java.security.SecureRandom
 import java.util.*
-import java.util.zip.GZIPInputStream
 import java.util.zip.GZIPOutputStream
 import javax.crypto.Cipher
 import javax.crypto.CipherOutputStream
@@ -422,7 +421,6 @@ class DatabaseOutputKDBX(private val mDatabaseKDBX: DatabaseKDBX,
     private fun writeBinary(binary : BinaryAttachment) {
         val binaryLength = binary.length()
         if (binaryLength > 0) {
-
             if (binary.isProtected) {
                 xml.attribute(null, DatabaseKDBXXML.AttrProtected, DatabaseKDBXXML.ValTrue)
 
@@ -433,21 +431,11 @@ class DatabaseOutputKDBX(private val mDatabaseKDBX: DatabaseKDBX,
                     xml.text(charArray, 0, charArray.size)
                 }
             } else {
-                // Force binary compression from database (compression was harmonized during import)
-                if (mDatabaseKDBX.compressionAlgorithm === CompressionAlgorithm.GZip) {
+                if (binary.isCompressed) {
                     xml.attribute(null, DatabaseKDBXXML.AttrCompressed, DatabaseKDBXXML.ValTrue)
                 }
-
-                // Force decompression in this specific case
-                val binaryInputStream = if (mDatabaseKDBX.compressionAlgorithm == CompressionAlgorithm.None
-                                && binary.isCompressed == true) {
-                    GZIPInputStream(binary.getInputDataStream())
-                } else {
-                    binary.getInputDataStream()
-                }
-
                 // Write the XML
-                binaryInputStream.readBytes(BUFFER_SIZE_BYTES) { buffer ->
+                binary.getInputDataStream().readBytes(BUFFER_SIZE_BYTES) { buffer ->
                     val charArray = String(Base64.encode(buffer, BASE_64_FLAG)).toCharArray()
                     xml.text(charArray, 0, charArray.size)
                 }
@@ -459,10 +447,11 @@ class DatabaseOutputKDBX(private val mDatabaseKDBX: DatabaseKDBX,
     private fun writeMetaBinaries() {
         xml.startTag(null, DatabaseKDBXXML.ElemBinaries)
 
-        mDatabaseKDBX.binaryPool.doForEachBinary { key, binary ->
+        // Use indexes because necessarily in DatabaseV4 (binary header ref is the order)
+        mDatabaseKDBX.binaryPool.doForEachOrderedBinary { index, keyBinary ->
             xml.startTag(null, DatabaseKDBXXML.ElemBinary)
-            xml.attribute(null, DatabaseKDBXXML.AttrId, key.toString())
-            writeBinary(binary)
+            xml.attribute(null, DatabaseKDBXXML.AttrId, index.toString())
+            writeBinary(keyBinary.binary)
             xml.endTag(null, DatabaseKDBXXML.ElemBinary)
         }
 
@@ -559,25 +548,24 @@ class DatabaseOutputKDBX(private val mDatabaseKDBX: DatabaseKDBX,
     }
 
     @Throws(IllegalArgumentException::class, IllegalStateException::class, IOException::class)
-    private fun writeEntryBinaries(binaries: Map<String, BinaryAttachment>) {
-        for ((key, binary) in binaries) {
+    private fun writeEntryBinaries(binaries: LinkedHashMap<String, Int>) {
+        for ((label, poolId) in binaries) {
+            // Retrieve the right index with the poolId, don't use ref because of header in DatabaseV4
+            mDatabaseKDBX.binaryPool.getBinaryIndexFromKey(poolId)?.toString()?.let { indexString ->
                 xml.startTag(null, DatabaseKDBXXML.ElemBinary)
                 xml.startTag(null, DatabaseKDBXXML.ElemKey)
-            xml.text(safeXmlString(key))
+                xml.text(safeXmlString(label))
                 xml.endTag(null, DatabaseKDBXXML.ElemKey)
 
                 xml.startTag(null, DatabaseKDBXXML.ElemValue)
-            val ref = mDatabaseKDBX.binaryPool.findKey(binary)
-            if (ref != null) {
-                xml.attribute(null, DatabaseKDBXXML.AttrRef, ref.toString())
-            } else {
-                writeBinary(binary)
-            }
+                // Use only pool data in Meta to save binaries
+                xml.attribute(null, DatabaseKDBXXML.AttrRef, indexString)
                 xml.endTag(null, DatabaseKDBXXML.ElemValue)
 
                 xml.endTag(null, DatabaseKDBXXML.ElemBinary)
             }
         }
+    }
 
     @Throws(IllegalArgumentException::class, IllegalStateException::class, IOException::class)
     private fun writeDeletedObjects(value: List<DeletedObject>) {

app/src/main/java/com/kunzisoft/keepass/education/Education.kt

@@ -95,9 +95,9 @@ open class Education(val activity: Activity) {
                 R.string.education_entry_edit_key,
                 R.string.education_password_generator_key,
                 R.string.education_entry_new_field_key,
+                R.string.education_add_attachment_key,
                 R.string.education_setup_OTP_key)
 
-
         /**
          * Get preferences bundle for education
          */
@@ -272,6 +272,18 @@ open class Education(val activity: Activity) {
                     context.resources.getBoolean(R.bool.education_entry_new_field_default))
         }
 
+        /**
+         * Determines whether the explanatory view of the new attachment button in an entry has already been displayed.
+         *
+         * @param context The context to open the SharedPreferences
+         * @return boolean value of education_add_attachment_key key
+         */
+        fun isEducationAddAttachmentPerformed(context: Context): Boolean {
+            val prefs = getEducationSharedPreferences(context)
+            return prefs.getBoolean(context.getString(R.string.education_add_attachment_key),
+                    context.resources.getBoolean(R.bool.education_add_attachment_default))
+        }
+
         /**
          * Determines whether the explanatory view to setup OTP has already been displayed.
          *

app/src/main/java/com/kunzisoft/keepass/education/EntryEditActivityEducation.kt

@@ -29,6 +29,10 @@ import com.kunzisoft.keepass.R
 class EntryEditActivityEducation(activity: Activity)
     : Education(activity) {
 
+    /**
+     * Check and display learning views
+     * Displays the explanation for the password generator
+     */
     fun checkAndPerformedGeneratePasswordEducation(educationView: View,
                                                    onEducationViewClick: ((TapTargetView?) -> Unit)? = null,
                                                    onOuterViewClick: ((TapTargetView?) -> Unit)? = null): Boolean {
@@ -56,7 +60,7 @@ class EntryEditActivityEducation(activity: Activity)
 
     /**
      * Check and display learning views
-     * Displays the explanation for the icon selection, the password generator and for a new field
+     * Displays the explanation to create a new field
      */
     fun checkAndPerformedEntryNewFieldEducation(educationView: View,
                                                 onEducationViewClick: ((TapTargetView?) -> Unit)? = null,
@@ -83,6 +87,35 @@ class EntryEditActivityEducation(activity: Activity)
                 R.string.education_entry_new_field_key)
     }
 
+    /**
+     * Check and display learning views
+     * Displays the explanation for to upload attachment
+     */
+    fun checkAndPerformedAttachmentEducation(educationView: View,
+                                             onEducationViewClick: ((TapTargetView?) -> Unit)? = null,
+                                             onOuterViewClick: ((TapTargetView?) -> Unit)? = null): Boolean {
+        return checkAndPerformedEducation(!isEducationAddAttachmentPerformed(activity),
+                TapTarget.forView(educationView,
+                        activity.getString(R.string.education_add_attachment_title),
+                        activity.getString(R.string.education_add_attachment_summary))
+                        .textColorInt(Color.WHITE)
+                        .tintTarget(true)
+                        .cancelable(true),
+                object : TapTargetView.Listener() {
+                    override fun onTargetClick(view: TapTargetView) {
+                        super.onTargetClick(view)
+                        onEducationViewClick?.invoke(view)
+                    }
+
+                    override fun onOuterCircleClick(view: TapTargetView?) {
+                        super.onOuterCircleClick(view)
+                        view?.dismiss(false)
+                        onOuterViewClick?.invoke(view)
+                    }
+                },
+                R.string.education_add_attachment_key)
+    }
+
     /**
      * Check and display learning views
      * Displays the explanation to setup OTP

app/src/main/java/com/kunzisoft/keepass/icons/IconPack.kt

@@ -23,6 +23,7 @@ import android.content.res.Resources
 import android.util.SparseIntArray
 import com.kunzisoft.keepass.R
 import java.text.DecimalFormat
+import java.util.*
 
 /**
  * Class who construct dynamically database icons contains in a separate library
@@ -35,17 +36,13 @@ import java.text.DecimalFormat
  *
  * See *icon-pack-classic* module as sample
  *
- *
- */
-class IconPack
-/**
  * Construct dynamically the icon pack provide by the string resource id
  *
  * @param packageName Context of the app to retrieve the resources
  * @param packageName Context of the app to retrieve the resources
  * @param resourceId String Id of the pack (ex : com.kunzisoft.keepass.icon.classic.R.string.resource_id)
  */
-internal constructor(packageName: String, resources: Resources, resourceId: Int) {
+class IconPack(packageName: String, resources: Resources, resourceId: Int) {
 
     private val icons: SparseIntArray = SparseIntArray()
     /**
@@ -84,7 +81,7 @@ internal constructor(packageName: String, resources: Resources, resourceId: Int)
         while (num <= NB_ICONS) {
             // To construct the id with name_ic_XX_32dp (ex : classic_ic_08_32dp )
             val resId = resources.getIdentifier(
-                    id + "_" + DecimalFormat("00").format(num.toLong()) + "_32dp",
+                    id + "_" + String.format(Locale.ENGLISH, "%02d", num) + "_32dp",
                     "drawable",
                     packageName)
             icons.put(num, resId)

app/src/main/java/com/kunzisoft/keepass/magikeyboard/MagikIME.kt

@@ -108,8 +108,17 @@ class MagikIME : InputMethodService(), KeyboardView.OnKeyboardActionListener {
             val closeView = popupFieldsView.findViewById<View>(R.id.keyboard_popup_close)
             closeView.setOnClickListener { popupCustomKeys?.dismiss() }
 
-            if (!Database.getInstance().loaded)
+            // Remove entry info if the database is not loaded
+            // or if entry info timestamp is before database loaded timestamp
+            val database = Database.getInstance()
+            val databaseTime = database.loadTimestamp
+            val entryTime = entryInfoTimestamp
+            if (!database.loaded
+                    || databaseTime == null
+                    || entryTime == null
+                    || entryTime < databaseTime) {
                 removeEntryInfo()
+            }
             assignKeyboardView()
             keyboardView?.setOnKeyboardActionListener(this)
             keyboardView?.isPreviewEnabled = false
@@ -321,10 +330,13 @@ class MagikIME : InputMethodService(), KeyboardView.OnKeyboardActionListener {
         private const val KEY_URL = 520
         private const val KEY_FIELDS = 530
 
+        // TODO Retrieve entry info from id and service when database is open
         private var entryInfoKey: EntryInfo? = null
+        private var entryInfoTimestamp: Long? = null
 
         private fun removeEntryInfo() {
             entryInfoKey = null
+            entryInfoTimestamp = null
         }
 
         fun removeEntry(context: Context) {
@@ -334,6 +346,7 @@ class MagikIME : InputMethodService(), KeyboardView.OnKeyboardActionListener {
         fun addEntryAndLaunchNotificationIfAllowed(context: Context, entry: EntryInfo, toast: Boolean = false) {
             // Add a new entry
             entryInfoKey = entry
+            entryInfoTimestamp = System.currentTimeMillis()
             // Launch notification if allowed
             KeyboardEntryNotificationService.launchNotificationIfAllowed(context, entry, toast)
         }

app/src/main/java/com/kunzisoft/keepass/model/DatabaseFile.kt

@@ -0,0 +1,26 @@
+package com.kunzisoft.keepass.model
+
+import android.net.Uri
+
+data class DatabaseFile(var databaseUri: Uri? = null,
+                        var keyFileUri: Uri? = null,
+                        var databaseDecodedPath: String? = null,
+                        var databaseAlias: String? = null,
+                        var databaseFileExists: Boolean = false,
+                        var databaseLastModified: String? = null,
+                        var databaseSize: String? = null) {
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other !is DatabaseFile) return false
+
+        if (databaseUri == null || other.databaseUri == null) return false
+        if (databaseUri != other.databaseUri) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        return databaseUri?.hashCode() ?: 0
+    }
+}

app/src/main/java/com/kunzisoft/keepass/model/EntryAttachmentState.kt

@@ -21,24 +21,25 @@ package com.kunzisoft.keepass.model
 
 import android.os.Parcel
 import android.os.Parcelable
-import com.kunzisoft.keepass.database.element.security.BinaryAttachment
+import com.kunzisoft.keepass.database.element.Attachment
+import com.kunzisoft.keepass.database.element.database.BinaryAttachment
 import com.kunzisoft.keepass.utils.readEnum
 import com.kunzisoft.keepass.utils.writeEnum
 
-data class EntryAttachment(var name: String,
-                           var binaryAttachment: BinaryAttachment,
+data class EntryAttachmentState(var attachment: Attachment,
+                                var streamDirection: StreamDirection,
                                 var downloadState: AttachmentState = AttachmentState.NULL,
                                 var downloadProgression: Int = 0) : Parcelable {
 
     constructor(parcel: Parcel) : this(
-            parcel.readString() ?: "",
-            parcel.readParcelable(BinaryAttachment::class.java.classLoader) ?: BinaryAttachment(),
+            parcel.readParcelable(Attachment::class.java.classLoader) ?: Attachment("", BinaryAttachment()),
+            parcel.readEnum<StreamDirection>() ?: StreamDirection.DOWNLOAD,
             parcel.readEnum<AttachmentState>() ?: AttachmentState.NULL,
             parcel.readInt())
 
     override fun writeToParcel(parcel: Parcel, flags: Int) {
-        parcel.writeString(name)
-        parcel.writeParcelable(binaryAttachment, flags)
+        parcel.writeParcelable(attachment, flags)
+        parcel.writeEnum(streamDirection)
         parcel.writeEnum(downloadState)
         parcel.writeInt(downloadProgression)
     }
@@ -47,12 +48,25 @@ data class EntryAttachment(var name: String,
         return 0
     }
 
-    companion object CREATOR : Parcelable.Creator<EntryAttachment> {
-        override fun createFromParcel(parcel: Parcel): EntryAttachment {
-            return EntryAttachment(parcel)
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other !is EntryAttachmentState) return false
+
+        if (attachment != other.attachment) return false
+
+        return true
     }
 
-        override fun newArray(size: Int): Array<EntryAttachment?> {
+    override fun hashCode(): Int {
+        return attachment.hashCode()
+    }
+
+    companion object CREATOR : Parcelable.Creator<EntryAttachmentState> {
+        override fun createFromParcel(parcel: Parcel): EntryAttachmentState {
+            return EntryAttachmentState(parcel)
+        }
+
+        override fun newArray(size: Int): Array<EntryAttachmentState?> {
             return arrayOfNulls(size)
         }
     }

app/src/main/java/com/kunzisoft/keepass/model/EntryInfo.kt

@@ -21,7 +21,10 @@ package com.kunzisoft.keepass.model
 
 import android.os.Parcel
 import android.os.Parcelable
+import com.kunzisoft.keepass.database.element.Attachment
+import com.kunzisoft.keepass.database.element.DateInstant
 import com.kunzisoft.keepass.database.element.icon.IconImage
+import com.kunzisoft.keepass.database.element.icon.IconImageStandard
 import com.kunzisoft.keepass.otp.OtpElement
 import com.kunzisoft.keepass.otp.OtpEntryFields.OTP_TOKEN_FIELD
 import java.util.*
@@ -30,12 +33,15 @@ class EntryInfo : Parcelable {
 
     var id: String = ""
     var title: String = ""
-    var icon: IconImage? = null
+    var icon: IconImage = IconImageStandard()
     var username: String = ""
     var password: String = ""
+    var expires: Boolean = false
+    var expiryTime: DateInstant = DateInstant.IN_ONE_MONTH
     var url: String = ""
     var notes: String = ""
-    var customFields: MutableList<Field> = ArrayList()
+    var customFields: List<Field> = ArrayList()
+    var attachments: List<Attachment> = ArrayList()
     var otpModel: OtpModel? = null
 
     constructor()
@@ -43,12 +49,15 @@ class EntryInfo : Parcelable {
     private constructor(parcel: Parcel) {
         id = parcel.readString() ?: id
         title = parcel.readString() ?: title
-        icon = parcel.readParcelable(IconImage::class.java.classLoader)
+        icon = parcel.readParcelable(IconImage::class.java.classLoader) ?: icon
         username = parcel.readString() ?: username
         password = parcel.readString() ?: password
+        expires = parcel.readInt() != 0
+        expiryTime = parcel.readParcelable(DateInstant::class.java.classLoader) ?: expiryTime
         url = parcel.readString() ?: url
         notes = parcel.readString() ?: notes
-        parcel.readList(customFields as List<Field>, Field::class.java.classLoader)
+        parcel.readList(customFields, Field::class.java.classLoader)
+        parcel.readList(attachments, Attachment::class.java.classLoader)
         otpModel = parcel.readParcelable(OtpModel::class.java.classLoader) ?: otpModel
     }
 
@@ -62,9 +71,12 @@ class EntryInfo : Parcelable {
         parcel.writeParcelable(icon, flags)
         parcel.writeString(username)
         parcel.writeString(password)
+        parcel.writeInt(if (expires) 1 else 0)
+        parcel.writeParcelable(expiryTime, flags)
         parcel.writeString(url)
         parcel.writeString(notes)
         parcel.writeArray(customFields.toTypedArray())
+        parcel.writeArray(attachments.toTypedArray())
         parcel.writeParcelable(otpModel, flags)
     }
 

app/src/main/java/com/kunzisoft/keepass/model/Field.kt

@@ -49,9 +49,7 @@ class Field : Parcelable {
 
     override fun equals(other: Any?): Boolean {
         if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as Field
+        if (other !is Field) return false
 
         if (name != other.name) return false
 

app/src/main/java/com/kunzisoft/keepass/model/FocusedEditField.kt

@@ -0,0 +1,56 @@
+package com.kunzisoft.keepass.model
+
+import android.os.Parcel
+import android.os.Parcelable
+
+class FocusedEditField : Parcelable {
+
+    var field: Field? = null
+    var cursorSelectionStart: Int = -1
+    var cursorSelectionEnd: Int = -1
+
+    constructor()
+
+    constructor(parcel: Parcel) {
+        this.field = parcel.readParcelable(Field::class.java.classLoader)
+        this.cursorSelectionStart = parcel.readInt()
+        this.cursorSelectionEnd = parcel.readInt()
+    }
+
+    fun destroy() {
+        this.field = null
+    }
+
+    override fun writeToParcel(parcel: Parcel, flags: Int) {
+        parcel.writeParcelable(field, flags)
+        parcel.writeInt(cursorSelectionStart)
+        parcel.writeInt(cursorSelectionEnd)
+    }
+
+    override fun describeContents(): Int {
+        return 0
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other !is FocusedEditField) return false
+
+        if (field != other.field) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        return field?.hashCode() ?: 0
+    }
+
+    companion object CREATOR : Parcelable.Creator<FocusedEditField> {
+        override fun createFromParcel(parcel: Parcel): FocusedEditField {
+            return FocusedEditField(parcel)
+        }
+
+        override fun newArray(size: Int): Array<FocusedEditField?> {
+            return arrayOfNulls(size)
+        }
+    }
+}

app/src/main/java/com/kunzisoft/keepass/model/StreamDirection.kt

@@ -0,0 +1,5 @@
+package com.kunzisoft.keepass.model
+
+enum class StreamDirection {
+    UPLOAD, DOWNLOAD
+}

app/src/main/java/com/kunzisoft/keepass/notifications/AttachmentFileNotificationService.kt

@@ -20,6 +20,7 @@
 package com.kunzisoft.keepass.notifications
 
 import android.app.PendingIntent
+import android.content.ContentResolver
 import android.content.Intent
 import android.net.Uri
 import android.os.Binder
@@ -27,53 +28,55 @@ import android.os.IBinder
 import android.util.Log
 import androidx.documentfile.provider.DocumentFile
 import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.database.element.Attachment
+import com.kunzisoft.keepass.database.element.database.BinaryAttachment
 import com.kunzisoft.keepass.model.AttachmentState
-import com.kunzisoft.keepass.model.EntryAttachment
-import com.kunzisoft.keepass.tasks.AttachmentFileAsyncTask
+import com.kunzisoft.keepass.model.EntryAttachmentState
+import com.kunzisoft.keepass.model.StreamDirection
+import com.kunzisoft.keepass.stream.readBytes
+import com.kunzisoft.keepass.timeout.TimeoutHelper
+import com.kunzisoft.keepass.utils.UriUtil
+import kotlinx.coroutines.*
+import java.io.BufferedInputStream
 import java.util.*
-import kotlin.collections.HashMap
+import java.util.concurrent.CopyOnWriteArrayList
 
 
 class AttachmentFileNotificationService: LockNotificationService() {
 
     override val notificationId: Int = 10000
+    private val attachmentNotificationList = CopyOnWriteArrayList<AttachmentNotification>()
 
     private var mActionTaskBinder = ActionTaskBinder()
     private var mActionTaskListeners = LinkedList<ActionTaskListener>()
 
+    private val mainScope = CoroutineScope(Dispatchers.Main)
+
     inner class ActionTaskBinder: Binder() {
 
         fun getService(): AttachmentFileNotificationService = this@AttachmentFileNotificationService
 
         fun addActionTaskListener(actionTaskListener: ActionTaskListener) {
             mActionTaskListeners.add(actionTaskListener)
-
-            downloadFileUris.forEach(object : (Map.Entry<Uri, AttachmentNotification>) -> Unit {
-                override fun invoke(entry: Map.Entry<Uri, AttachmentNotification>) {
-                    entry.value.attachmentTask?.onUpdate = { uri, attachment, notificationIdAttach ->
-                        newNotification(uri, attachment, notificationIdAttach)
-                        mActionTaskListeners.forEach { actionListener ->
-                            actionListener.onAttachmentProgress(entry.key, attachment)
-                        }
-                    }
-                }
-            })
-
         }
 
         fun removeActionTaskListener(actionTaskListener: ActionTaskListener) {
-            downloadFileUris.forEach(object : (Map.Entry<Uri, AttachmentNotification>) -> Unit {
-                override fun invoke(entry: Map.Entry<Uri, AttachmentNotification>) {
-                    entry.value.attachmentTask?.onUpdate = null
-                }
-            })
-
             mActionTaskListeners.remove(actionTaskListener)
         }
     }
 
+    private val attachmentFileActionListener = object: AttachmentFileAction.AttachmentFileActionListener {
+        override fun onUpdate(attachmentNotification: AttachmentNotification) {
+            newNotification(attachmentNotification)
+            mActionTaskListeners.forEach { actionListener ->
+                actionListener.onAttachmentAction(attachmentNotification.uri,
+                        attachmentNotification.entryAttachmentState)
+            }
+        }
+    }
+
     interface ActionTaskListener {
-        fun onAttachmentProgress(fileUri: Uri, attachment: EntryAttachment)
+        fun onAttachmentAction(fileUri: Uri, entryAttachmentState: EntryAttachmentState)
     }
 
     override fun onBind(intent: Intent): IBinder? {
@@ -83,46 +86,36 @@ class AttachmentFileNotificationService: LockNotificationService() {
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
         super.onStartCommand(intent, flags, startId)
 
-        val downloadFileUri: Uri? = if (intent?.hasExtra(DOWNLOAD_FILE_URI_KEY) == true) {
-            intent.getParcelableExtra(DOWNLOAD_FILE_URI_KEY)
+        val downloadFileUri: Uri? = if (intent?.hasExtra(FILE_URI_KEY) == true) {
+            intent.getParcelableExtra(FILE_URI_KEY)
         } else null
 
         when(intent?.action) {
+            ACTION_ATTACHMENT_FILE_START_UPLOAD -> {
+                actionUploadOrDownload(downloadFileUri,
+                        intent,
+                        StreamDirection.UPLOAD)
+            }
             ACTION_ATTACHMENT_FILE_START_DOWNLOAD -> {
-                if (downloadFileUri != null
-                        && intent.hasExtra(ATTACHMENT_KEY)) {
-
-                    val nextNotificationId = (downloadFileUris.values.maxBy { it.notificationId }
-                            ?.notificationId ?: notificationId) + 1
-
-                    try {
-                        intent.getParcelableExtra<EntryAttachment>(ATTACHMENT_KEY)?.let { entryAttachment ->
-                            val attachmentNotification = AttachmentNotification(nextNotificationId, entryAttachment)
-                            downloadFileUris[downloadFileUri] = attachmentNotification
-                            AttachmentFileAsyncTask(downloadFileUri,
-                                    attachmentNotification,
-                                    contentResolver).apply {
-                                onUpdate = { uri, attachment, notificationIdAttach ->
-                                    newNotification(uri, attachment, notificationIdAttach)
-                                    mActionTaskListeners.forEach { actionListener ->
-                                        actionListener.onAttachmentProgress(downloadFileUri, attachment)
+                actionUploadOrDownload(downloadFileUri,
+                        intent,
+                        StreamDirection.DOWNLOAD)
             }
-                                }
-                            }.execute()
-                        }
-                    } catch (e: Exception) {
-                        Log.e(TAG, "Unable to download $downloadFileUri", e)
+            ACTION_ATTACHMENT_REMOVE -> {
+                intent.getParcelableExtra<Attachment>(ATTACHMENT_KEY)?.let { entryAttachment ->
+                    attachmentNotificationList.firstOrNull { it.entryAttachmentState.attachment == entryAttachment }?.let { elementToRemove ->
+                        attachmentNotificationList.remove(elementToRemove)
                     }
                 }
             }
             else -> {
                 if (downloadFileUri != null) {
-                    downloadFileUris[downloadFileUri]?.notificationId?.let {
-                        notificationManager?.cancel(it)
-                        downloadFileUris.remove(downloadFileUri)
+                    attachmentNotificationList.firstOrNull { it.uri == downloadFileUri }?.let { elementToRemove ->
+                        notificationManager?.cancel(elementToRemove.notificationId)
+                        attachmentNotificationList.remove(elementToRemove)
                     }
                 }
-                if (downloadFileUris.isEmpty()) {
+                if (attachmentNotificationList.isEmpty()) {
                     stopSelf()
                 }
             }
@@ -131,25 +124,35 @@ class AttachmentFileNotificationService: LockNotificationService() {
         return START_REDELIVER_INTENT
     }
 
+    @Synchronized
     fun checkCurrentAttachmentProgress() {
-        downloadFileUris.forEach(object : (Map.Entry<Uri, AttachmentNotification>) -> Unit {
-            override fun invoke(entry: Map.Entry<Uri, AttachmentNotification>) {
+        attachmentNotificationList.forEach { attachmentNotification ->
             mActionTaskListeners.forEach { actionListener ->
-                    actionListener.onAttachmentProgress(entry.key, entry.value.entryAttachment)
+                actionListener.onAttachmentAction(
+                        attachmentNotification.uri,
+                        attachmentNotification.entryAttachmentState
+                )
             }
         }
-        })
     }
 
-    private fun newNotification(downloadFileUri: Uri,
-                                entryAttachment: EntryAttachment,
-                                notificationIdAttachment: Int) {
+    @Synchronized
+    fun removeAttachmentAction(entryAttachment: EntryAttachmentState) {
+        attachmentNotificationList.firstOrNull {
+            it.entryAttachmentState == entryAttachment
+        }?.let {
+            attachmentNotificationList.remove(it)
+        }
+    }
+
+    private fun newNotification(attachmentNotification: AttachmentNotification) {
 
         val pendingContentIntent = PendingIntent.getActivity(this,
                 0,
                 Intent().apply {
                     action = Intent.ACTION_VIEW
-                    setDataAndType(downloadFileUri, contentResolver.getType(downloadFileUri))
+                    setDataAndType(attachmentNotification.uri,
+                            contentResolver.getType(attachmentNotification.uri))
                     addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
                 }, PendingIntent.FLAG_CANCEL_CURRENT)
 
@@ -157,54 +160,84 @@ class AttachmentFileNotificationService: LockNotificationService() {
                 0,
                 Intent(this, AttachmentFileNotificationService::class.java).apply {
                     // No action to delete the service
-                    putExtra(DOWNLOAD_FILE_URI_KEY, downloadFileUri)
+                    putExtra(FILE_URI_KEY, attachmentNotification.uri)
                 }, PendingIntent.FLAG_CANCEL_CURRENT)
 
-        val fileName = DocumentFile.fromSingleUri(this, downloadFileUri)?.name ?: ""
+        val fileName = DocumentFile.fromSingleUri(this, attachmentNotification.uri)?.name ?: ""
 
         val builder = buildNewNotification().apply {
+            when (attachmentNotification.entryAttachmentState.streamDirection) {
+                StreamDirection.UPLOAD -> {
+                    setSmallIcon(R.drawable.ic_file_upload_white_24dp)
+                    setContentTitle(getString(R.string.upload_attachment, fileName))
+                }
+                StreamDirection.DOWNLOAD -> {
                     setSmallIcon(R.drawable.ic_file_download_white_24dp)
                     setContentTitle(getString(R.string.download_attachment, fileName))
+                }
+            }
             setAutoCancel(false)
-            when (entryAttachment.downloadState) {
+            when (attachmentNotification.entryAttachmentState.downloadState) {
                 AttachmentState.NULL, AttachmentState.START -> {
                     setContentText(getString(R.string.download_initialization))
                     setOngoing(true)
                 }
                 AttachmentState.IN_PROGRESS -> {
-                    if (entryAttachment.downloadProgression > 100) {
+                    if (attachmentNotification.entryAttachmentState.downloadProgression > 100) {
                         setContentText(getString(R.string.download_finalization))
                     } else {
-                        setProgress(100, entryAttachment.downloadProgression, false)
-                        setContentText(getString(R.string.download_progression, entryAttachment.downloadProgression))
+                        setProgress(100,
+                                attachmentNotification.entryAttachmentState.downloadProgression,
+                                false)
+                        setContentText(getString(R.string.download_progression,
+                                attachmentNotification.entryAttachmentState.downloadProgression))
                     }
                     setOngoing(true)
                 }
-                AttachmentState.COMPLETE, AttachmentState.ERROR -> {
+                AttachmentState.COMPLETE -> {
                     setContentText(getString(R.string.download_complete))
+                    when (attachmentNotification.entryAttachmentState.streamDirection) {
+                        StreamDirection.UPLOAD -> {
+
+                        }
+                        StreamDirection.DOWNLOAD -> {
                             setContentIntent(pendingContentIntent)
+                        }
+                    }
                     setDeleteIntent(pendingDeleteIntent)
                     setOngoing(false)
                 }
+                AttachmentState.ERROR -> {
+                    setContentText(getString(R.string.error_file_not_create))
+                    setOngoing(false)
+                }
+            }
+        }
+        when (attachmentNotification.entryAttachmentState.downloadState) {
+            AttachmentState.ERROR,
+            AttachmentState.COMPLETE -> {
+                stopForeground(false)
+                notificationManager?.notify(attachmentNotification.notificationId, builder.build())
+            } else -> {
+                startForeground(attachmentNotification.notificationId, builder.build())
             }
         }
-        notificationManager?.notify(notificationIdAttachment, builder.build())
     }
 
     override fun onDestroy() {
-        downloadFileUris.forEach(object : (Map.Entry<Uri, AttachmentNotification>) -> Unit {
-            override fun invoke(entry: Map.Entry<Uri, AttachmentNotification>) {
-                entry.value.attachmentTask?.onUpdate = null
-                notificationManager?.cancel(entry.value.notificationId)
+        attachmentNotificationList.forEach { attachmentNotification ->
+            attachmentNotification.attachmentFileAction?.listener = null
+            notificationManager?.cancel(attachmentNotification.notificationId)
         }
-        })
+        attachmentNotificationList.clear()
 
         super.onDestroy()
     }
 
-    data class AttachmentNotification(var notificationId: Int,
-                                      var entryAttachment: EntryAttachment,
-                                      var attachmentTask: AttachmentFileAsyncTask? = null) {
+    private data class AttachmentNotification(var uri: Uri,
+                                              var notificationId: Int,
+                                              var entryAttachmentState: EntryAttachmentState,
+                                              var attachmentFileAction: AttachmentFileAction? = null) {
         override fun equals(other: Any?): Boolean {
             if (this === other) return true
             if (javaClass != other?.javaClass) return false
@@ -221,15 +254,188 @@ class AttachmentFileNotificationService: LockNotificationService() {
         }
     }
 
+    private fun actionUploadOrDownload(downloadFileUri: Uri?,
+                                       intent: Intent,
+                                       streamDirection: StreamDirection) {
+        if (downloadFileUri != null
+                && intent.hasExtra(ATTACHMENT_KEY)) {
+            try {
+                intent.getParcelableExtra<Attachment>(ATTACHMENT_KEY)?.let { entryAttachment ->
+
+                    val nextNotificationId = (attachmentNotificationList.maxByOrNull { it.notificationId }
+                            ?.notificationId ?: notificationId) + 1
+                    val entryAttachmentState = EntryAttachmentState(entryAttachment, streamDirection)
+                    val attachmentNotification = AttachmentNotification(downloadFileUri, nextNotificationId, entryAttachmentState)
+
+                    // Add action to the list on start
+                    attachmentNotificationList.add(attachmentNotification)
+
+                    mainScope.launch {
+                        AttachmentFileAction(attachmentNotification,
+                                contentResolver).apply {
+                            listener = attachmentFileActionListener
+                        }.executeAction()
+                    }
+                }
+            } catch (e: Exception) {
+                Log.e(TAG, "Unable to upload/download $downloadFileUri", e)
+            }
+        }
+    }
+
+    private class AttachmentFileAction(
+            private val attachmentNotification: AttachmentNotification,
+            private val contentResolver: ContentResolver) {
+
+        private val updateMinFrequency = 1000
+        private var previousSaveTime = System.currentTimeMillis()
+        var listener: AttachmentFileActionListener? = null
+
+        interface AttachmentFileActionListener {
+            fun onUpdate(attachmentNotification: AttachmentNotification)
+        }
+
+        suspend fun executeAction() {
+
+            // on pre execute
+            CoroutineScope(Dispatchers.Main).launch {
+                TimeoutHelper.temporarilyDisableTimeout()
+
+                attachmentNotification.attachmentFileAction = this@AttachmentFileAction
+                attachmentNotification.entryAttachmentState.apply {
+                    downloadState = AttachmentState.START
+                    downloadProgression = 0
+                }
+                listener?.onUpdate(attachmentNotification)
+            }
+
+            withContext(Dispatchers.IO) {
+                // on Progress with thread
+                val asyncResult: Deferred<Boolean> = async {
+                    var progressResult = true
+                    try {
+                        attachmentNotification.entryAttachmentState.apply {
+                            downloadState = AttachmentState.IN_PROGRESS
+
+                            when (streamDirection) {
+                                StreamDirection.UPLOAD -> {
+                                    uploadToDatabase(
+                                            attachmentNotification.uri,
+                                            attachment.binaryAttachment,
+                                            contentResolver, 1024) { percent ->
+                                        publishProgress(percent)
+                                    }
+                                }
+                                StreamDirection.DOWNLOAD -> {
+                                    downloadFromDatabase(
+                                            attachmentNotification.uri,
+                                            attachment.binaryAttachment,
+                                            contentResolver, 1024) { percent ->
+                                        publishProgress(percent)
+                                    }
+                                }
+                            }
+                        }
+                    } catch (e: Exception) {
+                        Log.e(TAG, "Unable to upload or download file", e)
+                        progressResult = false
+                    }
+                    progressResult
+                }
+
+                // on post execute
+                withContext(Dispatchers.Main) {
+                    val result = asyncResult.await()
+                    attachmentNotification.attachmentFileAction = null
+                    attachmentNotification.entryAttachmentState.apply {
+                        downloadState = if (result) AttachmentState.COMPLETE else AttachmentState.ERROR
+                        downloadProgression = 100
+                    }
+                    listener?.onUpdate(attachmentNotification)
+                    TimeoutHelper.releaseTemporarilyDisableTimeout()
+                }
+
+            }
+        }
+
+        fun downloadFromDatabase(attachmentToUploadUri: Uri,
+                                 binaryAttachment: BinaryAttachment,
+                                 contentResolver: ContentResolver,
+                                 bufferSize: Int = DEFAULT_BUFFER_SIZE,
+                                 update: ((percent: Int)->Unit)? = null) {
+            var dataDownloaded = 0L
+            val fileSize = binaryAttachment.length()
+            UriUtil.getUriOutputStream(contentResolver, attachmentToUploadUri)?.use { outputStream ->
+                binaryAttachment.getUnGzipInputDataStream().use { inputStream ->
+                    inputStream.readBytes(bufferSize) { buffer ->
+                        outputStream.write(buffer)
+                        dataDownloaded += buffer.size
+                        try {
+                            val percentDownload = (100 * dataDownloaded / fileSize).toInt()
+                            update?.invoke(percentDownload)
+                        } catch (e: Exception) {
+                            Log.e(TAG, "", e)
+                        }
+                    }
+                }
+            }
+        }
+
+        fun uploadToDatabase(attachmentFromDownloadUri: Uri,
+                             binaryAttachment: BinaryAttachment,
+                             contentResolver: ContentResolver,
+                             bufferSize: Int = DEFAULT_BUFFER_SIZE,
+                             update: ((percent: Int)->Unit)? = null) {
+            var dataUploaded = 0L
+            val fileSize = contentResolver.openFileDescriptor(attachmentFromDownloadUri, "r")?.statSize ?: 0
+            UriUtil.getUriInputStream(contentResolver, attachmentFromDownloadUri)?.let { inputStream ->
+                binaryAttachment.getGzipOutputDataStream().use { outputStream ->
+                    BufferedInputStream(inputStream).use { attachmentBufferedInputStream ->
+                        attachmentBufferedInputStream.readBytes(bufferSize) { buffer ->
+                            outputStream.write(buffer)
+                            dataUploaded += buffer.size
+                            try {
+                                val percentDownload = (100 * dataUploaded / fileSize).toInt()
+                                update?.invoke(percentDownload)
+                            } catch (e: Exception) {
+                                Log.e(TAG, "", e)
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        private fun publishProgress(percent: Int) {
+            // Publish progress
+            val currentTime = System.currentTimeMillis()
+            if (previousSaveTime + updateMinFrequency < currentTime) {
+                attachmentNotification.entryAttachmentState.apply {
+                    downloadState = AttachmentState.IN_PROGRESS
+                    downloadProgression = percent
+                }
+                CoroutineScope(Dispatchers.Main).launch {
+                    listener?.onUpdate(attachmentNotification)
+                    Log.d(TAG, "Download file ${attachmentNotification.uri} : $percent%")
+                }
+                previousSaveTime = currentTime
+            }
+        }
+
+        companion object {
+            private val TAG = AttachmentFileAction::class.java.name
+        }
+    }
+
     companion object {
         private val TAG = AttachmentFileNotificationService::javaClass.name
 
+        const val ACTION_ATTACHMENT_FILE_START_UPLOAD = "ACTION_ATTACHMENT_FILE_START_UPLOAD"
         const val ACTION_ATTACHMENT_FILE_START_DOWNLOAD = "ACTION_ATTACHMENT_FILE_START_DOWNLOAD"
+        const val ACTION_ATTACHMENT_REMOVE = "ACTION_ATTACHMENT_REMOVE"
 
-        const val DOWNLOAD_FILE_URI_KEY = "DOWNLOAD_FILE_URI_KEY"
+        const val FILE_URI_KEY = "FILE_URI_KEY"
         const val ATTACHMENT_KEY = "ATTACHMENT_KEY"
-
-        private val downloadFileUris = HashMap<Uri, AttachmentNotification>()
     }
 
 }

app/src/main/java/com/kunzisoft/keepass/notifications/DatabaseOpenNotificationService.kt

@@ -1,122 +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.notifications
-
-import android.app.PendingIntent
-import android.content.Context
-import android.content.Intent
-import android.os.Build
-import android.os.IBinder
-import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.activities.GroupActivity
-import com.kunzisoft.keepass.database.element.Database
-import com.kunzisoft.keepass.timeout.TimeoutHelper
-import com.kunzisoft.keepass.utils.LOCK_ACTION
-import com.kunzisoft.keepass.utils.closeDatabase
-
-class DatabaseOpenNotificationService: LockNotificationService() {
-
-    override val notificationId: Int = 340
-
-    private fun stopNotificationAndSendLock() {
-        // Send lock action
-        sendBroadcast(Intent(LOCK_ACTION))
-    }
-
-    override fun actionOnLock() {
-        closeDatabase()
-        // Remove the lock timer (no more needed if it exists)
-        TimeoutHelper.cancelLockTimer(this)
-        // Service is stopped after receive the broadcast
-        super.actionOnLock()
-    }
-
-    private fun checkIntent(intent: Intent?) {
-        val notificationBuilder = buildNewNotification().apply {
-            setSmallIcon(R.drawable.notification_ic_database_open)
-            setContentTitle(getString(R.string.database_opened))
-            setAutoCancel(false)
-        }
-
-        when(intent?.action) {
-            ACTION_CLOSE_DATABASE -> {
-                startForeground(notificationId, notificationBuilder.build())
-                stopNotificationAndSendLock()
-            }
-            else -> {
-                val databaseIntent = Intent(this, GroupActivity::class.java)
-                var pendingDatabaseFlag = 0
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-                    pendingDatabaseFlag = PendingIntent.FLAG_IMMUTABLE
-                }
-                val pendingDatabaseIntent = PendingIntent.getActivity(this, 0, databaseIntent, pendingDatabaseFlag)
-                val deleteIntent = Intent(this, DatabaseOpenNotificationService::class.java).apply {
-                    action = ACTION_CLOSE_DATABASE
-                }
-                val pendingDeleteIntent = PendingIntent.getService(this, 0, deleteIntent, PendingIntent.FLAG_UPDATE_CURRENT)
-
-                val database = Database.getInstance()
-                if (database.loaded) {
-                    startForeground(notificationId, notificationBuilder.apply {
-                        setContentText(database.name + " (" + database.version + ")")
-                        setContentIntent(pendingDatabaseIntent)
-                        // Unfortunately swipe is disabled in lollipop+
-                        setDeleteIntent(pendingDeleteIntent)
-                        addAction(R.drawable.ic_lock_white_24dp, getString(R.string.lock),
-                                pendingDeleteIntent)
-                    }.build())
-                } else {
-                    startForeground(notificationId, notificationBuilder.build())
-                    stopSelf()
-                }
-            }
-        }
-    }
-
-    override fun onBind(intent: Intent): IBinder? {
-        checkIntent(intent)
-        return super.onBind(intent)
-    }
-
-    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
-        super.onStartCommand(intent, flags, startId)
-        checkIntent(intent)
-        return START_STICKY
-    }
-
-    companion object {
-        const val ACTION_CLOSE_DATABASE = "ACTION_CLOSE_DATABASE"
-
-        fun start(context: Context) {
-            // Start the opening notification, keep it active to receive lock
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-                context.startForegroundService(Intent(context, DatabaseOpenNotificationService::class.java))
-            } else {
-                context.startService(Intent(context, DatabaseOpenNotificationService::class.java))
-            }
-        }
-
-        fun stop(context: Context) {
-            // Stop the opening notification
-            context.stopService(Intent(context, DatabaseOpenNotificationService::class.java))
-        }
-    }
-
-}

app/src/main/java/com/kunzisoft/keepass/notifications/DatabaseTaskNotificationService.kt

@@ -19,12 +19,15 @@
  */
 package com.kunzisoft.keepass.notifications
 
+import android.app.PendingIntent
 import android.content.Intent
 import android.net.Uri
 import android.os.Binder
+import android.os.Build
 import android.os.Bundle
 import android.os.IBinder
 import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.activities.GroupActivity
 import com.kunzisoft.keepass.app.database.CipherDatabaseEntity
 import com.kunzisoft.keepass.database.action.*
 import com.kunzisoft.keepass.database.action.history.DeleteEntryHistoryDatabaseRunnable
@@ -42,22 +45,28 @@ import com.kunzisoft.keepass.tasks.ProgressTaskUpdater
 import com.kunzisoft.keepass.timeout.TimeoutHelper
 import com.kunzisoft.keepass.utils.DATABASE_START_TASK_ACTION
 import com.kunzisoft.keepass.utils.DATABASE_STOP_TASK_ACTION
+import com.kunzisoft.keepass.utils.LOCK_ACTION
+import com.kunzisoft.keepass.utils.closeDatabase
 import kotlinx.coroutines.*
 import java.util.*
 import java.util.concurrent.atomic.AtomicBoolean
 import kotlin.collections.ArrayList
 
-class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdater {
+open class DatabaseTaskNotificationService : LockNotificationService(), ProgressTaskUpdater {
 
     override val notificationId: Int = 575
 
+    private lateinit var mDatabase: Database
+
     private val mainScope = CoroutineScope(Dispatchers.Main)
 
     private var mActionTaskBinder = ActionTaskBinder()
     private var mActionTaskListeners = LinkedList<ActionTaskListener>()
     private var mAllowFinishAction = AtomicBoolean()
+    private var mActionRunning = false
 
-    private var mTitleId: Int? = null
+    private var mIconId: Int = R.drawable.notification_ic_database_load
+    private var mTitleId: Int = R.string.database_opened
     private var mMessageId: Int? = null
     private var mWarningId: Int? = null
 
@@ -66,8 +75,8 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
         fun getService(): DatabaseTaskNotificationService = this@DatabaseTaskNotificationService
 
         fun addActionTaskListener(actionTaskListener: ActionTaskListener) {
-            mActionTaskListeners.add(actionTaskListener)
             mAllowFinishAction.set(true)
+            mActionTaskListeners.add(actionTaskListener)
         }
 
         fun removeActionTaskListener(actionTaskListener: ActionTaskListener) {
@@ -84,65 +93,40 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
         fun onStopAction(actionTask: String, result: ActionRunnable.Result)
     }
 
+    /**
+     * Force to call [ActionTaskListener.onStartAction] if the action is still running
+     */
     fun checkAction() {
+        if (mActionRunning) {
             mActionTaskListeners.forEach { actionTaskListener ->
                 actionTaskListener.onStartAction(mTitleId, mMessageId, mWarningId)
             }
         }
-
-    private fun buildNotification(intent: Intent?) {
-        var saveAction = true
-        if (intent != null && intent.hasExtra(SAVE_DATABASE_KEY)) {
-            saveAction = intent.getBooleanExtra(SAVE_DATABASE_KEY, saveAction)
-        }
-
-        val intentAction = intent?.action
-        val titleId: Int = when (intentAction) {
-            ACTION_DATABASE_CREATE_TASK -> R.string.creating_database
-            ACTION_DATABASE_LOAD_TASK -> R.string.loading_database
-            else -> {
-                if (saveAction)
-                    R.string.saving_database
-                else
-                    R.string.command_execution
-            }
-        }
-        val messageId: Int? = when (intentAction) {
-            ACTION_DATABASE_LOAD_TASK -> null
-            else -> null
-        }
-        val warningId: Int? =
-                if (!saveAction
-                        || intentAction == ACTION_DATABASE_LOAD_TASK)
-                    null
-                else
-                    R.string.do_not_kill_app
-
-        // Assign elements for updates
-        mTitleId = titleId
-        mMessageId = messageId
-        mWarningId = warningId
-        // Create the notification
-        startForeground(notificationId, buildNewNotification()
-                .setSmallIcon(R.drawable.notification_ic_database_load)
-                .setContentTitle(getString(intent?.getIntExtra(DATABASE_TASK_TITLE_KEY, titleId) ?: titleId))
-                .setAutoCancel(false)
-                .setContentIntent(null).build())
     }
 
     override fun onBind(intent: Intent): IBinder? {
-        buildNotification(intent)
+        super.onBind(intent)
         return mActionTaskBinder
     }
 
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
         super.onStartCommand(intent, flags, startId)
 
-        buildNotification(intent)
+        mDatabase = Database.getInstance()
 
-        if (intent == null) return START_REDELIVER_INTENT
+        // Create the notification
+        buildMessage(intent)
+
+        val intentAction = intent?.action
+
+        if (intentAction == null && !mDatabase.loaded) {
+            stopSelf()
+        }
+        if (intentAction == ACTION_DATABASE_CLOSE) {
+            // Send lock action
+            sendBroadcast(Intent(LOCK_ACTION))
+        }
 
-        val intentAction = intent.action
         val actionRunnable: ActionRunnable? =  when (intentAction) {
             ACTION_DATABASE_CREATE_TASK -> buildDatabaseCreateActionTask(intent)
             ACTION_DATABASE_LOAD_TASK -> buildDatabaseLoadActionTask(intent)
@@ -157,6 +141,7 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
             ACTION_DATABASE_RESTORE_ENTRY_HISTORY -> buildDatabaseRestoreEntryHistoryActionTask(intent)
             ACTION_DATABASE_DELETE_ENTRY_HISTORY -> buildDatabaseDeleteEntryHistoryActionTask(intent)
             ACTION_DATABASE_UPDATE_COMPRESSION_TASK -> buildDatabaseUpdateCompressionActionTask(intent)
+            ACTION_DATABASE_REMOVE_UNLINKED_DATA_TASK -> buildDatabaseRemoveUnlinkedDataActionTask(intent)
             ACTION_DATABASE_UPDATE_NAME_TASK,
             ACTION_DATABASE_UPDATE_DESCRIPTION_TASK,
             ACTION_DATABASE_UPDATE_DEFAULT_USERNAME_TASK,
@@ -172,12 +157,13 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
             else -> null
         }
 
-        actionRunnable?.let { actionRunnableNotNull ->
-
         // Build and launch the action
+        if (actionRunnable != null) {
             mainScope.launch {
                 executeAction(this@DatabaseTaskNotificationService,
                         {
+                            mActionRunning = true
+
                             sendBroadcast(Intent(DATABASE_START_TASK_ACTION).apply {
                                 putExtra(DATABASE_TASK_TITLE_KEY, mTitleId)
                                 putExtra(DATABASE_TASK_MESSAGE_KEY, mMessageId)
@@ -190,22 +176,160 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
 
                         },
                         {
-                            actionRunnableNotNull
+                            actionRunnable
                         },
                         { result ->
+                            try {
                                 mActionTaskListeners.forEach { actionTaskListener ->
                                     actionTaskListener.onStopAction(intentAction!!, result)
                                 }
+                            } finally {
+                                removeIntentData(intent)
+                                TimeoutHelper.releaseTemporarilyDisableTimeout()
+                                if (TimeoutHelper.checkTimeAndLockIfTimeout(this@DatabaseTaskNotificationService)) {
+                                    if (!mDatabase.loaded) {
+                                        stopSelf()
+                                    } else {
+                                        // Restart the service to open lock notification
+                                        startService(Intent(applicationContext,
+                                                DatabaseTaskNotificationService::class.java))
+                                    }
+                                }
+                            }
 
                             sendBroadcast(Intent(DATABASE_STOP_TASK_ACTION))
 
-                            stopSelf()
+                            mActionRunning = false
                         }
                 )
             }
         }
 
-        return START_REDELIVER_INTENT
+        return when (intentAction) {
+            ACTION_DATABASE_LOAD_TASK, null -> {
+                START_STICKY
+            }
+            else -> {
+                // Relaunch action if failed
+                START_REDELIVER_INTENT
+            }
+        }
+    }
+
+    private fun buildMessage(intent: Intent?) {
+        // Assign elements for updates
+        val intentAction = intent?.action
+
+        var saveAction = false
+        if (intent != null && intent.hasExtra(SAVE_DATABASE_KEY)) {
+            saveAction = intent.getBooleanExtra(SAVE_DATABASE_KEY, saveAction)
+        }
+
+        mIconId = if (intentAction == null)
+            R.drawable.notification_ic_database_open
+        else
+            R.drawable.notification_ic_database_load
+
+        mTitleId = when {
+            saveAction -> {
+                R.string.saving_database
+            }
+            intentAction == null -> {
+                R.string.database_opened
+            }
+            else -> {
+                when (intentAction) {
+                    ACTION_DATABASE_CREATE_TASK -> R.string.creating_database
+                    ACTION_DATABASE_LOAD_TASK -> R.string.loading_database
+                    ACTION_DATABASE_SAVE -> R.string.saving_database
+                    else -> {
+                        R.string.command_execution
+                    }
+                }
+            }
+        }
+
+        mMessageId = when (intentAction) {
+            ACTION_DATABASE_LOAD_TASK -> null
+            else -> null
+        }
+
+        mWarningId =
+                if (!saveAction
+                        || intentAction == ACTION_DATABASE_LOAD_TASK)
+                    null
+                else
+                    R.string.do_not_kill_app
+
+        val notificationBuilder =  buildNewNotification().apply {
+            setSmallIcon(mIconId)
+            intent?.let {
+                setContentTitle(getString(intent.getIntExtra(DATABASE_TASK_TITLE_KEY, mTitleId)))
+            }
+            setAutoCancel(false)
+            setContentIntent(null)
+        }
+
+        if (intentAction == null) {
+            // Database is normally open
+            if (mDatabase.loaded) {
+                // Build Intents for notification action
+                var pendingDatabaseFlag = 0
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                    pendingDatabaseFlag = PendingIntent.FLAG_IMMUTABLE
+                }
+                val pendingDatabaseIntent = PendingIntent.getActivity(this,
+                        0,
+                        Intent(this, GroupActivity::class.java),
+                        pendingDatabaseFlag)
+                val deleteIntent = Intent(this, DatabaseTaskNotificationService::class.java).apply {
+                    action = ACTION_DATABASE_CLOSE
+                }
+                val pendingDeleteIntent = PendingIntent.getService(this, 0, deleteIntent, PendingIntent.FLAG_UPDATE_CURRENT)
+                // Add actions in notifications
+                notificationBuilder.apply {
+                    setContentText(mDatabase.name + " (" + mDatabase.version + ")")
+                    setContentIntent(pendingDatabaseIntent)
+                    // Unfortunately swipe is disabled in lollipop+
+                    setDeleteIntent(pendingDeleteIntent)
+                    addAction(R.drawable.ic_lock_white_24dp, getString(R.string.lock),
+                            pendingDeleteIntent)
+                }
+            }
+        }
+
+        // Create the notification
+        startForeground(notificationId, notificationBuilder.build())
+    }
+
+    private fun removeIntentData(intent: Intent?) {
+        intent?.action = null
+
+        intent?.removeExtra(DATABASE_TASK_TITLE_KEY)
+        intent?.removeExtra(DATABASE_TASK_MESSAGE_KEY)
+        intent?.removeExtra(DATABASE_TASK_WARNING_KEY)
+
+        intent?.removeExtra(DATABASE_URI_KEY)
+        intent?.removeExtra(MASTER_PASSWORD_CHECKED_KEY)
+        intent?.removeExtra(MASTER_PASSWORD_KEY)
+        intent?.removeExtra(KEY_FILE_CHECKED_KEY)
+        intent?.removeExtra(KEY_FILE_URI_KEY)
+        intent?.removeExtra(READ_ONLY_KEY)
+        intent?.removeExtra(CIPHER_ENTITY_KEY)
+        intent?.removeExtra(FIX_DUPLICATE_UUID_KEY)
+        intent?.removeExtra(GROUP_KEY)
+        intent?.removeExtra(ENTRY_KEY)
+        intent?.removeExtra(GROUP_ID_KEY)
+        intent?.removeExtra(ENTRY_ID_KEY)
+        intent?.removeExtra(GROUPS_ID_KEY)
+        intent?.removeExtra(ENTRIES_ID_KEY)
+        intent?.removeExtra(PARENT_ID_KEY)
+        intent?.removeExtra(ENTRY_HISTORY_POSITION_KEY)
+        intent?.removeExtra(SAVE_DATABASE_KEY)
+        intent?.removeExtra(OLD_NODES_KEY)
+        intent?.removeExtra(NEW_NODES_KEY)
+        intent?.removeExtra(OLD_ELEMENT_KEY)
+        intent?.removeExtra(NEW_ELEMENT_KEY)
     }
 
     /**
@@ -235,15 +359,7 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                     result
                 }
                 withContext(Dispatchers.Main) {
-                    try {
                     onPostExecute.invoke(asyncResult.await())
-                    } finally {
-                        TimeoutHelper.releaseTemporarilyDisableTimeout()
-                        // Start the opening notification
-                        if (TimeoutHelper.checkTimeAndLockIfTimeout(this@DatabaseTaskNotificationService)) {
-                            DatabaseOpenNotificationService.start(this@DatabaseTaskNotificationService)
-                        }
-                    }
                 }
             }
         }
@@ -256,22 +372,32 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
         }
     }
 
+    override fun actionOnLock() {
+        if (!TimeoutHelper.temporarilyDisableTimeout) {
+            closeDatabase()
+            // Remove the lock timer (no more needed if it exists)
+            TimeoutHelper.cancelLockTimer(this)
+            // Service is stopped after receive the broadcast
+            super.actionOnLock()
+        }
+    }
+
     private fun buildDatabaseCreateActionTask(intent: Intent): ActionRunnable? {
 
         if (intent.hasExtra(DATABASE_URI_KEY)
                 && intent.hasExtra(MASTER_PASSWORD_CHECKED_KEY)
                 && intent.hasExtra(MASTER_PASSWORD_KEY)
                 && intent.hasExtra(KEY_FILE_CHECKED_KEY)
-                && intent.hasExtra(KEY_FILE_KEY)
+                && intent.hasExtra(KEY_FILE_URI_KEY)
         ) {
             val databaseUri: Uri? = intent.getParcelableExtra(DATABASE_URI_KEY)
-            val keyFileUri: Uri? = intent.getParcelableExtra(KEY_FILE_KEY)
+            val keyFileUri: Uri? = intent.getParcelableExtra(KEY_FILE_URI_KEY)
 
             if (databaseUri == null)
                 return null
 
             return CreateDatabaseRunnable(this,
-                    Database.getInstance(),
+                    mDatabase,
                     databaseUri,
                     getString(R.string.database_default_name),
                     getString(R.string.database),
@@ -279,7 +405,12 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                     intent.getStringExtra(MASTER_PASSWORD_KEY),
                     intent.getBooleanExtra(KEY_FILE_CHECKED_KEY, false),
                     keyFileUri
-            )
+            ) { result ->
+                result.data = Bundle().apply {
+                    putParcelable(DATABASE_URI_KEY, databaseUri)
+                    putParcelable(KEY_FILE_URI_KEY, keyFileUri)
+                }
+            }
         } else {
             return null
         }
@@ -289,15 +420,14 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
 
         if (intent.hasExtra(DATABASE_URI_KEY)
                 && intent.hasExtra(MASTER_PASSWORD_KEY)
-                && intent.hasExtra(KEY_FILE_KEY)
+                && intent.hasExtra(KEY_FILE_URI_KEY)
                 && intent.hasExtra(READ_ONLY_KEY)
                 && intent.hasExtra(CIPHER_ENTITY_KEY)
                 && intent.hasExtra(FIX_DUPLICATE_UUID_KEY)
         ) {
-            val database = Database.getInstance()
             val databaseUri: Uri? = intent.getParcelableExtra(DATABASE_URI_KEY)
             val masterPassword: String? = intent.getStringExtra(MASTER_PASSWORD_KEY)
-            val keyFileUri: Uri? = intent.getParcelableExtra(KEY_FILE_KEY)
+            val keyFileUri: Uri? = intent.getParcelableExtra(KEY_FILE_URI_KEY)
             val readOnly: Boolean = intent.getBooleanExtra(READ_ONLY_KEY, true)
             val cipherEntity: CipherDatabaseEntity? = intent.getParcelableExtra(CIPHER_ENTITY_KEY)
 
@@ -306,7 +436,7 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
 
             return LoadDatabaseRunnable(
                     this,
-                    database,
+                    mDatabase,
                     databaseUri,
                     masterPassword,
                     keyFileUri,
@@ -319,7 +449,7 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                 result.data = Bundle().apply {
                     putParcelable(DATABASE_URI_KEY, databaseUri)
                     putString(MASTER_PASSWORD_KEY, masterPassword)
-                    putParcelable(KEY_FILE_KEY, keyFileUri)
+                    putParcelable(KEY_FILE_URI_KEY, keyFileUri)
                     putBoolean(READ_ONLY_KEY, readOnly)
                     putParcelable(CIPHER_ENTITY_KEY, cipherEntity)
                 }
@@ -334,16 +464,16 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                 && intent.hasExtra(MASTER_PASSWORD_CHECKED_KEY)
                 && intent.hasExtra(MASTER_PASSWORD_KEY)
                 && intent.hasExtra(KEY_FILE_CHECKED_KEY)
-                && intent.hasExtra(KEY_FILE_KEY)
+                && intent.hasExtra(KEY_FILE_URI_KEY)
         ) {
             val databaseUri: Uri = intent.getParcelableExtra(DATABASE_URI_KEY) ?: return null
             AssignPasswordInDatabaseRunnable(this,
-                    Database.getInstance(),
+                    mDatabase,
                     databaseUri,
                     intent.getBooleanExtra(MASTER_PASSWORD_CHECKED_KEY, false),
                     intent.getStringExtra(MASTER_PASSWORD_KEY),
                     intent.getBooleanExtra(KEY_FILE_CHECKED_KEY, false),
-                    intent.getParcelableExtra(KEY_FILE_KEY)
+                    intent.getParcelableExtra(KEY_FILE_URI_KEY)
             )
         } else {
             null
@@ -365,7 +495,6 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                 && intent.hasExtra(PARENT_ID_KEY)
                 && intent.hasExtra(SAVE_DATABASE_KEY)
         ) {
-            val database = Database.getInstance()
             val parentId: NodeId<*>? = intent.getParcelableExtra(PARENT_ID_KEY)
             val newGroup: Group? = intent.getParcelableExtra(GROUP_KEY)
 
@@ -373,9 +502,9 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                     || newGroup == null)
                 return null
 
-            database.getGroupById(parentId)?.let { parent ->
+            mDatabase.getGroupById(parentId)?.let { parent ->
                 AddGroupRunnable(this,
-                        database,
+                        mDatabase,
                         newGroup,
                         parent,
                         intent.getBooleanExtra(SAVE_DATABASE_KEY, false),
@@ -391,7 +520,6 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                 && intent.hasExtra(GROUP_KEY)
                 && intent.hasExtra(SAVE_DATABASE_KEY)
         ) {
-            val database = Database.getInstance()
             val groupId: NodeId<*>? = intent.getParcelableExtra(GROUP_ID_KEY)
             val newGroup: Group? = intent.getParcelableExtra(GROUP_KEY)
 
@@ -399,9 +527,9 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                     || newGroup == null)
                 return null
 
-            database.getGroupById(groupId)?.let { oldGroup ->
+            mDatabase.getGroupById(groupId)?.let { oldGroup ->
                 UpdateGroupRunnable(this,
-                        database,
+                        mDatabase,
                         oldGroup,
                         newGroup,
                         intent.getBooleanExtra(SAVE_DATABASE_KEY, false),
@@ -417,7 +545,6 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                 && intent.hasExtra(PARENT_ID_KEY)
                 && intent.hasExtra(SAVE_DATABASE_KEY)
         ) {
-            val database = Database.getInstance()
             val parentId: NodeId<*>? = intent.getParcelableExtra(PARENT_ID_KEY)
             val newEntry: Entry? = intent.getParcelableExtra(ENTRY_KEY)
 
@@ -425,9 +552,9 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                     || newEntry == null)
                 return null
 
-            database.getGroupById(parentId)?.let { parent ->
+            mDatabase.getGroupById(parentId)?.let { parent ->
                 AddEntryRunnable(this,
-                        database,
+                        mDatabase,
                         newEntry,
                         parent,
                         intent.getBooleanExtra(SAVE_DATABASE_KEY, false),
@@ -443,7 +570,6 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                 && intent.hasExtra(ENTRY_KEY)
                 && intent.hasExtra(SAVE_DATABASE_KEY)
         ) {
-            val database = Database.getInstance()
             val entryId: NodeId<UUID>? = intent.getParcelableExtra(ENTRY_ID_KEY)
             val newEntry: Entry? = intent.getParcelableExtra(ENTRY_KEY)
 
@@ -451,9 +577,9 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                     || newEntry == null)
                 return null
 
-            database.getEntryById(entryId)?.let { oldEntry ->
+            mDatabase.getEntryById(entryId)?.let { oldEntry ->
                 UpdateEntryRunnable(this,
-                        database,
+                        mDatabase,
                         oldEntry,
                         newEntry,
                         intent.getBooleanExtra(SAVE_DATABASE_KEY, false),
@@ -470,13 +596,12 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                 && intent.hasExtra(PARENT_ID_KEY)
                 && intent.hasExtra(SAVE_DATABASE_KEY)
         ) {
-            val database = Database.getInstance()
             val parentId: NodeId<*> = intent.getParcelableExtra(PARENT_ID_KEY) ?: return null
 
-            database.getGroupById(parentId)?.let { newParent ->
+            mDatabase.getGroupById(parentId)?.let { newParent ->
                 CopyNodesRunnable(this,
-                        database,
-                        getListNodesFromBundle(database, intent.extras!!),
+                        mDatabase,
+                        getListNodesFromBundle(mDatabase, intent.extras!!),
                         newParent,
                         intent.getBooleanExtra(SAVE_DATABASE_KEY, false),
                         AfterActionNodesRunnable())
@@ -492,13 +617,12 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                 && intent.hasExtra(PARENT_ID_KEY)
                 && intent.hasExtra(SAVE_DATABASE_KEY)
         ) {
-            val database = Database.getInstance()
             val parentId: NodeId<*> = intent.getParcelableExtra(PARENT_ID_KEY) ?: return null
 
-            database.getGroupById(parentId)?.let { newParent ->
+            mDatabase.getGroupById(parentId)?.let { newParent ->
                 MoveNodesRunnable(this,
-                        database,
-                        getListNodesFromBundle(database, intent.extras!!),
+                        mDatabase,
+                        getListNodesFromBundle(mDatabase, intent.extras!!),
                         newParent,
                         intent.getBooleanExtra(SAVE_DATABASE_KEY, false),
                         AfterActionNodesRunnable())
@@ -513,10 +637,9 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                 && intent.hasExtra(ENTRIES_ID_KEY)
                 && intent.hasExtra(SAVE_DATABASE_KEY)
         ) {
-            val database = Database.getInstance()
                 DeleteNodesRunnable(this,
-                        database,
-                        getListNodesFromBundle(database, intent.extras!!),
+                        mDatabase,
+                        getListNodesFromBundle(mDatabase, intent.extras!!),
                         intent.getBooleanExtra(SAVE_DATABASE_KEY, false),
                         AfterActionNodesRunnable())
         } else {
@@ -529,12 +652,11 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                 && intent.hasExtra(ENTRY_HISTORY_POSITION_KEY)
                 && intent.hasExtra(SAVE_DATABASE_KEY)
         ) {
-            val database = Database.getInstance()
             val entryId: NodeId<UUID> = intent.getParcelableExtra(ENTRY_ID_KEY) ?: return null
 
-            database.getEntryById(entryId)?.let { mainEntry ->
+            mDatabase.getEntryById(entryId)?.let { mainEntry ->
                 RestoreEntryHistoryDatabaseRunnable(this,
-                        database,
+                        mDatabase,
                         mainEntry,
                         intent.getIntExtra(ENTRY_HISTORY_POSITION_KEY, -1),
                         intent.getBooleanExtra(SAVE_DATABASE_KEY, false))
@@ -549,12 +671,11 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                 && intent.hasExtra(ENTRY_HISTORY_POSITION_KEY)
                 && intent.hasExtra(SAVE_DATABASE_KEY)
         ) {
-            val database = Database.getInstance()
             val entryId: NodeId<UUID> = intent.getParcelableExtra(ENTRY_ID_KEY) ?: return null
 
-            database.getEntryById(entryId)?.let { mainEntry ->
+            mDatabase.getEntryById(entryId)?.let { mainEntry ->
                 DeleteEntryHistoryDatabaseRunnable(this,
-                        database,
+                        mDatabase,
                         mainEntry,
                         intent.getIntExtra(ENTRY_HISTORY_POSITION_KEY, -1),
                         intent.getBooleanExtra(SAVE_DATABASE_KEY, false))
@@ -577,7 +698,7 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
                 return null
 
             return UpdateCompressionBinariesDatabaseRunnable(this,
-                    Database.getInstance(),
+                    mDatabase,
                     oldElement,
                     newElement,
                     intent.getBooleanExtra(SAVE_DATABASE_KEY, false)
@@ -591,10 +712,26 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
         }
     }
 
+    private fun buildDatabaseRemoveUnlinkedDataActionTask(intent: Intent): ActionRunnable? {
+        return if (intent.hasExtra(SAVE_DATABASE_KEY)) {
+
+            return RemoveUnlinkedDataDatabaseRunnable(this,
+                    mDatabase,
+                    intent.getBooleanExtra(SAVE_DATABASE_KEY, false)
+            ).apply {
+                mAfterSaveDatabase = { result ->
+                    result.data = intent.extras
+                }
+            }
+        } else {
+            null
+        }
+    }
+
     private fun buildDatabaseUpdateElementActionTask(intent: Intent): ActionRunnable? {
         return if (intent.hasExtra(SAVE_DATABASE_KEY)) {
             return SaveDatabaseRunnable(this,
-                    Database.getInstance(),
+                    mDatabase,
                     intent.getBooleanExtra(SAVE_DATABASE_KEY, false)
             ).apply {
                 mAfterSaveDatabase = { result ->
@@ -612,7 +749,7 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
     private fun buildDatabaseSave(intent: Intent): ActionRunnable? {
         return if (intent.hasExtra(SAVE_DATABASE_KEY)) {
             SaveDatabaseRunnable(this,
-                    Database.getInstance(),
+                    mDatabase,
                     intent.getBooleanExtra(SAVE_DATABASE_KEY, false))
         } else {
             null
@@ -623,10 +760,6 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
 
         private val TAG = DatabaseTaskNotificationService::class.java.name
 
-        const val DATABASE_TASK_TITLE_KEY = "DATABASE_TASK_TITLE_KEY"
-        const val DATABASE_TASK_MESSAGE_KEY = "DATABASE_TASK_MESSAGE_KEY"
-        const val DATABASE_TASK_WARNING_KEY = "DATABASE_TASK_WARNING_KEY"
-
         const val ACTION_DATABASE_CREATE_TASK = "ACTION_DATABASE_CREATE_TASK"
         const val ACTION_DATABASE_LOAD_TASK = "ACTION_DATABASE_LOAD_TASK"
         const val ACTION_DATABASE_ASSIGN_PASSWORD_TASK = "ACTION_DATABASE_ASSIGN_PASSWORD_TASK"
@@ -644,6 +777,7 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
         const val ACTION_DATABASE_UPDATE_DEFAULT_USERNAME_TASK = "ACTION_DATABASE_UPDATE_DEFAULT_USERNAME_TASK"
         const val ACTION_DATABASE_UPDATE_COLOR_TASK = "ACTION_DATABASE_UPDATE_COLOR_TASK"
         const val ACTION_DATABASE_UPDATE_COMPRESSION_TASK = "ACTION_DATABASE_UPDATE_COMPRESSION_TASK"
+        const val ACTION_DATABASE_REMOVE_UNLINKED_DATA_TASK = "ACTION_DATABASE_REMOVE_UNLINKED_DATA_TASK"
         const val ACTION_DATABASE_UPDATE_MAX_HISTORY_ITEMS_TASK = "ACTION_DATABASE_UPDATE_MAX_HISTORY_ITEMS_TASK"
         const val ACTION_DATABASE_UPDATE_MAX_HISTORY_SIZE_TASK = "ACTION_DATABASE_UPDATE_MAX_HISTORY_SIZE_TASK"
         const val ACTION_DATABASE_UPDATE_ENCRYPTION_TASK = "ACTION_DATABASE_UPDATE_ENCRYPTION_TASK"
@@ -652,12 +786,17 @@ class DatabaseTaskNotificationService : NotificationService(), ProgressTaskUpdat
         const val ACTION_DATABASE_UPDATE_PARALLELISM_TASK = "ACTION_DATABASE_UPDATE_PARALLELISM_TASK"
         const val ACTION_DATABASE_UPDATE_ITERATIONS_TASK = "ACTION_DATABASE_UPDATE_ITERATIONS_TASK"
         const val ACTION_DATABASE_SAVE = "ACTION_DATABASE_SAVE"
+        const val ACTION_DATABASE_CLOSE = "ACTION_DATABASE_CLOSE"
+
+        const val DATABASE_TASK_TITLE_KEY = "DATABASE_TASK_TITLE_KEY"
+        const val DATABASE_TASK_MESSAGE_KEY = "DATABASE_TASK_MESSAGE_KEY"
+        const val DATABASE_TASK_WARNING_KEY = "DATABASE_TASK_WARNING_KEY"
 
         const val DATABASE_URI_KEY = "DATABASE_URI_KEY"
         const val MASTER_PASSWORD_CHECKED_KEY = "MASTER_PASSWORD_CHECKED_KEY"
         const val MASTER_PASSWORD_KEY = "MASTER_PASSWORD_KEY"
         const val KEY_FILE_CHECKED_KEY = "KEY_FILE_CHECKED_KEY"
-        const val KEY_FILE_KEY = "KEY_FILE_KEY"
+        const val KEY_FILE_URI_KEY = "KEY_FILE_URI_KEY"
         const val READ_ONLY_KEY = "READ_ONLY_KEY"
         const val CIPHER_ENTITY_KEY = "CIPHER_ENTITY_KEY"
         const val FIX_DUPLICATE_UUID_KEY = "FIX_DUPLICATE_UUID_KEY"

app/src/main/java/com/kunzisoft/keepass/notifications/LockNotificationService.kt

@@ -20,6 +20,7 @@
 package com.kunzisoft.keepass.notifications
 
 import android.content.Intent
+import com.kunzisoft.keepass.timeout.TimeoutHelper
 import com.kunzisoft.keepass.utils.LockReceiver
 import com.kunzisoft.keepass.utils.registerLockReceiver
 import com.kunzisoft.keepass.utils.unregisterLockReceiver

app/src/main/java/com/kunzisoft/keepass/otp/OtpEntryFields.kt

@@ -347,7 +347,7 @@ object OtpEntryFields {
      * Build new generated fields in a new list from [fieldsToParse] in parameter,
      * Remove parameters fields use to generate auto fields
      */
-    fun generateAutoFields(fieldsToParse: MutableList<Field>): MutableList<Field> {
+    fun generateAutoFields(fieldsToParse: List<Field>): MutableList<Field> {
         val newCustomFields: MutableList<Field> = ArrayList(fieldsToParse)
         // Remove parameter fields
         val otpField = Field(OTP_FIELD)

app/src/main/java/com/kunzisoft/keepass/settings/MainPreferenceFragment.kt

@@ -40,6 +40,11 @@ class MainPreferenceFragment : PreferenceFragmentCompat() {
         }
     }
 
+    override fun onDetach() {
+        mCallback = null
+        super.onDetach()
+    }
+
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         setPreferencesFromResource(R.xml.preferences, rootKey)
 

app/src/main/java/com/kunzisoft/keepass/settings/NestedDatabaseSettingsFragment.kt

@@ -135,7 +135,7 @@ class NestedDatabaseSettingsFragment : NestedSettingsFragment() {
             findPreference<Preference>(getString(R.string.database_version_key))
                     ?.summary = mDatabase.version
 
-            val dbCompressionPrefCategory: PreferenceCategory? = findPreference(getString(R.string.database_category_compression_key))
+            val dbCompressionPrefCategory: PreferenceCategory? = findPreference(getString(R.string.database_category_data_key))
 
             // Database compression
             dbDataCompressionPref = findPreference(getString(R.string.database_data_compression_key))
@@ -150,7 +150,7 @@ class NestedDatabaseSettingsFragment : NestedSettingsFragment() {
             recycleBinGroupPref = findPreference(getString(R.string.recycle_bin_group_key))
 
             // Recycle bin
-            if (mDatabase.allowRecycleBin) {
+            if (mDatabase.allowConfigurableRecycleBin) {
                 val recycleBinEnablePref: SwitchPreference? = findPreference(getString(R.string.recycle_bin_enable_key))
                 recycleBinEnablePref?.apply {
                     isChecked = mDatabase.isRecycleBinEnabled
@@ -166,7 +166,7 @@ class NestedDatabaseSettingsFragment : NestedSettingsFragment() {
                             refreshRecycleBinGroup()
                             // Save the database if not in readonly mode
                             (context as SettingsActivity?)?.
-                                    mProgressDialogThread?.startDatabaseSave(mDatabaseAutoSaveEnabled)
+                                    mProgressDatabaseTaskProvider?.startDatabaseSave(mDatabaseAutoSaveEnabled)
                             true
                         }
                         true
@@ -482,6 +482,9 @@ class NestedDatabaseSettingsFragment : NestedSettingsFragment() {
             getString(R.string.database_data_compression_key) -> {
                 dialogFragment = DatabaseDataCompressionPreferenceDialogFragmentCompat.newInstance(preference.key)
             }
+            getString(R.string.database_data_remove_unlinked_attachments_key) -> {
+                dialogFragment = DatabaseRemoveUnlinkedDataPreferenceDialogFragmentCompat.newInstance(preference.key)
+            }
             getString(R.string.max_history_items_key) -> {
                 dialogFragment = MaxHistoryItemsPreferenceDialogFragmentCompat.newInstance(preference.key)
             }
@@ -546,7 +549,7 @@ class NestedDatabaseSettingsFragment : NestedSettingsFragment() {
 
         return when (item.itemId) {
             R.id.menu_save_database -> {
-                settingActivity?.mProgressDialogThread?.startDatabaseSave(!mDatabaseReadOnly)
+                settingActivity?.mProgressDatabaseTaskProvider?.startDatabaseSave(!mDatabaseReadOnly)
                 true
             }
 

app/src/main/java/com/kunzisoft/keepass/settings/PreferencesUtil.kt

@@ -231,12 +231,6 @@ object PreferencesUtil {
                 context.resources.getBoolean(R.bool.biometric_auto_open_prompt_default))
     }
 
-    fun isFullFilePathEnable(context: Context): Boolean {
-        val prefs = PreferenceManager.getDefaultSharedPreferences(context)
-        return prefs.getBoolean(context.getString(R.string.full_file_path_enable_key),
-                context.resources.getBoolean(R.bool.full_file_path_enable_default))
-    }
-
     fun getListSort(context: Context): SortNodeEnum {
         val prefs = PreferenceManager.getDefaultSharedPreferences(context)
         prefs.getString(context.getString(R.string.sort_node_key),

app/src/main/java/com/kunzisoft/keepass/settings/SettingsActivity.kt

@@ -42,7 +42,8 @@ import com.kunzisoft.keepass.view.showActionError
 open class SettingsActivity
     : LockingActivity(),
         MainPreferenceFragment.Callback,
-        AssignMasterKeyDialogFragment.AssignPasswordDialogListener {
+        AssignMasterKeyDialogFragment.AssignPasswordDialogListener,
+        PasswordEncodingDialogFragment.Listener {
 
     private var backupManager: BackupManager? = null
 
@@ -50,23 +51,6 @@ open class SettingsActivity
     private var toolbar: Toolbar? = null
     private var lockView: View? = null
 
-    companion object {
-
-        private const val SHOW_LOCK = "SHOW_LOCK"
-        private const val TAG_NESTED = "TAG_NESTED"
-
-        fun launch(activity: Activity, readOnly: Boolean, timeoutEnable: Boolean) {
-            val intent = Intent(activity, SettingsActivity::class.java)
-            ReadOnlyHelper.putReadOnlyInIntent(intent, readOnly)
-            intent.putExtra(TIMEOUT_ENABLE_KEY, timeoutEnable)
-            if (!timeoutEnable) {
-                activity.startActivity(intent)
-            } else if (TimeoutHelper.checkTimeAndLockIfTimeout(activity)) {
-                activity.startActivity(intent)
-            }
-        }
-    }
-
     /**
      * Retrieve the main fragment to show in first
      * @return The main fragment
@@ -83,7 +67,11 @@ open class SettingsActivity
 
         coordinatorLayout = findViewById(R.id.toolbar_coordinator)
         toolbar = findViewById(R.id.toolbar)
+
+        if (savedInstanceState?.getString(TITLE_KEY).isNullOrEmpty())
             toolbar?.setTitle(R.string.settings)
+        else
+            toolbar?.title = savedInstanceState?.getString(TITLE_KEY)
         setSupportActionBar(toolbar)
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
 
@@ -105,7 +93,7 @@ open class SettingsActivity
 
         backupManager = BackupManager(this)
 
-        mProgressDialogThread?.onActionFinish = { actionTask, result ->
+        mProgressDatabaseTaskProvider?.onActionFinish = { actionTask, result ->
             // Call result in fragment
             (supportFragmentManager
                     .findFragmentByTag(TAG_NESTED) as NestedSettingsFragment?)
@@ -128,6 +116,22 @@ open class SettingsActivity
         super.onStop()
     }
 
+    override fun onPasswordEncodingValidateListener(databaseUri: Uri?,
+                                                    masterPasswordChecked: Boolean,
+                                                    masterPassword: String?,
+                                                    keyFileChecked: Boolean,
+                                                    keyFile: Uri?) {
+        databaseUri?.let {
+            mProgressDatabaseTaskProvider?.startDatabaseAssignPassword(
+                    databaseUri,
+                    masterPasswordChecked,
+                    masterPassword,
+                    keyFileChecked,
+                    keyFile
+            )
+        }
+    }
+
     override fun onAssignKeyDialogPositiveClick(masterPasswordChecked: Boolean,
                                                 masterPassword: String?,
                                                 keyFileChecked: Boolean,
@@ -136,7 +140,7 @@ open class SettingsActivity
             database.fileUri?.let { databaseUri ->
                 // Show the progress dialog now or after dialog confirmation
                 if (database.validatePasswordEncoding(masterPassword, keyFileChecked)) {
-                    mProgressDialogThread?.startDatabaseAssignPassword(
+                    mProgressDatabaseTaskProvider?.startDatabaseAssignPassword(
                             databaseUri,
                             masterPasswordChecked,
                             masterPassword,
@@ -144,18 +148,12 @@ open class SettingsActivity
                             keyFile
                     )
                 } else {
-                    PasswordEncodingDialogFragment().apply {
-                        positiveButtonClickListener = DialogInterface.OnClickListener { _, _ ->
-                            mProgressDialogThread?.startDatabaseAssignPassword(
-                                    databaseUri,
+                    PasswordEncodingDialogFragment.getInstance(databaseUri,
                             masterPasswordChecked,
                             masterPassword,
                             keyFileChecked,
                             keyFile
-                            )
-                        }
-                        show(supportFragmentManager, "passwordEncodingTag")
-                    }
+                    ).show(supportFragmentManager, "passwordEncodingTag")
                 }
             }
         }
@@ -164,8 +162,7 @@ open class SettingsActivity
     override fun onAssignKeyDialogNegativeClick(masterPasswordChecked: Boolean,
                                                 masterPassword: String?,
                                                 keyFileChecked: Boolean,
-                                                keyFile: Uri?) {
-    }
+                                                keyFile: Uri?) {}
 
     private fun hideOrShowLockButton(key: NestedSettingsFragment.Screen) {
         if (PreferencesUtil.showLockDatabaseButton(this)) {
@@ -220,5 +217,24 @@ open class SettingsActivity
         super.onSaveInstanceState(outState)
 
         outState.putBoolean(SHOW_LOCK, lockView?.visibility == View.VISIBLE)
+        outState.putString(TITLE_KEY, toolbar?.title?.toString())
+    }
+
+    companion object {
+
+        private const val SHOW_LOCK = "SHOW_LOCK"
+        private const val TITLE_KEY = "TITLE_KEY"
+        private const val TAG_NESTED = "TAG_NESTED"
+
+        fun launch(activity: Activity, readOnly: Boolean, timeoutEnable: Boolean) {
+            val intent = Intent(activity, SettingsActivity::class.java)
+            ReadOnlyHelper.putReadOnlyInIntent(intent, readOnly)
+            intent.putExtra(TIMEOUT_ENABLE_KEY, timeoutEnable)
+            if (!timeoutEnable) {
+                activity.startActivity(intent)
+            } else if (TimeoutHelper.checkTimeAndLockIfTimeout(activity)) {
+                activity.startActivity(intent)
+            }
+        }
     }
 }

app/src/main/java/com/kunzisoft/keepass/settings/preference/TextPreference.kt

@@ -0,0 +1,37 @@
+/*
+ * 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.settings.preference
+
+import android.content.Context
+import androidx.preference.DialogPreference
+import android.util.AttributeSet
+
+import com.kunzisoft.keepass.R
+
+open class TextPreference @JvmOverloads constructor(context: Context,
+                                                    attrs: AttributeSet? = null,
+                                                    defStyleAttr: Int = R.attr.dialogPreferenceStyle,
+                                                    defStyleRes: Int = defStyleAttr)
+    : DialogPreference(context, attrs, defStyleAttr, defStyleRes) {
+
+    override fun getDialogLayoutResource(): Int {
+        return R.layout.pref_dialog_text
+    }
+}

app/src/main/java/com/kunzisoft/keepass/settings/preferencedialogfragment/DatabaseColorPreferenceDialogFragmentCompat.kt

@@ -86,7 +86,7 @@ class DatabaseColorPreferenceDialogFragmentCompat : DatabaseSavePreferenceDialog
                 }
                 val oldColor = database.customColor
                 database.customColor = newColor
-                mProgressDialogThread?.startDatabaseSaveColor(oldColor, newColor, mDatabaseAutoSaveEnable)
+                mProgressDatabaseTaskProvider?.startDatabaseSaveColor(oldColor, newColor, mDatabaseAutoSaveEnable)
             }
 
             onDialogClosed(true)

app/src/main/java/com/kunzisoft/keepass/settings/preferencedialogfragment/DatabaseDataCompressionPreferenceDialogFragmentCompat.kt

@@ -64,7 +64,7 @@ class DatabaseDataCompressionPreferenceDialogFragmentCompat
                     database.compressionAlgorithm = newCompression
 
                     if (oldCompression != null && newCompression != null)
-                        mProgressDialogThread?.startDatabaseSaveCompression(oldCompression, newCompression, mDatabaseAutoSaveEnable)
+                        mProgressDatabaseTaskProvider?.startDatabaseSaveCompression(oldCompression, newCompression, mDatabaseAutoSaveEnable)
                 }
             }
         }

app/src/main/java/com/kunzisoft/keepass/settings/preferencedialogfragment/DatabaseDefaultUsernamePreferenceDialogFragmentCompat.kt

@@ -36,7 +36,7 @@ class DatabaseDefaultUsernamePreferenceDialogFragmentCompat : DatabaseSavePrefer
                 val newDefaultUsername = inputText
                 val oldDefaultUsername = database.defaultUsername
                 database.defaultUsername = newDefaultUsername
-                mProgressDialogThread?.startDatabaseSaveDefaultUsername(oldDefaultUsername, newDefaultUsername, mDatabaseAutoSaveEnable)
+                mProgressDatabaseTaskProvider?.startDatabaseSaveDefaultUsername(oldDefaultUsername, newDefaultUsername, mDatabaseAutoSaveEnable)
             }
         }
     }

app/src/main/java/com/kunzisoft/keepass/settings/preferencedialogfragment/DatabaseDescriptionPreferenceDialogFragmentCompat.kt

@@ -36,7 +36,7 @@ class DatabaseDescriptionPreferenceDialogFragmentCompat : DatabaseSavePreference
                 val newDescription = inputText
                 val oldDescription = database.description
                 database.description = newDescription
-                mProgressDialogThread?.startDatabaseSaveDescription(oldDescription, newDescription, mDatabaseAutoSaveEnable)
+                mProgressDatabaseTaskProvider?.startDatabaseSaveDescription(oldDescription, newDescription, mDatabaseAutoSaveEnable)
             }
         }
     }

app/src/main/java/com/kunzisoft/keepass/settings/preferencedialogfragment/DatabaseEncryptionAlgorithmPreferenceDialogFragmentCompat.kt

@@ -65,7 +65,7 @@ class DatabaseEncryptionAlgorithmPreferenceDialogFragmentCompat
                         database.encryptionAlgorithm = newAlgorithm
 
                         if (oldAlgorithm != null && newAlgorithm != null)
-                            mProgressDialogThread?.startDatabaseSaveEncryption(oldAlgorithm, newAlgorithm, mDatabaseAutoSaveEnable)
+                            mProgressDatabaseTaskProvider?.startDatabaseSaveEncryption(oldAlgorithm, newAlgorithm, mDatabaseAutoSaveEnable)
                     }
                 }
             }

app/src/main/java/com/kunzisoft/keepass/settings/preferencedialogfragment/DatabaseKeyDerivationPreferenceDialogFragmentCompat.kt

@@ -66,7 +66,7 @@ class DatabaseKeyDerivationPreferenceDialogFragmentCompat
                     val oldKdfEngine = database.kdfEngine
                     if (newKdfEngine != null && oldKdfEngine != null) {
                         database.kdfEngine = newKdfEngine
-                        mProgressDialogThread?.startDatabaseSaveKeyDerivation(oldKdfEngine, newKdfEngine, mDatabaseAutoSaveEnable)
+                        mProgressDatabaseTaskProvider?.startDatabaseSaveKeyDerivation(oldKdfEngine, newKdfEngine, mDatabaseAutoSaveEnable)
                     }
                 }
             }

app/src/main/java/com/kunzisoft/keepass/settings/preferencedialogfragment/DatabaseNamePreferenceDialogFragmentCompat.kt

@@ -36,7 +36,7 @@ class DatabaseNamePreferenceDialogFragmentCompat : DatabaseSavePreferenceDialogF
                 val newName = inputText
                 val oldName = database.name
                 database.name = newName
-                mProgressDialogThread?.startDatabaseSaveName(oldName, newName, mDatabaseAutoSaveEnable)
+                mProgressDatabaseTaskProvider?.startDatabaseSaveName(oldName, newName, mDatabaseAutoSaveEnable)
             }
         }
     }

app/src/main/java/com/kunzisoft/keepass/settings/preferencedialogfragment/DatabaseRemoveUnlinkedDataPreferenceDialogFragmentCompat.kt

@@ -0,0 +1,58 @@
+/*
+ * 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.settings.preferencedialogfragment
+
+import android.os.Bundle
+import android.text.SpannableStringBuilder
+import android.view.View
+import com.kunzisoft.keepass.R
+
+class DatabaseRemoveUnlinkedDataPreferenceDialogFragmentCompat : DatabaseSavePreferenceDialogFragmentCompat() {
+
+    override fun onBindDialogView(view: View) {
+        super.onBindDialogView(view)
+
+        explanationText = SpannableStringBuilder().apply {
+            append(getString(R.string.warning_remove_unlinked_attachment))
+            append("\n\n")
+            append(getString(R.string.warning_sure_remove_data))
+        }.toString()
+    }
+
+    override fun onDialogClosed(positiveResult: Boolean) {
+        database?.let { _ ->
+            if (positiveResult) {
+                mProgressDatabaseTaskProvider?.startDatabaseRemoveUnlinkedData(mDatabaseAutoSaveEnable)
+            }
+        }
+    }
+
+    companion object {
+
+        fun newInstance(key: String): DatabaseRemoveUnlinkedDataPreferenceDialogFragmentCompat {
+            val fragment = DatabaseRemoveUnlinkedDataPreferenceDialogFragmentCompat()
+            val bundle = Bundle(1)
+            bundle.putString(ARG_KEY, key)
+            fragment.arguments = bundle
+
+            return fragment
+        }
+    }
+}

app/src/main/java/com/kunzisoft/keepass/settings/preferencedialogfragment/DatabaseSavePreferenceDialogFragmentCompat.kt

@@ -21,7 +21,7 @@ package com.kunzisoft.keepass.settings.preferencedialogfragment
 
 import android.content.Context
 import android.os.Bundle
-import com.kunzisoft.keepass.database.action.ProgressDialogThread
+import com.kunzisoft.keepass.database.action.ProgressDatabaseTaskProvider
 import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.settings.PreferencesUtil
 import com.kunzisoft.keepass.settings.SettingsActivity
@@ -30,7 +30,7 @@ abstract class DatabaseSavePreferenceDialogFragmentCompat : InputPreferenceDialo
 
     protected var database: Database? = null
     protected var mDatabaseAutoSaveEnable = true
-    protected var mProgressDialogThread: ProgressDialogThread? = null
+    protected var mProgressDatabaseTaskProvider: ProgressDatabaseTaskProvider? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -42,12 +42,17 @@ abstract class DatabaseSavePreferenceDialogFragmentCompat : InputPreferenceDialo
         super.onAttach(context)
         // Attach dialog thread to start action
         if (context is SettingsActivity) {
-            mProgressDialogThread = context.mProgressDialogThread
+            mProgressDatabaseTaskProvider = context.mProgressDatabaseTaskProvider
         }
 
         this.mDatabaseAutoSaveEnable = PreferencesUtil.isAutoSaveDatabaseEnabled(context)
     }
 
+    override fun onDetach() {
+        mProgressDatabaseTaskProvider = null
+        super.onDetach()
+    }
+
     companion object {
         private const val TAG = "DbSavePrefDialog"
     }

app/src/main/java/com/kunzisoft/keepass/settings/preferencedialogfragment/MaxHistoryItemsPreferenceDialogFragmentCompat.kt

@@ -60,7 +60,7 @@ class MaxHistoryItemsPreferenceDialogFragmentCompat : DatabaseSavePreferenceDial
                 // Remove all history items
                 database.removeOldestHistoryForEachEntry()
 
-                mProgressDialogThread?.startDatabaseSaveMaxHistoryItems(oldMaxHistoryItems, maxHistoryItems, mDatabaseAutoSaveEnable)
+                mProgressDatabaseTaskProvider?.startDatabaseSaveMaxHistoryItems(oldMaxHistoryItems, maxHistoryItems, mDatabaseAutoSaveEnable)
             }
         }
     }

app/src/main/java/com/kunzisoft/keepass/settings/preferencedialogfragment/MaxHistorySizePreferenceDialogFragmentCompat.kt

@@ -56,7 +56,7 @@ class MaxHistorySizePreferenceDialogFragmentCompat : DatabaseSavePreferenceDialo
                 val oldMaxHistorySize = database.historyMaxSize
                 database.historyMaxSize = maxHistorySize
 
-                mProgressDialogThread?.startDatabaseSaveMaxHistorySize(oldMaxHistorySize, maxHistorySize, mDatabaseAutoSaveEnable)
+                mProgressDatabaseTaskProvider?.startDatabaseSaveMaxHistorySize(oldMaxHistorySize, maxHistorySize, mDatabaseAutoSaveEnable)
             }
         }
     }

app/src/main/java/com/kunzisoft/keepass/settings/preferencedialogfragment/MemoryUsagePreferenceDialogFragmentCompat.kt

@@ -48,7 +48,7 @@ class MemoryUsagePreferenceDialogFragmentCompat : DatabaseSavePreferenceDialogFr
                 val oldMemoryUsage = database.memoryUsage
                 database.memoryUsage = memoryUsage
 
-                mProgressDialogThread?.startDatabaseSaveMemoryUsage(oldMemoryUsage, memoryUsage, mDatabaseAutoSaveEnable)
+                mProgressDatabaseTaskProvider?.startDatabaseSaveMemoryUsage(oldMemoryUsage, memoryUsage, mDatabaseAutoSaveEnable)
             }
         }
     }

app/src/main/java/com/kunzisoft/keepass/settings/preferencedialogfragment/ParallelismPreferenceDialogFragmentCompat.kt

@@ -44,7 +44,7 @@ class ParallelismPreferenceDialogFragmentCompat : DatabaseSavePreferenceDialogFr
                 val oldParallelism = database.parallelism
                 database.parallelism = parallelism
 
-                mProgressDialogThread?.startDatabaseSaveParallelism(
+                mProgressDatabaseTaskProvider?.startDatabaseSaveParallelism(
                         oldParallelism,
                         parallelism,
                         mDatabaseAutoSaveEnable)

app/src/main/java/com/kunzisoft/keepass/settings/preferencedialogfragment/RoundsPreferenceDialogFragmentCompat.kt

@@ -54,7 +54,7 @@ class RoundsPreferenceDialogFragmentCompat : DatabaseSavePreferenceDialogFragmen
                     database.numberKeyEncryptionRounds = Long.MAX_VALUE
                 }
 
-                mProgressDialogThread?.startDatabaseSaveIterations(oldRounds, rounds, mDatabaseAutoSaveEnable)
+                mProgressDatabaseTaskProvider?.startDatabaseSaveIterations(oldRounds, rounds, mDatabaseAutoSaveEnable)
             }
         }
     }

app/src/main/java/com/kunzisoft/keepass/stream/RandomFileOutputStream.kt

@@ -1,59 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, 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.stream
-
-import java.io.IOException
-import java.io.OutputStream
-import java.io.RandomAccessFile
-
-class RandomFileOutputStream internal constructor(private val mFile: RandomAccessFile) : OutputStream() {
-
-    @Throws(IOException::class)
-    override fun close() {
-        super.close()
-
-        mFile.close()
-    }
-
-    @Throws(IOException::class)
-    override fun write(buffer: ByteArray, offset: Int, count: Int) {
-        super.write(buffer, offset, count)
-
-        mFile.write(buffer, offset, count)
-    }
-
-    @Throws(IOException::class)
-    override fun write(buffer: ByteArray) {
-        super.write(buffer)
-
-        mFile.write(buffer)
-    }
-
-    @Throws(IOException::class)
-    override fun write(oneByte: Int) {
-        mFile.write(oneByte)
-    }
-
-    @Throws(IOException::class)
-    fun seek(pos: Long) {
-        mFile.seek(pos)
-    }
-
-}

app/src/main/java/com/kunzisoft/keepass/tasks/AttachmentFileAsyncTask.kt

@@ -1,93 +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.tasks
-
-import android.content.ContentResolver
-import android.net.Uri
-import android.os.AsyncTask
-import android.util.Log
-import com.kunzisoft.keepass.model.AttachmentState
-import com.kunzisoft.keepass.model.EntryAttachment
-import com.kunzisoft.keepass.notifications.AttachmentFileNotificationService
-
-class AttachmentFileAsyncTask(
-        private val fileUri: Uri,
-        private val attachmentNotification: AttachmentFileNotificationService.AttachmentNotification,
-        private val contentResolver: ContentResolver)
-    : AsyncTask<Void, Int, Boolean>() {
-
-    private val updateMinFrequency = 1000
-    private var previousSaveTime = System.currentTimeMillis()
-    var onUpdate: ((Uri, EntryAttachment, Int)->Unit)? = null
-
-    override fun onPreExecute() {
-        super.onPreExecute()
-        attachmentNotification.attachmentTask = this
-        attachmentNotification.entryAttachment.apply {
-            downloadState = AttachmentState.START
-            downloadProgression = 0
-        }
-        onUpdate?.invoke(fileUri, attachmentNotification.entryAttachment, attachmentNotification.notificationId)
-    }
-
-    override fun doInBackground(vararg params: Void?): Boolean {
-        try {
-            attachmentNotification.entryAttachment.apply {
-                downloadState = AttachmentState.IN_PROGRESS
-                binaryAttachment.download(fileUri, contentResolver, 1024) { percent ->
-                    publishProgress(percent)
-                }
-            }
-        } catch (e: Exception) {
-            return false
-        }
-        return true
-    }
-
-    override fun onProgressUpdate(vararg values: Int?) {
-        super.onProgressUpdate(*values)
-        val percent = values[0] ?: 0
-
-        val currentTime = System.currentTimeMillis()
-        if (previousSaveTime + updateMinFrequency < currentTime) {
-            attachmentNotification.entryAttachment.apply {
-                downloadState = AttachmentState.IN_PROGRESS
-                downloadProgression = percent
-            }
-            onUpdate?.invoke(fileUri, attachmentNotification.entryAttachment, attachmentNotification.notificationId)
-            Log.d(TAG, "Download file $fileUri : $percent%")
-            previousSaveTime = currentTime
-        }
-    }
-
-    override fun onPostExecute(result: Boolean) {
-        super.onPostExecute(result)
-        attachmentNotification.attachmentTask = null
-        attachmentNotification.entryAttachment.apply {
-            downloadState = if (result) AttachmentState.COMPLETE else AttachmentState.ERROR
-            downloadProgression = 100
-        }
-        onUpdate?.invoke(fileUri, attachmentNotification.entryAttachment, attachmentNotification.notificationId)
-    }
-
-    companion object {
-        private val TAG = AttachmentFileAsyncTask::class.java.name
-    }
-}

app/src/main/java/com/kunzisoft/keepass/tasks/AttachmentFileBinderManager.kt

@@ -28,9 +28,13 @@ import android.net.Uri
 import android.os.Bundle
 import android.os.IBinder
 import androidx.fragment.app.FragmentActivity
-import com.kunzisoft.keepass.model.EntryAttachment
+import com.kunzisoft.keepass.database.element.Attachment
+import com.kunzisoft.keepass.model.AttachmentState
+import com.kunzisoft.keepass.model.EntryAttachmentState
 import com.kunzisoft.keepass.notifications.AttachmentFileNotificationService
 import com.kunzisoft.keepass.notifications.AttachmentFileNotificationService.Companion.ACTION_ATTACHMENT_FILE_START_DOWNLOAD
+import com.kunzisoft.keepass.notifications.AttachmentFileNotificationService.Companion.ACTION_ATTACHMENT_FILE_START_UPLOAD
+import com.kunzisoft.keepass.notifications.AttachmentFileNotificationService.Companion.ACTION_ATTACHMENT_REMOVE
 
 class AttachmentFileBinderManager(private val activity: FragmentActivity) {
 
@@ -43,8 +47,18 @@ class AttachmentFileBinderManager(private val activity: FragmentActivity) {
     private var mServiceConnection: ServiceConnection? = null
 
     private val mActionTaskListener = object: AttachmentFileNotificationService.ActionTaskListener {
-        override fun onAttachmentProgress(fileUri: Uri, attachment: EntryAttachment) {
-            onActionTaskListener?.onAttachmentProgress(fileUri, attachment)
+        override fun onAttachmentAction(fileUri: Uri, entryAttachmentState: EntryAttachmentState) {
+            onActionTaskListener?.let {
+                it.onAttachmentAction(fileUri, entryAttachmentState)
+                when (entryAttachmentState.downloadState) {
+                    AttachmentState.COMPLETE,
+                    AttachmentState.ERROR -> {
+                        // Finish the action when capture by activity
+                        consumeAttachmentAction(entryAttachmentState)
+                    }
+                    else -> {}
+                }
+            }
         }
     }
 
@@ -85,22 +99,38 @@ class AttachmentFileBinderManager(private val activity: FragmentActivity) {
         mServiceConnection = null
     }
 
+    @Synchronized
+    fun consumeAttachmentAction(attachment: EntryAttachmentState) {
+        mBinder?.getService()?.removeAttachmentAction(attachment)
+    }
+
     @Synchronized
     private fun start(bundle: Bundle? = null, actionTask: String) {
-        activity.stopService(mIntentTask)
         if (bundle != null)
             mIntentTask.putExtras(bundle)
-        activity.runOnUiThread {
         mIntentTask.action = actionTask
         activity.startService(mIntentTask)
     }
+
+    fun startUploadAttachment(uploadFileUri: Uri,
+                              attachment: Attachment) {
+        start(Bundle().apply {
+            putParcelable(AttachmentFileNotificationService.FILE_URI_KEY, uploadFileUri)
+            putParcelable(AttachmentFileNotificationService.ATTACHMENT_KEY, attachment)
+        }, ACTION_ATTACHMENT_FILE_START_UPLOAD)
     }
 
     fun startDownloadAttachment(downloadFileUri: Uri,
-                                entryAttachment: EntryAttachment) {
+                                attachment: Attachment) {
         start(Bundle().apply {
-            putParcelable(AttachmentFileNotificationService.DOWNLOAD_FILE_URI_KEY, downloadFileUri)
-            putParcelable(AttachmentFileNotificationService.ATTACHMENT_KEY, entryAttachment)
+            putParcelable(AttachmentFileNotificationService.FILE_URI_KEY, downloadFileUri)
+            putParcelable(AttachmentFileNotificationService.ATTACHMENT_KEY, attachment)
         }, ACTION_ATTACHMENT_FILE_START_DOWNLOAD)
     }
+
+    fun removeBinaryAttachment(attachment: Attachment) {
+        start(Bundle().apply {
+            putParcelable(AttachmentFileNotificationService.ATTACHMENT_KEY, attachment)
+        }, ACTION_ATTACHMENT_REMOVE)
+    }
 }

app/src/main/java/com/kunzisoft/keepass/utils/ParcelableUtil.kt

@@ -22,6 +22,7 @@ package com.kunzisoft.keepass.utils
 import android.os.Parcel
 import android.os.Parcelable
 import java.util.*
+import kotlin.collections.LinkedHashMap
 
 object ParcelableUtil {
 
@@ -51,7 +52,7 @@ object ParcelableUtil {
 
     // For writing map with string key to a Parcel
     fun <V : Parcelable> writeStringParcelableMap(
-            parcel: Parcel, flags: Int, map: Map<String, V>) {
+            parcel: Parcel, flags: Int, map: LinkedHashMap<String, V>) {
         parcel.writeInt(map.size)
         for ((key, value) in map) {
             parcel.writeString(key)
@@ -59,11 +60,20 @@ object ParcelableUtil {
         }
     }
 
+    // For writing map with string key and Int value to a Parcel
+    fun writeStringIntMap(parcel: Parcel, map: LinkedHashMap<String, Int>) {
+        parcel.writeInt(map.size)
+        for ((key, value) in map) {
+            parcel.writeString(key)
+            parcel.writeInt(value)
+        }
+    }
+
     // For reading map with string key from a Parcel
     fun <V : Parcelable> readStringParcelableMap(
-            parcel: Parcel, vClass: Class<V>): HashMap<String, V> {
+            parcel: Parcel, vClass: Class<V>): LinkedHashMap<String, V> {
         val size = parcel.readInt()
-        val map = HashMap<String, V>(size)
+        val map = LinkedHashMap<String, V>(size)
         for (i in 0 until size) {
             val key: String? = parcel.readString()
             val value: V? = vClass.cast(parcel.readParcelable(vClass.classLoader))
@@ -73,9 +83,22 @@ object ParcelableUtil {
         return map
     }
 
+    // For reading map with string key and Int value from a Parcel
+    fun readStringIntMap(parcel: Parcel): LinkedHashMap<String, Int> {
+        val size = parcel.readInt()
+        val map = LinkedHashMap<String, Int>(size)
+        for (i in 0 until size) {
+            val key: String? = parcel.readString()
+            val value: Int? = parcel.readInt()
+            if (key != null && value != null)
+                map[key] = value
+        }
+        return map
+    }
+
 
     // For writing map with string key and string value to a Parcel
-    fun writeStringParcelableMap(dest: Parcel, map: Map<String, String>) {
+    fun writeStringParcelableMap(dest: Parcel, map: LinkedHashMap<String, String>) {
         dest.writeInt(map.size)
         for ((key, value) in map) {
             dest.writeString(key)
@@ -84,9 +107,9 @@ object ParcelableUtil {
     }
 
     // For reading map with string key and string value from a Parcel
-    fun readStringParcelableMap(parcel: Parcel): HashMap<String, String> {
+    fun readStringParcelableMap(parcel: Parcel): LinkedHashMap<String, String> {
         val size = parcel.readInt()
-        val map = HashMap<String, String>(size)
+        val map = LinkedHashMap<String, String>(size)
         for (i in 0 until size) {
             val key: String? = parcel.readString()
             val value: String? = parcel.readString()