Change file creation methods

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

@@ -39,6 +39,7 @@ import androidx.coordinatorlayout.widget.CoordinatorLayout
 import com.google.android.material.appbar.CollapsingToolbarLayout
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.helpers.ReadOnlyHelper
+import com.kunzisoft.keepass.activities.helpers.ExternalFileHelper
 import com.kunzisoft.keepass.activities.helpers.SpecialMode
 import com.kunzisoft.keepass.activities.lock.LockingActivity
 import com.kunzisoft.keepass.activities.lock.resetAppTimeoutWhenViewFocusedOrChanged
@@ -93,6 +94,8 @@ class EntryActivity : LockingActivity() {
     private var clipboardHelper: ClipboardHelper? = null
     private var mFirstLaunchOfActivity: Boolean = false
 
+    private var mExternalFileHelper: ExternalFileHelper? = null
+
     private var iconColor: Int = 0
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -140,6 +143,9 @@ class EntryActivity : LockingActivity() {
         clipboardHelper = ClipboardHelper(this)
         mFirstLaunchOfActivity = savedInstanceState?.getBoolean(KEY_FIRST_LAUNCH_ACTIVITY) ?: true
 
+        // Init SAF manager
+        mExternalFileHelper = ExternalFileHelper(this)
+
         // Init attachment service binder manager
         mAttachmentFileBinderManager = AttachmentFileBinderManager(this)
 
@@ -344,7 +350,7 @@ class EntryActivity : LockingActivity() {
 
         // Manage attachments
         entryContentsView?.assignAttachments(entryInfo.attachments.toSet(), StreamDirection.DOWNLOAD) { attachmentItem ->
-            createDocument(this, attachmentItem.name)?.let { requestCode ->
+            mExternalFileHelper?.createDocument(attachmentItem.name)?.let { requestCode ->
                 mAttachmentsToDownload[requestCode] = attachmentItem
             }
         }
@@ -380,7 +386,7 @@ class EntryActivity : LockingActivity() {
                 }
         }
 
-        onCreateDocumentResult(requestCode, resultCode, data) { createdFileUri ->
+        mExternalFileHelper?.onCreateDocumentResult(requestCode, resultCode, data) { createdFileUri ->
             if (createdFileUri != null) {
                 mAttachmentsToDownload[requestCode]?.let { attachmentToDownload ->
                     mAttachmentFileBinderManager

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

@@ -45,7 +45,7 @@ import com.kunzisoft.keepass.activities.dialogs.*
 import com.kunzisoft.keepass.activities.dialogs.FileTooBigDialogFragment.Companion.MAX_WARNING_BINARY_FILE
 import com.kunzisoft.keepass.activities.fragments.EntryEditFragment
 import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
-import com.kunzisoft.keepass.activities.helpers.SelectFileHelper
+import com.kunzisoft.keepass.activities.helpers.ExternalFileHelper
 import com.kunzisoft.keepass.activities.lock.LockingActivity
 import com.kunzisoft.keepass.activities.lock.resetAppTimeoutWhenViewFocusedOrChanged
 import com.kunzisoft.keepass.autofill.AutofillComponent
@@ -103,7 +103,7 @@ class EntryEditActivity : LockingActivity(),
     private var lockView: View? = null
 
     // To manage attachments
-    private var mSelectFileHelper: SelectFileHelper? = null
+    private var mExternalFileHelper: ExternalFileHelper? = null
     private var mAttachmentFileBinderManager: AttachmentFileBinderManager? = null
     private var mAllowMultipleAttachments: Boolean = false
     private var mTempAttachments = ArrayList<EntryAttachmentState>()
@@ -241,7 +241,7 @@ class EntryEditActivity : LockingActivity(),
         }
 
         // To retrieve attachment
-        mSelectFileHelper = SelectFileHelper(this)
+        mExternalFileHelper = ExternalFileHelper(this)
         mAttachmentFileBinderManager = AttachmentFileBinderManager(this)
 
         // Save button
@@ -459,7 +459,7 @@ class EntryEditActivity : LockingActivity(),
      * Add a new attachment
      */
     private fun addNewAttachment(item: MenuItem) {
-        mSelectFileHelper?.selectFileOnClickViewListener?.onMenuItemClick(item)
+        mExternalFileHelper?.selectFileOnClickViewListener?.onMenuItemClick(item)
     }
 
     override fun onValidateUploadFileTooBig(attachmentToUploadUri: Uri?, fileName: String?) {
@@ -505,7 +505,7 @@ class EntryEditActivity : LockingActivity(),
             entryEditFragment?.icon = icon
         }
 
-        mSelectFileHelper?.onActivityResultCallback(requestCode, resultCode, data) { uri ->
+        mExternalFileHelper?.onActivityResultCallback(requestCode, resultCode, data) { uri ->
             uri?.let { attachmentToUploadUri ->
                 UriUtil.getFileData(this, attachmentToUploadUri)?.also { documentFile ->
                     documentFile.name?.let { fileName ->
@@ -655,7 +655,7 @@ class EntryEditActivity : LockingActivity(),
                         && entryEditActivityEducation.checkAndPerformedAttachmentEducation(
                         attachmentView,
                         {
-                            mSelectFileHelper?.selectFileOnClickViewListener?.onClick(attachmentView)
+                            mExternalFileHelper?.selectFileOnClickViewListener?.onClick(attachmentView)
                         },
                         {
                             performedNextEducation(entryEditActivityEducation)

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

@@ -42,7 +42,7 @@ import com.google.android.material.snackbar.Snackbar
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.dialogs.AssignMasterKeyDialogFragment
 import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
-import com.kunzisoft.keepass.activities.helpers.SelectFileHelper
+import com.kunzisoft.keepass.activities.helpers.ExternalFileHelper
 import com.kunzisoft.keepass.activities.helpers.SpecialMode
 import com.kunzisoft.keepass.activities.selection.SpecialModeActivity
 import com.kunzisoft.keepass.adapters.FileDatabaseHistoryAdapter
@@ -82,7 +82,7 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
 
     private var mDatabaseFileUri: Uri? = null
 
-    private var mSelectFileHelper: SelectFileHelper? = null
+    private var mExternalFileHelper: ExternalFileHelper? = null
 
     private var mProgressDatabaseTaskProvider: ProgressDatabaseTaskProvider? = null
 
@@ -103,10 +103,10 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
         createDatabaseButtonView?.setOnClickListener { createNewFile() }
 
         // Open database button
-        mSelectFileHelper = SelectFileHelper(this)
+        mExternalFileHelper = ExternalFileHelper(this)
         openDatabaseButtonView = findViewById(R.id.open_keyfile_button)
         openDatabaseButtonView?.apply {
-            mSelectFileHelper?.selectFileOnClickViewListener?.let {
+            mExternalFileHelper?.selectFileOnClickViewListener?.let {
                 setOnClickListener(it)
                 setOnLongClickListener(it)
             }
@@ -234,7 +234,7 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
      * Create a new file by calling the content provider
      */
     private fun createNewFile() {
-        createDocument(this, getString(R.string.database_file_name_default) +
+        mExternalFileHelper?.createDocument( getString(R.string.database_file_name_default) +
                 getString(R.string.database_file_extension_default), "application/x-keepass")
     }
 
@@ -286,7 +286,7 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
         // Show open and create button or special mode
         when (mSpecialMode) {
             SpecialMode.DEFAULT -> {
-                if (allowCreateDocumentByStorageAccessFramework(packageManager)) {
+                if (ExternalFileHelper.allowCreateDocumentByStorageAccessFramework(packageManager)) {
                     // There is an activity which can handle this intent.
                     createDatabaseButtonView?.visibility = View.VISIBLE
                 } else{
@@ -359,14 +359,14 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
             AutofillHelper.onActivityResultSetResultAndFinish(this, requestCode, resultCode, data)
         }
 
-        mSelectFileHelper?.onActivityResultCallback(requestCode, resultCode, data) { uri ->
+        mExternalFileHelper?.onActivityResultCallback(requestCode, resultCode, data) { uri ->
             if (uri != null) {
                 launchPasswordActivityWithPath(uri)
             }
         }
 
         // Retrieve the created URI from the file manager
-        onCreateDocumentResult(requestCode, resultCode, data) { databaseFileCreatedUri ->
+        mExternalFileHelper?.onCreateDocumentResult(requestCode, resultCode, data) { databaseFileCreatedUri ->
             mDatabaseFileUri = databaseFileCreatedUri
             if (mDatabaseFileUri != null) {
                 AssignMasterKeyDialogFragment.getInstance(true)
@@ -414,7 +414,7 @@ class FileDatabaseSelectActivity : SpecialModeActivity(),
                     openDatabaseButtonView!!,
                     {tapTargetView ->
                         tapTargetView?.let {
-                            mSelectFileHelper?.selectFileOnClickViewListener?.onClick(it)
+                            mExternalFileHelper?.selectFileOnClickViewListener?.onClick(it)
                         }
                     },
                     {}

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

@@ -34,7 +34,7 @@ import androidx.fragment.app.commit
 import com.google.android.material.snackbar.Snackbar
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.fragments.IconPickerFragment
-import com.kunzisoft.keepass.activities.helpers.SelectFileHelper
+import com.kunzisoft.keepass.activities.helpers.ExternalFileHelper
 import com.kunzisoft.keepass.activities.lock.LockingActivity
 import com.kunzisoft.keepass.activities.lock.resetAppTimeoutWhenViewFocusedOrChanged
 import com.kunzisoft.keepass.database.element.Database
@@ -66,7 +66,7 @@ class IconPickerActivity : LockingActivity() {
 
     private var mDatabase: Database? = null
 
-    private var mSelectFileHelper: SelectFileHelper? = null
+    private var mExternalFileHelper: ExternalFileHelper? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -87,10 +87,10 @@ class IconPickerActivity : LockingActivity() {
         uploadButton = findViewById(R.id.icon_picker_upload)
         if (mDatabase?.allowCustomIcons == true) {
             uploadButton.setOnClickListener {
-                mSelectFileHelper?.selectFileOnClickViewListener?.onClick(it)
+                mExternalFileHelper?.selectFileOnClickViewListener?.onClick(it)
             }
             uploadButton.setOnLongClickListener {
-                mSelectFileHelper?.selectFileOnClickViewListener?.onLongClick(it)
+                mExternalFileHelper?.selectFileOnClickViewListener?.onLongClick(it)
                 true
             }
         } else {
@@ -124,7 +124,7 @@ class IconPickerActivity : LockingActivity() {
         // Focus view to reinitialize timeout
         findViewById<ViewGroup>(R.id.icon_picker_container)?.resetAppTimeoutWhenViewFocusedOrChanged(this)
 
-        mSelectFileHelper = SelectFileHelper(this)
+        mExternalFileHelper = ExternalFileHelper(this)
 
         iconPickerViewModel.standardIconPicked.observe(this) { iconStandard ->
             mIconImage.standard = iconStandard
@@ -281,7 +281,7 @@ class IconPickerActivity : LockingActivity() {
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
 
-        mSelectFileHelper?.onActivityResultCallback(requestCode, resultCode, data) { uri ->
+        mExternalFileHelper?.onActivityResultCallback(requestCode, resultCode, data) { uri ->
             addCustomIcon(uri)
         }
     }

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

@@ -44,7 +44,7 @@ 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.ReadOnlyHelper
-import com.kunzisoft.keepass.activities.helpers.SelectFileHelper
+import com.kunzisoft.keepass.activities.helpers.ExternalFileHelper
 import com.kunzisoft.keepass.activities.helpers.SpecialMode
 import com.kunzisoft.keepass.activities.lock.LockingActivity
 import com.kunzisoft.keepass.activities.selection.SpecialModeActivity
@@ -95,7 +95,7 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
     private var mDatabaseKeyFileUri: Uri? = null
 
     private var mRememberKeyFile: Boolean = false
-    private var mSelectFileHelper: SelectFileHelper? = null
+    private var mExternalFileHelper: ExternalFileHelper? = null
 
     private var mPermissionAsked = false
     private var readOnly: Boolean = false
@@ -138,9 +138,9 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
         readOnly = ReadOnlyHelper.retrieveReadOnlyFromInstanceStateOrPreference(this, savedInstanceState)
         mRememberKeyFile = PreferencesUtil.rememberKeyFileLocations(this)
 
-        mSelectFileHelper = SelectFileHelper(this@PasswordActivity)
+        mExternalFileHelper = ExternalFileHelper(this@PasswordActivity)
         keyFileSelectionView?.apply {
-            mSelectFileHelper?.selectFileOnClickViewListener?.let {
+            mExternalFileHelper?.selectFileOnClickViewListener?.let {
                 setOnClickListener(it)
                 setOnLongClickListener(it)
             }
@@ -702,7 +702,7 @@ open class PasswordActivity : SpecialModeActivity(), AdvancedUnlockFragment.Buil
         }
 
         var keyFileResult = false
-        mSelectFileHelper?.let {
+        mExternalFileHelper?.let {
             keyFileResult = it.onActivityResultCallback(requestCode, resultCode, data
             ) { uri ->
                 if (uri != null) {

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

@@ -30,13 +30,12 @@ import android.text.SpannableStringBuilder
 import android.text.TextWatcher
 import android.view.View
 import android.widget.CompoundButton
-import android.widget.ImageView
 import android.widget.TextView
 import androidx.appcompat.app.AlertDialog
 import androidx.fragment.app.DialogFragment
 import com.google.android.material.textfield.TextInputLayout
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.activities.helpers.SelectFileHelper
+import com.kunzisoft.keepass.activities.helpers.ExternalFileHelper
 import com.kunzisoft.keepass.model.MainCredential
 import com.kunzisoft.keepass.utils.UriUtil
 import com.kunzisoft.keepass.view.KeyFileSelectionView
@@ -60,7 +59,7 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
 
     private var mListener: AssignPasswordDialogListener? = null
 
-    private var mSelectFileHelper: SelectFileHelper? = null
+    private var mExternalFileHelper: ExternalFileHelper? = null
 
     private var mEmptyPasswordConfirmationDialog: AlertDialog? = null
     private var mNoKeyConfirmationDialog: AlertDialog? = null
@@ -133,10 +132,10 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
             keyFileCheckBox = rootView?.findViewById(R.id.keyfile_checkox)
             keyFileSelectionView = rootView?.findViewById(R.id.keyfile_selection)
 
-            mSelectFileHelper = SelectFileHelper(this)
+            mExternalFileHelper = ExternalFileHelper(this)
             keyFileSelectionView?.apply {
-                setOnClickListener(mSelectFileHelper?.selectFileOnClickViewListener)
+                setOnClickListener(mExternalFileHelper?.selectFileOnClickViewListener)
-                setOnLongClickListener(mSelectFileHelper?.selectFileOnClickViewListener)
+                setOnLongClickListener(mExternalFileHelper?.selectFileOnClickViewListener)
             }
 
             val dialog = builder.create()
@@ -289,7 +288,7 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
 
-        mSelectFileHelper?.onActivityResultCallback(requestCode, resultCode, data) { uri ->
+        mExternalFileHelper?.onActivityResultCallback(requestCode, resultCode, data) { uri ->
             uri?.let { pathUri ->
                 UriUtil.getFileData(requireContext(), uri)?.length()?.let { lengthFile ->
                     keyFileSelectionView?.error = null

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

@@ -20,7 +20,6 @@
 package com.kunzisoft.keepass.activities.helpers
 
 import android.annotation.SuppressLint
-import android.app.Activity
 import android.app.Activity.RESULT_OK
 import android.content.Context
 import android.content.Intent
@@ -35,15 +34,15 @@ import androidx.fragment.app.FragmentActivity
 import com.kunzisoft.keepass.activities.dialogs.FileManagerDialogFragment
 import com.kunzisoft.keepass.utils.UriUtil
 
-class SelectFileHelper {
+class ExternalFileHelper {
 
-    private var activity: Activity? = null
+    private var activity: FragmentActivity? = null
     private var fragment: Fragment? = null
 
     val selectFileOnClickViewListener: SelectFileOnClickViewListener
         get() = SelectFileOnClickViewListener()
 
-    constructor(context: Activity) {
+    constructor(context: FragmentActivity) {
         this.activity = context
         this.fragment = null
     }
@@ -60,18 +59,10 @@ class SelectFileHelper {
 
         private fun onAbstractClick(longClick: Boolean = false) {
             try {
-                if (longClick) {
+                try {
-                    try {
+                    openDocument(longClick)
-                        openActivityWithActionGetContent()
+                } catch (e: Exception) {
-                    } catch (e: Exception) {
+                    openDocument(!longClick)
-                        openActivityWithActionOpenDocument()
-                    }
-                } else {
-                    try {
-                        openActivityWithActionOpenDocument()
-                    } catch (e: Exception) {
-                        openActivityWithActionGetContent()
-                    }
                 }
             } catch (e: Exception) {
                 Log.e(TAG, "Enable to start the file picker activity", e)
@@ -96,6 +87,14 @@ class SelectFileHelper {
         }
     }
 
+    fun openDocument(getContent: Boolean) {
+        if (getContent) {
+            openActivityWithActionGetContent()
+        } else {
+            openActivityWithActionOpenDocument()
+        }
+    }
+
     @SuppressLint("InlinedApi")
     private fun openActivityWithActionOpenDocument() {
         val intentOpenDocument = Intent(Intent.ACTION_OPEN_DOCUMENT).apply {
@@ -187,10 +186,7 @@ class SelectFileHelper {
      * @param keyFileCallback Callback retrieve from data
      * @return true if requestCode was captured, false elsechere
      */
-    fun onActivityResultCallback(
+    fun onActivityResultCallback(requestCode: Int, resultCode: Int, data: Intent?,
-            requestCode: Int,
-            resultCode: Int,
-            data: Intent?,
             keyFileCallback: ((uri: Uri?) -> Unit)?): Boolean {
 
         when (requestCode) {
@@ -231,6 +227,50 @@ class SelectFileHelper {
         return false
     }
 
+    private fun showFileManagerDialogFragment() {
+        if (fragment != null) {
+            fragment?.parentFragmentManager
+        } else {
+            activity?.supportFragmentManager
+        }?.let { fragmentManager ->
+            FileManagerDialogFragment().show(fragmentManager, "browserDialog")
+        }
+    }
+
+    fun createDocument(titleString: String,
+                       typeString: String = "application/octet-stream"): Int? {
+
+        val idCode = getUnusedCreateFileRequestCode()
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+            try {
+                val intent = Intent(Intent.ACTION_CREATE_DOCUMENT).apply {
+                    addCategory(Intent.CATEGORY_OPENABLE)
+                    type = typeString
+                    putExtra(Intent.EXTRA_TITLE, titleString)
+                }
+                if (fragment != null)
+                    fragment?.startActivityForResult(intent, idCode)
+                else
+                    activity?.startActivityForResult(intent, idCode)
+                return idCode
+            } catch (e: Exception) {
+                showFileManagerDialogFragment()
+            }
+        } else {
+            showFileManagerDialogFragment()
+        }
+        return null
+    }
+
+    fun onCreateDocumentResult(requestCode: Int, resultCode: Int, data: Intent?,
+                               action: (fileCreated: Uri?)->Unit) {
+        // Retrieve the created URI from the file manager
+        if (fileRequestCodes.contains(requestCode) && resultCode == RESULT_OK) {
+            action.invoke(data?.data)
+            fileRequestCodes.remove(requestCode)
+        }
+    }
+
     companion object {
 
         private const val TAG = "OpenFileHelper"
@@ -240,5 +280,28 @@ class SelectFileHelper {
         private const val GET_CONTENT = 25745
         private const val OPEN_DOC = 25845
         private const val FILE_BROWSE = 25645
+
+        private var CREATE_FILE_REQUEST_CODE_DEFAULT = 3853
+        private var fileRequestCodes = ArrayList<Int>()
+
+        private fun getUnusedCreateFileRequestCode(): Int {
+            val newCreateFileRequestCode = CREATE_FILE_REQUEST_CODE_DEFAULT++
+            fileRequestCodes.add(newCreateFileRequestCode)
+            return newCreateFileRequestCode
+        }
+
+        @SuppressLint("InlinedApi")
+        fun allowCreateDocumentByStorageAccessFramework(packageManager: PackageManager): Boolean {
+            return when {
+                // To check if a custom file manager can manage the ACTION_CREATE_DOCUMENT
+                Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT -> {
+                    packageManager.queryIntentActivities(Intent(Intent.ACTION_CREATE_DOCUMENT).apply {
+                        addCategory(Intent.CATEGORY_OPENABLE)
+                        type = "application/x-keepass"
+                    }, PackageManager.MATCH_DEFAULT_ONLY).isNotEmpty()
+                }
+                else -> true
+            }
+        }
     }
 }

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

@@ -1,86 +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.utils
-
-import android.annotation.SuppressLint
-import android.app.Activity
-import android.content.Intent
-import android.content.pm.PackageManager
-import android.net.Uri
-import android.os.Build
-import androidx.fragment.app.FragmentActivity
-import com.kunzisoft.keepass.activities.dialogs.FileManagerDialogFragment
-
-
-private var CREATE_FILE_REQUEST_CODE_DEFAULT = 3853
-private var fileRequestCodes = ArrayList<Int>()
-
-fun getUnusedCreateFileRequestCode(): Int {
-    val newCreateFileRequestCode = CREATE_FILE_REQUEST_CODE_DEFAULT++
-    fileRequestCodes.add(newCreateFileRequestCode)
-    return newCreateFileRequestCode
-}
-
-@SuppressLint("InlinedApi")
-fun allowCreateDocumentByStorageAccessFramework(packageManager: PackageManager): Boolean {
-    return when {
-        // To check if a custom file manager can manage the ACTION_CREATE_DOCUMENT
-        Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT -> {
-            packageManager.queryIntentActivities(Intent(Intent.ACTION_CREATE_DOCUMENT).apply {
-                addCategory(Intent.CATEGORY_OPENABLE)
-                type = "application/x-keepass"
-            }, PackageManager.MATCH_DEFAULT_ONLY).isNotEmpty()
-        }
-        else -> true
-    }
-}
-
-fun createDocument(activity: FragmentActivity,
-                   titleString: String,
-                   typeString: String = "application/octet-stream"): Int? {
-
-    val idCode = getUnusedCreateFileRequestCode()
-
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-        try {
-            activity.startActivityForResult(Intent(Intent.ACTION_CREATE_DOCUMENT).apply {
-                addCategory(Intent.CATEGORY_OPENABLE)
-                type = typeString
-                putExtra(Intent.EXTRA_TITLE, titleString)
-            }, idCode)
-            return idCode
-        } catch (e: Exception) {
-            FileManagerDialogFragment().show(activity.supportFragmentManager, "browserDialog")
-        }
-    } else {
-        FileManagerDialogFragment().show(activity.supportFragmentManager, "browserDialog")
-    }
-
-    return null
-}
-
-fun onCreateDocumentResult(requestCode: Int, resultCode: Int, data: Intent?,
-                           action: (fileCreated: Uri?)->Unit) {
-    // Retrieve the created URI from the file manager
-    if (fileRequestCodes.contains(requestCode) && resultCode == Activity.RESULT_OK) {
-        action.invoke(data?.data)
-        fileRequestCodes.remove(requestCode)
-    }
-}