Merge branch 'release/2.5.0.0beta26'

Currently translated at 94.9% (388 of 409 strings)

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

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,44 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+** Keepass Database **
+ - Created with: [e.g Windows KeePass 2.42]
+ - Version: [e.g. 2]
+ - Location: [e.g. Remote file retrieved with GDrive app]
+ - Size: [e.g. 150Mo]
+ - Contains attachment: [e.g. Yes]
+
+**KeePassDX (please complete the following information):**
+ - Version: [e.g. 2.5.0.0beta23]
+ - Build: [e.g. Free]
+ - Language: [e.g. French]
+
+**Android (please complete the following information):**
+ - Device: [e.g. GalaxyS8]
+ - Version: [e.g. 8.1]
+
+**Additional context**
+Add any other context about the problem here.
+ - Browser for Autofill: [e.g. Chrome version X]

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: feature
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.gitignore

@@ -38,6 +38,13 @@ proguard/
 # Android Studio captures folder
 captures/
 
+# Eclipse/VS Code
+.project
+.settings/*
+*/.project
+*/.classpath
+*/.settings/*
+
 # Intellij
 *.iml
 .idea/workspace.xml

CHANGELOG

@@ -1,3 +1,34 @@
+KeepassDX (2.5.0.0beta26)
+ * Download attachments
+ * Change file size string format
+ * Prevent screenshot for all screen
+ * Auto performed "Go" key in Magikeyboard
+ * Restore and delete entry history
+ * Setting to hide expired entries
+ * New Black theme
+ * Fix crash when clearing clipboard
+ * Fix attachments compressions
+ * Fix dates
+ * Fix UUID message for Database v1
+
+KeepassDX (2.5.0.0beta25)
+ * Setting for Recycle Bin
+ * Fix Recycle bin issues
+ * Fix TOTP
+ * Fix infinite save
+ * Fix update group
+ * Fix OOM
+
+KeepassDX (2.5.0.0beta24)
+ * Add OTP (HOTP / TOTP)
+ * Add settings (Color, Security, Master Key)
+ * Show history of each entry
+ * Auto repair database for nodes with same UUID
+ * Management of expired nodes
+ * Multi-selection for actions (Cut - Copy - Delete)
+ * Open/Save database as service / Add persistent notification
+ * Fix settings / edit group / small bugs
+
 KeepassDX (2.5.0.0beta23)
  * New, more secure database creation workflow
  * Recognize more database files

CONTRIBUTORS

@@ -1,45 +0,0 @@
-Original author:
-Brian Pellin
-
-Achim Weimert
-Johan Berts - search patches
-Mike Mohr - Better native code for aes and sha
-Tobias Selig - icon support
-Tolga Onbay, Dirk Bergstrom - password generator
-Space Cowboy - holo theme
-josefwells
-Nicholas FitzRoy-Dale - auto launch intents
-yulin2 - responsiveness improvements
-Tadashi Saito
-vhschlenker
-bumper314 - Samsung multiwindow support
-Hans Cappelle - fingerprint sensor integration
-Jeremy Jamet - Keepass DX Material Design - Patches
-
-Translations:
-Diego Pierotto - Italian
-Laurent, Norman Obry, Nam, Bruno Parmentier, Credomo - French
-Maciej Bieniek, cod3r - Polish
-Максим Сёмочкин, i.nedoboy, filimonic, bboa - Russian
-MaWi, rvs2008, meviox, MaDill, EdlerProgrammierer, Jan Thomas - German
-yslandro - Norwegian Nynorsk
-王科峰 - Chinese
-Typhoon - Slovak
-Masahiro Inamura - Japanese
-Matsuu Takuto - Japanese
-Carlos Schlyter - Portugese (Brazil)
-YSmhXQDd6Z - Portugese (Portugal)
-andriykopanytsia - Ukranian
-intel, Zoltán Antal - Hungarian
-H Vanek - Czech
-jipanos - Spanish
-Erik Fdevriendt, Erik Jan Meijer - Dutch
-Frederik Svarre - Danish
-Oriol Garrote - Catalan
-Mika Takala - Finnish
-Niclas Burgren - Swedish
-Raimonds - Latvian
-dgarciabad - Basque
-Arthur Zamarin - Hebrew
-RaptorTFX - Greek
-zygimantus - Lithuanian

LICENSE

@@ -1,6 +1,6 @@
 ---
 
-KeePass DX is free software: you can redistribute it and/or modify
+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.
@@ -13,7 +13,7 @@ KeePass DX is free software: you can redistribute it and/or modify
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-The KeePass DX icon was created by Jeremy JAMET and is licensed under the terms of GPLv3.
+The KeePassDX icon was created by Jeremy JAMET and is licensed under the terms of GPLv3.
 
 ---
 

ReadMe.md

@@ -1,6 +1,6 @@
-# Android Keepass DX
+# Android KeepassDX
 
-<img src="https://raw.githubusercontent.com/Kunzisoft/KeePassDX/master/art/icon.png"> Keepass DX is a **multi-format KeePass manager for Android devices**. The application allows to create keys and passwords in a secure way by integrating with the Android design standards.
+<img src="https://raw.githubusercontent.com/Kunzisoft/KeePassDX/master/art/icon.png"> KeepassDX is a **multi-format KeePass manager for Android devices**. The application allows to create keys and passwords in a secure way by integrating with the Android design standards.
 
 <img src="https://raw.githubusercontent.com/Kunzisoft/KeePassDX/master/art/screen.jpg" width="220">
 
@@ -8,26 +8,27 @@
 
  * Create database files / entries and groups
  * Support for **.kdb** and **.kdbx** files (version 1 to 4) with AES - Twofish - ChaCha20 - Argon2 algorithm
- * **Compatible** with the majority of alternative programs (KeePass, KeePassX, KeePass XC...)
+ * **Compatible** with the majority of alternative programs (KeePass, KeePassX, KeePassXC...)
  * Allows **fast copy** of fields and opening of URI / URL
- * **Fingerprint** for fast unlocking
+ * **Biometric recognition** for fast unlocking *(Fingerprint / Face unlock / ...)*
+ * **One-Time Password** management *(HOTP / TOTP)* for Two-factor authentication (2FA)
  * Material design with **themes**
  * **AutoFill** and Integration
  * Field filling **keyboard**
  * Precise management of **settings**
  * Code written in **native language** *(Kotlin / Java / JNI / C)*
 
-Keepass DX is **open source** and **ad-free**. 
+KeepassDX is **open source** and **ad-free**.
 
-## What is KeePass DX?
+## What is KeePassDX?
 
 Today you need to remember many passwords. You need a password for your e-mail account, your website's FTP password, online passwords (like website member account), etc. etc. etc. The list is endless. Also, you **should use different passwords for each account**. Because if you use only one password everywhere and someone gets this password you have a problem... A serious problem. The thief would have access to your e-mail account, website, etc. Unimaginable.
 
-KeePass DX is a **free open source password manager for Android**, which helps you to **manage your passwords in a secure way**. You can put all your passwords in one database, which is locked with one **master key** or a **key file**. So you **only have to remember one single master password or select the key file** to unlock the whole database. The databases are encrypted using the best and **most secure encryption algorithms** currently known.
+KeePassDX is a **free open source password manager for Android**, which helps you to **manage your passwords in a secure way**. You can put all your passwords in one database, which is locked with one **master key** or a **key file**. So you **only have to remember one single master password or select the key file** to unlock the whole database. The databases are encrypted using the best and **most secure encryption algorithms** currently known.
 
 ## Is it really free?
 
-Yes, KeePass DX is under **free license (OSI certified)** and **without advertising**. You can have a look at its full source and check whether the encryption algorithms are implemented correctly.
+Yes, KeePassDX is under **free license (OSI certified)** and **without advertising**. You can have a look at its full source and check whether the encryption algorithms are implemented correctly.
 
 *Note : If you access the application from a store, visual features may not be available to incentivize the contribution to the work of open source projects. These optional visuals are accessible after a donation (and a small congratulation message :) or the purchase of an extended version, but do not worry, the main features remain completely free. If you contribute to the project and you do not have access to the themes, do not hesitate to contact me at [contact@kunzisoft.com](contact@kunzisoft.com), I will give you the procedure.*
 
@@ -38,7 +39,7 @@ You can contribute in different ways to help us on our work.
 * Add features by a **[pull request](https://help.github.com/articles/about-pull-requests/)**.
 * Help to **[translate](https://hosted.weblate.org/projects/keepass-dx/strings/)** into your language (By using [Weblate](https://hosted.weblate.org/projects/keepass-dx/) or with a manual [pull request](https://help.github.com/articles/about-pull-requests/))
 * **[Donate](https://www.kunzisoft.com/donation)**  人◕ ‿‿ ◕人Y for a better service and a quick development of your features.
-* Buy the **[Pro version](https://play.google.com/store/apps/details?id=com.kunzisoft.keepass.pro)** of KeePass DX
+* Buy the **[Pro version](https://play.google.com/store/apps/details?id=com.kunzisoft.keepass.pro)** of KeePassDX
 
 ## Download
 
@@ -54,7 +55,7 @@ You can contribute in different ways to help us on our work.
 	
 ## F.A.Q.
 
-Other questions? You can read the [F.A.Q.](https://www.keepassdx.com/FAQ) 
+Other questions? You can read the [F.A.Q.](https://github.com/Kunzisoft/KeePassDX/wiki/F.A.Q.) 
 	
 ## Other devices
 
@@ -64,21 +65,21 @@ Other questions? You can read the [F.A.Q.](https://www.keepassdx.com/FAQ)
 
 ## License
 
- Copyright (c) 2019 Jeremy Jamet / [Kunzisoft](https://www.kunzisoft.com).
+ Copyright (c) 2020 Jeremy Jamet / [Kunzisoft](https://www.kunzisoft.com).
 
- This file is part of KeePass DX.
+ This file is part of KeePassDX.
 
-  [KeePass DX](https://www.keepassdx.com) is free software: you can redistribute it and/or modify
+  [KeePassDX](https://www.keepassdx.com) 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.
 
-  KeePass DX is distributed in the hope that it will be useful,
+  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
   
   *This project is a fork of [KeepassDroid](https://github.com/bpellin/keepassdroid) by bpellin.*

_config.yml

@@ -0,0 +1 @@
+theme: jekyll-theme-cayman

app/build.gradle

@@ -11,8 +11,8 @@ android {
         applicationId "com.kunzisoft.keepass"
         minSdkVersion 14
         targetSdkVersion 28
-        versionCode = 23
-        versionName = "2.5.0.0beta23"
+        versionCode = 26
+        versionName = "2.5.0.0beta26"
         multiDexEnabled true
 
         testApplicationId = "com.kunzisoft.keepass.tests"
@@ -27,7 +27,6 @@ android {
         }
     }
 
-
     buildTypes {
         release {
             minifyEnabled = false
@@ -80,7 +79,7 @@ android {
 }
 
 def spongycastleVersion = "1.58.0.0"
-def room_version = "2.1.0"
+def room_version = "2.2.1"
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
@@ -89,7 +88,7 @@ dependencies {
     implementation 'androidx.legacy:legacy-preference-v14:1.0.0'
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    implementation 'androidx.biometric:biometric:1.0.0-beta01'
+    implementation 'androidx.biometric:biometric:1.0.0'
     implementation 'com.google.android.material:material:1.0.0'
 
     implementation "androidx.room:room-runtime:$room_version"
@@ -97,17 +96,17 @@ dependencies {
 
     implementation "com.madgag.spongycastle:core:$spongycastleVersion"
     implementation "com.madgag.spongycastle:prov:$spongycastleVersion"
-    // Expandable view
-    implementation 'net.cachapa.expandablelayout:expandablelayout:2.9.2'
     // Time
     implementation 'joda-time:joda-time:2.9.9'
+    // Color
+    implementation 'com.github.Kunzisoft:AndroidClearChroma:2.3'
     // Education
     implementation 'com.getkeepsafe.taptargetview:taptargetview:1.12.0'
     // Apache Commons Collections
     implementation 'commons-collections:commons-collections:3.2.1'
     implementation 'org.apache.commons:commons-io:1.3.2'
-    // Base64
-    implementation 'biz.source_code:base64coder:2010-12-19'
+    // Apache Commons Codec
+    implementation 'commons-codec:commons-codec:1.11'
     // Icon pack
     implementation project(path: ':icon-pack-classic')
     implementation project(path: ':icon-pack-material')

app/src/androidTest/java/com/kunzisoft/keepass/tests/PwDateTest.kt

@@ -1,37 +0,0 @@
-/*
- * Copyright 2019 Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX 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.
- *
- *  KeePass DX 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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests
-
-import junit.framework.TestCase
-
-import com.kunzisoft.keepass.database.element.PwDate
-import org.junit.Assert
-
-class PwDateTest : TestCase() {
-
-    fun testDate() {
-        val jDate = PwDate(System.currentTimeMillis())
-        val intermediate = PwDate(jDate)
-        val cDate = PwDate(intermediate.byteArrayDate!!, 0)
-
-        Assert.assertTrue("jDate and intermediate not equal", jDate == intermediate)
-        Assert.assertTrue("jDate and cDate not equal", cDate == jDate)
-    }
-}

app/src/androidTest/java/com/kunzisoft/keepass/tests/StringDatabaseKDBUtilsTest.kt

@@ -1,38 +1,33 @@
 /*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
+ * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.tests
 
-import org.junit.Assert.assertArrayEquals
-
-import java.io.ByteArrayOutputStream
-import java.util.Calendar
-import java.util.Random
-
+import com.kunzisoft.keepass.database.element.DateInstant
+import com.kunzisoft.keepass.database.file.DatabaseHeaderKDBX.Companion.ULONG_MAX_VALUE
+import com.kunzisoft.keepass.stream.*
 import junit.framework.TestCase
+import org.junit.Assert.assertArrayEquals
+import java.io.ByteArrayOutputStream
+import java.util.*
 
-import com.kunzisoft.keepass.database.element.PwDate
-import com.kunzisoft.keepass.stream.LEDataInputStream
-import com.kunzisoft.keepass.stream.LEDataOutputStream
-import com.kunzisoft.keepass.utils.Types
-
-class TypesTest : TestCase() {
+class StringDatabaseKDBUtilsTest : TestCase() {
 
     fun testReadWriteLongZero() {
         testReadWriteLong(0.toByte())
@@ -56,15 +51,9 @@ class TypesTest : TestCase() {
 
     private fun testReadWriteLong(value: Byte) {
         val orig = ByteArray(8)
-        val dest = ByteArray(8)
-
-        setArray(orig, value, 0, 8)
-
-        val one = LEDataInputStream.readLong(orig, 0)
-        LEDataOutputStream.writeLong(one, dest, 0)
-
-        assertArrayEquals(orig, dest)
+        setArray(orig, value, 8)
 
+        assertArrayEquals(orig, longTo8Bytes(bytes64ToLong(orig)))
     }
 
     fun testReadWriteIntZero() {
@@ -81,24 +70,22 @@ class TypesTest : TestCase() {
 
     private fun testReadWriteInt(value: Byte) {
         val orig = ByteArray(4)
-        val dest = ByteArray(4)
 
         for (i in 0..3) {
             orig[i] = 0
         }
 
-        setArray(orig, value, 0, 4)
+        setArray(orig, value, 4)
 
-        val one = LEDataInputStream.readInt(orig, 0)
-
-        LEDataOutputStream.writeInt(one, dest, 0)
+        val one = bytes4ToInt(orig)
+        val dest = intTo4Bytes(one)
 
         assertArrayEquals(orig, dest)
 
     }
 
-    private fun setArray(buf: ByteArray, value: Byte, offset: Int, size: Int) {
-        for (i in offset until offset + size) {
+    private fun setArray(buf: ByteArray, value: Byte, size: Int) {
+        for (i in 0 until size) {
             buf[i] = value
         }
     }
@@ -109,11 +96,10 @@ class TypesTest : TestCase() {
         orig[0] = 0
         orig[1] = 1
 
-        val one = LEDataInputStream.readUShort(orig, 0)
-        val dest = LEDataOutputStream.writeUShortBuf(one)
+        val one = bytes2ToUShort(orig)
+        val dest = uShortTo2Bytes(one)
 
         assertArrayEquals(orig, dest)
-
     }
 
     fun testReadWriteShortMin() {
@@ -126,15 +112,12 @@ class TypesTest : TestCase() {
 
     private fun testReadWriteShort(value: Byte) {
         val orig = ByteArray(2)
-        val dest = ByteArray(2)
+        setArray(orig, value, 2)
 
-        setArray(orig, value, 0, 2)
-
-        val one = LEDataInputStream.readUShort(orig, 0)
-        LEDataOutputStream.writeUShort(one, dest, 0)
+        val one = bytes2ToUShort(orig)
+        val dest = uShortTo2Bytes(one)
 
         assertArrayEquals(orig, dest)
-
     }
 
     fun testReadWriteByteZero() {
@@ -150,16 +133,8 @@ class TypesTest : TestCase() {
     }
 
     private fun testReadWriteByte(value: Byte) {
-        val orig = ByteArray(1)
-        val dest = ByteArray(1)
-
-        setArray(orig, value, 0, 1)
-
-        val one = Types.readUByte(orig, 0)
-        Types.writeUByte(one, dest, 0)
-
-        assertArrayEquals(orig, dest)
-
+        val dest: Byte = uIntToByte(byteToUInt(value))
+        assert(value == dest)
     }
 
     fun testDate() {
@@ -168,27 +143,37 @@ class TypesTest : TestCase() {
         val expected = Calendar.getInstance()
         expected.set(2008, 1, 2, 3, 4, 5)
 
-        val buf = PwDate.writeTime(expected.time, cal)
         val actual = Calendar.getInstance()
-        actual.time = PwDate.readTime(buf, 0, cal)
+        dateTo5Bytes(expected.time, cal)?.let { buf ->
+            actual.time = bytes5ToDate(buf, cal).date
+        }
+
+        val jDate = DateInstant(System.currentTimeMillis())
+        val intermediate = DateInstant(jDate)
+        val cDate = bytes5ToDate(dateTo5Bytes(intermediate.date)!!)
 
         assertEquals("Year mismatch: ", 2008, actual.get(Calendar.YEAR))
         assertEquals("Month mismatch: ", 1, actual.get(Calendar.MONTH))
-        assertEquals("Day mismatch: ", 1, actual.get(Calendar.DAY_OF_MONTH))
+        assertEquals("Day mismatch: ", 2, actual.get(Calendar.DAY_OF_MONTH))
         assertEquals("Hour mismatch: ", 3, actual.get(Calendar.HOUR_OF_DAY))
         assertEquals("Minute mismatch: ", 4, actual.get(Calendar.MINUTE))
         assertEquals("Second mismatch: ", 5, actual.get(Calendar.SECOND))
+        assertTrue("jDate and intermediate not equal", jDate == intermediate)
+        assertTrue("jDate $jDate and cDate $cDate not equal", cDate == jDate)
     }
 
     fun testUUID() {
-        val rnd = Random()
         val bUUID = ByteArray(16)
-        rnd.nextBytes(bUUID)
+        Random().nextBytes(bUUID)
 
-        val uuid = Types.bytestoUUID(bUUID)
-        val eUUID = Types.UUIDtoBytes(uuid)
+        val uuid = bytes16ToUuid(bUUID)
+        val eUUID = uuidTo16Bytes(uuid)
+
+        val lUUID = bytes16ToUuid(bUUID)
+        val leUUID = uuidTo16Bytes(lUUID)
 
         assertArrayEquals("UUID match failed", bUUID, eUUID)
+        assertArrayEquals("UUID match failed", bUUID, leUUID)
     }
 
     @Throws(Exception::class)
@@ -199,8 +184,8 @@ class TypesTest : TestCase() {
         }
 
         val bos = ByteArrayOutputStream()
-        val leos = LEDataOutputStream(bos)
-        leos.writeLong(Types.ULONG_MAX_VALUE)
+        val leos = LittleEndianDataOutputStream(bos)
+        leos.writeLong(ULONG_MAX_VALUE)
         leos.close()
 
         val uLongMax = bos.toByteArray()

app/src/androidTest/java/com/kunzisoft/keepass/tests/crypto/AESTest.kt

@@ -1,20 +1,20 @@
 /*
  * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- * KeePass DX is free software: you can redistribute it and/or modify
+ * 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.
  *
- * KeePass DX is distributed in the hope that it will be useful,
+ * 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 KeePass DX. If not, see <http://www.gnu.org/licenses/>.
+ * along with KeePassDX. If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.tests.crypto

app/src/androidTest/java/com/kunzisoft/keepass/tests/crypto/CipherTest.kt

@@ -1,20 +1,20 @@
 /*
  * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- * KeePass DX is free software: you can redistribute it and/or modify
+ * 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.
  *
- * KeePass DX is distributed in the hope that it will be useful,
+ * 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 KeePass DX. If not, see <http://www.gnu.org/licenses/>.
+ * along with KeePassDX. If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.tests.crypto
@@ -39,9 +39,8 @@ import junit.framework.TestCase
 
 import com.kunzisoft.keepass.crypto.CipherFactory
 import com.kunzisoft.keepass.crypto.engine.AesEngine
-import com.kunzisoft.keepass.crypto.engine.CipherEngine
 import com.kunzisoft.keepass.stream.BetterCipherInputStream
-import com.kunzisoft.keepass.stream.LEDataInputStream
+import com.kunzisoft.keepass.stream.LittleEndianDataInputStream
 
 class CipherTest : TestCase() {
     private val rand = Random()
@@ -93,7 +92,7 @@ class CipherTest : TestCase() {
 
         val bis = ByteArrayInputStream(secrettext)
         val cis = BetterCipherInputStream(bis, decrypt)
-        val lis = LEDataInputStream(cis)
+        val lis = LittleEndianDataInputStream(cis)
 
         val decrypttext = lis.readBytes(MESSAGE_LENGTH)
 

app/src/androidTest/java/com/kunzisoft/keepass/tests/crypto/FinalKeyTest.kt

@@ -1,20 +1,20 @@
 /*
  * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- * KeePass DX is free software: you can redistribute it and/or modify
+ * 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.
  *
- * KeePass DX is distributed in the hope that it will be useful,
+ * 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 KeePass DX. If not, see <http://www.gnu.org/licenses/>.
+ * along with KeePassDX. If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.tests.crypto

app/src/androidTest/java/com/kunzisoft/keepass/tests/stream/HashedBlock.kt

@@ -1,20 +1,20 @@
 /*
  * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- * KeePass DX is free software: you can redistribute it and/or modify
+ * 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.
  *
- * KeePass DX is distributed in the hope that it will be useful,
+ * 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 KeePass DX. If not, see <http://www.gnu.org/licenses/>.
+ * along with KeePassDX. If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.tests.stream

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.tests.utils

app/src/main/AndroidManifest.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="com.kunzisoft.keepass"
     android:installLocation="auto">
     <supports-screens
@@ -9,8 +10,8 @@
       android:anyDensity="true" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.USE_BIOMETRIC" />
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
     <uses-permission android:name="android.permission.VIBRATE"/>
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
 
     <application
         android:label="@string/app_name"
@@ -20,7 +21,10 @@
         android:allowBackup="true"
         android:fullBackupContent="@xml/backup"
         android:backupAgent="com.kunzisoft.keepass.backup.SettingsBackupAgent"
-        android:theme="@style/KeepassDXStyle.Night">
+        android:largeHeap="true"
+        android:resizeableActivity="true"
+        android:theme="@style/KeepassDXStyle.Night"
+        tools:targetApi="n">
         <!-- TODO backup API Key -->
         <meta-data
             android:name="com.google.android.backup.api_key"
@@ -131,7 +135,8 @@
         <activity android:name="com.kunzisoft.keepass.settings.SettingsAdvancedUnlockActivity" />
         <activity android:name="com.kunzisoft.keepass.settings.SettingsAutofillActivity" />
         <activity android:name="com.kunzisoft.keepass.magikeyboard.KeyboardLauncherActivity"
-            android:label="@string/keyboard_name">
+            android:label="@string/keyboard_name"
+            android:exported="true">
         </activity>
         <activity android:name="com.kunzisoft.keepass.settings.MagikIMESettings"
             android:label="@string/keyboard_setting_label">
@@ -140,11 +145,18 @@
             </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"
             android:exported="false" />
+        <service
+            android:name=".notifications.AttachmentFileNotificationService"
+            android:enabled="true"
+            android:exported="false" />
         <service
             android:name="com.kunzisoft.keepass.notifications.ClipboardEntryNotificationService"
             android:enabled="true"

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *     
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities

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

@@ -1,65 +1,90 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *     
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  */
 package com.kunzisoft.keepass.activities
 
 import android.app.Activity
 import android.content.Intent
 import android.graphics.Color
+import android.graphics.drawable.ColorDrawable
+import android.net.Uri
 import android.os.Bundle
 import android.os.Handler
-import com.google.android.material.appbar.CollapsingToolbarLayout
-import androidx.appcompat.app.AlertDialog
-import androidx.appcompat.widget.Toolbar
 import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
 import android.widget.ImageView
+import android.widget.ProgressBar
 import android.widget.Toast
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.widget.Toolbar
+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.LockingHideActivity
+import com.kunzisoft.keepass.activities.lock.LockingActivity
 import com.kunzisoft.keepass.database.element.Database
-import com.kunzisoft.keepass.database.element.EntryVersioned
-import com.kunzisoft.keepass.database.element.PwNodeId
+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.notifications.AttachmentFileNotificationService
 import com.kunzisoft.keepass.notifications.ClipboardEntryNotificationService
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_DELETE_ENTRY_HISTORY
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_RESTORE_ENTRY_HISTORY
 import com.kunzisoft.keepass.settings.PreferencesUtil
 import com.kunzisoft.keepass.settings.SettingsAutofillActivity
+import com.kunzisoft.keepass.tasks.AttachmentFileBinderManager
 import com.kunzisoft.keepass.timeout.ClipboardHelper
 import com.kunzisoft.keepass.timeout.TimeoutHelper
 import com.kunzisoft.keepass.utils.MenuUtil
 import com.kunzisoft.keepass.utils.UriUtil
+import com.kunzisoft.keepass.utils.createDocument
+import com.kunzisoft.keepass.utils.onCreateDocumentResult
 import com.kunzisoft.keepass.view.EntryContentsView
+import java.util.*
+import kotlin.collections.HashMap
 
-class EntryActivity : LockingHideActivity() {
+class EntryActivity : LockingActivity() {
 
     private var collapsingToolbarLayout: CollapsingToolbarLayout? = null
     private var titleIconView: ImageView? = null
+    private var historyView: View? = null
     private var entryContentsView: EntryContentsView? = null
+    private var entryProgress: ProgressBar? = null
     private var toolbar: Toolbar? = null
 
-    private var mEntry: EntryVersioned? = null
+    private var mDatabase: Database? = null
+
+    private var mEntry: Entry? = null
+
+    private var mIsHistory: Boolean = false
+    private var mEntryLastVersion: Entry? = null
+    private var mEntryHistoryPosition: Int = -1
+
     private var mShowPassword: Boolean = false
 
+    private var mAttachmentFileBinderManager: AttachmentFileBinderManager? = null
+    private var mAttachmentsToDownload: HashMap<Int, EntryAttachment> = HashMap()
+
     private var clipboardHelper: ClipboardHelper? = null
     private var firstLaunchOfActivity: Boolean = false
 
@@ -75,28 +100,11 @@ class EntryActivity : LockingHideActivity() {
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
         supportActionBar?.setDisplayShowHomeEnabled(true)
 
-        val currentDatabase = Database.getInstance()
-        mReadOnly = currentDatabase.isReadOnly || mReadOnly
+        mDatabase = Database.getInstance()
+        mReadOnly = mDatabase!!.isReadOnly || mReadOnly
 
         mShowPassword = !PreferencesUtil.isPasswordMask(this)
 
-        // Get Entry from UUID
-        try {
-            val keyEntry: PwNodeId<*> = intent.getParcelableExtra(KEY_ENTRY)
-            mEntry = currentDatabase.getEntryById(keyEntry)
-        } catch (e: ClassCastException) {
-            Log.e(TAG, "Unable to retrieve the entry key")
-        }
-
-        if (mEntry == null) {
-            Toast.makeText(this, R.string.entry_not_found, Toast.LENGTH_LONG).show()
-            finish()
-            return
-        }
-
-        // Update last access time.
-        mEntry?.touch(modified = false, touchParents = false)
-
         // Retrieve the textColor to tint the icon
         val taIconColor = theme.obtainStyledAttributes(intArrayOf(R.attr.colorAccent))
         iconColor = taIconColor.getColor(0, Color.BLACK)
@@ -108,17 +116,59 @@ class EntryActivity : LockingHideActivity() {
         // Get views
         collapsingToolbarLayout = findViewById(R.id.toolbar_layout)
         titleIconView = findViewById(R.id.entry_icon)
+        historyView = findViewById(R.id.history_container)
         entryContentsView = findViewById(R.id.entry_contents)
         entryContentsView?.applyFontVisibilityToFields(PreferencesUtil.fieldFontIsInVisibility(this))
+        entryProgress = findViewById(R.id.entry_progress)
 
         // Init the clipboard helper
         clipboardHelper = ClipboardHelper(this)
         firstLaunchOfActivity = true
+
+        // Init attachment service binder manager
+        mAttachmentFileBinderManager = AttachmentFileBinderManager(this)
+
+        mProgressDialogThread?.onActionFinish = { actionTask, result ->
+            when (actionTask) {
+                ACTION_DATABASE_RESTORE_ENTRY_HISTORY,
+                ACTION_DATABASE_DELETE_ENTRY_HISTORY -> {
+                    // Close the current activity after an history action
+                    if (result.isSuccess)
+                        finish()
+                }
+            }
+            // TODO Visual error for entry history
+        }
     }
 
     override fun onResume() {
         super.onResume()
 
+        // Get Entry from UUID
+        try {
+            val keyEntry: NodeId<UUID> = intent.getParcelableExtra(KEY_ENTRY)
+            mEntry = mDatabase?.getEntryById(keyEntry)
+            mEntryLastVersion = mEntry
+        } catch (e: ClassCastException) {
+            Log.e(TAG, "Unable to retrieve the entry key")
+        }
+
+        val historyPosition = intent.getIntExtra(KEY_ENTRY_HISTORY_POSITION, mEntryHistoryPosition)
+        mEntryHistoryPosition = historyPosition
+        if (historyPosition >= 0) {
+            mIsHistory = true
+            mEntry = mEntry?.getHistory()?.get(historyPosition)
+        }
+
+        if (mEntry == null) {
+            Toast.makeText(this, R.string.entry_not_found, Toast.LENGTH_LONG).show()
+            finish()
+            return
+        }
+
+        // Update last access time.
+        mEntry?.touch(modified = false, touchParents = false)
+
         mEntry?.let { entry ->
             // Fill data in resume to update from EntryEditActivity
             fillEntryDataInContentsView(entry)
@@ -138,10 +188,25 @@ class EntryActivity : LockingHideActivity() {
             }
         }
 
+        mAttachmentFileBinderManager?.apply {
+            registerProgressTask()
+            onActionTaskListener = object : AttachmentFileNotificationService.ActionTaskListener {
+                override fun onAttachmentProgress(fileUri: Uri, attachment: EntryAttachment) {
+                    entryContentsView?.updateAttachmentDownloadProgress(attachment)
+                }
+            }
+        }
+
         firstLaunchOfActivity = false
     }
 
-    private fun fillEntryDataInContentsView(entry: EntryVersioned) {
+    override fun onPause() {
+        mAttachmentFileBinderManager?.unregisterProgressTask()
+
+        super.onPause()
+    }
+
+    private fun fillEntryDataInContentsView(entry: Entry) {
 
         val database = Database.getInstance()
         database.startManageEntry(entry)
@@ -174,7 +239,7 @@ class EntryActivity : LockingHideActivity() {
                             "\n\n" +
                             getString(R.string.clipboard_warning))
                     .create().apply {
-                        setButton(AlertDialog.BUTTON_POSITIVE, getText(R.string.enable)) {dialog, _ ->
+                        setButton(AlertDialog.BUTTON_POSITIVE, getText(R.string.enable)) { dialog, _ ->
                             PreferencesUtil.setAllowCopyPasswordAndProtectedFields(this@EntryActivity, true)
                             dialog.dismiss()
                             fillEntryDataInContentsView(entry)
@@ -206,6 +271,17 @@ class EntryActivity : LockingHideActivity() {
             }
         }
 
+        //Assign OTP field
+        entryContentsView?.assignOtp(entry.getOtpElement(), entryProgress,
+                View.OnClickListener {
+                    entry.getOtpElement()?.let { otpElement ->
+                        clipboardHelper?.timeoutCopyToClipboard(
+                                otpElement.token,
+                                getString(R.string.copy_field, getString(R.string.entry_otp))
+                        )
+                    }
+        })
+
         entryContentsView?.assignURL(entry.url)
         entryContentsView?.assignComment(entry.notes)
 
@@ -237,23 +313,57 @@ class EntryActivity : LockingHideActivity() {
         }
         entryContentsView?.setHiddenPasswordStyle(!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 -> {
+                        createDocument(this, attachmentItem.name)?.let { requestCode ->
+                            mAttachmentsToDownload[requestCode] = attachmentItem
+                        }
+                    }
+                    else -> {
+                        // TODO Stop download
+                    }
+                }
+            }
+        }
+        entryContentsView?.refreshAttachments()
+
         // Assign dates
-        entry.creationTime.date?.let {
-            entryContentsView?.assignCreationDate(it)
-        }
-        entry.lastModificationTime.date?.let {
-            entryContentsView?.assignModificationDate(it)
-        }
-        entry.lastAccessTime.date?.let {
-            entryContentsView?.assignLastAccessDate(it)
-        }
-        val expires = entry.expiryTime.date
-        if (entry.isExpires && expires != null) {
-            entryContentsView?.assignExpiresDate(expires)
+        entryContentsView?.assignCreationDate(entry.creationTime)
+        entryContentsView?.assignModificationDate(entry.lastModificationTime)
+        entryContentsView?.assignLastAccessDate(entry.lastAccessTime)
+        entryContentsView?.setExpires(entry.isCurrentlyExpires)
+        if (entry.expires) {
+            entryContentsView?.assignExpiresDate(entry.expiryTime)
         } else {
             entryContentsView?.assignExpiresDate(getString(R.string.never))
         }
 
+        // Manage history
+        historyView?.visibility = if (mIsHistory) View.VISIBLE else View.GONE
+        if (mIsHistory) {
+            val taColorAccent = theme.obtainStyledAttributes(intArrayOf(R.attr.colorAccent))
+            collapsingToolbarLayout?.contentScrim = ColorDrawable(taColorAccent.getColor(0, Color.BLACK))
+            taColorAccent.recycle()
+        }
+        val entryHistory = entry.getHistory()
+        // TODO isMainEntry = not an history
+        val showHistoryView = entryHistory.isNotEmpty()
+        entryContentsView?.showHistory(showHistoryView)
+        if (showHistoryView) {
+            entryContentsView?.assignHistory(entryHistory)
+            entryContentsView?.onHistoryClick { historyItem, position ->
+                launch(this, historyItem, mReadOnly, position)
+            }
+        }
+        entryContentsView?.refreshHistory()
+
         // Assign special data
         entryContentsView?.assignUUID(entry.nodeId.id)
 
@@ -262,6 +372,7 @@ class EntryActivity : LockingHideActivity() {
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
+
         when (requestCode) {
             EntryEditActivity.ADD_OR_UPDATE_ENTRY_REQUEST_CODE ->
                 // Not directly get the entry from intent data but from database
@@ -269,6 +380,15 @@ class EntryActivity : LockingHideActivity() {
                     fillEntryDataInContentsView(it)
                 }
         }
+
+        onCreateDocumentResult(requestCode, resultCode, data) { createdFileUri ->
+            if (createdFileUri != null) {
+                mAttachmentsToDownload[requestCode]?.let { attachmentToDownload ->
+                    mAttachmentFileBinderManager
+                            ?.startDownloadAttachment(createdFileUri, attachmentToDownload)
+                }
+            }
+        }
     }
 
     private fun changeShowPasswordIcon(togglePassword: MenuItem?) {
@@ -287,9 +407,12 @@ class EntryActivity : LockingHideActivity() {
         val inflater = menuInflater
         MenuUtil.contributionMenuInflater(inflater, menu)
         inflater.inflate(R.menu.entry, menu)
-        inflater.inflate(R.menu.database_lock, menu)
-
-        if (mReadOnly) {
+        inflater.inflate(R.menu.database, menu)
+        if (mIsHistory && !mReadOnly) {
+            inflater.inflate(R.menu.entry_history, menu)
+        }
+        if (mIsHistory || mReadOnly) {
+            menu.findItem(R.id.menu_save_database)?.isVisible = false
             menu.findItem(R.id.menu_edit)?.isVisible = false
         }
 
@@ -358,21 +481,18 @@ class EntryActivity : LockingHideActivity() {
                 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)
                 }
                 return true
             }
-
             R.id.menu_goto_url -> {
                 var url: String = mEntry?.url ?: ""
 
@@ -382,18 +502,33 @@ class EntryActivity : LockingHideActivity() {
                 }
 
                 UriUtil.gotoUrl(this, url)
-
                 return true
             }
-
+            R.id.menu_restore_entry_history -> {
+                mEntryLastVersion?.let { mainEntry ->
+                    mProgressDialogThread?.startDatabaseRestoreEntryHistory(
+                            mainEntry,
+                            mEntryHistoryPosition,
+                            !mReadOnly && mAutoSaveEnable)
+                }
+            }
+            R.id.menu_delete_entry_history -> {
+                mEntryLastVersion?.let { mainEntry ->
+                    mProgressDialogThread?.startDatabaseDeleteEntryHistory(
+                            mainEntry,
+                            mEntryHistoryPosition,
+                            !mReadOnly && mAutoSaveEnable)
+                }
+            }
             R.id.menu_lock -> {
                 lockAndExit()
                 return true
             }
-
+            R.id.menu_save_database -> {
+                mProgressDialogThread?.startDatabaseSave(!mReadOnly)
+            }
             android.R.id.home -> finish() // close this activity and return to preview activity (if there is any)
         }
-
         return super.onOptionsItemSelected(item)
     }
 
@@ -404,7 +539,7 @@ class EntryActivity : LockingHideActivity() {
 		TODO Slowdown when add entry as result
         Intent intent = new Intent();
         intent.putExtra(EntryEditActivity.ADD_OR_UPDATE_ENTRY_KEY, mEntry);
-        setResult(EntryEditActivity.UPDATE_ENTRY_RESULT_CODE, intent);
+        onFinish(EntryEditActivity.UPDATE_ENTRY_RESULT_CODE, intent);
         */
         super.finish()
     }
@@ -412,13 +547,16 @@ class EntryActivity : LockingHideActivity() {
     companion object {
         private val TAG = EntryActivity::class.java.name
 
-        const val KEY_ENTRY = "entry"
+        const val KEY_ENTRY = "KEY_ENTRY"
+        const val KEY_ENTRY_HISTORY_POSITION = "KEY_ENTRY_HISTORY_POSITION"
 
-        fun launch(activity: Activity, pw: EntryVersioned, readOnly: Boolean) {
+        fun launch(activity: Activity, entry: Entry, readOnly: Boolean, historyPosition: Int? = null) {
             if (TimeoutHelper.checkTimeAndLockIfTimeout(activity)) {
                 val intent = Intent(activity, EntryActivity::class.java)
-                intent.putExtra(KEY_ENTRY, pw.nodeId)
+                intent.putExtra(KEY_ENTRY, entry.nodeId)
                 ReadOnlyHelper.putReadOnlyInIntent(intent, readOnly)
+                if (historyPosition != null)
+                    intent.putExtra(KEY_ENTRY_HISTORY_POSITION, historyPosition)
                 activity.startActivityForResult(intent, EntryEditActivity.ADD_OR_UPDATE_ENTRY_REQUEST_CODE)
             }
         }

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *     
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  */
 package com.kunzisoft.keepass.activities
 
@@ -22,47 +22,54 @@ import android.app.Activity
 import android.content.Intent
 import android.os.Bundle
 import android.os.Handler
-import androidx.appcompat.widget.Toolbar
 import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
 import android.widget.ScrollView
+import androidx.appcompat.widget.Toolbar
+import androidx.coordinatorlayout.widget.CoordinatorLayout
+import com.google.android.material.snackbar.Snackbar
 import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.activities.dialogs.SetOTPDialogFragment
 import com.kunzisoft.keepass.activities.dialogs.GeneratePasswordDialogFragment
 import com.kunzisoft.keepass.activities.dialogs.IconPickerDialogFragment
-import com.kunzisoft.keepass.activities.lock.LockingHideActivity
-import com.kunzisoft.keepass.database.action.ProgressDialogSaveDatabaseThread
-import com.kunzisoft.keepass.database.action.node.ActionNodeValues
-import com.kunzisoft.keepass.database.action.node.AddEntryRunnable
-import com.kunzisoft.keepass.database.action.node.AfterActionNodeFinishRunnable
-import com.kunzisoft.keepass.database.action.node.UpdateEntryRunnable
+import com.kunzisoft.keepass.activities.lock.LockingActivity
 import com.kunzisoft.keepass.database.element.*
+import com.kunzisoft.keepass.database.element.icon.IconImage
+import com.kunzisoft.keepass.database.element.node.NodeId
 import com.kunzisoft.keepass.education.EntryEditActivityEducation
+import com.kunzisoft.keepass.notifications.ClipboardEntryNotificationService
+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.ActionRunnable
 import com.kunzisoft.keepass.timeout.TimeoutHelper
 import com.kunzisoft.keepass.utils.MenuUtil
 import com.kunzisoft.keepass.view.EntryEditContentsView
+import com.kunzisoft.keepass.view.asError
+import java.util.*
 
-class EntryEditActivity : LockingHideActivity(),
+class EntryEditActivity : LockingActivity(),
         IconPickerDialogFragment.IconPickerListener,
-        GeneratePasswordDialogFragment.GeneratePasswordListener {
+        GeneratePasswordDialogFragment.GeneratePasswordListener,
+        SetOTPDialogFragment.CreateOtpListener {
 
     private var mDatabase: Database? = null
 
     // Refs of an entry and group in database, are not modifiable
-    private var mEntry: EntryVersioned? = null
-    private var mParent: GroupVersioned? = null
+    private var mEntry: Entry? = null
+    private var mParent: Group? = null
     // New or copy of mEntry in the database to be modifiable
-    private var mNewEntry: EntryVersioned? = null
+    private var mNewEntry: Entry? = null
     private var mIsNew: Boolean = false
 
     // Views
+    private var coordinatorLayout: CoordinatorLayout? = null
     private var scrollView: ScrollView? = null
-
     private var entryEditContentsView: EntryEditContentsView? = null
-
     private var saveView: View? = null
 
     // Education
@@ -78,6 +85,8 @@ class EntryEditActivity : LockingHideActivity(),
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
         supportActionBar?.setDisplayShowHomeEnabled(true)
 
+        coordinatorLayout = findViewById(R.id.entry_edit_coordinator_layout)
+
         scrollView = findViewById(R.id.entry_edit_scroll)
         scrollView?.scrollBarStyle = View.SCROLLBARS_INSIDE_INSET
 
@@ -86,11 +95,14 @@ class EntryEditActivity : LockingHideActivity(),
         // Focus view to reinitialize timeout
         resetAppTimeoutWhenViewFocusedOrChanged(entryEditContentsView)
 
+        stopService(Intent(this, ClipboardEntryNotificationService::class.java))
+        stopService(Intent(this, KeyboardEntryNotificationService::class.java))
+
         // Likely the app has been killed exit the activity
         mDatabase = Database.getInstance()
 
         // Entry is retrieve, it's an entry to update
-        intent.getParcelableExtra<PwNodeId<*>>(KEY_ENTRY)?.let {
+        intent.getParcelableExtra<NodeId<UUID>>(KEY_ENTRY)?.let {
             mIsNew = false
             // Create an Entry copy to modify from the database entry
             mEntry = mDatabase?.getEntryById(it)
@@ -105,25 +117,27 @@ class EntryEditActivity : LockingHideActivity(),
                 }
             }
 
-            // Retrieve the icon after an orientation change
-            if (savedInstanceState != null && savedInstanceState.containsKey(KEY_NEW_ENTRY)) {
-                mNewEntry = savedInstanceState.getParcelable(KEY_NEW_ENTRY) as EntryVersioned
-            } else {
+            // 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 = EntryVersioned(entry).also { newEntry ->
-
+                    mNewEntry = Entry(entry).also { newEntry ->
                         // WARNING Remove the parent to keep memory with parcelable
-                        newEntry.parent = null
+                        newEntry.removeParent()
                     }
                 }
             }
         }
 
         // Parent is retrieve, it's a new entry to create
-        intent.getParcelableExtra<PwNodeId<*>>(KEY_PARENT)?.let {
+        intent.getParcelableExtra<NodeId<*>>(KEY_PARENT)?.let {
             mIsNew = true
-            mNewEntry = mDatabase?.createEntry()
+            // Create an empty new entry
+            if (savedInstanceState == null
+                    || !savedInstanceState.containsKey(KEY_NEW_ENTRY)) {
+                mNewEntry = mDatabase?.createEntry()
+            }
             mParent = mDatabase?.getGroupById(it)
             // Add the default icon
             mDatabase?.drawFactory?.let { iconFactory ->
@@ -131,6 +145,12 @@ class EntryEditActivity : LockingHideActivity(),
             }
         }
 
+        // Retrieve the new entry after an orientation change
+        if (savedInstanceState != null
+                && savedInstanceState.containsKey(KEY_NEW_ENTRY)) {
+            mNewEntry = savedInstanceState.getParcelable(KEY_NEW_ENTRY)
+        }
+
         // Close the activity if entry or parent can't be retrieve
         if (mNewEntry == null || mParent == null) {
             finish()
@@ -152,13 +172,35 @@ class EntryEditActivity : LockingHideActivity(),
         saveView = findViewById(R.id.entry_edit_save)
         saveView?.setOnClickListener { saveEntry() }
 
-        entryEditContentsView?.allowCustomField(mNewEntry?.allowCustomFields() == true) { addNewCustomField() }
+        entryEditContentsView?.allowCustomField(mNewEntry?.allowCustomFields() == true) {
+            addNewCustomField()
+        }
 
         // Verify the education views
         entryEditActivityEducation = EntryEditActivityEducation(this)
+
+        // Create progress dialog
+        mProgressDialogThread?.onActionFinish = { actionTask, result ->
+            when (actionTask) {
+                ACTION_DATABASE_CREATE_ENTRY_TASK,
+                ACTION_DATABASE_UPDATE_ENTRY_TASK -> {
+                    if (result.isSuccess)
+                        finish()
+                }
+            }
+
+            // Show error
+            if (!result.isSuccess) {
+                result.message?.let { resultMessage ->
+                    Snackbar.make(coordinatorLayout!!,
+                            resultMessage,
+                            Snackbar.LENGTH_LONG).asError().show()
+                }
+            }
+        }
     }
 
-    private fun populateViewsWithEntry(newEntry: EntryVersioned) {
+    private fun populateViewsWithEntry(newEntry: Entry) {
         // Don't start the field reference manager, we want to see the raw ref
         mDatabase?.stopManageEntry(newEntry)
 
@@ -168,30 +210,33 @@ class EntryEditActivity : LockingHideActivity(),
         // Set info in view
         entryEditContentsView?.apply {
             title = newEntry.title
-            username = newEntry.username
+            username = if (newEntry.username.isEmpty()) mDatabase?.defaultUsername ?:"" else newEntry.username
             url = newEntry.url
             password = newEntry.password
             notes = newEntry.notes
             for (entry in newEntry.customFields.entries) {
-                addNewCustomField(entry.key, entry.value)
+                post {
+                    putCustomField(entry.key, entry.value)
+                }
             }
         }
     }
 
-    private fun populateEntryWithViews(newEntry: EntryVersioned) {
+    private fun populateEntryWithViews(newEntry: Entry) {
 
         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
                 notes = entryView.notes
                 entryView.customFields.forEach { customField ->
-                    addExtraField(customField.name, customField.protectedValue)
+                    putExtraField(customField.name, customField.protectedValue)
                 }
             }
         }
@@ -199,7 +244,7 @@ class EntryEditActivity : LockingHideActivity(),
         mDatabase?.stopManageEntry(newEntry)
     }
 
-    private fun temporarilySaveAndShowSelectedIcon(icon: PwIcon) {
+    private fun temporarilySaveAndShowSelectedIcon(icon: IconImage) {
         mNewEntry?.icon = icon
         mDatabase?.drawFactory?.let { iconDrawFactory ->
             entryEditContentsView?.setIcon(iconDrawFactory, icon)
@@ -217,9 +262,7 @@ class EntryEditActivity : LockingHideActivity(),
      * Add a new customized field view and scroll to bottom
      */
     private fun addNewCustomField() {
-        entryEditContentsView?.addNewCustomField()
-        // Scroll bottom
-        scrollView?.post { scrollView?.fullScroll(ScrollView.FOCUS_DOWN) }
+        entryEditContentsView?.addEmptyCustomField()
     }
 
     /**
@@ -230,47 +273,32 @@ class EntryEditActivity : LockingHideActivity(),
         // Launch a validation and show the error if present
         if (entryEditContentsView?.isValid() == true) {
             // Clone the entry
-            mDatabase?.let { database ->
-                mNewEntry?.let { newEntry ->
+            mNewEntry?.let { newEntry ->
 
-                    // WARNING Add the parent previously deleted
-                    newEntry.parent = mEntry?.parent
-                    // Build info
-                    newEntry.lastAccessTime = PwDate()
-                    newEntry.lastModificationTime = PwDate()
+                // WARNING Add the parent previously deleted
+                newEntry.parent = mEntry?.parent
+                // Build info
+                newEntry.lastAccessTime = DateInstant()
+                newEntry.lastModificationTime = DateInstant()
 
-                    populateEntryWithViews(newEntry)
+                populateEntryWithViews(newEntry)
 
-                    // Open a progress dialog and save entry
-                    var actionRunnable: ActionRunnable? = null
-                    val afterActionNodeFinishRunnable = object : AfterActionNodeFinishRunnable() {
-                        override fun onActionNodeFinish(actionNodeValues: ActionNodeValues) {
-                            if (actionNodeValues.result.isSuccess)
-                                finish()
-                        }
+                // Open a progress dialog and save entry
+                if (mIsNew) {
+                    mParent?.let { parent ->
+                        mProgressDialogThread?.startDatabaseCreateEntry(
+                                newEntry,
+                                parent,
+                                !mReadOnly && mAutoSaveEnable
+                        )
                     }
-                    if (mIsNew) {
-                        mParent?.let { parent ->
-                            actionRunnable = AddEntryRunnable(this@EntryEditActivity,
-                                    database,
-                                    newEntry,
-                                    parent,
-                                    afterActionNodeFinishRunnable,
-                                    !mReadOnly)
-                        }
-
-                    } else {
-                        mEntry?.let { oldEntry ->
-                            actionRunnable = UpdateEntryRunnable(this@EntryEditActivity,
-                                    database,
-                                    oldEntry,
-                                    newEntry,
-                                    afterActionNodeFinishRunnable,
-                                    !mReadOnly)
-                        }
-                    }
-                    actionRunnable?.let { runnable ->
-                        ProgressDialogSaveDatabaseThread(this@EntryEditActivity) { runnable }.start()
+                } else {
+                    mEntry?.let { oldEntry ->
+                        mProgressDialogThread?.startDatabaseUpdateEntry(
+                                oldEntry,
+                                newEntry,
+                                !mReadOnly && mAutoSaveEnable
+                        )
                     }
                 }
             }
@@ -281,8 +309,12 @@ class EntryEditActivity : LockingHideActivity(),
         super.onCreateOptionsMenu(menu)
 
         val inflater = menuInflater
-        inflater.inflate(R.menu.database_lock, menu)
+        inflater.inflate(R.menu.database, menu)
+        // Save database not needed here
+        menu.findItem(R.id.menu_save_database)?.isVisible = false
         MenuUtil.contributionMenuInflater(inflater, menu)
+        if (mDatabase?.allowOTP == true)
+            inflater.inflate(R.menu.entry_otp, menu)
 
         entryEditActivityEducation?.let {
             Handler().post { performedNextEducation(it) }
@@ -293,7 +325,7 @@ class EntryEditActivity : LockingHideActivity(),
 
     private fun performedNextEducation(entryEditActivityEducation: EntryEditActivityEducation) {
         val passwordView = entryEditContentsView?.generatePasswordView
-        val addNewFieldView = entryEditContentsView?.addNewFieldView
+        val addNewFieldView = entryEditContentsView?.addNewFieldButton
 
         val generatePasswordEducationPerformed = passwordView != null
                 && entryEditActivityEducation.checkAndPerformedGeneratePasswordEducation(
@@ -323,18 +355,34 @@ class EntryEditActivity : LockingHideActivity(),
                 lockAndExit()
                 return true
             }
-
+            R.id.menu_save_database -> {
+                mProgressDialogThread?.startDatabaseSave(!mReadOnly)
+            }
             R.id.menu_contribute -> {
                 MenuUtil.onContributionItemSelected(this)
                 return true
             }
-
+            R.id.menu_add_otp -> {
+                // Retrieve the current otpElement if exists
+                // and open the dialog to set up the OTP
+                SetOTPDialogFragment.build(mEntry?.getOtpElement()?.otpModel)
+                        .show(supportFragmentManager, "addOTPDialog")
+                return true
+            }
             android.R.id.home -> finish()
         }
 
         return super.onOptionsItemSelected(item)
     }
 
+    override fun onOtpCreated(otpElement: OtpElement) {
+        // 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)
+    }
+
     override fun iconPicked(bundle: Bundle) {
         IconPickerDialogFragment.getIconStandardFromBundle(bundle)?.let { icon ->
             temporarilySaveAndShowSelectedIcon(icon)
@@ -342,7 +390,10 @@ class EntryEditActivity : LockingHideActivity(),
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
-        outState.putParcelable(KEY_NEW_ENTRY, mNewEntry)
+        mNewEntry?.let {
+            populateEntryWithViews(it)
+            outState.putParcelable(KEY_NEW_ENTRY, it)
+        }
 
         super.onSaveInstanceState(outState)
     }
@@ -405,7 +456,7 @@ class EntryEditActivity : LockingHideActivity(),
          * @param activity from activity
          * @param pwEntry Entry to update
          */
-        fun launch(activity: Activity, pwEntry: EntryVersioned) {
+        fun launch(activity: Activity, pwEntry: Entry) {
             if (TimeoutHelper.checkTimeAndLockIfTimeout(activity)) {
                 val intent = Intent(activity, EntryEditActivity::class.java)
                 intent.putExtra(KEY_ENTRY, pwEntry.nodeId)
@@ -419,7 +470,7 @@ class EntryEditActivity : LockingHideActivity(),
          * @param activity from activity
          * @param pwGroup Group who will contains new entry
          */
-        fun launch(activity: Activity, pwGroup: GroupVersioned) {
+        fun launch(activity: Activity, pwGroup: Group) {
             if (TimeoutHelper.checkTimeAndLockIfTimeout(activity)) {
                 val intent = Intent(activity, EntryEditActivity::class.java)
                 intent.putExtra(KEY_PARENT, pwGroup.nodeId)

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities
@@ -29,38 +29,32 @@ import android.os.Bundle
 import android.os.Environment
 import android.os.Handler
 import android.preference.PreferenceManager
-import androidx.annotation.RequiresApi
-import com.google.android.material.snackbar.Snackbar
-import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
-import androidx.recyclerview.widget.SimpleItemAnimator
-import androidx.appcompat.widget.Toolbar
 import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
-import android.widget.EditText
 import android.widget.TextView
+import androidx.annotation.RequiresApi
+import androidx.appcompat.widget.Toolbar
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.SimpleItemAnimator
+import com.google.android.material.snackbar.Snackbar
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.dialogs.AssignMasterKeyDialogFragment
-import com.kunzisoft.keepass.activities.dialogs.BrowserDialogFragment
 import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
 import com.kunzisoft.keepass.activities.helpers.OpenFileHelper
 import com.kunzisoft.keepass.activities.stylish.StylishActivity
 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.CreateDatabaseRunnable
 import com.kunzisoft.keepass.database.action.ProgressDialogThread
 import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.education.FileDatabaseSelectActivityEducation
-import com.kunzisoft.keepass.settings.PreferencesUtil
-import com.kunzisoft.keepass.tasks.ActionRunnable
-import com.kunzisoft.keepass.utils.MenuUtil
-import com.kunzisoft.keepass.utils.UriUtil
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_CREATE_TASK
+import com.kunzisoft.keepass.utils.*
 import com.kunzisoft.keepass.view.asError
 import kotlinx.android.synthetic.main.activity_file_selection.*
-import net.cachapa.expandablelayout.ExpandableLayout
 import java.io.FileNotFoundException
 
 class FileDatabaseSelectActivity : StylishActivity(),
@@ -69,11 +63,7 @@ class FileDatabaseSelectActivity : StylishActivity(),
     // Views
     private var fileListContainer: View? = null
     private var createButtonView: View? = null
-    private var browseButtonView: View? = null
-    private var openButtonView: View? = null
-    private var fileSelectExpandableButtonView: View? = null
-    private var fileSelectExpandableLayout: ExpandableLayout? = null
-    private var openFileNameView: EditText? = null
+    private var openDatabaseButtonView: View? = null
 
     // Adapter to manage database history list
     private var mAdapterDatabaseHistory: FileDatabaseHistoryAdapter? = null
@@ -84,7 +74,7 @@ class FileDatabaseSelectActivity : StylishActivity(),
 
     private var mOpenFileHelper: OpenFileHelper? = null
 
-    private var mDefaultPath: String? = null
+    private var mProgressDialogThread: ProgressDialogThread? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -98,63 +88,22 @@ class FileDatabaseSelectActivity : StylishActivity(),
         toolbar.title = ""
         setSupportActionBar(toolbar)
 
-        openFileNameView = findViewById(R.id.file_filename)
-
-        // Set the initial value of the filename
-        mDefaultPath = (Environment.getExternalStorageDirectory().absolutePath
-                + getString(R.string.database_file_path_default)
-                + getString(R.string.database_file_name_default)
-                + getString(R.string.database_file_extension_default))
-        openFileNameView?.setHint(R.string.open_link_database)
-
-        // Button to expand file selection
-        fileSelectExpandableButtonView = findViewById(R.id.file_select_expandable_button)
-        fileSelectExpandableLayout = findViewById(R.id.file_select_expandable)
-        fileSelectExpandableButtonView?.setOnClickListener { _ ->
-            if (fileSelectExpandableLayout?.isExpanded == true)
-                fileSelectExpandableLayout?.collapse()
-            else
-                fileSelectExpandableLayout?.expand()
-        }
-
-        // Open button
-        openButtonView = findViewById(R.id.open_database)
-        openButtonView?.setOnClickListener { _ ->
-            var fileName = openFileNameView?.text?.toString() ?: ""
-            mDefaultPath?.let {
-                if (fileName.isEmpty())
-                    fileName = it
-            }
-            UriUtil.parse(fileName)?.let { fileNameUri ->
-                launchPasswordActivityWithPath(fileNameUri)
-            } ?: run {
-                Log.e(TAG, "Unable to open the database link")
-                Snackbar.make(activity_file_selection_coordinator_layout, getString(R.string.error_can_not_handle_uri), Snackbar.LENGTH_LONG).asError().show()
-                null
-            }
-        }
-
         // Create button
-        createButtonView = findViewById(R.id.create_database)
-        if (Intent(Intent.ACTION_CREATE_DOCUMENT).apply {
-                    addCategory(Intent.CATEGORY_OPENABLE)
-                    type = "application/x-keepass"
-                }.resolveActivity(packageManager) == null) {
-            // No Activity found that can handle this intent.
-            createButtonView?.visibility = View.GONE
-        }
-        else{
+        createButtonView = findViewById(R.id.create_database_button)
+        if (allowCreateDocumentByStorageAccessFramework(packageManager)) {
             // There is an activity which can handle this intent.
             createButtonView?.visibility = View.VISIBLE
         }
+        else{
+            // No Activity found that can handle this intent.
+            createButtonView?.visibility = View.GONE
+        }
 
         createButtonView?.setOnClickListener { createNewFile() }
 
         mOpenFileHelper = OpenFileHelper(this)
-        browseButtonView = findViewById(R.id.browse_button)
-        browseButtonView?.setOnClickListener(mOpenFileHelper!!.getOpenFileOnClickViewListener {
-            UriUtil.parse(openFileNameView?.text?.toString())
-        })
+        openDatabaseButtonView = findViewById(R.id.open_database_button)
+        openDatabaseButtonView?.setOnClickListener(mOpenFileHelper?.openFileOnClickViewListener)
 
         // History list
         val fileDatabaseHistoryRecyclerView = findViewById<RecyclerView>(R.id.file_list)
@@ -207,6 +156,20 @@ class FileDatabaseSelectActivity : StylishActivity(),
                 && savedInstanceState.containsKey(EXTRA_DATABASE_URI)) {
             mDatabaseFileUri = savedInstanceState.getParcelable(EXTRA_DATABASE_URI)
         }
+
+        // Attach the dialog thread to this activity
+        mProgressDialogThread = ProgressDialogThread(this).apply {
+            onActionFinish = { actionTask, _ ->
+                when (actionTask) {
+                    ACTION_DATABASE_CREATE_TASK -> {
+                        // TODO Check
+                        // mAdapterDatabaseHistory?.notifyDataSetChanged()
+                        // updateFileListVisibility()
+                        GroupActivity.launch(this@FileDatabaseSelectActivity)
+                    }
+                }
+            }
+        }
     }
 
     /**
@@ -214,18 +177,8 @@ class FileDatabaseSelectActivity : StylishActivity(),
      */
     @SuppressLint("InlinedApi")
     private fun createNewFile() {
-        try {
-            startActivityForResult(Intent(
-                    Intent.ACTION_CREATE_DOCUMENT).apply {
-                        addCategory(Intent.CATEGORY_OPENABLE)
-                        type = "application/x-keepass"
-                        putExtra(Intent.EXTRA_TITLE, getString(R.string.database_file_name_default) +
-                                getString(R.string.database_file_extension_default))
-                    },
-                    CREATE_FILE_REQUEST_CODE)
-        } catch (e: Exception) {
-            BrowserDialogFragment().show(supportFragmentManager, "browserDialog")
-        }
+        createDocument(this, getString(R.string.database_file_name_default) +
+                getString(R.string.database_file_extension_default), "application/x-keepass")
     }
 
     private fun fileNoFoundAction(e: FileNotFoundException) {
@@ -267,6 +220,23 @@ class FileDatabaseSelectActivity : StylishActivity(),
                 })
     }
 
+    private fun launchGroupActivity(readOnly: Boolean) {
+        EntrySelectionHelper.doEntrySelectionAction(intent,
+                {
+                    GroupActivity.launch(this@FileDatabaseSelectActivity, readOnly)
+                },
+                {
+                    GroupActivity.launchForKeyboardSelection(this@FileDatabaseSelectActivity, readOnly)
+                    // Do not keep history
+                    finish()
+                },
+                { assistStructure ->
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                        GroupActivity.launchForAutofillResult(this@FileDatabaseSelectActivity, assistStructure, readOnly)
+                    }
+                })
+    }
+
     private fun launchPasswordActivityWithPath(databaseUri: Uri) {
         launchPasswordActivity(databaseUri, null)
         // Delete flickering for kitkat <=
@@ -294,6 +264,11 @@ class FileDatabaseSelectActivity : StylishActivity(),
     }
 
     override fun onResume() {
+        val database = Database.getInstance()
+        if (database.loaded) {
+            launchGroupActivity(database.isReadOnly)
+        }
+
         super.onResume()
 
         updateExternalStorageWarning()
@@ -306,6 +281,16 @@ class FileDatabaseSelectActivity : StylishActivity(),
                 mAdapterDatabaseHistory?.notifyDataSetChanged()
             }
         }
+
+        // Register progress task
+        mProgressDialogThread?.registerProgressTask()
+    }
+
+    override fun onPause() {
+        // Unregister progress task
+        mProgressDialogThread?.unregisterProgressTask()
+
+        super.onPause()
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
@@ -331,21 +316,13 @@ class FileDatabaseSelectActivity : StylishActivity(),
             mDatabaseFileUri?.let { databaseUri ->
 
                 // Create the new database
-                ProgressDialogThread(this@FileDatabaseSelectActivity,
-                        {
-                                CreateDatabaseRunnable(this@FileDatabaseSelectActivity,
-                                        databaseUri,
-                                        Database.getInstance(),
-                                        masterPasswordChecked,
-                                        masterPassword,
-                                        keyFileChecked,
-                                        keyFile,
-                                        true, // TODO get readonly
-                                        LaunchGroupActivityFinish(databaseUri, keyFile)
-                                )
-                        },
-                        R.string.progress_create)
-                        .start()
+                mProgressDialogThread?.startDatabaseCreate(
+                        databaseUri,
+                        masterPasswordChecked,
+                        masterPassword,
+                        keyFileChecked,
+                        keyFile
+                )
             }
         } catch (e: Exception) {
             val error = getString(R.string.error_create_database_file)
@@ -354,28 +331,6 @@ class FileDatabaseSelectActivity : StylishActivity(),
         }
     }
 
-    private inner class LaunchGroupActivityFinish(private val databaseFileUri: Uri,
-                                                  private val keyFileUri: Uri?) : ActionRunnable() {
-
-        override fun run() {
-            finishRun(true, null)
-        }
-
-        override fun onFinishRun(result: Result) {
-            runOnUiThread {
-                if (result.isSuccess) {
-                    // Add database to recent files
-                    mFileDatabaseHistoryAction?.addOrUpdateDatabaseUri(databaseFileUri, keyFileUri)
-                    mAdapterDatabaseHistory?.notifyDataSetChanged()
-                    updateFileListVisibility()
-                    GroupActivity.launch(this@FileDatabaseSelectActivity)
-                } else {
-                    Log.e(TAG, "Unable to open the database")
-                }
-            }
-        }
-    }
-
     override fun onAssignKeyDialogNegativeClick(
             masterPasswordChecked: Boolean, masterPassword: String?,
             keyFileChecked: Boolean, keyFile: Uri?) {
@@ -392,23 +347,19 @@ class FileDatabaseSelectActivity : StylishActivity(),
         mOpenFileHelper?.onActivityResultCallback(requestCode, resultCode, data
         ) { uri ->
             if (uri != null) {
-                if (PreferencesUtil.autoOpenSelectedFile(this@FileDatabaseSelectActivity)) {
-                    launchPasswordActivityWithPath(uri)
-                } else {
-                    fileSelectExpandableLayout?.expand(false)
-                    openFileNameView?.setText(uri.toString())
-                }
+                launchPasswordActivityWithPath(uri)
             }
         }
 
         // Retrieve the created URI from the file manager
-        if (requestCode == CREATE_FILE_REQUEST_CODE && resultCode == Activity.RESULT_OK) {
-            mDatabaseFileUri = data?.data
+        onCreateDocumentResult(requestCode, resultCode, data) { databaseFileCreatedUri ->
+            mDatabaseFileUri = databaseFileCreatedUri
             if (mDatabaseFileUri != null) {
-                AssignMasterKeyDialogFragment().show(supportFragmentManager, "passwordDialog")
+                AssignMasterKeyDialogFragment.getInstance(true)
+                        .show(supportFragmentManager, "passwordDialog")
             }
             // else {
-                // TODO Show error
+            // TODO Show error
             // }
         }
     }
@@ -438,20 +389,15 @@ class FileDatabaseSelectActivity : StylishActivity(),
                 })
         if (!createDatabaseEducationPerformed) {
             // selectDatabaseEducationPerformed
-            browseButtonView != null
+            openDatabaseButtonView != null
                     && fileDatabaseSelectActivityEducation.checkAndPerformedSelectDatabaseEducation(
-                    browseButtonView!!,
+                    openDatabaseButtonView!!,
                     {tapTargetView ->
                         tapTargetView?.let {
                             mOpenFileHelper?.openFileOnClickViewListener?.onClick(it)
                         }
                     },
-                    {
-                        fileSelectExpandableButtonView?.let {
-                            fileDatabaseSelectActivityEducation
-                                    .checkAndPerformedOpenLinkDatabaseEducation(it)
-                        }
-                    }
+                    {}
             )
         }
     }
@@ -466,8 +412,6 @@ class FileDatabaseSelectActivity : StylishActivity(),
         private const val EXTRA_STAY = "EXTRA_STAY"
         private const val EXTRA_DATABASE_URI = "EXTRA_DATABASE_URI"
 
-        private const val CREATE_FILE_REQUEST_CODE = 3853
-
         /*
          * -------------------------
          * No Standard Launch, pass by PasswordActivity

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

@@ -1,24 +1,23 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *     
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  */
 package com.kunzisoft.keepass.activities
 
-import android.annotation.SuppressLint
 import android.app.Activity
 import android.app.SearchManager
 import android.app.assist.AssistStructure
@@ -29,55 +28,71 @@ import android.graphics.Color
 import android.os.Build
 import android.os.Bundle
 import android.os.Handler
-import androidx.annotation.RequiresApi
-import androidx.fragment.app.FragmentManager
-import androidx.appcompat.widget.SearchView
-import androidx.appcompat.widget.Toolbar
 import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
 import android.widget.ImageView
 import android.widget.TextView
+import androidx.annotation.RequiresApi
+import androidx.appcompat.view.ActionMode
+import androidx.appcompat.widget.SearchView
+import androidx.appcompat.widget.Toolbar
+import androidx.coordinatorlayout.widget.CoordinatorLayout
+import androidx.fragment.app.FragmentManager
+import com.google.android.material.snackbar.Snackbar
 import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.activities.dialogs.DeleteNodesDialogFragment
 import com.kunzisoft.keepass.activities.dialogs.GroupEditDialogFragment
 import com.kunzisoft.keepass.activities.dialogs.IconPickerDialogFragment
-import com.kunzisoft.keepass.activities.dialogs.ReadOnlyDialog
 import com.kunzisoft.keepass.activities.dialogs.SortDialogFragment
 import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
 import com.kunzisoft.keepass.activities.helpers.ReadOnlyHelper
 import com.kunzisoft.keepass.activities.lock.LockingActivity
-import com.kunzisoft.keepass.adapters.NodeAdapter
 import com.kunzisoft.keepass.adapters.SearchEntryCursorAdapter
 import com.kunzisoft.keepass.autofill.AutofillHelper
-import com.kunzisoft.keepass.database.SortNodeEnum
-import com.kunzisoft.keepass.database.action.ProgressDialogSaveDatabaseThread
-import com.kunzisoft.keepass.database.action.node.*
-import com.kunzisoft.keepass.database.action.node.ActionNodeDatabaseRunnable.Companion.NODE_POSITION_FOR_ACTION_NATURAL_ORDER_KEY
-import com.kunzisoft.keepass.database.element.*
+import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.database.element.Entry
+import com.kunzisoft.keepass.database.element.Group
+import com.kunzisoft.keepass.database.element.SortNodeEnum
+import com.kunzisoft.keepass.database.element.icon.IconImage
+import com.kunzisoft.keepass.database.element.node.Node
+import com.kunzisoft.keepass.database.element.node.NodeId
+import com.kunzisoft.keepass.database.element.node.Type
 import com.kunzisoft.keepass.education.GroupActivityEducation
 import com.kunzisoft.keepass.icons.assignDatabaseIcon
 import com.kunzisoft.keepass.magikeyboard.MagikIME
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_COPY_NODES_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_CREATE_GROUP_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_DELETE_NODES_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_MOVE_NODES_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_GROUP_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.NEW_NODES_KEY
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.OLD_NODES_KEY
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.getListNodesFromBundle
 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 net.cachapa.expandablelayout.ExpandableLayout
+import com.kunzisoft.keepass.view.ToolbarAction
+import com.kunzisoft.keepass.view.asError
 
 class GroupActivity : LockingActivity(),
         GroupEditDialogFragment.EditGroupListener,
         IconPickerDialogFragment.IconPickerListener,
-        NodeAdapter.NodeMenuListener,
+        ListNodesFragment.NodeClickListener,
+        ListNodesFragment.NodesActionMenuListener,
+        DeleteNodesDialogFragment.DeleteNodeListener,
         ListNodesFragment.OnScrollListener,
-        NodeAdapter.NodeClickCallback,
         SortDialogFragment.SortSelectionListener {
 
     // Views
+    private var coordinatorLayout: CoordinatorLayout? = null
     private var toolbar: Toolbar? = null
     private var searchTitleView: View? = null
-    private var toolbarPasteExpandableLayout: ExpandableLayout? = null
-    private var toolbarPaste: Toolbar? = null
+    private var toolbarAction: ToolbarAction? = null
     private var iconView: ImageView? = null
+    private var numberChildrenView: TextView? = null
     private var modeTitleView: TextView? = null
     private var addNodeButtonView: AddNodeButtonView? = null
     private var groupNameView: TextView? = null
@@ -88,11 +103,9 @@ class GroupActivity : LockingActivity(),
     private var mCurrentGroupIsASearch: Boolean = false
 
     // Nodes
-    private var mRootGroup: GroupVersioned? = null
-    private var mCurrentGroup: GroupVersioned? = null
-    private var mOldGroupToUpdate: GroupVersioned? = null
-    private var mNodeToCopy: NodeVersioned? = null
-    private var mNodeToMove: NodeVersioned? = null
+    private var mRootGroup: Group? = null
+    private var mCurrentGroup: Group? = null
+    private var mOldGroupToUpdate: Group? = null
 
     private var mSearchSuggestionAdapter: SearchEntryCursorAdapter? = null
 
@@ -110,15 +123,19 @@ class GroupActivity : LockingActivity(),
         setContentView(layoutInflater.inflate(R.layout.activity_group, null))
 
         // Initialize views
-        iconView = findViewById(R.id.icon)
+        coordinatorLayout = findViewById(R.id.group_coordinator)
+        iconView = findViewById(R.id.group_icon)
+        numberChildrenView = findViewById(R.id.group_numbers)
         addNodeButtonView = findViewById(R.id.add_node_button)
         toolbar = findViewById(R.id.toolbar)
         searchTitleView = findViewById(R.id.search_title)
         groupNameView = findViewById(R.id.group_name)
-        toolbarPasteExpandableLayout = findViewById(R.id.expandable_toolbar_paste_layout)
-        toolbarPaste = findViewById(R.id.toolbar_paste)
+        toolbarAction = findViewById(R.id.toolbar_action)
         modeTitleView = findViewById(R.id.mode_title_view)
 
+        toolbar?.title = ""
+        setSupportActionBar(toolbar)
+
         // Focus view to reinitialize timeout
         resetAppTimeoutWhenViewFocusedOrChanged(addNodeButtonView)
 
@@ -126,13 +143,6 @@ class GroupActivity : LockingActivity(),
         if (savedInstanceState != null) {
             if (savedInstanceState.containsKey(OLD_GROUP_TO_UPDATE_KEY))
                 mOldGroupToUpdate = savedInstanceState.getParcelable(OLD_GROUP_TO_UPDATE_KEY)
-            if (savedInstanceState.containsKey(NODE_TO_COPY_KEY)) {
-                mNodeToCopy = savedInstanceState.getParcelable(NODE_TO_COPY_KEY)
-                toolbarPaste?.setOnMenuItemClickListener(OnCopyMenuItemClickListener())
-            } else if (savedInstanceState.containsKey(NODE_TO_MOVE_KEY)) {
-                mNodeToMove = savedInstanceState.getParcelable(NODE_TO_MOVE_KEY)
-                toolbarPaste?.setOnMenuItemClickListener(OnMoveMenuItemClickListener())
-            }
         }
 
         try {
@@ -153,17 +163,6 @@ class GroupActivity : LockingActivity(),
         // Update last access time.
         mCurrentGroup?.touch(modified = false, touchParents = false)
 
-        toolbar?.title = ""
-        setSupportActionBar(toolbar)
-
-        toolbarPaste?.inflateMenu(R.menu.node_paste_menu)
-        toolbarPaste?.setNavigationIcon(R.drawable.ic_arrow_left_white_24dp)
-        toolbarPaste?.setNavigationOnClickListener {
-            toolbarPasteExpandableLayout?.collapse()
-            mNodeToCopy = null
-            mNodeToMove = null
-        }
-
         // Retrieve the textColor to tint the icon
         val taTextColor = theme.obtainStyledAttributes(intArrayOf(R.attr.textColorInverse))
         mIconColor = taTextColor.getColor(0, Color.WHITE)
@@ -197,9 +196,75 @@ class GroupActivity : LockingActivity(),
             }
         })
 
-        // Search suggestion
         mDatabase?.let { database ->
+            // Search suggestion
             mSearchSuggestionAdapter = SearchEntryCursorAdapter(this, database)
+
+            // Init dialog thread
+            mProgressDialogThread?.onActionFinish = { actionTask, result ->
+
+                var oldNodes: List<Node> = ArrayList()
+                result.data?.getBundle(OLD_NODES_KEY)?.let { oldNodesBundle ->
+                    oldNodes = getListNodesFromBundle(database, oldNodesBundle)
+                }
+                var newNodes: List<Node> = ArrayList()
+                result.data?.getBundle(NEW_NODES_KEY)?.let { newNodesBundle ->
+                    newNodes = getListNodesFromBundle(database, newNodesBundle)
+                }
+
+                when (actionTask) {
+                    ACTION_DATABASE_UPDATE_GROUP_TASK -> {
+                        if (result.isSuccess) {
+                            mListNodesFragment?.updateNodes(oldNodes, newNodes)
+                        }
+                    }
+                    ACTION_DATABASE_CREATE_GROUP_TASK,
+                    ACTION_DATABASE_COPY_NODES_TASK,
+                    ACTION_DATABASE_MOVE_NODES_TASK -> {
+                        if (result.isSuccess) {
+                            mListNodesFragment?.addNodes(newNodes)
+                        }
+                    }
+                    ACTION_DATABASE_DELETE_NODES_TASK -> {
+                        if (result.isSuccess) {
+
+                            // Rebuild all the list to avoid bug when delete node from sort
+                            mListNodesFragment?.rebuildList()
+
+                            // Add trash in views list if it doesn't exists
+                            if (database.isRecycleBinEnabled) {
+                                val recycleBin = database.recycleBin
+                                val currentGroup = mCurrentGroup
+                                if (currentGroup != null && recycleBin != null
+                                        && currentGroup != recycleBin) {
+                                    // Recycle bin already here, simply update it
+                                    if (mListNodesFragment?.contains(recycleBin) == true) {
+                                        mListNodesFragment?.updateNode(recycleBin)
+                                    }
+                                    // Recycle bin not here, verify if parents are similar to add it
+                                    else if (currentGroup == recycleBin.parent) {
+                                        mListNodesFragment?.addNode(recycleBin)
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+
+                if (!result.isSuccess) {
+                    coordinatorLayout?.let { coordinatorLayout ->
+                        result.exception?.errorId?.let { errorId ->
+                            Snackbar.make(coordinatorLayout, errorId, Snackbar.LENGTH_LONG).asError().show()
+                        } ?: result.message?.let { message ->
+                            Snackbar.make(coordinatorLayout, message, Snackbar.LENGTH_LONG).asError().show()
+                        }
+                    }
+                }
+
+                finishNodeAction()
+
+                refreshNumberOfChildren()
+            }
         }
 
         Log.i(TAG, "Finished creating tree")
@@ -221,7 +286,7 @@ class GroupActivity : LockingActivity(),
         }
     }
 
-    private fun openSearchGroup(group: GroupVersioned?) {
+    private fun openSearchGroup(group: Group?) {
         // Delete the previous search fragment
         val searchFragment = supportFragmentManager.findFragmentByTag(SEARCH_FRAGMENT_TAG)
         if (searchFragment != null) {
@@ -233,11 +298,11 @@ class GroupActivity : LockingActivity(),
         openGroup(group, true)
     }
 
-    private fun openChildGroup(group: GroupVersioned) {
+    private fun openChildGroup(group: Group) {
         openGroup(group, false)
     }
 
-    private fun openGroup(group: GroupVersioned?, isASearch: Boolean) {
+    private fun openGroup(group: Group?, isASearch: Boolean) {
         // Check TimeoutHelper
         TimeoutHelper.checkTimeAndLockIfTimeoutOrResetTimeout(this) {
             // Open a group in a new fragment
@@ -274,16 +339,10 @@ class GroupActivity : LockingActivity(),
         mOldGroupToUpdate?.let {
             outState.putParcelable(OLD_GROUP_TO_UPDATE_KEY, it)
         }
-        mNodeToCopy?.let {
-            outState.putParcelable(NODE_TO_COPY_KEY, it)
-        }
-        mNodeToMove?.let {
-            outState.putParcelable(NODE_TO_MOVE_KEY, it)
-        }
         super.onSaveInstanceState(outState)
     }
 
-    private fun retrieveCurrentGroup(intent: Intent, savedInstanceState: Bundle?): GroupVersioned? {
+    private fun retrieveCurrentGroup(intent: Intent, savedInstanceState: Bundle?): Group? {
 
         // Force read only if the database is like that
         mReadOnly = mDatabase?.isReadOnly == true || mReadOnly
@@ -294,7 +353,7 @@ class GroupActivity : LockingActivity(),
         }
         // else a real group
         else {
-            var pwGroupId: PwNodeId<*>? = null
+            var pwGroupId: NodeId<*>? = null
             if (savedInstanceState != null && savedInstanceState.containsKey(GROUP_ID_KEY)) {
                 pwGroupId = savedInstanceState.getParcelable(GROUP_ID_KEY)
             } else {
@@ -303,7 +362,7 @@ class GroupActivity : LockingActivity(),
             }
 
             Log.w(TAG, "Creating tree view")
-            val currentGroup: GroupVersioned?
+            val currentGroup: Group?
             currentGroup = if (pwGroupId == null) {
                 mRootGroup
             } else {
@@ -359,6 +418,9 @@ class GroupActivity : LockingActivity(),
             }
         }
 
+        // Assign number of children
+        refreshNumberOfChildren()
+
         // Show selection mode message if needed
         if (mSelectionMode) {
             modeTitleView?.visibility = View.VISIBLE
@@ -373,12 +435,8 @@ class GroupActivity : LockingActivity(),
             val addGroupEnabled = !mReadOnly && !mCurrentGroupIsASearch
             var addEntryEnabled = !mReadOnly && !mCurrentGroupIsASearch
             mCurrentGroup?.let {
-                val isRoot = it == mRootGroup
                 if (!it.allowAddEntryIfIsRoot())
-                    addEntryEnabled = !isRoot && addEntryEnabled
-                if (isRoot) {
-                    showWarnings()
-                }
+                    addEntryEnabled = it != mRootGroup && addEntryEnabled
             }
             enableAddGroup(addGroupEnabled)
             enableAddEntry(addEntryEnabled)
@@ -388,20 +446,31 @@ class GroupActivity : LockingActivity(),
         }
     }
 
+    private fun refreshNumberOfChildren() {
+        numberChildrenView?.apply {
+            if (PreferencesUtil.showNumberEntries(context)) {
+                text = mCurrentGroup?.getChildEntries(*Group.ChildFilter.getDefaults(context))?.size?.toString() ?: ""
+                visibility = View.VISIBLE
+            } else {
+                visibility = View.GONE
+            }
+        }
+    }
+
     override fun onScrolled(dy: Int) {
         addNodeButtonView?.hideButtonOnScrollListener(dy)
     }
 
-    override fun onNodeClick(node: NodeVersioned) {
+    override fun onNodeClick(node: Node) {
         when (node.type) {
             Type.GROUP -> try {
-                openChildGroup(node as GroupVersioned)
+                openChildGroup(node as Group)
             } catch (e: ClassCastException) {
                 Log.e(TAG, "Node can't be cast in Group")
             }
 
             Type.ENTRY -> try {
-                val entryVersioned = node as EntryVersioned
+                val entryVersioned = node as Entry
                 EntrySelectionHelper.doEntrySelectionAction(intent,
                         {
                             EntryActivity.launch(this@GroupActivity, entryVersioned, mReadOnly)
@@ -419,8 +488,10 @@ class GroupActivity : LockingActivity(),
                         {
                             // Build response with the entry selected
                             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && mDatabase != null) {
-                                AutofillHelper.buildResponseWhenEntrySelected(this@GroupActivity,
-                                        entryVersioned.getEntryInfo(mDatabase!!))
+                                mDatabase?.let { database ->
+                                    AutofillHelper.buildResponseWhenEntrySelected(this@GroupActivity,
+                                            entryVersioned.getEntryInfo(database))
+                                }
                             }
                             finish()
                         })
@@ -430,150 +501,134 @@ class GroupActivity : LockingActivity(),
         }
     }
 
-    override fun onOpenMenuClick(node: NodeVersioned): Boolean {
+    private var actionNodeMode: ActionMode? = null
+
+    private fun finishNodeAction() {
+        actionNodeMode?.finish()
+        actionNodeMode = null
+    }
+
+    override fun onNodeSelected(nodes: List<Node>): Boolean {
+        if (nodes.isNotEmpty()) {
+            if (actionNodeMode == null || toolbarAction?.getSupportActionModeCallback() == null) {
+                mListNodesFragment?.actionNodesCallback(nodes, this)?.let {
+                    actionNodeMode = toolbarAction?.startSupportActionMode(it)
+                }
+            } else {
+                actionNodeMode?.invalidate()
+            }
+        } else {
+            finishNodeAction()
+        }
+        return true
+    }
+
+    override fun onOpenMenuClick(node: Node): Boolean {
+        finishNodeAction()
         onNodeClick(node)
         return true
     }
 
-    override fun onEditMenuClick(node: NodeVersioned): Boolean {
+    override fun onEditMenuClick(node: Node): Boolean {
+        finishNodeAction()
         when (node.type) {
             Type.GROUP -> {
-                mOldGroupToUpdate = node as GroupVersioned
+                mOldGroupToUpdate = node as Group
                 GroupEditDialogFragment.build(mOldGroupToUpdate!!)
                         .show(supportFragmentManager,
                                 GroupEditDialogFragment.TAG_CREATE_GROUP)
             }
-            Type.ENTRY -> EntryEditActivity.launch(this@GroupActivity, node as EntryVersioned)
+            Type.ENTRY -> EntryEditActivity.launch(this@GroupActivity, node as Entry)
         }
         return true
     }
 
-    override fun onCopyMenuClick(node: NodeVersioned): Boolean {
-        toolbarPasteExpandableLayout?.expand()
-        mNodeToCopy = node
-        toolbarPaste?.setOnMenuItemClickListener(OnCopyMenuItemClickListener())
-        return false
-    }
+    override fun onCopyMenuClick(nodes: List<Node>): Boolean {
+        actionNodeMode?.invalidate()
 
-    private inner class OnCopyMenuItemClickListener : Toolbar.OnMenuItemClickListener {
-        override fun onMenuItemClick(item: MenuItem): Boolean {
-            toolbarPasteExpandableLayout?.collapse()
-
-            when (item.itemId) {
-                R.id.menu_paste -> {
-                    when (mNodeToCopy?.type) {
-                        Type.GROUP -> Log.e(TAG, "Copy not allowed for group")
-                        Type.ENTRY -> {
-                            mCurrentGroup?.let { currentGroup ->
-                                copyEntry(mNodeToCopy as EntryVersioned, currentGroup)
-                            }
-                        }
-                    }
-                    mNodeToCopy = null
-                    return true
-                }
-            }
-            return true
-        }
-    }
-
-    private fun copyEntry(entryToCopy: EntryVersioned, newParent: GroupVersioned) {
-        ProgressDialogSaveDatabaseThread(this) {
-            CopyEntryRunnable(this,
-                    Database.getInstance(),
-                    entryToCopy,
-                    newParent,
-                    AfterAddNodeRunnable(),
-                    !mReadOnly)
-        }.start()
-    }
-
-    override fun onMoveMenuClick(node: NodeVersioned): Boolean {
-        toolbarPasteExpandableLayout?.expand()
-        mNodeToMove = node
-        toolbarPaste?.setOnMenuItemClickListener(OnMoveMenuItemClickListener())
-        return false
-    }
-
-    private inner class OnMoveMenuItemClickListener : Toolbar.OnMenuItemClickListener {
-        override fun onMenuItemClick(item: MenuItem): Boolean {
-            toolbarPasteExpandableLayout?.collapse()
-
-            when (item.itemId) {
-                R.id.menu_paste -> {
-                    when (mNodeToMove?.type) {
-                        Type.GROUP -> {
-                            mCurrentGroup?.let { currentGroup ->
-                                moveGroup(mNodeToMove as GroupVersioned, currentGroup)
-                            }
-                        }
-                        Type.ENTRY -> {
-                            mCurrentGroup?.let { currentGroup ->
-                                moveEntry(mNodeToMove as EntryVersioned, currentGroup)
-                            }
-                        }
-                    }
-                    mNodeToMove = null
-                    return true
-                }
-            }
-            return true
-        }
-    }
-
-    private fun moveGroup(groupToMove: GroupVersioned, newParent: GroupVersioned) {
-        ProgressDialogSaveDatabaseThread(this) {
-            MoveGroupRunnable(
-                this,
-                    Database.getInstance(),
-                    groupToMove,
-                    newParent,
-                    AfterAddNodeRunnable(),
-                    !mReadOnly)
-        }.start()
-    }
-
-    private fun moveEntry(entryToMove: EntryVersioned, newParent: GroupVersioned) {
-        ProgressDialogSaveDatabaseThread(this) {
-            MoveEntryRunnable(
-                    this,
-                    Database.getInstance(),
-                    entryToMove,
-                    newParent,
-                    AfterAddNodeRunnable(),
-                    !mReadOnly)
-        }.start()
-    }
-
-    override fun onDeleteMenuClick(node: NodeVersioned): Boolean {
-        when (node.type) {
-            Type.GROUP -> deleteGroup(node as GroupVersioned)
-            Type.ENTRY -> deleteEntry(node as EntryVersioned)
-        }
+        // Nothing here fragment calls onPasteMenuClick internally
         return true
     }
 
-    private fun deleteGroup(group: GroupVersioned) {
-        //TODO Verify trash recycle bin
-        ProgressDialogSaveDatabaseThread(this) {
-            DeleteGroupRunnable(
-                    this,
-                    Database.getInstance(),
-                    group,
-                    AfterDeleteNodeRunnable(),
-                    !mReadOnly)
-        }.start()
+    override fun onMoveMenuClick(nodes: List<Node>): Boolean {
+        actionNodeMode?.invalidate()
+
+        // Nothing here fragment calls onPasteMenuClick internally
+        return true
     }
 
-    private fun deleteEntry(entry: EntryVersioned) {
-        ProgressDialogSaveDatabaseThread(this) {
-            DeleteEntryRunnable(
-                    this,
-                    Database.getInstance(),
-                    entry,
-                    AfterDeleteNodeRunnable(),
-                    !mReadOnly)
-        }.start()
+    override fun onPasteMenuClick(pasteMode: ListNodesFragment.PasteMode?,
+                                  nodes: List<Node>): Boolean {
+        // Move or copy only if allowed (in root if allowed)
+        if (mCurrentGroup != mDatabase?.rootGroup
+                || mDatabase?.rootCanContainsEntry() == true) {
+
+            when (pasteMode) {
+                ListNodesFragment.PasteMode.PASTE_FROM_COPY -> {
+                    // Copy
+                    mCurrentGroup?.let { newParent ->
+                        mProgressDialogThread?.startDatabaseCopyNodes(
+                                nodes,
+                                newParent,
+                                !mReadOnly && mAutoSaveEnable
+                        )
+                    }
+                }
+                ListNodesFragment.PasteMode.PASTE_FROM_MOVE -> {
+                    // Move
+                    mCurrentGroup?.let { newParent ->
+                        mProgressDialogThread?.startDatabaseMoveNodes(
+                                nodes,
+                                newParent,
+                                !mReadOnly && mAutoSaveEnable
+                        )
+                    }
+                }
+                else -> {
+                }
+            }
+        } else {
+            coordinatorLayout?.let { coordinatorLayout ->
+                Snackbar.make(coordinatorLayout,
+                        R.string.error_copy_entry_here,
+                        Snackbar.LENGTH_LONG).asError().show()
+            }
+        }
+        finishNodeAction()
+        return true
+    }
+
+    override fun onDeleteMenuClick(nodes: List<Node>): Boolean {
+        val database = mDatabase
+
+        // If recycle bin enabled, ensure it exists
+        if (database != null && database.isRecycleBinEnabled) {
+            database.ensureRecycleBinExists(resources)
+        }
+
+        // If recycle bin enabled and not in recycle bin, move in recycle bin
+        if (database != null
+                && database.isRecycleBinEnabled
+                && database.recycleBin != mCurrentGroup) {
+            mProgressDialogThread?.startDatabaseDeleteNodes(
+                    nodes,
+                    !mReadOnly && mAutoSaveEnable
+            )
+        }
+        // else open the dialog to confirm deletion
+        else {
+            DeleteNodesDialogFragment.getInstance(nodes)
+                    .show(supportFragmentManager, "deleteNodesDialogFragment")
+        }
+        finishNodeAction()
+        return true
+    }
+
+    override fun permanentlyDeleteNodes(nodes: List<Node>) {
+        mProgressDialogThread?.startDatabaseDeleteNodes(
+                nodes,
+                !mReadOnly && mAutoSaveEnable
+        )
     }
 
     override fun onResume() {
@@ -584,16 +639,32 @@ class GroupActivity : LockingActivity(),
         mSearchSuggestionAdapter?.reInit(this)
     }
 
+    override fun onPause() {
+        super.onPause()
+
+        finishNodeAction()
+    }
+
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
 
         val inflater = menuInflater
         inflater.inflate(R.menu.search, menu)
-        inflater.inflate(R.menu.database_lock, menu)
+        inflater.inflate(R.menu.database, menu)
+        if (mReadOnly) {
+            menu.findItem(R.id.menu_save_database)?.isVisible = false
+        }
         if (!mSelectionMode) {
             inflater.inflate(R.menu.default_menu, menu)
             MenuUtil.contributionMenuInflater(inflater, menu)
         }
 
+        // Menu for recycle bin
+        if (!mReadOnly
+                && mDatabase?.isRecycleBinEnabled == true
+                && mDatabase?.recycleBin == mCurrentGroup) {
+            inflater.inflate(R.menu.recycle_bin, menu)
+        }
+
         // Get the SearchView and set the searchable configuration
         val searchManager = getSystemService(Context.SEARCH_SERVICE) as SearchManager
 
@@ -702,6 +773,17 @@ class GroupActivity : LockingActivity(),
                 lockAndExit()
                 return true
             }
+            R.id.menu_save_database -> {
+                mProgressDialogThread?.startDatabaseSave(!mReadOnly)
+                return true
+            }
+            R.id.menu_empty_recycle_bin -> {
+                mCurrentGroup?.getChildren()?.let { listChildren ->
+                    // Automatically delete all elements
+                    onDeleteMenuClick(listChildren)
+                }
+                return true
+            }
             else -> {
                 // Check the time lock before launching settings
                 MenuUtil.onDefaultMenuOptionsItemSelected(this, item, mReadOnly, true)
@@ -712,8 +794,7 @@ class GroupActivity : LockingActivity(),
 
     override fun approveEditGroup(action: GroupEditDialogFragment.EditGroupDialogAction?,
                                   name: String?,
-                                  icon: PwIcon?) {
-        val database = Database.getInstance()
+                                  icon: IconImage?) {
 
         if (name != null && name.isNotEmpty() && icon != null) {
             when (action) {
@@ -721,111 +802,49 @@ class GroupActivity : LockingActivity(),
                     // If group creation
                     mCurrentGroup?.let { currentGroup ->
                         // Build the group
-                        database.createGroup()?.let { newGroup ->
+                        mDatabase?.createGroup()?.let { newGroup ->
                             newGroup.title = name
                             newGroup.icon = icon
                             // Not really needed here because added in runnable but safe
                             newGroup.parent = currentGroup
 
-                            // If group created save it in the database
-                            ProgressDialogSaveDatabaseThread(this) {
-                                AddGroupRunnable(this,
-                                        Database.getInstance(),
-                                        newGroup,
-                                        currentGroup,
-                                        AfterAddNodeRunnable(),
-                                        !mReadOnly)
-                            }.start()
+                            mProgressDialogThread?.startDatabaseCreateGroup(
+                                    newGroup,
+                                    currentGroup,
+                                    !mReadOnly && mAutoSaveEnable
+                            )
                         }
                     }
                 }
-                GroupEditDialogFragment.EditGroupDialogAction.UPDATE ->
+                GroupEditDialogFragment.EditGroupDialogAction.UPDATE -> {
                     // If update add new elements
                     mOldGroupToUpdate?.let { oldGroupToUpdate ->
-                        GroupVersioned(oldGroupToUpdate).let { updateGroup ->
-                            updateGroup.title = name
-                            // TODO custom icon
-                            updateGroup.icon = icon
+                        val updateGroup = Group(oldGroupToUpdate).let { updateGroup ->
+                            updateGroup.apply {
+                                // WARNING remove parent and children to keep memory
+                                removeParent()
+                                removeChildren()
 
-                            mListNodesFragment?.removeNode(oldGroupToUpdate)
-
-                            // If group updated save it in the database
-                            ProgressDialogSaveDatabaseThread(this) {
-                                UpdateGroupRunnable(this,
-                                        Database.getInstance(),
-                                        oldGroupToUpdate,
-                                        updateGroup,
-                                        AfterUpdateNodeRunnable(),
-                                        !mReadOnly)
-                            }.start()
-                        }
-                    }
-                else -> {
-                }
-            }
-        }
-    }
-
-    internal inner class AfterAddNodeRunnable : AfterActionNodeFinishRunnable() {
-        override fun onActionNodeFinish(actionNodeValues: ActionNodeValues) {
-            runOnUiThread {
-                if (actionNodeValues.result.isSuccess) {
-                    if (actionNodeValues.newNode != null)
-                        mListNodesFragment?.addNode(actionNodeValues.newNode)
-                }
-            }
-        }
-    }
-
-    internal inner class AfterUpdateNodeRunnable : AfterActionNodeFinishRunnable() {
-        override fun onActionNodeFinish(actionNodeValues: ActionNodeValues) {
-            runOnUiThread {
-                if (actionNodeValues.result.isSuccess) {
-                    if (actionNodeValues.oldNode!= null && actionNodeValues.newNode != null)
-                        mListNodesFragment?.updateNode(actionNodeValues.oldNode, actionNodeValues.newNode)
-                }
-            }
-        }
-    }
-
-    internal inner class AfterDeleteNodeRunnable : AfterActionNodeFinishRunnable() {
-        override fun onActionNodeFinish(actionNodeValues: ActionNodeValues) {
-            runOnUiThread {
-                if (actionNodeValues.result.isSuccess) {
-
-                    // If the action register the position, use it to remove the entry view
-                    val positionNode = actionNodeValues.result.data?.getInt(NODE_POSITION_FOR_ACTION_NATURAL_ORDER_KEY)
-                    if (PreferencesUtil.getListSort(this@GroupActivity) == SortNodeEnum.DB
-                            && positionNode != null) {
-                        mListNodesFragment?.removeNodeAt(positionNode)
-                    } else {
-                        // else use the old Node that was the entry unchanged with the old parent
-                        actionNodeValues.oldNode?.let { oldNode ->
-                            mListNodesFragment?.removeNode(oldNode)
-                        }
-                    }
-
-                    // Add trash in views list if it doesn't exists
-                    val database = Database.getInstance()
-                    if (database.isRecycleBinEnabled) {
-                        val recycleBin = database.recycleBin
-                        if (mCurrentGroup != null && recycleBin != null
-                                && mCurrentGroup!!.parent == null
-                                && mCurrentGroup != recycleBin) {
-                            if (mListNodesFragment?.contains(recycleBin) == true)
-                                mListNodesFragment?.updateNode(recycleBin)
-                            else
-                                mListNodesFragment?.addNode(recycleBin)
+                                title = name
+                                this.icon = icon // TODO custom icon
+                            }
                         }
+                        // If group updated save it in the database
+                        mProgressDialogThread?.startDatabaseUpdateGroup(
+                                oldGroupToUpdate,
+                                updateGroup,
+                                !mReadOnly && mAutoSaveEnable
+                        )
                     }
                 }
+                else -> {}
             }
         }
     }
 
     override fun cancelEditGroup(action: GroupEditDialogFragment.EditGroupDialogAction?,
                                  name: String?,
-                                 icon: PwIcon?) {
+                                 icon: IconImage?) {
         // Do nothing here
     }
 
@@ -836,14 +855,6 @@ class GroupActivity : LockingActivity(),
                 .iconPicked(bundle)
     }
 
-    private fun showWarnings() {
-        if (Database.getInstance().isReadOnly) {
-            if (PreferencesUtil.showReadOnlyWarning(this)) {
-                ReadOnlyDialog().show(supportFragmentManager, "readOnlyDialog")
-            }
-        }
-    }
-
     override fun onSortSelected(sortNodeEnum: SortNodeEnum, ascending: Boolean, groupsBefore: Boolean, recycleBinBottom: Boolean) {
         mListNodesFragment?.onSortSelected(sortNodeEnum, ascending, groupsBefore, recycleBinBottom)
     }
@@ -902,25 +913,29 @@ class GroupActivity : LockingActivity(),
     }
 
     override fun onBackPressed() {
-        // Normal way when we are not in root
-        if (mRootGroup != null && mRootGroup != mCurrentGroup)
-            super.onBackPressed()
-        // Else lock if needed
-        else {
-            if (PreferencesUtil.isLockDatabaseWhenBackButtonOnRootClicked(this)) {
-                lockAndExit()
+        if (mListNodesFragment?.nodeActionSelectionMode == true) {
+            finishNodeAction()
+        } else {
+            // Normal way when we are not in root
+            if (mRootGroup != null && mRootGroup != mCurrentGroup)
                 super.onBackPressed()
-            } else {
-                moveTaskToBack(true)
+            // Else lock if needed
+            else {
+                if (PreferencesUtil.isLockDatabaseWhenBackButtonOnRootClicked(this)) {
+                    lockAndExit()
+                    super.onBackPressed()
+                } else {
+                    moveTaskToBack(true)
+                }
             }
-        }
 
-        mListNodesFragment = supportFragmentManager.findFragmentByTag(LIST_NODES_FRAGMENT_TAG) as ListNodesFragment
-        // to refresh fragment
-        mListNodesFragment?.rebuildList()
-        mCurrentGroup = mListNodesFragment?.mainGroup
-        removeSearchInIntent(intent)
-        assignGroupViewElements()
+            mListNodesFragment = supportFragmentManager.findFragmentByTag(LIST_NODES_FRAGMENT_TAG) as ListNodesFragment
+            // to refresh fragment
+            mListNodesFragment?.rebuildList()
+            mCurrentGroup = mListNodesFragment?.mainGroup
+            removeSearchInIntent(intent)
+            assignGroupViewElements()
+        }
     }
 
     companion object {
@@ -931,13 +946,15 @@ class GroupActivity : LockingActivity(),
         private const val LIST_NODES_FRAGMENT_TAG = "LIST_NODES_FRAGMENT_TAG"
         private const val SEARCH_FRAGMENT_TAG = "SEARCH_FRAGMENT_TAG"
         private const val OLD_GROUP_TO_UPDATE_KEY = "OLD_GROUP_TO_UPDATE_KEY"
-        private const val NODE_TO_COPY_KEY = "NODE_TO_COPY_KEY"
-        private const val NODE_TO_MOVE_KEY = "NODE_TO_MOVE_KEY"
 
-        private fun buildAndLaunchIntent(activity: Activity, group: GroupVersioned?, readOnly: Boolean,
+        private fun buildAndLaunchIntent(context: Context, group: Group?, readOnly: Boolean,
                                          intentBuildLauncher: (Intent) -> Unit) {
-            if (TimeoutHelper.checkTimeAndLockIfTimeout(activity)) {
-                val intent = Intent(activity, GroupActivity::class.java)
+            val checkTime = if (context is Activity)
+                TimeoutHelper.checkTimeAndLockIfTimeout(context)
+            else
+                TimeoutHelper.checkTime(context)
+            if (checkTime) {
+                val intent = Intent(context, GroupActivity::class.java)
                 if (group != null) {
                     intent.putExtra(GROUP_ID_KEY, group.nodeId)
                 }
@@ -953,10 +970,10 @@ class GroupActivity : LockingActivity(),
          */
 
         @JvmOverloads
-        fun launch(activity: Activity, readOnly: Boolean = PreferencesUtil.enableReadOnlyDatabase(activity)) {
-            TimeoutHelper.recordTime(activity)
-            buildAndLaunchIntent(activity, null, readOnly) { intent ->
-                activity.startActivity(intent)
+        fun launch(context: Context, readOnly: Boolean = PreferencesUtil.enableReadOnlyDatabase(context)) {
+            TimeoutHelper.recordTime(context)
+            buildAndLaunchIntent(context, null, readOnly) { intent ->
+                context.startActivity(intent)
             }
         }
 
@@ -967,10 +984,10 @@ class GroupActivity : LockingActivity(),
          */
         // TODO implement pre search to directly open the direct group
 
-        fun launchForKeyboarSelection(activity: Activity, readOnly: Boolean) {
-            TimeoutHelper.recordTime(activity)
-            buildAndLaunchIntent(activity, null, readOnly) { intent ->
-                EntrySelectionHelper.startActivityForEntrySelection(activity, intent)
+        fun launchForKeyboardSelection(context: Context, readOnly: Boolean) {
+            TimeoutHelper.recordTime(context)
+            buildAndLaunchIntent(context, null, readOnly) { intent ->
+                EntrySelectionHelper.startActivityForEntrySelection(context, intent)
             }
         }
 

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

@@ -1,3 +1,22 @@
+/*
+ * 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
@@ -14,30 +33,39 @@ import android.view.MenuInflater
 import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
+import androidx.appcompat.view.ActionMode
 
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.adapters.NodeAdapter
-import com.kunzisoft.keepass.database.SortNodeEnum
-import com.kunzisoft.keepass.database.element.GroupVersioned
-import com.kunzisoft.keepass.database.element.NodeVersioned
+import com.kunzisoft.keepass.database.element.SortNodeEnum
+import com.kunzisoft.keepass.database.element.Group
+import com.kunzisoft.keepass.database.element.node.Node
 import com.kunzisoft.keepass.activities.dialogs.SortDialogFragment
 import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
 import com.kunzisoft.keepass.settings.PreferencesUtil
 import com.kunzisoft.keepass.activities.stylish.StylishFragment
 import com.kunzisoft.keepass.activities.helpers.ReadOnlyHelper
 import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.database.element.node.Type
+import java.util.*
 
 class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionListener {
 
-    private var nodeClickCallback: NodeAdapter.NodeClickCallback? = null
-    private var nodeMenuListener: NodeAdapter.NodeMenuListener? = null
+    private var nodeClickListener: NodeClickListener? = null
     private var onScrollListener: OnScrollListener? = null
 
     private var listView: RecyclerView? = null
-    var mainGroup: GroupVersioned? = null
+    var mainGroup: Group? = null
         private set
     private var mAdapter: NodeAdapter? = null
 
+    var nodeActionSelectionMode = false
+        private set
+    var nodeActionPasteMode: PasteMode = PasteMode.UNDEFINED
+        private set
+    private val listActionNodes = LinkedList<Node>()
+    private val listPasteNodes = LinkedList<Node>()
+
     private var notFoundView: View? = null
     private var isASearchResult: Boolean = false
 
@@ -56,22 +84,13 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
     override fun onAttach(context: Context) {
         super.onAttach(context)
         try {
-            nodeClickCallback = context as NodeAdapter.NodeClickCallback
+            nodeClickListener = context as NodeClickListener
         } catch (e: ClassCastException) {
             // The activity doesn't implement the interface, throw exception
             throw ClassCastException(context.toString()
                     + " must implement " + NodeAdapter.NodeClickCallback::class.java.name)
         }
 
-        try {
-            nodeMenuListener = context as NodeAdapter.NodeMenuListener
-        } catch (e: ClassCastException) {
-            nodeMenuListener = null
-            // Context menu can be omit
-            Log.w(TAG, context.toString()
-                    + " must implement " + NodeAdapter.NodeMenuListener::class.java.name)
-        }
-
         try {
             onScrollListener = context as OnScrollListener
         } catch (e: ClassCastException) {
@@ -85,33 +104,58 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        activity?.let { currentActivity ->
-            setHasOptionsMenu(true)
+        setHasOptionsMenu(true)
 
-            readOnly = ReadOnlyHelper.retrieveReadOnlyFromInstanceStateOrArguments(savedInstanceState, arguments)
+        readOnly = ReadOnlyHelper.retrieveReadOnlyFromInstanceStateOrArguments(savedInstanceState, arguments)
 
-            arguments?.let { args ->
-                // Contains all the group in element
-                if (args.containsKey(GROUP_KEY)) {
-                    mainGroup = args.getParcelable(GROUP_KEY)
-                }
-                if (args.containsKey(IS_SEARCH)) {
-                    isASearchResult = args.getBoolean(IS_SEARCH)
-                }
+        arguments?.let { args ->
+            // Contains all the group in element
+            if (args.containsKey(GROUP_KEY)) {
+                mainGroup = args.getParcelable(GROUP_KEY)
             }
-
-            contextThemed?.let { context ->
-                mAdapter = NodeAdapter(context, currentActivity.menuInflater)
-                mAdapter?.apply {
-                    setReadOnly(readOnly)
-                    setIsASearchResult(isASearchResult)
-                    setOnNodeClickListener(nodeClickCallback)
-                    setActivateContextMenu(true)
-                    setNodeMenuListener(nodeMenuListener)
-                }
+            if (args.containsKey(IS_SEARCH)) {
+                isASearchResult = args.getBoolean(IS_SEARCH)
             }
-            prefs = PreferenceManager.getDefaultSharedPreferences(context)
         }
+
+        contextThemed?.let { context ->
+            mAdapter = NodeAdapter(context)
+            mAdapter?.apply {
+                setOnNodeClickListener(object : NodeAdapter.NodeClickCallback {
+                    override fun onNodeClick(node: Node) {
+                        if (nodeActionSelectionMode) {
+                            if (listActionNodes.contains(node)) {
+                                // Remove selected item if already selected
+                                listActionNodes.remove(node)
+                            } else {
+                                // Add selected item if not already selected
+                                listActionNodes.add(node)
+                            }
+                            nodeClickListener?.onNodeSelected(listActionNodes)
+                            setActionNodes(listActionNodes)
+                            notifyNodeChanged(node)
+                        } else {
+                            nodeClickListener?.onNodeClick(node)
+                        }
+                    }
+
+                    override fun onNodeLongClick(node: Node): Boolean {
+                        if (nodeActionPasteMode == PasteMode.UNDEFINED) {
+                            // Select the first item after a long click
+                            if (!listActionNodes.contains(node))
+                                listActionNodes.add(node)
+
+                            nodeClickListener?.onNodeSelected(listActionNodes)
+
+                            setActionNodes(listActionNodes)
+                            notifyNodeChanged(node)
+                        }
+                        return true
+                    }
+                })
+            }
+        }
+        prefs = PreferenceManager.getDefaultSharedPreferences(context)
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
@@ -148,10 +192,6 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
         activity?.intent?.let {
             selectionMode = EntrySelectionHelper.retrieveEntrySelectionModeFromIntent(it)
         }
-        // Force read only mode if selection mode
-        mAdapter?.apply {
-            setReadOnly(readOnly)
-        }
 
         // Refresh data
         mAdapter?.notifyDataSetChanged()
@@ -207,8 +247,7 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
             R.id.menu_sort -> {
                 context?.let { context ->
                     val sortDialogFragment: SortDialogFragment =
-                            if (Database.getInstance().isRecycleBinAvailable
-                                    && Database.getInstance().isRecycleBinEnabled) {
+                            if (Database.getInstance().isRecycleBinEnabled) {
                                 SortDialogFragment.getInstance(
                                         PreferencesUtil.getListSort(context),
                                         PreferencesUtil.getAscendingSort(context),
@@ -230,6 +269,103 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
         }
     }
 
+    fun actionNodesCallback(nodes: List<Node>,
+                            menuListener: NodesActionMenuListener?) : ActionMode.Callback {
+
+        return object : ActionMode.Callback {
+
+            override fun onCreateActionMode(mode: ActionMode?, menu: Menu?): Boolean {
+                nodeActionSelectionMode = false
+                nodeActionPasteMode = PasteMode.UNDEFINED
+                return true
+            }
+
+            override fun onPrepareActionMode(mode: ActionMode?, menu: Menu?): Boolean {
+                menu?.clear()
+
+                if (nodeActionPasteMode != PasteMode.UNDEFINED) {
+                    mode?.menuInflater?.inflate(R.menu.node_paste_menu, menu)
+                } else {
+                    nodeActionSelectionMode = true
+                    mode?.menuInflater?.inflate(R.menu.node_menu, menu)
+
+                    val database = Database.getInstance()
+
+                    // Open and Edit for a single item
+                    if (nodes.size == 1) {
+                        // Edition
+                        if (readOnly
+                                || (database.isRecycleBinEnabled && nodes[0] == database.recycleBin)) {
+                            menu?.removeItem(R.id.menu_edit)
+                        }
+                    } else {
+                        menu?.removeItem(R.id.menu_open)
+                        menu?.removeItem(R.id.menu_edit)
+                    }
+
+                    // Copy and Move (not for groups)
+                    if (readOnly
+                            || isASearchResult
+                            || nodes.any { it.type == Type.GROUP }) {
+                        // TODO COPY For Group
+                        menu?.removeItem(R.id.menu_copy)
+                        menu?.removeItem(R.id.menu_move)
+                    }
+
+                    // Deletion
+                    if (readOnly
+                            || (database.isRecycleBinEnabled && nodes.any { it == database.recycleBin })) {
+                        menu?.removeItem(R.id.menu_delete)
+                    }
+                }
+
+                // Add the number of items selected in title
+                mode?.title = nodes.size.toString()
+
+                return true
+            }
+
+            override fun onActionItemClicked(mode: ActionMode?, item: MenuItem?): Boolean {
+                if (menuListener == null)
+                    return false
+                return when (item?.itemId) {
+                    R.id.menu_open -> menuListener.onOpenMenuClick(nodes[0])
+                    R.id.menu_edit -> menuListener.onEditMenuClick(nodes[0])
+                    R.id.menu_copy -> {
+                        nodeActionPasteMode = PasteMode.PASTE_FROM_COPY
+                        mAdapter?.unselectActionNodes()
+                        val returnValue = menuListener.onCopyMenuClick(nodes)
+                        nodeActionSelectionMode = false
+                        returnValue
+                    }
+                    R.id.menu_move -> {
+                        nodeActionPasteMode = PasteMode.PASTE_FROM_MOVE
+                        mAdapter?.unselectActionNodes()
+                        val returnValue = menuListener.onMoveMenuClick(nodes)
+                        nodeActionSelectionMode = false
+                        returnValue
+                    }
+                    R.id.menu_delete -> menuListener.onDeleteMenuClick(nodes)
+                    R.id.menu_paste -> {
+                        val returnValue = menuListener.onPasteMenuClick(nodeActionPasteMode, nodes)
+                        nodeActionPasteMode = PasteMode.UNDEFINED
+                        nodeActionSelectionMode = false
+                        returnValue
+                    }
+                    else -> false
+                }
+            }
+
+            override fun onDestroyActionMode(mode: ActionMode?) {
+                listActionNodes.clear()
+                listPasteNodes.clear()
+                mAdapter?.unselectActionNodes()
+                nodeActionPasteMode = PasteMode.UNDEFINED
+                nodeActionSelectionMode = false
+            }
+        }
+    }
+
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
 
@@ -237,7 +373,7 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
             EntryEditActivity.ADD_OR_UPDATE_ENTRY_REQUEST_CODE -> {
                 if (resultCode == EntryEditActivity.ADD_ENTRY_RESULT_CODE
                         || resultCode == EntryEditActivity.UPDATE_ENTRY_RESULT_CODE) {
-                    data?.getParcelableExtra<NodeVersioned>(EntryEditActivity.ADD_OR_UPDATE_ENTRY_KEY)?.let { newNode ->
+                    data?.getParcelableExtra<Node>(EntryEditActivity.ADD_OR_UPDATE_ENTRY_KEY)?.let { newNode ->
                         if (resultCode == EntryEditActivity.ADD_ENTRY_RESULT_CODE)
                             mAdapter?.addNode(newNode)
                         if (resultCode == EntryEditActivity.UPDATE_ENTRY_RESULT_CODE) {
@@ -252,26 +388,66 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
         }
     }
 
-    fun contains(node: NodeVersioned): Boolean {
+    fun contains(node: Node): Boolean {
         return mAdapter?.contains(node) ?: false
     }
 
-    fun addNode(newNode: NodeVersioned) {
+    fun addNode(newNode: Node) {
         mAdapter?.addNode(newNode)
     }
 
-    fun updateNode(oldNode: NodeVersioned, newNode: NodeVersioned? = null) {
+    fun addNodes(newNodes: List<Node>) {
+        mAdapter?.addNodes(newNodes)
+    }
+
+    fun updateNode(oldNode: Node, newNode: Node? = null) {
         mAdapter?.updateNode(oldNode, newNode ?: oldNode)
     }
 
-    fun removeNode(pwNode: NodeVersioned) {
+    fun updateNodes(oldNodes: List<Node>, newNodes: List<Node>) {
+        mAdapter?.updateNodes(oldNodes, newNodes)
+    }
+
+    fun removeNode(pwNode: Node) {
         mAdapter?.removeNode(pwNode)
     }
 
+    fun removeNodes(nodes: List<Node>) {
+        mAdapter?.removeNodes(nodes)
+    }
+
     fun removeNodeAt(position: Int) {
         mAdapter?.removeNodeAt(position)
     }
 
+    fun removeNodesAt(positions: IntArray) {
+        mAdapter?.removeNodesAt(positions)
+    }
+
+    /**
+     * Callback listener to redefine to do an action when a node is click
+     */
+    interface NodeClickListener {
+        fun onNodeClick(node: Node)
+        fun onNodeSelected(nodes: List<Node>): Boolean
+    }
+
+    /**
+     * Menu listener to redefine to do an action in menu
+     */
+    interface NodesActionMenuListener {
+        fun onOpenMenuClick(node: Node): Boolean
+        fun onEditMenuClick(node: Node): Boolean
+        fun onCopyMenuClick(nodes: List<Node>): Boolean
+        fun onMoveMenuClick(nodes: List<Node>): Boolean
+        fun onDeleteMenuClick(nodes: List<Node>): Boolean
+        fun onPasteMenuClick(pasteMode: PasteMode?, nodes: List<Node>): Boolean
+    }
+
+    enum class PasteMode {
+        UNDEFINED, PASTE_FROM_COPY, PASTE_FROM_MOVE
+    }
+
     interface OnScrollListener {
 
         /**
@@ -290,7 +466,7 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
         private const val GROUP_KEY = "GROUP_KEY"
         private const val IS_SEARCH = "IS_SEARCH"
 
-        fun newInstance(group: GroupVersioned?, readOnly: Boolean, isASearch: Boolean): ListNodesFragment {
+        fun newInstance(group: Group?, readOnly: Boolean, isASearch: Boolean): ListNodesFragment {
             val bundle = Bundle()
             if (group != null) {
                 bundle.putParcelable(GROUP_KEY, group)

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *     
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities
@@ -22,17 +22,14 @@ package com.kunzisoft.keepass.activities
 import android.app.Activity
 import android.app.assist.AssistStructure
 import android.app.backup.BackupManager
-import android.content.DialogInterface
 import android.content.Intent
 import android.content.SharedPreferences
+import android.content.pm.PackageManager
 import android.net.Uri
 import android.os.Build
 import android.os.Bundle
 import android.os.Handler
 import android.preference.PreferenceManager
-import androidx.annotation.RequiresApi
-import com.google.android.material.snackbar.Snackbar
-import androidx.appcompat.widget.Toolbar
 import android.text.Editable
 import android.text.TextWatcher
 import android.util.Log
@@ -42,40 +39,47 @@ import android.view.MenuItem
 import android.view.View
 import android.view.inputmethod.EditorInfo.IME_ACTION_DONE
 import android.widget.*
+import androidx.annotation.RequiresApi
+import androidx.appcompat.widget.Toolbar
 import androidx.biometric.BiometricManager
+import androidx.core.app.ActivityCompat
+import com.google.android.material.snackbar.Snackbar
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.activities.dialogs.FingerPrintExplanationDialog
-import com.kunzisoft.keepass.activities.dialogs.PasswordEncodingDialogFragment
+import com.kunzisoft.keepass.activities.dialogs.DuplicateUuidDialog
 import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
 import com.kunzisoft.keepass.activities.helpers.OpenFileHelper
 import com.kunzisoft.keepass.activities.helpers.ReadOnlyHelper
 import com.kunzisoft.keepass.activities.lock.LockingActivity
 import com.kunzisoft.keepass.activities.stylish.StylishActivity
-import com.kunzisoft.keepass.app.database.CipherDatabaseAction
 import com.kunzisoft.keepass.app.database.CipherDatabaseEntity
-import com.kunzisoft.keepass.utils.FileDatabaseInfo
 import com.kunzisoft.keepass.app.database.FileDatabaseHistoryAction
 import com.kunzisoft.keepass.autofill.AutofillHelper
-import com.kunzisoft.keepass.database.action.LoadDatabaseRunnable
+import com.kunzisoft.keepass.biometric.AdvancedUnlockedManager
 import com.kunzisoft.keepass.database.action.ProgressDialogThread
 import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.database.exception.DuplicateUuidDatabaseException
 import com.kunzisoft.keepass.education.PasswordActivityEducation
-import com.kunzisoft.keepass.biometric.AdvancedUnlockedManager
+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.MASTER_PASSWORD_KEY
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.READ_ONLY_KEY
 import com.kunzisoft.keepass.settings.PreferencesUtil
-import com.kunzisoft.keepass.tasks.ActionRunnable
+import com.kunzisoft.keepass.utils.FileDatabaseInfo
 import com.kunzisoft.keepass.utils.MenuUtil
 import com.kunzisoft.keepass.utils.UriUtil
 import com.kunzisoft.keepass.view.AdvancedUnlockInfoView
 import com.kunzisoft.keepass.view.asError
 import kotlinx.android.synthetic.main.activity_password.*
 import java.io.FileNotFoundException
-import java.lang.ref.WeakReference
 
 class PasswordActivity : StylishActivity() {
 
     // Views
     private var toolbar: Toolbar? = null
 
+    private var containerView: View? = null
     private var filenameView: TextView? = null
     private var passwordView: EditText? = null
     private var keyFileView: EditText? = null
@@ -87,13 +91,18 @@ class PasswordActivity : StylishActivity() {
     private var enableButtonOnCheckedChangeListener: CompoundButton.OnCheckedChangeListener? = null
 
     private var mDatabaseFileUri: Uri? = null
+    private var mDatabaseKeyFileUri: Uri? = null
+
     private var prefs: SharedPreferences? = null
 
     private var mRememberKeyFile: Boolean = false
     private var mOpenFileHelper: OpenFileHelper? = null
 
+    private var mPermissionAsked = false
     private var readOnly: Boolean = false
 
+    private var mProgressDialogThread: ProgressDialogThread? = null
+
     private var advancedUnlockedManager: AdvancedUnlockedManager? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -101,8 +110,7 @@ class PasswordActivity : StylishActivity() {
 
         prefs = PreferenceManager.getDefaultSharedPreferences(this)
 
-        mRememberKeyFile = prefs!!.getBoolean(getString(R.string.keyfile_key),
-                resources.getBoolean(R.bool.keyfile_default))
+        mRememberKeyFile = PreferencesUtil.rememberKeyFiles(this)
 
         setContentView(R.layout.activity_password)
 
@@ -112,6 +120,7 @@ class PasswordActivity : StylishActivity() {
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
         supportActionBar?.setDisplayShowHomeEnabled(true)
 
+        containerView = findViewById(R.id.container)
         confirmButtonView = findViewById(R.id.pass_ok)
         filenameView = findViewById(R.id.filename)
         passwordView = findViewById(R.id.password)
@@ -119,11 +128,12 @@ class PasswordActivity : StylishActivity() {
         checkboxPasswordView = findViewById(R.id.password_checkbox)
         checkboxKeyFileView = findViewById(R.id.keyfile_checkox)
         checkboxDefaultDatabaseView = findViewById(R.id.default_database)
-        advancedUnlockInfoView = findViewById(R.id.fingerprint_info)
+        advancedUnlockInfoView = findViewById(R.id.biometric_info)
 
+        mPermissionAsked = savedInstanceState?.getBoolean(KEY_PERMISSION_ASKED) ?: mPermissionAsked
         readOnly = ReadOnlyHelper.retrieveReadOnlyFromInstanceStateOrPreference(this, savedInstanceState)
 
-        val browseView = findViewById<View>(R.id.browse_button)
+        val browseView = findViewById<View>(R.id.open_database_button)
         mOpenFileHelper = OpenFileHelper(this@PasswordActivity)
         browseView.setOnClickListener(mOpenFileHelper!!.openFileOnClickViewListener)
 
@@ -153,6 +163,93 @@ class PasswordActivity : StylishActivity() {
         enableButtonOnCheckedChangeListener = CompoundButton.OnCheckedChangeListener { _, _ ->
             enableOrNotTheConfirmationButton()
         }
+
+        mProgressDialogThread = ProgressDialogThread(this).apply {
+            onActionFinish = { actionTask, result ->
+                when (actionTask) {
+                    ACTION_DATABASE_LOAD_TASK -> {
+                        // Recheck biometric if error
+                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                            if (PreferencesUtil.isBiometricUnlockEnable(this@PasswordActivity)) {
+                                // Stay with the same mode and init it
+                                advancedUnlockedManager?.initBiometricMode()
+                            }
+                        }
+
+                        // Remove the password in view in all cases
+                        removePassword()
+
+                        if (result.isSuccess) {
+                            launchGroupActivity()
+                        } else {
+                            var resultError = ""
+                            val resultException = result.exception
+                            val resultMessage = result.message
+
+                            if (resultException != null) {
+                                resultError = resultException.getLocalizedMessage(resources)
+
+                                // Relaunch loading if we need to fix UUID
+                                if (resultException is DuplicateUuidDatabaseException) {
+                                    showLoadDatabaseDuplicateUuidMessage {
+
+                                        var databaseUri: Uri? = null
+                                        var masterPassword: String? = null
+                                        var keyFileUri: Uri? = null
+                                        var readOnly = true
+                                        var cipherEntity: CipherDatabaseEntity? = null
+
+                                        result.data?.let { resultData ->
+                                            databaseUri = resultData.getParcelable(DATABASE_URI_KEY)
+                                            masterPassword = resultData.getString(MASTER_PASSWORD_KEY)
+                                            keyFileUri = resultData.getParcelable(KEY_FILE_KEY)
+                                            readOnly = resultData.getBoolean(READ_ONLY_KEY)
+                                            cipherEntity = resultData.getParcelable(CIPHER_ENTITY_KEY)
+                                        }
+
+                                        databaseUri?.let { databaseFileUri ->
+                                            showProgressDialogAndLoadDatabase(
+                                                    databaseFileUri,
+                                                    masterPassword,
+                                                    keyFileUri,
+                                                    readOnly,
+                                                    cipherEntity,
+                                                    true)
+                                        }
+                                    }
+                                }
+                            }
+
+                            // Show error message
+                            if (resultMessage != null && resultMessage.isNotEmpty()) {
+                                resultError = "$resultError $resultMessage"
+                            }
+                            Log.e(TAG, resultError, resultException)
+                            Snackbar.make(activity_password_coordinator_layout,
+                                    resultError,
+                                    Snackbar.LENGTH_LONG).asError().show()
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    private fun launchGroupActivity() {
+        EntrySelectionHelper.doEntrySelectionAction(intent,
+                {
+                    GroupActivity.launch(this@PasswordActivity, readOnly)
+                },
+                {
+                    GroupActivity.launchForKeyboardSelection(this@PasswordActivity, readOnly)
+                    // Do not keep history
+                    finish()
+                },
+                { assistStructure ->
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                        GroupActivity.launchForAutofillResult(this@PasswordActivity, assistStructure, readOnly)
+                    }
+                })
     }
 
     private val onEditorActionListener = object : TextView.OnEditorActionListener {
@@ -166,6 +263,9 @@ class PasswordActivity : StylishActivity() {
     }
 
     override fun onResume() {
+        if (Database.getInstance().loaded)
+            launchGroupActivity()
+
         // If the database isn't accessible make sure to clear the password field, if it
         // was saved in the instance state
         if (Database.getInstance().loaded) {
@@ -175,10 +275,13 @@ class PasswordActivity : StylishActivity() {
         // For check shutdown
         super.onResume()
 
+        mProgressDialogThread?.registerProgressTask()
+
         initUriFromIntent()
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
+        outState.putBoolean(KEY_PERMISSION_ASKED, mPermissionAsked)
         ReadOnlyHelper.onSaveInstanceState(outState, readOnly)
         super.onSaveInstanceState(outState)
     }
@@ -190,17 +293,10 @@ class PasswordActivity : StylishActivity() {
 
         // If is a view intent
         val action = intent.action
-        if (action != null && action == VIEW_INTENT) {
-
-            val databaseUriRetrieve = intent.data
-            // Stop activity here if we can't verify database URI
-            if (!UriUtil.verifyFileUri(databaseUriRetrieve)) {
-                Log.e(TAG, "File URI not validate")
-                finish()
-            }
-            databaseUri = databaseUriRetrieve
+        if (action != null
+                && action == VIEW_INTENT) {
+            databaseUri = intent.data
             keyFileUri = UriUtil.getUriFromIntent(intent, KEY_KEYFILE)
-
         } else {
             databaseUri = intent.getParcelableExtra(KEY_FILENAME)
             keyFileUri = intent.getParcelableExtra(KEY_KEYFILE)
@@ -222,6 +318,7 @@ class PasswordActivity : StylishActivity() {
 
     private fun onPostInitUri(databaseFileUri: Uri?, keyFileUri: Uri?) {
         mDatabaseFileUri = databaseFileUri
+        mDatabaseKeyFileUri = keyFileUri
 
         // Define title
         databaseFileUri?.let {
@@ -243,11 +340,13 @@ class PasswordActivity : StylishActivity() {
                 newDefaultFileName = databaseFileUri ?: newDefaultFileName
             }
 
-            newDefaultFileName?.let {
-                prefs?.edit()?.apply {
+            prefs?.edit()?.apply {
+                newDefaultFileName?.let {
                     putString(KEY_DEFAULT_DATABASE_PATH, newDefaultFileName.toString())
-                    apply()
+                } ?: kotlin.run {
+                    remove(KEY_DEFAULT_DATABASE_PATH)
                 }
+                apply()
             }
 
             val backupManager = BackupManager(this@PasswordActivity)
@@ -273,15 +372,11 @@ class PasswordActivity : StylishActivity() {
         if (launchImmediately) {
             verifyCheckboxesAndLoadDatabase(password, keyFileUri)
         } else {
-            // Init FingerPrint elements
-            var fingerPrintInit = false
+            // Init Biometric elements
+            var biometricInitialize = false
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                 if (PreferencesUtil.isBiometricUnlockEnable(this)) {
 
-                    advancedUnlockInfoView?.setOnClickListener {
-                        FingerPrintExplanationDialog().show(supportFragmentManager, "fingerPrintExplanationDialog")
-                    }
-
                     if (advancedUnlockedManager == null && databaseFileUri != null) {
                         advancedUnlockedManager = AdvancedUnlockedManager(this,
                                 databaseFileUri,
@@ -303,18 +398,18 @@ class PasswordActivity : StylishActivity() {
                                 { passwordDecrypted ->
                                     // Load the database if password is retrieve from biometric
                                     passwordDecrypted?.let {
-                                        // Retrieve from fingerprint
+                                        // Retrieve from biometric
                                         verifyKeyFileCheckboxAndLoadDatabase(it)
                                     }
                                 })
                     }
-                    advancedUnlockedManager?.initBiometric()
-                    fingerPrintInit = true
+                    advancedUnlockedManager?.checkBiometricAvailability()
+                    biometricInitialize = true
                 } else {
                     advancedUnlockedManager?.destroy()
                 }
             }
-            if (!fingerPrintInit) {
+            if (!biometricInitialize) {
                 checkboxPasswordView?.setOnCheckedChangeListener(enableButtonOnCheckedChangeListener)
             }
             checkboxKeyFileView?.setOnCheckedChangeListener(enableButtonOnCheckedChangeListener)
@@ -368,9 +463,8 @@ class PasswordActivity : StylishActivity() {
     }
 
     override fun onPause() {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-            advancedUnlockedManager?.pause()
-        }
+        mProgressDialogThread?.unregisterProgressTask()
+
         super.onPause()
     }
 
@@ -391,14 +485,18 @@ class PasswordActivity : StylishActivity() {
                                                 keyFile: Uri?,
                                                 cipherDatabaseEntity: CipherDatabaseEntity? = null) {
         val keyPassword = if (checkboxPasswordView?.isChecked != true) null else password
-        val keyFileUri = if (checkboxKeyFileView?.isChecked != true) null else keyFile
-        loadDatabase(keyPassword, keyFileUri, cipherDatabaseEntity)
+        verifyKeyFileCheckbox(keyFile)
+        loadDatabase(mDatabaseFileUri, keyPassword, mDatabaseKeyFileUri, cipherDatabaseEntity)
     }
 
     private fun verifyKeyFileCheckboxAndLoadDatabase(password: String?) {
         val keyFile: Uri? = UriUtil.parse(keyFileView?.text?.toString())
-        val keyFileUri = if (checkboxKeyFileView?.isChecked != true) null else keyFile
-        loadDatabase(password, keyFileUri)
+        verifyKeyFileCheckbox(keyFile)
+        loadDatabase(mDatabaseFileUri, password, mDatabaseKeyFileUri)
+    }
+
+    private fun verifyKeyFileCheckbox(keyFile: Uri?) {
+        mDatabaseKeyFileUri = if (checkboxKeyFileView?.isChecked != true) null else keyFile
     }
 
     private fun removePassword() {
@@ -406,103 +504,47 @@ class PasswordActivity : StylishActivity() {
         checkboxPasswordView?.isChecked = false
     }
 
-    private fun loadDatabase(password: String?, keyFile: Uri?, cipherDatabaseEntity: CipherDatabaseEntity? = null) {
+    private fun loadDatabase(databaseFileUri: Uri?,
+                             password: String?,
+                             keyFileUri: Uri?,
+                             cipherDatabaseEntity: CipherDatabaseEntity? = null) {
 
-        runOnUiThread {
-            if (PreferencesUtil.deletePasswordAfterConnexionAttempt(this)) {
-                removePassword()
-            }
+        if (PreferencesUtil.deletePasswordAfterConnexionAttempt(this)) {
+            removePassword()
         }
 
-        // Clear before we load
-        val database = Database.getInstance()
-        database.closeAndClear(applicationContext.filesDir)
-
-        mDatabaseFileUri?.let { databaseUri ->
+        databaseFileUri?.let { databaseUri ->
             // Show the progress dialog and load the database
-            ProgressDialogThread(this,
-                    { progressTaskUpdater ->
-                        LoadDatabaseRunnable(
-                                WeakReference(this@PasswordActivity),
-                                database,
-                                databaseUri,
-                                password,
-                                keyFile,
-                                progressTaskUpdater,
-                                AfterLoadingDatabase(database, password, cipherDatabaseEntity))
-                    },
-                    R.string.loading_database).start()
+            showProgressDialogAndLoadDatabase(
+                    databaseUri,
+                    password,
+                    keyFileUri,
+                    readOnly,
+                    cipherDatabaseEntity,
+                    false)
         }
     }
 
-    /**
-     * Called after verify and try to opening the database
-     */
-    private inner class AfterLoadingDatabase(val database: Database, val password: String?,
-                                             val cipherDatabaseEntity: CipherDatabaseEntity? = null)
-        : ActionRunnable() {
-
-        override fun onFinishRun(result: Result) {
-            runOnUiThread {
-                // Recheck fingerprint if error
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-                    if (PreferencesUtil.isBiometricUnlockEnable(this@PasswordActivity)) {
-                        // Stay with the same mode and init it
-                        advancedUnlockedManager?.initBiometricMode()
-                    }
-                }
-
-                if (result.isSuccess) {
-                    // Remove the password in view in all cases
-                    removePassword()
-
-                    // Register the biometric
-                    if (cipherDatabaseEntity != null) {
-                        CipherDatabaseAction.getInstance(this@PasswordActivity)
-                                .addOrUpdateCipherDatabase(cipherDatabaseEntity) {
-                                    checkAndLaunchGroupActivity(database, password)
-                                }
-                    } else {
-                        checkAndLaunchGroupActivity(database, password)
-                    }
-
-                } else {
-                    if (result.message != null && result.message!!.isNotEmpty()) {
-                        Snackbar.make(activity_password_coordinator_layout, result.message!!, Snackbar.LENGTH_LONG).asError().show()
-                    }
-                }
-            }
-        }
+    private fun showProgressDialogAndLoadDatabase(databaseUri: Uri,
+                                                  password: String?,
+                                                  keyFile: Uri?,
+                                                  readOnly: Boolean,
+                                                  cipherDatabaseEntity: CipherDatabaseEntity?,
+                                                  fixDuplicateUUID: Boolean) {
+        mProgressDialogThread?.startDatabaseLoad(
+                databaseUri,
+                password,
+                keyFile,
+                readOnly,
+                cipherDatabaseEntity,
+                fixDuplicateUUID
+        )
     }
 
-    private fun checkAndLaunchGroupActivity(database: Database, password: String?) {
-        if (database.validatePasswordEncoding(password)) {
-            launchGroupActivity()
-        } else {
-            PasswordEncodingDialogFragment().apply {
-                positiveButtonClickListener = DialogInterface.OnClickListener { _, _ ->
-                    launchGroupActivity()
-                }
-                show(supportFragmentManager, "passwordEncodingTag")
-            }
-        }
-    }
-
-    private fun launchGroupActivity() {
-        EntrySelectionHelper.doEntrySelectionAction(intent,
-                {
-                    GroupActivity.launch(this@PasswordActivity, readOnly)
-                },
-                {
-                    GroupActivity.launchForKeyboarSelection(this@PasswordActivity, readOnly)
-                    // Do not keep history
-                    finish()
-                },
-                { assistStructure ->
-                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-                        GroupActivity.launchForAutofillResult(this@PasswordActivity, assistStructure, readOnly)
-                    }
-                })
+    private fun showLoadDatabaseDuplicateUuidMessage(loadDatabaseWithFix: (() -> Unit)? = null) {
+        DuplicateUuidDialog().apply {
+            positiveAction = loadDatabaseWithFix
+        }.show(supportFragmentManager, "duplicateUUIDDialog")
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
@@ -514,53 +556,102 @@ class PasswordActivity : StylishActivity() {
         MenuUtil.defaultMenuInflater(inflater, menu)
 
         if ( Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-            // Fingerprint menu
+            // biometric menu
             advancedUnlockedManager?.inflateOptionsMenu(inflater, menu)
         }
 
         super.onCreateOptionsMenu(menu)
 
-        // Show education views
-        Handler().post { performedNextEducation(PasswordActivityEducation(this), menu) }
+        launchEducation(menu) {
+            launchCheckPermission()
+        }
 
         return true
     }
 
+    // Check permission
+    private fun launchCheckPermission() {
+        val writePermission = android.Manifest.permission.WRITE_EXTERNAL_STORAGE
+        val permissions = arrayOf(writePermission)
+        if (Build.VERSION.SDK_INT >= 23
+                && !readOnly
+                && !mPermissionAsked) {
+            mPermissionAsked = true
+            // Check self permission to show or not the dialog
+            if (toolbar != null
+                    && ActivityCompat.checkSelfPermission(this, writePermission) != PackageManager.PERMISSION_GRANTED) {
+                ActivityCompat.requestPermissions(this, permissions, WRITE_EXTERNAL_STORAGE_REQUEST)
+            }
+        }
+    }
+
+    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+
+        when (requestCode) {
+            WRITE_EXTERNAL_STORAGE_REQUEST -> {
+                if (grantResults.isEmpty() || grantResults[0] != PackageManager.PERMISSION_GRANTED) {
+                    if (ActivityCompat.shouldShowRequestPermissionRationale(this, android.Manifest.permission.WRITE_EXTERNAL_STORAGE))
+                        Toast.makeText(this, R.string.read_only_warning, Toast.LENGTH_LONG).show()
+                }
+            }
+        }
+    }
+
+    // To fix multiple view education
+    private var performedEductionInProgress = false
+    private fun launchEducation(menu: Menu, onEducationFinished: ()-> Unit) {
+        if (!performedEductionInProgress) {
+            performedEductionInProgress = true
+            // Show education views
+            Handler().post { performedNextEducation(PasswordActivityEducation(this), menu, onEducationFinished) }
+        }
+    }
+
     private fun performedNextEducation(passwordActivityEducation: PasswordActivityEducation,
-                                       menu: Menu) {
-        val unlockEducationPerformed = toolbar != null
+                                       menu: Menu,
+                                       onEducationFinished: ()-> Unit) {
+        val educationToolbar = toolbar
+        val unlockEducationPerformed = educationToolbar != null
                 && passwordActivityEducation.checkAndPerformedUnlockEducation(
-                        toolbar!!,
+                educationToolbar,
                         {
-                            performedNextEducation(passwordActivityEducation, menu)
+                            performedNextEducation(passwordActivityEducation, menu, onEducationFinished)
                         },
                         {
-                            performedNextEducation(passwordActivityEducation, menu)
+                            performedNextEducation(passwordActivityEducation, menu, onEducationFinished)
                         })
         if (!unlockEducationPerformed) {
-
-            val readOnlyEducationPerformed = toolbar != null
-                    && toolbar!!.findViewById<View>(R.id.menu_open_file_read_mode_key) != null
+            val readOnlyEducationPerformed =
+                    educationToolbar?.findViewById<View>(R.id.menu_open_file_read_mode_key) != null
                     && passwordActivityEducation.checkAndPerformedReadOnlyEducation(
-                    toolbar!!.findViewById(R.id.menu_open_file_read_mode_key),
+                    educationToolbar.findViewById(R.id.menu_open_file_read_mode_key),
                     {
                         onOptionsItemSelected(menu.findItem(R.id.menu_open_file_read_mode_key))
-                        performedNextEducation(passwordActivityEducation, menu)
+                        performedNextEducation(passwordActivityEducation, menu, onEducationFinished)
                     },
                     {
-                        performedNextEducation(passwordActivityEducation, menu)
+                        performedNextEducation(passwordActivityEducation, menu, onEducationFinished)
                     })
 
             if (!readOnlyEducationPerformed) {
-
                 val biometricCanAuthenticate = BiometricManager.from(this).canAuthenticate()
-                // fingerprintEducationPerformed
+                val biometricEducationPerformed =
                 Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
                         && PreferencesUtil.isBiometricUnlockEnable(applicationContext)
                         && (biometricCanAuthenticate == BiometricManager.BIOMETRIC_ERROR_NONE_ENROLLED || biometricCanAuthenticate == BiometricManager.BIOMETRIC_SUCCESS)
                         && advancedUnlockInfoView != null && advancedUnlockInfoView?.unlockIconImageView != null
-                        && passwordActivityEducation.checkAndPerformedFingerprintEducation(advancedUnlockInfoView?.unlockIconImageView!!)
+                        && passwordActivityEducation.checkAndPerformedBiometricEducation(advancedUnlockInfoView?.unlockIconImageView!!,
+                        {
+                            performedNextEducation(passwordActivityEducation, menu, onEducationFinished)
+                        },
+                        {
+                            performedNextEducation(passwordActivityEducation, menu, onEducationFinished)
+                        })
 
+                if (!biometricEducationPerformed) {
+                    onEducationFinished.invoke()
+                }
             }
         }
     }
@@ -583,7 +674,7 @@ class PasswordActivity : StylishActivity() {
                 readOnly = !readOnly
                 changeOpenFileReadIcon(item)
             }
-            R.id.menu_fingerprint_remove_key -> if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            R.id.menu_biometric_remove_key -> if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                 advancedUnlockedManager?.deleteEntryKey()
             }
             else -> return MenuUtil.onDefaultMenuOptionsItemSelected(this, item)
@@ -636,6 +727,10 @@ class PasswordActivity : StylishActivity() {
         private const val KEY_PASSWORD = "password"
         private const val KEY_LAUNCH_IMMEDIATELY = "launchImmediately"
 
+        private const val KEY_PERMISSION_ASKED = "KEY_PERMISSION_ASKED"
+
+        private const val WRITE_EXTERNAL_STORAGE_REQUEST = 647
+
         private fun buildAndLaunchIntent(activity: Activity, databaseFile: Uri, keyFile: Uri?,
                                          intentBuildLauncher: (Intent) -> Unit) {
             val intent = Intent(activity, PasswordActivity::class.java)

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *     
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities.dialogs
@@ -45,6 +45,8 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
     private var rootView: View? = null
 
     private var passwordCheckBox: CompoundButton? = null
+
+    private var passwordTextInputLayout: TextInputLayout? = null
     private var passwordView: TextView? = null
     private var passwordRepeatTextInputLayout: TextInputLayout? = null
     private var passwordRepeatView: TextView? = null
@@ -96,6 +98,13 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
 
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
         activity?.let { activity ->
+
+            var allowNoMasterKey = false
+            arguments?.apply {
+                if (containsKey(ALLOW_NO_MASTER_KEY_ARG))
+                    allowNoMasterKey = getBoolean(ALLOW_NO_MASTER_KEY_ARG, false)
+            }
+
             val builder = AlertDialog.Builder(activity)
             val inflater = activity.layoutInflater
 
@@ -104,9 +113,10 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
                     .setTitle(R.string.assign_master_key)
                     // Add action buttons
                     .setPositiveButton(android.R.string.ok) { _, _ -> }
-                    .setNegativeButton(R.string.cancel) { _, _ -> }
+                    .setNegativeButton(android.R.string.cancel) { _, _ -> }
 
             passwordCheckBox = rootView?.findViewById(R.id.password_checkbox)
+            passwordTextInputLayout = rootView?.findViewById(R.id.password_input_layout)
             passwordView = rootView?.findViewById(R.id.pass_password)
             passwordRepeatTextInputLayout = rootView?.findViewById(R.id.password_repeat_input_layout)
             passwordRepeatView = rootView?.findViewById(R.id.pass_conf_password)
@@ -116,7 +126,7 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
             keyFileView = rootView?.findViewById(R.id.pass_keyfile)
 
             mOpenFileHelper = OpenFileHelper(this)
-            rootView?.findViewById<View>(R.id.browse_button)?.setOnClickListener { view ->
+            rootView?.findViewById<View>(R.id.open_database_button)?.setOnClickListener { view ->
                 mOpenFileHelper?.openFileOnClickViewListener?.onClick(view) }
 
             val dialog = builder.create()
@@ -132,7 +142,11 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
                         var error = verifyPassword() || verifyFile()
                         if (!passwordCheckBox!!.isChecked && !keyFileCheckBox!!.isChecked) {
                             error = true
-                            showNoKeyConfirmationDialog()
+                            if (allowNoMasterKey)
+                                showNoKeyConfirmationDialog()
+                            else {
+                                passwordTextInputLayout?.error = getString(R.string.error_disallow_no_credentials)
+                            }
                         }
                         if (!error) {
                             mListener?.onAssignKeyDialogPositiveClick(
@@ -193,6 +207,7 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
                 showEmptyPasswordConfirmationDialog()
             }
         }
+
         return error
     }
 
@@ -223,7 +238,7 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
                             this@AssignMasterKeyDialogFragment.dismiss()
                         }
                     }
-                    .setNegativeButton(R.string.cancel) { _, _ -> }
+                    .setNegativeButton(android.R.string.cancel) { _, _ -> }
             builder.create().show()
         }
     }
@@ -238,7 +253,7 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
                                 keyFileCheckBox!!.isChecked, mKeyFile)
                         this@AssignMasterKeyDialogFragment.dismiss()
                     }
-                    .setNegativeButton(R.string.cancel) { _, _ -> }
+                    .setNegativeButton(android.R.string.cancel) { _, _ -> }
             builder.create().show()
         }
     }
@@ -255,4 +270,17 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
             }
         }
     }
+
+    companion object {
+
+        private const val ALLOW_NO_MASTER_KEY_ARG = "ALLOW_NO_MASTER_KEY_ARG"
+
+        fun getInstance(allowNoMasterKey: Boolean): AssignMasterKeyDialogFragment {
+            val fragment = AssignMasterKeyDialogFragment()
+            val args = Bundle()
+            args.putBoolean(ALLOW_NO_MASTER_KEY_ARG, allowNoMasterKey)
+            fragment.arguments = args
+            return fragment
+        }
+    }
 }

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities.dialogs
@@ -36,7 +36,7 @@ class BrowserDialogFragment : DialogFragment() {
             // Get the layout inflater
             val root = activity.layoutInflater.inflate(R.layout.fragment_browser_install, null)
             builder.setView(root)
-                    .setNegativeButton(R.string.cancel) { _, _ -> }
+                    .setNegativeButton(android.R.string.cancel) { _, _ -> }
 
             val textDescription = root.findViewById<TextView>(R.id.file_manager_install_description)
             textDescription.text = getString(R.string.file_manager_install_description)

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

@@ -0,0 +1,93 @@
+/*
+ * 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 androidx.appcompat.app.AlertDialog
+import androidx.fragment.app.DialogFragment
+import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.database.element.node.Node
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.getBundleFromListNodes
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.getListNodesFromBundle
+
+class DeleteNodesDialogFragment : DialogFragment() {
+
+    private var mNodesToDelete: List<Node> = ArrayList()
+    private var mListener: DeleteNodeListener? = null
+
+    override fun onAttach(context: Context) {
+        super.onAttach(context)
+        try {
+            mListener = context as DeleteNodeListener
+        } catch (e: ClassCastException) {
+            throw ClassCastException(context.toString()
+                    + " must implement " + DeleteNodeListener::class.java.name)
+        }
+    }
+
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+
+        arguments?.apply {
+            if (containsKey(DatabaseTaskNotificationService.GROUPS_ID_KEY)
+                    && containsKey(DatabaseTaskNotificationService.ENTRIES_ID_KEY)) {
+                mNodesToDelete = getListNodesFromBundle(Database.getInstance(), this)
+            }
+        } ?: savedInstanceState?.apply {
+            if (containsKey(DatabaseTaskNotificationService.GROUPS_ID_KEY)
+                    && containsKey(DatabaseTaskNotificationService.ENTRIES_ID_KEY)) {
+                mNodesToDelete = getListNodesFromBundle(Database.getInstance(), savedInstanceState)
+            }
+        }
+        activity?.let { activity ->
+            // Use the Builder class for convenient dialog construction
+            val builder = AlertDialog.Builder(activity)
+
+            builder.setMessage(getString(R.string.warning_permanently_delete_nodes))
+            builder.setPositiveButton(android.R.string.yes) { _, _ ->
+                mListener?.permanentlyDeleteNodes(mNodesToDelete)
+            }
+            builder.setNegativeButton(android.R.string.no) { _, _ -> dismiss() }
+            // Create the AlertDialog object and return it
+            return builder.create()
+        }
+        return super.onCreateDialog(savedInstanceState)
+    }
+
+    override fun onSaveInstanceState(outState: Bundle) {
+        super.onSaveInstanceState(outState)
+        outState.putAll(getBundleFromListNodes(mNodesToDelete))
+    }
+
+    interface DeleteNodeListener {
+        fun permanentlyDeleteNodes(nodes: List<Node>)
+    }
+
+    companion object {
+        fun getInstance(nodesToDelete: List<Node>): DeleteNodesDialogFragment {
+            return DeleteNodesDialogFragment().apply {
+                arguments = getBundleFromListNodes(nodesToDelete)
+            }
+        }
+    }
+}

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

@@ -1,56 +1,54 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities.dialogs
 
 import android.app.Dialog
-import android.os.Build
 import android.os.Bundle
-import android.preference.PreferenceManager
 import androidx.fragment.app.DialogFragment
 import com.kunzisoft.keepass.R
 
-class ReadOnlyDialog : DialogFragment() {
+class DuplicateUuidDialog : DialogFragment() {
+
+    var positiveAction: (() -> Unit)? = null
 
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
         activity?.let { activity ->
             // Use the Builder class for convenient dialog construction
-            val builder = androidx.appcompat.app.AlertDialog.Builder(activity)
-
-            var warning = getString(R.string.read_only_warning)
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-                warning = warning + "\n\n" + getString(R.string.read_only_kitkat_warning)
+            val builder = androidx.appcompat.app.AlertDialog.Builder(activity).apply {
+                val message = getString(R.string.contains_duplicate_uuid) +
+                        "\n\n" + getString(R.string.contains_duplicate_uuid_procedure)
+                setMessage(message)
+                setPositiveButton(getString(android.R.string.ok)) { _, _ ->
+                    positiveAction?.invoke()
+                    dismiss()
+                }
+                setNegativeButton(getString(android.R.string.cancel)) { _, _ -> dismiss() }
             }
-            builder.setMessage(warning)
-
-            builder.setPositiveButton(getString(android.R.string.ok)) { _, _ -> dismiss() }
-            builder.setNegativeButton(getString(R.string.beta_dontask)) { _, _ ->
-                val prefs = PreferenceManager.getDefaultSharedPreferences(context)
-                val edit = prefs.edit()
-                edit.putBoolean(getString(R.string.show_read_only_warning), false)
-                edit.apply()
-                dismiss()
-            }
-
             // Create the AlertDialog object and return it
             return builder.create()
         }
         return super.onCreateDialog(savedInstanceState)
     }
+
+    override fun onPause() {
+        super.onPause()
+        this.dismiss()
+    }
 }

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

@@ -1,73 +0,0 @@
-/*
- * Copyright 2019 Jeremy Jamet / Kunzisoft.
- *     
- * This file is part of KeePass DX.
- *
- *  KeePass DX 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.
- *
- *  KeePass DX 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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.activities.dialogs
-
-import android.app.Dialog
-import android.content.Intent
-import android.os.Build
-import android.os.Bundle
-import androidx.annotation.RequiresApi
-import androidx.fragment.app.DialogFragment
-import androidx.appcompat.app.AlertDialog
-import android.view.View
-import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.biometric.FingerPrintAnimatedVector
-import com.kunzisoft.keepass.settings.SettingsAdvancedUnlockActivity
-
-@RequiresApi(api = Build.VERSION_CODES.M)
-class FingerPrintExplanationDialog : DialogFragment() {
-
-    private var fingerPrintAnimatedVector: FingerPrintAnimatedVector? = null
-
-    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
-        activity?.let { activity ->
-            val builder = AlertDialog.Builder(activity)
-            val inflater = activity.layoutInflater
-
-            val rootView = inflater.inflate(R.layout.fragment_fingerprint_explanation, null)
-
-            rootView.findViewById<View>(R.id.fingerprint_setting_link_text).setOnClickListener {
-                startActivity(Intent(android.provider.Settings.ACTION_SECURITY_SETTINGS))
-            }
-
-            rootView.findViewById<View>(R.id.auto_open_biometric_prompt_button).setOnClickListener {
-                startActivity(Intent(activity, SettingsAdvancedUnlockActivity::class.java))
-            }
-
-            fingerPrintAnimatedVector = FingerPrintAnimatedVector(activity,
-                    rootView.findViewById(R.id.biometric_image))
-
-            builder.setView(rootView)
-                    .setPositiveButton(android.R.string.ok) { _, _ -> }
-            return builder.create()
-        }
-        return super.onCreateDialog(savedInstanceState)
-    }
-
-    override fun onResume() {
-        super.onResume()
-        fingerPrintAnimatedVector?.startScan()
-    }
-
-    override fun onPause() {
-        super.onPause()
-        fingerPrintAnimatedVector?.stopScan()
-    }
-}

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *     
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities.dialogs
@@ -114,7 +114,7 @@ class GeneratePasswordDialogFragment : DialogFragment() {
 
                         dismiss()
                     }
-                    .setNegativeButton(R.string.cancel) { _, _ ->
+                    .setNegativeButton(android.R.string.cancel) { _, _ ->
                         val bundle = Bundle()
                         mListener?.cancelPassword(bundle)
 

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *     
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities.dialogs
@@ -33,8 +33,8 @@ import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.dialogs.GroupEditDialogFragment.EditGroupDialogAction.CREATION
 import com.kunzisoft.keepass.activities.dialogs.GroupEditDialogFragment.EditGroupDialogAction.UPDATE
 import com.kunzisoft.keepass.database.element.Database
-import com.kunzisoft.keepass.database.element.GroupVersioned
-import com.kunzisoft.keepass.database.element.PwIcon
+import com.kunzisoft.keepass.database.element.Group
+import com.kunzisoft.keepass.database.element.icon.IconImage
 import com.kunzisoft.keepass.icons.assignDatabaseIcon
 
 class GroupEditDialogFragment : DialogFragment(), IconPickerDialogFragment.IconPickerListener {
@@ -45,7 +45,7 @@ class GroupEditDialogFragment : DialogFragment(), IconPickerDialogFragment.IconP
 
     private var editGroupDialogAction: EditGroupDialogAction? = null
     private var nameGroup: String? = null
-    private var iconGroup: PwIcon? = null
+    private var iconGroup: IconImage? = null
 
     private var nameTextLayoutView: TextInputLayout? = null
     private var nameTextView: TextView? = null
@@ -122,7 +122,7 @@ class GroupEditDialogFragment : DialogFragment(), IconPickerDialogFragment.IconP
             val builder = AlertDialog.Builder(activity)
             builder.setView(root)
                     .setPositiveButton(android.R.string.ok, null)
-                    .setNegativeButton(R.string.cancel) { _, _ ->
+                    .setNegativeButton(android.R.string.cancel) { _, _ ->
                         editGroupListener?.cancelEditGroup(
                                 editGroupDialogAction,
                                 nameTextView?.text?.toString(),
@@ -186,8 +186,8 @@ class GroupEditDialogFragment : DialogFragment(), IconPickerDialogFragment.IconP
     }
 
     interface EditGroupListener {
-        fun approveEditGroup(action: EditGroupDialogAction?, name: String?, icon: PwIcon?)
-        fun cancelEditGroup(action: EditGroupDialogAction?, name: String?, icon: PwIcon?)
+        fun approveEditGroup(action: EditGroupDialogAction?, name: String?, icon: IconImage?)
+        fun cancelEditGroup(action: EditGroupDialogAction?, name: String?, icon: IconImage?)
     }
 
     companion object {
@@ -206,7 +206,7 @@ class GroupEditDialogFragment : DialogFragment(), IconPickerDialogFragment.IconP
             return fragment
         }
 
-        fun build(group: GroupVersioned): GroupEditDialogFragment {
+        fun build(group: Group): GroupEditDialogFragment {
             val bundle = Bundle()
             bundle.putString(KEY_NAME, group.title)
             bundle.putParcelable(KEY_ICON, group.icon)

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities.dialogs
@@ -35,7 +35,7 @@ import android.widget.GridView
 import android.widget.ImageView
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.stylish.StylishActivity
-import com.kunzisoft.keepass.database.element.PwIconStandard
+import com.kunzisoft.keepass.database.element.icon.IconImageStandard
 import com.kunzisoft.keepass.icons.IconPack
 import com.kunzisoft.keepass.icons.IconPackChooser
 
@@ -72,12 +72,12 @@ class IconPickerDialogFragment : DialogFragment() {
 
             currIconGridView.setOnItemClickListener { _, _, position, _ ->
                 val bundle = Bundle()
-                bundle.putParcelable(KEY_ICON_STANDARD, PwIconStandard(position))
+                bundle.putParcelable(KEY_ICON_STANDARD, IconImageStandard(position))
                 iconPickerListener?.iconPicked(bundle)
                 dismiss()
             }
 
-            builder.setNegativeButton(R.string.cancel) { _, _ -> this@IconPickerDialogFragment.dialog?.cancel() }
+            builder.setNegativeButton(android.R.string.cancel) { _, _ -> this@IconPickerDialogFragment.dialog?.cancel() }
 
             return builder.create()
         }
@@ -128,7 +128,7 @@ class IconPickerDialogFragment : DialogFragment() {
 
         private const val KEY_ICON_STANDARD = "KEY_ICON_STANDARD"
 
-        fun getIconStandardFromBundle(bundle: Bundle): PwIconStandard? {
+        fun getIconStandardFromBundle(bundle: Bundle): IconImageStandard? {
             return bundle.getParcelable(KEY_ICON_STANDARD)
         }
 

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

@@ -1,65 +0,0 @@
-/*
- * Copyright 2019 Jeremy Jamet / Kunzisoft.
- *     
- * This file is part of KeePass DX.
- *
- *  KeePass DX 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.
- *
- *  KeePass DX 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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.activities.dialogs
-
-import android.app.Dialog
-import android.content.Intent
-import android.content.Intent.FLAG_ACTIVITY_NEW_TASK
-import android.os.Bundle
-import android.provider.Settings
-import androidx.fragment.app.DialogFragment
-import androidx.appcompat.app.AlertDialog
-import android.view.View
-import com.kunzisoft.keepass.BuildConfig
-import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.utils.UriUtil
-
-class KeyboardExplanationDialogFragment : DialogFragment() {
-
-    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
-        activity?.let {
-            val builder = AlertDialog.Builder(activity!!)
-            val inflater = activity!!.layoutInflater
-
-            val rootView = inflater.inflate(R.layout.fragment_keyboard_explanation, null)
-
-            rootView.findViewById<View>(R.id.keyboards_activate_device_setting_button)
-                    .setOnClickListener { launchActivateKeyboardSetting() }
-
-            val containerKeyboardSwitcher = rootView.findViewById<View>(R.id.container_keyboard_switcher)
-            if (BuildConfig.CLOSED_STORE) {
-                containerKeyboardSwitcher.setOnClickListener { UriUtil.gotoUrl(context!!, R.string.keyboard_switcher_play_store) }
-            } else {
-                containerKeyboardSwitcher.setOnClickListener { UriUtil.gotoUrl(context!!, R.string.keyboard_switcher_f_droid) }
-            }
-
-            builder.setView(rootView)
-                    .setPositiveButton(android.R.string.ok) { _, _ -> }
-            return builder.create()
-        }
-        return super.onCreateDialog(savedInstanceState)
-    }
-
-    private fun launchActivateKeyboardSetting() {
-        val intent = Intent(Settings.ACTION_INPUT_METHOD_SETTINGS)
-        intent.addFlags(FLAG_ACTIVITY_NEW_TASK)
-        startActivity(intent)
-    }
-}

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *     
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities.dialogs
@@ -35,7 +35,7 @@ class PasswordEncodingDialogFragment : DialogFragment() {
             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.setNegativeButton(R.string.cancel) { dialog, _ -> dialog.cancel() }
+            builder.setNegativeButton(android.R.string.cancel) { dialog, _ -> dialog.cancel() }
 
             return builder.create()
         }

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities.dialogs

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

@@ -0,0 +1,401 @@
+/*
+ * 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.annotation.SuppressLint
+import android.app.Dialog
+import android.content.Context
+import android.os.Bundle
+import android.text.Editable
+import android.text.TextWatcher
+import android.view.MotionEvent
+import android.view.View
+import android.view.ViewGroup
+import android.widget.AdapterView
+import android.widget.ArrayAdapter
+import android.widget.EditText
+import android.widget.Spinner
+import androidx.appcompat.app.AlertDialog
+import androidx.fragment.app.DialogFragment
+import com.google.android.material.textfield.TextInputLayout
+import com.kunzisoft.keepass.BuildConfig
+import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.model.OtpModel
+import com.kunzisoft.keepass.otp.OtpElement
+import com.kunzisoft.keepass.otp.OtpElement.Companion.MAX_HOTP_COUNTER
+import com.kunzisoft.keepass.otp.OtpElement.Companion.MAX_OTP_DIGITS
+import com.kunzisoft.keepass.otp.OtpElement.Companion.MAX_TOTP_PERIOD
+import com.kunzisoft.keepass.otp.OtpElement.Companion.MIN_HOTP_COUNTER
+import com.kunzisoft.keepass.otp.OtpElement.Companion.MIN_OTP_DIGITS
+import com.kunzisoft.keepass.otp.OtpElement.Companion.MIN_TOTP_PERIOD
+import com.kunzisoft.keepass.otp.OtpTokenType
+import com.kunzisoft.keepass.otp.OtpType
+import com.kunzisoft.keepass.otp.TokenCalculator
+import java.util.*
+
+class SetOTPDialogFragment : DialogFragment() {
+
+    private var mCreateOTPElementListener: CreateOtpListener? = null
+
+    private var mOtpElement: OtpElement = OtpElement()
+
+    private var otpTypeSpinner: Spinner? = null
+    private var otpTokenTypeSpinner: Spinner? = null
+    private var otpSecretContainer: TextInputLayout? = null
+    private var otpSecretTextView: EditText? = null
+    private var otpPeriodContainer: TextInputLayout? = null
+    private var otpPeriodTextView: EditText? = null
+    private var otpCounterContainer: TextInputLayout? = null
+    private var otpCounterTextView: EditText? = null
+    private var otpDigitsContainer: TextInputLayout? = null
+    private var otpDigitsTextView: EditText? = null
+    private var otpAlgorithmSpinner: Spinner? = null
+
+    private var otpTypeAdapter: ArrayAdapter<OtpType>? = null
+    private var otpTokenTypeAdapter: ArrayAdapter<OtpTokenType>? = null
+    private var totpTokenTypeAdapter: ArrayAdapter<OtpTokenType>? = null
+    private var hotpTokenTypeAdapter: ArrayAdapter<OtpTokenType>? = null
+    private var otpAlgorithmAdapter: ArrayAdapter<TokenCalculator.HashAlgorithm>? = null
+
+    private var mManualEvent = false
+    private var mOnFocusChangeListener = View.OnFocusChangeListener { _, isFocus ->
+        if (!isFocus)
+            mManualEvent = true
+    }
+    private var mOnTouchListener = View.OnTouchListener { _, event ->
+        when (event.action) {
+            MotionEvent.ACTION_DOWN -> {
+                mManualEvent = true
+            }
+        }
+        false
+    }
+
+    private var mSecretWellFormed = false
+    private var mCounterWellFormed = true
+    private var mPeriodWellFormed = true
+    private var mDigitsWellFormed = true
+
+    override fun onAttach(context: Context) {
+        super.onAttach(context)
+        // Verify that the host activity implements the callback interface
+        try {
+            // Instantiate the NoticeDialogListener so we can send events to the host
+            mCreateOTPElementListener = context as CreateOtpListener
+        } catch (e: ClassCastException) {
+            // The activity doesn't implement the interface, throw exception
+            throw ClassCastException(context.toString()
+                    + " must implement " + CreateOtpListener::class.java.name)
+        }
+    }
+
+    @SuppressLint("ClickableViewAccessibility")
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+
+        // Retrieve OTP model from instance state
+        if (savedInstanceState != null) {
+            if (savedInstanceState.containsKey(KEY_OTP)) {
+                savedInstanceState.getParcelable<OtpModel>(KEY_OTP)?.let { otpModel ->
+                    mOtpElement = OtpElement(otpModel)
+                }
+            }
+        } else {
+            arguments?.apply {
+                if (containsKey(KEY_OTP)) {
+                    getParcelable<OtpModel?>(KEY_OTP)?.let { otpModel ->
+                        mOtpElement = OtpElement(otpModel)
+                    }
+                }
+            }
+        }
+
+        activity?.let { activity ->
+            val root = activity.layoutInflater.inflate(R.layout.fragment_set_otp, null) as ViewGroup?
+            otpTypeSpinner = root?.findViewById(R.id.setup_otp_type)
+            otpTokenTypeSpinner = root?.findViewById(R.id.setup_otp_token_type)
+            otpSecretContainer = root?.findViewById(R.id.setup_otp_secret_label)
+            otpSecretTextView = root?.findViewById(R.id.setup_otp_secret)
+            otpAlgorithmSpinner = root?.findViewById(R.id.setup_otp_algorithm)
+            otpPeriodContainer= root?.findViewById(R.id.setup_otp_period_label)
+            otpPeriodTextView = root?.findViewById(R.id.setup_otp_period)
+            otpCounterContainer= root?.findViewById(R.id.setup_otp_counter_label)
+            otpCounterTextView = root?.findViewById(R.id.setup_otp_counter)
+            otpDigitsContainer = root?.findViewById(R.id.setup_otp_digits_label)
+            otpDigitsTextView = root?.findViewById(R.id.setup_otp_digits)
+
+            // To fix init element
+            // With tab keyboard selection
+            otpSecretTextView?.onFocusChangeListener = mOnFocusChangeListener
+            // With finger selection
+            otpTypeSpinner?.setOnTouchListener(mOnTouchListener)
+            otpTokenTypeSpinner?.setOnTouchListener(mOnTouchListener)
+            otpSecretTextView?.setOnTouchListener(mOnTouchListener)
+            otpAlgorithmSpinner?.setOnTouchListener(mOnTouchListener)
+            otpPeriodTextView?.setOnTouchListener(mOnTouchListener)
+            otpCounterTextView?.setOnTouchListener(mOnTouchListener)
+            otpDigitsTextView?.setOnTouchListener(mOnTouchListener)
+
+
+            // HOTP / TOTP Type selection
+            val otpTypeArray = OtpType.values()
+            otpTypeAdapter = ArrayAdapter<OtpType>(activity,
+                    android.R.layout.simple_spinner_item, otpTypeArray).apply {
+                setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item)
+            }
+            otpTypeSpinner?.adapter = otpTypeAdapter
+
+            // Otp Token type selection
+            val hotpTokenTypeArray = OtpTokenType.getHotpTokenTypeValues()
+            hotpTokenTypeAdapter = ArrayAdapter(activity,
+                    android.R.layout.simple_spinner_item, hotpTokenTypeArray).apply {
+                setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item)
+            }
+            // Proprietary only on closed and full version
+            val totpTokenTypeArray = OtpTokenType.getTotpTokenTypeValues(
+                    BuildConfig.CLOSED_STORE && BuildConfig.FULL_VERSION)
+            totpTokenTypeAdapter = ArrayAdapter(activity,
+                    android.R.layout.simple_spinner_item, totpTokenTypeArray).apply {
+                setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item)
+            }
+            otpTokenTypeAdapter = hotpTokenTypeAdapter
+            otpTokenTypeSpinner?.adapter = otpTokenTypeAdapter
+
+            // OTP Algorithm
+            val otpAlgorithmArray = TokenCalculator.HashAlgorithm.values()
+            otpAlgorithmAdapter = ArrayAdapter<TokenCalculator.HashAlgorithm>(activity,
+                    android.R.layout.simple_spinner_item, otpAlgorithmArray).apply {
+                setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item)
+            }
+            otpAlgorithmSpinner?.adapter = otpAlgorithmAdapter
+
+            // Set the default value of OTP element
+            upgradeType()
+            upgradeTokenType()
+            upgradeParameters()
+
+            attachListeners()
+
+            val builder = AlertDialog.Builder(activity)
+            builder.apply {
+                setTitle(R.string.entry_setup_otp)
+                setView(root)
+                        .setPositiveButton(android.R.string.ok) {_, _ -> }
+                        .setNegativeButton(android.R.string.cancel) { _, _ ->
+                        }
+            }
+
+            return builder.create()
+        }
+        return super.onCreateDialog(savedInstanceState)
+    }
+
+    override fun onResume() {
+        super.onResume()
+        (dialog as AlertDialog).getButton(Dialog.BUTTON_POSITIVE).setOnClickListener {
+            if (mSecretWellFormed
+                    && mCounterWellFormed
+                    && mPeriodWellFormed
+                    && mDigitsWellFormed) {
+                mCreateOTPElementListener?.onOtpCreated(mOtpElement)
+                dismiss()
+            }
+        }
+    }
+
+    private fun attachListeners() {
+        // Set Type listener
+        otpTypeSpinner?.onItemSelectedListener = object: AdapterView.OnItemSelectedListener {
+            override fun onNothingSelected(parent: AdapterView<*>?) {}
+
+            override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
+                if (mManualEvent) {
+                    (parent?.selectedItem as OtpType?)?.let {
+                        mOtpElement.type = it
+                        upgradeTokenType()
+                    }
+                }
+            }
+        }
+
+        // Set type token listener
+        otpTokenTypeSpinner?.onItemSelectedListener = object: AdapterView.OnItemSelectedListener {
+            override fun onNothingSelected(parent: AdapterView<*>?) {}
+
+            override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
+                if (mManualEvent) {
+                    (parent?.selectedItem as OtpTokenType?)?.let {
+                        mOtpElement.tokenType = it
+                        upgradeParameters()
+                    }
+                }
+            }
+        }
+
+        // Set algorithm spinner
+        otpAlgorithmSpinner?.onItemSelectedListener = object: AdapterView.OnItemSelectedListener {
+            override fun onNothingSelected(parent: AdapterView<*>?) {}
+
+            override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
+                if (mManualEvent) {
+                    (parent?.selectedItem as TokenCalculator.HashAlgorithm?)?.let {
+                        mOtpElement.algorithm = it
+                    }
+                }
+            }
+        }
+
+        // Set secret in OtpElement
+        otpSecretTextView?.addTextChangedListener(object: TextWatcher {
+            override fun afterTextChanged(s: Editable?) {
+                s?.toString()?.let { userString ->
+                    try {
+                        mOtpElement.setBase32Secret(userString.toUpperCase(Locale.ENGLISH))
+                        otpSecretContainer?.error = null
+                    } catch (exception: Exception) {
+                        otpSecretContainer?.error = getString(R.string.error_otp_secret_key)
+                    }
+                    mSecretWellFormed = otpSecretContainer?.error == null
+                }
+            }
+            override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {}
+            override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {}
+        })
+
+        // Set counter in OtpElement
+        otpCounterTextView?.addTextChangedListener(object: TextWatcher {
+            override fun afterTextChanged(s: Editable?) {
+                if (mManualEvent) {
+                    s?.toString()?.toLongOrNull()?.let {
+                        try {
+                            mOtpElement.counter = it
+                            otpCounterContainer?.error = null
+                        } catch (exception: Exception) {
+                            otpCounterContainer?.error = getString(R.string.error_otp_counter,
+                                    MIN_HOTP_COUNTER, MAX_HOTP_COUNTER)
+                        }
+                        mCounterWellFormed = otpCounterContainer?.error == null
+                    }
+                }
+            }
+            override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {}
+            override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {}
+        })
+
+        // Set period in OtpElement
+        otpPeriodTextView?.addTextChangedListener(object: TextWatcher {
+            override fun afterTextChanged(s: Editable?) {
+                if (mManualEvent) {
+                    s?.toString()?.toIntOrNull()?.let {
+                        try {
+                            mOtpElement.period = it
+                            otpPeriodContainer?.error = null
+                        } catch (exception: Exception) {
+                            otpPeriodContainer?.error = getString(R.string.error_otp_period,
+                                    MIN_TOTP_PERIOD, MAX_TOTP_PERIOD)
+                        }
+                        mPeriodWellFormed = otpPeriodContainer?.error == null
+                    }
+                }
+            }
+            override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {}
+            override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {}
+        })
+
+        // Set digits in OtpElement
+        otpDigitsTextView?.addTextChangedListener(object: TextWatcher {
+            override fun afterTextChanged(s: Editable?) {
+                if (mManualEvent) {
+                    s?.toString()?.toIntOrNull()?.let {
+                        try {
+                            mOtpElement.digits = it
+                            otpDigitsContainer?.error = null
+                        } catch (exception: Exception) {
+                            otpDigitsContainer?.error = getString(R.string.error_otp_digits,
+                                    MIN_OTP_DIGITS, MAX_OTP_DIGITS)
+                        }
+                        mDigitsWellFormed = otpDigitsContainer?.error == null
+                    }
+                }
+            }
+            override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {}
+            override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {}
+        })
+    }
+
+    private fun upgradeType() {
+        otpTypeSpinner?.setSelection(OtpType.values().indexOf(mOtpElement.type))
+    }
+
+    private fun upgradeTokenType() {
+        when (mOtpElement.type) {
+            OtpType.HOTP -> {
+                otpPeriodContainer?.visibility = View.GONE
+                otpCounterContainer?.visibility = View.VISIBLE
+                otpTokenTypeSpinner?.adapter = hotpTokenTypeAdapter
+                otpTokenTypeSpinner?.setSelection(OtpTokenType
+                        .getHotpTokenTypeValues().indexOf(mOtpElement.tokenType))
+            }
+            OtpType.TOTP -> {
+                otpPeriodContainer?.visibility = View.VISIBLE
+                otpCounterContainer?.visibility = View.GONE
+                otpTokenTypeSpinner?.adapter = totpTokenTypeAdapter
+                otpTokenTypeSpinner?.setSelection(OtpTokenType
+                        .getTotpTokenTypeValues().indexOf(mOtpElement.tokenType))
+            }
+        }
+    }
+
+    private fun upgradeParameters() {
+        otpAlgorithmSpinner?.setSelection(TokenCalculator.HashAlgorithm.values()
+                .indexOf(mOtpElement.algorithm))
+        otpSecretTextView?.apply {
+            setText(mOtpElement.getBase32Secret())
+            // Cursor at end
+            setSelection(this.text.length)
+        }
+        otpCounterTextView?.setText(mOtpElement.counter.toString())
+        otpPeriodTextView?.setText(mOtpElement.period.toString())
+        otpDigitsTextView?.setText(mOtpElement.digits.toString())
+    }
+
+    override fun onSaveInstanceState(outState: Bundle) {
+        super.onSaveInstanceState(outState)
+        outState.putParcelable(KEY_OTP, mOtpElement.otpModel)
+    }
+
+    interface CreateOtpListener {
+        fun onOtpCreated(otpElement: OtpElement)
+    }
+
+    companion object {
+
+        private const val KEY_OTP = "KEY_OTP"
+
+        fun build(otpModel: OtpModel? = null): SetOTPDialogFragment {
+            return SetOTPDialogFragment().apply {
+                if (otpModel != null) {
+                    arguments = Bundle().apply {
+                        putParcelable(KEY_OTP, otpModel)
+                    }
+                }
+            }
+        }
+    }
+}

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities.dialogs
@@ -29,7 +29,7 @@ import android.view.View
 import android.widget.CompoundButton
 import android.widget.RadioGroup
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.database.SortNodeEnum
+import com.kunzisoft.keepass.database.element.SortNodeEnum
 
 class SortDialogFragment : DialogFragment() {
 
@@ -83,7 +83,7 @@ class SortDialogFragment : DialogFragment() {
                     // Add action buttons
                     .setPositiveButton(android.R.string.ok
                     ) { _, _ -> mListener?.onSortSelected(mSortNodeEnum, mAscending, mGroupsBefore, mRecycleBinBottom) }
-                    .setNegativeButton(R.string.cancel) { _, _ -> }
+                    .setNegativeButton(android.R.string.cancel) { _, _ -> }
 
             val ascendingView = rootView.findViewById<CompoundButton>(R.id.sort_selection_ascending)
             // Check if is ascending or descending

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities.dialogs

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities.dialogs

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

@@ -1,7 +1,26 @@
+/*
+ * Copyright 2019 Jeremy Jamet / Kunzisoft.
+ *
+ * This file is part of KeePassDX.
+ *
+ *  KeePassDX is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  KeePassDX is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
 package com.kunzisoft.keepass.activities.helpers
 
-import android.app.Activity
 import android.app.assist.AssistStructure
+import android.content.Context
 import android.content.Intent
 import android.os.Build
 import com.kunzisoft.keepass.autofill.AutofillHelper
@@ -11,10 +30,10 @@ object EntrySelectionHelper {
     private const val EXTRA_ENTRY_SELECTION_MODE = "com.kunzisoft.keepass.extra.ENTRY_SELECTION_MODE"
     private const val DEFAULT_ENTRY_SELECTION_MODE = false
 
-    fun startActivityForEntrySelection(activity: Activity, intent: Intent) {
+    fun startActivityForEntrySelection(context: Context, intent: Intent) {
         addEntrySelectionModeExtraInIntent(intent)
         // only to avoid visible flickering when redirecting
-        activity.startActivity(intent)
+        context.startActivity(intent)
     }
 
     fun addEntrySelectionModeExtraInIntent(intent: Intent) {

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

@@ -1,24 +1,25 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities.helpers
 
+import android.annotation.SuppressLint
 import android.app.Activity
 import android.app.Activity.RESULT_OK
 import android.content.Context
@@ -26,10 +27,10 @@ import android.content.Intent
 import android.content.pm.PackageManager
 import android.net.Uri
 import android.os.Build
-import androidx.fragment.app.Fragment
-import androidx.fragment.app.FragmentActivity
 import android.util.Log
 import android.view.View
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentActivity
 import com.kunzisoft.keepass.activities.dialogs.BrowserDialogFragment
 import com.kunzisoft.keepass.utils.UriUtil
 
@@ -39,7 +40,7 @@ class OpenFileHelper {
     private var fragment: Fragment? = null
 
     val openFileOnClickViewListener: OpenFileOnClickViewListener
-        get() = OpenFileOnClickViewListener(null)
+        get() = OpenFileOnClickViewListener()
 
     constructor(context: Activity) {
         this.activity = context
@@ -51,7 +52,7 @@ class OpenFileHelper {
         this.fragment = context
     }
 
-    inner class OpenFileOnClickViewListener(private val dataUri: (() -> Uri?)?) : View.OnClickListener {
+    inner class OpenFileOnClickViewListener : View.OnClickListener {
 
         override fun onClick(v: View) {
             try {
@@ -62,58 +63,50 @@ class OpenFileHelper {
                 }
             } catch (e: Exception) {
                 Log.e(TAG, "Enable to start the file picker activity", e)
-
-                // Open File picker if can't open activity
-                if (lookForOpenIntentsFilePicker(dataUri?.invoke()))
+                // Open browser dialog
+                if (lookForOpenIntentsFilePicker())
                     showBrowserDialog()
             }
         }
     }
 
+    @SuppressLint("InlinedApi")
     private fun openActivityWithActionOpenDocument() {
-        val i = Intent(ACTION_OPEN_DOCUMENT)
-        i.addCategory(Intent.CATEGORY_OPENABLE)
-        i.type = "*/*"
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-            i.flags = Intent.FLAG_GRANT_READ_URI_PERMISSION or
-                    Intent.FLAG_GRANT_WRITE_URI_PERMISSION or
-                    Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION
-        } else {
-            i.flags = Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+        val intentOpenDocument = Intent(APP_ACTION_OPEN_DOCUMENT).apply {
+            addCategory(Intent.CATEGORY_OPENABLE)
+            type = "*/*"
+            flags = Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION or
+                    Intent.FLAG_GRANT_PREFIX_URI_PERMISSION or
+                    Intent.FLAG_GRANT_READ_URI_PERMISSION or
+                    Intent.FLAG_GRANT_WRITE_URI_PERMISSION
         }
         if (fragment != null)
-            fragment?.startActivityForResult(i, OPEN_DOC)
+            fragment?.startActivityForResult(intentOpenDocument, OPEN_DOC)
         else
-            activity?.startActivityForResult(i, OPEN_DOC)
+            activity?.startActivityForResult(intentOpenDocument, OPEN_DOC)
     }
 
+    @SuppressLint("InlinedApi")
     private fun openActivityWithActionGetContent() {
-        val i = Intent(Intent.ACTION_GET_CONTENT)
-        i.addCategory(Intent.CATEGORY_OPENABLE)
-        i.type = "*/*"
+        val intentGetContent = Intent(Intent.ACTION_GET_CONTENT).apply {
+            addCategory(Intent.CATEGORY_OPENABLE)
+            type = "*/*"
+            flags = Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION or
+                    Intent.FLAG_GRANT_PREFIX_URI_PERMISSION or
+                    Intent.FLAG_GRANT_READ_URI_PERMISSION or
+                    Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+        }
         if (fragment != null)
-            fragment?.startActivityForResult(i, GET_CONTENT)
+            fragment?.startActivityForResult(intentGetContent, GET_CONTENT)
         else
-            activity?.startActivityForResult(i, GET_CONTENT)
+            activity?.startActivityForResult(intentGetContent, GET_CONTENT)
     }
 
-    fun getOpenFileOnClickViewListener(dataUri: () -> Uri?): OpenFileOnClickViewListener {
-        return OpenFileOnClickViewListener(dataUri)
-    }
-
-    private fun lookForOpenIntentsFilePicker(dataUri: Uri?): Boolean {
+    private fun lookForOpenIntentsFilePicker(): Boolean {
         var showBrowser = false
         try {
             if (isIntentAvailable(activity!!, OPEN_INTENTS_FILE_BROWSE)) {
                 val intent = Intent(OPEN_INTENTS_FILE_BROWSE)
-                // Get file path parent if possible
-                if (dataUri != null
-                        && dataUri.toString().isNotEmpty()
-                        && dataUri.scheme == "file") {
-                    intent.data = dataUri
-                } else {
-                    Log.w(javaClass.name, "Unable to read the URI")
-                }
                 if (fragment != null)
                     fragment?.startActivityForResult(intent, FILE_BROWSE)
                 else
@@ -190,22 +183,19 @@ class OpenFileHelper {
             GET_CONTENT, OPEN_DOC -> {
                 if (resultCode == RESULT_OK) {
                     if (data != null) {
-                        var uri = data.data
+                        val uri = data.data
                         if (uri != null) {
                             try {
                                 // try to persist read and write permissions
                                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
                                     activity?.contentResolver?.apply {
-                                        takePersistableUriPermission(uri!!, Intent.FLAG_GRANT_READ_URI_PERMISSION)
-                                        takePersistableUriPermission(uri!!, Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
+                                        takePersistableUriPermission(uri, Intent.FLAG_GRANT_READ_URI_PERMISSION)
+                                        takePersistableUriPermission(uri, Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
                                     }
                                 }
                             } catch (e: Exception) {
                                 // nop
                             }
-                            if (requestCode == GET_CONTENT) {
-                                uri = UriUtil.translateUri(activity!!, uri)
-                            }
                             keyFileCallback?.invoke(uri)
                         }
                     }
@@ -220,15 +210,10 @@ class OpenFileHelper {
 
         private const val TAG = "OpenFileHelper"
 
-        private var ACTION_OPEN_DOCUMENT: String
-
-        init {
-            ACTION_OPEN_DOCUMENT = try {
-                val openDocument = Intent::class.java.getField("ACTION_OPEN_DOCUMENT")
-                openDocument.get(null) as String
-            } catch (e: Exception) {
-                "android.intent.action.OPEN_DOCUMENT"
-            }
+        private var APP_ACTION_OPEN_DOCUMENT: String = try {
+            Intent::class.java.getField("ACTION_OPEN_DOCUMENT").get(null) as String
+        } catch (e: Exception) {
+            "android.intent.action.OPEN_DOCUMENT"
         }
 
         const val OPEN_INTENTS_FILE_BROWSE = "org.openintents.action.PICK_FILE"

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

@@ -1,3 +1,22 @@
+/*
+ * Copyright 2019 Jeremy Jamet / Kunzisoft.
+ *
+ * This file is part of KeePassDX.
+ *
+ *  KeePassDX is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  KeePassDX is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
 package com.kunzisoft.keepass.activities.helpers
 
 import android.content.Context

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *     
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities.lock
@@ -32,9 +32,11 @@ import android.view.ViewGroup
 import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
 import com.kunzisoft.keepass.activities.helpers.ReadOnlyHelper
 import com.kunzisoft.keepass.activities.stylish.StylishActivity
+import com.kunzisoft.keepass.database.action.ProgressDialogThread
 import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.notifications.KeyboardEntryNotificationService
 import com.kunzisoft.keepass.magikeyboard.MagikIME
+import com.kunzisoft.keepass.notifications.ClipboardEntryNotificationService
 import com.kunzisoft.keepass.settings.PreferencesUtil
 import com.kunzisoft.keepass.timeout.TimeoutHelper
 import com.kunzisoft.keepass.utils.LOCK_ACTION
@@ -62,6 +64,10 @@ abstract class LockingActivity : StylishActivity() {
             return field || mSelectionMode
         }
     protected var mSelectionMode: Boolean = false
+    protected var mAutoSaveEnable: Boolean = true
+
+    var mProgressDialogThread: ProgressDialogThread? = null
+        private set
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -85,6 +91,8 @@ abstract class LockingActivity : StylishActivity() {
 
         mExitLock = false
         mReadOnly = ReadOnlyHelper.retrieveReadOnlyFromInstanceStateOrIntent(savedInstanceState, intent)
+
+        mProgressDialogThread = ProgressDialogThread(this)
     }
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
@@ -100,8 +108,13 @@ abstract class LockingActivity : StylishActivity() {
     override fun onResume() {
         super.onResume()
 
+        mProgressDialogThread?.registerProgressTask()
+
         // To refresh when back to normal workflow from selection workflow
         mSelectionMode = EntrySelectionHelper.retrieveEntrySelectionModeFromIntent(intent)
+        mAutoSaveEnable = PreferencesUtil.isAutoSaveDatabaseEnabled(this)
+
+        invalidateOptionsMenu()
 
         if (mTimeoutEnable) {
             // End activity if database not loaded
@@ -118,8 +131,6 @@ abstract class LockingActivity : StylishActivity() {
             if (!mExitLock)
                 TimeoutHelper.recordTime(this)
         }
-
-        invalidateOptionsMenu()
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
@@ -129,6 +140,8 @@ abstract class LockingActivity : StylishActivity() {
     }
 
     override fun onPause() {
+        mProgressDialogThread?.unregisterProgressTask()
+
         super.onPause()
 
         if (mTimeoutEnable) {
@@ -199,6 +212,9 @@ fun Activity.lock() {
     stopService(Intent(this, KeyboardEntryNotificationService::class.java))
     MagikIME.removeEntry(this)
 
+    // Stop the notification service
+    stopService(Intent(this, ClipboardEntryNotificationService::class.java))
+
     Log.i(Activity::class.java.name, "Shutdown " + localClassName +
             " after inactivity or manual lock")
     (getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager).apply {

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

@@ -1,55 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *     
- * This file is part of KeePass DX.
- *
- *  KeePass DX 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.
- *
- *  KeePass DX 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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.activities.lock
-
-import android.content.ActivityNotFoundException
-import android.content.Intent
-import android.os.Bundle
-import android.view.WindowManager
-
-/**
- * Locking Hide Activity that sets FLAG_SECURE to prevent screenshots, and from
- * appearing in the recent app preview
- */
-abstract class LockingHideActivity : LockingActivity() {
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-
-        // Several gingerbread devices have problems with FLAG_SECURE
-        window.setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE)
-    }
-
-    /* (non-Javadoc) Workaround for HTC Linkify issues
-	 * @see android.app.Activity#startActivity(android.content.Intent)
-	 */
-    override fun startActivity(intent: Intent) {
-        try {
-            if (intent.component != null && intent.component!!.shortClassName == ".HtcLinkifyDispatcherActivity") {
-                intent.component = null
-            }
-            super.startActivity(intent)
-        } catch (e: ActivityNotFoundException) {
-            /* Catch the bad HTC implementation case */
-            super.startActivity(Intent.createChooser(intent, null))
-        }
-
-    }
-}

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities.stylish
@@ -61,6 +61,7 @@ object Stylish {
 
         return when (themeString) {
             context.getString(R.string.list_style_name_night) -> R.style.KeepassDXStyle_Night
+            context.getString(R.string.list_style_name_black) -> R.style.KeepassDXStyle_Black
             context.getString(R.string.list_style_name_dark) -> R.style.KeepassDXStyle_Dark
             context.getString(R.string.list_style_name_blue) -> R.style.KeepassDXStyle_Blue
             context.getString(R.string.list_style_name_red) -> R.style.KeepassDXStyle_Red

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

@@ -1,38 +1,63 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities.stylish
 
+import android.content.ActivityNotFoundException
+import android.content.Intent
 import android.os.Bundle
 import androidx.annotation.StyleRes
 import androidx.appcompat.app.AppCompatActivity
 import android.util.Log
+import android.view.WindowManager
 
+/**
+ * Stylish Hide Activity that apply a dynamic style and sets FLAG_SECURE to prevent screenshots / from
+ * appearing in the recent app preview
+ */
 abstract class StylishActivity : AppCompatActivity() {
 
     @StyleRes
     private var themeId: Int = 0
 
+    /* (non-Javadoc) Workaround for HTC Linkify issues
+     * @see android.app.Activity#startActivity(android.content.Intent)
+     */
+    override fun startActivity(intent: Intent) {
+        try {
+            if (intent.component != null && intent.component!!.shortClassName == ".HtcLinkifyDispatcherActivity") {
+                intent.component = null
+            }
+            super.startActivity(intent)
+        } catch (e: ActivityNotFoundException) {
+            /* Catch the bad HTC implementation case */
+            super.startActivity(Intent.createChooser(intent, null))
+        }
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         this.themeId = Stylish.getThemeId(this)
         setTheme(themeId)
+
+        // Several gingerbread devices have problems with FLAG_SECURE
+        window.setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE)
     }
 
     override fun onResume() {

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.activities.stylish

app/src/main/java/com/kunzisoft/keepass/adapters/EntryAttachmentsAdapter.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.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.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
+
+    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 (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/EntryHistoryAdapter.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.adapters
+
+import android.content.Context
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.database.element.Entry
+
+class EntryHistoryAdapter(val context: Context) : RecyclerView.Adapter<EntryHistoryAdapter.EntryHistoryViewHolder>() {
+
+    private val inflater: LayoutInflater = LayoutInflater.from(context)
+    var entryHistoryList: MutableList<Entry> = ArrayList()
+    var onItemClickListener: ((item: Entry, position: Int)->Unit)? = null
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): EntryHistoryViewHolder {
+        return EntryHistoryViewHolder(inflater.inflate(R.layout.item_list_entry_history, parent, false))
+    }
+
+    override fun onBindViewHolder(holder: EntryHistoryViewHolder, position: Int) {
+        val entryHistory = entryHistoryList[position]
+
+        holder.lastModifiedView.text = entryHistory.lastModificationTime.getDateTimeString(context.resources)
+        holder.titleView.text = entryHistory.title
+        holder.usernameView.text = entryHistory.username
+        holder.urlView.text = entryHistory.url
+
+        holder.itemView.setOnClickListener {
+            onItemClickListener?.invoke(entryHistory, position)
+        }
+    }
+
+    override fun getItemCount(): Int {
+        return entryHistoryList.size
+    }
+
+    fun clear() {
+        entryHistoryList.clear()
+    }
+
+    inner class EntryHistoryViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+
+        var lastModifiedView: TextView = itemView.findViewById(R.id.entry_history_last_modified)
+        var titleView: TextView = itemView.findViewById(R.id.entry_history_title)
+        var usernameView: TextView = itemView.findViewById(R.id.entry_history_username)
+        var urlView: TextView = itemView.findViewById(R.id.entry_history_url)
+    }
+}

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

@@ -1,3 +1,22 @@
+/*
+ * 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
@@ -15,10 +34,9 @@ import java.util.ArrayList
 class FieldsAdapter(context: Context) : RecyclerView.Adapter<FieldsAdapter.FieldViewHolder>() {
 
     private val inflater: LayoutInflater = LayoutInflater.from(context)
-    var fields: MutableList<Field> = ArrayList()
+    private var fields: MutableList<Field> = ArrayList()
     var onItemClickListener: OnItemClickListener? = null
 
-
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): FieldViewHolder {
         val view = inflater.inflate(R.layout.keyboard_popup_fields_item, parent, false)
         return FieldViewHolder(view)
@@ -34,6 +52,11 @@ class FieldsAdapter(context: Context) : RecyclerView.Adapter<FieldsAdapter.Field
         return fields.size
     }
 
+    fun setFields(fieldsToAdd: List<Field>) {
+        fields.clear()
+        fields.addAll(fieldsToAdd)
+    }
+
     fun clear() {
         fields.clear()
     }

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.adapters

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

@@ -1,50 +1,59 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.adapters
 
 import android.content.Context
 import android.graphics.Color
-import androidx.recyclerview.widget.SortedList
-import androidx.recyclerview.widget.RecyclerView
-import androidx.recyclerview.widget.SortedListAdapterCallback
+import android.graphics.Paint
 import android.util.Log
 import android.util.TypedValue
-import android.view.*
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
 import android.widget.ImageView
 import android.widget.TextView
 import android.widget.Toast
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.SortedList
+import androidx.recyclerview.widget.SortedListAdapterCallback
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.database.SortNodeEnum
-import com.kunzisoft.keepass.database.element.*
+import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.database.element.Entry
+import com.kunzisoft.keepass.database.element.Group
+import com.kunzisoft.keepass.database.element.SortNodeEnum
+import com.kunzisoft.keepass.database.element.node.Node
+import com.kunzisoft.keepass.database.element.node.Type
 import com.kunzisoft.keepass.icons.assignDatabaseIcon
 import com.kunzisoft.keepass.settings.PreferencesUtil
+import com.kunzisoft.keepass.view.strikeOut
+import java.util.*
 
 class NodeAdapter
 /**
  * Create node list adapter with contextMenu or not
  * @param context Context to use
  */
-(private val context: Context, private val menuInflater: MenuInflater)
+(private val context: Context)
     : RecyclerView.Adapter<NodeAdapter.NodeViewHolder>() {
 
-    private val nodeSortedList: SortedList<NodeVersioned>
+    private val nodeSortedList: SortedList<Node>
     private val inflater: LayoutInflater = LayoutInflater.from(context)
 
     private var calculateViewTypeTextSize = Array(2) { true} // number of view type
@@ -60,12 +69,10 @@ class NodeAdapter
     private var recycleBinBottomSort: Boolean = true
     private var showUserNames: Boolean = true
     private var showNumberEntries: Boolean = true
+    private var entryFilters = arrayOf<Group.ChildFilter>()
 
+    private var actionNodesList = LinkedList<Node>()
     private var nodeClickCallback: NodeClickCallback? = null
-    private var nodeMenuListener: NodeMenuListener? = null
-    private var activateContextMenu: Boolean = false
-    private var readOnly: Boolean = false
-    private var isASearchResult: Boolean = false
 
     private val mDatabase: Database
 
@@ -81,22 +88,19 @@ class NodeAdapter
 
     init {
         assignPreferences()
-        this.activateContextMenu = false
-        this.readOnly = false
-        this.isASearchResult = false
 
-        this.nodeSortedList = SortedList(NodeVersioned::class.java, object : SortedListAdapterCallback<NodeVersioned>(this) {
-            override fun compare(item1: NodeVersioned, item2: NodeVersioned): Int {
+        this.nodeSortedList = SortedList(Node::class.java, object : SortedListAdapterCallback<Node>(this) {
+            override fun compare(item1: Node, item2: Node): Int {
                 return listSort.getNodeComparator(ascendingSort, groupsBeforeSort, recycleBinBottomSort).compare(item1, item2)
             }
 
-            override fun areContentsTheSame(oldItem: NodeVersioned, newItem: NodeVersioned): Boolean {
+            override fun areContentsTheSame(oldItem: Node, newItem: Node): Boolean {
                 return oldItem.type == newItem.type
                         && oldItem.title == newItem.title
                         && oldItem.icon == newItem.icon
             }
 
-            override fun areItemsTheSame(item1: NodeVersioned, item2: NodeVersioned): Boolean {
+            override fun areItemsTheSame(item1: Node, item2: Node): Boolean {
                 return item1 == item2
             }
         })
@@ -114,18 +118,6 @@ class NodeAdapter
         taTextColor.recycle()
     }
 
-    fun setReadOnly(readOnly: Boolean) {
-        this.readOnly = readOnly
-    }
-
-    fun setIsASearchResult(isASearchResult: Boolean) {
-        this.isASearchResult = isASearchResult
-    }
-
-    fun setActivateContextMenu(activate: Boolean) {
-        this.activateContextMenu = activate
-    }
-
     private fun assignPreferences() {
         this.prefTextSize = PreferencesUtil.getListTextSize(context)
         this.infoTextSize = context.resources.getDimension(R.dimen.list_medium_size_default) * prefTextSize
@@ -140,6 +132,8 @@ class NodeAdapter
         this.showUserNames = PreferencesUtil.showUsernamesListEntries(context)
         this.showNumberEntries = PreferencesUtil.showNumberEntries(context)
 
+        this.entryFilters = Group.ChildFilter.getDefaults(context)
+
         // Reinit textSize for all view type
         calculateViewTypeTextSize.forEachIndexed { index, _ -> calculateViewTypeTextSize[index] = true }
     }
@@ -147,18 +141,19 @@ class NodeAdapter
     /**
      * Rebuild the list by clear and build children from the group
      */
-    fun rebuildList(group: GroupVersioned) {
+    fun rebuildList(group: Group) {
         this.nodeSortedList.clear()
         assignPreferences()
         try {
-            this.nodeSortedList.addAll(group.getChildren())
+            this.nodeSortedList.addAll(group.getChildren(*entryFilters))
         } catch (e: Exception) {
             Log.e(TAG, "Can't add node elements to the list", e)
             Toast.makeText(context, "Can't add node elements to the list : " + e.message, Toast.LENGTH_LONG).show()
         }
+        notifyDataSetChanged()
     }
 
-    fun contains(node: NodeVersioned): Boolean {
+    fun contains(node: Node): Boolean {
         return nodeSortedList.indexOf(node) != SortedList.INVALID_POSITION
     }
 
@@ -166,23 +161,55 @@ class NodeAdapter
      * Add a node to the list
      * @param node Node to add
      */
-    fun addNode(node: NodeVersioned) {
+    fun addNode(node: Node) {
         nodeSortedList.add(node)
     }
 
+    /**
+     * Add nodes to the list
+     * @param nodes Nodes to add
+     */
+    fun addNodes(nodes: List<Node>) {
+        nodeSortedList.addAll(nodes)
+    }
+
     /**
      * Remove a node in the list
      * @param node Node to delete
      */
-    fun removeNode(node: NodeVersioned) {
+    fun removeNode(node: Node) {
         nodeSortedList.remove(node)
     }
 
+    /**
+     * Remove nodes in the list
+     * @param nodes Nodes to delete
+     */
+    fun removeNodes(nodes: List<Node>) {
+        nodes.forEach { node ->
+            nodeSortedList.remove(node)
+        }
+    }
+
     /**
      * Remove a node at [position] in the list
      */
     fun removeNodeAt(position: Int) {
         nodeSortedList.removeItemAt(position)
+        // Refresh all the next items
+        notifyItemRangeChanged(position, nodeSortedList.size() - position)
+    }
+
+    /**
+     * Remove nodes in the list by [positions]
+     * Note : algorithm remove the higher position at each iteration
+     */
+    fun removeNodesAt(positions: IntArray) {
+        val positionsSortDescending = positions.toMutableList()
+        positionsSortDescending.sortDescending()
+        positionsSortDescending.forEach {
+            removeNodeAt(it)
+        }
     }
 
     /**
@@ -190,13 +217,47 @@ class NodeAdapter
      * @param oldNode Node before the update
      * @param newNode Node after the update
      */
-    fun updateNode(oldNode: NodeVersioned, newNode: NodeVersioned) {
+    fun updateNode(oldNode: Node, newNode: Node) {
         nodeSortedList.beginBatchedUpdates()
         nodeSortedList.remove(oldNode)
         nodeSortedList.add(newNode)
         nodeSortedList.endBatchedUpdates()
     }
 
+    /**
+     * Update nodes in the list
+     * @param oldNodes Nodes before the update
+     * @param newNodes Node after the update
+     */
+    fun updateNodes(oldNodes: List<Node>, newNodes: List<Node>) {
+        nodeSortedList.beginBatchedUpdates()
+        oldNodes.forEach { oldNode ->
+            nodeSortedList.remove(oldNode)
+        }
+        nodeSortedList.addAll(newNodes)
+        nodeSortedList.endBatchedUpdates()
+    }
+
+    fun notifyNodeChanged(node: Node) {
+        notifyItemChanged(nodeSortedList.indexOf(node))
+    }
+
+    fun setActionNodes(actionNodes: List<Node>) {
+        this.actionNodesList.apply {
+            clear()
+            addAll(actionNodes)
+        }
+    }
+
+    fun unselectActionNodes() {
+        actionNodesList.forEach {
+            notifyItemChanged(nodeSortedList.indexOf(it))
+        }
+        this.actionNodesList.apply {
+            clear()
+        }
+    }
+
     /**
      * Notify a change sort of the list
      */
@@ -234,46 +295,45 @@ class NodeAdapter
                 width = iconSize.toInt()
             }
         }
+
         // Assign text
         holder.text.apply {
             text = subNode.title
             setTextSize(textSizeUnit, infoTextSize)
+            strikeOut(subNode.isCurrentlyExpires)
         }
-        // Assign click
-        holder.container.setOnClickListener { nodeClickCallback?.onNodeClick(subNode) }
-        // Context menu
-        if (activateContextMenu) {
-            holder.container.setOnCreateContextMenuListener(
-                    ContextMenuBuilder(menuInflater, subNode, readOnly, isASearchResult, nodeMenuListener))
-        }
-
         // Add subText with username
         holder.subText.apply {
             text = ""
+            strikeOut(subNode.isCurrentlyExpires)
             visibility = View.GONE
-            if (subNode.type == Type.ENTRY) {
-                val entry = subNode as EntryVersioned
+        }
 
-                mDatabase.startManageEntry(entry)
-
-                holder.text.text = entry.getVisualTitle()
+        // Specific elements for entry
+        if (subNode.type == Type.ENTRY) {
+            val entry = subNode as Entry
+            mDatabase.startManageEntry(entry)
 
+            holder.text.text = entry.getVisualTitle()
+            holder.subText.apply {
                 val username = entry.username
                 if (showUserNames && username.isNotEmpty()) {
                     visibility = View.VISIBLE
                     text = username
                     setTextSize(textSizeUnit, subtextSize)
                 }
-
-                mDatabase.stopManageEntry(entry)
             }
+
+            mDatabase.stopManageEntry(entry)
         }
 
         // Add number of entries in groups
         if (subNode.type == Type.GROUP) {
             if (showNumberEntries) {
                 holder.numberChildren?.apply {
-                    text = (subNode as GroupVersioned).getChildEntries(true).size.toString()
+                    text = (subNode as Group)
+                            .getChildEntries(*entryFilters)
+                            .size.toString()
                     setTextSize(textSizeUnit, numberChildrenTextSize)
                     visibility = View.VISIBLE
                 }
@@ -281,8 +341,19 @@ class NodeAdapter
                 holder.numberChildren?.visibility = View.GONE
             }
         }
+
+        // Assign click
+        holder.container.setOnClickListener {
+            nodeClickCallback?.onNodeClick(subNode)
+        }
+        holder.container.setOnLongClickListener {
+            nodeClickCallback?.onNodeLongClick(subNode) ?: false
+        }
+
+        holder.container.isSelected = actionNodesList.contains(subNode)
     }
 
+    
     override fun getItemCount(): Int {
         return nodeSortedList.size()
     }
@@ -294,103 +365,12 @@ class NodeAdapter
         this.nodeClickCallback = nodeClickCallback
     }
 
-    /**
-     * Assign a listener when an element of menu is clicked
-     */
-    fun setNodeMenuListener(nodeMenuListener: NodeMenuListener?) {
-        this.nodeMenuListener = nodeMenuListener
-    }
-
     /**
      * Callback listener to redefine to do an action when a node is click
      */
     interface NodeClickCallback {
-        fun onNodeClick(node: NodeVersioned)
-    }
-
-    /**
-     * Menu listener to redefine to do an action in menu
-     */
-    interface NodeMenuListener {
-        fun onOpenMenuClick(node: NodeVersioned): Boolean
-        fun onEditMenuClick(node: NodeVersioned): Boolean
-        fun onCopyMenuClick(node: NodeVersioned): Boolean
-        fun onMoveMenuClick(node: NodeVersioned): Boolean
-        fun onDeleteMenuClick(node: NodeVersioned): Boolean
-    }
-
-    /**
-     * Utility class for menu listener
-     */
-    private class ContextMenuBuilder(val menuInflater: MenuInflater,
-                                     val node: NodeVersioned,
-                                     val readOnly: Boolean,
-                                     val isASearchResult: Boolean,
-                                     val menuListener: NodeMenuListener?)
-        : View.OnCreateContextMenuListener {
-
-        private val mOnMyActionClickListener = MenuItem.OnMenuItemClickListener { item ->
-            if (menuListener == null)
-                return@OnMenuItemClickListener false
-            when (item.itemId) {
-                R.id.menu_open -> menuListener.onOpenMenuClick(node)
-                R.id.menu_edit -> menuListener.onEditMenuClick(node)
-                R.id.menu_copy -> menuListener.onCopyMenuClick(node)
-                R.id.menu_move -> menuListener.onMoveMenuClick(node)
-                R.id.menu_delete -> menuListener.onDeleteMenuClick(node)
-                else -> false
-            }
-        }
-
-        override fun onCreateContextMenu(contextMenu: ContextMenu?,
-                                         view: View?,
-                                         contextMenuInfo: ContextMenu.ContextMenuInfo?) {
-            menuInflater.inflate(R.menu.node_menu, contextMenu)
-
-            // Opening
-            var menuItem = contextMenu?.findItem(R.id.menu_open)
-            menuItem?.setOnMenuItemClickListener(mOnMyActionClickListener)
-
-            val database = Database.getInstance()
-
-            // Edition
-            if (readOnly || node == database.recycleBin) {
-                contextMenu?.removeItem(R.id.menu_edit)
-            } else {
-                menuItem = contextMenu?.findItem(R.id.menu_edit)
-                menuItem?.setOnMenuItemClickListener(mOnMyActionClickListener)
-            }
-
-            // Copy (not for group)
-            if (readOnly
-                    || isASearchResult
-                    || node == database.recycleBin
-                    || node.type == Type.GROUP) {
-                // TODO COPY For Group
-                contextMenu?.removeItem(R.id.menu_copy)
-            } else {
-                menuItem = contextMenu?.findItem(R.id.menu_copy)
-                menuItem?.setOnMenuItemClickListener(mOnMyActionClickListener)
-            }
-
-            // Move
-            if (readOnly
-                    || isASearchResult
-                    || node == database.recycleBin) {
-                contextMenu?.removeItem(R.id.menu_move)
-            } else {
-                menuItem = contextMenu?.findItem(R.id.menu_move)
-                menuItem?.setOnMenuItemClickListener(mOnMyActionClickListener)
-            }
-
-            // Deletion
-            if (readOnly || node == database.recycleBin) {
-                contextMenu?.removeItem(R.id.menu_delete)
-            } else {
-                menuItem = contextMenu?.findItem(R.id.menu_delete)
-                menuItem?.setOnMenuItemClickListener(mOnMyActionClickListener)
-            }
-        }
+        fun onNodeClick(node: Node)
+        fun onNodeLongClick(node: Node): Boolean
     }
 
     class NodeViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.adapters
@@ -22,22 +22,20 @@ package com.kunzisoft.keepass.adapters
 import android.content.Context
 import android.database.Cursor
 import android.graphics.Color
-import androidx.cursoradapter.widget.CursorAdapter
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.ImageView
 import android.widget.TextView
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.database.cursor.EntryCursor
 import com.kunzisoft.keepass.database.element.Database
-import com.kunzisoft.keepass.database.element.EntryVersioned
-import com.kunzisoft.keepass.database.element.PwIcon
+import com.kunzisoft.keepass.database.element.Entry
 import com.kunzisoft.keepass.icons.assignDatabaseIcon
 import com.kunzisoft.keepass.settings.PreferencesUtil
-import java.util.*
+import com.kunzisoft.keepass.view.strikeOut
 
-class SearchEntryCursorAdapter(context: Context, private val database: Database)
+class SearchEntryCursorAdapter(private val context: Context,
+                               private val database: Database)
     : androidx.cursoradapter.widget.CursorAdapter(context, null, FLAG_REGISTER_CONTENT_OBSERVER) {
 
     private val cursorInflater: LayoutInflater = context.getSystemService(
@@ -72,34 +70,31 @@ class SearchEntryCursorAdapter(context: Context, private val database: Database)
 
     override fun bindView(view: View, context: Context, cursor: Cursor) {
 
-        // Retrieve elements from cursor
-        val uuid = UUID(cursor.getLong(cursor.getColumnIndex(EntryCursor.COLUMN_INDEX_UUID_MOST_SIGNIFICANT_BITS)),
-                cursor.getLong(cursor.getColumnIndex(EntryCursor.COLUMN_INDEX_UUID_LEAST_SIGNIFICANT_BITS)))
-        val iconFactory = database.iconFactory
-        var icon: PwIcon = iconFactory.getIcon(
-                UUID(cursor.getLong(cursor.getColumnIndex(EntryCursor.COLUMN_INDEX_ICON_CUSTOM_UUID_MOST_SIGNIFICANT_BITS)),
-                        cursor.getLong(cursor.getColumnIndex(EntryCursor.COLUMN_INDEX_ICON_CUSTOM_UUID_LEAST_SIGNIFICANT_BITS))))
-        if (icon.isUnknown) {
-            icon = iconFactory.getIcon(cursor.getInt(cursor.getColumnIndex(EntryCursor.COLUMN_INDEX_ICON_STANDARD)))
-            if (icon.isUnknown)
-                icon = iconFactory.keyIcon
-        }
-        val title = cursor.getString(cursor.getColumnIndex(EntryCursor.COLUMN_INDEX_TITLE))
-        val username = cursor.getString(cursor.getColumnIndex(EntryCursor.COLUMN_INDEX_USERNAME))
-        val url = cursor.getString(cursor.getColumnIndex(EntryCursor.COLUMN_INDEX_URL))
+        database.getEntryFrom(cursor)?.let { currentEntry ->
+            val viewHolder = view.tag as ViewHolder
 
-        val viewHolder = view.tag as ViewHolder
+            // Assign image
+            viewHolder.imageViewIcon?.assignDatabaseIcon(
+                    database.drawFactory,
+                    currentEntry.icon,
+                    iconColor)
 
-        // Assign image
-        viewHolder.imageViewIcon?.assignDatabaseIcon(database.drawFactory, icon, iconColor)
+            // Assign title
+            viewHolder.textViewTitle?.apply {
+                text = currentEntry.getVisualTitle()
+                strikeOut(currentEntry.isCurrentlyExpires)
+            }
 
-        // Assign title
-        val showTitle = EntryVersioned.getVisualTitle(false, title, username, url, uuid.toString())
-        viewHolder.textViewTitle?.text = showTitle
-        if (displayUsername && username.isNotEmpty()) {
-            viewHolder.textViewSubTitle?.text = String.format("(%s)", username)
-        } else {
-            viewHolder.textViewSubTitle?.text = ""
+            // Assign subtitle
+            viewHolder.textViewSubTitle?.apply {
+                val entryUsername = currentEntry.username
+                text = if (displayUsername && entryUsername.isNotEmpty()) {
+                    String.format("(%s)", entryUsername)
+                } else {
+                    ""
+                }
+                strikeOut(currentEntry.isCurrentlyExpires)
+            }
         }
     }
 
@@ -110,11 +105,11 @@ class SearchEntryCursorAdapter(context: Context, private val database: Database)
     }
 
     override fun runQueryOnBackgroundThread(constraint: CharSequence): Cursor? {
-        return database.searchEntries(constraint.toString())
+        return database.searchEntries(context, constraint.toString())
     }
 
-    fun getEntryFromPosition(position: Int): EntryVersioned? {
-        var pwEntry: EntryVersioned? = null
+    fun getEntryFromPosition(position: Int): Entry? {
+        var pwEntry: Entry? = null
 
         val cursor = this.cursor
         if (cursor.moveToFirst() && cursor.move(position)) {

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.app

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

@@ -1,3 +1,22 @@
+/*
+ * 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.app.database
 
 import android.os.AsyncTask

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

@@ -1,3 +1,22 @@
+/*
+ * 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.app.database
 
 import androidx.room.Database

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

@@ -1,3 +1,22 @@
+/*
+ * 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.app.database
 
 import android.content.Context

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

@@ -1,3 +1,22 @@
+/*
+ * 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.app.database
 
 import androidx.room.*

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

@@ -1,5 +1,26 @@
+/*
+ * 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.app.database
 
+import android.os.Parcel
+import android.os.Parcelable
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
@@ -15,7 +36,33 @@ data class CipherDatabaseEntity(
 
         @ColumnInfo(name = "specs_parameters")
         var specParameters: String
-) {
+): Parcelable {
+
+    constructor(parcel: Parcel) : this(
+            parcel.readString()!!,
+            parcel.readString()!!,
+            parcel.readString()!!)
+
+    override fun writeToParcel(parcel: Parcel, flags: Int) {
+        parcel.writeString(databaseUri)
+        parcel.writeString(encryptedValue)
+        parcel.writeString(specParameters)
+    }
+
+    override fun describeContents(): Int {
+        return 0
+    }
+
+    companion object CREATOR : Parcelable.Creator<CipherDatabaseEntity> {
+        override fun createFromParcel(parcel: Parcel): CipherDatabaseEntity {
+            return CipherDatabaseEntity(parcel)
+        }
+
+        override fun newArray(size: Int): Array<CipherDatabaseEntity?> {
+            return arrayOfNulls(size)
+        }
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) return true
         if (javaClass != other?.javaClass) return false

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *     
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.app.database

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

@@ -1,3 +1,22 @@
+/*
+ * 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.app.database
 
 import androidx.room.*
@@ -19,7 +38,7 @@ interface FileDatabaseHistoryDao {
     @Delete
     fun delete(fileDatabaseHistory: FileDatabaseHistoryEntity): Int
 
-    @Query("REPLACE INTO file_database_history(keyfile_uri) VALUES(null)")
+    @Query("UPDATE file_database_history SET keyfile_uri=null")
     fun deleteAllKeyFiles()
 
     @Query("DELETE FROM file_database_history")

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

@@ -1,3 +1,22 @@
+/*
+ * 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.app.database
 
 import androidx.room.ColumnInfo

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.autofill

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.autofill

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.autofill

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  */
 package com.kunzisoft.keepass.autofill
 

app/src/main/java/com/kunzisoft/keepass/backup/SettingsBackupAgent.kt

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.backup

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

@@ -1,13 +1,35 @@
+/*
+ * 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.biometric
 
+import android.content.Intent
 import android.net.Uri
 import android.os.Build
+import android.provider.Settings
 import android.util.Log
 import android.view.Menu
 import android.view.MenuInflater
 import android.widget.CompoundButton
 import android.widget.TextView
 import androidx.annotation.RequiresApi
+import androidx.biometric.BiometricConstants
 import androidx.biometric.BiometricManager
 import androidx.biometric.BiometricPrompt
 import androidx.fragment.app.FragmentActivity
@@ -19,12 +41,12 @@ import com.kunzisoft.keepass.view.AdvancedUnlockInfoView
 @RequiresApi(api = Build.VERSION_CODES.M)
 class AdvancedUnlockedManager(var context: FragmentActivity,
                               var databaseFileUri: Uri,
-                              var advancedUnlockInfoView: AdvancedUnlockInfoView?,
-                              var checkboxPasswordView: CompoundButton?,
-                              var onCheckedPasswordChangeListener: CompoundButton.OnCheckedChangeListener? = null,
+                              private var advancedUnlockInfoView: AdvancedUnlockInfoView?,
+                              private var checkboxPasswordView: CompoundButton?,
+                              private var onCheckedPasswordChangeListener: CompoundButton.OnCheckedChangeListener? = null,
                               var passwordView: TextView?,
-                              var loadDatabaseAfterRegisterCredentials: (encryptedPassword: String?, ivSpec: String?) -> Unit,
-                              var loadDatabaseAfterRetrieveCredentials: (decryptedPassword: String?) -> Unit)
+                              private var loadDatabaseAfterRegisterCredentials: (encryptedPassword: String?, ivSpec: String?) -> Unit,
+                              private var loadDatabaseAfterRetrieveCredentials: (decryptedPassword: String?) -> Unit)
     : BiometricUnlockDatabaseHelper.BiometricUnlockCallback {
 
     private var biometricUnlockDatabaseHelper: BiometricUnlockDatabaseHelper? = null
@@ -34,65 +56,59 @@ class AdvancedUnlockedManager(var context: FragmentActivity,
 
     private var cipherDatabaseAction = CipherDatabaseAction.getInstance(context.applicationContext)
 
-    // fingerprint related code here
-    fun initBiometric() {
-
-        // Check if fingerprint well init (be called the first time the fingerprint is configured
-        // and the activity still active)
-        if (biometricUnlockDatabaseHelper == null || !biometricUnlockDatabaseHelper!!.isFingerprintInitialized) {
-
-            biometricUnlockDatabaseHelper = BiometricUnlockDatabaseHelper(context, this)
-            // callback for fingerprint findings
-            biometricUnlockDatabaseHelper?.setAuthenticationCallback(biometricCallback)
-        }
-
+    init {
         // Add a check listener to change fingerprint mode
         checkboxPasswordView?.setOnCheckedChangeListener { compoundButton, checked ->
-
             checkBiometricAvailability()
-
             // Add old listener to enable the button, only be call here because of onCheckedChange bug
             onCheckedPasswordChangeListener?.onCheckedChanged(compoundButton, checked)
         }
-
-        checkBiometricAvailability()
     }
 
-    @Synchronized
+    /**
+     * Check biometric availability and change the current mode depending of device's state
+     */
     fun checkBiometricAvailability() {
 
-        // fingerprint not supported (by API level or hardware) so keep option hidden
+        // biometric not supported (by API level or hardware) so keep option hidden
         // or manually disable
         val biometricCanAuthenticate = BiometricManager.from(context).canAuthenticate()
 
         if (!PreferencesUtil.isBiometricUnlockEnable(context)
                 || biometricCanAuthenticate == BiometricManager.BIOMETRIC_ERROR_HW_UNAVAILABLE
                 || biometricCanAuthenticate == BiometricManager.BIOMETRIC_ERROR_NO_HARDWARE) {
-
             toggleMode(Mode.UNAVAILABLE)
-
         } else {
-
-            // fingerprint is available but not configured, show icon but in disabled state with some information
+            // biometric is available but not configured, show icon but in disabled state with some information
             if (biometricCanAuthenticate == BiometricManager.BIOMETRIC_ERROR_NONE_ENROLLED) {
-
-                toggleMode(Mode.NOT_CONFIGURED)
-
+                toggleMode(Mode.BIOMETRIC_NOT_CONFIGURED)
             } else {
-                if (checkboxPasswordView?.isChecked == true) {
-                    // listen for encryption
-                    toggleMode(Mode.STORE)
+                // Check if fingerprint well init (be called the first time the fingerprint is configured
+                // and the activity still active)
+                if (biometricUnlockDatabaseHelper?.isKeyManagerInitialized != true) {
+                    biometricUnlockDatabaseHelper = BiometricUnlockDatabaseHelper(context)
+                    // callback for fingerprint findings
+                    biometricUnlockDatabaseHelper?.biometricUnlockCallback = this
+                    biometricUnlockDatabaseHelper?.authenticationCallback = biometricAuthenticationCallback
+                }
+                // Recheck to change the mode
+                if (biometricUnlockDatabaseHelper?.isKeyManagerInitialized != true) {
+                    toggleMode(Mode.KEY_MANAGER_UNAVAILABLE)
                 } else {
-                    cipherDatabaseAction.containsCipherDatabase(databaseFileUri) {
-
-                        // fingerprint available but no stored password found yet for this DB so show info don't listen
-                        toggleMode( if (it) {
-                            // listen for decryption
-                            Mode.OPEN
-                        } else {
-                            // wait for typing
-                            Mode.WAIT_CREDENTIAL
-                        })
+                    if (checkboxPasswordView?.isChecked == true) {
+                        // listen for encryption
+                        toggleMode(Mode.STORE_CREDENTIAL)
+                    } else {
+                        cipherDatabaseAction.containsCipherDatabase(databaseFileUri) { containsCipher ->
+                            // biometric available but no stored password found yet for this DB so show info don't listen
+                            toggleMode( if (containsCipher) {
+                                // listen for decryption
+                                Mode.EXTRACT_CREDENTIAL
+                            } else {
+                                // wait for typing
+                                Mode.WAIT_CREDENTIAL
+                            })
+                        }
                     }
                 }
             }
@@ -106,35 +122,41 @@ class AdvancedUnlockedManager(var context: FragmentActivity,
         }
     }
 
-    private val biometricCallback = object : BiometricPrompt.AuthenticationCallback () {
+    private val biometricAuthenticationCallback = object : BiometricPrompt.AuthenticationCallback () {
 
         override fun onAuthenticationError(
                 errorCode: Int,
                 errString: CharSequence) {
-            Log.e(TAG, "Biometric authentication error. Code : $errorCode Error : $errString")
-            setAdvancedUnlockedMessageView(errString.toString())
+            context.runOnUiThread {
+                Log.e(TAG, "Biometric authentication error. Code : $errorCode Error : $errString")
+                setAdvancedUnlockedMessageView(errString.toString())
+            }
         }
 
         override fun onAuthenticationFailed() {
-            Log.e(TAG, "Biometric authentication failed, biometric not recognized")
-            setAdvancedUnlockedMessageView(R.string.biometric_not_recognized)
+            context.runOnUiThread {
+                Log.e(TAG, "Biometric authentication failed, biometric not recognized")
+                setAdvancedUnlockedMessageView(R.string.biometric_not_recognized)
+            }
         }
 
         override fun onAuthenticationSucceeded(result: BiometricPrompt.AuthenticationResult) {
-            when (biometricMode) {
-                Mode.UNAVAILABLE -> {}
-                Mode.PAUSE -> {}
-                Mode.NOT_CONFIGURED -> {}
-                Mode.WAIT_CREDENTIAL -> {}
-                Mode.STORE -> {
-                    // newly store the entered password in encrypted way
-                    biometricUnlockDatabaseHelper?.encryptData(passwordView?.text.toString())
-                }
-                Mode.OPEN -> {
-                    // retrieve the encrypted value from preferences
-                    cipherDatabaseAction.getCipherDatabase(databaseFileUri) {
-                        it?.encryptedValue?.let { value ->
-                            biometricUnlockDatabaseHelper?.decryptData(value)
+            context.runOnUiThread {
+                when (biometricMode) {
+                    Mode.UNAVAILABLE -> {}
+                    Mode.BIOMETRIC_NOT_CONFIGURED -> {}
+                    Mode.KEY_MANAGER_UNAVAILABLE -> {}
+                    Mode.WAIT_CREDENTIAL -> {}
+                    Mode.STORE_CREDENTIAL -> {
+                        // newly store the entered password in encrypted way
+                        biometricUnlockDatabaseHelper?.encryptData(passwordView?.text.toString())
+                    }
+                    Mode.EXTRACT_CREDENTIAL -> {
+                        // retrieve the encrypted value from preferences
+                        cipherDatabaseAction.getCipherDatabase(databaseFileUri) {
+                            it?.encryptedValue?.let { value ->
+                                biometricUnlockDatabaseHelper?.decryptData(value)
+                            }
                         }
                     }
                 }
@@ -145,11 +167,7 @@ class AdvancedUnlockedManager(var context: FragmentActivity,
     private fun initNotAvailable() {
         showFingerPrintViews(false)
 
-        advancedUnlockInfoView?.setIconViewClickListener(null)
-    }
-
-    private fun initPause() {
-        advancedUnlockInfoView?.setIconViewClickListener(null)
+        advancedUnlockInfoView?.setIconViewClickListener(false, null)
     }
 
     private fun initNotConfigured() {
@@ -157,7 +175,19 @@ class AdvancedUnlockedManager(var context: FragmentActivity,
         setAdvancedUnlockedTitleView(R.string.configure_biometric)
         setAdvancedUnlockedMessageView("")
 
-        advancedUnlockInfoView?.setIconViewClickListener(null)
+        advancedUnlockInfoView?.setIconViewClickListener(false) {
+            context.startActivity(Intent(Settings.ACTION_SECURITY_SETTINGS))
+        }
+    }
+
+    private fun initKeyManagerNotAvailable() {
+        showFingerPrintViews(true)
+        setAdvancedUnlockedTitleView(R.string.keystore_not_accessible)
+        setAdvancedUnlockedMessageView("")
+
+        advancedUnlockInfoView?.setIconViewClickListener(false) {
+            context.startActivity(Intent(Settings.ACTION_SECURITY_SETTINGS))
+        }
     }
 
     private fun initWaitData() {
@@ -165,7 +195,19 @@ class AdvancedUnlockedManager(var context: FragmentActivity,
         setAdvancedUnlockedTitleView(R.string.no_credentials_stored)
         setAdvancedUnlockedMessageView("")
 
-        advancedUnlockInfoView?.setIconViewClickListener(null)
+        advancedUnlockInfoView?.setIconViewClickListener(false) {
+            biometricAuthenticationCallback.onAuthenticationError(
+                    BiometricConstants.ERROR_UNABLE_TO_PROCESS
+                    , context.getString(R.string.credential_before_click_biometric_button))
+        }
+    }
+
+    private fun openBiometricPrompt(biometricPrompt: BiometricPrompt?,
+                                    cryptoObject: BiometricPrompt.CryptoObject,
+                                    promptInfo: BiometricPrompt.PromptInfo) {
+        context.runOnUiThread {
+            biometricPrompt?.authenticate(promptInfo, cryptoObject)
+        }
     }
 
     private fun initEncryptData() {
@@ -178,9 +220,7 @@ class AdvancedUnlockedManager(var context: FragmentActivity,
             cryptoObject?.let { crypto ->
                 // Set listener to open the biometric dialog and save credential
                 advancedUnlockInfoView?.setIconViewClickListener { _ ->
-                    context.runOnUiThread {
-                        biometricPrompt?.authenticate(promptInfo, crypto)
-                    }
+                    openBiometricPrompt(biometricPrompt, crypto, promptInfo)
                 }
             }
 
@@ -201,17 +241,13 @@ class AdvancedUnlockedManager(var context: FragmentActivity,
                         cryptoObject?.let { crypto ->
                             // Set listener to open the biometric dialog and check credential
                             advancedUnlockInfoView?.setIconViewClickListener { _ ->
-                                context.runOnUiThread {
-                                    biometricPrompt?.authenticate(promptInfo, crypto)
-                                }
+                                openBiometricPrompt(biometricPrompt, crypto, promptInfo)
                             }
 
                             // Auto open the biometric prompt
                             if (isBiometricPromptAutoOpenEnable) {
                                 isBiometricPromptAutoOpenEnable = false
-                                context.runOnUiThread {
-                                    biometricPrompt?.authenticate(promptInfo, crypto)
-                                }
+                                openBiometricPrompt(biometricPrompt, crypto, promptInfo)
                             }
                         }
 
@@ -225,42 +261,40 @@ class AdvancedUnlockedManager(var context: FragmentActivity,
     fun initBiometricMode() {
         when (biometricMode) {
             Mode.UNAVAILABLE -> initNotAvailable()
-            Mode.PAUSE -> initPause()
-            Mode.NOT_CONFIGURED -> initNotConfigured()
+            Mode.BIOMETRIC_NOT_CONFIGURED -> initNotConfigured()
+            Mode.KEY_MANAGER_UNAVAILABLE -> initKeyManagerNotAvailable()
             Mode.WAIT_CREDENTIAL -> initWaitData()
-            Mode.STORE -> initEncryptData()
-            Mode.OPEN -> initDecryptData()
+            Mode.STORE_CREDENTIAL -> initEncryptData()
+            Mode.EXTRACT_CREDENTIAL -> initDecryptData()
         }
         // Show fingerprint key deletion
         context.invalidateOptionsMenu()
     }
 
-    fun pause() {
-        biometricMode = Mode.PAUSE
-        initBiometricMode()
-    }
-
     fun destroy() {
         // Restore the checked listener
         checkboxPasswordView?.setOnCheckedChangeListener(onCheckedPasswordChangeListener)
-
-        biometricMode = Mode.UNAVAILABLE
-        initBiometricMode()
-        biometricUnlockDatabaseHelper = null
     }
 
+    // Only to fix multiple fingerprint menu #332
+    private var addBiometricMenuInProgress = false
     fun inflateOptionsMenu(menuInflater: MenuInflater, menu: Menu) {
-        cipherDatabaseAction.containsCipherDatabase(databaseFileUri) {
-            if ((biometricMode != Mode.UNAVAILABLE
-                            && biometricMode != Mode.NOT_CONFIGURED) && it)
-                menuInflater.inflate(R.menu.advanced_unlock, menu)
+        if (!addBiometricMenuInProgress) {
+            addBiometricMenuInProgress = true
+            cipherDatabaseAction.containsCipherDatabase(databaseFileUri) {
+                if ((biometricMode != Mode.UNAVAILABLE && biometricMode != Mode.BIOMETRIC_NOT_CONFIGURED)
+                        && it) {
+                    menuInflater.inflate(R.menu.advanced_unlock, menu)
+                    addBiometricMenuInProgress = false
+                }
+            }
         }
     }
 
     fun deleteEntryKey() {
         biometricUnlockDatabaseHelper?.deleteEntryKey()
         cipherDatabaseAction.deleteByDatabaseUri(databaseFileUri)
-        biometricMode = Mode.NOT_CONFIGURED
+        biometricMode = Mode.BIOMETRIC_NOT_CONFIGURED
         checkBiometricAvailability()
     }
 
@@ -306,7 +340,7 @@ class AdvancedUnlockedManager(var context: FragmentActivity,
     }
 
     enum class Mode {
-        UNAVAILABLE, PAUSE, NOT_CONFIGURED, WAIT_CREDENTIAL, STORE, OPEN
+        UNAVAILABLE, BIOMETRIC_NOT_CONFIGURED, KEY_MANAGER_UNAVAILABLE, WAIT_CREDENTIAL, STORE_CREDENTIAL, EXTRACT_CREDENTIAL
     }
 
     companion object {

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

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.biometric
@@ -42,8 +42,7 @@ import javax.crypto.SecretKey
 import javax.crypto.spec.IvParameterSpec
 
 @RequiresApi(api = Build.VERSION_CODES.M)
-class BiometricUnlockDatabaseHelper(private val context: FragmentActivity,
-                                    private val biometricUnlockCallback: BiometricUnlockCallback?) {
+class BiometricUnlockDatabaseHelper(private val context: FragmentActivity) {
 
     private var biometricPrompt: BiometricPrompt? = null
 
@@ -53,35 +52,48 @@ class BiometricUnlockDatabaseHelper(private val context: FragmentActivity,
     private var keyguardManager: KeyguardManager? = null
     private var cryptoObject: BiometricPrompt.CryptoObject? = null
 
-    private var isBiometricInit = false
-    private var authenticationCallback: BiometricPrompt.AuthenticationCallback? = null
+    private var isKeyManagerInit = false
+    var authenticationCallback: BiometricPrompt.AuthenticationCallback? = null
+    var biometricUnlockCallback: BiometricUnlockCallback? = null
 
-    private val promptInfoStoreCredential = BiometricPrompt.PromptInfo.Builder()
-            .setTitle(context.getString(R.string.biometric_prompt_store_credential_title))
-            .setDescription(context.getString(R.string.biometric_prompt_store_credential_message))
-            //.setDeviceCredentialAllowed(true) TODO device credential
-            .setNegativeButtonText(context.getString(android.R.string.cancel))
-            .build()
+    private val promptInfoStoreCredential = BiometricPrompt.PromptInfo.Builder().apply {
+        setTitle(context.getString(R.string.biometric_prompt_store_credential_title))
+        setDescription(context.getString(R.string.biometric_prompt_store_credential_message))
+        setConfirmationRequired(true)
+        // TODO device credential
+        /*
+        if (keyguardManager?.isDeviceSecure == true)
+            setDeviceCredentialAllowed(true)
+        else
+        */
+            setNegativeButtonText(context.getString(android.R.string.cancel))
+    }.build()
 
-    private val promptInfoExtractCredential = BiometricPrompt.PromptInfo.Builder()
-            .setTitle(context.getString(R.string.biometric_prompt_extract_credential_title))
-            .setDescription(context.getString(R.string.biometric_prompt_extract_credential_message))
-            //.setDeviceCredentialAllowed(true)
-            .setNegativeButtonText(context.getString(android.R.string.cancel))
-            .build()
+    private val promptInfoExtractCredential = BiometricPrompt.PromptInfo.Builder().apply {
+        setTitle(context.getString(R.string.biometric_prompt_extract_credential_title))
+        //setDescription(context.getString(R.string.biometric_prompt_extract_credential_message))
+        setConfirmationRequired(false)
+        // TODO device credential
+        /*
+        if (keyguardManager?.isDeviceSecure == true)
+            setDeviceCredentialAllowed(true)
+        else
+         */
+            setNegativeButtonText(context.getString(android.R.string.cancel))
+    }.build()
 
-    val isFingerprintInitialized: Boolean
+    val isKeyManagerInitialized: Boolean
         get() {
-            if (!isBiometricInit && biometricUnlockCallback != null) {
-                biometricUnlockCallback.onBiometricException(Exception("FingerPrint not initialized"))
+            if (!isKeyManagerInit) {
+                biometricUnlockCallback?.onBiometricException(Exception("Biometric not initialized"))
             }
-            return isBiometricInit
+            return isKeyManagerInit
         }
 
     init {
         if (BiometricManager.from(context).canAuthenticate() != BiometricManager.BIOMETRIC_SUCCESS) {
             // really not much to do when no fingerprint support found
-            isBiometricInit = false
+            isKeyManagerInit = false
         } else {
             this.keyguardManager = context.getSystemService(Context.KEYGUARD_SERVICE) as KeyguardManager
 
@@ -93,17 +105,19 @@ class BiometricUnlockDatabaseHelper(private val context: FragmentActivity,
                                 + BIOMETRIC_BLOCKS_MODES + "/"
                                 + BIOMETRIC_ENCRYPTION_PADDING)
                 this.cryptoObject = BiometricPrompt.CryptoObject(cipher!!)
-                isBiometricInit = true
+                isKeyManagerInit = (keyStore != null
+                        && keyGenerator != null
+                        && cipher != null)
             } catch (e: Exception) {
                 Log.e(TAG, "Unable to initialize the keystore", e)
-                isBiometricInit = false
+                isKeyManagerInit = false
                 biometricUnlockCallback?.onBiometricException(e)
             }
         }
     }
 
     private fun getSecretKey(): SecretKey? {
-        if (!isFingerprintInitialized) {
+        if (!isKeyManagerInitialized) {
             return null
         }
         try {
@@ -145,7 +159,7 @@ class BiometricUnlockDatabaseHelper(private val context: FragmentActivity,
                         : (biometricPrompt: BiometricPrompt?,
                            cryptoObject: BiometricPrompt.CryptoObject?,
                            promptInfo: BiometricPrompt.PromptInfo)->Unit) {
-        if (!isFingerprintInitialized) {
+        if (!isKeyManagerInitialized) {
             return
         }
         try {
@@ -158,7 +172,7 @@ class BiometricUnlockDatabaseHelper(private val context: FragmentActivity,
 
         } catch (unrecoverableKeyException: UnrecoverableKeyException) {
             Log.e(TAG, "Unable to initialize encrypt data", unrecoverableKeyException)
-            deleteEntryKey()
+            biometricUnlockCallback?.onInvalidKeyException(unrecoverableKeyException)
         } catch (invalidKeyException: KeyPermanentlyInvalidatedException) {
             Log.e(TAG, "Unable to initialize encrypt data", invalidKeyException)
             biometricUnlockCallback?.onInvalidKeyException(invalidKeyException)
@@ -166,11 +180,10 @@ class BiometricUnlockDatabaseHelper(private val context: FragmentActivity,
             Log.e(TAG, "Unable to initialize encrypt data", e)
             biometricUnlockCallback?.onBiometricException(e)
         }
-
     }
 
     fun encryptData(value: String) {
-        if (!isFingerprintInitialized) {
+        if (!isKeyManagerInitialized) {
             return
         }
         try {
@@ -187,14 +200,13 @@ class BiometricUnlockDatabaseHelper(private val context: FragmentActivity,
             Log.e(TAG, "Unable to encrypt data", e)
             biometricUnlockCallback?.onBiometricException(e)
         }
-
     }
 
     fun initDecryptData(ivSpecValue: String, actionIfCypherInit
             : (biometricPrompt: BiometricPrompt?,
                cryptoObject: BiometricPrompt.CryptoObject?,
                promptInfo: BiometricPrompt.PromptInfo)->Unit) {
-        if (!isFingerprintInitialized) {
+        if (!isKeyManagerInitialized) {
             return
         }
         try {
@@ -219,11 +231,10 @@ class BiometricUnlockDatabaseHelper(private val context: FragmentActivity,
             Log.e(TAG, "Unable to initialize decrypt data", e)
             biometricUnlockCallback?.onBiometricException(e)
         }
-
     }
 
     fun decryptData(encryptedValue: String) {
-        if (!isFingerprintInitialized) {
+        if (!isKeyManagerInitialized) {
             return
         }
         try {
@@ -239,7 +250,6 @@ class BiometricUnlockDatabaseHelper(private val context: FragmentActivity,
             Log.e(TAG, "Unable to decrypt data", e)
             biometricUnlockCallback?.onBiometricException(e)
         }
-
     }
 
     fun deleteEntryKey() {
@@ -252,10 +262,6 @@ class BiometricUnlockDatabaseHelper(private val context: FragmentActivity,
         }
     }
 
-    fun setAuthenticationCallback(authenticationCallback: BiometricPrompt.AuthenticationCallback) {
-        this.authenticationCallback = authenticationCallback
-    }
-
     @Synchronized
     fun initBiometricPrompt() {
         if (biometricPrompt == null) {
@@ -289,22 +295,24 @@ class BiometricUnlockDatabaseHelper(private val context: FragmentActivity,
          * Remove entry key in keystore
          */
         fun deleteEntryKeyInKeystoreForBiometric(context: FragmentActivity,
-                                                 biometricUnlockCallback: BiometricUnlockErrorCallback) {
-            val fingerPrintHelper = BiometricUnlockDatabaseHelper(context, object : BiometricUnlockCallback {
+                                                 biometricCallback: BiometricUnlockErrorCallback) {
+            BiometricUnlockDatabaseHelper(context).apply {
+                biometricUnlockCallback = object : BiometricUnlockCallback {
 
-                override fun handleEncryptedResult(encryptedValue: String, ivSpec: String) {}
+                    override fun handleEncryptedResult(encryptedValue: String, ivSpec: String) {}
 
-                override fun handleDecryptedResult(decryptedValue: String) {}
+                    override fun handleDecryptedResult(decryptedValue: String) {}
 
-                override fun onInvalidKeyException(e: Exception) {
-                    biometricUnlockCallback.onInvalidKeyException(e)
+                    override fun onInvalidKeyException(e: Exception) {
+                        biometricCallback.onInvalidKeyException(e)
+                    }
+
+                    override fun onBiometricException(e: Exception) {
+                        biometricCallback.onBiometricException(e)
+                    }
                 }
-
-                override fun onBiometricException(e: Exception) {
-                    biometricUnlockCallback.onBiometricException(e)
-                }
-            })
-            fingerPrintHelper.deleteEntryKey()
+                deleteEntryKey()
+            }
         }
     }
 

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

@@ -1,62 +1,63 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.biometric
 
 import android.content.Context
-import android.graphics.drawable.Animatable2
-import android.graphics.drawable.AnimatedVectorDrawable
 import android.graphics.drawable.Drawable
 import android.os.Build
 import androidx.annotation.RequiresApi
 import android.widget.ImageView
+import androidx.vectordrawable.graphics.drawable.Animatable2Compat
+import androidx.vectordrawable.graphics.drawable.AnimatedVectorDrawableCompat
 
 import com.kunzisoft.keepass.R
 
 @RequiresApi(api = Build.VERSION_CODES.M)
 class FingerPrintAnimatedVector(context: Context, imageView: ImageView) {
 
-    private val scanFingerprint: AnimatedVectorDrawable =
-            context.getDrawable(R.drawable.scan_fingerprint) as AnimatedVectorDrawable
+    private val scanFingerprint: AnimatedVectorDrawableCompat? =
+            AnimatedVectorDrawableCompat.create(context, R.drawable.scan_fingerprint)
 
     init {
         imageView.setImageDrawable(scanFingerprint)
     }
 
-    private var animationCallback = object : Animatable2.AnimationCallback() {
+    private var animationCallback = object : Animatable2Compat.AnimationCallback() {
         override fun onAnimationEnd(drawable: Drawable) {
-            if (!scanFingerprint.isRunning)
-                scanFingerprint.start()
+            imageView.post {
+                scanFingerprint?.start()
+            }
         }
     }
 
     fun startScan() {
-        scanFingerprint.registerAnimationCallback(animationCallback)
+        scanFingerprint?.registerAnimationCallback(animationCallback)
 
-        if (!scanFingerprint.isRunning)
-            scanFingerprint.start()
+        if (scanFingerprint?.isRunning != true)
+            scanFingerprint?.start()
     }
 
     fun stopScan() {
-        scanFingerprint.unregisterAnimationCallback(animationCallback)
+        scanFingerprint?.unregisterAnimationCallback(animationCallback)
 
-        if (scanFingerprint.isRunning)
+        if (scanFingerprint?.isRunning == true)
             scanFingerprint.stop()
     }
 }

app/src/main/java/com/kunzisoft/keepass/crypto/AESProvider.kt

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto

app/src/main/java/com/kunzisoft/keepass/crypto/CipherFactory.kt

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto

app/src/main/java/com/kunzisoft/keepass/crypto/CrsAlgorithm.kt

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *     
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto

app/src/main/java/com/kunzisoft/keepass/crypto/CryptoUtil.kt

@@ -1,33 +1,31 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto
 
-import com.kunzisoft.keepass.stream.LEDataOutputStream
 import com.kunzisoft.keepass.stream.NullOutputStream
-
+import com.kunzisoft.keepass.stream.longTo8Bytes
 import java.io.IOException
 import java.security.DigestOutputStream
 import java.security.MessageDigest
 import java.security.NoSuchAlgorithmException
-import java.util.Arrays
-
+import java.util.*
 import javax.crypto.Mac
 import kotlin.math.min
 
@@ -60,7 +58,7 @@ object CryptoUtil {
                     throw RuntimeException(e)
                 }
 
-                val pbR = LEDataOutputStream.writeLongBuf(r)
+                val pbR = longTo8Bytes(r)
                 val part = hmac.doFinal(pbR)
 
                 val copy = min(cbOut - pos, part.size)

app/src/main/java/com/kunzisoft/keepass/crypto/NativeAESCipherSpi.java

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto;

app/src/main/java/com/kunzisoft/keepass/crypto/NativeLib.kt

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto

app/src/main/java/com/kunzisoft/keepass/crypto/StreamCipherFactory.kt

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto

app/src/main/java/com/kunzisoft/keepass/crypto/engine/AesEngine.kt

@@ -1,28 +1,28 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto.engine
 
 
 import com.kunzisoft.keepass.crypto.CipherFactory
-import com.kunzisoft.keepass.database.element.PwEncryptionAlgorithm
-import com.kunzisoft.keepass.utils.Types
+import com.kunzisoft.keepass.database.element.security.EncryptionAlgorithm
+import com.kunzisoft.keepass.stream.bytes16ToUuid
 import java.security.InvalidAlgorithmParameterException
 import java.security.InvalidKeyException
 import java.security.NoSuchAlgorithmException
@@ -41,13 +41,28 @@ class AesEngine : CipherEngine() {
         return cipher
     }
 
-    override fun getPwEncryptionAlgorithm(): PwEncryptionAlgorithm {
-        return PwEncryptionAlgorithm.AESRijndael
+    override fun getPwEncryptionAlgorithm(): EncryptionAlgorithm {
+        return EncryptionAlgorithm.AESRijndael
     }
 
     companion object {
 
-        val CIPHER_UUID: UUID = Types.bytestoUUID(
-                byteArrayOf(0x31.toByte(), 0xC1.toByte(), 0xF2.toByte(), 0xE6.toByte(), 0xBF.toByte(), 0x71.toByte(), 0x43.toByte(), 0x50.toByte(), 0xBE.toByte(), 0x58.toByte(), 0x05.toByte(), 0x21.toByte(), 0x6A.toByte(), 0xFC.toByte(), 0x5A.toByte(), 0xFF.toByte()))
+        val CIPHER_UUID: UUID = bytes16ToUuid(
+                byteArrayOf(0x31.toByte(),
+                        0xC1.toByte(),
+                        0xF2.toByte(),
+                        0xE6.toByte(),
+                        0xBF.toByte(),
+                        0x71.toByte(),
+                        0x43.toByte(),
+                        0x50.toByte(),
+                        0xBE.toByte(),
+                        0x58.toByte(),
+                        0x05.toByte(),
+                        0x21.toByte(),
+                        0x6A.toByte(),
+                        0xFC.toByte(),
+                        0x5A.toByte(),
+                        0xFF.toByte()))
     }
 }

app/src/main/java/com/kunzisoft/keepass/crypto/engine/ChaCha20Engine.kt

@@ -1,26 +1,26 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto.engine
 
-import com.kunzisoft.keepass.database.element.PwEncryptionAlgorithm
-import com.kunzisoft.keepass.utils.Types
+import com.kunzisoft.keepass.database.element.security.EncryptionAlgorithm
+import com.kunzisoft.keepass.stream.bytes16ToUuid
 import org.spongycastle.jce.provider.BouncyCastleProvider
 import java.security.InvalidAlgorithmParameterException
 import java.security.InvalidKeyException
@@ -44,13 +44,28 @@ class ChaCha20Engine : CipherEngine() {
         return cipher
     }
 
-    override fun getPwEncryptionAlgorithm(): PwEncryptionAlgorithm {
-        return PwEncryptionAlgorithm.ChaCha20
+    override fun getPwEncryptionAlgorithm(): EncryptionAlgorithm {
+        return EncryptionAlgorithm.ChaCha20
     }
 
     companion object {
 
-        val CIPHER_UUID: UUID = Types.bytestoUUID(
-                byteArrayOf(0xD6.toByte(), 0x03.toByte(), 0x8A.toByte(), 0x2B.toByte(), 0x8B.toByte(), 0x6F.toByte(), 0x4C.toByte(), 0xB5.toByte(), 0xA5.toByte(), 0x24.toByte(), 0x33.toByte(), 0x9A.toByte(), 0x31.toByte(), 0xDB.toByte(), 0xB5.toByte(), 0x9A.toByte()))
+        val CIPHER_UUID: UUID = bytes16ToUuid(
+                byteArrayOf(0xD6.toByte(),
+                        0x03.toByte(),
+                        0x8A.toByte(),
+                        0x2B.toByte(),
+                        0x8B.toByte(),
+                        0x6F.toByte(),
+                        0x4C.toByte(),
+                        0xB5.toByte(),
+                        0xA5.toByte(),
+                        0x24.toByte(),
+                        0x33.toByte(),
+                        0x9A.toByte(),
+                        0x31.toByte(),
+                        0xDB.toByte(),
+                        0xB5.toByte(),
+                        0x9A.toByte()))
     }
 }

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

@@ -1,25 +1,25 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto.engine
 
-import com.kunzisoft.keepass.database.element.PwEncryptionAlgorithm
+import com.kunzisoft.keepass.database.element.security.EncryptionAlgorithm
 
 import java.security.InvalidAlgorithmParameterException
 import java.security.InvalidKeyException
@@ -46,6 +46,6 @@ abstract class CipherEngine {
         return getCipher(opmode, key, IV, false)
     }
 
-    abstract fun getPwEncryptionAlgorithm(): PwEncryptionAlgorithm
+    abstract fun getPwEncryptionAlgorithm(): EncryptionAlgorithm
 
 }

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

@@ -1,33 +1,31 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto.engine
 
 import com.kunzisoft.keepass.crypto.CipherFactory
-import com.kunzisoft.keepass.database.element.PwEncryptionAlgorithm
-import com.kunzisoft.keepass.utils.Types
-
+import com.kunzisoft.keepass.database.element.security.EncryptionAlgorithm
+import com.kunzisoft.keepass.stream.bytes16ToUuid
 import java.security.InvalidAlgorithmParameterException
 import java.security.InvalidKeyException
 import java.security.NoSuchAlgorithmException
-import java.util.UUID
-
+import java.util.*
 import javax.crypto.Cipher
 import javax.crypto.NoSuchPaddingException
 import javax.crypto.spec.IvParameterSpec
@@ -47,13 +45,28 @@ class TwofishEngine : CipherEngine() {
         return cipher
     }
 
-    override fun getPwEncryptionAlgorithm(): PwEncryptionAlgorithm {
-        return PwEncryptionAlgorithm.Twofish
+    override fun getPwEncryptionAlgorithm(): EncryptionAlgorithm {
+        return EncryptionAlgorithm.Twofish
     }
 
     companion object {
 
-        val CIPHER_UUID: UUID = Types.bytestoUUID(
-                byteArrayOf(0xAD.toByte(), 0x68.toByte(), 0xF2.toByte(), 0x9F.toByte(), 0x57.toByte(), 0x6F.toByte(), 0x4B.toByte(), 0xB9.toByte(), 0xA3.toByte(), 0x6A.toByte(), 0xD4.toByte(), 0x7A.toByte(), 0xF9.toByte(), 0x65.toByte(), 0x34.toByte(), 0x6C.toByte()))
+        val CIPHER_UUID: UUID = bytes16ToUuid(
+                byteArrayOf(0xAD.toByte(),
+                        0x68.toByte(),
+                        0xF2.toByte(),
+                        0x9F.toByte(),
+                        0x57.toByte(),
+                        0x6F.toByte(),
+                        0x4B.toByte(),
+                        0xB9.toByte(),
+                        0xA3.toByte(),
+                        0x6A.toByte(),
+                        0xD4.toByte(),
+                        0x7A.toByte(),
+                        0xF9.toByte(),
+                        0x65.toByte(),
+                        0x34.toByte(),
+                        0x6C.toByte()))
     }
 }

app/src/main/java/com/kunzisoft/keepass/crypto/finalkey/AndroidFinalKey.java

@@ -1,20 +1,20 @@
 /*
  * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto.finalkey;

app/src/main/java/com/kunzisoft/keepass/crypto/finalkey/FinalKey.java

@@ -1,20 +1,20 @@
 /*
  * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto.finalkey;

app/src/main/java/com/kunzisoft/keepass/crypto/finalkey/FinalKeyFactory.java

@@ -1,20 +1,20 @@
 /*
  * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto.finalkey;

app/src/main/java/com/kunzisoft/keepass/crypto/finalkey/NativeFinalKey.java

@@ -1,20 +1,20 @@
 /*
  * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto.finalkey;

app/src/main/java/com/kunzisoft/keepass/crypto/keyDerivation/AesKdf.kt

@@ -1,20 +1,20 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto.keyDerivation
@@ -23,7 +23,7 @@ import android.content.res.Resources
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.crypto.CryptoUtil
 import com.kunzisoft.keepass.crypto.finalkey.FinalKeyFactory
-import com.kunzisoft.keepass.utils.Types
+import com.kunzisoft.keepass.stream.bytes16ToUuid
 import java.io.IOException
 import java.security.SecureRandom
 import java.util.*
@@ -32,12 +32,10 @@ class AesKdf internal constructor() : KdfEngine() {
 
     override val defaultParameters: KdfParameters
         get() {
-            val p = KdfParameters(uuid)
-
-            p.setParamUUID()
-            p.setUInt32(ParamRounds, DEFAULT_ROUNDS.toLong())
-
-            return p
+            return KdfParameters(uuid!!).apply {
+                setParamUUID()
+                setUInt32(PARAM_ROUNDS, DEFAULT_ROUNDS.toLong())
+            }
         }
 
     override val defaultKeyRounds: Long
@@ -54,8 +52,8 @@ class AesKdf internal constructor() : KdfEngine() {
     @Throws(IOException::class)
     override fun transform(masterKey: ByteArray, p: KdfParameters): ByteArray {
         var currentMasterKey = masterKey
-        val rounds = p.getUInt64(ParamRounds)
-        var seed = p.getByteArray(ParamSeed)
+        val rounds = p.getUInt64(PARAM_ROUNDS)
+        var seed = p.getByteArray(PARAM_SEED)
 
         if (currentMasterKey.size != 32) {
             currentMasterKey = CryptoUtil.hashSha256(currentMasterKey)
@@ -75,25 +73,40 @@ class AesKdf internal constructor() : KdfEngine() {
         val seed = ByteArray(32)
         random.nextBytes(seed)
 
-        p.setByteArray(ParamSeed, seed)
+        p.setByteArray(PARAM_SEED, seed)
     }
 
     override fun getKeyRounds(p: KdfParameters): Long {
-        return p.getUInt64(ParamRounds)
+        return p.getUInt64(PARAM_ROUNDS)
     }
 
     override fun setKeyRounds(p: KdfParameters, keyRounds: Long) {
-        p.setUInt64(ParamRounds, keyRounds)
+        p.setUInt64(PARAM_ROUNDS, keyRounds)
     }
 
     companion object {
 
         private const val DEFAULT_ROUNDS = 6000
 
-        val CIPHER_UUID: UUID = Types.bytestoUUID(
-                byteArrayOf(0xC9.toByte(), 0xD9.toByte(), 0xF3.toByte(), 0x9A.toByte(), 0x62.toByte(), 0x8A.toByte(), 0x44.toByte(), 0x60.toByte(), 0xBF.toByte(), 0x74.toByte(), 0x0D.toByte(), 0x08.toByte(), 0xC1.toByte(), 0x8A.toByte(), 0x4F.toByte(), 0xEA.toByte()))
+        val CIPHER_UUID: UUID = bytes16ToUuid(
+                byteArrayOf(0xC9.toByte(),
+                        0xD9.toByte(),
+                        0xF3.toByte(),
+                        0x9A.toByte(),
+                        0x62.toByte(),
+                        0x8A.toByte(),
+                        0x44.toByte(),
+                        0x60.toByte(),
+                        0xBF.toByte(),
+                        0x74.toByte(),
+                        0x0D.toByte(),
+                        0x08.toByte(),
+                        0xC1.toByte(),
+                        0x8A.toByte(),
+                        0x4F.toByte(),
+                        0xEA.toByte()))
 
-        const val ParamRounds = "R"
-        const val ParamSeed = "S"
+        const val PARAM_ROUNDS = "R"
+        const val PARAM_SEED = "S"
     }
 }

app/src/main/java/com/kunzisoft/keepass/crypto/keyDerivation/Argon2Kdf.kt

@@ -1,27 +1,27 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto.keyDerivation
 
 import android.content.res.Resources
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.utils.Types
+import com.kunzisoft.keepass.stream.bytes16ToUuid
 import java.io.IOException
 import java.security.SecureRandom
 import java.util.*
@@ -30,19 +30,19 @@ class Argon2Kdf internal constructor() : KdfEngine() {
 
     override val defaultParameters: KdfParameters
         get() {
-            val p = KdfParameters(uuid)
+            val p = KdfParameters(uuid!!)
 
             p.setParamUUID()
-            p.setUInt32(ParamParallelism, DefaultParallelism)
-            p.setUInt64(ParamMemory, DefaultMemory)
-            p.setUInt64(ParamIterations, DefaultIterations)
-            p.setUInt32(ParamVersion, MaxVersion)
+            p.setUInt32(PARAM_PARALLELISM, DEFAULT_PARALLELISM)
+            p.setUInt64(PARAM_MEMORY, DEFAULT_MEMORY)
+            p.setUInt64(PARAM_ITERATIONS, DEFAULT_ITERATIONS)
+            p.setUInt32(PARAM_VERSION, MAX_VERSION)
 
             return p
         }
 
     override val defaultKeyRounds: Long
-        get() = DefaultIterations
+        get() = DEFAULT_ITERATIONS
 
     init {
         uuid = CIPHER_UUID
@@ -55,13 +55,13 @@ class Argon2Kdf internal constructor() : KdfEngine() {
     @Throws(IOException::class)
     override fun transform(masterKey: ByteArray, p: KdfParameters): ByteArray {
 
-        val salt = p.getByteArray(ParamSalt)
-        val parallelism = p.getUInt32(ParamParallelism).toInt()
-        val memory = p.getUInt64(ParamMemory)
-        val iterations = p.getUInt64(ParamIterations)
-        val version = p.getUInt32(ParamVersion)
-        val secretKey = p.getByteArray(ParamSecretKey)
-        val assocData = p.getByteArray(ParamAssocData)
+        val salt = p.getByteArray(PARAM_SALT)
+        val parallelism = p.getUInt32(PARAM_PARALLELISM).toInt()
+        val memory = p.getUInt64(PARAM_MEMORY)
+        val iterations = p.getUInt64(PARAM_ITERATIONS)
+        val version = p.getUInt32(PARAM_VERSION)
+        val secretKey = p.getByteArray(PARAM_SECRET_KEY)
+        val assocData = p.getByteArray(PARAM_ASSOC_DATA)
 
         return Argon2Native.transformKey(masterKey, salt, parallelism, memory, iterations,
                 secretKey, assocData, version)
@@ -73,71 +73,102 @@ class Argon2Kdf internal constructor() : KdfEngine() {
         val salt = ByteArray(32)
         random.nextBytes(salt)
 
-        p.setByteArray(ParamSalt, salt)
+        p.setByteArray(PARAM_SALT, salt)
     }
 
     override fun getKeyRounds(p: KdfParameters): Long {
-        return p.getUInt64(ParamIterations)
+        return p.getUInt64(PARAM_ITERATIONS)
     }
 
     override fun setKeyRounds(p: KdfParameters, keyRounds: Long) {
-        p.setUInt64(ParamIterations, keyRounds)
+        p.setUInt64(PARAM_ITERATIONS, keyRounds)
     }
 
+    override val minKeyRounds: Long
+        get() = MIN_ITERATIONS
+
+    override val maxKeyRounds: Long
+        get() = MAX_ITERATIONS
+
     override fun getMemoryUsage(p: KdfParameters): Long {
-        return p.getUInt64(ParamMemory)
+        return p.getUInt64(PARAM_MEMORY)
     }
 
     override fun setMemoryUsage(p: KdfParameters, memory: Long) {
-        p.setUInt64(ParamMemory, memory)
+        p.setUInt64(PARAM_MEMORY, memory)
     }
 
-    override fun getDefaultMemoryUsage(): Long {
-        return DefaultMemory
-    }
+    override val defaultMemoryUsage: Long
+        get() = DEFAULT_MEMORY
+
+    override val minMemoryUsage: Long
+        get() = MIN_MEMORY
+
+    override val maxMemoryUsage: Long
+        get() = MAX_MEMORY
 
     override fun getParallelism(p: KdfParameters): Int {
-        return p.getUInt32(ParamParallelism).toInt() // TODO Verify
+        return p.getUInt32(PARAM_PARALLELISM).toInt() // TODO Verify
     }
 
     override fun setParallelism(p: KdfParameters, parallelism: Int) {
-        p.setUInt32(ParamParallelism, parallelism.toLong())
+        p.setUInt32(PARAM_PARALLELISM, parallelism.toLong())
     }
 
-    override fun getDefaultParallelism(): Int {
-        return DefaultParallelism.toInt() // TODO Verify
-    }
+    override val defaultParallelism: Int
+        get() = DEFAULT_PARALLELISM.toInt()
+
+    override val minParallelism: Int
+        get() = MIN_PARALLELISM
+
+    override val maxParallelism: Int
+        get() = MAX_PARALLELISM
 
     companion object {
 
-        val CIPHER_UUID: UUID = Types.bytestoUUID(
-                byteArrayOf(0xEF.toByte(), 0x63.toByte(), 0x6D.toByte(), 0xDF.toByte(), 0x8C.toByte(), 0x29.toByte(), 0x44.toByte(), 0x4B.toByte(), 0x91.toByte(), 0xF7.toByte(), 0xA9.toByte(), 0xA4.toByte(), 0x03.toByte(), 0xE3.toByte(), 0x0A.toByte(), 0x0C.toByte()))
+        val CIPHER_UUID: UUID = bytes16ToUuid(
+                byteArrayOf(0xEF.toByte(),
+                        0x63.toByte(),
+                        0x6D.toByte(),
+                        0xDF.toByte(),
+                        0x8C.toByte(),
+                        0x29.toByte(),
+                        0x44.toByte(),
+                        0x4B.toByte(),
+                        0x91.toByte(),
+                        0xF7.toByte(),
+                        0xA9.toByte(),
+                        0xA4.toByte(),
+                        0x03.toByte(),
+                        0xE3.toByte(),
+                        0x0A.toByte(),
+                        0x0C.toByte()))
 
-        private const val ParamSalt = "S" // byte[]
-        private const  val ParamParallelism = "P" // UInt32
-        private const  val ParamMemory = "M" // UInt64
-        private const  val ParamIterations = "I" // UInt64
-        private const  val ParamVersion = "V" // UInt32
-        private const  val ParamSecretKey = "K" // byte[]
-        private const  val ParamAssocData = "A" // byte[]
+        private const val PARAM_SALT = "S" // byte[]
+        private const val PARAM_PARALLELISM = "P" // UInt32
+        private const val PARAM_MEMORY = "M" // UInt64
+        private const val PARAM_ITERATIONS = "I" // UInt64
+        private const val PARAM_VERSION = "V" // UInt32
+        private const val PARAM_SECRET_KEY = "K" // byte[]
+        private const val PARAM_ASSOC_DATA = "A" // byte[]
 
-        private const  val MinVersion: Long = 0x10
-        private const  val MaxVersion: Long = 0x13
+        private const val MIN_VERSION: Long = 0x10
+        private const val MAX_VERSION: Long = 0x13
 
-        private const  val MinSalt = 8
-        private const  val MaxSalt = Integer.MAX_VALUE
+        private const val MIN_SALT = 8
+        private const val MAX_SALT = Integer.MAX_VALUE
 
-        private const  val MinIterations: Long = 1
-        private const  val MaxIterations = 4294967295L
+        private const val MIN_ITERATIONS: Long = 1
+        private const val MAX_ITERATIONS = 4294967295L
 
-        private const  val MinMemory = (1024 * 8).toLong()
-        private const  val MaxMemory = Integer.MAX_VALUE.toLong()
+        private const val MIN_MEMORY = (1024 * 8).toLong()
+        private const val MAX_MEMORY = Integer.MAX_VALUE.toLong()
 
-        private const  val MinParallelism = 1
-        private const  val MaxParallelism = (1 shl 24) - 1
+        private const val MIN_PARALLELISM = 1
+        private const val MAX_PARALLELISM = (1 shl 24) - 1
 
-        private const  val DefaultIterations: Long = 2
-        private const  val DefaultMemory = (1024 * 1024).toLong()
-        private const  val DefaultParallelism: Long = 2
+        private const val DEFAULT_ITERATIONS: Long = 2
+        private const val DEFAULT_MEMORY = (1024 * 1024).toLong()
+        private const val DEFAULT_PARALLELISM: Long = 2
     }
 }

app/src/main/java/com/kunzisoft/keepass/crypto/keyDerivation/Argon2Native.java

@@ -1,20 +1,20 @@
 /*
  * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto.keyDerivation;

app/src/main/java/com/kunzisoft/keepass/crypto/keyDerivation/KdfEngine.kt

@@ -1,46 +1,62 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto.keyDerivation
 
-import com.kunzisoft.keepass.database.ObjectNameResource
+import com.kunzisoft.keepass.utils.ObjectNameResource
 
 import java.io.IOException
+import java.io.Serializable
 import java.util.UUID
 
-abstract class KdfEngine : ObjectNameResource {
+// TODO Parcelable
+abstract class KdfEngine : ObjectNameResource, Serializable {
 
     var uuid: UUID? = null
 
     abstract val defaultParameters: KdfParameters
 
-    abstract val defaultKeyRounds: Long
-
     @Throws(IOException::class)
     abstract fun transform(masterKey: ByteArray, p: KdfParameters): ByteArray
 
     abstract fun randomize(p: KdfParameters)
 
+    /*
+     * ITERATIONS
+     */
+
     abstract fun getKeyRounds(p: KdfParameters): Long
 
     abstract fun setKeyRounds(p: KdfParameters, keyRounds: Long)
 
+    abstract val defaultKeyRounds: Long
+
+    open val minKeyRounds: Long
+        get() = 1
+
+    open val maxKeyRounds: Long
+        get() = Int.MAX_VALUE.toLong()
+
+    /*
+     * MEMORY
+     */
+
     open fun getMemoryUsage(p: KdfParameters): Long {
         return UNKNOWN_VALUE.toLong()
     }
@@ -49,9 +65,18 @@ abstract class KdfEngine : ObjectNameResource {
         // Do nothing by default
     }
 
-    open fun getDefaultMemoryUsage(): Long {
-        return UNKNOWN_VALUE.toLong()
-    }
+    open val defaultMemoryUsage: Long
+        get() = UNKNOWN_VALUE.toLong()
+
+    open val minMemoryUsage: Long
+        get() = 1
+
+    open val maxMemoryUsage: Long
+        get() = Int.MAX_VALUE.toLong()
+
+    /*
+     * PARALLELISM
+     */
 
     open fun getParallelism(p: KdfParameters): Int {
         return UNKNOWN_VALUE
@@ -61,13 +86,16 @@ abstract class KdfEngine : ObjectNameResource {
         // Do nothing by default
     }
 
-    open fun getDefaultParallelism(): Int {
-        return UNKNOWN_VALUE
-    }
+    open val defaultParallelism: Int
+        get() = UNKNOWN_VALUE
+
+    open val minParallelism: Int
+        get() = 1
+
+    open val maxParallelism: Int
+        get() = Int.MAX_VALUE
 
     companion object {
-
         const val UNKNOWN_VALUE = -1
-        const val UNKNOWN_VALUE_STRING = (-1).toString()
     }
 }

app/src/main/java/com/kunzisoft/keepass/crypto/keyDerivation/KdfFactory.kt

@@ -1,55 +1,25 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.crypto.keyDerivation
 
-import com.kunzisoft.keepass.database.exception.UnknownKDF
-
-import java.util.ArrayList
-
 object KdfFactory {
-
     var aesKdf = AesKdf()
     var argon2Kdf = Argon2Kdf()
-
-    var kdfListV3: MutableList<KdfEngine> = ArrayList()
-    var kdfListV4: MutableList<KdfEngine> = ArrayList()
-
-    init {
-        kdfListV3.add(aesKdf)
-
-        kdfListV4.add(aesKdf)
-        kdfListV4.add(argon2Kdf)
-    }
-
-    @Throws(UnknownKDF::class)
-    fun getEngineV4(kdfParameters: KdfParameters?): KdfEngine {
-        val unknownKDFException = UnknownKDF()
-        if (kdfParameters == null) {
-            throw unknownKDFException
-        }
-        for (engine in kdfListV4) {
-            if (engine.uuid == kdfParameters.uuid) {
-                return engine
-            }
-        }
-        throw unknownKDFException
-    }
-
 }

app/src/main/java/com/kunzisoft/keepass/crypto/keyDerivation/KdfParameters.java

@@ -1,75 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX 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.
- *
- *  KeePass DX 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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.crypto.keyDerivation;
-
-import com.kunzisoft.keepass.utils.VariantDictionary;
-import com.kunzisoft.keepass.stream.LEDataInputStream;
-import com.kunzisoft.keepass.stream.LEDataOutputStream;
-import com.kunzisoft.keepass.utils.Types;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.util.UUID;
-
-public class KdfParameters extends VariantDictionary {
-
-    private UUID kdfUUID;
-
-    private static final String ParamUUID = "$UUID";
-
-    KdfParameters(UUID uuid) {
-        kdfUUID = uuid;
-    }
-
-    public UUID getUUID() {
-        return kdfUUID;
-    }
-
-    protected void setParamUUID() {
-        setByteArray(ParamUUID, Types.UUIDtoBytes(kdfUUID));
-    }
-
-    public static KdfParameters deserialize(byte[] data) throws IOException {
-        ByteArrayInputStream bis = new ByteArrayInputStream(data);
-        LEDataInputStream lis = new LEDataInputStream(bis);
-
-        VariantDictionary d = VariantDictionary.deserialize(lis);
-        if (d == null) {
-            return null;
-        }
-
-        UUID uuid = Types.bytestoUUID(d.getByteArray(ParamUUID));
-
-        KdfParameters kdfP = new KdfParameters(uuid);
-        kdfP.copyTo(d);
-        return kdfP;
-    }
-
-    public static byte[] serialize(KdfParameters kdf) throws IOException {
-        ByteArrayOutputStream bos = new ByteArrayOutputStream();
-        LEDataOutputStream los = new LEDataOutputStream(bos);
-
-        KdfParameters.serialize(kdf, los);
-
-        return bos.toByteArray();
-    }
-
-}

app/src/main/java/com/kunzisoft/keepass/crypto/keyDerivation/KdfParameters.kt

@@ -0,0 +1,67 @@
+/*
+ * 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.crypto.keyDerivation
+
+import com.kunzisoft.keepass.stream.LittleEndianDataInputStream
+import com.kunzisoft.keepass.stream.LittleEndianDataOutputStream
+import com.kunzisoft.keepass.stream.bytes16ToUuid
+import com.kunzisoft.keepass.stream.uuidTo16Bytes
+import com.kunzisoft.keepass.utils.VariantDictionary
+import java.io.ByteArrayInputStream
+import java.io.ByteArrayOutputStream
+import java.io.IOException
+import java.util.*
+
+class KdfParameters internal constructor(val uuid: UUID) : VariantDictionary() {
+
+    fun setParamUUID() {
+        setByteArray(PARAM_UUID, uuidTo16Bytes(uuid))
+    }
+
+    companion object {
+
+        private const val PARAM_UUID = "\$UUID"
+
+        @Throws(IOException::class)
+        fun deserialize(data: ByteArray): KdfParameters? {
+            val bis = ByteArrayInputStream(data)
+            val lis = LittleEndianDataInputStream(bis)
+
+            val d = deserialize(lis) ?: return null
+
+            val uuid = bytes16ToUuid(d.getByteArray(PARAM_UUID))
+
+            val kdfP = KdfParameters(uuid)
+            kdfP.copyTo(d)
+            return kdfP
+        }
+
+        @Throws(IOException::class)
+        fun serialize(kdf: KdfParameters): ByteArray {
+            val bos = ByteArrayOutputStream()
+            val los = LittleEndianDataOutputStream(bos)
+
+            serialize(kdf, los)
+
+            return bos.toByteArray()
+        }
+    }
+
+}

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

@@ -1,45 +1,42 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *     
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.database.action
 
 import android.content.Context
 import android.net.Uri
+import com.kunzisoft.keepass.app.database.CipherDatabaseAction
 import com.kunzisoft.keepass.database.element.Database
-import com.kunzisoft.keepass.database.exception.InvalidKeyFileException
-import com.kunzisoft.keepass.tasks.ActionRunnable
 import com.kunzisoft.keepass.utils.UriUtil
-import java.io.IOException
 
-open class AssignPasswordInDatabaseRunnable @JvmOverloads constructor(
+open class AssignPasswordInDatabaseRunnable (
         context: Context,
         database: Database,
+        protected val mDatabaseUri: Uri,
         withMasterPassword: Boolean,
         masterPassword: String?,
         withKeyFile: Boolean,
-        keyFile: Uri?,
-        save: Boolean,
-        actionRunnable: ActionRunnable? = null)
-    : SaveDatabaseRunnable(context, database, save, actionRunnable) {
+        keyFile: Uri?)
+    : SaveDatabaseRunnable(context, database, true) {
 
     private var mMasterPassword: String? = null
-    private var mKeyFile: Uri? = null
+    protected var mKeyFile: Uri? = null
 
     private var mBackupKey: ByteArray? = null
 
@@ -50,7 +47,7 @@ open class AssignPasswordInDatabaseRunnable @JvmOverloads constructor(
             this.mKeyFile = keyFile
     }
 
-    override fun run() {
+    override fun onStartRun() {
         // Set key
         try {
             // TODO move master key methods
@@ -59,20 +56,21 @@ open class AssignPasswordInDatabaseRunnable @JvmOverloads constructor(
 
             val uriInputStream = UriUtil.getUriInputStream(context.contentResolver, mKeyFile)
             database.retrieveMasterKey(mMasterPassword, uriInputStream)
-
-            // To save the database
-            super.run()
-            finishRun(true)
-        } catch (e: InvalidKeyFileException) {
+        } catch (e: Exception) {
             erase(mBackupKey)
-            finishRun(false, e.message)
-        } catch (e: IOException) {
-            erase(mBackupKey)
-            finishRun(false, e.message)
+            setError(e)
         }
+
+        super.onStartRun()
     }
 
-    override fun onFinishRun(result: Result) {
+    override fun onFinishRun() {
+        super.onFinishRun()
+
+        // Erase the biometric
+        CipherDatabaseAction.getInstance(context)
+                .deleteByDatabaseUri(mDatabaseUri)
+
         if (!result.isSuccess) {
             // Erase the current master key
             erase(database.masterKey)
@@ -80,8 +78,6 @@ open class AssignPasswordInDatabaseRunnable @JvmOverloads constructor(
                 database.masterKey = it
             }
         }
-
-        super.onFinishRun(result)
     }
 
     /**

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

@@ -1,58 +1,66 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *     
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.database.action
 
 import android.content.Context
 import android.net.Uri
+import android.util.Log
+import com.kunzisoft.keepass.app.database.FileDatabaseHistoryAction
 import com.kunzisoft.keepass.database.element.Database
-import com.kunzisoft.keepass.tasks.ActionRunnable
 
 class CreateDatabaseRunnable(context: Context,
-                             private val mDatabaseUri: Uri,
                              private val mDatabase: Database,
+                             databaseUri: Uri,
+                             private val databaseName: String,
+                             private val rootName: String,
                              withMasterPassword: Boolean,
                              masterPassword: String?,
                              withKeyFile: Boolean,
-                             keyFile: Uri?,
-                             save: Boolean,
-                             actionRunnable: ActionRunnable? = null)
-    : AssignPasswordInDatabaseRunnable(context, mDatabase, withMasterPassword, masterPassword, withKeyFile, keyFile, save, actionRunnable) {
+                             keyFile: Uri?)
+    : AssignPasswordInDatabaseRunnable(context, mDatabase, databaseUri, withMasterPassword, masterPassword, withKeyFile, keyFile) {
 
-    override fun run() {
+    override fun onStartRun() {
         try {
             // Create new database record
             mDatabase.apply {
-                createData(mDatabaseUri)
+                createData(mDatabaseUri, databaseName, rootName)
                 // Set Database state
                 loaded = true
-                // Commit changes
-                super.run()
             }
-
-            finishRun(true)
         } catch (e: Exception) {
-
             mDatabase.closeAndClear()
-            finishRun(false, e.message)
+            setError(e)
         }
+
+        super.onStartRun()
     }
 
-    override fun onFinishRun(result: Result) {}
+    override fun onFinishRun() {
+        super.onFinishRun()
+
+        if (result.isSuccess) {
+            // Add database to recent files
+            FileDatabaseHistoryAction.getInstance(context.applicationContext)
+                    .addOrUpdateDatabaseUri(mDatabaseUri, mKeyFile)
+        } else {
+            Log.e("CreateDatabaseRunnable", "Unable to create the database")
+        }
+    }
 }

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

@@ -1,136 +1,99 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *     
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with KeePassDX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 package com.kunzisoft.keepass.database.action
 
 import android.content.Context
 import android.net.Uri
-import android.preference.PreferenceManager
-import androidx.annotation.StringRes
-import android.util.Log
-import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.database.element.Database
-import com.kunzisoft.keepass.database.exception.*
+import com.kunzisoft.keepass.app.database.CipherDatabaseAction
+import com.kunzisoft.keepass.app.database.CipherDatabaseEntity
 import com.kunzisoft.keepass.app.database.FileDatabaseHistoryAction
+import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.database.exception.DuplicateUuidDatabaseException
+import com.kunzisoft.keepass.database.exception.LoadDatabaseException
+import com.kunzisoft.keepass.notifications.DatabaseOpenNotificationService
+import com.kunzisoft.keepass.settings.PreferencesUtil
 import com.kunzisoft.keepass.tasks.ActionRunnable
 import com.kunzisoft.keepass.tasks.ProgressTaskUpdater
-import java.io.FileNotFoundException
-import java.io.IOException
-import java.lang.ref.WeakReference
 
-class LoadDatabaseRunnable(private val mWeakContext: WeakReference<Context>,
+class LoadDatabaseRunnable(private val context: Context,
                            private val mDatabase: Database,
                            private val mUri: Uri,
                            private val mPass: String?,
                            private val mKey: Uri?,
+                           private val mReadonly: Boolean,
+                           private val mCipherEntity: CipherDatabaseEntity?,
+                           private val mOmitBackup: Boolean,
+                           private val mFixDuplicateUUID: Boolean,
                            private val progressTaskUpdater: ProgressTaskUpdater?,
-                           nestedAction: ActionRunnable)
-    : ActionRunnable(nestedAction, executeNestedActionIfResultFalse = true) {
+                           private val mDuplicateUuidAction: ((Result) -> Unit)?)
+    : ActionRunnable() {
 
-    private val mRememberKeyFile: Boolean
-        get() {
-            return mWeakContext.get()?.let {
-                PreferenceManager.getDefaultSharedPreferences(it)
-                        .getBoolean(it.getString(R.string.keyfile_key),
-                                it.resources.getBoolean(R.bool.keyfile_default))
-            } ?: true
-        }
+    private val cacheDirectory = context.applicationContext.filesDir
 
-    override fun run() {
+    override fun onStartRun() {
+        // Clear before we load
+        mDatabase.closeAndClear(cacheDirectory)
+    }
+
+    override fun onActionRun() {
         try {
-            mWeakContext.get()?.let {
-                mDatabase.loadData(it, mUri, mPass, mKey, progressTaskUpdater)
-                saveFileData(mUri, mKey)
-                finishRun(true)
-            } ?: finishRun(false, "Context null")
-        } catch (e: ArcFourException) {
-            catchError(e, R.string.error_arc4)
-            return
-        } catch (e: InvalidPasswordException) {
-            catchError(e, R.string.invalid_password)
-            return
-        } catch (e: ContentFileNotFoundException) {
-            catchError(e, R.string.file_not_found_content)
-            return
-        } catch (e: FileNotFoundException) {
-            catchError(e, R.string.file_not_found)
-            return
-        } catch (e: IOException) {
-            var messageId = R.string.error_load_database
-            e.message?.let {
-                if (it.contains("Hash failed with code"))
-                    messageId = R.string.error_load_database_KDF_memory
+            mDatabase.loadData(mUri, mPass, mKey,
+                    mReadonly,
+                    context.contentResolver,
+                    cacheDirectory,
+                    mOmitBackup,
+                    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
+            val rememberKeyFile = PreferencesUtil.rememberKeyFiles(context)
+            if (rememberKeyFile) {
+                var keyUri = mKey
+                if (!rememberKeyFile) {
+                    keyUri = null
+                }
+                FileDatabaseHistoryAction.getInstance(context)
+                        .addOrUpdateDatabaseUri(mUri, keyUri)
             }
-            catchError(e, messageId, true)
-            return
-        } catch (e: KeyFileEmptyException) {
-            catchError(e, R.string.keyfile_is_empty)
-            return
-        } catch (e: InvalidAlgorithmException) {
-            catchError(e, R.string.invalid_algorithm)
-            return
-        } catch (e: InvalidKeyFileException) {
-            catchError(e, R.string.keyfile_does_not_exist)
-            return
-        } catch (e: InvalidDBSignatureException) {
-            catchError(e, R.string.invalid_db_sig)
-            return
-        } catch (e: InvalidDBVersionException) {
-            catchError(e, R.string.unsupported_db_version)
-            return
-        } catch (e: InvalidDBException) {
-            catchError(e, R.string.error_invalid_db)
-            return
-        } catch (e: OutOfMemoryError) {
-            catchError(e, R.string.error_out_of_memory)
-            return
-        } catch (e: Exception) {
-            catchError(e, R.string.error_load_database, true)
-            return
-        }
-    }
 
-    private fun catchError(e: Throwable, @StringRes messageId: Int, addThrowableMessage: Boolean = false) {
-        var errorMessage = mWeakContext.get()?.getString(messageId)
-        Log.e(TAG, errorMessage, e)
-        if (addThrowableMessage)
-            errorMessage = errorMessage + " " + e.localizedMessage
-        finishRun(false, errorMessage)
-    }
+            // Register the biometric
+            mCipherEntity?.let { cipherDatabaseEntity ->
+                CipherDatabaseAction.getInstance(context)
+                        .addOrUpdateCipherDatabase(cipherDatabaseEntity) // return value not called
+            }
 
-    private fun saveFileData(uri: Uri, key: Uri?) {
-        var keyFileUri = key
-        if (!mRememberKeyFile) {
-            keyFileUri = null
+            // Start the opening notification
+            DatabaseOpenNotificationService.startIfAllowed(context)
+        } else {
+            mDatabase.closeAndClear(cacheDirectory)
         }
-        mWeakContext.get()?.let {
-            FileDatabaseHistoryAction.getInstance(it).addOrUpdateDatabaseUri(uri, keyFileUri)
-        }
-    }
-
-    override fun onFinishRun(result: Result) {
-        if (!result.isSuccess) {
-            mDatabase.closeAndClear(mWeakContext.get()?.filesDir)
-        }
-    }
-
-    companion object {
-        private val TAG = LoadDatabaseRunnable::class.java.name
     }
 }

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

@@ -1,14 +0,0 @@
-package com.kunzisoft.keepass.database.action
-
-import androidx.fragment.app.FragmentActivity
-import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.tasks.ActionRunnable
-import com.kunzisoft.keepass.tasks.ProgressTaskUpdater
-
-class ProgressDialogSaveDatabaseThread(activity: FragmentActivity,
-                                       actionRunnable: (ProgressTaskUpdater?)-> ActionRunnable)
-    : ProgressDialogThread(activity,
-        actionRunnable,
-        R.string.saving_database,
-        null,
-        R.string.do_not_kill_app)

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

@@ -1,86 +1,557 @@
+/*
+ * 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.action
 
-import android.content.Intent
-import android.os.AsyncTask
+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 androidx.annotation.StringRes
+import android.os.Bundle
+import android.os.IBinder
 import androidx.fragment.app.FragmentActivity
+import com.kunzisoft.keepass.app.database.CipherDatabaseEntity
+import com.kunzisoft.keepass.crypto.keyDerivation.KdfEngine
+import com.kunzisoft.keepass.database.element.*
+import com.kunzisoft.keepass.database.element.database.CompressionAlgorithm
+import com.kunzisoft.keepass.database.element.node.Node
+import com.kunzisoft.keepass.database.element.node.NodeId
+import com.kunzisoft.keepass.database.element.node.Type
+import com.kunzisoft.keepass.database.element.security.EncryptionAlgorithm
 import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService
-import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.DATABASE_TASK_TITLE_KEY
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_ASSIGN_PASSWORD_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_COPY_NODES_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_CREATE_ENTRY_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_CREATE_GROUP_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_CREATE_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_DELETE_ENTRY_HISTORY
+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_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
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_COMPRESSION_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_DEFAULT_USERNAME_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_DESCRIPTION_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_ENCRYPTION_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_ITERATIONS_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_KEY_DERIVATION_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_MAX_HISTORY_ITEMS_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_MAX_HISTORY_SIZE_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_MEMORY_USAGE_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_NAME_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_PARALLELISM_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_ENTRY_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_GROUP_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.getBundleFromListNodes
 import com.kunzisoft.keepass.tasks.ActionRunnable
 import com.kunzisoft.keepass.tasks.ProgressTaskDialogFragment
-import com.kunzisoft.keepass.tasks.ProgressTaskUpdater
+import com.kunzisoft.keepass.tasks.ProgressTaskDialogFragment.Companion.retrieveProgressDialog
 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 java.util.*
+import kotlin.collections.ArrayList
 
-open class ProgressDialogThread(private val activity: FragmentActivity,
-                                private val actionRunnable: (ProgressTaskUpdater?)-> ActionRunnable,
-                                @StringRes private val titleId: Int,
-                                @StringRes private val messageId: Int? = null,
-                                @StringRes private val warningId: Int? = null) {
+class ProgressDialogThread(private val activity: FragmentActivity) {
 
-    private val progressTaskDialogFragment = ProgressTaskDialogFragment.build(
-            titleId,
-            messageId,
-            warningId)
-    private var actionRunnableAsyncTask: ActionRunnableAsyncTask? = null
-    var actionFinishInUIThread: ActionRunnable? = null
+    var onActionFinish: ((actionTask: String,
+                          result: ActionRunnable.Result) -> Unit)? = null
 
-    private var intentDatabaseTask:Intent = Intent(activity, DatabaseTaskNotificationService::class.java)
+    private var intentDatabaseTask = Intent(activity, DatabaseTaskNotificationService::class.java)
 
-    init {
-        actionRunnableAsyncTask = ActionRunnableAsyncTask(progressTaskDialogFragment,
-                {
-                    activity.runOnUiThread {
-                        intentDatabaseTask.putExtra(DATABASE_TASK_TITLE_KEY, titleId)
-                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-                            activity.startForegroundService(intentDatabaseTask)
-                        } else {
-                            activity.startService(intentDatabaseTask)
-                        }
-                        TimeoutHelper.temporarilyDisableTimeout()
-                        // Show the dialog
-                        ProgressTaskDialogFragment.start(activity, progressTaskDialogFragment)
-                    }
-                }, { result ->
-                    activity.runOnUiThread {
-                        actionFinishInUIThread?.onFinishRun(result)
-                        // Remove the progress task
-                        ProgressTaskDialogFragment.stop(activity)
-                        TimeoutHelper.releaseTemporarilyDisableTimeoutAndLockIfTimeout(activity)
-                        activity.stopService(intentDatabaseTask)
-                    }
-                })
-    }
+    private var databaseTaskBroadcastReceiver: BroadcastReceiver? = null
+    private var mBinder: DatabaseTaskNotificationService.ActionTaskBinder? = null
 
-    fun start() {
-        actionRunnableAsyncTask?.execute(actionRunnable)
-    }
+    private var serviceConnection: ServiceConnection? = null
 
-
-    private class ActionRunnableAsyncTask(private val progressTaskUpdater: ProgressTaskUpdater,
-                                          private val onPreExecute: () -> Unit,
-                                          private val onPostExecute: (result: ActionRunnable.Result) -> Unit)
-        : AsyncTask<((ProgressTaskUpdater?)-> ActionRunnable), Void, ActionRunnable.Result>() {
-
-        override fun onPreExecute() {
-            super.onPreExecute()
-            onPreExecute.invoke()
+    private val actionTaskListener = object: DatabaseTaskNotificationService.ActionTaskListener {
+        override fun onStartAction(titleId: Int?, messageId: Int?, warningId: Int?) {
+            TimeoutHelper.temporarilyDisableTimeout(activity)
+            startOrUpdateDialog(titleId, messageId, warningId)
         }
 
-        override fun doInBackground(vararg actionRunnables: ((ProgressTaskUpdater?)-> ActionRunnable)?): ActionRunnable.Result {
-            var resultTask = ActionRunnable.Result(false)
-            actionRunnables.forEach {
-                it?.invoke(progressTaskUpdater)?.apply {
-                    run()
-                    resultTask = result
+        override fun onUpdateAction(titleId: Int?, messageId: Int?, warningId: Int?) {
+            TimeoutHelper.temporarilyDisableTimeout(activity)
+            startOrUpdateDialog(titleId, messageId, warningId)
+        }
+
+        override fun onStopAction(actionTask: String, result: ActionRunnable.Result) {
+            onActionFinish?.invoke(actionTask, result)
+            // Remove the progress task
+            ProgressTaskDialogFragment.stop(activity)
+            TimeoutHelper.releaseTemporarilyDisableTimeoutAndLockIfTimeout(activity)
+        }
+    }
+
+    private fun startOrUpdateDialog(titleId: Int?, messageId: Int?, warningId: Int?) {
+        var progressTaskDialogFragment = retrieveProgressDialog(activity)
+        if (progressTaskDialogFragment == null) {
+            progressTaskDialogFragment = ProgressTaskDialogFragment.build()
+            ProgressTaskDialogFragment.start(activity, progressTaskDialogFragment)
+        }
+        progressTaskDialogFragment.apply {
+            titleId?.let {
+                updateTitle(it)
+            }
+            messageId?.let {
+                updateMessage(it)
+            }
+            warningId?.let {
+                updateWarning(it)
+            }
+        }
+    }
+
+    @Synchronized
+    private fun initServiceConnection() {
+        if (serviceConnection == null) {
+            serviceConnection = object : ServiceConnection {
+                override fun onServiceConnected(name: ComponentName?, serviceBinder: IBinder?) {
+                    mBinder = (serviceBinder as DatabaseTaskNotificationService.ActionTaskBinder).apply {
+                        addActionTaskListener(actionTaskListener)
+                        getService().checkAction()
+                    }
+                }
+
+                override fun onServiceDisconnected(name: ComponentName?) {
+                    mBinder?.removeActionTaskListener(actionTaskListener)
+                    mBinder = null
                 }
             }
-            return resultTask
-        }
-
-        override fun onPostExecute(result: ActionRunnable.Result) {
-            super.onPostExecute(result)
-            onPostExecute.invoke(result)
         }
     }
+
+    @Synchronized
+    private fun bindService() {
+        initServiceConnection()
+        serviceConnection?.let {
+            activity.bindService(intentDatabaseTask, it, BIND_NOT_FOREGROUND or BIND_ABOVE_CLIENT)
+        }
+    }
+
+    /**
+     * Unbind the service and assign null to the service connection to check if already unbind or not
+     */
+    @Synchronized
+    private fun unBindService() {
+        serviceConnection?.let {
+            activity.unbindService(it)
+        }
+        serviceConnection = null
+    }
+
+    @Synchronized
+    fun registerProgressTask() {
+        ProgressTaskDialogFragment.stop(activity)
+
+        // Register a database task receiver to stop loading dialog when service finish the task
+        databaseTaskBroadcastReceiver = object : BroadcastReceiver() {
+            override fun onReceive(context: Context?, intent: Intent?) {
+                activity.runOnUiThread {
+                    when (intent?.action) {
+                        DATABASE_START_TASK_ACTION -> {
+                            // Bind to the service when is starting
+                            bindService()
+                        }
+                        DATABASE_STOP_TASK_ACTION -> {
+                            unBindService()
+                        }
+                    }
+                }
+            }
+        }
+        activity.registerReceiver(databaseTaskBroadcastReceiver,
+                IntentFilter().apply {
+                    addAction(DATABASE_START_TASK_ACTION)
+                    addAction(DATABASE_STOP_TASK_ACTION)
+                }
+        )
+
+        // Check if a service is currently running else do nothing
+        bindService()
+    }
+
+    @Synchronized
+    fun unregisterProgressTask() {
+        ProgressTaskDialogFragment.stop(activity)
+
+        mBinder?.removeActionTaskListener(actionTaskListener)
+        mBinder = null
+
+        unBindService()
+
+        try {
+            activity.unregisterReceiver(databaseTaskBroadcastReceiver)
+        } catch (e: IllegalArgumentException) {
+            // If receiver not register, do nothing
+        }
+    }
+
+    @Synchronized
+    private fun start(bundle: Bundle? = null, actionTask: String) {
+        activity.stopService(intentDatabaseTask)
+        if (bundle != null)
+            intentDatabaseTask.putExtras(bundle)
+        activity.runOnUiThread {
+            intentDatabaseTask.action = actionTask
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                activity.startForegroundService(intentDatabaseTask)
+            } else {
+                activity.startService(intentDatabaseTask)
+            }
+        }
+    }
+
+    /*
+      ----
+        Main methods
+      ----
+    */
+
+    fun startDatabaseCreate(databaseUri: Uri,
+                            masterPasswordChecked: Boolean,
+                            masterPassword: String?,
+                            keyFileChecked: Boolean,
+                            keyFile: Uri?) {
+        start(Bundle().apply {
+            putParcelable(DatabaseTaskNotificationService.DATABASE_URI_KEY, databaseUri)
+            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)
+        }
+                , ACTION_DATABASE_CREATE_TASK)
+    }
+
+    fun startDatabaseLoad(databaseUri: Uri,
+                          masterPassword: String?,
+                          keyFile: Uri?,
+                          readOnly: Boolean,
+                          cipherEntity: CipherDatabaseEntity?,
+                          fixDuplicateUuid: Boolean) {
+        start(Bundle().apply {
+            putParcelable(DatabaseTaskNotificationService.DATABASE_URI_KEY, databaseUri)
+            putString(DatabaseTaskNotificationService.MASTER_PASSWORD_KEY, masterPassword)
+            putParcelable(DatabaseTaskNotificationService.KEY_FILE_KEY, keyFile)
+            putBoolean(DatabaseTaskNotificationService.READ_ONLY_KEY, readOnly)
+            putParcelable(DatabaseTaskNotificationService.CIPHER_ENTITY_KEY, cipherEntity)
+            putBoolean(DatabaseTaskNotificationService.FIX_DUPLICATE_UUID_KEY, fixDuplicateUuid)
+        }
+                , ACTION_DATABASE_LOAD_TASK)
+    }
+
+    fun startDatabaseAssignPassword(databaseUri: Uri,
+                                    masterPasswordChecked: Boolean,
+                                    masterPassword: String?,
+                                    keyFileChecked: Boolean,
+                                    keyFile: Uri?) {
+
+        start(Bundle().apply {
+            putParcelable(DatabaseTaskNotificationService.DATABASE_URI_KEY, databaseUri)
+            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)
+        }
+                , ACTION_DATABASE_ASSIGN_PASSWORD_TASK)
+    }
+
+    /*
+      ----
+        Nodes Actions
+      ----
+    */
+
+    fun startDatabaseCreateGroup(newGroup: Group,
+                                 parent: Group,
+                                 save: Boolean) {
+        start(Bundle().apply {
+            putParcelable(DatabaseTaskNotificationService.GROUP_KEY, newGroup)
+            putParcelable(DatabaseTaskNotificationService.PARENT_ID_KEY, parent.nodeId)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_CREATE_GROUP_TASK)
+    }
+
+    fun startDatabaseUpdateGroup(oldGroup: Group,
+                                 groupToUpdate: Group,
+                                 save: Boolean) {
+        start(Bundle().apply {
+            putParcelable(DatabaseTaskNotificationService.GROUP_ID_KEY, oldGroup.nodeId)
+            putParcelable(DatabaseTaskNotificationService.GROUP_KEY, groupToUpdate)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_UPDATE_GROUP_TASK)
+    }
+
+    fun startDatabaseCreateEntry(newEntry: Entry,
+                                 parent: Group,
+                                 save: Boolean) {
+        start(Bundle().apply {
+            putParcelable(DatabaseTaskNotificationService.ENTRY_KEY, newEntry)
+            putParcelable(DatabaseTaskNotificationService.PARENT_ID_KEY, parent.nodeId)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_CREATE_ENTRY_TASK)
+    }
+
+    fun startDatabaseUpdateEntry(oldEntry: Entry,
+                                 entryToUpdate: Entry,
+                                 save: Boolean) {
+        start(Bundle().apply {
+            putParcelable(DatabaseTaskNotificationService.ENTRY_ID_KEY, oldEntry.nodeId)
+            putParcelable(DatabaseTaskNotificationService.ENTRY_KEY, entryToUpdate)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_UPDATE_ENTRY_TASK)
+    }
+
+    private fun startDatabaseActionListNodes(actionTask: String,
+                                             nodesPaste: List<Node>,
+                                             newParent: Group?,
+                                             save: Boolean) {
+        val groupsIdToCopy = ArrayList<NodeId<*>>()
+        val entriesIdToCopy = ArrayList<NodeId<UUID>>()
+        nodesPaste.forEach { nodeVersioned ->
+            when (nodeVersioned.type) {
+                Type.GROUP -> {
+                    (nodeVersioned as Group).nodeId?.let { groupId ->
+                        groupsIdToCopy.add(groupId)
+                    }
+                }
+                Type.ENTRY -> {
+                    entriesIdToCopy.add((nodeVersioned as Entry).nodeId)
+                }
+            }
+        }
+        val newParentId = newParent?.nodeId
+
+        start(Bundle().apply {
+            putAll(getBundleFromListNodes(nodesPaste))
+            putParcelableArrayList(DatabaseTaskNotificationService.GROUPS_ID_KEY, groupsIdToCopy)
+            putParcelableArrayList(DatabaseTaskNotificationService.ENTRIES_ID_KEY, entriesIdToCopy)
+            if (newParentId != null)
+                putParcelable(DatabaseTaskNotificationService.PARENT_ID_KEY, newParentId)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+        , actionTask)
+    }
+
+    fun startDatabaseCopyNodes(nodesToCopy: List<Node>,
+                               newParent: Group,
+                               save: Boolean) {
+        startDatabaseActionListNodes(ACTION_DATABASE_COPY_NODES_TASK, nodesToCopy, newParent, save)
+    }
+
+    fun startDatabaseMoveNodes(nodesToMove: List<Node>,
+                               newParent: Group,
+                               save: Boolean) {
+        startDatabaseActionListNodes(ACTION_DATABASE_MOVE_NODES_TASK, nodesToMove, newParent, save)
+    }
+
+    fun startDatabaseDeleteNodes(nodesToDelete: List<Node>,
+                                 save: Boolean) {
+        startDatabaseActionListNodes(ACTION_DATABASE_DELETE_NODES_TASK, nodesToDelete, null, save)
+    }
+
+    /*
+      -----------------
+        Entry History Settings
+      -----------------
+    */
+
+    fun startDatabaseRestoreEntryHistory(mainEntry: Entry,
+                                         entryHistoryPosition: Int,
+                                         save: Boolean) {
+        start(Bundle().apply {
+            putParcelable(DatabaseTaskNotificationService.ENTRY_ID_KEY, mainEntry.nodeId)
+            putInt(DatabaseTaskNotificationService.ENTRY_HISTORY_POSITION_KEY, entryHistoryPosition)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_RESTORE_ENTRY_HISTORY)
+    }
+
+    fun startDatabaseDeleteEntryHistory(mainEntry: Entry,
+                                        entryHistoryPosition: Int,
+                                        save: Boolean) {
+        start(Bundle().apply {
+            putParcelable(DatabaseTaskNotificationService.ENTRY_ID_KEY, mainEntry.nodeId)
+            putInt(DatabaseTaskNotificationService.ENTRY_HISTORY_POSITION_KEY, entryHistoryPosition)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_DELETE_ENTRY_HISTORY)
+    }
+
+    /*
+      -----------------
+        Main Settings
+      -----------------
+    */
+
+    fun startDatabaseSaveName(oldName: String,
+                              newName: String,
+                              save: Boolean) {
+        start(Bundle().apply {
+            putString(DatabaseTaskNotificationService.OLD_ELEMENT_KEY, oldName)
+            putString(DatabaseTaskNotificationService.NEW_ELEMENT_KEY, newName)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_UPDATE_NAME_TASK)
+    }
+
+    fun startDatabaseSaveDescription(oldDescription: String,
+                                     newDescription: String,
+                                     save: Boolean) {
+        start(Bundle().apply {
+            putString(DatabaseTaskNotificationService.OLD_ELEMENT_KEY, oldDescription)
+            putString(DatabaseTaskNotificationService.NEW_ELEMENT_KEY, newDescription)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_UPDATE_DESCRIPTION_TASK)
+    }
+
+    fun startDatabaseSaveDefaultUsername(oldDefaultUsername: String,
+                                         newDefaultUsername: String,
+                                         save: Boolean) {
+        start(Bundle().apply {
+            putString(DatabaseTaskNotificationService.OLD_ELEMENT_KEY, oldDefaultUsername)
+            putString(DatabaseTaskNotificationService.NEW_ELEMENT_KEY, newDefaultUsername)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_UPDATE_DEFAULT_USERNAME_TASK)
+    }
+
+    fun startDatabaseSaveColor(oldColor: String,
+                               newColor: String,
+                               save: Boolean) {
+        start(Bundle().apply {
+            putString(DatabaseTaskNotificationService.OLD_ELEMENT_KEY, oldColor)
+            putString(DatabaseTaskNotificationService.NEW_ELEMENT_KEY, newColor)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_UPDATE_COLOR_TASK)
+    }
+
+    fun startDatabaseSaveCompression(oldCompression: CompressionAlgorithm,
+                                     newCompression: CompressionAlgorithm,
+                                     save: Boolean) {
+        start(Bundle().apply {
+            putSerializable(DatabaseTaskNotificationService.OLD_ELEMENT_KEY, oldCompression)
+            putSerializable(DatabaseTaskNotificationService.NEW_ELEMENT_KEY, newCompression)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_UPDATE_COMPRESSION_TASK)
+    }
+
+    fun startDatabaseSaveMaxHistoryItems(oldMaxHistoryItems: Int,
+                                         newMaxHistoryItems: Int,
+                                         save: Boolean) {
+        start(Bundle().apply {
+            putInt(DatabaseTaskNotificationService.OLD_ELEMENT_KEY, oldMaxHistoryItems)
+            putInt(DatabaseTaskNotificationService.NEW_ELEMENT_KEY, newMaxHistoryItems)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_UPDATE_MAX_HISTORY_ITEMS_TASK)
+    }
+
+    fun startDatabaseSaveMaxHistorySize(oldMaxHistorySize: Long,
+                                        newMaxHistorySize: Long,
+                                        save: Boolean) {
+        start(Bundle().apply {
+            putLong(DatabaseTaskNotificationService.OLD_ELEMENT_KEY, oldMaxHistorySize)
+            putLong(DatabaseTaskNotificationService.NEW_ELEMENT_KEY, newMaxHistorySize)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_UPDATE_MAX_HISTORY_SIZE_TASK)
+    }
+
+    /*
+      -------------------
+       Security Settings
+      -------------------
+     */
+
+    fun startDatabaseSaveEncryption(oldEncryption: EncryptionAlgorithm,
+                                    newEncryption: EncryptionAlgorithm,
+                                    save: Boolean) {
+        start(Bundle().apply {
+            putSerializable(DatabaseTaskNotificationService.OLD_ELEMENT_KEY, oldEncryption)
+            putSerializable(DatabaseTaskNotificationService.NEW_ELEMENT_KEY, newEncryption)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_UPDATE_ENCRYPTION_TASK)
+    }
+
+    fun startDatabaseSaveKeyDerivation(oldKeyDerivation: KdfEngine,
+                                       newKeyDerivation: KdfEngine,
+                                       save: Boolean) {
+        start(Bundle().apply {
+            putSerializable(DatabaseTaskNotificationService.OLD_ELEMENT_KEY, oldKeyDerivation)
+            putSerializable(DatabaseTaskNotificationService.NEW_ELEMENT_KEY, newKeyDerivation)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_UPDATE_KEY_DERIVATION_TASK)
+    }
+
+    fun startDatabaseSaveIterations(oldIterations: Long,
+                                    newIterations: Long,
+                                    save: Boolean) {
+        start(Bundle().apply {
+            putLong(DatabaseTaskNotificationService.OLD_ELEMENT_KEY, oldIterations)
+            putLong(DatabaseTaskNotificationService.NEW_ELEMENT_KEY, newIterations)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_UPDATE_ITERATIONS_TASK)
+    }
+
+    fun startDatabaseSaveMemoryUsage(oldMemoryUsage: Long,
+                                     newMemoryUsage: Long,
+                                     save: Boolean) {
+        start(Bundle().apply {
+            putLong(DatabaseTaskNotificationService.OLD_ELEMENT_KEY, oldMemoryUsage)
+            putLong(DatabaseTaskNotificationService.NEW_ELEMENT_KEY, newMemoryUsage)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_UPDATE_MEMORY_USAGE_TASK)
+    }
+
+    fun startDatabaseSaveParallelism(oldParallelism: Int,
+                                     newParallelism: Int,
+                                     save: Boolean) {
+        start(Bundle().apply {
+            putInt(DatabaseTaskNotificationService.OLD_ELEMENT_KEY, oldParallelism)
+            putInt(DatabaseTaskNotificationService.NEW_ELEMENT_KEY, newParallelism)
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_UPDATE_PARALLELISM_TASK)
+    }
+
+    /**
+     * Save Database without parameter
+     */
+    fun startDatabaseSave(save: Boolean) {
+        start(Bundle().apply {
+            putBoolean(DatabaseTaskNotificationService.SAVE_DATABASE_KEY, save)
+        }
+                , ACTION_DATABASE_SAVE)
+    }
 }

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

@@ -1,63 +1,50 @@
 /*
  * Copyright 2019 Jeremy Jamet / Kunzisoft.
  *     
- * This file is part of KeePass DX.
+ * This file is part of KeePassDX.
  *
- *  KeePass DX is free software: you can redistribute it and/or modify
+ *  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.
  *
- *  KeePass DX is distributed in the hope that it will be useful,
+ *  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 KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *  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
-import com.kunzisoft.keepass.database.exception.PwDbOutputException
+import com.kunzisoft.keepass.database.exception.DatabaseException
 import com.kunzisoft.keepass.tasks.ActionRunnable
-import java.io.IOException
 
-abstract class SaveDatabaseRunnable(protected var context: Context,
+open class SaveDatabaseRunnable(protected var context: Context,
                                 protected var database: Database,
-                                private val save: Boolean,
-                                nestedAction: ActionRunnable? = null) : ActionRunnable(nestedAction) {
+                                private var saveDatabase: Boolean)
+    : ActionRunnable() {
 
-    // TODO Service to prevent background thread kill
-    override fun run() {
-        if (save) {
+    var mAfterSaveDatabase: ((Result) -> Unit)? = null
+
+    override fun onStartRun() {}
+
+    override fun onActionRun() {
+        if (saveDatabase && result.isSuccess) {
             try {
                 database.saveData(context.contentResolver)
-            } catch (e: IOException) {
-                finishRun(false, e.message)
-            } catch (e: PwDbOutputException) {
-                finishRun(false, e.message)
+            } catch (e: DatabaseException) {
+                setError(e)
             }
         }
-
-        // Need to call super.run() in child class
     }
 
-    override fun onFinishRun(result: Result) {
-        // Need to call super.onFinishRun(result) in child class
-    }
-}
-
-class SaveDatabaseActionRunnable(context: Context,
-                                 database: Database,
-                                 save: Boolean,
-                                 nestedAction: ActionRunnable? = null)
-    : SaveDatabaseRunnable(context, database, save, nestedAction) {
-
-    override fun run() {
-        super.run()
-        finishRun(true)
+    override fun onFinishRun() {
+        // Need to call super.onFinishRun() in child class
+        mAfterSaveDatabase?.invoke(result)
     }
 }

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

@@ -0,0 +1,66 @@
+/*
+ * 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.action
+
+import android.content.Context
+import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.database.element.database.CompressionAlgorithm
+
+class UpdateCompressionBinariesDatabaseRunnable (
+        context: Context,
+        database: Database,
+        private val oldCompressionAlgorithm: CompressionAlgorithm,
+        private val newCompressionAlgorithm: CompressionAlgorithm,
+        saveDatabase: Boolean)
+    : SaveDatabaseRunnable(context, database, saveDatabase) {
+
+    override fun onStartRun() {
+        // Set new compression
+        if (database.allowDataCompression) {
+            try {
+                database.apply {
+                    updateDataBinaryCompression(oldCompressionAlgorithm, newCompressionAlgorithm)
+                    compressionAlgorithm = newCompressionAlgorithm
+                }
+            } catch (e: Exception) {
+                setError(e)
+            }
+        }
+
+        super.onStartRun()
+    }
+
+    override fun onFinishRun() {
+        super.onFinishRun()
+
+        if (database.allowDataCompression) {
+            if (!result.isSuccess) {
+                try {
+                    database.apply {
+                        compressionAlgorithm = oldCompressionAlgorithm
+                        updateDataBinaryCompression(newCompressionAlgorithm, oldCompressionAlgorithm)
+                    }
+                } catch (e: Exception) {
+                    setError(e)
+                }
+            }
+        }
+    }
+}

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

@@ -0,0 +1,44 @@
+/*
+ * 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.history
+
+import android.content.Context
+import com.kunzisoft.keepass.database.action.SaveDatabaseRunnable
+import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.database.element.Entry
+
+class DeleteEntryHistoryDatabaseRunnable (
+        context: Context,
+        database: Database,
+        private val mainEntry: Entry,
+        private val entryHistoryPosition: Int,
+        saveDatabase: Boolean)
+    : SaveDatabaseRunnable(context, database, saveDatabase) {
+
+    override fun onStartRun() {
+        try {
+            mainEntry.removeEntryFromHistory(entryHistoryPosition)
+        } catch (e: Exception) {
+            setError(e)
+        }
+
+        super.onStartRun()
+    }
+}