Merge branch 'release/2.5.0.0beta7'

2.5.0.0beta6

.gitignore

@@ -6,6 +6,7 @@
 # Built application files
 *.apk
 *.ap_
+app/free_google/*
 
 # Files for the ART/Dalvik VM
 *.dex
@@ -39,7 +40,6 @@ captures/
 
 # Intellij
 *.iml
-<<<<<<< HEAD
 .idea/workspace.xml
 .idea/tasks.xml
 .idea/gradle.xml
@@ -49,19 +49,16 @@ captures/
 # Keystore files
 # Uncomment the following line if you do not want to check your keystore files in.
 #*.jks
-=======
 .idea/*
 
 # Keystore files
 *.jks
->>>>>>> master
 
 # External native build folder generated in Android Studio 2.2 and later
 .externalNativeBuild
 
 # Google Services (e.g. APIs or Firebase)
 google-services.json
-<<<<<<< HEAD
 
 # Freeline
 freeline.py
@@ -70,5 +67,11 @@ freeline_project_description.json
 
 # Iml Files
 app/app.iml
-=======
->>>>>>> master
+
+# Art
+art/screen*.png
+art/logo_512.png
+
+# Dir linux
+.directory
+*/.directory

.idea/misc.xml

@@ -24,7 +24,7 @@
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

CHANGELOG

@@ -1,3 +1,59 @@
+KeepassDX (2.5.0.0beta7)
+ * Rebuild Notifications
+ * Change links to https
+ * Add extended Ascii (ñæËÌÂÝÜ...)
+ * Upgrade custom visibility font
+ * Best fingerprint error management
+ * Add setting to prevent the password copy
+ * Fix bugs
+
+KeepassDX (2.5.0.0beta6)
+ * Fix crash
+
+KeepassDX (2.5.0.0beta5)
+ * Autofill (Android O)
+ * Deletion for group
+ * New sorts with (Asc/Dsc, Groups before or after)
+ * Better permission management with dialog at runtime
+ * Setting to change font of field (monospace for a better visibility)
+ * Open kdbx and kdb files from file browser
+ * Change sort of fields
+ * Hide empty fields
+ * Add copy button for Username / Password and extra field
+ * Add 5, 10, 20 seconds and 15 minutes of clipboard timeout
+ * Hide "show password" icon when password not present
+ * New animations for add button
+ * New list to add and delete node with animation
+ * Change view for better cohesion
+ * Upgrade translations
+ * Fix crash for API < Kitkat
+ * Fix fingerprint bugs
+ * Fix many small bugs
+ * Add recycle bin setting (not yet accessible)
+
+KeepassDX (2.5.0.0beta4)
+ * Show only file name
+ * Setting for full path
+ * Add information for each database file
+ * Setting to delete fingerprints
+ * Solve bugs when change fingerprint
+ * Delete view assignment for fingerprint opening
+ * Merge KeePassDroid 2.2.1
+
+KeepassDX (2.5.0.0beta3)
+ * New database workflow with new screens and folder selection
+ * Settings for default password generation
+ * Fingerprint dialog for explanations
+ * Setting to disable fingerprint
+ * Directly opening kdbx file
+ * Setting to disable notifications
+ * Setting to lock database when screen is shut off
+ * Merge KeePassDroid 2.2.0.9
+ * Add corruption fix mode
+
+KeepassDX (2.5.0.0beta2)
+ * Remove libs for F-Droid
+
 KeepassDX (2.5.0.0beta1)
  * Fork KeepassDroid
  * Add Material Design
@@ -7,6 +63,37 @@ KeepassDX (2.5.0.0beta1)
  * Update French translation
  * Change donation (see KeepassDroid to contribute on both projects)
 
+KeePassDroid (2.2.1)
+ * Fix kdbx4 date corruption
+ * Updated German translations
+
+KeePassDroid (2.2.0.9)
+ * Update build tools version to workaround CM/Lineage bug (closes: #249)
+ * Update Russian translations
+ * Update Polish translations
+
+KeePassDroid (2.2.0.8)
+ * Add corruption fix mode
+ * Update Hungarian translations
+
+KeePassDroid (2.2.0.7)
+ * Fix KDBX3 encryption rounds corruption
+ * Fix KDBX4 attachement crashes
+
+KeePassDroid (2.2.0.6)
+ * Add additional ndk ABIs
+
+KeePassDroid (2.2.0.5)
+ * Don't show fingerprint prompt on devices without fingerprint hardware
+ * Fix dateformat crashes
+
+KeePassDroid (2.2.0.4)
+ * Fingerprint fixes
+
+KeePassDroid (2.2.0.3)
+ * Search crash fix
+ * Improve fingerprint handling
+
 KeePassDroid (2.2.0.2)
  * Fix non fingerprint password layout
 

CONTRIBUTORS

@@ -14,14 +14,14 @@ Tadashi Saito
 vhschlenker
 bumper314 - Samsung multiwindow support
 Hans Cappelle - fingerprint sensor integration
-Jeremy Jamet - Material Design - Patches
+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 - German
+MaWi, rvs2008, meviox, MaDill, EdlerProgrammierer, Jan Thomas - German
 yslandro - Norwegian Nynorsk
 王科峰 - Chinese
 Typhoon - Slovak
@@ -30,7 +30,7 @@ Matsuu Takuto - Japanese
 Carlos Schlyter - Portugese (Brazil)
 YSmhXQDd6Z - Portugese (Portugal)
 andriykopanytsia - Ukranian
-intel - Hungarian
+intel, Zoltán Antal - Hungarian
 H Vanek - Czech
 jipanos - Spanish
 Erik Fdevriendt, Erik Jan Meijer - Dutch

ReadMe.md

@@ -1,17 +1,19 @@
 # Android Keepass DX
 
-<img src="https://raw.githubusercontent.com/Kunzisoft/KeePassDX/master/art/logo.png"> Keepass DX is a material design Keepass Client for manage keys and passwords in crypt database for your android device.
+<img src="https://raw.githubusercontent.com/Kunzisoft/KeePassDX/master/fastlane/metadata/android/en-US/images/icon.png"> Keepass DX is a material design Keepass Client for manage keys and passwords in crypt database for your android device.
 
 ### Features
 
-- Create database file / entries and groups
-- Open database, copy username / password, open URI / URL
-- Fingerprint for fast unlocking
-- Material design with themes
-- Device integration and AutoFill (In progress)
+* Create database files / entries and groups
+* Support for .kdb and .kdbx files (version 1 to 4)
+* Open database, copy username / password, open URI / URL
+* Fingerprint for fast unlocking
+* Material design with themes
+* AutoFill and Integration (Development in progress)
+* Precise management of settings
 
-<img src="https://raw.githubusercontent.com/Kunzisoft/KeePassDX/master/art/screen0.jpg" width="220">
-<img src="https://raw.githubusercontent.com/Kunzisoft/KeePassDX/master/art/screen2.jpg" width="220">
+<img src="https://raw.githubusercontent.com/Kunzisoft/KeePassDX/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screen1.jpg" width="220">
+<img src="https://raw.githubusercontent.com/Kunzisoft/KeePassDX/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screen2.jpg" width="220">
 
 ## What is KeePass?
 
@@ -27,22 +29,22 @@ Yes, KeePass is really free, and more than that: it is open source (OSI certifie
 
 Even if the application is free, to maintain the application, you can make donations.
 
-[![Donation Paypal](https://4.bp.blogspot.com/-ncaIbUGaHOk/WfhaThYUPGI/AAAAAAAAAVQ/_HidNgdB1q4DaC24ujaKNzH64KUUJiQewCLcBGAs/s1600/pay-with-paypal.png "")](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=KM6QMDAXZM3UU "Kunzisoft Paypal Donation")
+[![Donation Paypal](https://4.bp.blogspot.com/-ncaIbUGaHOk/WfhaThYUPGI/AAAAAAAAAVQ/_HidNgdB1q4DaC24ujaKNzH64KUUJiQewCLcBGAs/s1600/pay-with-paypal.png)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=KM6QMDAXZM3UU "Kunzisoft Paypal Donation")
 
-[![Donation Liberapay](https://liberapay.com/assets/widgets/donate.svg "")](https://liberapay.com/Kunzisoft/donate "Kunzisoft Liberapay Donation")
+[![Donation Liberapay](https://liberapay.com/assets/widgets/donate.svg)](https://liberapay.com/Kunzisoft/donate "Kunzisoft Liberapay Donation")
 
-<img src="https://raw.githubusercontent.com/Kunzisoft/KeePassDX/master/art/screen4.jpg" width="220">
-<img src="https://raw.githubusercontent.com/Kunzisoft/KeePassDX/master/art/screen5.jpg" width="220">
+<img src="https://raw.githubusercontent.com/Kunzisoft/KeePassDX/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screen4.jpg" width="220">
+<img src="https://raw.githubusercontent.com/Kunzisoft/KeePassDX/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screen5.jpg" width="220">
 
-### JNI
+## Download
 
-Native library build instructions:
-1. Make sure you have the latest MIPS Android NDK installed: 
-   https://developer.android.com/tools/sdk/ndk/index.html
-2. From KeePassDroid/app/src/main/jni, call prep_build.sh to download and unpack the crypto sources.
-3. The standard gradle files build everything now.
+[<img src="https://f-droid.org/badge/get-it-on.png"
+      alt="Get it on F-Droid"
+      height="80">](https://f-droid.org/en/packages/com.kunzisoft.keepass.libre/)
 
-This project is a fork of [KeepassDroid](https://github.com/bpellin/keepassdroid) by bpellin.
+[<img src="https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png"
+      alt="Get it on Google Play"
+	height="80">](https://play.google.com/store/apps/details?id=com.kunzisoft.keepass.free)
 
 ## License
 
@@ -62,3 +64,5 @@ This project is a fork of [KeepassDroid](https://github.com/bpellin/keepassdroid
 
   You should have received a copy of the GNU General Public License
   along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+  
+  This project is a fork of [KeepassDroid](https://github.com/bpellin/keepassdroid) by bpellin.

app/build.gradle

@@ -1,18 +1,24 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion = 25
-    buildToolsVersion = "26.0.2"
+    compileSdkVersion = 27
+    buildToolsVersion = "27.0.3"
 
     defaultConfig {
         applicationId "com.kunzisoft.keepass"
         minSdkVersion 14
-        targetSdkVersion 25
-        versionCode = 2
-        versionName = "2.5.0.0beta2"
+        targetSdkVersion 27
+        versionCode = 7
+        versionName = "2.5.0.0beta7"
+        multiDexEnabled true
 
         testApplicationId = "com.keepassdroid.tests"
         testInstrumentationRunner = "android.test.InstrumentationTestRunner"
+
+        ndk {
+            abiFilters 'x86', 'x86_64', 'armeabi', 'armeabi-v7a',
+                    'arm64-v8a', 'mips', 'mips64'
+        }
     }
 
     externalNativeBuild {
@@ -21,6 +27,7 @@ android {
         }
     }
 
+
     buildTypes {
         release {
             minifyEnabled = false
@@ -52,18 +59,34 @@ android {
             buildConfigField "boolean", "GOOGLE_PLAY_VERSION", "true"
         }
     }
+    compileOptions {
+        targetCompatibility 1.8
+        sourceCompatibility 1.8
+    }
 }
 
-def supportVersion = "25.4.0"
+def supportVersion = "27.1.0"
 def spongycastleVersion = "1.58.0.0"
+def permissionDispatcherVersion = "3.1.0"
 
 dependencies {
-    androidTestCompile "junit:junit:4.12"
-    compile "com.android.support:appcompat-v7:$supportVersion"
-    compile "com.android.support:design:$supportVersion"
-    compile "com.android.support:preference-v7:$supportVersion"
-    compile "com.android.support:preference-v14:$supportVersion"
-    compile "com.madgag.spongycastle:core:$spongycastleVersion"
-    compile "com.madgag.spongycastle:prov:$spongycastleVersion"
-    compile "joda-time:joda-time:2.9.9"
+    implementation "com.android.support:appcompat-v7:$supportVersion"
+    implementation "com.android.support:design:$supportVersion"
+    implementation "com.android.support:preference-v7:$supportVersion"
+    implementation "com.android.support:preference-v14:$supportVersion"
+    implementation "com.android.support:cardview-v7:$supportVersion"
+    implementation "com.madgag.spongycastle:core:$spongycastleVersion"
+    implementation "com.madgag.spongycastle:prov:$spongycastleVersion"
+    // Time
+    implementation "joda-time:joda-time:2.9.9"
+    implementation "org.sufficientlysecure:html-textview:3.5"
+    implementation "com.nononsenseapps:filepicker:4.1.0"
+    // Permissions
+    implementation ("com.github.hotchemi:permissionsdispatcher:$permissionDispatcherVersion") {
+        // if you don't use android.app.Fragment you can exclude support for them
+        exclude module: "support-v13"
+    }
+    annotationProcessor "com.github.hotchemi:permissionsdispatcher-processor:$permissionDispatcherVersion"
+    implementation group: 'com.google.code.gson', name: 'gson', version: '2.8.1'
+    implementation group: 'com.google.guava', name: 'guava', version: '23.0-android'
 }

app/src/androidTest/java/com/keepassdroid/tests/PwEntryTestV3.java

@@ -42,7 +42,7 @@ public class PwEntryTestV3 extends AndroidTestCase {
 	}
 	
 	public void testName() {
-		assertTrue("Name was " + mPE.title, mPE.title.equals("Amazon"));
+		assertTrue("Name was " + mPE.getTitle(), mPE.getTitle().equals("Amazon"));
 	}
 	
 	public void testPassword() throws UnsupportedEncodingException {
@@ -54,7 +54,7 @@ public class PwEntryTestV3 extends AndroidTestCase {
 	
 	public void testCreation() {
 		Calendar cal = Calendar.getInstance();
-		cal.setTime(mPE.tCreation.getJDate());
+		cal.setTime(mPE.getCreationTime().getDate());
 		
 		assertEquals("Incorrect year.", cal.get(Calendar.YEAR), 2009);
 		assertEquals("Incorrect month.", cal.get(Calendar.MONTH), 3);

app/src/androidTest/java/com/keepassdroid/tests/PwEntryTestV4.java

@@ -19,10 +19,7 @@
  */
 package com.keepassdroid.tests;
 
-import java.util.UUID;
-
-import junit.framework.TestCase;
-
+import com.keepassdroid.database.AutoType;
 import com.keepassdroid.database.PwEntryV4;
 import com.keepassdroid.database.PwGroupV4;
 import com.keepassdroid.database.PwIconCustom;
@@ -30,29 +27,33 @@ import com.keepassdroid.database.PwIconStandard;
 import com.keepassdroid.database.security.ProtectedBinary;
 import com.keepassdroid.database.security.ProtectedString;
 
+import junit.framework.TestCase;
+
+import java.util.UUID;
+
 public class PwEntryTestV4 extends TestCase {
 	public void testAssign() {
 		PwEntryV4 entry = new PwEntryV4();
 		
-		entry.additional = "test223";
+		entry.setAdditional("test223");
 		
-		entry.autoType = entry.new AutoType();
-		entry.autoType.defaultSequence = "1324";
-		entry.autoType.enabled = true;
-		entry.autoType.obfuscationOptions = 123412432109L;
-		entry.autoType.put("key", "value");
+		entry.setAutoType(new AutoType());
+		entry.getAutoType().defaultSequence = "1324";
+		entry.getAutoType().enabled = true;
+		entry.getAutoType().obfuscationOptions = 123412432109L;
+		entry.getAutoType().put("key", "value");
 		
-		entry.backgroupColor = "blue";
-		entry.binaries.put("key1", new ProtectedBinary(false, new byte[] {0,1}));
-		entry.customIcon = new PwIconCustom(UUID.randomUUID(), new byte[0]);
-		entry.foregroundColor = "red";
-		entry.history.add(new PwEntryV4());
-		entry.icon = new PwIconStandard(5);
-		entry.overrideURL = "override";
-		entry.parent = new PwGroupV4();
-		entry.strings.put("key2", new ProtectedString(false, "value2"));
-		entry.url = "http://localhost";
-		entry.uuid = UUID.randomUUID();
+		entry.setBackgroupColor("blue");
+		entry.putProtectedBinary("key1", new ProtectedBinary(false, new byte[] {0,1}));
+		entry.setCustomIcon(new PwIconCustom(UUID.randomUUID(), new byte[0]));
+		entry.setForegroundColor("red");
+		entry.addToHistory(new PwEntryV4());
+		entry.setIcon(new PwIconStandard(5));
+		entry.setOverrideURL("override");
+		entry.setParent(new PwGroupV4());
+		entry.addField("key2", new ProtectedString(false, "value2"));
+		entry.setUrl("http://localhost");
+		entry.setUUID(UUID.randomUUID());
 
 		PwEntryV4 target = new PwEntryV4();
 		target.assign(entry);

app/src/androidTest/java/com/keepassdroid/tests/PwGroupTest.java

@@ -38,7 +38,7 @@ public class PwGroupTest extends AndroidTestCase {
 	}
 	
 	public void testGroupName() {
-		 assertTrue("Name was " + mPG.name, mPG.name.equals("Internet"));
+		 assertTrue("Name was " + mPG.getName(), mPG.getName().equals("Internet"));
 	}
 }
 

app/src/androidTest/java/com/keepassdroid/tests/database/DeleteEntry.java

@@ -24,7 +24,7 @@ import java.util.List;
 import android.content.Context;
 import android.test.AndroidTestCase;
 
-import com.keepassdroid.Database;
+import com.keepassdroid.database.Database;
 import com.keepassdroid.database.PwDatabase;
 import com.keepassdroid.database.PwDatabaseV3;
 import com.keepassdroid.database.PwEntry;
@@ -74,8 +74,8 @@ public class DeleteEntry extends AndroidTestCase {
 		PwGroup results1 = dbHelp.search(db, ENTRY1_NAME);
 		PwGroup results2 = dbHelp.search(db, ENTRY2_NAME);
 		
-		assertEquals("Entry1 was not removed from the search results", 0, results1.childEntries.size());
-		assertEquals("Entry2 was not removed from the search results", 0, results2.childEntries.size());
+		assertEquals("Entry1 was not removed from the search results", 0, results1.numbersOfChildEntries());
+		assertEquals("Entry2 was not removed from the search results", 0, results2.numbersOfChildEntries());
 		
 		// Verify the group was deleted
 		group1 = getGroup(pm, GROUP1_NAME);

app/src/androidTest/java/com/keepassdroid/tests/database/EntryV4.java

@@ -32,19 +32,21 @@ public class EntryV4 extends TestCase {
 		db.historyMaxItems = 2;
 		
 		PwEntryV4 entry = new PwEntryV4();
-		entry.setTitle("Title1", db);
-		entry.setUsername("User1", db);
+		entry.startToDecodeReference(db);
+		entry.setTitle("Title1");
+		entry.setUsername("User1");
 		entry.createBackup(db);
 		
-		entry.setTitle("Title2", db);
-		entry.setUsername("User2", db);
+		entry.setTitle("Title2");
+		entry.setUsername("User2");
 		entry.createBackup(db);
 		
-		entry.setTitle("Title3", db);
-		entry.setUsername("User3", db);
+		entry.setTitle("Title3");
+		entry.setUsername("User3");
 		entry.createBackup(db);
 		
-		PwEntryV4 backup = entry.history.get(0);
+		PwEntryV4 backup = entry.getHistory().get(0);
+		entry.endToDecodeReference(db);
 		assertEquals("Title2", backup.getTitle());
 		assertEquals("User2", backup.getUsername());
 	}

app/src/androidTest/java/com/keepassdroid/tests/database/SprEngineTest.java

@@ -27,15 +27,16 @@ import android.content.res.AssetManager;
 import android.test.AndroidTestCase;
 import biz.source_code.base64Coder.Base64Coder;
 
+import com.keepassdroid.database.PwDatabase;
 import com.keepassdroid.database.PwDatabaseV4;
 import com.keepassdroid.database.PwEntryV4;
 import com.keepassdroid.database.load.ImporterV4;
-import com.keepassdroid.utils.SprEngine;
+import com.keepassdroid.utils.SprEngineV4;
 import com.keepassdroid.utils.Types;
 
 public class SprEngineTest extends AndroidTestCase {
 	private PwDatabaseV4 db;
-	private SprEngine spr;
+	private SprEngineV4 spr;
 	
 	@Override
 	protected void setUp() throws Exception {
@@ -51,7 +52,7 @@ public class SprEngineTest extends AndroidTestCase {
 		
 		is.close();
 		
-		spr = SprEngine.getInstance(db);
+		spr = new SprEngineV4();
 	}
 	
 	private final String REF = "{REF:P@I:2B1D56590D961F48A8CE8C392CE6CD35}";
@@ -69,7 +70,7 @@ public class SprEngineTest extends AndroidTestCase {
 	
 	private UUID decodeUUID(String encoded) {
 		if (encoded == null || encoded.length() == 0 ) {
-			return PwDatabaseV4.UUID_ZERO;
+			return PwDatabase.UUID_ZERO;
 		}
 		
 		byte[] buf = Base64Coder.decode(encoded);

app/src/androidTest/java/com/keepassdroid/tests/database/TestData.java

@@ -25,12 +25,10 @@ import android.content.Context;
 import android.content.res.AssetManager;
 import android.net.Uri;
 
-import com.keepassdroid.Database;
+import com.keepassdroid.database.Database;
 import com.keepassdroid.database.PwDatabaseV3Debug;
 import com.keepassdroid.database.load.Importer;
 import com.keepassdroid.tests.TestUtil;
-import com.keepassdroid.utils.EmptyUtils;
-import com.keepassdroid.utils.UriUtil;
 
 public class TestData {
 	private static final String TEST1_KEYFILE = "";

app/src/androidTest/java/com/keepassdroid/tests/search/SearchTest.java

@@ -25,8 +25,7 @@ import android.content.SharedPreferences;
 import android.preference.PreferenceManager;
 import android.test.AndroidTestCase;
 
-import com.kunzisoft.keepass.R;
-import com.keepassdroid.Database;
+import com.keepassdroid.database.Database;
 import com.keepassdroid.database.PwGroup;
 import com.keepassdroid.tests.database.TestData;
 
@@ -43,7 +42,7 @@ public class SearchTest extends AndroidTestCase {
 	
 	public void testSearch() {
 		PwGroup results = mDb.Search("Amazon");
-		assertTrue("Search result not found.", results.childEntries.size() > 0);
+		assertTrue("Search result not found.", results.numbersOfChildEntries() > 0);
 		
 	}
 	
@@ -51,14 +50,14 @@ public class SearchTest extends AndroidTestCase {
 		updateOmitSetting(false);
 		PwGroup results = mDb.Search("BackupOnly");
 		
-		assertTrue("Search result not found.", results.childEntries.size() > 0);
+		assertTrue("Search result not found.", results.numbersOfChildEntries() > 0);
 	}
 	
 	public void testBackupExcluded() {
 		updateOmitSetting(true);
 		PwGroup results = mDb.Search("BackupOnly");
 		
-		assertFalse("Search result found, but should not have been.", results.childEntries.size() > 0);
+		assertFalse("Search result found, but should not have been.", results.numbersOfChildEntries() > 0);
 	}
 	
 	private void updateOmitSetting(boolean setting) {
@@ -66,7 +65,7 @@ public class SearchTest extends AndroidTestCase {
 		SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(ctx);
 		SharedPreferences.Editor editor = prefs.edit();
 		
-		editor.putBoolean(ctx.getString(R.string.omitbackup_key), setting);
+		editor.putBoolean("settings_omitbackup_key", setting);
 		editor.commit();
 		
 	}

app/src/main/AndroidManifest.xml

@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-      package="com.kunzisoft.keepass"
-      android:installLocation="auto">
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.kunzisoft.keepass"
+    android:installLocation="auto">
     <supports-screens
       android:smallScreens="true"
       android:normalScreens="true"
@@ -19,10 +20,32 @@
         android:allowBackup="true"
         android:fullBackupContent="@xml/backup"
         android:backupAgent="com.keepassdroid.backup.SettingsBackupAgent"
-        android:theme="@style/KeepassDXStyle.Light">
+        android:theme="@style/KeepassDXStyle.Light"
+        tools:replace="android:theme">
         <!-- TODO backup API Key -->
-        <meta-data android:name="com.google.android.backup.api_key"
-          android:value="" />
+        <meta-data
+            android:name="com.google.android.backup.api_key"
+            android:value="" />
+
+        <!-- Folder picker -->
+        <provider
+            android:name="android.support.v4.content.FileProvider"
+            android:authorities="${applicationId}.provider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/nnf_provider_paths" />
+        </provider>
+        <activity
+            android:name="com.keepassdroid.fileselect.FilePickerStylishActivity"
+            android:label="@string/app_name">
+            <intent-filter>
+                <action android:name="android.intent.action.GET_CONTENT" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
+
         <activity android:name=".KeePass"
                   android:label="@string/app_name">
             <intent-filter>
@@ -30,18 +53,26 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name="com.keepassdroid.fileselect.FileSelectActivity"
+        <activity
+            android:name="com.keepassdroid.fileselect.FileSelectActivity"
+            android:launchMode="singleInstance"
             android:configChanges="orientation|keyboardHidden"
             android:windowSoftInputMode="stateHidden" />
-        <activity android:name="com.keepassdroid.AboutActivity"
+        <activity
+            android:name="com.keepassdroid.activities.AboutActivity"
+            android:launchMode="singleInstance"
             android:label="@string/menu_about" />
-        <activity android:name="com.keepassdroid.PasswordActivity" android:configChanges="orientation|keyboardHidden">
+        <activity
+            android:name="com.keepassdroid.password.PasswordActivity"
+            android:configChanges="orientation|keyboardHidden"
+            android:windowSoftInputMode="adjustResize">
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
                 <category android:name="android.intent.category.DEFAULT" />
                 <category android:name="android.intent.category.BROWSABLE" />
                 <data android:scheme="file" />
-                <data android:mimeType="*/*" />
+                <data android:scheme="content" />
+                <data android:mimeType="application/octet-stream" />
                 <data android:host="*" />
                 <data android:pathPattern=".*\\.kdb" />
                 <data android:pathPattern=".*\\..*\\.kdb" />
@@ -64,46 +95,63 @@
                 <data android:pathPattern=".*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\.kdbx" />
                 <data android:pathPattern=".*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\.kdbx" />
             </intent-filter>
-        </activity>
-        <activity android:name="com.keepassdroid.GroupActivityV3" android:configChanges="orientation|keyboardHidden">
-            <!-- This metadata entry causes .app.SearchQueryResults to be the default context -->
-            <!-- whenever the user invokes search while in this Activity. -->
-            <meta-data android:name="android.app.default_searchable"
-                       android:value="com.keepassdroid.search.SearchResults" />
-        </activity>
-        <activity android:name="com.keepassdroid.GroupActivityV4" android:configChanges="orientation|keyboardHidden">
-            <!-- This metadata entry causes .app.SearchQueryResults to be the default context -->
-            <!-- whenever the user invokes search while in this Activity. -->
-            <meta-data android:name="android.app.default_searchable"
-                       android:value="com.keepassdroid.search.SearchResults"
-                       android:exported="false" />
+            <intent-filter tools:ignore="AppLinkUrlError">
+                <action android:name="android.intent.action.VIEW"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+                <category android:name="android.intent.category.BROWSABLE"/>
+                <data android:mimeType="application/octet-stream"/>
+            </intent-filter>
         </activity>
         <activity
-            android:name="com.keepassdroid.EntryActivity"
+            android:name="com.keepassdroid.activities.GroupActivity"
+            android:configChanges="orientation|keyboardHidden"
+            android:windowSoftInputMode="adjustPan">
+            <meta-data
+                android:name="android.app.default_searchable"
+                android:value="com.keepassdroid.search.SearchResults"
+                android:exported="false"/>
+        </activity>
+        <activity
+            android:name="com.keepassdroid.activities.EntryActivity"
             android:configChanges="orientation|keyboardHidden"
             android:windowSoftInputMode="stateHidden" />
         <activity
-            android:name="com.keepassdroid.EntryActivityV4"
+            android:name="com.keepassdroid.activities.EntryEditActivity"
             android:configChanges="orientation|keyboardHidden"
             android:windowSoftInputMode="stateHidden" />
         <activity
-            android:name="com.keepassdroid.EntryEditActivityV3"
-            android:configChanges="orientation|keyboardHidden"
-            android:windowSoftInputMode="stateHidden" />
-        <activity
-            android:name="com.keepassdroid.EntryEditActivityV4"
-            android:configChanges="orientation|keyboardHidden"
-            android:windowSoftInputMode="stateHidden" />
-        <activity android:name="com.keepassdroid.search.SearchResultsActivity" android:launchMode="standard">
+            android:name="com.keepassdroid.search.SearchResultsActivity"
+            android:launchMode="standard">
             <intent-filter>
                 <action android:name="android.intent.action.SEARCH" />
                 <category android:name="android.intent.category.DEFAULT" />
              </intent-filter>
-            <meta-data android:name="android.app.searchable" android:resource="@xml/searchable" />
+            <meta-data
+                android:name="android.app.searchable"
+                android:resource="@xml/searchable" />
         </activity>
         <activity android:name="com.keepassdroid.settings.SettingsActivity" />
+        <activity android:name="com.keepassdroid.autofill.AutoFillAuthActivity"
+            android:configChanges="orientation|keyboardHidden" />
+        <activity android:name="com.keepassdroid.settings.SettingsAutofillActivity" />
 
-        <service android:name="com.keepassdroid.services.TimeoutService" />
+        <service android:name="com.keepassdroid.timeout.TimeoutService" />
+        <service
+            android:name="com.keepassdroid.notifications.NotificationCopyingService"
+            android:enabled="true"
+            android:exported="false" />
+        <service
+            android:name="com.keepassdroid.autofill.KeeAutofillService"
+            android:label="@string/autofill_service_name"
+            android:permission="android.permission.BIND_AUTOFILL_SERVICE">
+            <meta-data
+                android:name="android.autofill"
+                android:resource="@xml/dataset_service" />
+
+            <intent-filter>
+                <action android:name="android.service.autofill.AutofillService" />
+            </intent-filter>
+        </service>
         <meta-data android:name="com.sec.android.support.multiwindow" android:value="true" />
     </application>
 </manifest> 

app/src/main/java/com/keepassdroid/CancelDialog.java

@@ -1,42 +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 2 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.keepassdroid;
-
-import android.app.Dialog;
-import android.content.Context;
-
-public class CancelDialog extends Dialog {
-
-	private boolean mCanceled = false; 
-	
-	public CancelDialog(Context context) {
-		super(context);
-	}
-	
-	public boolean canceled() {
-		return mCanceled;
-	}
-
-	@Override
-	public void cancel() {
-		super.cancel();
-		mCanceled = true;
-	}
-}

app/src/main/java/com/keepassdroid/EntryActivity.java

@@ -1,491 +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 2 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.keepassdroid;
-
-import android.app.Activity;
-import android.app.AlertDialog;
-import android.app.Notification;
-import android.app.NotificationManager;
-import android.app.PendingIntent;
-import android.content.ActivityNotFoundException;
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.content.SharedPreferences;
-import android.os.Bundle;
-import android.os.Handler;
-import android.preference.PreferenceManager;
-import android.support.v7.widget.Toolbar;
-import android.support.v4.app.NotificationCompat;
-import android.text.SpannableString;
-import android.text.method.LinkMovementMethod;
-import android.text.method.PasswordTransformationMethod;
-import android.text.util.Linkify;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.widget.ImageView;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import com.kunzisoft.keepass.KeePass;
-import com.kunzisoft.keepass.R;
-import com.keepassdroid.app.App;
-import com.keepassdroid.compat.ActivityCompat;
-import com.keepassdroid.database.PwDatabase;
-import com.keepassdroid.database.PwEntry;
-import com.keepassdroid.database.PwEntryV4;
-import com.keepassdroid.database.exception.SamsungClipboardException;
-import com.keepassdroid.intents.Intents;
-import com.keepassdroid.utils.EmptyUtils;
-import com.keepassdroid.utils.MenuUtil;
-import com.keepassdroid.utils.Types;
-import com.keepassdroid.utils.Util;
-
-import java.text.DateFormat;
-import java.util.Date;
-import java.util.Timer;
-import java.util.TimerTask;
-import java.util.UUID;
-
-public class EntryActivity extends LockCloseHideActivity {
-	public static final String KEY_ENTRY = "entry";
-	public static final String KEY_REFRESH_POS = "refresh_pos";
-
-	public static final int NOTIFY_USERNAME = 1;
-	public static final int NOTIFY_PASSWORD = 2;
-	
-	public static void Launch(Activity act, PwEntry pw, int pos) {
-		Intent i;
-		
-		if ( pw instanceof PwEntryV4 ) {
-			i = new Intent(act, EntryActivityV4.class);
-		} else {
-			i = new Intent(act, EntryActivity.class);
-		}
-		
-		i.putExtra(KEY_ENTRY, Types.UUIDtoBytes(pw.getUUID()));
-		i.putExtra(KEY_REFRESH_POS, pos);
-		
-		act.startActivityForResult(i,0);
-	}
-	
-	protected PwEntry mEntry;
-	private Timer mTimer = new Timer();
-	private boolean mShowPassword;
-	private int mPos;
-	private NotificationManager mNM;
-	private BroadcastReceiver mIntentReceiver;
-	protected boolean readOnly = false;
-	
-	private DateFormat dateFormat;
-	private DateFormat timeFormat;
-	
-	protected void setEntryView() {
-		setContentView(R.layout.entry_view);
-	}
-	
-	protected void setupEditButtons() {
-		View edit = findViewById(R.id.entry_edit);
-		edit.setOnClickListener(new View.OnClickListener() {
-
-			public void onClick(View v) {
-				EntryEditActivity.Launch(EntryActivity.this, mEntry);
-			}
-			
-		});
-		
-		if (readOnly) {
-			edit.setVisibility(View.GONE);
-		}
-	}
-
-	@Override
-	protected void onCreate(Bundle savedInstanceState) {
-		SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
-		mShowPassword = ! prefs.getBoolean(getString(R.string.maskpass_key), getResources().getBoolean(R.bool.maskpass_default));
-		
-		super.onCreate(savedInstanceState);
-		setEntryView();
-
-        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
-        setSupportActionBar(toolbar);
-        assert getSupportActionBar() != null;
-		getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_close_white_24dp);
-        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-        getSupportActionBar().setDisplayShowHomeEnabled(true);
-		
-		Context appCtx = getApplicationContext();
-		dateFormat = android.text.format.DateFormat.getDateFormat(appCtx);
-		timeFormat = android.text.format.DateFormat.getTimeFormat(appCtx);
-
-		Database db = App.getDB();
-		// Likely the app has been killed exit the activity 
-		if ( ! db.Loaded() ) {
-			finish();
-			return;
-		}
-		readOnly = db.readOnly;
-
-		setResult(KeePass.EXIT_NORMAL);
-
-		Intent i = getIntent();
-		UUID uuid = Types.bytestoUUID(i.getByteArrayExtra(KEY_ENTRY));
-		mPos = i.getIntExtra(KEY_REFRESH_POS, -1);
-		assert(uuid != null);
-		
-		mEntry = db.pm.entries.get(uuid);
-		if (mEntry == null) {
-			Toast.makeText(this, R.string.entry_not_found, Toast.LENGTH_LONG).show();
-			finish();
-			return;
-		}
-		
-		// Refresh Menu contents in case onCreateMenuOptions was called before mEntry was set
-		ActivityCompat.invalidateOptionsMenu(this);
-		
-		// Update last access time.
-		mEntry.touch(false, false);
-		
-		fillData(false);
-
-		setupEditButtons();
-		
-		// Notification Manager
-		mNM = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
-		
-		if ( mEntry.getPassword().length() > 0 ) {
-			// only show notification if password is available
-			Notification password = getNotification(Intents.COPY_PASSWORD, R.string.copy_password);
-			mNM.notify(NOTIFY_PASSWORD, password);
-		}
-		
-		if ( mEntry.getUsername().length() > 0 ) {
-			// only show notification if username is available
-			Notification username = getNotification(Intents.COPY_USERNAME, R.string.copy_username);
-			mNM.notify(NOTIFY_USERNAME, username);
-		}
-			
-		mIntentReceiver = new BroadcastReceiver() {
-			
-			@Override
-			public void onReceive(Context context, Intent intent) {
-				String action = intent.getAction();
-
-				if ( action.equals(Intents.COPY_USERNAME) ) {
-					String username = mEntry.getUsername();
-					if ( username.length() > 0 ) {
-						timeoutCopyToClipboard(username);
-					}
-				} else if ( action.equals(Intents.COPY_PASSWORD) ) {
-					String password = new String(mEntry.getPassword());
-					if ( password.length() > 0 ) {
-						timeoutCopyToClipboard(new String(mEntry.getPassword()));
-					}
-				}
-			}
-		};
-		
-		IntentFilter filter = new IntentFilter();
-		filter.addAction(Intents.COPY_USERNAME);
-		filter.addAction(Intents.COPY_PASSWORD);
-		registerReceiver(mIntentReceiver, filter);
-	}
-	
-	@Override
-	protected void onDestroy() {
-		// These members might never get initialized if the app timed out
-		if ( mIntentReceiver != null ) {
-			unregisterReceiver(mIntentReceiver);
-		}
-		
-		if ( mNM != null ) {
-			try {
-			    mNM.cancelAll();
-			} catch (SecurityException e) {
-				// Some android devices give a SecurityException when trying to cancel notifications without the WAKE_LOCK permission,
-				// we'll ignore these.
-			}
-		}
-		
-		super.onDestroy();
-	}
-
-	private Notification getNotification(String intentText, int descResId) {
-
-		String desc = getString(descResId);
-
-		Intent intent = new Intent(intentText);
-		PendingIntent pending = PendingIntent.getBroadcast(this, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
-
-		// no longer supported for api level >22
-		// notify.setLatestEventInfo(this, getString(R.string.app_name), desc, pending);
-		// so instead using compat builder and create new notification
-		NotificationCompat.Builder builder = new NotificationCompat.Builder(this);
-		Notification notify = builder.setContentIntent(pending).setContentText(desc).setContentTitle(getString(R.string.app_name))
-				.setSmallIcon(R.drawable.notify).setTicker(desc).setWhen(System.currentTimeMillis()).build();
-
-		return notify;
-	}
-	
-	private String getDateTime(Date dt) {
-		return dateFormat.format(dt) + " " + timeFormat.format(dt);
-		
-	}
-	
-	protected void fillData(boolean trimList) {
-		ImageView iv = (ImageView) findViewById(R.id.entry_icon);
-		Database db = App.getDB();
-		db.drawFactory.assignDrawableTo(iv, getResources(), mEntry.getIcon());
-		
-		PwDatabase pm = db.pm;
-
-		populateText(R.id.entry_title, mEntry.getTitle(true, pm));
-		populateText(R.id.entry_user_name, mEntry.getUsername(true, pm));
-		
-		populateText(R.id.entry_url, mEntry.getUrl(true, pm));
-		populateText(R.id.entry_password, mEntry.getPassword(true, pm));
-		setPasswordStyle();
-		
-		populateText(R.id.entry_created, getDateTime(mEntry.getCreationTime()));
-		populateText(R.id.entry_modified, getDateTime(mEntry.getLastModificationTime()));
-		populateText(R.id.entry_accessed, getDateTime(mEntry.getLastAccessTime()));
-		
-		Date expires = mEntry.getExpiryTime();
-		if ( mEntry.expires() ) {
-			populateText(R.id.entry_expires, getDateTime(expires));
-		} else {
-			populateText(R.id.entry_expires, R.string.never);
-		}
-		populateText(R.id.entry_comment, mEntry.getNotes(true, pm));
-
-	}
-	
-	private void populateText(int viewId, int resId) {
-		TextView tv = (TextView) findViewById(viewId);
-		tv.setText(resId);
-	}
-
-	private void populateText(int viewId, String text) {
-		TextView tv = (TextView) findViewById(viewId);
-		tv.setText(text);
-	}
-
-	@Override
-	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
-		super.onActivityResult(requestCode, resultCode, data);
-		if ( resultCode == KeePass.EXIT_REFRESH || resultCode == KeePass.EXIT_REFRESH_TITLE ) {
-			fillData(true);
-			if ( resultCode == KeePass.EXIT_REFRESH_TITLE ) {
-				Intent ret = new Intent();
-				ret.putExtra(KEY_REFRESH_POS, mPos);
-				setResult(KeePass.EXIT_REFRESH, ret);
-			}
-		}
-	}
-
-	@Override
-	public boolean onCreateOptionsMenu(Menu menu) {
-		super.onCreateOptionsMenu(menu);
-		
-		MenuInflater inflater = getMenuInflater();
-        MenuUtil.donationMenuInflater(inflater, menu);
-		inflater.inflate(R.menu.entry, menu);
-		inflater.inflate(R.menu.lock_database, menu);
-
-		MenuItem togglePassword = menu.findItem(R.id.menu_toggle_pass);
-		if ( mShowPassword ) {
-			togglePassword.setTitle(R.string.menu_hide_password);
-			togglePassword.setIcon(R.drawable.ic_visibility_off_white_24dp);
-		} else {
-			togglePassword.setTitle(R.string.menu_showpass);
-            togglePassword.setIcon(R.drawable.ic_visibility_white_24dp);
-		}
-		
-		MenuItem gotoUrl = menu.findItem(R.id.menu_goto_url);
-		MenuItem copyUser = menu.findItem(R.id.menu_copy_user);
-		MenuItem copyPass = menu.findItem(R.id.menu_copy_pass);
-		
-		// In API >= 11 onCreateOptionsMenu may be called before onCreate completes
-		// so mEntry may not be set
-		if (mEntry == null) {
-			gotoUrl.setVisible(false);
-			copyUser.setVisible(false);
-			copyPass.setVisible(false);
-		}
-		else {
-			String url = mEntry.getUrl();
-			if (EmptyUtils.isNullOrEmpty(url)) {
-				// disable button if url is not available
-				gotoUrl.setVisible(false);
-			}
-			if ( mEntry.getUsername().length() == 0 ) {
-				// disable button if username is not available
-				copyUser.setVisible(false);
-			}
-			if ( mEntry.getPassword().length() == 0 ) {
-				// disable button if password is not available
-				copyPass.setVisible(false);
-			}
-		}
-		
-		return true;
-	}
-	
-	private void setPasswordStyle() {
-		TextView password = (TextView) findViewById(R.id.entry_password);
-
-		if ( mShowPassword ) {
-			password.setTransformationMethod(null);
-		} else {
-			password.setTransformationMethod(PasswordTransformationMethod.getInstance());
-		}
-	}
-
-	@Override
-	public boolean onOptionsItemSelected(MenuItem item) {
-		switch ( item.getItemId() ) {
-            case R.id.menu_donate:
-                return MenuUtil.onDonationItemSelected(this);
-
-            case R.id.menu_toggle_pass:
-                if ( mShowPassword ) {
-                    item.setTitle(R.string.menu_showpass);
-                    item.setIcon(R.drawable.ic_visibility_white_24dp);
-                    mShowPassword = false;
-                } else {
-                    item.setTitle(R.string.menu_hide_password);
-                    item.setIcon(R.drawable.ic_visibility_off_white_24dp);
-                    mShowPassword = true;
-                }
-                setPasswordStyle();
-                return true;
-			
-            case R.id.menu_goto_url:
-                String url;
-                url = mEntry.getUrl();
-
-                // Default http:// if no protocol specified
-                if ( ! url.contains("://") ) {
-                    url = "http://" + url;
-                }
-
-                try {
-                    Util.gotoUrl(this, url);
-                } catch (ActivityNotFoundException e) {
-                    Toast.makeText(this, R.string.no_url_handler, Toast.LENGTH_LONG).show();
-                }
-                return true;
-			
-            case R.id.menu_copy_user:
-                timeoutCopyToClipboard(mEntry.getUsername(true, App.getDB().pm));
-                return true;
-			
-            case R.id.menu_copy_pass:
-                timeoutCopyToClipboard(mEntry.getPassword(true, App.getDB().pm));
-                return true;
-			
-            case R.id.menu_lock:
-                App.setShutdown();
-                setResult(KeePass.EXIT_LOCK);
-                finish();
-                return true;
-
-            case android.R.id.home :
-                finish(); // close this activity and return to preview activity (if there is any)
-        }
-
-		return super.onOptionsItemSelected(item);
-	}
-	
-	private void timeoutCopyToClipboard(String text) {
-		try {
-			Util.copyToClipboard(this, text);
-		} catch (SamsungClipboardException e) {
-			showSamsungDialog();
-			return;
-		}
-		
-		SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
-		String sClipClear = prefs.getString(getString(R.string.clipboard_timeout_key), getString(R.string.clipboard_timeout_default));
-		
-		long clipClearTime = Long.parseLong(sClipClear);
-		
-		if ( clipClearTime > 0 ) {
-			mTimer.schedule(new ClearClipboardTask(this, text), clipClearTime);
-		}
-	}
-	
-
-	// Setup to allow the toast to happen in the foreground
-	final Handler uiThreadCallback = new Handler();
-
-	// Task which clears the clipboard, and sends a toast to the foreground.
-	private class ClearClipboardTask extends TimerTask {
-		
-		private final String mClearText;
-		private final Context mCtx;
-		
-		ClearClipboardTask(Context ctx, String clearText) {
-			mClearText = clearText;
-			mCtx = ctx;
-		}
-		
-		@Override
-		public void run() {
-			String currentClip = Util.getClipboard(mCtx);
-			
-			if ( currentClip.equals(mClearText) ) {
-				try {
-					Util.copyToClipboard(mCtx, "");
-					uiThreadCallback.post(new UIToastTask(mCtx, R.string.ClearClipboard));
-				} catch (SamsungClipboardException e) {
-					uiThreadCallback.post(new UIToastTask(mCtx, R.string.clipboard_error_clear));
-				}
-			}
-		}
-	}
-	
-	private void showSamsungDialog() {
-		String text = getString(R.string.clipboard_error).concat(System.getProperty("line.separator")).concat(getString(R.string.clipboard_error_url));
-		SpannableString s = new SpannableString(text);
-		TextView tv = new TextView(this);
-		tv.setText(s);
-		tv.setAutoLinkMask(RESULT_OK);
-		tv.setMovementMethod(LinkMovementMethod.getInstance());
-		Linkify.addLinks(s, Linkify.WEB_URLS);
-		
-		AlertDialog.Builder builder = new AlertDialog.Builder(this);
-		builder.setTitle(R.string.clipboard_error_title)
-			.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
-				@Override
-				public void onClick(DialogInterface dialog, int which) {
-					dialog.dismiss();
-				}
-			})
-			.setView(tv)
-			.show();
-		
-	}
-}

app/src/main/java/com/keepassdroid/EntryActivityV4.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 2 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.keepassdroid;
-
-import java.util.Map;
-
-import android.view.View;
-import android.view.ViewGroup;
-
-import com.kunzisoft.keepass.R;
-import com.keepassdroid.app.App;
-import com.keepassdroid.database.PwDatabase;
-import com.keepassdroid.database.PwEntryV4;
-import com.keepassdroid.database.security.ProtectedString;
-import com.keepassdroid.utils.SprEngine;
-import com.keepassdroid.utils.SprEngineV4;
-import com.keepassdroid.view.EntrySection;
-
-
-public class EntryActivityV4 extends EntryActivity {
-
-	@Override
-	protected void setEntryView() {
-		setContentView(R.layout.entry_view);
-	}
-
-	@Override
-	protected void fillData(boolean trimList) {
-		super.fillData(trimList);
-		
-		ViewGroup group = (ViewGroup) findViewById(R.id.extra_strings);
-		
-		if (trimList) {
-			group.removeAllViews();
-		}
-		
-		PwEntryV4 entry = (PwEntryV4) mEntry;
-		
-		PwDatabase pm = App.getDB().pm;
-		SprEngine spr = SprEngineV4.getInstance(pm);
-		
-		// Display custom strings
-		if (entry.strings.size() > 0) {
-			for (Map.Entry<String, ProtectedString> pair : entry.strings.entrySet()) {
-				String key = pair.getKey();
-				
-				if (!PwEntryV4.IsStandardString(key)) {
-					String text = pair.getValue().toString();
-					View view = new EntrySection(this, null, key, spr.compile(text, entry, pm));
-					group.addView(view);
-				}
-			}
-		}
-			
-	}
-
-
-}

app/src/main/java/com/keepassdroid/EntryEditActivity.java

@@ -1,328 +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 2 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.keepassdroid;
-
-import android.app.Activity;
-import android.content.Intent;
-import android.os.Bundle;
-import android.os.Handler;
-import android.support.v7.widget.Toolbar;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.widget.EditText;
-import android.widget.ImageButton;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import com.kunzisoft.keepass.KeePass;
-import com.kunzisoft.keepass.R;
-import com.keepassdroid.app.App;
-import com.keepassdroid.database.PwDatabase;
-import com.keepassdroid.database.PwEntry;
-import com.keepassdroid.database.PwEntryV3;
-import com.keepassdroid.database.PwEntryV4;
-import com.keepassdroid.database.PwGroup;
-import com.keepassdroid.database.PwGroupId;
-import com.keepassdroid.database.PwGroupV3;
-import com.keepassdroid.database.PwGroupV4;
-import com.keepassdroid.database.PwIconStandard;
-import com.keepassdroid.database.edit.AddEntry;
-import com.keepassdroid.database.edit.OnFinish;
-import com.keepassdroid.database.edit.RunnableOnFinish;
-import com.keepassdroid.database.edit.UpdateEntry;
-import com.keepassdroid.icons.Icons;
-import com.keepassdroid.utils.MenuUtil;
-import com.keepassdroid.utils.Types;
-import com.keepassdroid.utils.Util;
-
-import java.util.Calendar;
-import java.util.Date;
-import java.util.UUID;
-
-public abstract class EntryEditActivity extends LockCloseHideActivity
-		implements IconPickerFragment.IconPickerListener,
-        GeneratePasswordFragment.GeneratePasswordListener {
-	public static final String KEY_ENTRY = "entry";
-	public static final String KEY_PARENT = "parent";
-
-	protected PwEntry mEntry;
-	protected boolean mIsNew;
-	protected int mSelectedIconID = -1;
-	
-	public static void Launch(Activity act, PwEntry pw) {
-		Intent i;
-		if (pw instanceof PwEntryV3) {
-			i = new Intent(act, EntryEditActivityV3.class);
-		}
-		else if (pw instanceof PwEntryV4) {
-			i = new Intent(act, EntryEditActivityV4.class);
-		}
-		else {
-			throw new RuntimeException("Not yet implemented.");
-		}
-		
-		i.putExtra(KEY_ENTRY, Types.UUIDtoBytes(pw.getUUID()));
-		
-		act.startActivityForResult(i, 0);
-	}
-	
-	public static void Launch(Activity act, PwGroup pw) {
-		Intent i;
-		if (pw instanceof PwGroupV3) {
-			i = new Intent(act, EntryEditActivityV3.class);
-			EntryEditActivityV3.putParentId(i, KEY_PARENT, (PwGroupV3)pw);
-		}
-		else if (pw instanceof PwGroupV4) {
-			i = new Intent(act, EntryEditActivityV4.class);
-			EntryEditActivityV4.putParentId(i, KEY_PARENT, (PwGroupV4)pw);
-		}
-		else {
-			throw new RuntimeException("Not yet implemented.");
-		}
-
-		act.startActivityForResult(i, 0);
-	}
-	
-	protected abstract PwGroupId getParentGroupId(Intent i, String key);
-	
-	@Override
-	protected void onCreate(Bundle savedInstanceState) {
-		super.onCreate(savedInstanceState);
-		setContentView(R.layout.entry_edit);
-		setResult(KeePass.EXIT_NORMAL);
-
-        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
-        toolbar.setTitle(getString(R.string.app_name));
-        setSupportActionBar(toolbar);
-        assert getSupportActionBar() != null;
-        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-        getSupportActionBar().setDisplayShowHomeEnabled(true);
-		
-		// Likely the app has been killed exit the activity
-		Database db = App.getDB();
-		if ( ! db.Loaded() ) {
-			finish();
-			return;
-		}
-
-		Intent i = getIntent();
-		byte[] uuidBytes = i.getByteArrayExtra(KEY_ENTRY);
-
-		PwDatabase pm = db.pm;
-		if ( uuidBytes == null ) {
-
-			PwGroupId parentId = getParentGroupId(i, KEY_PARENT);
-			PwGroup parent = pm.groups.get(parentId);
-			mEntry = PwEntry.getInstance(parent);
-			mIsNew = true;
-			
-		} else {
-			UUID uuid = Types.bytestoUUID(uuidBytes);
-			mEntry = pm.entries.get(uuid);
-			mIsNew = false;
-			fillData();
-		} 
-	
-		View scrollView = findViewById(R.id.entry_scroll);
-		scrollView.setScrollBarStyle(View.SCROLLBARS_INSIDE_INSET);
-
-		View iconButton = findViewById(R.id.icon_button);
-		iconButton.setOnClickListener(new View.OnClickListener() {
-			public void onClick(View v) {
-				IconPickerFragment.Launch(EntryEditActivity.this);
-			}
-		});
-
-		// Generate password button
-		View generatePassword = findViewById(R.id.generate_button);
-		generatePassword.setOnClickListener(new OnClickListener() {
-			
-			public void onClick(View v) {
-				GeneratePasswordFragment generatePasswordFragment = new GeneratePasswordFragment();
-				generatePasswordFragment.show(getSupportFragmentManager(), "PasswordGeneratorFragment");
-			}
-		});
-		
-		// Save button
-		View save = findViewById(R.id.entry_save);
-		save.setOnClickListener(new View.OnClickListener() {
-
-			public void onClick(View v) {
-				EntryEditActivity act = EntryEditActivity.this;
-				
-				if (!validateBeforeSaving()) {
-					return;
-				}
-				
-				PwEntry newEntry = populateNewEntry();
-
-				if ( newEntry.getTitle().equals(mEntry.getTitle()) ) {
-					setResult(KeePass.EXIT_REFRESH);
-				} else {
-					setResult(KeePass.EXIT_REFRESH_TITLE);
-				}
-				
-				RunnableOnFinish task;
-				OnFinish onFinish = act.new AfterSave(new Handler());
-				
-				if ( mIsNew ) {
-					task = AddEntry.getInstance(EntryEditActivity.this, App.getDB(), newEntry, onFinish);
-				} else {
-					task = new UpdateEntry(EntryEditActivity.this, App.getDB(), mEntry, newEntry, onFinish);
-				}
-				ProgressTask pt = new ProgressTask(act, task, R.string.saving_database);
-				pt.run();
-			}
-			
-		});
-	}
-	
-	protected boolean validateBeforeSaving() {
-		// Require title
-		String title = Util.getEditText(this, R.id.entry_title);
-		if ( title.length() == 0 ) {
-			Toast.makeText(this, R.string.error_title_required, Toast.LENGTH_LONG).show();
-			return false;
-		}
-		
-		// Validate password
-		String pass = Util.getEditText(this, R.id.entry_password);
-		String conf = Util.getEditText(this, R.id.entry_confpassword);
-		if ( ! pass.equals(conf) ) {
-			Toast.makeText(this, R.string.error_pass_match, Toast.LENGTH_LONG).show();
-			return false;
-		}
-		
-		return true;
-	}
-	
-	protected PwEntry populateNewEntry() {
-		return populateNewEntry(null);
-	}
-	
-	protected PwEntry populateNewEntry(PwEntry entry) {
-		PwEntry newEntry;
-		if (entry == null) {
-			newEntry = mEntry.clone(true);
-		} 
-		else {
-			newEntry = entry;
-		}
-		
-		Date now = Calendar.getInstance().getTime(); 
-		newEntry.setLastAccessTime(now);
-		newEntry.setLastModificationTime(now);
-		
-		PwDatabase db = App.getDB().pm;
-		newEntry.setTitle(Util.getEditText(this, R.id.entry_title), db);
-		if(mSelectedIconID != -1)
-		    newEntry.setIcon(new PwIconStandard(mSelectedIconID));
-		newEntry.setUrl(Util.getEditText(this, R.id.entry_url), db);
-		newEntry.setUsername(Util.getEditText(this, R.id.entry_user_name), db);
-		newEntry.setNotes(Util.getEditText(this, R.id.entry_comment), db);
-		newEntry.setPassword(Util.getEditText(this, R.id.entry_password), db);
-		
-		return newEntry;
-	}
-
-	@Override
-	public boolean onCreateOptionsMenu(Menu menu) {
-		super.onCreateOptionsMenu(menu);
-		
-		MenuInflater inflater = getMenuInflater();
-		MenuUtil.donationMenuInflater(inflater, menu);
-		
-		return true;
-	}
-	
-	public boolean onOptionsItemSelected(MenuItem item) {
-		switch ( item.getItemId() ) {
-			case R.id.menu_donate:
-				return MenuUtil.onDonationItemSelected(this);
-
-			case android.R.id.home:
-				finish();
-		}
-		
-		return super.onOptionsItemSelected(item);
-	}
-
-	protected void fillData() {
-		ImageButton currIconButton = (ImageButton) findViewById(R.id.icon_button);
-		App.getDB().drawFactory.assignDrawableTo(currIconButton, getResources(), mEntry.getIcon());
-
-		populateText(R.id.entry_title, mEntry.getTitle());
-		populateText(R.id.entry_user_name, mEntry.getUsername());
-		populateText(R.id.entry_url, mEntry.getUrl());
-		
-		String password = mEntry.getPassword();
-		populateText(R.id.entry_password, password);
-		populateText(R.id.entry_confpassword, password);
-
-		populateText(R.id.entry_comment, mEntry.getNotes());
-	}
-
-	private void populateText(int viewId, String text) {
-		TextView tv = (TextView) findViewById(viewId);
-		tv.setText(text);
-	}
-
-    @Override
-    public void iconPicked(Bundle bundle) {
-        mSelectedIconID = bundle.getInt(IconPickerFragment.KEY_ICON_ID);
-        ImageButton currIconButton = (ImageButton) findViewById(R.id.icon_button);
-        currIconButton.setImageResource(Icons.iconToResId(mSelectedIconID));
-    }
-
-    @Override
-    public void acceptPassword(Bundle bundle) {
-        String generatedPassword = bundle.getString(GeneratePasswordFragment.KEY_PASSWORD_ID);
-        EditText password = (EditText) findViewById(R.id.entry_password);
-        EditText confPassword = (EditText) findViewById(R.id.entry_confpassword);
-
-        password.setText(generatedPassword);
-        confPassword.setText(generatedPassword);
-    }
-
-    @Override
-    public void cancelPassword(Bundle bundle) {
-        // Do nothing here
-    }
-
-    private final class AfterSave extends OnFinish {
-
-		AfterSave(Handler handler) {
-			super(handler);
-		}
-
-		@Override
-		public void run() {
-			if ( mSuccess ) {
-				finish();
-			} else {
-				displayMessage(EntryEditActivity.this);
-			}
-		}
-	}
-
-}

app/src/main/java/com/keepassdroid/EntryEditActivityV3.java

@@ -1,62 +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 2 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.keepassdroid;
-
-import android.content.Intent;
-
-import com.keepassdroid.app.App;
-import com.keepassdroid.database.PwEntry;
-import com.keepassdroid.database.PwGroupId;
-import com.keepassdroid.database.PwGroupIdV3;
-import com.keepassdroid.database.PwGroupV3;
-
-public class EntryEditActivityV3 extends EntryEditActivity {
-
-	@Override
-	protected PwEntry populateNewEntry(PwEntry entry) {
-		PwEntry newEntry = super.populateNewEntry(entry);
-		
-		if (mSelectedIconID == -1) {
-			if (mIsNew) {
-				newEntry.icon = App.getDB().pm.iconFactory.getIcon(0);
-			}
-			else {
-				// Keep previous icon, if no new one was selected
-				newEntry.icon = mEntry.icon;
-			}
-		}
-		else {
-			newEntry.icon = App.getDB().pm.iconFactory.getIcon(mSelectedIconID);
-		}
-		
-		return newEntry;
-	}
-
-	protected static void putParentId(Intent i, String parentKey, PwGroupV3 parent) {
-		i.putExtra(parentKey, parent.groupId);
-	}
-
-	@Override
-	protected PwGroupId getParentGroupId(Intent i, String key) {
-		int groupId = i.getIntExtra(key, -1);
-		
-		return new PwGroupIdV3(groupId);
-	}
-}

app/src/main/java/com/keepassdroid/EntryEditActivityV4.java

@@ -1,206 +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 2 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.keepassdroid;
-
-import android.content.Context;
-import android.content.Intent;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.CheckBox;
-import android.widget.LinearLayout;
-import android.widget.ScrollView;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import com.kunzisoft.keepass.R;
-import com.keepassdroid.app.App;
-import com.keepassdroid.database.PwDatabaseV4;
-import com.keepassdroid.database.PwEntry;
-import com.keepassdroid.database.PwEntryV4;
-import com.keepassdroid.database.PwGroupId;
-import com.keepassdroid.database.PwGroupIdV4;
-import com.keepassdroid.database.PwGroupV4;
-import com.keepassdroid.database.security.ProtectedString;
-import com.keepassdroid.utils.Types;
-import com.keepassdroid.view.EntryEditSection;
-
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.UUID;
-
-public class EntryEditActivityV4 extends EntryEditActivity {
-	
-	private ScrollView scroll;
-	private LayoutInflater inflater;
-
-	protected static void putParentId(Intent i, String parentKey, PwGroupV4 parent) {
-		PwGroupId id = parent.getId();
-		PwGroupIdV4 id4 = (PwGroupIdV4) id;
-		
-		i.putExtra(parentKey, Types.UUIDtoBytes(id4.getId()));
-		
-	}
-
-	@Override
-	protected PwGroupId getParentGroupId(Intent i, String key) {
-		byte[] buf = i.getByteArrayExtra(key);
-		UUID id = Types.bytestoUUID(buf);
-		
-		return new PwGroupIdV4(id);
-	}
-	
-	@Override
-	protected void onCreate(Bundle savedInstanceState) {
-		inflater = (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-		
-		super.onCreate(savedInstanceState);
-		
-		scroll = (ScrollView) findViewById(R.id.entry_scroll);
-		
-		View add = findViewById(R.id.add_advanced);
-		add.setVisibility(View.VISIBLE);
-		add.setOnClickListener(new View.OnClickListener() {
-			
-			@Override
-			public void onClick(View v) {
-				LinearLayout container = (LinearLayout) findViewById(R.id.advanced_container);
-				
-				EntryEditSection ees = (EntryEditSection) inflater.inflate(R.layout.entry_edit_section, container, false);
-				ees.setData("", new ProtectedString(false, ""));
-				container.addView(ees);
-				
-				// Scroll bottom
-				scroll.post(new Runnable() {
-					@Override
-					public void run() {
-						scroll.fullScroll(ScrollView.FOCUS_DOWN);
-					}
-				});
-				
-			}
-		});
-
-	}
-
-	@Override
-	protected void fillData() {
-		super.fillData();
-		
-		PwEntryV4 entry = (PwEntryV4) mEntry;
-		
-		LinearLayout container = (LinearLayout) findViewById(R.id.advanced_container);
-		
-		if (entry.strings.size() > 0) {
-			for (Entry<String, ProtectedString> pair : entry.strings.entrySet()) {
-				String key = pair.getKey();
-				
-				if (!PwEntryV4.IsStandardString(key)) {
-					EntryEditSection ees = (EntryEditSection) inflater.inflate(R.layout.entry_edit_section, container, false);
-					ees.setData(key, pair.getValue());
-					container.addView(ees);
-				}
-			}
-			
-		}
-		
-	}
-
-	@SuppressWarnings("unchecked")
-	@Override
-	protected PwEntry populateNewEntry() {
-		PwEntryV4 newEntry = (PwEntryV4) mEntry.clone(true);
-		newEntry.history = (ArrayList<PwEntryV4>) newEntry.history.clone();
-		newEntry.createBackup((PwDatabaseV4)App.getDB().pm);
-		
-		newEntry = (PwEntryV4) super.populateNewEntry(newEntry);
-		
-		Map<String, ProtectedString> strings = newEntry.strings;
-		
-		// Delete all new standard strings
-		Iterator<Entry<String, ProtectedString>> iter = strings.entrySet().iterator();
-		while (iter.hasNext()) {
-			Entry<String, ProtectedString> pair = iter.next();
-			if (!PwEntryV4.IsStandardString(pair.getKey())) {
-				iter.remove();
-			}
-		}
-		
-		LinearLayout container = (LinearLayout) findViewById(R.id.advanced_container);
-		for (int i = 0; i < container.getChildCount(); i++) {
-			View view = container.getChildAt(i);
-			
-			TextView keyView = (TextView)view.findViewById(R.id.title);
-			String key = keyView.getText().toString();
-			
-			TextView valueView = (TextView)view.findViewById(R.id.value);
-			String value = valueView.getText().toString();
-			
-			CheckBox cb = (CheckBox)view.findViewById(R.id.protection);
-			boolean protect = cb.isChecked();
-			
-			strings.put(key, new ProtectedString(protect, value));
-		}
-		
-		return newEntry;
-	}
-	
-	public void deleteAdvancedString(View view) {
-		ViewGroup section = (ViewGroup) view.getParent();
-		LinearLayout container = (LinearLayout) findViewById(R.id.advanced_container);
-		
-		for (int i = 0; i < container.getChildCount(); i++) {
-			ViewGroup ees = (ViewGroup) container.getChildAt(i);
-			if (ees == section) {
-				container.removeViewAt(i);
-				container.invalidate();
-				break;
-			}
-		}
-	}
-
-	@Override
-	protected boolean validateBeforeSaving() {
-		if(!super.validateBeforeSaving()) {
-			return false;
-		}
-		
-		LinearLayout container = (LinearLayout) findViewById(R.id.advanced_container);
-		for (int i = 0; i < container.getChildCount(); i++) {
-			EntryEditSection ees = (EntryEditSection) container.getChildAt(i);
-			
-			TextView keyView = (TextView) ees.findViewById(R.id.title);
-			CharSequence key = keyView.getText();
-			
-			if (key == null || key.length() == 0) {
-				Toast.makeText(this, R.string.error_string_key, Toast.LENGTH_LONG).show();
-				return false;
-			}
-			
-		}
-		
-		return true;
-	}
-
-}
- 

app/src/main/java/com/keepassdroid/GeneratePasswordFragment.java

@@ -1,154 +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 2 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.keepassdroid;
-
-import android.app.Dialog;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.v4.app.DialogFragment;
-import android.support.v7.app.AlertDialog;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.widget.Button;
-import android.widget.CheckBox;
-import android.widget.EditText;
-import android.widget.SeekBar;
-import android.widget.Toast;
-
-import com.kunzisoft.keepass.R;
-import com.keepassdroid.password.PasswordGenerator;
-
-public class GeneratePasswordFragment extends DialogFragment {
-
-    public static final String KEY_PASSWORD_ID = "KEY_PASSWORD_ID";
-
-	private GeneratePasswordListener mListener;
-	private View root;
-	private EditText lengthTextView;
-
-    @Override
-    public void onAttach(Context context) {
-        super.onAttach(context);
-        try {
-            mListener = (GeneratePasswordListener) context;
-        } catch (ClassCastException e) {
-            throw new ClassCastException(context.toString()
-                    + " must implement " + GeneratePasswordListener.class.getName());
-        }
-    }
-
-	@NonNull
-    @Override
-	public Dialog onCreateDialog(Bundle savedInstanceState) {
-		AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
-		LayoutInflater inflater = getActivity().getLayoutInflater();
-        root = inflater.inflate(R.layout.generate_password, null);
-
-        lengthTextView = (EditText) root.findViewById(R.id.length);
-
-        SeekBar seekBar = (SeekBar) root.findViewById(R.id.seekbar_length);
-        seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
-            @Override
-            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
-                lengthTextView.setText(String.valueOf(progress));
-            }
-
-            @Override
-            public void onStartTrackingTouch(SeekBar seekBar) {}
-
-            @Override
-            public void onStopTrackingTouch(SeekBar seekBar) {}
-        });
-
-        Button genPassButton = (Button) root.findViewById(R.id.generate_password_button);
-        genPassButton.setOnClickListener(new OnClickListener() {
-            public void onClick(View v) {
-                fillPassword();
-            }
-        });
-
-        builder.setView(root)
-                .setPositiveButton(R.string.accept, new DialogInterface.OnClickListener() {
-                    @Override
-                    public void onClick(DialogInterface dialog, int id) {
-                        EditText password = (EditText) root.findViewById(R.id.password);
-                        Bundle bundle = new Bundle();
-                        bundle.putString(KEY_PASSWORD_ID, password.getText().toString());
-                        mListener.acceptPassword(bundle);
-
-                        dismiss();
-                    }
-                })
-                .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
-                    public void onClick(DialogInterface dialog, int id) {
-                        Bundle bundle = new Bundle();
-                        mListener.cancelPassword(bundle);
-
-                        dismiss();
-                    }
-                });
-
-        // Pre-populate a password to possibly save the user a few clicks
-        fillPassword();
-
-		return builder.create();
-	}
-	
-	private void fillPassword() {
-		EditText txtPassword = (EditText) root.findViewById(R.id.password);
-		txtPassword.setText(generatePassword());
-	}
-	
-    public String generatePassword() {
-    	String password = "";
-    	
-    	try {
-    		int length = Integer.valueOf(((EditText) root.findViewById(R.id.length)).getText().toString());
-    		
-    		((CheckBox) root.findViewById(R.id.cb_uppercase)).isChecked();
-        	
-        	PasswordGenerator generator = new PasswordGenerator(getActivity());
-       	
-	    	password = generator.generatePassword(length,
-	    			((CheckBox) root.findViewById(R.id.cb_uppercase)).isChecked(),
-	    			((CheckBox) root.findViewById(R.id.cb_lowercase)).isChecked(),
-	    			((CheckBox) root.findViewById(R.id.cb_digits)).isChecked(),
-	    			((CheckBox) root.findViewById(R.id.cb_minus)).isChecked(),
-	    			((CheckBox) root.findViewById(R.id.cb_underline)).isChecked(),
-	    			((CheckBox) root.findViewById(R.id.cb_space)).isChecked(),
-	    			((CheckBox) root.findViewById(R.id.cb_specials)).isChecked(),
-	    			((CheckBox) root.findViewById(R.id.cb_brackets)).isChecked());
-    	} catch (NumberFormatException e) {
-    		Toast.makeText(getContext(), R.string.error_wrong_length, Toast.LENGTH_LONG).show();
-		} catch (IllegalArgumentException e) {
-			Toast.makeText(getContext(), e.getMessage(), Toast.LENGTH_LONG).show();
-		}
-    	
-    	return password;
-    }
-
-    public interface GeneratePasswordListener {
-        void acceptPassword(Bundle bundle);
-	    void cancelPassword(Bundle bundle);
-    }
-}

app/src/main/java/com/keepassdroid/GroupActivity.java

@@ -1,256 +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 2 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.keepassdroid;
-
-import android.app.Activity;
-import android.app.Dialog;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.os.Bundle;
-import android.os.Handler;
-import android.preference.PreferenceManager;
-import android.support.v7.widget.Toolbar;
-import android.util.Log;
-import android.view.ContextMenu;
-import android.view.ContextMenu.ContextMenuInfo;
-import android.view.MenuItem;
-import android.view.View;
-import android.widget.AdapterView.AdapterContextMenuInfo;
-
-import com.kunzisoft.keepass.KeePass;
-import com.kunzisoft.keepass.R;
-import com.keepassdroid.app.App;
-import com.keepassdroid.database.PwDatabase;
-import com.keepassdroid.database.PwDatabaseV3;
-import com.keepassdroid.database.PwDatabaseV4;
-import com.keepassdroid.database.PwGroup;
-import com.keepassdroid.database.PwGroupId;
-import com.keepassdroid.database.PwGroupV3;
-import com.keepassdroid.database.PwGroupV4;
-import com.keepassdroid.database.edit.AddGroup;
-import com.keepassdroid.dialog.ReadOnlyDialog;
-import com.keepassdroid.view.ClickView;
-import com.keepassdroid.view.GroupAddEntryView;
-import com.keepassdroid.view.GroupRootView;
-import com.keepassdroid.view.GroupViewOnlyView;
-
-public abstract class GroupActivity extends GroupBaseActivity
-        implements GroupEditFragment.CreateGroupListener, IconPickerFragment.IconPickerListener {
-
-    private static final String TAG_CREATE_GROUP = "TAG_CREATE_GROUP";
-
-	protected boolean addGroupEnabled = false;
-	protected boolean addEntryEnabled = false;
-	protected boolean isRoot = false;
-	protected boolean readOnly = false;
-	
-	private static final String TAG = "Group Activity:";
-	
-	public static void Launch(Activity act) {
-		Launch(act, null);
-	}
-	
-	public static void Launch(Activity act, PwGroup group) {
-		Intent i;
-		
-		// Need to use PwDatabase since tree may be null
-		PwDatabase db = App.getDB().pm;
-		if ( db instanceof PwDatabaseV3 ) {
-			i = new Intent(act, GroupActivityV3.class);
-		
-			if ( group != null ) {
-				PwGroupV3 g = (PwGroupV3) group;
-				i.putExtra(KEY_ENTRY, g.groupId);
-			}
-		} else if ( db instanceof PwDatabaseV4 ) {
-			i = new Intent(act, GroupActivityV4.class);
-			
-			if ( group != null ) {
-				PwGroupV4 g = (PwGroupV4) group;
-				i.putExtra(KEY_ENTRY, g.uuid.toString());
-			}
-		} else {
-			// Reached if db is null
-			Log.d(TAG, "Tried to launch with null db");
-			return;
-		}
-		
-		act.startActivityForResult(i,0);
-	}
-	
-	protected abstract PwGroupId retrieveGroupId(Intent i);
-	
-	protected void setupButtons() {
-		addGroupEnabled = !readOnly;
-	}
-	
-	@Override
-	protected void onCreate(Bundle savedInstanceState) {
-		super.onCreate(savedInstanceState);
-		
-		if ( isFinishing() ) {
-			return;
-		}
-		
-		setResult(KeePass.EXIT_NORMAL);
-		
-		Log.w(TAG, "Creating tree view");
-		Intent intent = getIntent();
-		
-		PwGroupId id = retrieveGroupId(intent);
-		
-		Database db = App.getDB();
-		readOnly = db.readOnly;
-		PwGroup root = db.pm.rootGroup;
-		if ( id == null ) {
-			mGroup = root;
-		} else {
-			mGroup = db.pm.groups.get(id);
-		}
-		
-		Log.w(TAG, "Retrieved tree");
-		if ( mGroup == null ) {
-			Log.w(TAG, "Group was null");
-			return;
-		}
-		
-		isRoot = mGroup == root;
-		
-		setupButtons();
-
-		if ( addGroupEnabled && addEntryEnabled ) {
-			setContentView(new GroupAddEntryView(this));
-		} else if ( addGroupEnabled ) {
-			setContentView(new GroupRootView(this));
-		} else if ( addEntryEnabled ) {
-			setContentView(new GroupAddEntryView(this));
-			View addGroup = findViewById(R.id.add_group);
-			addGroup.setVisibility(View.GONE);
-		} else {
-			setContentView(new GroupViewOnlyView(this));
-		}
-
-        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
-        toolbar.setTitle("");
-        setSupportActionBar(toolbar);
-
-        if ( mGroup.getParent() != null )
-            toolbar.setNavigationIcon(R.drawable.ic_arrow_up_white_24dp);
-
-		Log.w(TAG, "Set view");
-
-		if ( addGroupEnabled ) {
-			// Add Group button
-			View addGroup = findViewById(R.id.add_group);
-			addGroup.setOnClickListener(new View.OnClickListener() {
-
-				public void onClick(View v) {
-					GroupEditFragment groupEditFragment = new GroupEditFragment();
-					groupEditFragment.show(getSupportFragmentManager(), TAG_CREATE_GROUP);
-				}
-			});
-		}
-		
-		if ( addEntryEnabled ) {
-			// Add Entry button
-			View addEntry = findViewById(R.id.add_entry);
-			addEntry.setOnClickListener(new View.OnClickListener() {
-	
-				public void onClick(View v) {
-					EntryEditActivity.Launch(GroupActivity.this, mGroup);
-				}
-			});
-		}
-		
-		setGroupTitle();
-		setGroupIcon();
-
-		setListAdapter(new PwGroupListAdapter(this, mGroup));
-		registerForContextMenu(getListView());
-		Log.w(TAG, "Finished creating tree");
-		
-		if (isRoot) {
-			showWarnings();
-		}
-	}
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        switch (item.getItemId()) {
-            case android.R.id.home:
-                onBackPressed();
-                return true;
-        }
-        return super.onOptionsItemSelected(item);
-    }
-
-    @Override
-	public void onCreateContextMenu(ContextMenu menu, View v,
-			ContextMenuInfo menuInfo) {
-		
-		AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
-		ClickView cv = (ClickView) acmi.targetView;
-		cv.onCreateMenu(menu, menuInfo);
-	}
-	
-	@Override
-	public boolean onContextItemSelected(MenuItem item) {
-		AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) item.getMenuInfo();
-		ClickView cv = (ClickView) acmi.targetView;
-		
-		return cv.onContextItemSelected(item);
-	}
-
-    @Override
-    public void approveCreateGroup(Bundle bundle) {
-        String GroupName = bundle.getString(GroupEditFragment.KEY_NAME);
-        int GroupIconID = bundle.getInt(GroupEditFragment.KEY_ICON_ID);
-        GroupActivity act = GroupActivity.this;
-        Handler handler = new Handler();
-        AddGroup task = AddGroup.getInstance(this, App.getDB(), GroupName, GroupIconID, mGroup, act.new RefreshTask(handler), false);
-        ProgressTask pt = new ProgressTask(act, task, R.string.saving_database);
-        pt.run();
-    }
-
-    @Override
-    public void cancelCreateGroup(Bundle bundle) {
-        // Do nothing here
-    }
-
-    @Override
-    // For icon in create tree dialog
-    public void iconPicked(Bundle bundle) {
-        GroupEditFragment groupEditFragment = (GroupEditFragment) getSupportFragmentManager().findFragmentByTag(TAG_CREATE_GROUP);
-        if (groupEditFragment != null) {
-            groupEditFragment.iconPicked(bundle);
-        }
-    }
-	
-	protected void showWarnings() {
-		if (App.getDB().readOnly) {
-		    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
-		    
-		    if (prefs.getBoolean(getString(R.string.show_read_only_warning), true)) {
-			    Dialog dialog = new ReadOnlyDialog(this);
-			    dialog.show();
-		    }
-		}
-	}
-}

app/src/main/java/com/keepassdroid/GroupActivityV3.java

@@ -1,44 +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 2 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.keepassdroid;
-
-import android.content.Intent;
-
-import com.keepassdroid.database.PwGroupIdV3;
-
-public class GroupActivityV3 extends GroupActivity {
-
-	@Override
-	protected PwGroupIdV3 retrieveGroupId(Intent i) {
-		int id = i.getIntExtra(KEY_ENTRY, -1);
-		
-		if ( id == -1 ) {
-			return null;
-		}
-		
-		return new PwGroupIdV3(id);
-	}
-	
-	@Override
-	protected void setupButtons() {
-		super.setupButtons();
-		addEntryEnabled = !isRoot && !readOnly;
-	}
-}

app/src/main/java/com/keepassdroid/GroupActivityV4.java

@@ -1,47 +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 2 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.keepassdroid;
-
-import java.util.UUID;
-
-import android.content.Intent;
-
-import com.keepassdroid.database.PwGroupId;
-import com.keepassdroid.database.PwGroupIdV4;
-
-public class GroupActivityV4 extends GroupActivity {
-
-	@Override
-	protected PwGroupId retrieveGroupId(Intent i) {
-		String uuid = i.getStringExtra(KEY_ENTRY);
-		
-		if ( uuid == null || uuid.length() == 0 ) {
-			return null;
-		}
-		
-		return new PwGroupIdV4(UUID.fromString(uuid));
-	}
-
-	@Override
-	protected void setupButtons() {
-		super.setupButtons();
-		addEntryEnabled = !readOnly;
-	}
-}

app/src/main/java/com/keepassdroid/GroupBaseActivity.java

@@ -1,304 +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 2 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.keepassdroid;
-
-
-import android.app.SearchManager;
-import android.content.ComponentName;
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.content.SharedPreferences.Editor;
-import android.os.Bundle;
-import android.os.Handler;
-import android.preference.PreferenceManager;
-import android.support.v7.widget.SearchView;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.widget.AdapterView;
-import android.widget.BaseAdapter;
-import android.widget.ImageView;
-import android.widget.ListAdapter;
-import android.widget.ListView;
-import android.widget.TextView;
-
-import com.kunzisoft.keepass.KeePass;
-import com.kunzisoft.keepass.R;
-import com.keepassdroid.app.App;
-import com.keepassdroid.compat.ActivityCompat;
-import com.keepassdroid.compat.EditorCompat;
-import com.keepassdroid.database.PwGroup;
-import com.keepassdroid.database.edit.OnFinish;
-import com.keepassdroid.search.SearchResultsActivity;
-import com.keepassdroid.utils.MenuUtil;
-import com.keepassdroid.view.ClickView;
-import com.keepassdroid.view.GroupViewOnlyView;
-
-public abstract class GroupBaseActivity extends LockCloseListActivity {
-	protected ListView mList;
-	protected ListAdapter mAdapter;
-
-	public static final String KEY_ENTRY = "entry";
-	
-	private SharedPreferences prefs;
-	
-	protected PwGroup mGroup;
-
-	@Override
-	protected void onResume() {
-		super.onResume();
-		
-		refreshIfDirty();
-	}
-	
-	public void refreshIfDirty() {
-		Database db = App.getDB();
-		if ( db.dirty.contains(mGroup) ) {
-			db.dirty.remove(mGroup);
-			((BaseAdapter) mAdapter).notifyDataSetChanged();
-		}
-	}
-
-	protected void onListItemClick(ListView l, View v, int position, long id) {
-		ClickView cv = (ClickView) mAdapter.getView(position, null, null);
-		cv.onClick();
-		
-	}
-
-	@Override
-	protected void onCreate(Bundle savedInstanceState) {
-		super.onCreate(savedInstanceState);
-		
-		// Likely the app has been killed exit the activity 
-		if ( ! App.getDB().Loaded() ) {
-			finish();
-			return;
-		}
-		
-		prefs = PreferenceManager.getDefaultSharedPreferences(this);
-
-		ActivityCompat.invalidateOptionsMenu(this);
-
-		setContentView(new GroupViewOnlyView(this));
-		setResult(KeePass.EXIT_NORMAL);
-
-		styleScrollBars();
-		
-	}
-	
-	protected void styleScrollBars() {
-		ensureCorrectListView();
-		mList.setScrollBarStyle(View.SCROLLBARS_INSIDE_INSET);
-		mList.setTextFilterEnabled(true);
-		
-	}
-	
-	protected void setGroupTitle() {
-		if ( mGroup != null ) {
-			String name = mGroup.getName();
-            TextView tv = (TextView) findViewById(R.id.group_name);
-			if ( name != null && name.length() > 0 ) {
-				if ( tv != null ) {
-					tv.setText(name);
-				}
-			} else {
-				if ( tv != null ) {
-					tv.setText(getText(R.string.root));
-				}
-				
-			}
-		}
-	}
-
-	protected void setGroupIcon() {
-		if (mGroup != null) {
-			ImageView iv = (ImageView) findViewById(R.id.icon);
-			App.getDB().drawFactory.assignDrawableTo(iv, getResources(), mGroup.getIcon());
-		}
-	}
-
-	protected void setListAdapter(ListAdapter adapter) {
-		ensureCorrectListView();
-		mAdapter = adapter;
-		mList.setAdapter(adapter);
-	}
-
-	protected ListView getListView() {
-		ensureCorrectListView();
-		return mList;
-	}
-
-	private void ensureCorrectListView(){
-		mList = (ListView)findViewById(R.id.group_list);
-		mList.setOnItemClickListener(
-				new AdapterView.OnItemClickListener() {
-					public void onItemClick(AdapterView<?> parent, View v, int position, long id)
-					{
-						onListItemClick((ListView)parent, v, position, id);
-					}
-				}
-		);
-	}
-	
-	@Override
-	public boolean onCreateOptionsMenu(Menu menu) {
-		super.onCreateOptionsMenu(menu);
-		
-		MenuInflater inflater = getMenuInflater();
-		inflater.inflate(R.menu.search, menu);
-		MenuUtil.donationMenuInflater(inflater, menu);
-		inflater.inflate(R.menu.tree, menu);
-		inflater.inflate(R.menu.database, menu);
-		inflater.inflate(R.menu.default_menu, menu);
-
-		// Get the SearchView and set the searchable configuration
-		SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
-		assert searchManager != null;
-
-		MenuItem searchItem = menu.findItem(R.id.menu_search);
-        SearchView searchView = null;
-        if (searchItem != null) {
-            searchView = (SearchView) searchItem.getActionView();
-        }
-        if (searchView != null) {
-            searchView.setSearchableInfo(searchManager.getSearchableInfo(new ComponentName(this, SearchResultsActivity.class)));
-            searchView.setIconifiedByDefault(false); // Do not iconify the widget; expand it by default
-        }
-
-		return true;
-	}
-
-	private void setSortMenuText(Menu menu) {
-		boolean sortByName = false;
-
-		// Will be null if onPrepareOptionsMenu is called before onCreate
-		if (prefs != null) {
-			sortByName = prefs.getBoolean(getString(R.string.sort_key), getResources().getBoolean(R.bool.sort_default));
-		}
-		
-		int resId;
-		if ( sortByName ) {
-			resId = R.string.sort_db;
-		} else {
-			resId = R.string.sort_name;
-		}
-			
-		menu.findItem(R.id.menu_sort).setTitle(resId);
-	}
-	
-	@Override
-	public boolean onPrepareOptionsMenu(Menu menu) {
-		if ( ! super.onPrepareOptionsMenu(menu) ) {
-			return false;
-		}
-		
-		setSortMenuText(menu);
-		
-		return true;
-	}
-
-	@Override
-	public boolean onOptionsItemSelected(MenuItem item) {
-		switch ( item.getItemId() ) {
-
-            case R.id.menu_search:
-                onSearchRequested();
-                return true;
-
-            case R.id.menu_sort:
-                toggleSort();
-                return true;
-
-            case R.id.menu_lock:
-                App.setShutdown();
-                setResult(KeePass.EXIT_LOCK);
-                finish();
-                return true;
-
-            case R.id.menu_change_master_key:
-                setPassword();
-                return true;
-
-            default:
-                MenuUtil.onDefaultMenuOptionsItemSelected(this, item);
-                return super.onOptionsItemSelected(item);
-		}
-	}
-	
-	private void toggleSort() {
-		// Toggle setting
-		String sortKey = getString(R.string.sort_key);
-		boolean sortByName = prefs.getBoolean(sortKey, getResources().getBoolean(R.bool.sort_default));
-		Editor editor = prefs.edit();
-		editor.putBoolean(sortKey, ! sortByName);
-		EditorCompat.apply(editor);
-		
-		// Refresh menu titles
-		ActivityCompat.invalidateOptionsMenu(this);
-		
-		// Mark all groups as dirty now to refresh them on load
-		Database db = App.getDB();
-		db.markAllGroupsAsDirty();
-		// We'll manually refresh this tree so we can remove it
-		db.dirty.remove(mGroup);
-		
-		// Tell the adapter to refresh it's list
-		((BaseAdapter) mAdapter).notifyDataSetChanged();
-		
-	}
-
-	private void setPassword() {
-		SetPasswordDialog dialog = new SetPasswordDialog();
-		dialog.show(getSupportFragmentManager(), "passwordDialog");
-	}
-	
-	public class RefreshTask extends OnFinish {
-		public RefreshTask(Handler handler) {
-			super(handler);
-		}
-
-		@Override
-		public void run() {
-			if ( mSuccess) {
-				refreshIfDirty();
-			} else {
-				displayMessage(GroupBaseActivity.this);
-			}
-		}
-	}
-	
-	public class AfterDeleteGroup extends OnFinish {
-		public AfterDeleteGroup(Handler handler) {
-			super(handler);
-		}
-
-		@Override
-		public void run() {
-			if ( mSuccess) {
-				refreshIfDirty();
-			} else {
-				mHandler.post(new UIToastTask(GroupBaseActivity.this, "Unrecoverable error: " + mMessage));
-				App.setShutdown();
-				finish();
-			}
-		}
-	}
-}

app/src/main/java/com/keepassdroid/LockCloseHideActivity.java

@@ -1,47 +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 2 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.keepassdroid;
-
-import com.keepassdroid.compat.BuildCompat;
-
-import android.os.Build;
-import android.os.Bundle;
-import android.view.WindowManager.LayoutParams;
-
-/** 
- * Locking Close Activity that sets FLAG_SECURE to prevent screenshots, and from
- * appearing in the recent app preview
- * @author Brian Pellin
- *
- */
-public abstract class LockCloseHideActivity extends LockCloseActivity {
-
-	@Override
-	protected void onCreate(Bundle savedInstanceState) {
-		super.onCreate(savedInstanceState);
-		
-		// Several gingerbread devices have problems with FLAG_SECURE
-		int ver = BuildCompat.getSdkVersion();
-		if (ver >= BuildCompat.VERSION_CODE_ICE_CREAM_SANDWICH || ver < BuildCompat.VERSION_CODE_GINGERBREAD) {
-		    getWindow().setFlags(LayoutParams.FLAG_SECURE, LayoutParams.FLAG_SECURE);
-		}
-	}
-
-}

app/src/main/java/com/keepassdroid/LockingActivity.java

@@ -1,42 +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 2 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.keepassdroid;
-
-
-import com.keepassdroid.stylish.StylishActivity;
-import com.keepassdroid.timeout.TimeoutHelper;
-
-
-public abstract class LockingActivity extends StylishActivity {
-
-	@Override
-	protected void onPause() {
-		super.onPause();
-		
-		TimeoutHelper.pause(this);
-	}
-
-	@Override
-	protected void onResume() {
-		super.onResume();
-
-		TimeoutHelper.resume(this);
-	}
-}

app/src/main/java/com/keepassdroid/PasswordActivity.java

@@ -1,728 +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 2 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.keepassdroid;
-
-import android.app.Activity;
-import android.content.ActivityNotFoundException;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.DialogInterface.OnClickListener;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.net.Uri;
-import android.os.AsyncTask;
-import android.os.Build;
-import android.os.Bundle;
-import android.os.Handler;
-import android.preference.PreferenceManager;
-import android.support.annotation.RequiresApi;
-import android.support.v4.hardware.fingerprint.FingerprintManagerCompat;
-import android.support.v7.widget.Toolbar;
-import android.text.Editable;
-import android.text.TextWatcher;
-import android.view.Menu;
-import android.view.MenuItem;
-import android.view.View;
-import android.widget.Button;
-import android.widget.CheckBox;
-import android.widget.CompoundButton;
-import android.widget.EditText;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import com.kunzisoft.keepass.KeePass;
-import com.kunzisoft.keepass.R;
-import com.keepassdroid.app.App;
-import com.keepassdroid.compat.BackupManagerCompat;
-import com.keepassdroid.compat.ClipDataCompat;
-import com.keepassdroid.compat.EditorCompat;
-import com.keepassdroid.compat.StorageAF;
-import com.keepassdroid.database.edit.LoadDB;
-import com.keepassdroid.database.edit.OnFinish;
-import com.keepassdroid.dialog.PasswordEncodingDialogHelper;
-import com.keepassdroid.fileselect.BrowserDialog;
-import com.keepassdroid.fingerprint.FingerPrintHelper;
-import com.keepassdroid.intents.Intents;
-import com.keepassdroid.utils.EmptyUtils;
-import com.keepassdroid.utils.Interaction;
-import com.keepassdroid.utils.MenuUtil;
-import com.keepassdroid.utils.UriUtil;
-import com.keepassdroid.utils.Util;
-
-import java.io.File;
-import java.io.FileNotFoundException;
-
-import javax.crypto.Cipher;
-
-public class PasswordActivity extends LockingActivity implements FingerPrintHelper.FingerPrintCallback {
-
-    public static final String KEY_DEFAULT_FILENAME = "defaultFileName";
-    private static final String KEY_FILENAME = "fileName";
-    private static final String KEY_KEYFILE = "keyFile";
-    private static final String KEY_PASSWORD = "password";
-    private static final String KEY_LAUNCH_IMMEDIATELY = "launchImmediately";
-    private static final String VIEW_INTENT = "android.intent.action.VIEW";
-
-    private static final int FILE_BROWSE = 256;
-    public static final int GET_CONTENT = 257;
-    private static final int OPEN_DOC = 258;
-
-    private Uri mDbUri = null;
-    private Uri mKeyUri = null;
-    private boolean mRememberKeyfile;
-    SharedPreferences prefs;
-    SharedPreferences prefsNoBackup;
-
-    private FingerPrintHelper fingerPrintHelper;
-    private boolean fingerprintMustBeConfigured = true;
-
-    private int mode;
-    private static final String PREF_KEY_VALUE_PREFIX = "valueFor_"; // key is a combination of db file name and this prefix
-    private static final String PREF_KEY_IV_PREFIX = "ivFor_"; // key is a combination of db file name and this prefix
-    private View fingerprintView;
-    private TextView confirmationView;
-    private EditText passwordView;
-    private Button confirmButton;
-
-    public static void Launch(
-            Activity act,
-            String fileName) throws FileNotFoundException {
-        Launch(act, fileName, "");
-    }
-
-    public static void Launch(
-            Activity act,
-            String fileName,
-            String keyFile) throws FileNotFoundException {
-        if (EmptyUtils.isNullOrEmpty(fileName)) {
-            throw new FileNotFoundException();
-        }
-
-        Uri uri = UriUtil.parseDefaultFile(fileName);
-        String scheme = uri.getScheme();
-
-        if (!EmptyUtils.isNullOrEmpty(scheme) && scheme.equalsIgnoreCase("file")) {
-            File dbFile = new File(uri.getPath());
-            if (!dbFile.exists()) {
-                throw new FileNotFoundException();
-            }
-        }
-
-        Intent i = new Intent(act, PasswordActivity.class);
-        i.putExtra(KEY_FILENAME, fileName);
-        i.putExtra(KEY_KEYFILE, keyFile);
-
-        act.startActivityForResult(i, 0);
-
-    }
-
-    @Override
-    protected void onActivityResult(
-            int requestCode,
-            int resultCode,
-            Intent data) {
-        super.onActivityResult(requestCode, resultCode, data);
-
-        switch (requestCode) {
-            case KeePass.EXIT_NORMAL:
-                setEditText(R.id.password, "");
-                App.getDB().clear();
-                break;
-
-            case KeePass.EXIT_LOCK:
-                setResult(KeePass.EXIT_LOCK);
-                setEditText(R.id.password, "");
-                finish();
-                App.getDB().clear();
-                break;
-            case FILE_BROWSE:
-                if (resultCode == RESULT_OK) {
-                    String filename = data.getDataString();
-                    if (filename != null) {
-                        EditText fn = (EditText) findViewById(R.id.pass_keyfile);
-                        fn.setText(filename);
-                        mKeyUri = UriUtil.parseDefaultFile(filename);
-                    }
-                }
-                break;
-            case GET_CONTENT:
-            case OPEN_DOC:
-                if (resultCode == RESULT_OK) {
-                    if (data != null) {
-                        Uri uri = data.getData();
-                        if (uri != null) {
-                            if (requestCode == GET_CONTENT) {
-                                uri = UriUtil.translate(this, uri);
-                            }
-                            String path = uri.toString();
-                            if (path != null) {
-                                EditText fn = (EditText) findViewById(R.id.pass_keyfile);
-                                fn.setText(path);
-
-                            }
-                            mKeyUri = uri;
-                        }
-                    }
-                }
-                break;
-        }
-    }
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        Intent i = getIntent();
-
-        prefs = PreferenceManager.getDefaultSharedPreferences(this);
-        prefsNoBackup = getSharedPreferences("nobackup", Context.MODE_PRIVATE);
-
-        mRememberKeyfile = prefs.getBoolean(getString(R.string.keyfile_key), getResources().getBoolean(R.bool.keyfile_default));
-        setContentView(R.layout.password);
-
-        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
-        toolbar.setTitle(getString(R.string.app_name));
-        setSupportActionBar(toolbar);
-        assert getSupportActionBar() != null;
-        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-        getSupportActionBar().setDisplayShowHomeEnabled(true);
-
-        confirmButton = (Button) findViewById(R.id.pass_ok);
-        fingerprintView = findViewById(R.id.fingerprint);
-        confirmationView = (TextView) findViewById(R.id.fingerprint_label);
-        passwordView = (EditText) findViewById(R.id.password);
-
-        new InitTask().execute(i);
-    }
-
-    @Override
-    protected void onResume() {
-        super.onResume();
-
-        // If the application was shutdown make sure to clear the password field, if it
-        // was saved in the instance state
-        if (App.isShutdown()) {
-            TextView password = (TextView) findViewById(R.id.password);
-            password.setText("");
-        }
-
-        // Clear the shutdown flag
-        App.clearShutdown();
-
-        // checks if fingerprint is available, will also start listening for fingerprints when available
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-            initForFingerprint();
-            checkAvailability();
-        }
-    }
-
-    private void retrieveSettings() {
-        String defaultFilename = prefs.getString(KEY_DEFAULT_FILENAME, "");
-        if (!EmptyUtils.isNullOrEmpty(mDbUri.getPath()) && UriUtil.equalsDefaultfile(mDbUri, defaultFilename)) {
-            CheckBox checkbox = (CheckBox) findViewById(R.id.default_database);
-            checkbox.setChecked(true);
-        }
-    }
-
-    private Uri getKeyFile(Uri dbUri) {
-        if (mRememberKeyfile) {
-            return App.getFileHistory().getFileByName(dbUri);
-        } else {
-            return null;
-        }
-    }
-
-    private void populateView() {
-        String db = (mDbUri == null) ? "" : mDbUri.toString();
-        setEditText(R.id.filename, db);
-
-        String key = (mKeyUri == null) ? "" : mKeyUri.toString();
-        setEditText(R.id.pass_keyfile, key);
-    }
-
-    private void errorMessage(int resId) {
-        Toast.makeText(this, resId, Toast.LENGTH_LONG).show();
-    }
-
-    // fingerprint related code here
-    @RequiresApi(api = Build.VERSION_CODES.M)
-    private void initForFingerprint() {
-        fingerPrintHelper = new FingerPrintHelper(this, this);
-
-        // when text entered we can enable the logon/purchase button and if required update encryption/decryption mode
-        passwordView.addTextChangedListener(new TextWatcher() {
-            @Override
-            public void beforeTextChanged(
-                    final CharSequence s,
-                    final int start,
-                    final int count,
-                    final int after) {}
-
-            @Override
-            public void onTextChanged(
-                    final CharSequence s,
-                    final int start,
-                    final int before,
-                    final int count) {}
-
-            @Override
-            public void afterTextChanged(final Editable s) {
-                if ( !fingerprintMustBeConfigured ) {
-                    final boolean validInput = s.length() > 0;
-                    // encrypt or decrypt mode based on how much input or not
-                    confirmationView.setText(validInput ? R.string.store_with_fingerprint : R.string.scanning_fingerprint);
-                    mode = validInput ? toggleMode(Cipher.ENCRYPT_MODE) : toggleMode(Cipher.DECRYPT_MODE);
-                }
-            }
-        });
-
-        // callback for fingerprint findings
-        fingerPrintHelper.setAuthenticationCallback(new FingerprintManagerCompat.AuthenticationCallback() {
-            @Override
-            public void onAuthenticationError(
-                    final int errorCode,
-                    final CharSequence errString) {
-
-                // this is triggered on stop/start listening done by helper to switch between modes so don't restart here
-                // errorCode = 5
-                // errString = "Fingerprint operation canceled."
-                //onFingerprintException();
-                //confirmationView.setText(errString);
-                // true false fingerprint readings are handled otherwise with the toast messages, see below in code
-            }
-
-            @Override
-            public void onAuthenticationHelp(
-                    final int helpCode,
-                    final CharSequence helpString) {
-
-                onFingerprintException(new Exception("onAuthenticationHelp"));
-                confirmationView.setText(helpString);
-            }
-
-            @Override
-            public void onAuthenticationSucceeded(final FingerprintManagerCompat.AuthenticationResult result) {
-
-                if (mode == Cipher.ENCRYPT_MODE) {
-
-                    // newly store the entered password in encrypted way
-                    final String password = passwordView.getText().toString();
-                    fingerPrintHelper.encryptData(password);
-
-                } else if (mode == Cipher.DECRYPT_MODE) {
-
-                    // retrieve the encrypted value from preferences
-                    final String encryptedValue = prefsNoBackup.getString(getPreferenceKeyValue(), null);
-                    if (encryptedValue != null) {
-                        fingerPrintHelper.decryptData(encryptedValue);
-                    }
-                }
-            }
-
-            @Override
-            public void onAuthenticationFailed() {
-                onFingerprintException(new Exception("onAuthenticationFailed"));
-            }
-        });
-    }
-
-    private String getPreferenceKeyValue() {
-        // makes it possible to store passwords uniqly per database
-        return PREF_KEY_VALUE_PREFIX + (mDbUri != null ? mDbUri.getPath() : "");
-    }
-
-    private String getPreferenceKeyIvSpec() {
-        return PREF_KEY_IV_PREFIX + (mDbUri != null ? mDbUri.getPath() : "");
-    }
-
-    @RequiresApi(api = Build.VERSION_CODES.M)
-    private int toggleMode(final int newMode) {
-        mode = newMode;
-        switch (mode) {
-            case Cipher.ENCRYPT_MODE:
-                fingerPrintHelper.initEncryptData();
-                break;
-            case Cipher.DECRYPT_MODE:
-                final String ivSpecValue = prefsNoBackup.getString(getPreferenceKeyIvSpec(), null);
-                fingerPrintHelper.initDecryptData(ivSpecValue);
-                break;
-        }
-        return newMode;
-    }
-
-    @Override
-    protected void onPause() {
-        super.onPause();
-        // stop listening when we go in background
-        if (fingerPrintHelper != null) {
-            fingerPrintHelper.stopListening();
-        }
-    }
-
-    private void setFingerPrintVisibility(int vis) {
-        fingerprintView.setVisibility(vis);
-        confirmationView.setVisibility(vis);
-    }
-
-    @RequiresApi(api = Build.VERSION_CODES.M)
-    private void checkAvailability() {
-        // fingerprint not supported (by API level or hardware) so keep option hidden
-        if (!fingerPrintHelper.isFingerprintSupported(FingerprintManagerCompat.from(this))) {
-            setFingerPrintVisibility(View.GONE);
-        }
-        // fingerprint is available but not configured show icon but in disabled state with some information
-        else if (!fingerPrintHelper.hasEnrolledFingerprints()) {
-
-            setFingerPrintVisibility(View.VISIBLE);
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
-                fingerprintView.setAlpha(0.3f);
-            }
-            // This happens when no fingerprints are registered. Listening won't start
-            confirmationView.setText(R.string.configure_fingerprint);
-        }
-        // finally fingerprint available and configured so we can use it
-        else {
-            fingerprintMustBeConfigured = false;
-            setFingerPrintVisibility(View.VISIBLE);
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
-                fingerprintView.setAlpha(1f);
-            }
-            // fingerprint available but no stored password found yet for this DB so show info don't listen
-            if (prefsNoBackup.getString(getPreferenceKeyValue(), null) == null) {
-                confirmationView.setText(R.string.no_password_stored);
-            }
-            // all is set here so we can confirm to user and start listening for fingerprints
-            else {
-                confirmationView.setText(R.string.scanning_fingerprint);
-                // listen for decryption by default
-                toggleMode(Cipher.DECRYPT_MODE);
-            }
-        }
-    }
-
-    @Override
-    public void handleEncryptedResult(
-            final String value,
-            final String ivSpec) {
-
-        prefsNoBackup.edit()
-                .putString(getPreferenceKeyValue(), value)
-                .putString(getPreferenceKeyIvSpec(), ivSpec)
-                .apply();
-        // and remove visual input to reset UI
-        confirmButton.performClick();
-        confirmationView.setText(R.string.encrypted_value_stored);
-    }
-
-    @Override
-    public void handleDecryptedResult(final String value) {
-        // on decrypt enter it for the purchase/login action
-        passwordView.setText(value);
-        confirmButton.performClick();
-    }
-
-    @RequiresApi(api = Build.VERSION_CODES.M)
-    @Override
-    public void onInvalidKeyException() {
-        Toast.makeText(this, R.string.fingerprint_invalid_key, Toast.LENGTH_SHORT).show();
-        checkAvailability(); // restarts listening
-    }
-
-    @RequiresApi(api = Build.VERSION_CODES.M)
-    @Override
-    public void onFingerprintException(Exception e) {
-        //Toast.makeText(this, R.string.fingerprint_error, Toast.LENGTH_SHORT).show();
-        checkAvailability();
-        e.printStackTrace();
-    }
-
-    private class DefaultCheckChange implements CompoundButton.OnCheckedChangeListener {
-
-        @Override
-        public void onCheckedChanged(
-                CompoundButton buttonView,
-                boolean isChecked) {
-
-            String newDefaultFileName;
-
-            if (isChecked) {
-                newDefaultFileName = mDbUri.toString();
-            } else {
-                newDefaultFileName = "";
-            }
-
-            SharedPreferences.Editor editor = prefs.edit();
-            editor.putString(KEY_DEFAULT_FILENAME, newDefaultFileName);
-            EditorCompat.apply(editor);
-
-            BackupManagerCompat backupManager = new BackupManagerCompat(PasswordActivity.this);
-            backupManager.dataChanged();
-
-        }
-
-    }
-
-    private class OkClickHandler implements View.OnClickListener {
-
-        public void onClick(View view) {
-            String pass = getEditText(R.id.password);
-            String key = getEditText(R.id.pass_keyfile);
-            loadDatabase(pass, key);
-        }
-    }
-
-    private void loadDatabase(
-            String pass,
-            String keyfile) {
-        loadDatabase(pass, UriUtil.parseDefaultFile(keyfile));
-    }
-
-    private void loadDatabase(
-            String pass,
-            Uri keyfile) {
-        if (pass.length() == 0 && (keyfile == null || keyfile.toString().length() == 0)) {
-            errorMessage(R.string.error_nopass);
-            return;
-        }
-
-        // Clear before we load
-        Database db = App.getDB();
-        db.clear();
-
-        // Clear the shutdown flag
-        App.clearShutdown();
-
-        Handler handler = new Handler();
-        LoadDB task = new LoadDB(db, PasswordActivity.this, mDbUri, pass, keyfile, new AfterLoad(handler, db));
-        ProgressTask pt = new ProgressTask(PasswordActivity.this, task, R.string.loading_database);
-        pt.run();
-    }
-
-    private String getEditText(int resId) {
-        return Util.getEditText(this, resId);
-    }
-
-    private void setEditText(
-            int resId,
-            String str) {
-        TextView te = (TextView) findViewById(resId);
-        if (te != null) {
-            te.setText(str);
-        }
-    }
-
-    @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        super.onCreateOptionsMenu(menu);
-        MenuUtil.defaultMenuInflater(getMenuInflater(), menu);
-        return true;
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-
-        switch (item.getItemId()) {
-            case android.R.id.home:
-                finish();
-                break;
-
-            default:
-                return MenuUtil.onDefaultMenuOptionsItemSelected(this, item);
-        }
-
-        return super.onOptionsItemSelected(item);
-    }
-
-    private final class AfterLoad extends OnFinish {
-
-        private Database db;
-
-        public AfterLoad(
-                Handler handler,
-                Database db) {
-            super(handler);
-
-            this.db = db;
-        }
-
-        @Override
-        public void run() {
-            if (db.passwordEncodingError) {
-                PasswordEncodingDialogHelper dialog = new PasswordEncodingDialogHelper();
-                dialog.show(PasswordActivity.this, new OnClickListener() {
-
-                    @Override
-                    public void onClick(
-                            DialogInterface dialog,
-                            int which) {
-                        GroupActivity.Launch(PasswordActivity.this);
-                    }
-
-                });
-            } else if (mSuccess) {
-                GroupActivity.Launch(PasswordActivity.this);
-            } else {
-                displayMessage(PasswordActivity.this);
-            }
-        }
-    }
-
-    private class InitTask extends AsyncTask<Intent, Void, Integer> {
-
-        String password = "";
-        boolean launch_immediately = false;
-
-        @Override
-        protected Integer doInBackground(Intent... args) {
-            Intent i = args[0];
-            String action = i.getAction();
-            if (action != null && action.equals(VIEW_INTENT)) {
-                Uri incoming = i.getData();
-                mDbUri = incoming;
-
-                mKeyUri = ClipDataCompat.getUriFromIntent(i, KEY_KEYFILE);
-
-                if (incoming == null) {
-                    return R.string.error_can_not_handle_uri;
-                } else if (incoming.getScheme().equals("file")) {
-                    String fileName = incoming.getPath();
-
-                    if (fileName.length() == 0) {
-                        // No file name
-                        return R.string.FileNotFound;
-                    }
-
-                    File dbFile = new File(fileName);
-                    if (!dbFile.exists()) {
-                        // File does not exist
-                        return R.string.FileNotFound;
-                    }
-
-                    if (mKeyUri == null) {
-                        mKeyUri = getKeyFile(mDbUri);
-                    }
-                } else if (incoming.getScheme().equals("content")) {
-                    if (mKeyUri == null) {
-                        mKeyUri = getKeyFile(mDbUri);
-                    }
-                } else {
-                    return R.string.error_can_not_handle_uri;
-                }
-                password = i.getStringExtra(KEY_PASSWORD);
-                launch_immediately = i.getBooleanExtra(KEY_LAUNCH_IMMEDIATELY, false);
-
-            } else {
-                mDbUri = UriUtil.parseDefaultFile(i.getStringExtra(KEY_FILENAME));
-                mKeyUri = UriUtil.parseDefaultFile(i.getStringExtra(KEY_KEYFILE));
-                password = i.getStringExtra(KEY_PASSWORD);
-                launch_immediately = i.getBooleanExtra(KEY_LAUNCH_IMMEDIATELY, false);
-
-                if (mKeyUri == null || mKeyUri.toString().length() == 0) {
-                    mKeyUri = getKeyFile(mDbUri);
-                }
-            }
-            return null;
-        }
-
-        public void onPostExecute(Integer result) {
-            if (result != null) {
-                Toast.makeText(PasswordActivity.this, result, Toast.LENGTH_LONG).show();
-                finish();
-                return;
-            }
-
-            populateView();
-
-            Button confirmButton = (Button) findViewById(R.id.pass_ok);
-            confirmButton.setOnClickListener(new OkClickHandler());
-
-            if (password != null) {
-                TextView tv_password = (TextView) findViewById(R.id.password);
-                tv_password.setText(password);
-            }
-
-            CheckBox defaultCheck = (CheckBox) findViewById(R.id.default_database);
-            defaultCheck.setOnCheckedChangeListener(new DefaultCheckChange());
-
-            View browse = findViewById(R.id.browse_button);
-            browse.setOnClickListener(new View.OnClickListener() {
-
-                public void onClick(View v) {
-                    if (StorageAF.useStorageFramework(PasswordActivity.this)) {
-                        Intent i = new Intent(StorageAF.ACTION_OPEN_DOCUMENT);
-                        i.addCategory(Intent.CATEGORY_OPENABLE);
-                        i.setType("*/*");
-                        startActivityForResult(i, OPEN_DOC);
-                    } else {
-                        Intent i = new Intent(Intent.ACTION_GET_CONTENT);
-                        i.addCategory(Intent.CATEGORY_OPENABLE);
-                        i.setType("*/*");
-
-                        try {
-                            startActivityForResult(i, GET_CONTENT);
-                        } catch (ActivityNotFoundException e) {
-                            lookForOpenIntentsFilePicker();
-                        }
-                    }
-                }
-
-                private void lookForOpenIntentsFilePicker() {
-                    if (Interaction.isIntentAvailable(PasswordActivity.this, Intents.OPEN_INTENTS_FILE_BROWSE)) {
-                        Intent i = new Intent(Intents.OPEN_INTENTS_FILE_BROWSE);
-
-                        // Get file path parent if possible
-                        try {
-                            if (mDbUri != null && mDbUri.toString().length() > 0) {
-                                if (mDbUri.getScheme().equals("file")) {
-                                    File keyfile = new File(mDbUri.getPath());
-                                    File parent = keyfile.getParentFile();
-                                    if (parent != null) {
-                                        i.setData(Uri.parse("file://" + parent.getAbsolutePath()));
-                                    }
-                                }
-                            }
-                        } catch (Exception e) {
-                            // Ignore
-                        }
-
-                        try {
-                            startActivityForResult(i, FILE_BROWSE);
-                        } catch (ActivityNotFoundException e) {
-                            showBrowserDialog();
-                        }
-                    } else {
-                        showBrowserDialog();
-                    }
-                }
-
-                private void showBrowserDialog() {
-                    BrowserDialog browserDialog = new BrowserDialog(PasswordActivity.this);
-                    browserDialog.show();
-                }
-            });
-
-            retrieveSettings();
-
-            if (launch_immediately) {
-                loadDatabase(password, mKeyUri);
-            }
-        }
-    }
-}

app/src/main/java/com/keepassdroid/PwGroupListAdapter.java

@@ -1,148 +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 2 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.keepassdroid;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-
-import android.content.SharedPreferences;
-import android.preference.PreferenceManager;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.BaseAdapter;
-
-import com.kunzisoft.keepass.R;
-import com.keepassdroid.database.PwEntry;
-import com.keepassdroid.database.PwGroup;
-import com.keepassdroid.view.PwEntryView;
-import com.keepassdroid.view.PwGroupView;
-
-public class PwGroupListAdapter extends BaseAdapter {
-
-	private GroupBaseActivity mAct;
-	private PwGroup mGroup;
-	private List<PwGroup> groupsForViewing;
-	private List<PwEntry> entriesForViewing;
-	private Comparator<PwEntry> entryComp = new PwEntry.EntryNameComparator();
-	private Comparator<PwGroup> groupComp = new PwGroup.GroupNameComparator();
-	private SharedPreferences prefs;
-	
-	public PwGroupListAdapter(GroupBaseActivity act, PwGroup group) {
-		mAct = act;
-		mGroup = group;
-		prefs = PreferenceManager.getDefaultSharedPreferences(act);
-		
-		filterAndSort();
-		
-	}
-	
-	@Override
-	public void notifyDataSetChanged() {
-		super.notifyDataSetChanged();
-		
-		filterAndSort();
-	}
-
-	@Override
-	public void notifyDataSetInvalidated() {
-		super.notifyDataSetInvalidated();
-		
-		filterAndSort();
-	}
-
-	private void filterAndSort() {
-		entriesForViewing = new ArrayList<PwEntry>();
-		
-		for (int i = 0; i < mGroup.childEntries.size(); i++) {
-			PwEntry entry = mGroup.childEntries.get(i);
-			if ( ! entry.isMetaStream() ) {
-				entriesForViewing.add(entry);
-			}
-		}
-		
-		boolean sortLists = prefs.getBoolean(mAct.getString(R.string.sort_key),	mAct.getResources().getBoolean(R.bool.sort_default)); 
-		if ( sortLists ) {
-			groupsForViewing = new ArrayList<PwGroup>(mGroup.childGroups);
-			
-			Collections.sort(entriesForViewing, entryComp);
-			Collections.sort(groupsForViewing, groupComp);
-		} else {
-			groupsForViewing = mGroup.childGroups;
-		}
-	}
-	
-	public int getCount() {
-		
-		return groupsForViewing.size() + entriesForViewing.size();
-	}
-
-	public Object getItem(int position) {
-		return position;
-	}
-
-	public long getItemId(int position) {
-		return position;
-	}
-
-	public View getView(int position, View convertView, ViewGroup parent) {
-		int size = groupsForViewing.size();
-		
-		if ( position < size ) { 
-			return createGroupView(position, convertView);
-		} else {
-			return createEntryView(position - size, convertView);
-		}
-	}
-
-	private View createGroupView(int position, View convertView) {
-		PwGroup group = groupsForViewing.get(position);
-		PwGroupView gv;
-		
-		if (convertView == null || !(convertView instanceof PwGroupView)) {
-	
-			gv = PwGroupView.getInstance(mAct, group);
-		} 
-		else {
-			gv = (PwGroupView) convertView;
-			gv.convertView(group);
-			
-		}
-		
-		return gv;
-	}
-
-	private PwEntryView createEntryView(int position, View convertView) {
-		PwEntry entry = entriesForViewing.get(position);
-		PwEntryView ev;
-
-		if (convertView == null || !(convertView instanceof PwEntryView)) {
-			ev = PwEntryView.getInstance(mAct, entry, position);
-		}
-		else {
-			ev = (PwEntryView) convertView;
-			ev.convertView(entry, position);
-		}
-
-		return ev;
-	}
-
-}

app/src/main/java/com/keepassdroid/SetPasswordDialog.java

@@ -1,156 +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 2 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.keepassdroid;
-
-import android.app.Dialog;
-import android.content.DialogInterface;
-import android.net.Uri;
-import android.os.Bundle;
-import android.os.Handler;
-import android.support.annotation.NonNull;
-import android.support.v4.app.DialogFragment;
-import android.support.v7.app.AlertDialog;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import com.kunzisoft.keepass.R;
-import com.keepassdroid.app.App;
-import com.keepassdroid.database.edit.FileOnFinish;
-import com.keepassdroid.database.edit.OnFinish;
-import com.keepassdroid.database.edit.SetPassword;
-import com.keepassdroid.utils.EmptyUtils;
-import com.keepassdroid.utils.UriUtil;
-
-public class SetPasswordDialog extends DialogFragment {
-
-    private final static String FINISH_TAG = "FINISH_TAG";
-
-	private byte[] masterKey;
-	private Uri mKeyfile;
-	private FileOnFinish mFinish;
-	private View rootView;
-	
-	public byte[] getKey() {
-		return masterKey;
-	}
-	
-	public Uri keyfile() {
-		return mKeyfile;
-	}
-
-    public static SetPasswordDialog newInstance(FileOnFinish finish) {
-        SetPasswordDialog setPasswordDialog = new SetPasswordDialog();
-
-        Bundle args = new Bundle();
-        args.putSerializable(FINISH_TAG, finish);
-        setPasswordDialog.setArguments(args);
-
-        return setPasswordDialog;
-    }
-
-	@NonNull
-	@Override
-	public Dialog onCreateDialog(Bundle savedInstanceState) {
-        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
-        LayoutInflater inflater = getActivity().getLayoutInflater();
-
-        if(getArguments() != null && getArguments().containsKey(FINISH_TAG)) {
-            mFinish = (FileOnFinish) getArguments().getSerializable(FINISH_TAG);
-        }
-
-        rootView = inflater.inflate(R.layout.set_password, null);
-        builder.setView(rootView)
-                // Add action buttons
-                .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
-                    @Override
-                    public void onClick(DialogInterface dialog, int id) {
-                        TextView passView = (TextView) rootView.findViewById(R.id.pass_password);
-                        String pass = passView.getText().toString();
-                        TextView passConfView = (TextView) rootView.findViewById(R.id.pass_conf_password);
-                        String confpass = passConfView.getText().toString();
-
-                        // Verify that passwords match
-                        if ( ! pass.equals(confpass) ) {
-                            // Passwords do not match
-                            Toast.makeText(getContext(), R.string.error_pass_match, Toast.LENGTH_LONG).show();
-                            return;
-                        }
-
-                        TextView keyfileView = (TextView) rootView.findViewById(R.id.pass_keyfile);
-                        Uri keyfile = UriUtil.parseDefaultFile(keyfileView.getText().toString());
-                        mKeyfile = keyfile;
-
-                        // Verify that a password or keyfile is set
-                        if ( pass.length() == 0 && EmptyUtils.isNullOrEmpty(keyfile)) {
-                            Toast.makeText(getContext(), R.string.error_nopass, Toast.LENGTH_LONG).show();
-                            return;
-
-                        }
-
-                        SetPassword sp = new SetPassword(getContext(), App.getDB(), pass, keyfile, new AfterSave(mFinish, new Handler()));
-                        final ProgressTask pt = new ProgressTask(getContext(), sp, R.string.saving_database);
-                        boolean valid = sp.validatePassword(getContext(), new DialogInterface.OnClickListener() {
-
-                            @Override
-                            public void onClick(DialogInterface dialog, int which) {
-                                pt.run();
-                            }
-                        });
-
-                        if (valid) {
-                            pt.run();
-                        }
-                    }
-                })
-                .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
-                    public void onClick(DialogInterface dialog, int id) {
-                        SetPasswordDialog.this.getDialog().cancel();
-                        if ( mFinish != null ) {
-                            mFinish.run();
-                        }
-                    }
-                });
-        return builder.create();
-	}
-
-	private class AfterSave extends OnFinish {
-		private FileOnFinish mFinish;
-		
-		public AfterSave(FileOnFinish finish, Handler handler) {
-			super(finish, handler);
-			mFinish = finish;
-		}
-
-		@Override
-		public void run() {
-			if ( mSuccess ) {
-				if ( mFinish != null ) {
-					mFinish.setFilename(mKeyfile);
-				}
-				dismiss();
-			} else {
-				displayMessage(getContext());
-			}
-			super.run();
-		}
-	}
-}

app/src/main/java/com/keepassdroid/activities/AboutActivity.java

@@ -17,7 +17,7 @@
  *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package com.keepassdroid;
+package com.keepassdroid.activities;
 
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager.NameNotFoundException;
@@ -27,8 +27,10 @@ import android.util.Log;
 import android.view.MenuItem;
 import android.widget.TextView;
 
-import com.kunzisoft.keepass.R;
 import com.keepassdroid.stylish.StylishActivity;
+import com.kunzisoft.keepass.R;
+
+import org.joda.time.DateTime;
 
 public class AboutActivity extends StylishActivity {
 
@@ -56,6 +58,9 @@ public class AboutActivity extends StylishActivity {
         version = getString(R.string.version_label) + " " + version;
         TextView versionText = (TextView) findViewById(R.id.activity_about_version);
         versionText.setText(version);
+
+        TextView disclaimerText = (TextView) findViewById(R.id.disclaimer);
+        disclaimerText.setText(getString(R.string.disclaimer_formal, new DateTime().getYear()));
     }
 
     @Override

app/src/main/java/com/keepassdroid/activities/EntryActivity.java

@@ -0,0 +1,375 @@
+/*
+ * 
+ * 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 2 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.keepassdroid.activities;
+
+import android.app.Activity;
+import android.content.ActivityNotFoundException;
+import android.content.Intent;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.support.v7.widget.Toolbar;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.keepassdroid.app.App;
+import com.keepassdroid.database.Database;
+import com.keepassdroid.database.PwDatabase;
+import com.keepassdroid.database.PwEntry;
+import com.keepassdroid.notifications.NotificationCopyingService;
+import com.keepassdroid.notifications.NotificationField;
+import com.keepassdroid.settings.PreferencesUtil;
+import com.keepassdroid.timeout.ClipboardHelper;
+import com.keepassdroid.utils.EmptyUtils;
+import com.keepassdroid.utils.MenuUtil;
+import com.keepassdroid.utils.Types;
+import com.keepassdroid.utils.Util;
+import com.keepassdroid.view.EntryContentsView;
+import com.kunzisoft.keepass.R;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.Map;
+import java.util.UUID;
+
+import static com.keepassdroid.settings.PreferencesUtil.isClipboardNotificationsEnable;
+
+public class EntryActivity extends LockingHideActivity {
+    private final static String TAG = EntryActivity.class.getName();
+
+	public static final String KEY_ENTRY = "entry";
+
+	private ImageView titleIconView;
+    private TextView titleView;
+	private EntryContentsView entryContentsView;
+	
+	protected PwEntry mEntry;
+	private boolean mShowPassword;
+	protected boolean readOnly = false;
+
+	private ClipboardHelper clipboardHelper;
+	private boolean firstLaunchOfActivity;
+
+    public static void launch(Activity act, PwEntry pw) {
+        if (LockingActivity.checkTimeIsAllowedOrFinish(act)) {
+            Intent intent = new Intent(act, EntryActivity.class);
+            intent.putExtra(KEY_ENTRY, Types.UUIDtoBytes(pw.getUUID()));
+            act.startActivityForResult(intent, EntryEditActivity.ADD_OR_UPDATE_ENTRY_REQUEST_CODE);
+        }
+    }
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+
+        setContentView(R.layout.entry_view);
+
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+        assert getSupportActionBar() != null;
+		getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_close_white_24dp);
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        getSupportActionBar().setDisplayShowHomeEnabled(true);
+
+		Database db = App.getDB();
+		// Likely the app has been killed exit the activity 
+		if ( ! db.Loaded() ) {
+			finish();
+			return;
+		}
+		readOnly = db.readOnly;
+
+        mShowPassword = !PreferencesUtil.isPasswordMask(this);
+
+		// Get Entry from UUID
+		Intent i = getIntent();
+		UUID uuid = Types.bytestoUUID(i.getByteArrayExtra(KEY_ENTRY));
+		mEntry = db.pm.entries.get(uuid);
+		if (mEntry == null) {
+			Toast.makeText(this, R.string.entry_not_found, Toast.LENGTH_LONG).show();
+			finish();
+			return;
+		}
+		
+		// Refresh Menu contents in case onCreateMenuOptions was called before mEntry was set
+		invalidateOptionsMenu();
+		
+		// Update last access time.
+		mEntry.touch(false, false);
+
+        // Get views
+        titleIconView = findViewById(R.id.entry_icon);
+        titleView = findViewById(R.id.entry_title);
+        entryContentsView = findViewById(R.id.entry_contents);
+        entryContentsView.applyFontVisibilityToFields(PreferencesUtil.fieldFontIsInVisibility(this));
+
+		// Setup Edit Buttons
+        View edit = findViewById(R.id.entry_edit);
+        edit.setOnClickListener(v -> EntryEditActivity.Launch(EntryActivity.this, mEntry));
+        if (readOnly) {
+            edit.setVisibility(View.GONE);
+        }
+
+        // Init the clipboard helper
+        clipboardHelper = new ClipboardHelper(this);
+        firstLaunchOfActivity = true;
+	}
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+
+        // Fill data in resume to update from EntryEditActivity
+        fillData();
+        invalidateOptionsMenu();
+
+        // TODO Start decode
+
+        // If notifications enabled in settings
+        // Don't if application timeout
+        if (firstLaunchOfActivity && !App.isShutdown() && isClipboardNotificationsEnable(getApplicationContext())) {
+            if (mEntry.getUsername().length() > 0
+                    || (mEntry.getPassword().length() > 0 && PreferencesUtil.allowCopyPassword(this))
+                    || mEntry.containsExtraFields()) {
+                // username already copied, waiting for user's action before copy password.
+                Intent intent = new Intent(this, NotificationCopyingService.class);
+                intent.setAction(NotificationCopyingService.ACTION_NEW_NOTIFICATION);
+                if (mEntry.getTitle() != null)
+                    intent.putExtra(NotificationCopyingService.EXTRA_ENTRY_TITLE, mEntry.getTitle());
+                // Construct notification fields
+                ArrayList<NotificationField> notificationFields = new ArrayList<>();
+                // Add username if exists to notifications
+                if (mEntry.getUsername().length() > 0)
+                    notificationFields.add(
+                            new NotificationField(
+                                    NotificationField.NotificationFieldId.USERNAME,
+                                    mEntry.getUsername(),
+                                    getResources()));
+                // Add password to notifications
+                if (PreferencesUtil.allowCopyPassword(this)) {
+                    if (mEntry.getPassword().length() > 0)
+                        notificationFields.add(
+                                new NotificationField(
+                                        NotificationField.NotificationFieldId.PASSWORD,
+                                        mEntry.getPassword(),
+                                        getResources()));
+                }
+                // Add extra fields
+                if (mEntry.allowExtraFields()) {
+                    try {
+                        int anonymousFieldNumber = 0;
+                        for (Map.Entry<String, String> entry : mEntry.getExtraFields().entrySet()) {
+                            notificationFields.add(
+                                    new NotificationField(
+                                            NotificationField.NotificationFieldId.getAnonymousFieldId()[anonymousFieldNumber],
+                                            entry.getValue(),
+                                            entry.getKey(),
+                                            getResources()));
+                            anonymousFieldNumber++;
+                        }
+                    } catch (ArrayIndexOutOfBoundsException e) {
+                        Log.w(TAG, "Only " + NotificationField.NotificationFieldId.getAnonymousFieldId().length +
+                                " anonymous notifications are available");
+                    }
+                }
+                // Add notifications
+                intent.putParcelableArrayListExtra(NotificationCopyingService.EXTRA_FIELDS, notificationFields);
+
+                startService(intent);
+            }
+            // TODO end decode
+        }
+        firstLaunchOfActivity = false;
+    }
+
+    private void populateTitle(Drawable drawIcon, String text) {
+        titleIconView.setImageDrawable(drawIcon);
+        titleView.setText(text);
+    }
+
+	protected void fillData() {
+		Database db = App.getDB();
+		PwDatabase pm = db.pm;
+
+		mEntry.startToDecodeReference(pm);
+
+		// Assign title
+        populateTitle(db.drawFactory.getIconDrawable(getResources(), mEntry.getIcon()),
+                mEntry.getTitle());
+
+        // Assign basic fields
+        entryContentsView.assignUserName(mEntry.getUsername());
+        entryContentsView.assignUserNameCopyListener(view ->
+                clipboardHelper.timeoutCopyToClipboard(mEntry.getUsername(),
+                getString(R.string.copy_field, getString(R.string.entry_user_name)))
+        );
+
+		entryContentsView.assignPassword(mEntry.getPassword());
+		if (PreferencesUtil.allowCopyPassword(this)) {
+            entryContentsView.assignPasswordCopyListener(view ->
+                    clipboardHelper.timeoutCopyToClipboard(mEntry.getPassword(),
+                            getString(R.string.copy_field, getString(R.string.entry_password)))
+            );
+        }
+
+        entryContentsView.assignURL(mEntry.getUrl());
+
+        entryContentsView.setHiddenPasswordStyle(!mShowPassword);
+        entryContentsView.assignComment(mEntry.getNotes());
+
+        // Assign custom fields
+		if (mEntry.allowExtraFields()) {
+			entryContentsView.clearExtraFields();
+			for (Map.Entry<String, String> field : mEntry.getExtraFields().entrySet()) {
+                final String label = field.getKey();
+                final String value = field.getValue();
+				entryContentsView.addExtraField(label, value, view ->
+                        clipboardHelper.timeoutCopyToClipboard(value, getString(R.string.copy_field, label)));
+			}
+		}
+
+        // Assign dates
+        entryContentsView.assignCreationDate(mEntry.getCreationTime().getDate());
+        entryContentsView.assignModificationDate(mEntry.getLastModificationTime().getDate());
+        entryContentsView.assignLastAccessDate(mEntry.getLastAccessTime().getDate());
+		Date expires = mEntry.getExpiryTime().getDate();
+		if ( mEntry.expires() ) {
+			entryContentsView.assignExpiresDate(expires);
+		} else {
+            entryContentsView.assignExpiresDate(getString(R.string.never));
+		}
+
+        mEntry.endToDecodeReference(pm);
+	}
+
+	@Override
+	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+		super.onActivityResult(requestCode, resultCode, data);
+        switch (requestCode) {
+            case EntryEditActivity.ADD_OR_UPDATE_ENTRY_REQUEST_CODE:
+                fillData();
+                break;
+        }
+	}
+
+	private void changeShowPasswordIcon(MenuItem togglePassword) {
+		if ( mShowPassword ) {
+			togglePassword.setTitle(R.string.menu_hide_password);
+			togglePassword.setIcon(R.drawable.ic_visibility_off_white_24dp);
+		} else {
+			togglePassword.setTitle(R.string.menu_showpass);
+			togglePassword.setIcon(R.drawable.ic_visibility_white_24dp);
+		}
+	}
+
+	@Override
+	public boolean onCreateOptionsMenu(Menu menu) {
+		super.onCreateOptionsMenu(menu);
+		
+		MenuInflater inflater = getMenuInflater();
+        MenuUtil.donationMenuInflater(inflater, menu);
+		inflater.inflate(R.menu.entry, menu);
+		inflater.inflate(R.menu.database_lock, menu);
+
+		MenuItem togglePassword = menu.findItem(R.id.menu_toggle_pass);
+		if (entryContentsView != null && togglePassword != null) {
+            if (!entryContentsView.isPasswordPresent()) {
+                togglePassword.setVisible(false);
+            } else {
+                changeShowPasswordIcon(togglePassword);
+            }
+        }
+		
+		MenuItem gotoUrl = menu.findItem(R.id.menu_goto_url);
+		if (gotoUrl != null) {
+            // In API >= 11 onCreateOptionsMenu may be called before onCreate completes
+            // so mEntry may not be set
+            if (mEntry == null) {
+                gotoUrl.setVisible(false);
+            } else {
+                String url = mEntry.getUrl();
+                if (EmptyUtils.isNullOrEmpty(url)) {
+                    // disable button if url is not available
+                    gotoUrl.setVisible(false);
+                }
+            }
+        }
+		
+		return true;
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item) {
+		switch ( item.getItemId() ) {
+            case R.id.menu_donate:
+                return MenuUtil.onDonationItemSelected(this);
+
+            case R.id.menu_toggle_pass:
+                mShowPassword = !mShowPassword;
+                changeShowPasswordIcon(item);
+                entryContentsView.setHiddenPasswordStyle(!mShowPassword);
+                return true;
+			
+            case R.id.menu_goto_url:
+                String url;
+                url = mEntry.getUrl();
+
+                // Default http:// if no protocol specified
+                if ( ! url.contains("://") ) {
+                    url = "http://" + url;
+                }
+
+                try {
+                    Util.gotoUrl(this, url);
+                } catch (ActivityNotFoundException e) {
+                    Toast.makeText(this, R.string.no_url_handler, Toast.LENGTH_LONG).show();
+                }
+                return true;
+			
+            case R.id.menu_lock:
+                lockAndExit();
+                return true;
+
+            case android.R.id.home :
+                finish(); // close this activity and return to preview activity (if there is any)
+        }
+
+		return super.onOptionsItemSelected(item);
+	}
+
+
+    @Override
+    public void finish() {
+        // Transit data in previous Activity after an update
+		/*
+		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);
+        */
+        super.finish();
+    }
+}

app/src/main/java/com/keepassdroid/activities/EntryEditActivity.java

@@ -0,0 +1,397 @@
+/*
+ * 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 2 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.keepassdroid.activities;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Handler;
+import android.support.v7.widget.Toolbar;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.EditText;
+import android.widget.ImageButton;
+import android.widget.LinearLayout;
+import android.widget.ScrollView;
+import android.widget.Toast;
+
+import com.keepassdroid.app.App;
+import com.keepassdroid.database.Database;
+import com.keepassdroid.database.PwDatabase;
+import com.keepassdroid.database.PwDate;
+import com.keepassdroid.database.PwEntry;
+import com.keepassdroid.database.PwGroup;
+import com.keepassdroid.database.PwGroupId;
+import com.keepassdroid.database.PwIconStandard;
+import com.keepassdroid.database.edit.AddEntry;
+import com.keepassdroid.database.edit.OnFinish;
+import com.keepassdroid.database.edit.RunnableOnFinish;
+import com.keepassdroid.database.edit.UpdateEntry;
+import com.keepassdroid.database.security.ProtectedString;
+import com.keepassdroid.dialogs.GeneratePasswordDialogFragment;
+import com.keepassdroid.dialogs.IconPickerDialogFragment;
+import com.keepassdroid.icons.Icons;
+import com.keepassdroid.settings.PreferencesUtil;
+import com.keepassdroid.tasks.ProgressTask;
+import com.keepassdroid.utils.MenuUtil;
+import com.keepassdroid.utils.Types;
+import com.keepassdroid.utils.Util;
+import com.keepassdroid.view.EntryEditNewField;
+import com.kunzisoft.keepass.R;
+
+import java.util.Map;
+import java.util.UUID;
+
+public class EntryEditActivity extends LockingHideActivity
+		implements IconPickerDialogFragment.IconPickerListener,
+        GeneratePasswordDialogFragment.GeneratePasswordListener {
+
+    // Keys for current Activity
+	public static final String KEY_ENTRY = "entry";
+	public static final String KEY_PARENT = "parent";
+
+	// Keys for callback
+	public static final int ADD_ENTRY_RESULT_CODE = 31;
+	public static final int UPDATE_ENTRY_RESULT_CODE = 32;
+	public static final int ADD_OR_UPDATE_ENTRY_REQUEST_CODE = 7129;
+	public static final String ADD_OR_UPDATE_ENTRY_KEY = "ADD_OR_UPDATE_ENTRY_KEY";
+
+	protected PwEntry mEntry;
+	protected PwEntry mCallbackNewEntry;
+	protected boolean mIsNew;
+	protected int mSelectedIconID = -1;
+
+    // Views
+    private ScrollView scrollView;
+    private EditText entryTitleView;
+    private EditText entryUserNameView;
+    private EditText entryUrlView;
+    private EditText entryPasswordView;
+    private EditText entryConfirmationPasswordView;
+    private EditText entryCommentView;
+    private ViewGroup entryExtraFieldsContainer;
+
+	/**
+	 * launch EntryEditActivity to update an existing entry
+	 * @param act from activity
+	 * @param pw Entry to update
+	 */
+	public static void Launch(Activity act, PwEntry pw) {
+        if (LockingActivity.checkTimeIsAllowedOrFinish(act)) {
+            Intent intent = new Intent(act, EntryEditActivity.class);
+            intent.putExtra(KEY_ENTRY, Types.UUIDtoBytes(pw.getUUID()));
+            act.startActivityForResult(intent, ADD_OR_UPDATE_ENTRY_REQUEST_CODE);
+        }
+	}
+
+	/**
+	 * launch EntryEditActivity to add a new entry
+	 * @param act from activity
+	 * @param pwGroup Group who will contains new entry
+	 */
+	public static void Launch(Activity act, PwGroup pwGroup) {
+        if (LockingActivity.checkTimeIsAllowedOrFinish(act)) {
+            Intent intent = new Intent(act, EntryEditActivity.class);
+            intent.putExtra(KEY_PARENT, pwGroup.getId());
+            act.startActivityForResult(intent, ADD_OR_UPDATE_ENTRY_REQUEST_CODE);
+        }
+	}
+	
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.entry_edit);
+
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        toolbar.setTitle(getString(R.string.app_name));
+        setSupportActionBar(toolbar);
+        assert getSupportActionBar() != null;
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        getSupportActionBar().setDisplayShowHomeEnabled(true);
+
+        scrollView = findViewById(R.id.entry_scroll);
+        scrollView.setScrollBarStyle(View.SCROLLBARS_INSIDE_INSET);
+
+        entryTitleView = findViewById(R.id.entry_title);
+        entryUserNameView = findViewById(R.id.entry_user_name);
+        entryUrlView = findViewById(R.id.entry_url);
+        entryPasswordView = findViewById(R.id.entry_password);
+        entryConfirmationPasswordView = findViewById(R.id.entry_confpassword);
+        entryCommentView = findViewById(R.id.entry_comment);
+        entryExtraFieldsContainer = findViewById(R.id.advanced_container);
+		
+		// Likely the app has been killed exit the activity
+		Database db = App.getDB();
+		if ( ! db.Loaded() ) {
+			finish();
+			return;
+		}
+
+		Intent intent = getIntent();
+		byte[] uuidBytes = intent.getByteArrayExtra(KEY_ENTRY);
+
+		PwDatabase pm = db.pm;
+		if ( uuidBytes == null ) {
+            PwGroupId parentId = (PwGroupId) intent.getSerializableExtra(KEY_PARENT);
+			PwGroup parent = pm.groups.get(parentId);
+			mEntry = PwEntry.getInstance(parent);
+			mIsNew = true;
+		} else {
+			UUID uuid = Types.bytestoUUID(uuidBytes);
+			mEntry = pm.entries.get(uuid);
+			mIsNew = false;
+			fillData();
+		}
+
+		View iconButton = findViewById(R.id.icon_button);
+		iconButton.setOnClickListener(v ->
+                IconPickerDialogFragment.launch(EntryEditActivity.this));
+
+		// Generate password button
+		View generatePassword = findViewById(R.id.generate_button);
+		generatePassword.setOnClickListener(v -> {
+            GeneratePasswordDialogFragment generatePasswordDialogFragment = new GeneratePasswordDialogFragment();
+            generatePasswordDialogFragment.show(getSupportFragmentManager(), "PasswordGeneratorFragment");
+        });
+		
+		// Save button
+		View save = findViewById(R.id.entry_save);
+		save.setOnClickListener(v -> {
+            if (!validateBeforeSaving()) {
+                return;
+            }
+            mCallbackNewEntry = populateNewEntry();
+
+            OnFinish onFinish = new AfterSave();
+            EntryEditActivity act = EntryEditActivity.this;
+            RunnableOnFinish task;
+            if ( mIsNew ) {
+                task = new AddEntry(act, App.getDB(), mCallbackNewEntry, onFinish);
+            } else {
+                task = new UpdateEntry(act, App.getDB(), mEntry, mCallbackNewEntry, onFinish);
+            }
+            ProgressTask pt = new ProgressTask(act, task, R.string.saving_database);
+            pt.run();
+        });
+
+
+		if (mEntry.allowExtraFields()) {
+            View add = findViewById(R.id.add_new_field);
+            add.setVisibility(View.VISIBLE);
+            add.setOnClickListener(v -> {
+                EntryEditNewField ees = new EntryEditNewField(EntryEditActivity.this);
+                ees.setData("", new ProtectedString(false, ""));
+                entryExtraFieldsContainer.addView(ees);
+
+                // Scroll bottom
+                scrollView.post(() -> scrollView.fullScroll(ScrollView.FOCUS_DOWN));
+            });
+        }
+	}
+	
+	protected boolean validateBeforeSaving() {
+		// Require title
+		String title = entryTitleView.getText().toString();
+		if ( title.length() == 0 ) {
+			Toast.makeText(this, R.string.error_title_required, Toast.LENGTH_LONG).show();
+			return false;
+		}
+		
+		// Validate password
+		String pass = entryPasswordView.getText().toString();
+		String conf = entryConfirmationPasswordView.getText().toString();
+		if ( ! pass.equals(conf) ) {
+			Toast.makeText(this, R.string.error_pass_match, Toast.LENGTH_LONG).show();
+			return false;
+		}
+
+		// Validate extra fields
+        if (mEntry.allowExtraFields()) {
+            for (int i = 0; i < entryExtraFieldsContainer.getChildCount(); i++) {
+                EntryEditNewField entryEditNewField = (EntryEditNewField) entryExtraFieldsContainer.getChildAt(i);
+                String key = entryEditNewField.getLabel();
+                if (key == null || key.length() == 0) {
+                    Toast.makeText(this, R.string.error_string_key, Toast.LENGTH_LONG).show();
+                    return false;
+                }
+            }
+        }
+
+        return true;
+	}
+	
+	protected PwEntry populateNewEntry() {
+        PwDatabase db = App.getDB().pm;
+
+        PwEntry newEntry = mEntry.clone();
+
+        newEntry.startToDecodeReference(db);
+
+        newEntry.createBackup(db);
+
+        newEntry.setLastAccessTime(new PwDate());
+        newEntry.setLastModificationTime(new PwDate());
+
+        newEntry.setTitle(entryTitleView.getText().toString());
+        if(mSelectedIconID != -1)
+            // or TODO icon factory newEntry.setIcon(App.getDB().pm.iconFactory.getIcon(mSelectedIconID));
+            newEntry.setIcon(new PwIconStandard(mSelectedIconID));
+        else {
+            if (mIsNew) {
+                newEntry.setIcon(App.getDB().pm.iconFactory.getIcon(0));
+            }
+            else {
+                // Keep previous icon, if no new one was selected
+                newEntry.setIcon(mEntry.getIconStandard());
+            }
+        }
+        newEntry.setUrl(entryUrlView.getText().toString());
+        newEntry.setUsername(entryUserNameView.getText().toString());
+        newEntry.setNotes(entryCommentView.getText().toString());
+        newEntry.setPassword(entryPasswordView.getText().toString());
+
+        if (newEntry.allowExtraFields()) {
+            // Delete all new standard strings
+            newEntry.removeExtraFields();
+            // Add extra fields from views
+            for (int i = 0; i < entryExtraFieldsContainer.getChildCount(); i++) {
+                EntryEditNewField view = (EntryEditNewField) entryExtraFieldsContainer.getChildAt(i);
+                String key = view.getLabel();
+                String value = view.getValue();
+                boolean protect = view.isProtected();
+                newEntry.addField(key, new ProtectedString(protect, value));
+            }
+        }
+
+        newEntry.endToDecodeReference(db);
+
+        return newEntry;
+	}
+
+
+	@Override
+	public boolean onCreateOptionsMenu(Menu menu) {
+		super.onCreateOptionsMenu(menu);
+		
+		MenuInflater inflater = getMenuInflater();
+		MenuUtil.donationMenuInflater(inflater, menu);
+		
+		return true;
+	}
+	
+	public boolean onOptionsItemSelected(MenuItem item) {
+		switch ( item.getItemId() ) {
+			case R.id.menu_donate:
+				return MenuUtil.onDonationItemSelected(this);
+
+			case android.R.id.home:
+				finish();
+		}
+		
+		return super.onOptionsItemSelected(item);
+	}
+
+	protected void fillData() {
+		ImageButton currIconButton = findViewById(R.id.icon_button);
+		App.getDB().drawFactory.assignDrawableTo(currIconButton, getResources(), mEntry.getIcon());
+
+        entryTitleView.setText(mEntry.getTitle());
+        entryUserNameView.setText(mEntry.getUsername());
+        entryUrlView.setText(mEntry.getUrl());
+        String password = mEntry.getPassword();
+        entryPasswordView.setText(password);
+        entryConfirmationPasswordView.setText(password);
+        entryCommentView.setText(mEntry.getNotes());
+
+        boolean visibilityFontActivated = PreferencesUtil.fieldFontIsInVisibility(this);
+        if (visibilityFontActivated) {
+            Util.applyFontVisibilityTo(entryUserNameView);
+            Util.applyFontVisibilityTo(entryPasswordView);
+            Util.applyFontVisibilityTo(entryConfirmationPasswordView);
+            Util.applyFontVisibilityTo(entryCommentView);
+        }
+
+		if (mEntry.allowExtraFields()) {
+            LinearLayout container = findViewById(R.id.advanced_container);
+            for (Map.Entry<String, ProtectedString> pair : mEntry.getExtraProtectedFields().entrySet()) {
+                EntryEditNewField entryEditNewField = new EntryEditNewField(EntryEditActivity.this);
+                entryEditNewField.setData(pair.getKey(), pair.getValue());
+                entryEditNewField.setFontVisibility(visibilityFontActivated);
+                container.addView(entryEditNewField);
+            }
+        }
+	}
+
+    @Override
+    public void iconPicked(Bundle bundle) {
+        mSelectedIconID = bundle.getInt(IconPickerDialogFragment.KEY_ICON_ID);
+        ImageButton currIconButton = findViewById(R.id.icon_button);
+        currIconButton.setImageResource(Icons.iconToResId(mSelectedIconID));
+    }
+
+    @Override
+    public void acceptPassword(Bundle bundle) {
+        String generatedPassword = bundle.getString(GeneratePasswordDialogFragment.KEY_PASSWORD_ID);
+        entryPasswordView.setText(generatedPassword);
+        entryConfirmationPasswordView.setText(generatedPassword);
+    }
+
+    @Override
+    public void cancelPassword(Bundle bundle) {
+        // Do nothing here
+    }
+
+	@Override
+	public void finish() {
+	    // Assign entry callback as a result in all case
+		if (mCallbackNewEntry != null) {
+            Bundle bundle = new Bundle();
+			Intent intentEntry = new Intent();
+            bundle.putSerializable(ADD_OR_UPDATE_ENTRY_KEY, mCallbackNewEntry);
+            intentEntry.putExtras(bundle);
+			if (mIsNew) {
+				setResult(ADD_ENTRY_RESULT_CODE, intentEntry);
+			} else {
+				setResult(UPDATE_ENTRY_RESULT_CODE, intentEntry);
+			}
+		}
+		super.finish();
+	}
+
+	private final class AfterSave extends OnFinish {
+
+		AfterSave() {
+			super(new Handler());
+		}
+
+		@Override
+		public void run() {
+			if ( mSuccess ) {
+				finish();
+			} else {
+				displayMessage(EntryEditActivity.this);
+			}
+		}
+	}
+
+}

app/src/main/java/com/keepassdroid/activities/GroupActivity.java

@@ -0,0 +1,442 @@
+/*
+ * 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 2 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.keepassdroid.activities;
+
+import android.app.Activity;
+import android.app.Dialog;
+import android.app.SearchManager;
+import android.app.assist.AssistStructure;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Handler;
+import android.preference.PreferenceManager;
+import android.support.annotation.RequiresApi;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.SearchView;
+import android.support.v7.widget.Toolbar;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.widget.ImageView;
+
+import com.keepassdroid.adapters.NodeAdapter;
+import com.keepassdroid.app.App;
+import com.keepassdroid.autofill.AutofillHelper;
+import com.keepassdroid.database.Database;
+import com.keepassdroid.database.PwEntry;
+import com.keepassdroid.database.PwGroup;
+import com.keepassdroid.database.PwGroupId;
+import com.keepassdroid.database.PwNode;
+import com.keepassdroid.database.SortNodeEnum;
+import com.keepassdroid.database.edit.AddGroup;
+import com.keepassdroid.database.edit.DeleteEntry;
+import com.keepassdroid.database.edit.DeleteGroup;
+import com.keepassdroid.dialogs.AssignMasterKeyDialogFragment;
+import com.keepassdroid.dialogs.GroupEditDialogFragment;
+import com.keepassdroid.dialogs.IconPickerDialogFragment;
+import com.keepassdroid.dialogs.ReadOnlyDialog;
+import com.keepassdroid.search.SearchResultsActivity;
+import com.keepassdroid.tasks.ProgressTask;
+import com.keepassdroid.view.AddNodeButtonView;
+import com.kunzisoft.keepass.R;
+
+public class GroupActivity extends ListNodesActivity
+        implements GroupEditDialogFragment.EditGroupListener, IconPickerDialogFragment.IconPickerListener {
+
+    private static final String GROUP_ID_KEY = "GROUP_ID_KEY";
+
+    private AddNodeButtonView addNodeButtonView;
+
+	protected boolean addGroupEnabled = false;
+	protected boolean addEntryEnabled = false;
+	protected boolean isRoot = false;
+	protected boolean readOnly = false;
+	protected EditGroupDialogAction editGroupDialogAction = EditGroupDialogAction.NONE;
+
+    private AutofillHelper autofillHelper;
+
+    private enum EditGroupDialogAction {
+	    CREATION, UPDATE, NONE
+    }
+
+	private static final String TAG = "Group Activity:";
+	
+	public static void launch(Activity act) {
+        LockingActivity.recordFirstTimeBeforeLaunch(act);
+        launch(act, (PwGroup) null);
+	}
+
+    public static void launch(Activity act, PwGroup group) {
+        if (LockingActivity.checkTimeIsAllowedOrFinish(act)) {
+            Intent intent = new Intent(act, GroupActivity.class);
+            if (group != null) {
+                intent.putExtra(GROUP_ID_KEY, group.getId());
+            }
+            act.startActivityForResult(intent, 0);
+        }
+    }
+
+    @RequiresApi(api = Build.VERSION_CODES.O)
+    public static void launch(Activity act, AssistStructure assistStructure) {
+        if ( assistStructure != null ) {
+            LockingActivity.recordFirstTimeBeforeLaunch(act);
+            launch(act, null, assistStructure);
+        } else {
+            launch(act);
+        }
+    }
+
+    @RequiresApi(api = Build.VERSION_CODES.O)
+    public static void launch(Activity act, PwGroup group, AssistStructure assistStructure) {
+        if ( assistStructure != null ) {
+            if (LockingActivity.checkTimeIsAllowedOrFinish(act)) {
+                Intent intent = new Intent(act, GroupActivity.class);
+                if (group != null) {
+                    intent.putExtra(GROUP_ID_KEY, group.getId());
+                }
+                AutofillHelper.addAssistStructureExtraInIntent(intent, assistStructure);
+                act.startActivityForResult(intent, AutofillHelper.AUTOFILL_RESPONSE_REQUEST_CODE);
+            }
+        } else {
+            launch(act, group);
+        }
+	}
+	
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		
+		Log.w(TAG, "Retrieved tree");
+		if ( mCurrentGroup == null ) {
+			Log.w(TAG, "Group was null");
+			return;
+		}
+
+		// Construct main view
+        setContentView(getLayoutInflater().inflate(R.layout.list_nodes_with_add_button, null));
+
+        addNodeButtonView = findViewById(R.id.add_node_button);
+        addNodeButtonView.enableAddGroup(addGroupEnabled);
+        addNodeButtonView.enableAddEntry(addEntryEnabled);
+        // Hide when scroll
+        RecyclerView recyclerView = findViewById(R.id.nodes_list);
+        recyclerView.addOnScrollListener(addNodeButtonView.hideButtonOnScrollListener());
+
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        toolbar.setTitle("");
+        setSupportActionBar(toolbar);
+
+        if ( mCurrentGroup.getParent() != null )
+            toolbar.setNavigationIcon(R.drawable.ic_arrow_up_white_24dp);
+
+        addNodeButtonView.setAddGroupClickListener(v -> {
+            editGroupDialogAction = EditGroupDialogAction.CREATION;
+            GroupEditDialogFragment groupEditDialogFragment = new GroupEditDialogFragment();
+            groupEditDialogFragment.show(getSupportFragmentManager(),
+                    GroupEditDialogFragment.TAG_CREATE_GROUP);
+        });
+        addNodeButtonView.setAddEntryClickListener(v ->
+                EntryEditActivity.Launch(GroupActivity.this, mCurrentGroup));
+		
+		setGroupTitle();
+		setGroupIcon();
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            autofillHelper = new AutofillHelper();
+            autofillHelper.retrieveAssistStructure(getIntent());
+        }
+
+        Log.w(TAG, "Finished creating tree");
+
+        if (isRoot) {
+            showWarnings();
+        }
+	}
+
+	protected PwGroup initCurrentGroup() {
+	    PwGroup currentGroup;
+        Database db = App.getDB();
+        readOnly = db.readOnly;
+        PwGroup root = db.pm.rootGroup;
+
+        Log.w(TAG, "Creating tree view");
+        PwGroupId pwGroupId = (PwGroupId) getIntent().getSerializableExtra(GROUP_ID_KEY);
+        if ( pwGroupId == null ) {
+            currentGroup = root;
+        } else {
+            currentGroup = db.pm.groups.get(pwGroupId);
+        }
+
+        if (currentGroup != null) {
+            addGroupEnabled = !readOnly;
+            addEntryEnabled = !readOnly; // TODO ReadOnly
+            isRoot = (currentGroup == root);
+            if (!currentGroup.allowAddEntryIfIsRoot())
+                addEntryEnabled = !isRoot && addEntryEnabled;
+        }
+
+        return currentGroup;
+    }
+
+    @Override
+    protected RecyclerView defineNodeList() {
+        return (RecyclerView) findViewById(R.id.nodes_list);
+    }
+
+    @Override
+    public void onNodeClick(PwNode node) {
+        // Add event when we have Autofill
+        AssistStructure assistStructure = null;
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            assistStructure = autofillHelper.getAssistStructure();
+            if (assistStructure != null) {
+                mAdapter.registerANodeToUpdate(node);
+                switch (node.getType()) {
+                    case GROUP:
+                        GroupActivity.launch(this, (PwGroup) node, assistStructure);
+                        break;
+                    case ENTRY:
+                        // Build response with the entry selected
+                        autofillHelper.buildResponseWhenEntrySelected(this, (PwEntry) node);
+                        finish();
+                        break;
+                }
+            }
+        }
+        if ( assistStructure == null ){
+            super.onNodeClick(node);
+        }
+    }
+
+    @Override
+    protected void addOptionsToAdapter(NodeAdapter nodeAdapter) {
+	    super.addOptionsToAdapter(nodeAdapter);
+
+        nodeAdapter.setActivateContextMenu(true);
+        nodeAdapter.setNodeMenuListener(new NodeAdapter.NodeMenuListener() {
+            @Override
+            public boolean onOpenMenuClick(PwNode node) {
+                mAdapter.registerANodeToUpdate(node);
+                switch (node.getType()) {
+                    case GROUP:
+                        GroupActivity.launch(GroupActivity.this, (PwGroup) node);
+                        break;
+                    case ENTRY:
+                        EntryActivity.launch(GroupActivity.this, (PwEntry) node);
+                        break;
+                }
+                return true;
+            }
+
+            @Override
+            public boolean onEditMenuClick(PwNode node) {
+                mAdapter.registerANodeToUpdate(node);
+                switch (node.getType()) {
+                    case GROUP:
+                        editGroupDialogAction = EditGroupDialogAction.UPDATE;
+                        GroupEditDialogFragment groupEditDialogFragment =
+                                GroupEditDialogFragment.build(node);
+                        groupEditDialogFragment.show(getSupportFragmentManager(),
+                                GroupEditDialogFragment.TAG_CREATE_GROUP);
+                        break;
+                    case ENTRY:
+                        EntryEditActivity.Launch(GroupActivity.this, (PwEntry) node);
+                        break;
+                }
+                return true;
+            }
+
+            @Override
+            public boolean onDeleteMenuClick(PwNode node) {
+                switch (node.getType()) {
+                    case GROUP:
+                        deleteGroup((PwGroup) node);
+                        break;
+                    case ENTRY:
+                        deleteEntry((PwEntry) node);
+                        break;
+                }
+                return true;
+            }
+        });
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        // Show button on resume
+        addNodeButtonView.showButton();
+    }
+
+    @Override
+    protected void onStop() {
+        super.onStop();
+        // Hide button
+        addNodeButtonView.hideButton();
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            AutofillHelper.onActivityResultSetResultAndFinish(this, requestCode, resultCode, data);
+        }
+    }
+
+    @Override
+    public void onSortSelected(SortNodeEnum sortNodeEnum, boolean ascending, boolean groupsBefore, boolean recycleBinBottom) {
+        super.onSortSelected(sortNodeEnum, ascending, groupsBefore, recycleBinBottom);
+        // Show button if hide after sort
+        addNodeButtonView.showButton();
+    }
+
+    protected void setGroupIcon() {
+		if (mCurrentGroup != null) {
+			ImageView iv = (ImageView) findViewById(R.id.icon);
+			App.getDB().drawFactory.assignDrawableTo(iv, getResources(), mCurrentGroup.getIcon());
+		}
+	}
+
+    private void deleteEntry(PwEntry entry) {
+        Handler handler = new Handler();
+        DeleteEntry task = new DeleteEntry(this, App.getDB(), entry,
+                new AfterDeleteNode(handler, entry));
+        ProgressTask pt = new ProgressTask(this, task, R.string.saving_database);
+        pt.run();
+    }
+
+    private void deleteGroup(PwGroup group) {
+		//TODO Verify trash recycle bin
+        Handler handler = new Handler();
+        DeleteGroup task = new DeleteGroup(this, App.getDB(), group,
+				new AfterDeleteNode(handler, group));
+        ProgressTask pt = new ProgressTask(this, task, R.string.saving_database);
+        pt.run();
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        super.onCreateOptionsMenu(menu);
+
+        MenuInflater inflater = getMenuInflater();
+        inflater.inflate(R.menu.search, menu);
+        inflater.inflate(R.menu.database_master_key, menu);
+        inflater.inflate(R.menu.database_lock, menu);
+
+        // Get the SearchView and set the searchable configuration
+        SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
+        assert searchManager != null;
+
+        MenuItem searchItem = menu.findItem(R.id.menu_search);
+        SearchView searchView = null;
+        if (searchItem != null) {
+            searchView = (SearchView) searchItem.getActionView();
+        }
+        if (searchView != null) {
+            // TODO Flickering when locking, will be better with content provider
+            searchView.setSearchableInfo(searchManager.getSearchableInfo(new ComponentName(this, SearchResultsActivity.class)));
+            searchView.setIconifiedByDefault(false); // Do not iconify the widget; expand it by default
+        }
+
+        return true;
+    }
+
+	@Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+
+            case android.R.id.home:
+                onBackPressed();
+                return true;
+
+            case R.id.menu_search:
+                onSearchRequested();
+                return true;
+
+            case R.id.menu_lock:
+                lockAndExit();
+                return true;
+
+            case R.id.menu_change_master_key:
+                setPassword();
+                return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    private void setPassword() {
+        AssignMasterKeyDialogFragment dialog = new AssignMasterKeyDialogFragment();
+        dialog.show(getSupportFragmentManager(), "passwordDialog");
+    }
+
+    @Override
+    public void approveEditGroup(Bundle bundle) {
+        String GroupName = bundle.getString(GroupEditDialogFragment.KEY_NAME);
+        int GroupIconID = bundle.getInt(GroupEditDialogFragment.KEY_ICON_ID);
+        switch (editGroupDialogAction) {
+            case CREATION:
+                // If edit group creation
+                Handler handler = new Handler();
+                AddGroup task = new AddGroup(this, App.getDB(), GroupName, GroupIconID, mCurrentGroup,
+                        new AfterAddNode(handler), false);
+                ProgressTask pt = new ProgressTask(this, task, R.string.saving_database);
+                pt.run();
+                break;
+            case UPDATE:
+                // If edit group update
+                // TODO UpdateGroup
+                break;
+        }
+        editGroupDialogAction = EditGroupDialogAction.NONE;
+    }
+
+    @Override
+    public void cancelEditGroup(Bundle bundle) {
+        // Do nothing here
+    }
+
+    @Override
+    // For icon in create tree dialog
+    public void iconPicked(Bundle bundle) {
+        GroupEditDialogFragment groupEditDialogFragment =
+                (GroupEditDialogFragment) getSupportFragmentManager()
+                        .findFragmentByTag(GroupEditDialogFragment.TAG_CREATE_GROUP);
+        if (groupEditDialogFragment != null) {
+            groupEditDialogFragment.iconPicked(bundle);
+        }
+    }
+	
+	protected void showWarnings() {
+		if (App.getDB().readOnly) {
+		    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
+		    
+		    if (prefs.getBoolean(getString(R.string.show_read_only_warning), true)) {
+			    Dialog dialog = new ReadOnlyDialog(this);
+			    dialog.show();
+		    }
+		}
+	}
+}

app/src/main/java/com/keepassdroid/activities/ListNodesActivity.java

@@ -0,0 +1,315 @@
+/*
+ * 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 2 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.keepassdroid.activities;
+
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.Editor;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Handler;
+import android.preference.PreferenceManager;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.TextView;
+
+import com.keepassdroid.adapters.NodeAdapter;
+import com.keepassdroid.app.App;
+import com.keepassdroid.compat.EditorCompat;
+import com.keepassdroid.database.PwDatabase;
+import com.keepassdroid.database.PwEntry;
+import com.keepassdroid.database.PwGroup;
+import com.keepassdroid.database.PwNode;
+import com.keepassdroid.database.edit.AfterAddNodeOnFinish;
+import com.keepassdroid.database.edit.OnFinish;
+import com.keepassdroid.dialogs.AssignMasterKeyDialogFragment;
+import com.keepassdroid.dialogs.SortDialogFragment;
+import com.keepassdroid.settings.PreferencesUtil;
+import com.keepassdroid.tasks.UIToastTask;
+import com.keepassdroid.utils.MenuUtil;
+import com.keepassdroid.database.SortNodeEnum;
+import com.keepassdroid.password.AssignPasswordHelper;
+import com.kunzisoft.keepass.R;
+
+public abstract class ListNodesActivity extends LockingActivity
+		implements AssignMasterKeyDialogFragment.AssignPasswordDialogListener,
+		NodeAdapter.OnNodeClickCallback,
+        SortDialogFragment.SortSelectionListener {
+
+    protected PwGroup mCurrentGroup;
+	protected NodeAdapter mAdapter;
+	
+	private SharedPreferences prefs;
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+
+        if ( isFinishing() ) {
+            return;
+        }
+		
+		// Likely the app has been killed exit the activity 
+		if ( ! App.getDB().Loaded() ) {
+			finish();
+			return;
+		}
+		
+		prefs = PreferenceManager.getDefaultSharedPreferences(this);
+
+		invalidateOptionsMenu();
+
+		// TODO Move in search
+		setContentView(R.layout.list_nodes);
+
+        mCurrentGroup = initCurrentGroup();
+
+        mAdapter = new NodeAdapter(this);
+        addOptionsToAdapter(mAdapter);
+	}
+
+    protected abstract PwGroup initCurrentGroup();
+
+    protected abstract RecyclerView defineNodeList();
+
+    protected void addOptionsToAdapter(NodeAdapter nodeAdapter) {
+        mAdapter.setOnNodeClickListener(this);
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        // Add elements to the list
+        mAdapter.rebuildList(mCurrentGroup);
+        assignListToNodeAdapter(defineNodeList());
+    }
+	
+	protected void setGroupTitle() {
+		if ( mCurrentGroup != null ) {
+			String name = mCurrentGroup.getName();
+            TextView tv = (TextView) findViewById(R.id.group_name);
+			if ( name != null && name.length() > 0 ) {
+				if ( tv != null ) {
+					tv.setText(name);
+				}
+			} else {
+				if ( tv != null ) {
+					tv.setText(getText(R.string.root));
+				}
+			}
+		}
+	}
+
+	protected void assignListToNodeAdapter(RecyclerView recyclerView) {
+        recyclerView.setScrollBarStyle(View.SCROLLBARS_INSIDE_INSET);
+        // TODO mList.setTextFilterEnabled(true);
+        recyclerView.setLayoutManager(new LinearLayoutManager(this));
+        recyclerView.setAdapter(mAdapter);
+	}
+
+    @Override
+    public void onNodeClick(PwNode node) {
+		mAdapter.registerANodeToUpdate(node);
+        switch (node.getType()) {
+            case GROUP:
+                GroupActivity.launch(this, (PwGroup) node);
+                break;
+            case ENTRY:
+                EntryActivity.launch(this, (PwEntry) node);
+                break;
+        }
+    }
+
+    @Override
+	public boolean onCreateOptionsMenu(Menu menu) {
+		super.onCreateOptionsMenu(menu);
+		
+		MenuInflater inflater = getMenuInflater();
+		MenuUtil.donationMenuInflater(inflater, menu);
+		inflater.inflate(R.menu.tree, menu);
+		inflater.inflate(R.menu.default_menu, menu);
+
+		return true;
+	}
+
+    @Override
+    public void onSortSelected(SortNodeEnum sortNodeEnum, boolean ascending, boolean groupsBefore, boolean recycleBinBottom) {
+        // Toggle setting
+        Editor editor = prefs.edit();
+        editor.putString(getString(R.string.sort_node_key), sortNodeEnum.name());
+        editor.putBoolean(getString(R.string.sort_ascending_key), ascending);
+        editor.putBoolean(getString(R.string.sort_group_before_key), groupsBefore);
+        editor.putBoolean(getString(R.string.sort_recycle_bin_bottom_key), recycleBinBottom);
+        EditorCompat.apply(editor);
+
+        // Tell the adapter to refresh it's list
+        mAdapter.notifyChangeSort(sortNodeEnum, ascending, groupsBefore);
+        mAdapter.rebuildList(mCurrentGroup);
+    }
+
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item) {
+		switch ( item.getItemId() ) {
+
+            case R.id.menu_sort:
+                SortDialogFragment sortDialogFragment;
+
+                PwDatabase database = App.getDB().pm;
+                /*
+                // TODO Recycle bin bottom
+                if (database.isRecycleBinAvailable() && database.isRecycleBinEnable()) {
+                    sortDialogFragment =
+                            SortDialogFragment.getInstance(
+                                    PrefsUtil.getListSort(this),
+                                    PrefsUtil.getAscendingSort(this),
+                                    PrefsUtil.getGroupsBeforeSort(this),
+                                    PrefsUtil.getRecycleBinBottomSort(this));
+                } else {
+                */
+                    sortDialogFragment =
+                            SortDialogFragment.getInstance(
+                                    PreferencesUtil.getListSort(this),
+                                    PreferencesUtil.getAscendingSort(this),
+                                    PreferencesUtil.getGroupsBeforeSort(this));
+                //}
+
+                sortDialogFragment.show(getSupportFragmentManager(), "sortDialog");
+                return true;
+
+            default:
+                // Check the time lock before launching settings
+                MenuUtil.onDefaultMenuOptionsItemSelected(this, item, true);
+                return super.onOptionsItemSelected(item);
+		}
+	}
+
+    @Override
+    public void onAssignKeyDialogPositiveClick(
+    		boolean masterPasswordChecked, String masterPassword,
+			boolean keyFileChecked, Uri keyFile) {
+
+        AssignPasswordHelper assignPasswordHelper =
+                new AssignPasswordHelper(this,
+                        masterPassword, keyFile);
+        assignPasswordHelper.assignPasswordInDatabase(null);
+    }
+
+    @Override
+    public void onAssignKeyDialogNegativeClick(
+			boolean masterPasswordChecked, String masterPassword,
+			boolean keyFileChecked, Uri keyFile) {
+
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        switch (requestCode) {
+            case EntryEditActivity.ADD_OR_UPDATE_ENTRY_REQUEST_CODE:
+                if (resultCode == EntryEditActivity.ADD_ENTRY_RESULT_CODE ||
+                        resultCode == EntryEditActivity.UPDATE_ENTRY_RESULT_CODE) {
+                    PwNode newNode = (PwNode) data.getSerializableExtra(EntryEditActivity.ADD_OR_UPDATE_ENTRY_KEY);
+                    if (newNode != null) {
+						if (resultCode == EntryEditActivity.ADD_ENTRY_RESULT_CODE)
+							mAdapter.addNode(newNode);
+						if (resultCode == EntryEditActivity.UPDATE_ENTRY_RESULT_CODE) {
+							//mAdapter.updateLastNodeRegister(newNode);
+							mAdapter.rebuildList(mCurrentGroup);
+						}
+					} else {
+                        Log.e(this.getClass().getName(), "New node can be retrieve in Activity Result");
+                    }
+                }
+                break;
+        }
+    }
+
+	@Override
+	public void startActivityForResult(Intent intent, int requestCode, Bundle options) {
+		/*
+		 * ACTION_SEARCH automatically forces a new task. This occurs when you open a kdb file in
+		 * another app such as Files or GoogleDrive and then Search for an entry. Here we remove the
+		 * FLAG_ACTIVITY_NEW_TASK flag bit allowing search to open it's activity in the current task.
+		 */
+		if (Intent.ACTION_SEARCH.equals(intent.getAction())) {
+			int flags = intent.getFlags();
+			flags &= ~Intent.FLAG_ACTIVITY_NEW_TASK;
+			intent.setFlags(flags);
+		}
+
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
+		    // TODO BUG HERE
+			super.startActivityForResult(intent, requestCode, options);
+		}
+	}
+
+    class AfterAddNode extends AfterAddNodeOnFinish {
+        AfterAddNode(Handler handler) {
+            super(handler);
+        }
+
+        public void run(PwNode pwNode) {
+            super.run();
+            if (mSuccess) {
+                mAdapter.addNode(pwNode);
+            } else {
+                displayMessage(ListNodesActivity.this);
+            }
+        }
+    }
+
+    class AfterDeleteNode extends OnFinish {
+        private PwNode pwNode;
+
+        AfterDeleteNode(Handler handler, PwNode pwNode) {
+            super(handler);
+            this.pwNode = pwNode;
+        }
+
+        @Override
+        public void run() {
+            if ( mSuccess) {
+                mAdapter.removeNode(pwNode);
+                PwGroup parent = pwNode.getParent();
+                PwDatabase database = App.getDB().pm;
+                if (database.isRecycleBinAvailable() && database.isRecycleBinEnable()) {
+                    PwGroup recycleBin = database.getRecycleBin();
+                    // Add trash if it doesn't exists
+                    if (parent.equals(recycleBin)
+                            && mCurrentGroup != null
+                            && mCurrentGroup.getParent() == null
+                            && !mCurrentGroup.equals(recycleBin)) {
+                        mAdapter.addNode(parent);
+                    }
+                }
+            } else {
+                mHandler.post(new UIToastTask(ListNodesActivity.this, "Unrecoverable error: " + mMessage));
+                App.setShutdown();
+                finish();
+            }
+        }
+    }
+}

app/src/main/java/com/keepassdroid/activities/LockingActivity.java

@@ -0,0 +1,141 @@
+/*
+ * 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 2 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.keepassdroid.activities;
+
+import android.app.Activity;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.util.Log;
+
+import com.keepassdroid.app.App;
+import com.keepassdroid.settings.PreferencesUtil;
+import com.keepassdroid.stylish.StylishActivity;
+import com.keepassdroid.timeout.TimeoutHelper;
+
+public abstract class LockingActivity extends StylishActivity {
+
+    private static final String TAG = LockingActivity.class.getName();
+
+    public static final int RESULT_EXIT_LOCK = 1450;
+
+    private static final String AT_LEAST_SECOND_SHOWN_KEY = "AT_LEAST_SECOND_SHOWN_KEY";
+
+    private ScreenReceiver screenReceiver;
+    private boolean exitLock;
+
+    protected static void recordFirstTimeBeforeLaunch(Activity activity) {
+        TimeoutHelper.recordTime(activity);
+    }
+
+    protected static boolean checkTimeIsAllowedOrFinish(Activity activity) {
+        return TimeoutHelper.checkTime(activity);
+    }
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        if (PreferencesUtil.isLockDatabaseWhenScreenShutOffEnable(this)) {
+            screenReceiver = new ScreenReceiver();
+            registerReceiver(screenReceiver, new IntentFilter((Intent.ACTION_SCREEN_OFF)));
+        } else
+            screenReceiver = null;
+
+        exitLock = false;
+
+        // WARNING TODO recordTime is not called after a back if was in backstack
+    }
+
+    public static void checkShutdown(Activity act) {
+        if (App.isShutdown() && App.getDB().Loaded()) {
+            Log.i(TAG, "Shutdown " + act.getLocalClassName() +
+                    " after inactivity or manual lock");
+            act.setResult(RESULT_EXIT_LOCK);
+            act.finish();
+        }
+    }
+
+    protected void lockAndExit() {
+        App.setShutdown();
+        setResult(LockingActivity.RESULT_EXIT_LOCK);
+        finish();
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (resultCode == RESULT_EXIT_LOCK) {
+            exitLock = true;
+            checkShutdown(this);
+        }
+    }
+
+    @Override
+	protected void onResume() {
+		super.onResume();
+		// After the first creation
+		// or If simply swipe with another application
+        // If the time is out -> close the Activity
+        TimeoutHelper.checkTime(this);
+        // If onCreate already record time
+        if (!exitLock)
+            TimeoutHelper.recordTime(this);
+	}
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        // If the time is out during our navigation in activity -> close the Activity
+        TimeoutHelper.checkTime(this);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        if(screenReceiver != null)
+            unregisterReceiver(screenReceiver);
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        outState.putBoolean(AT_LEAST_SECOND_SHOWN_KEY, true);
+    }
+
+    public class ScreenReceiver extends BroadcastReceiver {
+
+        @Override
+        public void onReceive(Context context, Intent intent) {
+
+            if(intent.getAction() != null) {
+                if (intent.getAction().equals(Intent.ACTION_SCREEN_OFF)) {
+                    if (PreferencesUtil.isLockDatabaseWhenScreenShutOffEnable(LockingActivity.this)) {
+                        App.setShutdown();
+                        checkShutdown(LockingActivity.this);
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/keepassdroid/activities/LockingHideActivity.java

@@ -17,29 +17,30 @@
  *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package com.keepassdroid;
+package com.keepassdroid.activities;
 
 import android.content.ActivityNotFoundException;
 import android.content.Intent;
+import android.os.Bundle;
+import android.view.WindowManager;
 
-import com.kunzisoft.keepass.KeePass;
-import com.keepassdroid.app.App;
+import com.keepassdroid.compat.BuildCompat;
 
-public abstract class LockCloseActivity extends LockingActivity {
+/**
+ * Locking Hide Activity that sets FLAG_SECURE to prevent screenshots, and from
+ * appearing in the recent app preview
+ */
+public abstract class LockingHideActivity extends LockingActivity {
 
 	@Override
-	protected void onResume() {
-		super.onResume();
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
 
-		checkShutdown();
-	}
-	
-	private void checkShutdown() {
-		if ( App.isShutdown() && App.getDB().Loaded() ) {
-			setResult(KeePass.EXIT_LOCK);
-			finish();
+		// Several gingerbread devices have problems with FLAG_SECURE
+		int ver = BuildCompat.getSdkVersion();
+		if (ver >= BuildCompat.VERSION_CODE_ICE_CREAM_SANDWICH || ver < BuildCompat.VERSION_CODE_GINGERBREAD) {
+			getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
 		}
-		
 	}
 
 	/* (non-Javadoc) Workaround for HTC Linkify issues 

app/src/main/java/com/keepassdroid/adapters/BasicViewHolder.java

@@ -0,0 +1,17 @@
+package com.keepassdroid.adapters;
+
+import android.support.v7.widget.RecyclerView;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+abstract class BasicViewHolder extends RecyclerView.ViewHolder {
+
+    View container;
+    ImageView icon;
+    TextView text;
+
+    BasicViewHolder(View itemView) {
+        super(itemView);
+    }
+}

app/src/main/java/com/keepassdroid/adapters/EntryViewHolder.java

@@ -0,0 +1,17 @@
+package com.keepassdroid.adapters;
+
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.kunzisoft.keepass.R;
+
+class EntryViewHolder extends BasicViewHolder {
+
+    EntryViewHolder(View itemView) {
+        super(itemView);
+        container = itemView.findViewById(R.id.entry_container);
+        icon = (ImageView) itemView.findViewById(R.id.entry_icon);
+        text = (TextView) itemView.findViewById(R.id.entry_text);
+    }
+}

app/src/main/java/com/keepassdroid/adapters/GroupViewHolder.java

@@ -0,0 +1,17 @@
+package com.keepassdroid.adapters;
+
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.kunzisoft.keepass.R;
+
+class GroupViewHolder extends BasicViewHolder {
+
+    GroupViewHolder(View itemView) {
+        super(itemView);
+        container = itemView.findViewById(R.id.group_container);
+        icon = (ImageView) itemView.findViewById(R.id.group_icon);
+        text = (TextView) itemView.findViewById(R.id.group_text);
+    }
+}

app/src/main/java/com/keepassdroid/adapters/NodeAdapter.java

@@ -0,0 +1,295 @@
+/*
+ * Copyright 2018 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 2 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.keepassdroid.adapters;
+
+import android.content.Context;
+import android.support.v7.util.SortedList;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.util.SortedListAdapterCallback;
+import android.util.Log;
+import android.view.ContextMenu;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.keepassdroid.app.App;
+import com.keepassdroid.database.PwGroup;
+import com.keepassdroid.database.PwNode;
+import com.keepassdroid.settings.PreferencesUtil;
+import com.keepassdroid.database.SortNodeEnum;
+import com.kunzisoft.keepass.R;
+
+public class NodeAdapter extends RecyclerView.Adapter<BasicViewHolder> {
+
+    private SortedList<PwNode> nodeSortedList;
+
+    private Context context;
+    private LayoutInflater inflater;
+    private float textSize;
+    private SortNodeEnum listSort;
+    private boolean groupsBeforeSort;
+    private boolean ascendingSort;
+
+    private OnNodeClickCallback onNodeClickCallback;
+    private int nodePositionToUpdate;
+    private NodeMenuListener nodeMenuListener;
+    private boolean activateContextMenu;
+
+    /**
+     * Create node list adapter with contextMenu or not
+     * @param context Context to use
+     */
+    public NodeAdapter(final Context context) {
+        this.inflater = LayoutInflater.from(context);
+        this.context = context;
+        this.textSize = PreferencesUtil.getListTextSize(context);
+        this.listSort = PreferencesUtil.getListSort(context);
+        this.groupsBeforeSort = PreferencesUtil.getGroupsBeforeSort(context);
+        this.ascendingSort = PreferencesUtil.getAscendingSort(context);
+        this.activateContextMenu = false;
+        this.nodePositionToUpdate = -1;
+
+        this.nodeSortedList = new SortedList<>(PwNode.class, new SortedListAdapterCallback<PwNode>(this) {
+            @Override public int compare(PwNode item1, PwNode item2) {
+                return listSort.getNodeComparator(ascendingSort, groupsBeforeSort).compare(item1, item2);
+            }
+
+            @Override public boolean areContentsTheSame(PwNode oldItem, PwNode newItem) {
+                return oldItem.isContentVisuallyTheSame(newItem);
+            }
+
+            @Override public boolean areItemsTheSame(PwNode item1, PwNode item2) {
+                return item1.equals(item2);
+            }
+        });
+    }
+
+    public void setActivateContextMenu(boolean activate) {
+        this.activateContextMenu = activate;
+    }
+
+    /**
+     * Rebuild the list by clear and build children from the group
+     */
+    public void rebuildList(PwGroup group) {
+        this.nodeSortedList.clear();
+        if (group != null) {
+            this.nodeSortedList.addAll(group.getDirectChildren());
+        }
+    }
+
+    /**
+     * Add a node to the list
+     * @param node Node to add
+     */
+    public void addNode(PwNode node) {
+        nodeSortedList.add(node);
+    }
+
+    /**
+     * Register a node to update before an action
+     * Call updateLastNodeRegister() after the action to update the node
+     * @param node Node to register
+     */
+    public void registerANodeToUpdate(PwNode node) {
+        nodePositionToUpdate = nodeSortedList.indexOf(node);
+    }
+
+    /**
+     * Update the last Node register in the list
+     * Work if only registerANodeToUpdate(PwNode node) is called before
+     */
+    public void updateLastNodeRegister(PwNode node) {
+        // Don't really update here, sorted list knows each original ref, so we just notify a change
+        try {
+            if (nodePositionToUpdate != -1) {
+                // Don't know why but there is a bug to remove a node after this update
+                nodeSortedList.updateItemAt(nodePositionToUpdate, node);
+                nodeSortedList.recalculatePositionOfItemAt(nodePositionToUpdate);
+                nodePositionToUpdate = -1;
+            }
+            else {
+                Log.e(NodeAdapter.class.getName(), "registerANodeToUpdate must be called before updateLastNodeRegister");
+            }
+        } catch (IndexOutOfBoundsException e) {
+            Log.e(NodeAdapter.class.getName(), e.getMessage());
+        }
+    }
+
+    /**
+     * Remove node in the list
+     * @param node Node to delete
+     */
+    public void removeNode(PwNode node) {
+        nodeSortedList.remove(node);
+    }
+
+    /**
+     * Notify a change sort of the list
+     */
+    public void notifyChangeSort(SortNodeEnum sortNodeEnum, boolean ascending, boolean groupsBefore) {
+        this.listSort = sortNodeEnum;
+        this.ascendingSort = ascending;
+        this.groupsBeforeSort = groupsBefore;
+    }
+
+    @Override
+    public int getItemViewType(int position) {
+        return nodeSortedList.get(position).getType().ordinal();
+    }
+
+    @Override
+    public BasicViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        BasicViewHolder basicViewHolder;
+        View view;
+        if (viewType == PwNode.Type.GROUP.ordinal()) {
+            view = inflater.inflate(R.layout.list_nodes_group, parent, false);
+            basicViewHolder = new GroupViewHolder(view);
+        } else {
+            view = inflater.inflate(R.layout.list_nodes_entry, parent, false);
+            basicViewHolder = new EntryViewHolder(view);
+        }
+        return basicViewHolder;
+    }
+
+    @Override
+    public void onBindViewHolder(BasicViewHolder holder, int position) {
+        PwNode subNode = nodeSortedList.get(position);
+        // Assign image
+        App.getDB().drawFactory.assignDrawableTo(holder.icon,
+                context.getResources(), subNode.getIcon());
+        // Assign text
+        holder.text.setText(subNode.getDisplayTitle());
+        // Assign click
+        holder.container.setOnClickListener(
+                new OnNodeClickListener(subNode));
+        // Context menu
+        if (activateContextMenu) {
+            holder.container.setOnCreateContextMenuListener(
+                    new ContextMenuBuilder(subNode, nodeMenuListener));
+        }
+        // Assign text size
+        holder.text.setTextSize(textSize);
+    }
+
+    @Override
+    public int getItemCount() {
+        return nodeSortedList.size();
+    }
+
+    /**
+     * Assign a listener when a node is clicked
+     */
+    public void setOnNodeClickListener(OnNodeClickCallback onNodeClickCallback) {
+        this.onNodeClickCallback = onNodeClickCallback;
+    }
+
+    /**
+     * Assign a listener when an element of menu is clicked
+     */
+    public void setNodeMenuListener(NodeMenuListener nodeMenuListener) {
+        this.nodeMenuListener = nodeMenuListener;
+    }
+
+    /**
+     * Callback listener to redefine to do an action when a node is click
+     */
+    public interface OnNodeClickCallback {
+        void onNodeClick(PwNode node);
+    }
+
+    /**
+     * Menu listener to redefine to do an action in menu
+     */
+    public interface NodeMenuListener {
+        boolean onOpenMenuClick(PwNode node);
+        boolean onEditMenuClick(PwNode node);
+        boolean onDeleteMenuClick(PwNode node);
+    }
+
+    /**
+     * Utility class for node listener
+     */
+    private class OnNodeClickListener implements View.OnClickListener {
+        private PwNode node;
+
+        OnNodeClickListener(PwNode node) {
+            this.node = node;
+        }
+
+        @Override
+        public void onClick(View v) {
+            if (onNodeClickCallback != null)
+                onNodeClickCallback.onNodeClick(node);
+        }
+    }
+
+    /**
+     * Utility class for menu listener
+     */
+    private class ContextMenuBuilder implements View.OnCreateContextMenuListener {
+
+        private static final int MENU_OPEN = Menu.FIRST;
+        private static final int MENU_EDIT = MENU_OPEN + 1;
+        private static final int MENU_DELETE = MENU_EDIT + 1;
+
+        private PwNode node;
+        private NodeMenuListener menuListener;
+
+        ContextMenuBuilder(PwNode node, NodeMenuListener menuListener) {
+            this.menuListener = menuListener;
+            this.node = node;
+        }
+
+        @Override
+        public void onCreateContextMenu(ContextMenu contextMenu, View view, ContextMenu.ContextMenuInfo contextMenuInfo) {
+            MenuItem clearMenu = contextMenu.add(Menu.NONE, MENU_OPEN, Menu.NONE, R.string.menu_open);
+            clearMenu.setOnMenuItemClickListener(mOnMyActionClickListener);
+            if (!App.getDB().readOnly && !node.equals(App.getDB().pm.getRecycleBin())) {
+                // TODO make edit for group
+                // clearMenu = contextMenu.add(Menu.NONE, MENU_EDIT, Menu.NONE, R.string.menu_edit);
+                // clearMenu.setOnMenuItemClickListener(mOnMyActionClickListener);
+                clearMenu = contextMenu.add(Menu.NONE, MENU_DELETE, Menu.NONE, R.string.menu_delete);
+                clearMenu.setOnMenuItemClickListener(mOnMyActionClickListener);
+            }
+        }
+
+        private MenuItem.OnMenuItemClickListener mOnMyActionClickListener = new MenuItem.OnMenuItemClickListener() {
+            @Override
+            public boolean onMenuItemClick(MenuItem item) {
+                if (menuListener == null)
+                    return false;
+                switch ( item.getItemId() ) {
+                    case MENU_OPEN:
+                        return menuListener.onOpenMenuClick(node);
+                    case MENU_EDIT:
+                        return menuListener.onEditMenuClick(node);
+                    case MENU_DELETE:
+                        return menuListener.onDeleteMenuClick(node);
+                    default:
+                        return false;
+                }
+            }
+        };
+    }
+}

app/src/main/java/com/keepassdroid/app/App.java

@@ -19,18 +19,19 @@
  */
 package com.keepassdroid.app;
 
-import android.app.Application;
+import android.support.multidex.MultiDexApplication;
 
-import com.keepassdroid.Database;
 import com.keepassdroid.compat.PRNGFixes;
+import com.keepassdroid.database.Database;
 import com.keepassdroid.fileselect.RecentFileHistory;
 import com.keepassdroid.stylish.Stylish;
 
 import java.util.Calendar;
 
-public class App extends Application {
+public class App extends MultiDexApplication {
 	private static Database db = null;
 	private static boolean shutdown = false;
+	private static CharSequence mMessage = "";
 	private static Calendar calendar = null;
 	private static RecentFileHistory fileHistory = null;
 	
@@ -38,7 +39,6 @@ public class App extends Application {
 		if ( db == null ) {
 			db = new Database();
 		}
-		
 		return db;
 	}
 	
@@ -56,17 +56,27 @@ public class App extends Application {
 	
 	public static void setShutdown() {
 		shutdown = true;
+		mMessage = "";
+	}
+
+	public static void setShutdown(CharSequence message) {
+		shutdown = true;
+		mMessage = message;
+	}
+
+	public static CharSequence getMessage() {
+		return mMessage;
 	}
 	
 	public static void clearShutdown() {
 		shutdown = false;
+		mMessage = "";
 	}
 	
 	public static Calendar getCalendar() {
 		if ( calendar == null ) {
 			calendar = Calendar.getInstance();
 		}
-		
 		return calendar;
 	}
 
@@ -75,9 +85,7 @@ public class App extends Application {
 		super.onCreate();
 
 		Stylish.init(this);
-
 		fileHistory = new RecentFileHistory(this);
-		
 		PRNGFixes.apply();
 	}
 
@@ -86,7 +94,6 @@ public class App extends Application {
 		if ( db != null ) {
 			db.clear();
 		}
-		
 		super.onTerminate();
 	}
 }

app/src/main/java/com/keepassdroid/autofill/AutoFillAuthActivity.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright 2017 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 2 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.keepassdroid.autofill;
+
+import android.app.PendingIntent;
+import android.app.assist.AssistStructure;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentSender;
+import android.os.Build;
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.support.annotation.RequiresApi;
+
+import com.keepassdroid.fileselect.FileSelectActivity;
+import com.kunzisoft.keepass.KeePass;
+
+@RequiresApi(api = Build.VERSION_CODES.O)
+public class AutoFillAuthActivity extends KeePass {
+
+    private AutofillHelper autofillHelper;
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        autofillHelper = new AutofillHelper();
+        super.onCreate(savedInstanceState);
+    }
+
+    public static IntentSender getAuthIntentSenderForResponse(Context context) {
+        final Intent intent = new Intent(context, AutoFillAuthActivity.class);
+        return PendingIntent.getActivity(context, 0,
+                intent, PendingIntent.FLAG_CANCEL_CURRENT).getIntentSender();
+    }
+
+    @Override
+    protected void startFileSelectActivity() {
+        // Pass extra for Autofill (EXTRA_ASSIST_STRUCTURE)
+        AssistStructure assistStructure = autofillHelper.retrieveAssistStructure(getIntent());
+        if (assistStructure != null) {
+            FileSelectActivity.launch(this, assistStructure);
+        } else {
+            setResult(RESULT_CANCELED);
+            finish();
+        }
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        AutofillHelper.onActivityResultSetResultAndFinish(this, requestCode, resultCode, data);
+    }
+}

app/src/main/java/com/keepassdroid/autofill/AutofillHelper.java

@@ -0,0 +1,174 @@
+/*
+ * 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 2 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.keepassdroid.autofill;
+
+import android.app.Activity;
+import android.app.assist.AssistStructure;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Build;
+import android.service.autofill.Dataset;
+import android.service.autofill.FillResponse;
+import android.support.annotation.Nullable;
+import android.support.annotation.RequiresApi;
+import android.util.Log;
+import android.view.autofill.AutofillId;
+import android.view.autofill.AutofillManager;
+import android.view.autofill.AutofillValue;
+import android.widget.RemoteViews;
+
+import com.keepassdroid.database.PwEntry;
+import com.kunzisoft.keepass.R;
+
+import java.util.ArrayList;
+import java.util.List;
+
+
+@RequiresApi(api = Build.VERSION_CODES.O)
+public class AutofillHelper {
+
+    public static final int AUTOFILL_RESPONSE_REQUEST_CODE = 8165;
+
+    private AssistStructure assistStructure = null;
+
+    public AssistStructure retrieveAssistStructure(Intent intent) {
+        if (intent != null && intent.getExtras() != null) {
+            assistStructure = intent.getParcelableExtra(android.view.autofill.AutofillManager.EXTRA_ASSIST_STRUCTURE);
+        }
+        return assistStructure;
+    }
+
+    /**
+     * Call retrieveAssistStructure before
+     */
+    public AssistStructure getAssistStructure() {
+        return assistStructure;
+    }
+
+    public static void addAssistStructureExtraInIntent(Intent intent, AssistStructure assistStructure) {
+        if (assistStructure != null) {
+            intent.putExtra(android.view.autofill.AutofillManager.EXTRA_ASSIST_STRUCTURE, assistStructure);
+        }
+    }
+
+    /**
+     * Define if android.view.autofill.AutofillManager.EXTRA_ASSIST_STRUCTURE is an extra bundle key present in the Intent
+     */
+    public static boolean isIntentContainsExtraAssistStructureKey(Intent intent) {
+        return (intent != null
+                && intent.getExtras() != null
+                && intent.getExtras().containsKey(android.view.autofill.AutofillManager.EXTRA_ASSIST_STRUCTURE));
+    }
+
+    private @Nullable Dataset buildDataset(Context context, PwEntry entry,
+                         StructureParser.Result struct) {
+        String title = makeEntryTitle(entry);
+        RemoteViews views = newRemoteViews(context.getPackageName(), title);
+        Dataset.Builder builder = new Dataset.Builder(views);
+        builder.setId(entry.getUUID().toString());
+
+        if (entry.getPassword() != null) {
+            AutofillValue value = AutofillValue.forText(entry.getPassword());
+            struct.password.forEach(id -> builder.setValue(id, value));
+        }
+        if (entry.getUsername() != null) {
+            AutofillValue value = AutofillValue.forText(entry.getUsername());
+            List<AutofillId> ids = new ArrayList<>(struct.username);
+            if (entry.getUsername().contains("@") || struct.username.isEmpty())
+                ids.addAll(struct.email);
+            ids.forEach(id -> builder.setValue(id, value));
+        }
+        try {
+            return builder.build();
+        } catch (IllegalArgumentException e) {
+            // if not value be set
+            return null;
+        }
+    }
+
+    static private String makeEntryTitle(PwEntry entry) {
+        if (!entry.getTitle().isEmpty() && !entry.getUsername().isEmpty())
+            return String.format("%s (%s)", entry.getTitle(), entry.getUsername());
+        if (!entry.getTitle().isEmpty())
+            return entry.getTitle();
+        if (!entry.getUsername().isEmpty())
+            return entry.getUsername();
+        if (!entry.getNotes().isEmpty())
+            return entry.getNotes().trim();
+        return ""; // TODO No title
+    }
+
+    /**
+     * Method to hit when right key is selected
+     */
+    public void buildResponseWhenEntrySelected(Activity activity, PwEntry entry) {
+        Intent mReplyIntent;
+        Intent intent = activity.getIntent();
+        if (isIntentContainsExtraAssistStructureKey(intent)) {
+            AssistStructure structure = intent.getParcelableExtra(android.view.autofill.AutofillManager.EXTRA_ASSIST_STRUCTURE);
+            StructureParser.Result result = new StructureParser(structure).parse();
+
+            // New Response
+            FillResponse.Builder responseBuilder = new FillResponse.Builder();
+            Dataset dataset = buildDataset(activity, entry, result);
+            responseBuilder.addDataset(dataset);
+            mReplyIntent = new Intent();
+            Log.d(activity.getClass().getName(), "Successed Autofill auth.");
+            mReplyIntent.putExtra(
+                    AutofillManager.EXTRA_AUTHENTICATION_RESULT,
+                    responseBuilder.build());
+            activity.setResult(Activity.RESULT_OK, mReplyIntent);
+        } else {
+            Log.w(activity.getClass().getName(), "Failed Autofill auth.");
+            activity.setResult(Activity.RESULT_CANCELED);
+        }
+    }
+
+    /**
+     * Utility method to loop and close each activity with return data
+     */
+    public static void onActivityResultSetResult(Activity activity, int requestCode, int resultCode, Intent data) {
+        if (requestCode == AUTOFILL_RESPONSE_REQUEST_CODE) {
+            if (resultCode == Activity.RESULT_OK) {
+                activity.setResult(resultCode, data);
+            }
+            if (resultCode == Activity.RESULT_CANCELED) {
+                activity.setResult(Activity.RESULT_CANCELED);
+            }
+        }
+    }
+
+    /**
+     * Utility method to loop and close each activity with return data
+     */
+    public static void onActivityResultSetResultAndFinish(Activity activity, int requestCode, int resultCode, Intent data) {
+        if (requestCode == AUTOFILL_RESPONSE_REQUEST_CODE) {
+            onActivityResultSetResult(activity, requestCode, resultCode, data);
+            activity.finish();
+        }
+    }
+
+    private static RemoteViews newRemoteViews(String packageName, String remoteViewsText) {
+        RemoteViews presentation =
+                new RemoteViews(packageName, R.layout.autofill_service_list_item);
+        presentation.setTextViewText(R.id.text, remoteViewsText);
+        return presentation;
+    }
+}

app/src/main/java/com/keepassdroid/autofill/KeeAutofillService.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright 2017 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 2 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.keepassdroid.autofill;
+
+import android.app.assist.AssistStructure;
+import android.content.IntentSender;
+import android.os.Build;
+import android.os.CancellationSignal;
+import android.service.autofill.AutofillService;
+import android.service.autofill.FillCallback;
+import android.service.autofill.FillContext;
+import android.service.autofill.FillRequest;
+import android.service.autofill.FillResponse;
+import android.service.autofill.SaveCallback;
+import android.service.autofill.SaveRequest;
+import android.support.annotation.NonNull;
+import android.support.annotation.RequiresApi;
+import android.util.Log;
+import android.view.autofill.AutofillId;
+import android.widget.RemoteViews;
+
+import com.kunzisoft.keepass.R;
+
+import java.util.Arrays;
+import java.util.List;
+
+@RequiresApi(api = Build.VERSION_CODES.O)
+public class KeeAutofillService extends AutofillService {
+    private static final String TAG = "KeeAutofillService";
+
+    @Override
+    public void onFillRequest(@NonNull FillRequest request, @NonNull CancellationSignal cancellationSignal,
+                              @NonNull FillCallback callback) {
+        List<FillContext> fillContexts = request.getFillContexts();
+        AssistStructure latestStructure = fillContexts.get(fillContexts.size() - 1).getStructure();
+
+        cancellationSignal.setOnCancelListener(() ->
+                Log.e(TAG, "Cancel autofill not implemented in this sample.")
+        );
+
+        FillResponse.Builder responseBuilder = new FillResponse.Builder();
+        // Check user's settings for authenticating Responses and Datasets.
+        StructureParser.Result parseResult = new StructureParser(latestStructure).parse();
+        AutofillId[] autofillIds = parseResult.allAutofillIds();
+        if (!Arrays.asList(autofillIds).isEmpty()) {
+            // If the entire Autofill Response is authenticated, AuthActivity is used
+            // to generate Response.
+            IntentSender sender = AutoFillAuthActivity.getAuthIntentSenderForResponse(this);
+            RemoteViews presentation = new RemoteViews(getPackageName(), R.layout.autofill_service_unlock);
+            responseBuilder.setAuthentication(autofillIds, sender, presentation);
+            callback.onSuccess(responseBuilder.build());
+        }
+    }
+
+    @Override
+    public void onSaveRequest(@NonNull SaveRequest request, @NonNull SaveCallback callback) {
+        // TODO Save autofill
+        //callback.onFailure(getString(R.string.autofill_not_support_save));
+    }
+
+    @Override
+    public void onConnected() {
+        Log.d(TAG, "onConnected");
+    }
+
+    @Override
+    public void onDisconnected() {
+        Log.d(TAG, "onDisconnected");
+    }
+}

app/src/main/java/com/keepassdroid/autofill/StructureParser.java

@@ -0,0 +1,115 @@
+/*
+ * Copyright 2018 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 2 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.keepassdroid.autofill;
+
+import android.app.assist.AssistStructure;
+import android.os.Build;
+import android.support.annotation.RequiresApi;
+import android.text.InputType;
+import android.util.Log;
+import android.view.View;
+import android.view.autofill.AutofillId;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+
+/**
+ * Parse AssistStructure and guess username and password fields.
+ */
+@RequiresApi(api = Build.VERSION_CODES.O)
+class StructureParser {
+    static private final String TAG = StructureParser.class.getName();
+
+    final private AssistStructure structure;
+    private Result result;
+    private AutofillId usernameCandidate;
+
+    StructureParser(AssistStructure structure) {
+        this.structure = structure;
+    }
+
+    Result parse() {
+        result = new Result();
+        usernameCandidate = null;
+        for (int i=0; i<structure.getWindowNodeCount(); ++i) {
+            AssistStructure.WindowNode windowNode = structure.getWindowNodeAt(i);
+            result.title.add(windowNode.getTitle());
+            result.webDomain.add(windowNode.getRootViewNode().getWebDomain());
+            parseViewNode(windowNode.getRootViewNode());
+        }
+        // If not explicit username field found, add the field just before password field.
+        if (result.username.isEmpty() && result.email.isEmpty()
+                && !result.password.isEmpty() && usernameCandidate != null)
+            result.username.add(usernameCandidate);
+        return result;
+    }
+
+    private void parseViewNode(AssistStructure.ViewNode node) {
+        String[] hints = node.getAutofillHints();
+        if (hints != null && hints.length > 0) {
+            if (Arrays.stream(hints).anyMatch(View.AUTOFILL_HINT_USERNAME::equals))
+                result.username.add(node.getAutofillId());
+            else if (Arrays.stream(hints).anyMatch(View.AUTOFILL_HINT_EMAIL_ADDRESS::equals))
+                result.email.add(node.getAutofillId());
+            else if (Arrays.stream(hints).anyMatch(View.AUTOFILL_HINT_PASSWORD::equals))
+                result.password.add(node.getAutofillId());
+            else
+                Log.d(TAG, "unsupported hints");
+        } else if (node.getAutofillType() == View.AUTOFILL_TYPE_TEXT) {
+            int inputType = node.getInputType();
+            if ((inputType & InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS) > 0)
+                result.email.add(node.getAutofillId());
+            else if ((inputType & InputType.TYPE_TEXT_VARIATION_PASSWORD) > 0)
+                result.password.add(node.getAutofillId());
+            else if (result.password.isEmpty())
+                usernameCandidate = node.getAutofillId();
+        }
+
+        for (int i=0; i<node.getChildCount(); ++i)
+            parseViewNode(node.getChildAt(i));
+    }
+
+    @RequiresApi(api = Build.VERSION_CODES.O)
+    static class Result {
+        final List<CharSequence> title;
+        final List<String> webDomain;
+        final List<AutofillId> username;
+        final List<AutofillId> email;
+        final List<AutofillId> password;
+
+        private Result() {
+            title = new ArrayList<>();
+            webDomain = new ArrayList<>();
+            username = new ArrayList<>();
+            email = new ArrayList<>();
+            password = new ArrayList<>();
+        }
+
+        AutofillId[] allAutofillIds() {
+            ArrayList<AutofillId> all = new ArrayList<>();
+            all.addAll(username);
+            all.addAll(email);
+            all.addAll(password);
+            return all.toArray(new AutofillId[0]);
+        }
+    }
+}

app/src/main/java/com/keepassdroid/compat/ActivityCompat.java

@@ -1,47 +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 2 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.keepassdroid.compat;
-
-import java.lang.reflect.Method;
-
-import android.app.Activity;
-
-public class ActivityCompat {
-	private static Method invalidateOptMenu;
-	
-	static {
-		try {
-			invalidateOptMenu = Activity.class.getMethod("invalidateOptionsMenu", (Class<Activity>[]) null);
-		} catch (Exception e) {
-			// Do nothing if method dosen't exist
-		}
-	}
-	
-	public static void invalidateOptionsMenu(Activity act) {
-		if (invalidateOptMenu != null) {
-			try {
-				invalidateOptMenu.invoke(act, (Object[]) null);
-			} catch (Exception e) {
-				// Do nothing
-			}
-		}
-	}
-
-}

app/src/main/java/com/keepassdroid/compat/KeyGenParameterSpecCompat.java

@@ -0,0 +1,72 @@
+/*
+ * Copyright 2017 Brian Pellin.
+ *
+ * This file is part of KeePassDroid.
+ *
+ *  KeePassDroid 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 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  KeePassDroid 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 KeePassDroid.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.keepassdroid.compat;
+
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Method;
+import java.security.spec.AlgorithmParameterSpec;
+
+public class KeyGenParameterSpecCompat {
+    private static Class builder;
+    private static Constructor buildConst;
+    private static Method builderBuild;
+    private static Method setBlockModes;
+    private static Method setUserAuthReq;
+    private static Method setEncPad;
+
+    private static boolean available;
+
+    static {
+        try {
+            builder = Class.forName("android.security.keystore.KeyGenParameterSpec$Builder");
+            buildConst = builder.getConstructor(String.class, int.class);
+            builderBuild = builder.getMethod("build", (Class [])null);
+            setBlockModes = builder.getMethod("setBlockModes", String[].class);
+            setUserAuthReq = builder.getMethod("setUserAuthenticationRequired", new Class []{boolean.class});
+            setEncPad = builder.getMethod("setEncryptionPaddings", String[].class);
+
+
+            available = true;
+        } catch (Exception e) {
+            available = false;
+        }
+    }
+
+    public static AlgorithmParameterSpec build(String keystoreAlias, int purpose, String blockMode,
+                                        boolean userAuthReq, String encPadding) {
+
+        if (!available) {
+            return null;
+        }
+
+        try {
+            Object inst = buildConst.newInstance(keystoreAlias, purpose);
+            inst = setBlockModes.invoke(inst, new Object[] {new String[] {blockMode}});
+            inst = setUserAuthReq.invoke(inst, userAuthReq);
+            inst = setEncPad.invoke(inst, new Object[] {new String[] {encPadding}});
+
+            return (AlgorithmParameterSpec) builderBuild.invoke(inst, null);
+
+        } catch (Exception e) {
+            return null;
+        }
+    }
+}

app/src/main/java/com/keepassdroid/compat/KeyguardManagerCompat.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright 2017 Brian Pellin.
+ *
+ * This file is part of KeePassDroid.
+ *
+ *  KeePassDroid 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 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  KeePassDroid 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 KeePassDroid.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.keepassdroid.compat;
+
+import android.app.KeyguardManager;
+
+import java.lang.reflect.Method;
+
+public class KeyguardManagerCompat {
+    private static Method isKeyguardSecure;
+
+    private static boolean available;
+
+    static {
+        try {
+            isKeyguardSecure = KeyguardManager.class.getMethod("isKeyguardSecure", (Class[]) null);
+
+            available = true;
+        } catch (Exception e) {
+            available = false;
+        }
+    }
+
+    public static boolean isKeyguardSecure(KeyguardManager inst) {
+        if (!available) {
+            return false;
+        }
+
+        try {
+            return (boolean) isKeyguardSecure.invoke(inst, null);
+
+        } catch (Exception e) {
+            return false;
+        }
+    }
+}

app/src/main/java/com/keepassdroid/compat/StorageAF.java

@@ -51,6 +51,6 @@ public class StorageAF {
         if (!supportsStorageFramework()) { return false; }
 
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(ctx);
-        return prefs.getBoolean(ctx.getString(R.string.saf_key), ctx.getResources().getBoolean(R.bool.saf_default));
+        return prefs.getBoolean(ctx.getString(R.string.saf_key), ctx.getResources().getBoolean(R.bool.settings_saf_default));
     }
 }

app/src/main/java/com/keepassdroid/database/AutoType.java

@@ -0,0 +1,37 @@
+package com.keepassdroid.database;
+
+import java.io.Serializable;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+public class AutoType implements Cloneable, Serializable {
+    private static final long OBF_OPT_NONE = 0;
+
+    public boolean enabled = true;
+    public long obfuscationOptions = OBF_OPT_NONE;
+    public String defaultSequence = "";
+
+    private HashMap<String, String> windowSeqPairs = new HashMap<>();
+
+    @SuppressWarnings("unchecked")
+    public AutoType clone() {
+        AutoType auto;
+        try {
+            auto = (AutoType) super.clone();
+        } catch (CloneNotSupportedException e) {
+            throw new RuntimeException(e);
+        }
+        auto.windowSeqPairs = (HashMap<String, String>) windowSeqPairs.clone();
+        return auto;
+    }
+
+    public void put(String key, String value) {
+        windowSeqPairs.put(key, value);
+    }
+
+    public Set<Map.Entry<String, String>> entrySet() {
+        return windowSeqPairs.entrySet();
+    }
+
+}

app/src/main/java/com/keepassdroid/database/BinaryPool.java

@@ -19,6 +19,7 @@
  */
 package com.keepassdroid.database;
 
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Map.Entry;
@@ -27,7 +28,7 @@ import java.util.Set;
 import com.keepassdroid.database.security.ProtectedBinary;
 
 public class BinaryPool {
-	private HashMap<Integer, ProtectedBinary> pool = new HashMap<Integer, ProtectedBinary>();
+	private HashMap<Integer, ProtectedBinary> pool = new HashMap<>();
 	
 	public BinaryPool() {
 		
@@ -49,17 +50,23 @@ public class BinaryPool {
 	public Set<Entry<Integer, ProtectedBinary>> entrySet() {
 		return pool.entrySet();
 	}
+
+	public void clear() {
+		pool.clear();
+	}
+
+	public Collection<ProtectedBinary> binaries() {
+		return pool.values();
+	}
 	
 	private class AddBinaries extends EntryHandler<PwEntryV4> {
 
 		@Override
 		public boolean operate(PwEntryV4 entry) {
-			for (PwEntryV4 histEntry : entry.history) {
-				poolAdd(histEntry.binaries);
-				
+			for (PwEntryV4 histEntry : entry.getHistory()) {
+				poolAdd(histEntry.getBinaries());
 			}
-			
-			poolAdd(entry.binaries);
+			poolAdd(entry.getBinaries());
 			return true;
 		}
 		
@@ -72,7 +79,7 @@ public class BinaryPool {
 		
 	}
 	
-	private void poolAdd(ProtectedBinary pb) {
+	public void poolAdd(ProtectedBinary pb) {
 		assert(pb != null);
 		
 		if (poolFind(pb) != -1) return;

app/src/main/java/com/keepassdroid/database/Database.java

@@ -17,43 +17,40 @@
  *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package com.keepassdroid;
+package com.keepassdroid.database;
 
-import java.io.BufferedInputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.SyncFailedException;
-import java.util.HashSet;
-import java.util.Set;
-
-import android.content.ContentResolver;
 import android.content.Context;
+import android.content.SharedPreferences;
 import android.net.Uri;
+import android.preference.PreferenceManager;
 import android.util.Log;
 
-import com.keepassdroid.database.PwDatabase;
-import com.keepassdroid.database.PwDatabaseV3;
-import com.keepassdroid.database.PwGroup;
 import com.keepassdroid.database.exception.ContentFileNotFoundException;
 import com.keepassdroid.database.exception.InvalidDBException;
+import com.keepassdroid.database.exception.InvalidPasswordException;
 import com.keepassdroid.database.exception.PwDbOutputException;
 import com.keepassdroid.database.load.Importer;
 import com.keepassdroid.database.load.ImporterFactory;
 import com.keepassdroid.database.save.PwDbOutput;
 import com.keepassdroid.icons.DrawableFactory;
 import com.keepassdroid.search.SearchDbHelper;
+import com.keepassdroid.tasks.UpdateStatus;
 import com.keepassdroid.utils.UriUtil;
+import com.kunzisoft.keepass.R;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.SyncFailedException;
 
 /**
  * @author bpellin
  */
 public class Database {
-    public Set<PwGroup> dirty = new HashSet<PwGroup>();
     public PwDatabase pm;
     public Uri mUri;
     public SearchDbHelper searchHelper;
@@ -92,6 +89,26 @@ public class Database {
             readOnly = !file.canWrite();
         }
 
+        try {
+            passUrisAsInputStreams(ctx, uri, password, keyfile, status, debug, 0);
+        } catch (InvalidPasswordException e) {
+            // Retry with rounds fix
+            try {
+                passUrisAsInputStreams(ctx, uri, password, keyfile, status, debug, getFixRounds(ctx));
+            } catch (Exception e2) {
+                // Rethrow original exception
+                throw e;
+            }
+        }
+    }
+
+    private long getFixRounds(Context ctx) {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(ctx);
+        return prefs.getLong(ctx.getString(R.string.roundsFix_key), ctx.getResources().getInteger(R.integer.roundsFix_default));
+    }
+
+
+    private void passUrisAsInputStreams(Context ctx, Uri uri, String password, Uri keyfile, UpdateStatus status, boolean debug, long roundsFix) throws IOException, FileNotFoundException, InvalidDBException {
         InputStream is, kfIs;
         try {
             is = UriUtil.getUriInputStream(ctx, uri);
@@ -106,7 +123,7 @@ public class Database {
             Log.e("KPD", "Database::LoadData", e);
             throw ContentFileNotFoundException.getInstance(keyfile);
         }
-        LoadData(ctx, is, password, kfIs, status, debug);
+        LoadData(ctx, is, password, kfIs, status, debug, roundsFix);
     }
 
     public void LoadData(Context ctx, InputStream is, String password, InputStream kfIs, boolean debug) throws IOException, InvalidDBException {
@@ -114,6 +131,10 @@ public class Database {
     }
 
     public void LoadData(Context ctx, InputStream is, String password, InputStream kfIs, UpdateStatus status, boolean debug) throws IOException, InvalidDBException {
+        LoadData(ctx, is, password, kfIs, status, debug, 0);
+    }
+
+    public void LoadData(Context ctx, InputStream is, String password, InputStream kfIs, UpdateStatus status, boolean debug, long roundsFix) throws IOException, InvalidDBException {
         BufferedInputStream bis = new BufferedInputStream(is);
 
         if ( ! bis.markSupported() ) {
@@ -127,7 +148,7 @@ public class Database {
 
         bis.reset();  // Return to the start
 
-        pm = imp.openDatabase(bis, password, kfIs, status);
+        pm = imp.openDatabase(bis, password, kfIs, status, roundsFix);
         if ( pm != null ) {
             PwGroup root = pm.rootGroup;
             pm.populateGlobals(root);
@@ -196,7 +217,6 @@ public class Database {
     }
 
     public void clear() {
-        dirty.clear();
         drawFactory.clear();
 
         pm = null;
@@ -204,16 +224,4 @@ public class Database {
         loaded = false;
         passwordEncodingError = false;
     }
-
-    public void markAllGroupsAsDirty() {
-        for ( PwGroup group : pm.getGroups() ) {
-            dirty.add(group);
-        }
-
-        // TODO: This should probably be abstracted out
-        // The root tree in v3 is not an 'official' tree
-        if ( pm instanceof PwDatabaseV3 ) {
-            dirty.add(pm.rootGroup);
-        }
-    }
 }

app/src/main/java/com/keepassdroid/database/EntrySearchHandler.java

@@ -52,7 +52,7 @@ public abstract class EntrySearchHandler extends EntryHandler<PwEntry> {
 			return true;
 		}
 		
-		if (sp.excludeExpired && entry.expires() && now.after(entry.getExpiryTime())) {
+		if (sp.excludeExpired && entry.expires() && now.after(entry.getExpiryTime().getDate())) {
 			return true;
 		}
 		

app/src/main/java/com/keepassdroid/database/EntrySearchHandlerAll.java

@@ -39,7 +39,7 @@ public class EntrySearchHandlerAll extends EntryHandler<PwEntry> {
 			return true;
 		}
 		
-		if (sp.excludeExpired && entry.expires() && now.after(entry.getExpiryTime())) {
+		if (sp.excludeExpired && entry.expires() && now.after(entry.getExpiryTime().getDate())) {
 			return true;
 		}
 		

app/src/main/java/com/keepassdroid/database/EntrySearchHandlerV4.java

@@ -37,7 +37,7 @@ public class EntrySearchHandlerV4 extends EntrySearchHandler {
 	protected boolean searchID(PwEntry e) {
 		PwEntryV4 entry = (PwEntryV4) e;
 		if (sp.searchInUUIDs) {
-			String hex = UuidUtil.toHexString(entry.uuid);
+			String hex = UuidUtil.toHexString(entry.getUUID());
 			return StrUtil.indexOfIgnoreCase(hex, sp.searchString, Locale.ENGLISH) >= 0;
 		}
 		

app/src/main/java/com/keepassdroid/database/ISmallTimeLogger.java

@@ -0,0 +1,19 @@
+package com.keepassdroid.database;
+
+public interface ISmallTimeLogger {
+
+    PwDate getLastModificationTime();
+    void setLastModificationTime(PwDate date);
+
+    PwDate getCreationTime();
+    void setCreationTime(PwDate date);
+
+    PwDate getLastAccessTime();
+    void setLastAccessTime(PwDate date);
+
+    PwDate getExpiryTime();
+    void setExpiryTime(PwDate date);
+
+    boolean expires();
+    void setExpires(boolean exp);
+}

app/src/main/java/com/keepassdroid/database/ITimeLogger.java

@@ -19,28 +19,12 @@
  */
 package com.keepassdroid.database;
 
-import java.util.Date;
+public interface ITimeLogger extends ISmallTimeLogger {
 
-public interface ITimeLogger {
-	Date getLastModificationTime();
-	void setLastModificationTime(Date date);
-	
-	Date getCreationTime();
-	void setCreationTime(Date date);
-	
-	Date getLastAccessTime();
-	void setLastAccessTime(Date date);
-	
-	Date getExpiryTime();
-	void setExpiryTime(Date date);
-	
-	boolean expires();
-	void setExpires(boolean exp);
-	
 	long getUsageCount();
 	void setUsageCount(long count);
-	
-	Date getLocationChanged();
-	void setLocationChanged(Date date);
+
+	PwDate getLocationChanged();
+	void setLocationChanged(PwDate date);
 
 }

app/src/main/java/com/keepassdroid/database/PwDatabase.java

@@ -19,12 +19,8 @@
  */
 package com.keepassdroid.database;
 
-import java.io.BufferedInputStream;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.UnsupportedEncodingException;
@@ -36,8 +32,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.UUID;
 
-import android.os.DropBoxManager.Entry;
-
 import com.keepassdroid.crypto.finalkey.FinalKey;
 import com.keepassdroid.crypto.finalkey.FinalKeyFactory;
 import com.keepassdroid.database.exception.InvalidKeyFileException;
@@ -47,13 +41,14 @@ import com.keepassdroid.utils.Util;
 
 public abstract class PwDatabase {
 
+    public static final UUID UUID_ZERO = new UUID(0,0);
     public byte masterKey[] = new byte[32];
     public byte[] finalKey;
     public String name = "KeePass database";
     public PwGroup rootGroup;
     public PwIconFactory iconFactory = new PwIconFactory();
-    public Map<PwGroupId, PwGroup> groups = new HashMap<PwGroupId, PwGroup>();
-    public Map<UUID, PwEntry> entries = new HashMap<UUID, PwEntry>();
+    public Map<PwGroupId, PwGroup> groups = new HashMap<>();
+    public Map<UUID, PwEntry> entries = new HashMap<>();
 
 
     private static boolean isKDBExtension(String filename) {
@@ -252,7 +247,7 @@ public abstract class PwDatabase {
 
     public abstract void setNumRounds(long rounds) throws NumberFormatException;
 
-    public abstract boolean appSettingsEnabled();
+    public abstract boolean algorithmSettingsEnabled();
 
     public abstract PwEncryptionAlgorithm getEncAlgorithm();
 
@@ -262,7 +257,7 @@ public abstract class PwDatabase {
             parent = rootGroup;
         }
 
-        parent.childGroups.add(newGroup);
+        parent.addChildGroup(newGroup);
         newGroup.setParent(parent);
         groups.put(newGroup.getId(), newGroup);
 
@@ -271,15 +266,16 @@ public abstract class PwDatabase {
 
     public void removeGroupFrom(PwGroup remove, PwGroup parent) {
         // Remove tree from parent tree
-        parent.childGroups.remove(remove);
-
+        if (parent != null) {
+            parent.removeChildGroup(remove);
+        }
         groups.remove(remove.getId());
     }
 
     public void addEntryTo(PwEntry newEntry, PwGroup parent) {
         // Add entry to parent
         if (parent != null) {
-            parent.childEntries.add(newEntry);
+            parent.addChildEntry(newEntry);
         }
         newEntry.setParent(parent);
 
@@ -289,7 +285,7 @@ public abstract class PwDatabase {
     public void removeEntryFrom(PwEntry remove, PwGroup parent) {
         // Remove entry for parent
         if (parent != null) {
-            parent.childEntries.remove(remove);
+            parent.removeChildEntry(remove);
         }
         entries.remove(remove.getUUID());
     }
@@ -322,8 +318,8 @@ public abstract class PwDatabase {
 
     public void populateGlobals(PwGroup currentGroup) {
 
-        List<PwGroup> childGroups = currentGroup.childGroups;
-        List<PwEntry> childEntries = currentGroup.childEntries;
+        List<PwGroup> childGroups = currentGroup.getChildGroups();
+        List<PwEntry> childEntries = currentGroup.getChildEntries();
 
         for (int i = 0; i < childEntries.size(); i++ ) {
             PwEntry cur = childEntries.get(i);
@@ -337,28 +333,73 @@ public abstract class PwDatabase {
         }
     }
 
+    /**
+     * Determine if RecycleBin is available or not for this version of database
+     * @return true if RecycleBin enable
+     */
+    public boolean isRecycleBinAvailable() {
+        return false;
+    }
+
+    /**
+     * Determine if RecycleBin is enable or not
+     * @return true if RecycleBin enable, false if is not available or not enable
+     */
+    public boolean isRecycleBinEnable() {
+        return false;
+    }
+
+    /**
+     * Define if a Group must be delete or recycle
+     * @param group Group to remove
+     * @return true if group can be recycle, false elsewhere
+     */
     public boolean canRecycle(PwGroup group) {
         return false;
     }
 
+    /**
+     * Define if an Entry must be delete or recycle
+     * @param entry Entry to remove
+     * @return true if entry can be recycle, false elsewhere
+     */
     public boolean canRecycle(PwEntry entry) {
         return false;
     }
 
+    public void recycle(PwGroup group) {
+        // Assume calls to this are protected by calling inRecyleBin
+        throw new RuntimeException("Call not valid for .kdb databases.");
+    }
+
     public void recycle(PwEntry entry) {
         // Assume calls to this are protected by calling inRecyleBin
         throw new RuntimeException("Call not valid for .kdb databases.");
     }
 
+    public void undoRecycle(PwGroup group, PwGroup origParent) {
+        throw new RuntimeException("Call not valid for .kdb databases.");
+    }
+
     public void undoRecycle(PwEntry entry, PwGroup origParent) {
         throw new RuntimeException("Call not valid for .kdb databases.");
     }
 
+    public void deleteGroup(PwGroup group) {
+        PwGroup parent = group.getParent();
+        removeGroupFrom(group, parent);
+        parent.touch(false, true);
+    }
+
     public void deleteEntry(PwEntry entry) {
         PwGroup parent = entry.getParent();
         removeEntryFrom(entry, parent);
         parent.touch(false, true);
+    }
 
+    // TODO Delete group
+    public void undoDeleteGroup(PwGroup group, PwGroup origParent) {
+        addGroupTo(group, origParent);
     }
 
     public void undoDeleteEntry(PwEntry entry, PwGroup origParent) {

app/src/main/java/com/keepassdroid/database/PwDatabaseV3.java

@@ -51,7 +51,6 @@ import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Random;
-import java.util.UUID;
 
 import com.keepassdroid.database.exception.InvalidKeyFileException;
 
@@ -70,13 +69,13 @@ public class PwDatabaseV3 extends PwDatabase {
 	public PwEntry metaInfo;
 
 	// all entries
-	public List<PwEntry> entries = new ArrayList<PwEntry>();
+	public List<PwEntry> entries = new ArrayList<>();
 	// all groups
-	public List<PwGroup> groups = new ArrayList<PwGroup>();
+	public List<PwGroup> groups = new ArrayList<>();
 	// Algorithm used to encrypt the database
 	public PwEncryptionAlgorithm algorithm;
 	public int numKeyEncRounds;
-	
+
 	@Override
 	public PwEncryptionAlgorithm getEncAlgorithm() {
 		return algorithm;
@@ -106,7 +105,7 @@ public class PwDatabaseV3 extends PwDatabase {
 		List<PwGroup> kids = new ArrayList<PwGroup>();
 		for (int i = 0; i < groups.size(); i++) {
 			PwGroupV3 grp = (PwGroupV3) groups.get(i);
-			if (grp.level == target)
+			if (grp.getLevel() == target)
 				kids.add(grp);
 		}
 		return kids;
@@ -115,8 +114,8 @@ public class PwDatabaseV3 extends PwDatabase {
 	public int getRootGroupId() {
 		for (int i = 0; i < groups.size(); i++) {
 			PwGroupV3 grp = (PwGroupV3) groups.get(i);
-			if (grp.level == 0) {
-				return grp.groupId;
+			if (grp.getLevel() == 0) {
+				return grp.getGroupId();
 			}
 		}
 
@@ -125,13 +124,13 @@ public class PwDatabaseV3 extends PwDatabase {
 
 	public List<PwGroup> getGrpChildren(PwGroupV3 parent) {
 		int idx = groups.indexOf(parent);
-		int target = parent.level + 1;
+		int target = parent.getLevel() + 1;
 		List<PwGroup> kids = new ArrayList<PwGroup>();
 		while (++idx < groups.size()) {
 			PwGroupV3 grp = (PwGroupV3) groups.get(idx);
-			if (grp.level < target)
+			if (grp.getLevel() < target)
 				break;
-			else if (grp.level == target)
+			else if (grp.getLevel() == target)
 				kids.add(grp);
 		}
 		return kids;
@@ -146,7 +145,7 @@ public class PwDatabaseV3 extends PwDatabase {
 		 */
 		for (int i = 0; i < entries.size(); i++) {
 			PwEntryV3 ent = (PwEntryV3) entries.get(i);
-			if (ent.groupId == parent.groupId)
+			if (ent.getGroupId() == parent.getGroupId())
 				kids.add(ent);
 		}
 		return kids;
@@ -164,11 +163,11 @@ public class PwDatabaseV3 extends PwDatabase {
 
 			List<PwGroup> rootChildGroups = getGrpRoots();
 			root.setGroups(rootChildGroups);
-			root.childEntries = new ArrayList<PwEntry>();
-			root.level = -1;
+			root.setEntries(new ArrayList<>());
+			root.setLevel(-1);
 			for (int i = 0; i < rootChildGroups.size(); i++) {
 				PwGroupV3 grp = (PwGroupV3) rootChildGroups.get(i);
-				grp.parent = root;
+				grp.setParent(root);
 				constructTree(grp);
 			}
 			return;
@@ -177,18 +176,18 @@ public class PwDatabaseV3 extends PwDatabase {
 		// I'm in non-root
 		// get child groups
 		currentGroup.setGroups(getGrpChildren(currentGroup));
-		currentGroup.childEntries = getEntries(currentGroup);
+		currentGroup.setEntries(getEntries(currentGroup));
 
 		// set parent in child entries
-		for (int i = 0; i < currentGroup.childEntries.size(); i++) {
-			PwEntryV3 entry = (PwEntryV3) currentGroup.childEntries.get(i);
-			entry.parent = currentGroup;
+		for (int i = 0; i < currentGroup.numbersOfChildEntries(); i++) {
+			PwEntryV3 entry = (PwEntryV3) currentGroup.getChildEntryAt(i);
+			entry.setParent(currentGroup);
 		}
 		// recursively construct child groups
-		for (int i = 0; i < currentGroup.childGroups.size(); i++) {
-			PwGroupV3 grp = (PwGroupV3) currentGroup.childGroups.get(i);
-			grp.parent = currentGroup;
-			constructTree((PwGroupV3) currentGroup.childGroups.get(i));
+		for (int i = 0; i < currentGroup.numbersOfChildGroups(); i++) {
+			PwGroupV3 grp = (PwGroupV3) currentGroup.getChildGroupAt(i);
+			grp.setParent(currentGroup);
+			constructTree((PwGroupV3) currentGroup.getChildGroupAt(i));
 		}
 		return;
 	}
@@ -222,18 +221,16 @@ public class PwDatabaseV3 extends PwDatabase {
 
 	public byte[] getMasterKey(String key, InputStream keyInputStream)
 			throws InvalidKeyFileException, IOException {
-		assert (key != null);
 
-		if (key.length() > 0 && keyInputStream != null) {
+	    if (key != null && key.length() > 0 && keyInputStream != null) {
 			return getCompositeKey(key, keyInputStream);
-		} else if (key.length() > 0) {
+		} else if (key != null && key.length() > 0) {
 			return getPasswordKey(key);
 		} else if (keyInputStream != null) {
 			return getFileKey(keyInputStream);
 		} else {
 			throw new IllegalArgumentException("Key cannot be empty.");
 		}
-
 	}
 
 	@Override
@@ -263,7 +260,7 @@ public class PwDatabaseV3 extends PwDatabase {
 	}
 
 	@Override
-	public boolean appSettingsEnabled() {
+	public boolean algorithmSettingsEnabled() {
 		return true;
 	}
 
@@ -319,11 +316,11 @@ public class PwDatabaseV3 extends PwDatabase {
 	public boolean isBackup(PwGroup group) {
 		PwGroupV3 g = (PwGroupV3) group;
 		while (g != null) {
-			if (g.level == 0 && g.name.equalsIgnoreCase("Backup")) {
+			if (g.getLevel() == 0 && g.getName().equalsIgnoreCase("Backup")) {
 				return true;
 			}
 			
-			g = g.parent;
+			g = (PwGroupV3) g.getParent();
 		}
 		
 		return false;
@@ -341,7 +338,7 @@ public class PwDatabaseV3 extends PwDatabase {
 	private void initAndAddGroup(String name, int iconId, PwGroup parent) {
 		PwGroup group = createGroup();
 		group.initNewGroup(name, newGroupId());
-		group.icon = iconFactory.getIcon(iconId);
+		group.setIcon(iconFactory.getIcon(iconId));
 		addGroupTo(group, parent);
 	}
 

app/src/main/java/com/keepassdroid/database/PwDatabaseV4.java

@@ -19,12 +19,29 @@
  */
 package com.keepassdroid.database;
 
-import java.io.FileInputStream;
+import android.webkit.URLUtil;
+
+import com.keepassdroid.collections.VariantDictionary;
+import com.keepassdroid.crypto.CryptoUtil;
+import com.keepassdroid.crypto.engine.AesEngine;
+import com.keepassdroid.crypto.engine.CipherEngine;
+import com.keepassdroid.crypto.keyDerivation.AesKdf;
+import com.keepassdroid.crypto.keyDerivation.KdfEngine;
+import com.keepassdroid.crypto.keyDerivation.KdfFactory;
+import com.keepassdroid.crypto.keyDerivation.KdfParameters;
+import com.keepassdroid.database.exception.InvalidKeyFileException;
+import com.keepassdroid.utils.EmptyUtils;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.w3c.dom.Text;
+
 import java.io.IOException;
 import java.io.InputStream;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
-import java.security.acl.Group;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Date;
@@ -36,34 +53,11 @@ import java.util.UUID;
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 
-import org.spongycastle.crypto.engines.AESEngine;
-import org.w3c.dom.Document;
-import org.w3c.dom.Element;
-import org.w3c.dom.Node;
-import org.w3c.dom.NodeList;
-import org.w3c.dom.Text;
-
-import android.webkit.URLUtil;
 import biz.source_code.base64Coder.Base64Coder;
 
-import com.keepassdroid.collections.VariantDictionary;
-import com.keepassdroid.crypto.CipherFactory;
-import com.keepassdroid.crypto.CryptoUtil;
-import com.keepassdroid.crypto.PwStreamCipherFactory;
-import com.keepassdroid.crypto.engine.AesEngine;
-import com.keepassdroid.crypto.engine.CipherEngine;
-import com.keepassdroid.crypto.keyDerivation.AesKdf;
-import com.keepassdroid.crypto.keyDerivation.KdfEngine;
-import com.keepassdroid.crypto.keyDerivation.KdfFactory;
-import com.keepassdroid.crypto.keyDerivation.KdfParameters;
-import com.keepassdroid.database.exception.InvalidKeyFileException;
-import com.keepassdroid.utils.EmptyUtils;
-
 
 public class PwDatabaseV4 extends PwDatabase {
 
-	public static final Date DEFAULT_NOW = new Date();
-    public static final UUID UUID_ZERO = new UUID(0,0);
 	public static final int DEFAULT_ROUNDS = 6000;
 	private static final int DEFAULT_HISTORY_MAX_ITEMS = 10; // -1 unlimited
 	private static final long DEFAULT_HISTORY_MAX_SIZE = 6 * 1024 * 1024; // -1 unlimited
@@ -73,15 +67,16 @@ public class PwDatabaseV4 extends PwDatabase {
 	public UUID dataCipher = AesEngine.CIPHER_UUID;
 	public CipherEngine dataEngine = new AesEngine();
 	public PwCompressionAlgorithm compressionAlgorithm = PwCompressionAlgorithm.Gzip;
+	// TODO: Refactor me away to get directly from kdfParameters
     public long numKeyEncRounds = 6000;
-    public Date nameChanged = DEFAULT_NOW;
-    public Date settingsChanged = DEFAULT_NOW;
+    public Date nameChanged = new Date();
+    public Date settingsChanged = new Date();
     public String description = "";
-    public Date descriptionChanged = DEFAULT_NOW;
+    public Date descriptionChanged = new Date();
     public String defaultUserName = "";
-    public Date defaultUserNameChanged = DEFAULT_NOW;
+    public Date defaultUserNameChanged = new Date();
     
-    public Date keyLastChanged = DEFAULT_NOW;
+    public Date keyLastChanged = new Date();
     public long keyChangeRecDays = -1;
     public long keyChangeForceDays = 1;
 	public boolean keyChangeForceOnce = false;
@@ -90,20 +85,21 @@ public class PwDatabaseV4 extends PwDatabase {
     public String color = "";
     public boolean recycleBinEnabled = true;
     public UUID recycleBinUUID = UUID_ZERO;
-    public Date recycleBinChanged = DEFAULT_NOW;
+    public Date recycleBinChanged = new Date();
     public UUID entryTemplatesGroup = UUID_ZERO;
-    public Date entryTemplatesGroupChanged = DEFAULT_NOW;
+    public Date entryTemplatesGroupChanged = new Date();
     public int historyMaxItems = DEFAULT_HISTORY_MAX_ITEMS;
     public long historyMaxSize = DEFAULT_HISTORY_MAX_SIZE;
     public UUID lastSelectedGroup = UUID_ZERO;
     public UUID lastTopVisibleGroup = UUID_ZERO;
     public MemoryProtectionConfig memoryProtection = new MemoryProtectionConfig();
-    public List<PwDeletedObject> deletedObjects = new ArrayList<PwDeletedObject>();
-    public List<PwIconCustom> customIcons = new ArrayList<PwIconCustom>();
-    public Map<String, String> customData = new HashMap<String, String>();
+    public List<PwDeletedObject> deletedObjects = new ArrayList<>();
+    public List<PwIconCustom> customIcons = new ArrayList<>();
+    public Map<String, String> customData = new HashMap<>();
 	public KdfParameters kdfParameters = KdfFactory.getDefaultParameters();
 	public VariantDictionary publicCustomData = new VariantDictionary();
-    
+	public BinaryPool binPool = new BinaryPool();
+
     public String localizedAppName = "KeePassDroid";
     
     public class MemoryProtectionConfig {
@@ -131,7 +127,7 @@ public class PwDatabaseV4 extends PwDatabase {
 			throws InvalidKeyFileException, IOException {
 		assert(key != null);
 		
-		byte[] fKey;
+		byte[] fKey = new byte[]{};
 		
 		if ( key.length() > 0 && keyInputStream != null) {
 			return getCompositeKey(key, keyInputStream);
@@ -139,8 +135,6 @@ public class PwDatabaseV4 extends PwDatabase {
 			fKey =  getPasswordKey(key);
 		} else if ( keyInputStream != null) {
 			fKey = getFileKey(keyInputStream);
-		} else {
-			throw new IllegalArgumentException( "Key cannot be empty." );
 		}
 		
 		MessageDigest md;
@@ -175,13 +169,24 @@ public class PwDatabaseV4 extends PwDatabase {
 			Arrays.fill(cmpKey, (byte)0);
 		}
 	}
-
 	public void makeFinalKey(byte[] masterSeed, KdfParameters kdfP) throws IOException {
+    	makeFinalKey(masterSeed, kdfP, 0);
+	}
+
+	public void makeFinalKey(byte[] masterSeed, KdfParameters kdfP, long roundsFix)
+			throws IOException {
 
 		KdfEngine kdfEngine = KdfFactory.get(kdfP.kdfUUID);
 		if (kdfEngine == null) {
 			throw new IOException("Unknown key derivation function");
 		}
+
+		// Set to 6000 rounds to open corrupted database
+		if (roundsFix > 0 && kdfP.kdfUUID.equals(AesKdf.CIPHER_UUID)) {
+			kdfP.setUInt32(AesKdf.ParamRounds, roundsFix);
+			numKeyEncRounds = roundsFix;
+		}
+
 		byte[] transformedMasterKey = kdfEngine.transform(masterKey, kdfP);
 		if (transformedMasterKey.length != 32) {
 			transformedMasterKey = CryptoUtil.hashSha256(transformedMasterKey);
@@ -262,25 +267,42 @@ public class PwDatabaseV4 extends PwDatabase {
 	public List<PwGroup> getGroups() {
 		List<PwGroup> list = new ArrayList<PwGroup>();
 		PwGroupV4 root = (PwGroupV4) rootGroup;
-		root.buildChildGroupsRecursive(list);
+        buildChildGroupsRecursive(root, list);
 		
 		return list;
 	}
 
+	private static void buildChildGroupsRecursive(PwGroupV4 root, List<PwGroup> list) {
+		list.add(root);
+		for ( int i = 0; i < root.numbersOfChildGroups(); i++) {
+			PwGroupV4 child = (PwGroupV4) root.getChildGroupAt(i);
+			buildChildGroupsRecursive(child, list);
+		}
+	}
+
 	@Override
 	public List<PwGroup> getGrpRoots() {
-		return rootGroup.childGroups;
+		return rootGroup.getChildGroups();
 	}
 
 	@Override
 	public List<PwEntry> getEntries() {
 		List<PwEntry> list = new ArrayList<PwEntry>();
 		PwGroupV4 root = (PwGroupV4) rootGroup;
-		root.buildChildEntriesRecursive(list);
-		
+		buildChildEntriesRecursive(root, list);
 		return list;
 	}
 
+    private static void buildChildEntriesRecursive(PwGroupV4 root, List<PwEntry> list) {
+        for ( int i = 0; i < root.numbersOfChildEntries(); i++ ) {
+            list.add(root.getChildEntryAt(i));
+        }
+        for ( int i = 0; i < root.numbersOfChildGroups(); i++ ) {
+            PwGroupV4 child = (PwGroupV4) root.getChildGroupAt(i);
+            buildChildEntriesRecursive(child, list);
+        }
+    }
+
 	@Override
 	public long getNumRounds() {
 		return numKeyEncRounds;
@@ -293,7 +315,7 @@ public class PwDatabaseV4 extends PwDatabase {
 	}
 
 	@Override
-	public boolean appSettingsEnabled() {
+	public boolean algorithmSettingsEnabled() {
 		return false;
 	}
 
@@ -344,24 +366,32 @@ public class PwDatabaseV4 extends PwDatabase {
 		if (getRecycleBin() == null) {
 			// Create recycle bin
 				
-			PwGroupV4 recycleBin = new PwGroupV4(true, true, RECYCLEBIN_NAME, iconFactory.getIcon(PwIconStandard.TRASH_BIN));
-			recycleBin.enableAutoType = false;
-			recycleBin.enableSearching = false;
-			recycleBin.isExpanded = false;
+			PwGroupV4 recycleBin = new PwGroupV4(RECYCLEBIN_NAME, iconFactory.getIcon(PwIconStandard.TRASH_BIN));
+			recycleBin.setEnableAutoType(false);
+			recycleBin.setEnableSearching(false);
+			recycleBin.setExpanded(false);
 			addGroupTo(recycleBin, rootGroup);
 			
-			recycleBinUUID = recycleBin.uuid;
+			recycleBinUUID = recycleBin.getUUID();
 		}
 	}
+
+    @Override
+    public boolean isRecycleBinAvailable() {
+        return true;
+    }
+
+    @Override
+	public boolean isRecycleBinEnable() {
+		return recycleBinEnabled;
+	}
 	
 	@Override
 	public boolean canRecycle(PwGroup group) {
 		if (!recycleBinEnabled) {
 			return false;
 		}
-		
 		PwGroup recycle = getRecycleBin();
-		
 		return (recycle == null) || (!group.isContainedIn(recycle));
 	}
 
@@ -370,11 +400,25 @@ public class PwDatabaseV4 extends PwDatabase {
 		if (!recycleBinEnabled) {
 			return false;
 		}
-		
 		PwGroup parent = entry.getParent();
 		return (parent != null) && canRecycle(parent);
 	}
-	
+
+	@Override
+	public void recycle(PwGroup group) {
+		ensureRecycleBin();
+
+		PwGroup parent = group.getParent();
+		removeGroupFrom(group, parent);
+		parent.touch(false, true);
+
+		PwGroup recycleBin = getRecycleBin();
+		addGroupTo(group, recycleBin);
+
+        group.touch(false, true);
+        // TODO ? group.touchLocation();
+	}
+
 	@Override
 	public void recycle(PwEntry entry) {
 		ensureRecycleBin();
@@ -390,6 +434,15 @@ public class PwDatabaseV4 extends PwDatabase {
 		entry.touchLocation();
 	}
 
+    @Override
+    public void undoRecycle(PwGroup group, PwGroup origParent) {
+
+        PwGroup recycleBin = getRecycleBin();
+        removeGroupFrom(group, recycleBin);
+
+        addGroupTo(group, origParent);
+    }
+
 	@Override
 	public void undoRecycle(PwEntry entry, PwGroup origParent) {
 		
@@ -402,15 +455,14 @@ public class PwDatabaseV4 extends PwDatabase {
 	@Override
 	public void deleteEntry(PwEntry entry) {
 		super.deleteEntry(entry);
-		
 		deletedObjects.add(new PwDeletedObject(entry.getUUID()));
 	}
 
 	@Override
 	public void undoDeleteEntry(PwEntry entry, PwGroup origParent) {
 		super.undoDeleteEntry(entry, origParent);
-		
-		deletedObjects.remove(entry);
+		// TODO undo delete entry
+        deletedObjects.remove(entry);
 	}
 
 	@Override
@@ -443,7 +495,7 @@ public class PwDatabaseV4 extends PwDatabase {
 	public void initNew(String dbPath) {
 		String filename = URLUtil.guessFileName(dbPath, null, null);
 		
-		rootGroup = new PwGroupV4(true, true, dbNameFromPath(dbPath), iconFactory.getIcon(PwIconStandard.FOLDER));
+		rootGroup = new PwGroupV4(dbNameFromPath(dbPath), iconFactory.getIcon(PwIconStandard.FOLDER));
 		groups.put(rootGroup.getId(), rootGroup);
 	}
 	
@@ -471,7 +523,7 @@ public class PwDatabaseV4 extends PwDatabase {
 				return true;
 			}
 			PwGroupV4 g4 = (PwGroupV4) group;
-			if (g4.customData.size() > 0) {
+			if (g4.containsCustomData()) {
 				hasCustomData = true;
 				return false;
 			}
@@ -491,7 +543,7 @@ public class PwDatabaseV4 extends PwDatabase {
 			}
 
 			PwEntryV4 e4 = (PwEntryV4)entry;
-			if (e4.customData.size() > 0) {
+			if (e4.containsCustomData()) {
 				hasCustomData = true;
 				return false;
 			}

app/src/main/java/com/keepassdroid/database/PwDatabaseV4XML.java

@@ -23,16 +23,8 @@ import android.annotation.SuppressLint;
 import java.text.SimpleDateFormat;
 import java.util.TimeZone;
 
-@SuppressLint("SimpleDateFormat")
 public class PwDatabaseV4XML {
 
-	public static final SimpleDateFormat dateFormat;
-	
-	static {
-		dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
-		dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
-	}
-	
     public static final String ElemDocNode = "KeePassFile";
     public static final String ElemMeta = "Meta";
     public static final String ElemRoot = "Root";
@@ -134,4 +126,15 @@ public class PwDatabaseV4XML {
 
     public static final String ElemCustomData = "CustomData";
     public static final String ElemStringDictExItem = "Item";
+
+    public static final ThreadLocal<SimpleDateFormat> dateFormatter =
+            new ThreadLocal<SimpleDateFormat>() {
+                @Override
+                protected SimpleDateFormat initialValue() {
+                    SimpleDateFormat dateFormat;
+                    dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
+                    dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
+                    return dateFormat;
+                }
+            };
 }

app/src/main/java/com/keepassdroid/database/PwDate.java

@@ -19,21 +19,22 @@
  */
 package com.keepassdroid.database;
 
+import com.keepassdroid.app.App;
+import com.keepassdroid.utils.Types;
+
+import java.io.Serializable;
 import java.util.Arrays;
 import java.util.Calendar;
 import java.util.Date;
 
-import com.keepassdroid.app.App;
-import com.keepassdroid.utils.Types;
-
 /** Converting from the C Date format to the Java data format is
  *  expensive when done for every record at once.  I use this class to
  *  allow lazy conversions between the formats.
  * @author bpellin
  *
  */
-public class PwDate implements Cloneable {
-	
+public class PwDate implements Cloneable, Serializable {
+
 	private static final int DATE_SIZE = 5; 
 	
 	private boolean cDateBuilt = false;
@@ -41,6 +42,56 @@ public class PwDate implements Cloneable {
 	
 	private Date jDate;
 	private byte[] cDate;
+
+    public static final Date NEVER_EXPIRE = getNeverExpire();
+    public static final Date NEVER_EXPIRE_BUG = getNeverExpireBug();
+
+    public static final Date DEFAULT_DATE = getDefaultDate();
+    public static final PwDate PW_NEVER_EXPIRE = new PwDate(NEVER_EXPIRE);
+    public static final PwDate PW_NEVER_EXPIRE_BUG = new PwDate(NEVER_EXPIRE_BUG);
+    public static final PwDate DEFAULT_PWDATE = new PwDate(DEFAULT_DATE);
+
+    private static Date getDefaultDate() {
+        Calendar cal = Calendar.getInstance();
+        cal.set(Calendar.YEAR, 2004);
+        cal.set(Calendar.MONTH, Calendar.JANUARY);
+        cal.set(Calendar.DAY_OF_MONTH, 1);
+        cal.set(Calendar.HOUR, 0);
+        cal.set(Calendar.MINUTE, 0);
+        cal.set(Calendar.SECOND, 0);
+
+        return cal.getTime();
+    }
+
+    private static Date getNeverExpire() {
+        Calendar cal = Calendar.getInstance();
+        cal.set(Calendar.YEAR, 2999);
+        cal.set(Calendar.MONTH, 11);
+        cal.set(Calendar.DAY_OF_MONTH, 28);
+        cal.set(Calendar.HOUR, 23);
+        cal.set(Calendar.MINUTE, 59);
+        cal.set(Calendar.SECOND, 59);
+
+        return cal.getTime();
+    }
+
+    /** This date was was accidentally being written
+     *  out when an entry was supposed to be marked as
+     *  expired. We'll use this to silently correct those
+     *  entries.
+     * @return
+     */
+    private static Date getNeverExpireBug() {
+        Calendar cal = Calendar.getInstance();
+        cal.set(Calendar.YEAR, 2999);
+        cal.set(Calendar.MONTH, 11);
+        cal.set(Calendar.DAY_OF_MONTH, 30);
+        cal.set(Calendar.HOUR, 23);
+        cal.set(Calendar.MINUTE, 59);
+        cal.set(Calendar.SECOND, 59);
+
+        return cal.getTime();
+    }
 	
 	public PwDate(byte[] buf, int offset) {
 		cDate = new byte[DATE_SIZE];
@@ -58,12 +109,13 @@ public class PwDate implements Cloneable {
 		jDateBuilt = true;
 	}
 	
-	private PwDate() {
-		
+	public PwDate() {
+		jDate = new Date();
+		jDateBuilt = true;
 	}
 	
 	@Override
-	public Object clone() {
+	public PwDate clone() {
 		PwDate copy = new PwDate();
 		
 		if ( cDateBuilt ) {
@@ -81,9 +133,7 @@ public class PwDate implements Cloneable {
 		return copy;
 	}
 
-
-	
-	public Date getJDate() {
+	public Date getDate() {
 		if ( ! jDateBuilt ) {
 			jDate = readTime(cDate, 0, App.getCalendar());
 			jDateBuilt = true;
@@ -101,7 +151,6 @@ public class PwDate implements Cloneable {
 		return cDate;
 	}
 	
-	
 	/**
 	 * Unpack date from 5 byte format. The five bytes at 'offset' are unpacked
 	 * to a java.util.Date instance.
@@ -188,7 +237,7 @@ public class PwDate implements Cloneable {
 		} else if ( cDateBuilt && date.jDateBuilt ) {
 			return Arrays.equals(date.getCDate(), cDate);
 		} else {
-			return IsSameDate(date.getJDate(), jDate);
+			return IsSameDate(date.getDate(), jDate);
 		}
 	}
 

app/src/main/java/com/keepassdroid/database/PwDbHeaderV4.java

@@ -95,7 +95,6 @@ public class PwDbHeaderV4 extends PwDbHeader {
     public byte[] streamStartBytes = new byte[32];
     public CrsAlgorithm innerRandomStream;
 	public long version;
-	public List<ProtectedBinary> binaries = new ArrayList<ProtectedBinary>();
 
     public PwDbHeaderV4(PwDatabaseV4 d) {
     	db = d;
@@ -194,7 +193,9 @@ public class PwDbHeaderV4 extends PwDbHeader {
 				if (!db.kdfParameters.kdfUUID.equals(kdfR.uuid)) {
 					db.kdfParameters = kdfR.getDefaultParameters();
 				}
-				db.kdfParameters.setUInt64(AesKdf.ParamRounds, LEDataInputStream.readLong(fieldData, 0));
+				long rounds = LEDataInputStream.readLong(fieldData, 0);
+				db.kdfParameters.setUInt64(AesKdf.ParamRounds, rounds);
+				db.numKeyEncRounds = rounds;
 				break;
 				
 			case PwDbHeaderV4Fields.EncryptionIV:

app/src/main/java/com/keepassdroid/database/PwEntry.java

@@ -19,36 +19,26 @@
  */
 package com.keepassdroid.database;
 
-import java.util.Comparator;
-import java.util.Date;
+import com.keepassdroid.database.iterator.EntrySearchStringIterator;
+import com.keepassdroid.database.security.ProtectedString;
+
+import java.util.HashMap;
+import java.util.Map;
 import java.util.UUID;
 
-import com.keepassdroid.database.iterator.EntrySearchStringIterator;
-import com.keepassdroid.utils.SprEngine;
+public abstract class PwEntry extends PwNode implements Cloneable {
 
-public abstract class PwEntry implements Cloneable {
+	private static final String PMS_TAN_ENTRY = "<TAN>";
 
-	protected static final String PMS_TAN_ENTRY = "<TAN>";
-	
-	public static class EntryNameComparator implements Comparator<PwEntry> {
+	protected UUID uuid = PwDatabase.UUID_ZERO;
 
-		public int compare(PwEntry object1, PwEntry object2) {
-			return object1.getTitle().compareToIgnoreCase(object2.getTitle());
-		}
-		
-	}
-	
-	public PwIconStandard icon = PwIconStandard.FIRST;
+	@Override
+	protected void construct() {
+	    super.construct();
+        uuid = UUID.randomUUID();
+    }
 
-	public PwEntry() {
-		
-	}
-	
 	public static PwEntry getInstance(PwGroup parent) {
-		return PwEntry.getInstance(parent, true, true);
-	}
-	
-	public static PwEntry getInstance(PwGroup parent, boolean initId, boolean initDates) {
 		if (parent instanceof PwGroupV3) {
 			return new PwEntryV3((PwGroupV3)parent);
 		}
@@ -59,86 +49,65 @@ public abstract class PwEntry implements Cloneable {
 			throw new RuntimeException("Unknown PwGroup instance.");
 		}
 	}
-	
+
 	@Override
-	public Object clone() {
+	public PwEntry clone() {
 		PwEntry newEntry;
 		try {
 			newEntry = (PwEntry) super.clone();
 		} catch (CloneNotSupportedException e) {
-			assert(false);
 			throw new RuntimeException("Clone should be supported");
 		}
-		
 		return newEntry;
 	}
-	
-	public PwEntry clone(boolean deepStrings) {
-		return (PwEntry) clone();
-	}
-	
-	public void assign(PwEntry source) {
-		icon = source.icon;
-	}
-	
-	public abstract UUID getUUID();
-	public abstract void setUUID(UUID u);
-	
-	public String getTitle() {
-		return getTitle(false, null);
-	}
-	
-	public String getUsername() {
-		return getUsername(false, null);
-	}
 
-	public String getPassword() {
-		return getPassword(false, null);
-	}
-	
-	public String getUrl() {
-		return getUrl(false, null);
-	}
-
-	public String getNotes() {
-		return getNotes(false, null);
-	}
-
-	public abstract String getTitle(boolean decodeRef, PwDatabase db);
-	public abstract String getUsername(boolean decodeRef, PwDatabase db);
-	public abstract String getPassword(boolean decodeRef, PwDatabase db);
-	public abstract String getUrl(boolean decodeRef, PwDatabase db);
-	public abstract String getNotes(boolean decodeRef, PwDatabase db);
-	public abstract Date getCreationTime();
-	public abstract Date getLastModificationTime();
-	public abstract Date getLastAccessTime();
-	public abstract Date getExpiryTime();
-	public abstract boolean expires();
-	public abstract PwGroup getParent();
-	
-	public abstract void setTitle(String title, PwDatabase db);
-	public abstract void setUsername(String user, PwDatabase db);
-	public abstract void setPassword(String pass, PwDatabase db);
-	public abstract void setUrl(String url, PwDatabase db);
-	public abstract void setNotes(String notes, PwDatabase db);
-	public abstract void setCreationTime(Date create);
-	public abstract void setLastModificationTime(Date mod);
-	public abstract void setLastAccessTime(Date access);
-	public abstract void setExpires(boolean exp);
-	public abstract void setExpiryTime(Date expires);
-
-	public PwIcon getIcon() {
-		return icon;
-	}
-
-    public void setIcon(PwIconStandard icon) {
-        this.icon = icon;
+	@Override
+    protected void addCloneAttributesToNewEntry(PwEntry newEntry) {
+	    super.addCloneAttributesToNewEntry(newEntry);
+	    // uuid is clone automatically (IMMUTABLE)
     }
+
+	@Override
+	public Type getType() {
+		return Type.ENTRY;
+	}
+
+    public void assign(PwEntry source) {
+	    super.assign(source);
+        uuid = source.uuid;
+	}
+
+    public UUID getUUID() {
+        return uuid;
+    }
+
+    public void setUUID(UUID uuid) {
+        this.uuid = uuid;
+    }
+
+	public void startToDecodeReference(PwDatabase db) {}
+	public void endToDecodeReference(PwDatabase db) {}
+
+	public abstract String getTitle();
+    public abstract void setTitle(String title);
+
+	public abstract String getUsername();
+    public abstract void setUsername(String user);
+
+	public abstract String getPassword();
+    public abstract void setPassword(String pass);
+
+	public abstract String getUrl();
+    public abstract void setUrl(String url);
+
+	public abstract String getNotes();
+	public abstract void setNotes(String notes);
 	
-	public boolean isTan() {
+	private boolean isTan() {
 		return getTitle().equals(PMS_TAN_ENTRY) && (getUsername().length() > 0);
 	}
 
+	@Override
 	public String getDisplayTitle() {
 		if ( isTan() ) {
 			return PMS_TAN_ENTRY + " " + getUsername();
@@ -147,18 +116,72 @@ public abstract class PwEntry implements Cloneable {
 		}
 	}
 
+	// TODO encapsulate extra fields
 
+    /**
+     * To redefine if version of entry allow extra field,
+     * @return true if entry allows extra field
+     */
+	public boolean allowExtraFields() {
+		return false;
+	}
+
+    /**
+     * Retrieve extra fields to show, key is the label, value is the value of field
+     * @return Map of label/value
+     */
+	public Map<String, String> getExtraFields() {
+		return new HashMap<>();
+	}
+
+    /**
+     * Retrieve extra protected fields to show, key is the label, value is the value protected of field
+     * @return Map of label/value
+     */
+    public Map<String, ProtectedString> getExtraProtectedFields() {
+        return new HashMap<>();
+    }
+
+	/**
+	 * If entry contains extra fields
+	 * @return true if there is extra fields
+	 */
+	public boolean containsExtraFields() {
+		return !getExtraProtectedFields().keySet().isEmpty();
+	}
+
+    /**
+     * Add an extra field to the list
+     * @param label Label of field, must be unique
+     * @param value Value of field
+     */
+    public void addField(String label, ProtectedString value) {}
+
+    /**
+     * Delete all extra fields
+     */
+    public void removeExtraFields() {}
+
+	/**
+	 * If it's a node with only meta information like Meta-info SYSTEM Database Color
+	 * @return false by default, true if it's a meta stream
+	 */
 	public boolean isMetaStream() {
 		return false;
 	}
-	
+
+    /**
+     * Create a backup of entry
+     */
+    public void createBackup(PwDatabase db) {}
+
 	public EntrySearchStringIterator stringIterator() {
 		return EntrySearchStringIterator.getInstance(this);
 	}
 	
 	public void touch(boolean modified, boolean touchParents) {
-		Date now = new Date();
-		
+		PwDate now = new PwDate();
+
 		setLastAccessTime(now);
 		
 		if (modified) {
@@ -173,10 +196,22 @@ public abstract class PwEntry implements Cloneable {
 	
 	public void touchLocation() { }
 	
-	public abstract void setParent(PwGroup parent);
-	
 	public boolean isSearchingEnabled() {
 		return false;
 	}
 
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        PwEntry pwEntry = (PwEntry) o;
+        return isSameType(pwEntry)
+                && (getUUID() != null ? getUUID().equals(pwEntry.getUUID()) : pwEntry.getUUID() == null);
+    }
+
+    @Override
+    public int hashCode() {
+        return getUUID() != null ? getUUID().hashCode() : 0;
+    }
 }

app/src/main/java/com/keepassdroid/database/PwEntryV3.java

@@ -42,15 +42,9 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 package com.keepassdroid.database;
 
-// PhoneID
 import java.io.UnsupportedEncodingException;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.Random;
 import java.util.UUID;
 
-import com.keepassdroid.utils.Types;
-
 
 /**
  * Structure containing information about one entry.
@@ -71,138 +65,204 @@ import com.keepassdroid.utils.Types;
  * @author Naomaru Itoi <nao@phoneid.org>
  * @author Bill Zwicky <wrzwicky@pobox.com>
  * @author Dominik Reichl <dominik.reichl@t-online.de>
+ * @author Jeremy Jamet <jeremy.jamet@kunzisoft.com>
  */
 public class PwEntryV3 extends PwEntry {
 
-	public static final Date NEVER_EXPIRE = getNeverExpire();
-	public static final Date NEVER_EXPIRE_BUG = getNeverExpireBug();
-	public static final Date DEFAULT_DATE = getDefaultDate();
-	public static final PwDate PW_NEVER_EXPIRE = new PwDate(NEVER_EXPIRE);
-	public static final PwDate PW_NEVER_EXPIRE_BUG = new PwDate(NEVER_EXPIRE_BUG);
-	public static final PwDate DEFAULT_PWDATE = new PwDate(DEFAULT_DATE);
-	
-
 	/** Size of byte buffer needed to hold this struct. */
-	public static final String PMS_ID_BINDESC = "bin-stream";
-	public static final String PMS_ID_TITLE   = "Meta-Info";
-	public static final String PMS_ID_USER    = "SYSTEM";
-	public static final String PMS_ID_URL     = "$";
+	private static final String PMS_ID_BINDESC = "bin-stream";
+	private static final String PMS_ID_TITLE   = "Meta-Info";
+	private static final String PMS_ID_USER    = "SYSTEM";
+	private static final String PMS_ID_URL     = "$";
 
+    // for tree traversing
+    private PwGroupV3 parent = null;
+    private int groupId;
 
-
-	public int              groupId;
-	public 	String 			username;
-	private byte[]          password;
-	private byte[]          uuid;
-	public String title;
-	public String url;
-	public String additional;
-
-
-	public PwDate             tCreation;
-	public PwDate             tLastMod;
-	public PwDate             tLastAccess;
-	public PwDate             tExpire;
+    private String title;
+	private	String username;
+	private byte[] password;
+	private String url;
+	private String additional;
 
 	/** A string describing what is in pBinaryData */
-	public String           binaryDesc;
+	private String           binaryDesc;
 	private byte[]          binaryData;
 
-	private static Date getDefaultDate() {
-		Calendar cal = Calendar.getInstance();
-		cal.set(Calendar.YEAR, 2004);
-		cal.set(Calendar.MONTH, Calendar.JANUARY);
-		cal.set(Calendar.DAY_OF_MONTH, 1);
-		cal.set(Calendar.HOUR, 0);
-		cal.set(Calendar.MINUTE, 0);
-		cal.set(Calendar.SECOND, 0);
-
-		return cal.getTime();
-	}
-
-	private static Date getNeverExpire() {
-		Calendar cal = Calendar.getInstance();
-		cal.set(Calendar.YEAR, 2999);
-		cal.set(Calendar.MONTH, 11);
-		cal.set(Calendar.DAY_OF_MONTH, 28);
-		cal.set(Calendar.HOUR, 23);
-		cal.set(Calendar.MINUTE, 59);
-		cal.set(Calendar.SECOND, 59);
-
-		return cal.getTime();
-	}
-	
-	/** This date was was accidentally being written
-	 *  out when an entry was supposed to be marked as
-	 *  expired. We'll use this to silently correct those
-	 *  entries.
-	 * @return
-	 */
-	private static Date getNeverExpireBug() {
-		Calendar cal = Calendar.getInstance();
-		cal.set(Calendar.YEAR, 2999);
-		cal.set(Calendar.MONTH, 11);
-		cal.set(Calendar.DAY_OF_MONTH, 30);
-		cal.set(Calendar.HOUR, 23);
-		cal.set(Calendar.MINUTE, 59);
-		cal.set(Calendar.SECOND, 59);
-
-		return cal.getTime();
-	}
-
-	public static boolean IsNever(Date date) {
-		return PwDate.IsSameDate(NEVER_EXPIRE, date);
-	}
-	
-	// for tree traversing
-	public PwGroupV3 parent = null;
-
-
 	public PwEntryV3() {
 		super();
 	}
-
-	/*
-	public PwEntryV3(PwEntryV3 source) {
-		assign(source);
-	}
-	*/
 	
 	public PwEntryV3(PwGroupV3 p) {
-		this(p, true, true);
-	}
-
-	public PwEntryV3(PwGroupV3 p, boolean initId, boolean initDates) {
-
+	    construct();
 		parent = p;
-		groupId = ((PwGroupIdV3)parent.getId()).getId();
-
-		if (initId) {
-			Random random = new Random();
-			uuid = new byte[16];
-			random.nextBytes(uuid);
-		}
-		
-		if (initDates) {
-			Calendar cal = Calendar.getInstance();
-			Date now = cal.getTime();
-			tCreation = new PwDate(now);
-			tLastAccess = new PwDate(now);
-			tLastMod = new PwDate(now);
-			tExpire = new PwDate(NEVER_EXPIRE);
-		}
-
+		groupId = ((PwGroupIdV3)parent.getId()).getId(); // TODO remove
 	}
-	
+
+    @Override
+    public void assign(PwEntry source) {
+        if ( ! (source instanceof PwEntryV3) ) {
+            throw new RuntimeException("DB version mix");
+        }
+        super.assign(source);
+        PwEntryV3 src = (PwEntryV3) source;
+        parent = src.parent;
+        groupId = src.groupId;
+
+        title = src.title;
+        username = src.username;
+        int passLen = src.password.length;
+        password = new byte[passLen];
+        System.arraycopy(src.password, 0, password, 0, passLen);
+        url = src.url;
+        additional = src.additional;
+
+        binaryDesc = src.binaryDesc;
+        if ( src.binaryData != null ) {
+            int descLen = src.binaryData.length;
+            binaryData = new byte[descLen];
+            System.arraycopy(src.binaryData, 0, binaryData, 0, descLen);
+        }
+    }
+
+    @Override
+    public PwEntryV3 clone() {
+        PwEntryV3 newEntry = (PwEntryV3) super.clone();
+
+        // Attributes in parent
+        addCloneAttributesToNewEntry(newEntry);
+
+        // Attributes here
+        // newEntry.parent stay the same in copy
+        // newEntry.groupId stay the same in copy
+        // newEntry.title stay the same in copy
+        // newEntry.username stay the same in copy
+        if (password != null) {
+            int passLen = password.length;
+            password = new byte[passLen];
+            System.arraycopy(password, 0, newEntry.password, 0, passLen);
+        }
+        // newEntry.url stay the same in copy
+        // newEntry.additional stay the same in copy
+
+        // newEntry.binaryDesc stay the same in copy
+        if ( binaryData != null ) {
+            int descLen = binaryData.length;
+            newEntry.binaryData = new byte[descLen];
+            System.arraycopy(binaryData, 0, newEntry.binaryData, 0, descLen);
+        }
+
+        return newEntry;
+    }
+
+    @Override
+    public PwGroupV3 getParent() {
+        return parent;
+    }
+
+    @Override
+    public void setParent(PwGroup parent) {
+        this.parent = (PwGroupV3) parent;
+    }
+
+    public int getGroupId() {
+	    return groupId;
+    }
+
+    public void setGroupId(int groupId) {
+	    this.groupId = groupId;
+    }
+
+    @Override
+    public String getUsername() {
+        if (username == null) {
+            return "";
+        }
+        return username;
+    }
+
+    @Override
+    public void setUsername(String user) {
+        username = user;
+    }
+
+    @Override
+    public String getTitle() {
+        return title;
+    }
+
+    @Override
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    @Override
+    public String getNotes() {
+        return additional;
+    }
+
+    @Override
+    public void setNotes(String notes) {
+        additional = notes;
+    }
+
+    @Override
+    public String getUrl() {
+        return url;
+    }
+
+    @Override
+    public void setUrl(String url) {
+        this.url = url;
+    }
+
+    public void populateBlankFields(PwDatabaseV3 db) {
+	    // TODO verify and remove
+        if (icon == null) {
+            icon = db.iconFactory.getIcon(1);
+        }
+
+        if (username == null) {
+            username = "";
+        }
+
+        if (password == null) {
+            password = new byte[0];
+        }
+
+        if (uuid == null) {
+            uuid = UUID.randomUUID();
+        }
+
+        if (title == null) {
+            title = "";
+        }
+
+        if (url == null) {
+            url = "";
+        }
+
+        if (additional == null) {
+            additional = "";
+        }
+
+        if (binaryDesc == null) {
+            binaryDesc = "";
+        }
+
+        if (binaryData == null) {
+            binaryData = new byte[0];
+        }
+    }
+
 	/**
 	 * @return the actual password byte array.
 	 */
 	@Override
-	public String getPassword(boolean decodeRef, PwDatabase db) {
+	public String getPassword() {
 		if (password == null) {
 			return "";
 		}
-		
 		return new String(password);
 	}
 	
@@ -210,7 +270,6 @@ public class PwEntryV3 extends PwEntry {
 		return password;
 	}
 
-
 	/**
 	 * fill byte array
 	 */
@@ -231,10 +290,8 @@ public class PwEntryV3 extends PwEntry {
 		System.arraycopy( buf, offset, password, 0, len );
 	}
 
-
-
 	@Override
-	public void setPassword(String pass, PwDatabase db) {
+	public void setPassword(String pass) {
 		byte[] password;
 		try {
 			password = pass.getBytes("UTF-8");
@@ -253,8 +310,6 @@ public class PwEntryV3 extends PwEntry {
 		return binaryData;
 	}
 
-
-
 	/** Securely erase old data before copying new. */
 	public void setBinaryData( byte[] buf, int offset, int len ) {
 		if( binaryData != null ) {
@@ -265,6 +320,14 @@ public class PwEntryV3 extends PwEntry {
 		System.arraycopy( buf, offset, binaryData, 0, len );
 	}
 
+	public String getBinaryDesc() {
+	    return binaryDesc;
+    }
+
+    public void setBinaryDesc(String binaryDesc) {
+	    this.binaryDesc = binaryDesc;
+    }
+
 	// Determine if this is a MetaStream entry
 	@Override
 	public boolean isMetaStream() {
@@ -281,250 +344,4 @@ public class PwEntryV3 extends PwEntry {
 
 		return true;
 	}
-
-	
-	@Override
-	public void assign(PwEntry source) {
-		
-		if ( ! (source instanceof PwEntryV3) ) {
-			throw new RuntimeException("DB version mix");
-		}
-		
-		super.assign(source);
-		
-		PwEntryV3 src = (PwEntryV3) source;
-		assign(src);
-	
-	}
-
-	private void assign(PwEntryV3 source) {
-		title = source.title;
-		url = source.url;
-		groupId = source.groupId;
-		username = source.username;
-		additional = source.additional;
-		uuid = source.uuid;
-
-		int passLen = source.password.length;
-		password = new byte[passLen]; 
-		System.arraycopy(source.password, 0, password, 0, passLen);
-
-		tCreation = (PwDate) source.tCreation.clone();
-		tLastMod = (PwDate) source.tLastMod.clone();
-		tLastAccess = (PwDate) source.tLastAccess.clone();
-		tExpire = (PwDate) source.tExpire.clone();
-
-		binaryDesc = source.binaryDesc;
-
-		if ( source.binaryData != null ) {
-			int descLen = source.binaryData.length;
-			binaryData = new byte[descLen]; 
-			System.arraycopy(source.binaryData, 0, binaryData, 0, descLen);
-		}
-
-		parent = source.parent;
-
-	}
-	
-	@Override
-	public Object clone() {
-		PwEntryV3 newEntry = (PwEntryV3) super.clone();
-		
-		if (password != null) {
-			int passLen = password.length;
-			password = new byte[passLen]; 
-			System.arraycopy(password, 0, newEntry.password, 0, passLen);
-		}
-
-		newEntry.tCreation = (PwDate) tCreation.clone();
-		newEntry.tLastMod = (PwDate) tLastMod.clone();
-		newEntry.tLastAccess = (PwDate) tLastAccess.clone();
-		newEntry.tExpire = (PwDate) tExpire.clone();
-		
-		newEntry.binaryDesc = binaryDesc;
-
-		if ( binaryData != null ) {
-			int descLen = binaryData.length;
-			newEntry.binaryData = new byte[descLen]; 
-			System.arraycopy(binaryData, 0, newEntry.binaryData, 0, descLen);
-		}
-
-		newEntry.parent = parent;
-
-		
-		return newEntry;
-	}
-
-	@Override
-	public Date getLastAccessTime() {
-		return tLastAccess.getJDate();
-	}
-
-	@Override
-	public Date getCreationTime() {
-		return tCreation.getJDate();
-	}
-
-	@Override
-	public Date getExpiryTime() {
-		return tExpire.getJDate();
-	}
-
-	@Override
-	public Date getLastModificationTime() {
-		return tLastMod.getJDate();
-	}
-
-	@Override
-	public void setCreationTime(Date create) {
-		tCreation = new PwDate(create);
-		
-	}
-
-	@Override
-	public void setLastModificationTime(Date mod) {
-		tLastMod = new PwDate(mod);
-		
-	}
-
-	@Override
-	public void setLastAccessTime(Date access) {
-		tLastAccess = new PwDate(access);
-		
-	}
-
-	@Override
-	public void setExpires(boolean expires) {
-		if (!expires) {
-			tExpire = PW_NEVER_EXPIRE;
-		}
-	}
-
-	@Override
-	public void setExpiryTime(Date expires) {
-		tExpire = new PwDate(expires);
-	}
-
-	@Override
-	public PwGroupV3 getParent() {
-		return parent;
-	}
-
-	@Override
-	public UUID getUUID() {
-		return Types.bytestoUUID(uuid);
-	}
-
-	@Override
-	public void setUUID(UUID u) {
-		uuid = Types.UUIDtoBytes(u);
-	}
-
-	@Override
-	public String getUsername(boolean decodeRef, PwDatabase db) {
-		if (username == null) {
-			return "";
-		}
-		
-		return username;
-	}
-
-	@Override
-	public void setUsername(String user, PwDatabase db) {
-		username = user;
-	}
-
-	@Override
-	public String getTitle(boolean decodeRef, PwDatabase db) {
-        return title;
-	}
-
-	@Override
-	public void setTitle(String title, PwDatabase db) {
-		this.title = title;
-	}
-
-	@Override
-	public String getNotes(boolean decodeRef, PwDatabase db) {
-		return additional;
-	}
-
-	@Override
-	public void setNotes(String notes, PwDatabase db) {
-		additional = notes;
-	}
-
-	@Override
-	public String getUrl(boolean decodeRef, PwDatabase db) {
-		return url;
-	}
-
-	@Override
-	public void setUrl(String url, PwDatabase db) {
-		this.url = url;
-	}
-
-	@Override
-	public boolean expires() {
-		return ! IsNever(tExpire.getJDate());
-	}
-	
-	public void populateBlankFields(PwDatabaseV3 db) {
-		if (icon == null) {
-			icon = db.iconFactory.getIcon(1);
-		}
-		
-		if (username == null) {
-			username = "";
-		}
-		
-		if (password == null) {
-			password = new byte[0];
-		}
-		
-		if (uuid == null) {
-			uuid = Types.UUIDtoBytes(UUID.randomUUID());
-		}
-		
-		if (title == null) {
-			title = "";
-		}
-		
-		if (url == null) {
-			url = "";
-		}
-		
-		if (additional == null) {
-			additional = "";
-		}
-		
-		if (tCreation == null) {
-			tCreation = DEFAULT_PWDATE;
-		}
-		
-		if (tLastMod == null) {
-			tLastMod = DEFAULT_PWDATE;
-		}
-		
-		if (tLastAccess == null) {
-			tLastAccess = DEFAULT_PWDATE;
-		}
-		
-		if (tExpire == null) {
-			tExpire = PW_NEVER_EXPIRE;
-		}
-		
-		if (binaryDesc == null) {
-			binaryDesc = "";
-		}
-		
-		if (binaryData == null) {
-			binaryData = new byte[0];
-		}
-	}
-
-	@Override
-	public void setParent(PwGroup parent) {
-		this.parent = (PwGroupV3) parent;
-	}
 }

app/src/main/java/com/keepassdroid/database/PwEntryV4.java

@@ -19,313 +19,225 @@
  */
 package com.keepassdroid.database;
 
-import java.util.ArrayList;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Set;
-import java.util.UUID;
-
 import com.keepassdroid.database.security.ProtectedBinary;
 import com.keepassdroid.database.security.ProtectedString;
-import com.keepassdroid.utils.SprEngine;
+import com.keepassdroid.utils.SprEngineV4;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Map.Entry;
 
 public class PwEntryV4 extends PwEntry implements ITimeLogger {
+
 	public static final String STR_TITLE = "Title";
 	public static final String STR_USERNAME = "UserName";
 	public static final String STR_PASSWORD = "Password";
 	public static final String STR_URL = "URL";
 	public static final String STR_NOTES = "Notes";
-	
-	public PwGroupV4 parent;
-	public UUID uuid = PwDatabaseV4.UUID_ZERO;
-	public HashMap<String, ProtectedString> strings = new HashMap<String, ProtectedString>();
-	public HashMap<String, ProtectedBinary> binaries = new HashMap<String, ProtectedBinary>();
-	public PwIconCustom customIcon = PwIconCustom.ZERO;
-	public String foregroundColor = "";
-	public String backgroupColor = "";
-	public String overrideURL = "";
-	public AutoType autoType = new AutoType();
-	public ArrayList<PwEntryV4> history = new ArrayList<PwEntryV4>();
-	
-	private Date parentGroupLastMod = PwDatabaseV4.DEFAULT_NOW;
-	private Date creation = PwDatabaseV4.DEFAULT_NOW;
-	private Date lastMod = PwDatabaseV4.DEFAULT_NOW;
-	private Date lastAccess = PwDatabaseV4.DEFAULT_NOW;
-	private Date expireDate = PwDatabaseV4.DEFAULT_NOW;
-	private boolean expires = false;
-	private long usageCount = 0;
-	public String url = "";
-	public String additional = "";
-	public String tags = "";
-	public Map<String, String> customData = new HashMap<String, String>();
 
-	public class AutoType implements Cloneable {
-		private static final long OBF_OPT_NONE = 0;
-		
-		public boolean enabled = true;
-		public long obfuscationOptions = OBF_OPT_NONE;
-		public String defaultSequence = "";
-		
-		private HashMap<String, String> windowSeqPairs = new HashMap<String, String>();
-		
-		@SuppressWarnings("unchecked")
-		public Object clone() {
-			AutoType auto;
-			try {
-				auto = (AutoType) super.clone();
-			} 
-			catch (CloneNotSupportedException e) {
-				assert(false);
-				throw new RuntimeException(e);
-			}
-			
-			auto.windowSeqPairs = (HashMap<String, String>) windowSeqPairs.clone();
-			
-			return auto;
-			
-		}
-		
-		public void put(String key, String value) {
-			windowSeqPairs.put(key, value);
-		}
-		
-		public Set<Entry<String, String>> entrySet() {
-			return windowSeqPairs.entrySet();
-		}
-
-	}
+	// To decode each field not serializable
+    private transient PwDatabase mDatabase = null;
+    private transient boolean mDecodeRef = false;
 	
+	private PwGroupV4 parent;
+	private PwIconCustom customIcon = PwIconCustom.ZERO;
+    private long usageCount = 0;
+    private PwDate parentGroupLastMod = new PwDate();
+    private Map<String, String> customData = new HashMap<>();
+
+    private HashMap<String, ProtectedString> fields = new HashMap<>();
+    private HashMap<String, ProtectedBinary> binaries = new HashMap<>();
+	private String foregroundColor = "";
+	private String backgroupColor = "";
+	private String overrideURL = "";
+	private AutoType autoType = new AutoType();
+	private ArrayList<PwEntryV4> history = new ArrayList<>();
+
+	private String url = "";
+	private String additional = "";
+	private String tags = "";
+
 	public PwEntryV4() {
-
+	    super();
 	}
 	
 	public PwEntryV4(PwGroupV4 p) {
-		this(p, true, true);
-	}
-	
-	public PwEntryV4(PwGroupV4 p, boolean initId, boolean initDates) {
+		construct();
 		parent = p;
-		
-		if (initId) {
-			uuid = UUID.randomUUID();
-		}
-		
-		if (initDates) {
-			Calendar cal = Calendar.getInstance();
-			Date now = cal.getTime();
-			creation = now;
-			lastAccess = now;
-			lastMod = now;
-			expires = false;
-		}
 	}
 
-	@SuppressWarnings("unchecked")
+    @Override
+    public void assign(PwEntry source) {
+        if ( ! (source instanceof PwEntryV4) ) {
+            throw new RuntimeException("DB version mix.");
+        }
+        super.assign(source);
+        PwEntryV4 src = (PwEntryV4) source;
+        parent = src.parent;
+        customIcon = src.customIcon;
+        usageCount = src.usageCount;
+        parentGroupLastMod = src.parentGroupLastMod;
+        // TODO customData
+
+        fields = src.fields;
+        binaries = src.binaries;
+        foregroundColor = src.foregroundColor;
+        backgroupColor = src.backgroupColor;
+        overrideURL = src.overrideURL;
+        autoType = src.autoType;
+        history = src.history;
+
+        url = src.url;
+        additional = src.additional;
+        tags = src.tags;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public PwEntryV4 clone() {
+        PwEntryV4 newEntry = (PwEntryV4) super.clone();
+
+        // Attributes in parent
+        addCloneAttributesToNewEntry(newEntry);
+
+        // Attributes here
+        // newEntry.parent stay the same in copy
+        newEntry.customIcon = new PwIconCustom(this.customIcon);
+        // newEntry.usageCount stay the same in copy
+        newEntry.parentGroupLastMod = this.parentGroupLastMod.clone();
+        // TODO customData make copy from hashmap
+
+        newEntry.fields = (HashMap<String, ProtectedString>) this.fields.clone();
+        newEntry.binaries = (HashMap<String, ProtectedBinary>) this.binaries.clone();
+        // newEntry.foregroundColor stay the same in copy
+        // newEntry.backgroupColor stay the same in copy
+        // newEntry.overrideURL stay the same in copy
+        newEntry.autoType = autoType.clone();
+        newEntry.history = (ArrayList<PwEntryV4>) this.history.clone();
+
+        // newEntry.url stay the same in copy
+        // newEntry.additional stay the same in copy
+        // newEntry.tags stay the same in copy
+
+        return newEntry;
+    }
+
 	@Override
-	public PwEntry clone(boolean deepStrings) {
-		PwEntryV4 entry = (PwEntryV4) super.clone(deepStrings);
-		
-		if (deepStrings) {
-			entry.strings = (HashMap<String, ProtectedString>) strings.clone();
-		}
-		
-		return entry;
-	}
-	
-	@SuppressWarnings("unchecked")
-	public PwEntryV4 cloneDeep() {
-		PwEntryV4 entry = (PwEntryV4) clone(true);
-		
-		entry.binaries = (HashMap<String, ProtectedBinary>) binaries.clone();
-		entry.history = (ArrayList<PwEntryV4>) history.clone();
-		entry.autoType = (AutoType) autoType.clone();
-
-		return entry;
+	public void startToDecodeReference(PwDatabase db) {
+        this.mDatabase = db;
+        this.mDecodeRef = true;
 	}
 
 	@Override
-	public void assign(PwEntry source) {
-		
-		if ( ! (source instanceof PwEntryV4) ) {
-			throw new RuntimeException("DB version mix.");
-		}
-		
-		super.assign(source);
-		
-		PwEntryV4 src = (PwEntryV4) source;
-		assign(src);
-	}
-
-	private void assign(PwEntryV4 source) {
-		parent = source.parent;
-		uuid = source.uuid;
-		strings = source.strings;
-		binaries = source.binaries;
-		customIcon = source.customIcon;
-		foregroundColor = source.foregroundColor;
-		backgroupColor = source.backgroupColor;
-		overrideURL = source.overrideURL;
-		autoType = source.autoType;
-		history = source.history;
-		parentGroupLastMod = source.parentGroupLastMod;
-		creation = source.creation;
-		lastMod = source.lastMod;
-		lastAccess = source.lastAccess;
-		expireDate = source.expireDate;
-		expires = source.expires;
-		usageCount = source.usageCount;
-		url = source.url;
-		additional = source.additional;
-		
+	public void endToDecodeReference(PwDatabase db) {
+        this.mDatabase = null;
+        this.mDecodeRef = false;
 	}
 	
-	@Override
-	public Object clone() {
-		PwEntryV4 newEntry = (PwEntryV4) super.clone();
-		
-		return newEntry;
-	}
-	
-	private String decodeRefKey(boolean decodeRef, String key, PwDatabase db) {
+	private String decodeRefKey(boolean decodeRef, String key) {
 		String text = getString(key);
 		if (decodeRef) {
-			text = decodeRef(text, db);
+			text = decodeRef(text, mDatabase);
 		}
-		
 		return text;
 	}
 
 	private String decodeRef(String text, PwDatabase db) {
 		if (db == null) { return text; }
-		
-		SprEngine spr = SprEngine.getInstance(db);
+		SprEngineV4 spr = new SprEngineV4();
 		return spr.compile(text, this, db);
 	}
 
 	@Override
-	public String getUsername(boolean decodeRef, PwDatabase db) {
-		return decodeRefKey(decodeRef, STR_USERNAME, db);
+	public String getUsername() {
+		return decodeRefKey(mDecodeRef, STR_USERNAME);
 	}
 
 	@Override
-	public String getTitle(boolean decodeRef, PwDatabase db) {
-		return decodeRefKey(decodeRef, STR_TITLE, db);
+	public String getTitle() {
+		return decodeRefKey(mDecodeRef, STR_TITLE);
 	}
 	
 	@Override
-	public String getPassword(boolean decodeRef, PwDatabase db) {
-		return decodeRefKey(decodeRef, STR_PASSWORD, db);
+	public String getPassword() {
+		return decodeRefKey(mDecodeRef, STR_PASSWORD);
 	}
 
 	@Override
-	public Date getLastAccessTime() {
-		return lastAccess;
-	}
-
-	@Override
-	public Date getCreationTime() {
-		return creation;
-	}
-
-	@Override
-	public Date getExpiryTime() {
-		return expireDate;
-	}
-
-	@Override
-	public Date getLastModificationTime() {
-		return lastMod;
-	}
-
-	@Override
-	public void setTitle(String title, PwDatabase d) {
-		PwDatabaseV4 db = (PwDatabaseV4) d;
+	public void setTitle(String title) {
+		PwDatabaseV4 db = (PwDatabaseV4) mDatabase;
 		boolean protect = db.memoryProtection.protectTitle;
 		
 		setString(STR_TITLE, title, protect);
 	}
 
 	@Override
-	public void setUsername(String user, PwDatabase d) {
-		PwDatabaseV4 db = (PwDatabaseV4) d;
+	public void setUsername(String user) {
+		PwDatabaseV4 db = (PwDatabaseV4) mDatabase;
 		boolean protect = db.memoryProtection.protectUserName;
 		
 		setString(STR_USERNAME, user, protect);
 	}
 
 	@Override
-	public void setPassword(String pass, PwDatabase d) {
-		PwDatabaseV4 db = (PwDatabaseV4) d;
+	public void setPassword(String pass) {
+		PwDatabaseV4 db = (PwDatabaseV4) mDatabase;
 		boolean protect = db.memoryProtection.protectPassword;
 		
 		setString(STR_PASSWORD, pass, protect);
 	}
 
 	@Override
-	public void setUrl(String url, PwDatabase d) {
-		PwDatabaseV4 db = (PwDatabaseV4) d;
+	public void setUrl(String url) {
+		PwDatabaseV4 db = (PwDatabaseV4) mDatabase;
 		boolean protect = db.memoryProtection.protectUrl;
 		
 		setString(STR_URL, url, protect);
 	}
 
 	@Override
-	public void setNotes(String notes, PwDatabase d) {
-		PwDatabaseV4 db = (PwDatabaseV4) d;
+	public void setNotes(String notes) {
+		PwDatabaseV4 db = (PwDatabaseV4) mDatabase;
 		boolean protect = db.memoryProtection.protectNotes;
 		
 		setString(STR_NOTES, notes, protect);
 	}
 
-	public void setCreationTime(Date date) {
-		creation = date;
-	}
-
-	public void setExpiryTime(Date date) {
-		expireDate = date;
-	}
-
-	public void setLastAccessTime(Date date) {
-		lastAccess = date;
-	}
-
-	public void setLastModificationTime(Date date) {
-		lastMod = date;
-	}
-
 	@Override
 	public PwGroupV4 getParent() {
 		return parent;
 	}
 
-	@Override
-	public UUID getUUID() {
-		return uuid;
-	}
+    @Override
+    public void setParent(PwGroup parent) {
+        this.parent = (PwGroupV4) parent;
+    }
 
-
-	@Override
-	public void setUUID(UUID u) {
-		uuid = u;
-	}
-	
 	public String getString(String key) {
-		ProtectedString value = strings.get(key);
+		ProtectedString value = fields.get(key);
 		
-		if ( value == null ) return new String("");
+		if ( value == null ) return "";
 		
 		return value.toString();
 	}
 
 	public void setString(String key, String value, boolean protect) {
 		ProtectedString ps = new ProtectedString(protect, value);
-		strings.put(key, ps);
+		fields.put(key, ps);
 	}
 
-	public Date getLocationChanged() {
+	public PwIconCustom getCustomIcon() {
+	    return customIcon;
+    }
+
+    public void setCustomIcon(PwIconCustom icon) {
+	    this.customIcon = icon;
+    }
+
+	public PwDate getLocationChanged() {
 		return parentGroupLastMod;
 	}
 
@@ -333,112 +245,179 @@ public class PwEntryV4 extends PwEntry implements ITimeLogger {
 		return usageCount;
 	}
 
-	public void setLocationChanged(Date date) {
+	public void setLocationChanged(PwDate date) {
 		parentGroupLastMod = date;
 	}
 
 	public void setUsageCount(long count) {
 		usageCount = count;
 	}
-	
-	@Override
-	public boolean expires() {
-		return expires;
-	}
 
-	public void setExpires(boolean exp) {
-		expires = exp;
+	@Override
+	public String getNotes() {
+		return decodeRefKey(mDecodeRef, STR_NOTES);
 	}
 
 	@Override
-	public String getNotes(boolean decodeRef, PwDatabase db) {
-		return decodeRefKey(decodeRef, STR_NOTES, db);
-	}
-
-	@Override
-	public String getUrl(boolean decodeRef, PwDatabase db) {
-		return decodeRefKey(decodeRef, STR_URL, db);
+	public String getUrl() {
+		return decodeRefKey(mDecodeRef, STR_URL);
 	}
 
 	@Override
 	public PwIcon getIcon() {
-		if (customIcon == null || customIcon.uuid.equals(PwDatabaseV4.UUID_ZERO)) {
+		if (customIcon == null || customIcon.uuid.equals(PwDatabase.UUID_ZERO)) {
 			return super.getIcon();
 		} else {
 			return customIcon;
 		}
-		
 	}
 
-	public static boolean IsStandardString(String key) {
-		return key.equals(STR_TITLE) || key.equals(STR_USERNAME) 
-		  || key.equals(STR_PASSWORD) || key.equals(STR_URL)
-		  || key.equals(STR_NOTES);
+	@Override
+	public boolean allowExtraFields() {
+		return true;
 	}
-	
-	public void createBackup(PwDatabaseV4 db) {
-		PwEntryV4 copy = cloneDeep();
-		copy.history = new ArrayList<PwEntryV4>();
-		history.add(copy);
-		
-		if (db != null) maintainBackups(db);
-	}
-	
-	private boolean maintainBackups(PwDatabaseV4 db) {
-		boolean deleted = false;
-		
-		int maxItems = db.historyMaxItems;
-		if (maxItems >= 0) {
-			while (history.size() > maxItems) {
-				removeOldestBackup();
-				deleted = true;
-			}
-		}
-		
-		long maxSize = db.historyMaxSize;
-		if (maxSize >= 0) {
-			while(true) {
-				long histSize = 0;
-				for (PwEntryV4 entry : history) {
-					histSize += entry.getSize();
-				}
-				
-				if (histSize > maxSize) {
-					removeOldestBackup();
-					deleted = true;
-				} else {
-					break;
+
+	public Map<String, ProtectedString> getFields() {
+	    return fields;
+    }
+
+    @Override
+    public Map<String, ProtectedString> getExtraProtectedFields() {
+        Map<String, ProtectedString> protectedFields = super.getExtraProtectedFields();
+        if (fields.size() > 0) {
+            for (Map.Entry<String, ProtectedString> pair : fields.entrySet()) {
+                String key = pair.getKey();
+                if (!PwEntryV4.isStandardField(key)) {
+                    protectedFields.put(key, pair.getValue());
+                }
+            }
+        }
+        return protectedFields;
+    }
+
+    @Override
+	public Map<String, String> getExtraFields() {
+		Map<String, String> extraFields = super.getExtraFields();
+		SprEngineV4 spr = new SprEngineV4();
+		// Display custom fields
+		if (fields.size() > 0) {
+			for (Map.Entry<String, ProtectedString> pair : fields.entrySet()) {
+				String key = pair.getKey();
+                // TODO Add hidden style for protection field
+				if (!PwEntryV4.isStandardField(key)) {
+                    extraFields.put(key, spr.compile(pair.getValue().toString(), this, mDatabase));
 				}
 			}
 		}
-		
-		return deleted;
+		return extraFields;
 	}
-	
-	private void removeOldestBackup() {
-		Date min = null;
-		int index = -1;
-		
-		for (int i = 0; i < history.size(); i++) {
-			PwEntry entry = history.get(i);
-			Date lastMod = entry.getLastModificationTime();
-			if ((min == null) || lastMod.before(min)) {
-				index = i;
-				min = lastMod;
-			}
-		}
-		
-		if (index != -1) {
-			history.remove(index);
-		}
-	}
-	
-	
-	private static final long FIXED_LENGTH_SIZE = 128; // Approximate fixed length size
+
+    private static boolean isStandardField(String key) {
+        return key.equals(STR_TITLE) || key.equals(STR_USERNAME)
+                || key.equals(STR_PASSWORD) || key.equals(STR_URL)
+                || key.equals(STR_NOTES);
+    }
+
+	public void addField(String label, ProtectedString value) {
+	    fields.put(label, value);
+    }
+
+    @Override
+    public void removeExtraFields() {
+        Iterator<Entry<String, ProtectedString>> iter = fields.entrySet().iterator();
+        while (iter.hasNext()) {
+            Map.Entry<String, ProtectedString> pair = iter.next();
+            if (!PwEntryV4.isStandardField(pair.getKey())) {
+                iter.remove();
+            }
+        }
+    }
+
+    public HashMap<String, ProtectedBinary> getBinaries() {
+        return binaries;
+    }
+
+    public void putProtectedBinary(String key, ProtectedBinary value) {
+	    binaries.put(key, value);
+    }
+
+    public String getForegroundColor() {
+	    return foregroundColor;
+    }
+
+    public void setForegroundColor(String color) {
+        this.foregroundColor = color;
+    }
+
+    public String getBackgroupColor() {
+        return backgroupColor;
+    }
+
+    public void setBackgroupColor(String color) {
+        this.backgroupColor = color;
+    }
+
+    public String getOverrideURL() {
+        return overrideURL;
+    }
+
+    public void setOverrideURL(String overrideURL) {
+        this.overrideURL = overrideURL;
+    }
+
+    public AutoType getAutoType() {
+        return autoType;
+    }
+
+    public void setAutoType(AutoType autoType) {
+        this.autoType = autoType;
+    }
+
+    public ArrayList<PwEntryV4> getHistory() {
+        return history;
+    }
+
+    public void setHistory(ArrayList<PwEntryV4> history) {
+        this.history = history;
+    }
+
+    public void addToHistory(PwEntryV4 entry) {
+	    history.add(entry);
+    }
+
+    public int sizeOfHistory() {
+	    return history.size();
+    }
+
+    public String getAdditional() {
+        return additional;
+    }
+
+    public void setAdditional(String additional) {
+        this.additional = additional;
+    }
+
+    public String getTags() {
+        return tags;
+    }
+
+    public void setTags(String tags) {
+        this.tags = tags;
+    }
+
+    public void putCustomData(String key, String value) {
+        customData.put(key, value);
+    }
+
+    public boolean containsCustomData() {
+        return customData.size() > 0;
+    }
+
+    private static final long FIXED_LENGTH_SIZE = 128; // Approximate fixed length size
 	public long getSize() {
 		long size = FIXED_LENGTH_SIZE;
 		
-		for (Entry<String, ProtectedString> pair : strings.entrySet()) {
+		for (Entry<String, ProtectedString> pair : fields.entrySet()) {
 			size += pair.getKey().length();
 			size += pair.getValue().length();
 		}
@@ -464,6 +443,68 @@ public class PwEntryV4 extends PwEntry implements ITimeLogger {
 		return size;
 	}
 
+	@Override
+	public void createBackup(PwDatabase db) {
+	    super.createBackup(db);
+
+        PwEntryV4 copy = clone();
+        copy.history = new ArrayList<>();
+        history.add(copy);
+
+        if (db != null)
+	        if (db instanceof PwDatabaseV4)
+                maintainBackups((PwDatabaseV4) db);
+	}
+
+	private boolean maintainBackups(PwDatabaseV4 db) {
+		boolean deleted = false;
+
+		int maxItems = db.historyMaxItems;
+		if (maxItems >= 0) {
+			while (history.size() > maxItems) {
+				removeOldestBackup();
+				deleted = true;
+			}
+		}
+
+		long maxSize = db.historyMaxSize;
+		if (maxSize >= 0) {
+			while(true) {
+				long histSize = 0;
+				for (PwEntryV4 entry : history) {
+					histSize += entry.getSize();
+				}
+
+				if (histSize > maxSize) {
+					removeOldestBackup();
+					deleted = true;
+				} else {
+					break;
+				}
+			}
+		}
+
+		return deleted;
+	}
+
+	private void removeOldestBackup() {
+		Date min = null;
+		int index = -1;
+
+		for (int i = 0; i < history.size(); i++) {
+			PwEntry entry = history.get(i);
+			Date lastMod = entry.getLastModificationTime().getDate();
+			if ((min == null) || lastMod.before(min)) {
+				index = i;
+				min = lastMod;
+			}
+		}
+
+		if (index != -1) {
+			history.remove(index);
+		}
+	}
+
 	@Override
 	public void touch(boolean modified, boolean touchParents) {
 		super.touch(modified, touchParents);
@@ -473,19 +514,13 @@ public class PwEntryV4 extends PwEntry implements ITimeLogger {
 
 	@Override
 	public void touchLocation() {
-		parentGroupLastMod = new Date();
-	}
-	
-	@Override
-	public void setParent(PwGroup parent) {
-		this.parent = (PwGroupV4) parent;
+		parentGroupLastMod = new PwDate();
 	}
 	
 	public boolean isSearchingEnabled() {
 		if (parent != null) {
 			return parent.isSearchEnabled();
 		}
-		
 		return PwGroupV4.DEFAULT_SEARCHING_ENABLED;
 	}
 }

app/src/main/java/com/keepassdroid/database/PwGroup.java

@@ -19,75 +19,126 @@
  */
 package com.keepassdroid.database;
 
+import com.keepassdroid.utils.StrUtil;
+
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
-import java.util.Date;
 import java.util.List;
 
-import com.keepassdroid.utils.StrUtil;
+public abstract class PwGroup extends PwNode {
 
-public abstract class PwGroup {
-	public List<PwGroup> childGroups = new ArrayList<PwGroup>();
-	public List<PwEntry> childEntries = new ArrayList<PwEntry>();
-	public String name = "";
-	public PwIconStandard icon;
+    protected String name = "";
+
+	protected List<PwGroup> childGroups = new ArrayList<>();
+	protected List<PwEntry> childEntries = new ArrayList<>();
+
+    public void initNewGroup(String nm, PwGroupId newId) {
+        setId(newId);
+        name = nm;
+    }
+
+    public List<PwGroup> getChildGroups() {
+        return childGroups;
+    }
+
+    public List<PwEntry> getChildEntries() {
+        return childEntries;
+    }
+
+    public void setGroups(List<PwGroup> groups) {
+        childGroups = groups;
+    }
+
+    public void setEntries(List<PwEntry> entries) {
+        childEntries = entries;
+    }
+
+    public void addChildGroup(PwGroup group) {
+        this.childGroups.add(group);
+    }
+
+    public void addChildEntry(PwEntry entry) {
+        this.childEntries.add(entry);
+    }
+
+    // Todo parameter type
+    public PwGroup getChildGroupAt(int number) {
+        return this.childGroups.get(number);
+    }
+
+    public PwEntry getChildEntryAt(int number) {
+        return this.childEntries.get(number);
+    }
+
+    public void removeChildGroup(PwGroup group) {
+        this.childGroups.remove(group);
+    }
+
+    public void removeChildEntry(PwEntry entry) {
+        this.childEntries.remove(entry);
+    }
+
+    public int numbersOfChildGroups() {
+        return childGroups.size();
+    }
+
+    public int numbersOfChildEntries() {
+        return childEntries.size();
+    }
+
+    @Override
+	public Type getType() {
+		return Type.GROUP;
+	}
+
+    /**
+     * Filter MetaStream entries and return children
+     * @return List of direct children (one level below) as PwNode
+     */
+    public List<PwNode> getDirectChildren() {
+        List<PwNode> children = new ArrayList<>();
+        children.addAll(childGroups);
+        for(PwEntry child : childEntries) {
+            if (!child.isMetaStream())
+            children.add(child);
+        }
+        return children;
+    }
+
+    public boolean isContainedIn(PwGroup container) {
+        PwGroup cur = this;
+        while (cur != null) {
+            if (cur == container) {
+                return true;
+            }
+            cur = cur.getParent();
+        }
+        return false;
+    }
 
-	public abstract PwGroup getParent();
-	public abstract void setParent(PwGroup parent);
-	
 	public abstract PwGroupId getId();
 	public abstract void setId(PwGroupId id);
 
-	public abstract String getName();
-	
-	public abstract Date getLastMod();
-	
-	public PwIcon getIcon() {
-		return icon;
-	}
+    @Override
+    public String getDisplayTitle() {
+        return getName();
+    }
 
-	public void sortGroupsByName() {
-		Collections.sort(childGroups, new GroupNameComparator());
-	}
+    public String getName() {
+        return name;
+    }
 
-	public static class GroupNameComparator implements Comparator<PwGroup> {
+    public void setName(String name) {
+        this.name = name;
+    }
 
-		public int compare(PwGroup object1, PwGroup object2) {
-			return object1.getName().compareToIgnoreCase(object2.getName());
-		}
-		
-	}
-	
-	public abstract void setLastAccessTime(Date date);
-
-	public abstract void setLastModificationTime(Date date);
-	
-	public void sortEntriesByName() {
-		Collections.sort(childEntries, new PwEntry.EntryNameComparator());
-	}
-	
-	public void initNewGroup(String nm, PwGroupId newId) {
-		setId(newId);
-		name = nm;
-	}
-	
-	public boolean isContainedIn(PwGroup container) {
-		PwGroup cur = this;
-		while (cur != null) {
-			if (cur == container) {
-				return true;
-			}
-			
-			cur = cur.getParent();
-		}
-		
+	public boolean allowAddEntryIfIsRoot() {
 		return false;
 	}
-	
+
 	public void touch(boolean modified, boolean touchParents) {
-		Date now = new Date();
-		
+		PwDate now = new PwDate();
 		setLastAccessTime(now);
 		
 		if (modified) {
@@ -100,7 +151,6 @@ public abstract class PwGroup {
 		}
 	}
 	
-	
 	public void searchEntries(SearchParameters sp, List<PwEntry> listStorage) {
 		if (sp == null)  { return; }
 		if (listStorage == null) { return; }
@@ -147,7 +197,6 @@ public abstract class PwGroup {
 						complement.add(entry);
 					}
 				}
-				
 				pg = complement;
 			}
 			else {
@@ -181,19 +230,30 @@ public abstract class PwGroup {
 		if (entryHandler != null) {
 			for (PwEntry entry : childEntries) {
 				if (!entryHandler.operate(entry)) return false;
-				
 			}
 		}
 	
 		for (PwGroup group : childGroups) {
-			
 			if ((groupHandler != null) && !groupHandler.operate(group)) return false;
-			
 			group.preOrderTraverseTree(groupHandler, entryHandler);
 		}
 		
-		
 		return true;
-		
 	}
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        PwGroup pwGroup = (PwGroup) o;
+        return isSameType(pwGroup)
+                && (getId() != null ? getId().equals(pwGroup.getId()) : pwGroup.getId() == null);
+    }
+
+    @Override
+    public int hashCode() {
+        PwGroupId groupId = getId();
+        return groupId != null ? groupId.hashCode() : 0;
+    }
 }

app/src/main/java/com/keepassdroid/database/PwGroupId.java

@@ -1,5 +1,7 @@
 package com.keepassdroid.database;
 
-public abstract class PwGroupId {
+import java.io.Serializable;
+
+public abstract class PwGroupId implements Serializable {
 
 }

app/src/main/java/com/keepassdroid/database/PwGroupIdV3.java

@@ -32,20 +32,17 @@ public class PwGroupIdV3 extends PwGroupId {
 		if ( ! (compare instanceof PwGroupIdV3) ) {
 			return false;
 		}
-		
 		PwGroupIdV3 cmp = (PwGroupIdV3) compare;
 		return id == cmp.id;
 	}
 
 	@Override
 	public int hashCode() {
-		Integer i = Integer.valueOf(id);
+		Integer i = id;
 		return i.hashCode();
 	}
 	
 	public int getId() {
 		return id;
 	}
-	
-
 }

app/src/main/java/com/keepassdroid/database/PwGroupIdV4.java

@@ -14,9 +14,7 @@ public class PwGroupIdV4 extends PwGroupId {
 		if ( ! (id instanceof PwGroupIdV4) ) {
 			return false;
 		}
-		
 		PwGroupIdV4 v4 = (PwGroupIdV4) id;
-		
 		return uuid.equals(v4.uuid);
 	}
 	
@@ -28,5 +26,4 @@ public class PwGroupIdV4 extends PwGroupId {
 	public UUID getId() {
 		return uuid;
 	}
-
 }

app/src/main/java/com/keepassdroid/database/PwGroupV3.java

@@ -1,15 +1,5 @@
 /*
  * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
-
-This file was derived from
-
-Copyright 2007 Naomaru Itoi <nao@phoneid.org>
-
-This file was derived from 
-
-Java clone of KeePass - A KeePass file viewer for Java
-Copyright 2006 Bill Zwicky <billzwicky@users.sourceforge.net>
-
  *     
  * This file is part of KeePass DX.
  *
@@ -30,12 +20,6 @@ Copyright 2006 Bill Zwicky <billzwicky@users.sourceforge.net>
 
 package com.keepassdroid.database;
 
-import java.util.Calendar;
-import java.util.Date;
-import java.util.List;
-
-
-
 /**
  * @author Brian Pellin <bpellin@gmail.com>
  * @author Naomaru Itoi <nao@phoneid.org>
@@ -43,42 +27,47 @@ import java.util.List;
  * @author Dominik Reichl <dominik.reichl@t-online.de>
  */
 public class PwGroupV3 extends PwGroup {
-  public PwGroupV3() {
-  }
-
-	public String toString() {
-		return name;
-	}
-
-	public static final Date NEVER_EXPIRE = PwEntryV3.NEVER_EXPIRE;
-	
-	/** Size of byte buffer needed to hold this struct. */
-	public static final int BUF_SIZE = 124;
 
 	// for tree traversing
-	public PwGroupV3 parent = null;
+	private PwGroupV3 parent = null;
+	private int groupId;
 
-	public int groupId;
-
-	public PwDate tCreation;
-	public PwDate tLastMod;
-	public PwDate tLastAccess;
-	public PwDate tExpire;
-
-	public int level; // short
+	private int level = 0; // short
 
 	/** Used by KeePass internally, don't use */
-	public int flags;
-	
-	public void setGroups(List<PwGroup> groups) {
-		childGroups = groups;
-	}
-	
+	private int flags;
+
+    public PwGroupV3() {
+        super();
+    }
+
 	@Override
 	public PwGroup getParent() {
 		return parent;
 	}
 
+    @Override
+    public void setParent(PwGroup prt) {
+        parent = (PwGroupV3) prt;
+        level = parent.getLevel() + 1;
+    }
+
+    public int getGroupId() {
+        return groupId;
+    }
+
+    public void setGroupId(int groupId) {
+        this.groupId = groupId;
+    }
+
+    public int getLevel() {
+        return level;
+    }
+
+    public void setLevel(int level) {
+        this.level = level;
+    }
+
 	@Override
 	public PwGroupId getId() {
 		return new PwGroupIdV3(groupId);
@@ -90,69 +79,27 @@ public class PwGroupV3 extends PwGroup {
 		groupId = id3.getId();
 	}
 
-	@Override
-	public String getName() {
-		return name;
-	}
+	public int getFlags() {
+	    return flags;
+    }
+
+    public void setFlags(int flags) {
+	    this.flags = flags;
+    }
 
 	@Override
-	public Date getLastMod() {
-		return tLastMod.getJDate();
-	}
+    public String toString() {
+        return getName();
+    }
 
-	@Override
-	public void setParent(PwGroup prt) {
-		parent = (PwGroupV3) prt;
-		level = parent.level + 1;
-		
-	}
-
-	@Override
-	public void initNewGroup(String nm, PwGroupId newId) {
-		super.initNewGroup(nm, newId);
-		
-		Date now = Calendar.getInstance().getTime();
-		tCreation = new PwDate(now);
-		tLastAccess = new PwDate(now);
-		tLastMod = new PwDate(now);
-		tExpire = new PwDate(PwGroupV3.NEVER_EXPIRE);
-
-	}
-	
-	public void populateBlankFields(PwDatabaseV3 db) {
-		if (icon == null) {
-			icon = db.iconFactory.getIcon(1);
-		}
-		
-		if (name == null) {
-			name = "";
-		}
-		
-		if (tCreation == null) {
-			tCreation = PwEntryV3.DEFAULT_PWDATE;
-		}
-		
-		if (tLastMod == null) {
-			tLastMod = PwEntryV3.DEFAULT_PWDATE;
-		}
-		
-		if (tLastAccess == null) {
-			tLastAccess = PwEntryV3.DEFAULT_PWDATE;
-		}
-		
-		if (tExpire == null) {
-			tExpire = PwEntryV3.DEFAULT_PWDATE;
-		}
-	}
-
-	@Override
-	public void setLastAccessTime(Date date) {
-		tLastAccess = new PwDate(date);
-	}
-
-	@Override
-	public void setLastModificationTime(Date date) {
-		tLastMod = new PwDate(date);
-	}
+    public void populateBlankFields(PwDatabaseV3 db) {
+	    // TODO populate blanck field
+        if (icon == null) {
+            icon = db.iconFactory.getIcon(1);
+        }
 
+        if (name == null) {
+            name = "";
+        }
+    }
 }

app/src/main/java/com/keepassdroid/database/PwGroupV4.java

@@ -19,107 +19,84 @@
  */
 package com.keepassdroid.database;
 
-import java.util.Date;
 import java.util.HashMap;
-import java.util.List;
 import java.util.Map;
 import java.util.UUID;
 
 public class PwGroupV4 extends PwGroup implements ITimeLogger {
 
-	//public static final int FOLDER_ICON = 48;
 	public static final boolean DEFAULT_SEARCHING_ENABLED = true;
-	
-	public PwGroupV4 parent = null;
-	public UUID uuid = PwDatabaseV4.UUID_ZERO;
-	public String notes = "";
-	public PwIconCustom customIcon = PwIconCustom.ZERO;
-	public boolean isExpanded = true;
-	public String defaultAutoTypeSequence = "";
-	public Boolean enableAutoType = null;
-	public Boolean enableSearching = null;
-	public UUID lastTopVisibleEntry = PwDatabaseV4.UUID_ZERO;
-	private Date parentGroupLastMod = PwDatabaseV4.DEFAULT_NOW;
-	private Date creation = PwDatabaseV4.DEFAULT_NOW;
-	private Date lastMod = PwDatabaseV4.DEFAULT_NOW;
-	private Date lastAccess = PwDatabaseV4.DEFAULT_NOW;
-	private Date expireDate = PwDatabaseV4.DEFAULT_NOW;
-	private boolean expires = false;
-	private long usageCount = 0;
-	public Map<String, String> customData = new HashMap<String, String>();
+
+	private PwGroupV4 parent = null;
+	private UUID uuid = PwDatabase.UUID_ZERO;
+	private PwIconCustom customIcon = PwIconCustom.ZERO;
+    private long usageCount = 0;
+    private PwDate parentGroupLastMod = new PwDate();
+    private Map<String, String> customData = new HashMap<>();
+
+    private boolean expires = false;
+
+    private String notes = "";
+	private boolean isExpanded = true;
+	private String defaultAutoTypeSequence = "";
+	private Boolean enableAutoType = null;
+	private Boolean enableSearching = null;
+	private UUID lastTopVisibleEntry = PwDatabase.UUID_ZERO;
 
 	public PwGroupV4() {
-		
-	}
+	    super();
+    }
 	
-	public PwGroupV4(boolean createUUID, boolean setTimes, String name, PwIconStandard icon) {
-		if (createUUID) {
-			uuid = UUID.randomUUID();
-		}
-		
-		if (setTimes) {
-			creation = lastMod = lastAccess = new Date();
-		}
-		
+	public PwGroupV4(String name, PwIconStandard icon) {
+		super.construct();
+		this.uuid = UUID.randomUUID();
 		this.name = name;
 		this.icon = icon;
 	}
+
+    @Override
+    public void initNewGroup(String nm, PwGroupId newId) {
+        super.initNewGroup(nm, newId);
+        parentGroupLastMod = new PwDate();
+    }
 	
-	public void AddGroup(PwGroupV4 subGroup, boolean takeOwnership) {
-		AddGroup(subGroup, takeOwnership, false);
-	}
-	
-	public void AddGroup(PwGroupV4 subGroup, boolean takeOwnership, boolean updateLocationChanged) {
+	public void AddGroup(PwGroupV4 subGroup) {
 		if ( subGroup == null ) throw new RuntimeException("subGroup");
-		
 		childGroups.add(subGroup);
-		
-		if ( takeOwnership ) subGroup.parent = this;
-		
-		if ( updateLocationChanged ) subGroup.parentGroupLastMod = new Date(System.currentTimeMillis());
-		
-	}
+        subGroup.parent = this;
+    }
 	
-	public void AddEntry(PwEntryV4 pe, boolean takeOwnership) {
-		AddEntry(pe, takeOwnership, false);
-	}
-	
-	public void AddEntry(PwEntryV4 pe, boolean takeOwnership, boolean updateLocationChanged) {
+	public void AddEntry(PwEntryV4 pe) {
 		assert(pe != null);
-		
-		childEntries.add(pe);
-		
-		if ( takeOwnership ) pe.parent = this;
-		
-		if ( updateLocationChanged ) pe.setLocationChanged(new Date(System.currentTimeMillis()));
-	}
+		addChildEntry(pe);
+        pe.setParent(this);
+    }
 	
 	@Override
 	public PwGroup getParent() {
 		return parent;
 	}
-	
-	public void buildChildGroupsRecursive(List<PwGroup> list) {
-		list.add(this);
-		
-		for ( int i = 0; i < childGroups.size(); i++) {
-			PwGroupV4 child = (PwGroupV4) childGroups.get(i);
-			child.buildChildGroupsRecursive(list);
-			
-		}
-	}
 
-	public void buildChildEntriesRecursive(List<PwEntry> list) {
-		for ( int i = 0; i < childEntries.size(); i++ ) {
-			list.add(childEntries.get(i));
-		}
-		
-		for ( int i = 0; i < childGroups.size(); i++ ) {
-			PwGroupV4 child = (PwGroupV4) childGroups.get(i);
-			child.buildChildEntriesRecursive(list);
-		}
-		
-	}
+    @Override
+    public void setParent(PwGroup prt) {
+        parent = (PwGroupV4) prt;
+    }
+
+    public UUID getUUID() {
+        return uuid;
+    }
+
+    public void setUUID(UUID uuid) {
+        this.uuid = uuid;
+    }
+
+    public PwIconCustom getCustomIcon() {
+        return customIcon;
+    }
+
+    public void setCustomIcon(PwIconCustom icon) {
+        this.customIcon = icon;
+    }
 
 	@Override
 	public PwGroupId getId() {
@@ -133,97 +110,106 @@ public class PwGroupV4 extends PwGroup implements ITimeLogger {
 	}
 
 	@Override
-	public String getName() {
-		return name;
-	}
-
-	@Override
-	public Date getLastMod() {
+	public PwDate getLocationChanged() {
 		return parentGroupLastMod;
 	}
 
-	public Date getCreationTime() {
-		return creation;
-	}
-
-	public Date getExpiryTime() {
-		return expireDate;
-	}
-
-	public Date getLastAccessTime() {
-		return lastAccess;
-	}
-
-	public Date getLastModificationTime() {
-		return lastMod;
-	}
-
-	public Date getLocationChanged() {
-		return parentGroupLastMod;
-	}
-
-	public long getUsageCount() {
-		return usageCount;
-	}
-
-	public void setCreationTime(Date date) {
-		creation = date;
-		
-	}
-
-	public void setExpiryTime(Date date) {
-		expireDate = date;
-	}
-
 	@Override
-	public void setLastAccessTime(Date date) {
-		lastAccess = date;
-	}
-
-	@Override
-	public void setLastModificationTime(Date date) {
-		lastMod = date;
-	}
-
-	public void setLocationChanged(Date date) {
+	public void setLocationChanged(PwDate date) {
 		parentGroupLastMod = date;
 	}
 
+    @Override
+    public long getUsageCount() {
+        return usageCount;
+    }
+
+	@Override
 	public void setUsageCount(long count) {
 		usageCount = count;
 	}
 
+	@Override
 	public boolean expires() {
 		return expires;
 	}
 
+	@Override
 	public void setExpires(boolean exp) {
 		expires = exp;
 	}
 
 	@Override
-	public void setParent(PwGroup prt) {
-		parent = (PwGroupV4) prt;
-		
+	public boolean allowAddEntryIfIsRoot() {
+		return true;
 	}
 
 	@Override
 	public PwIcon getIcon() {
-		if (customIcon == null || customIcon.uuid.equals(PwDatabaseV4.UUID_ZERO)) {
+		if (customIcon == null || customIcon.uuid.equals(PwDatabase.UUID_ZERO)) {
 			return super.getIcon();
 		} else {
 			return customIcon;
 		}
 	}
-	
-	@Override
-	public void initNewGroup(String nm, PwGroupId newId) {
-		super.initNewGroup(nm, newId);
-		
-		lastAccess = lastMod = creation = parentGroupLastMod = new Date();
-	}
-	
-	public boolean isSearchEnabled() {
+
+    public void putCustomData(String key, String value) {
+        customData.put(key, value);
+    }
+
+    public boolean containsCustomData() {
+	    return customData.size() > 0;
+    }
+
+    public String getNotes() {
+        return notes;
+    }
+
+    public void setNotes(String notes) {
+        this.notes = notes;
+    }
+
+    public boolean isExpanded() {
+        return isExpanded;
+    }
+
+    public void setExpanded(boolean expanded) {
+        isExpanded = expanded;
+    }
+
+    public String getDefaultAutoTypeSequence() {
+        return defaultAutoTypeSequence;
+    }
+
+    public void setDefaultAutoTypeSequence(String defaultAutoTypeSequence) {
+        this.defaultAutoTypeSequence = defaultAutoTypeSequence;
+    }
+
+    public Boolean getEnableAutoType() {
+        return enableAutoType;
+    }
+
+    public void setEnableAutoType(Boolean enableAutoType) {
+        this.enableAutoType = enableAutoType;
+    }
+
+    public Boolean getEnableSearching() {
+        return enableSearching;
+    }
+
+    public void setEnableSearching(Boolean enableSearching) {
+        this.enableSearching = enableSearching;
+    }
+
+    public UUID getLastTopVisibleEntry() {
+        return lastTopVisibleEntry;
+    }
+
+    public void setLastTopVisibleEntry(UUID lastTopVisibleEntry) {
+        this.lastTopVisibleEntry = lastTopVisibleEntry;
+    }
+
+    public boolean isSearchEnabled() {
 		PwGroupV4 group = this;
 		while (group != null) {
 			Boolean search = group.enableSearching;

app/src/main/java/com/keepassdroid/database/PwIcon.java

@@ -1,12 +1,10 @@
 package com.keepassdroid.database;
 
-public abstract class PwIcon {
-	
+import java.io.Serializable;
+
+public abstract class PwIcon implements Serializable {
+
 	public boolean isMetaStreamIcon() {
 		return false;
 	}
-	
-	public void writeBytes() {
-	}
-	
 }

app/src/main/java/com/keepassdroid/database/PwIconCustom.java

@@ -22,7 +22,7 @@ package com.keepassdroid.database;
 import java.util.UUID;
 
 public class PwIconCustom extends PwIcon {
-	public static final PwIconCustom ZERO = new PwIconCustom(PwDatabaseV4.UUID_ZERO, new byte[0]);
+	public static final PwIconCustom ZERO = new PwIconCustom(PwDatabase.UUID_ZERO, new byte[0]);
 	
 	public final UUID uuid;
 	public byte[] imageData;
@@ -32,6 +32,11 @@ public class PwIconCustom extends PwIcon {
 		imageData = data;
 	}
 
+    public PwIconCustom(PwIconCustom icon) {
+        uuid = icon.uuid;
+        imageData = icon.imageData;
+    }
+
 	@Override
 	public int hashCode() {
 		final int prime = 31;

app/src/main/java/com/keepassdroid/database/PwIconStandard.java

@@ -32,6 +32,10 @@ public class PwIconStandard extends PwIcon {
 		this.iconId = iconId;
 	}
 
+    public PwIconStandard(PwIconStandard icon) {
+        this.iconId = icon.iconId;
+    }
+
 	@Override
 	public boolean isMetaStreamIcon() {
 		return iconId == 0;

app/src/main/java/com/keepassdroid/database/PwNode.java

@@ -0,0 +1,165 @@
+/*
+ * Copyright 2018 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 2 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.keepassdroid.database;
+
+import java.io.Serializable;
+
+import static com.keepassdroid.database.PwDate.NEVER_EXPIRE;
+import static com.keepassdroid.database.PwDate.PW_NEVER_EXPIRE;
+
+/**
+ * Abstract class who manage Groups and Entries
+ */
+public abstract class PwNode implements ISmallTimeLogger, Serializable {
+
+    protected PwIconStandard icon = PwIconStandard.FIRST;
+
+    protected PwDate creation = new PwDate();
+    protected PwDate lastMod = new PwDate();
+    protected PwDate lastAccess = new PwDate();
+    protected PwDate expireDate = new PwDate(NEVER_EXPIRE);
+
+    protected void construct() {
+    }
+
+    public void assign(PwNode source) {
+        this.icon = source.icon;
+
+        this.creation = source.creation;
+        this.lastMod = source.lastMod;
+        this.lastAccess = source.lastAccess;
+        this.expireDate = source.expireDate;
+    }
+
+    protected void addCloneAttributesToNewEntry(PwEntry newEntry) {
+        newEntry.icon = new PwIconStandard(this.icon);
+
+        newEntry.creation = creation.clone();
+        newEntry.lastMod = lastMod.clone();
+        newEntry.lastAccess = lastAccess.clone();
+        newEntry.expireDate = expireDate.clone();
+    }
+
+    /**
+     * Type of available Nodes
+     */
+    public enum Type {
+        GROUP, ENTRY
+    }
+
+    /**
+     * @return Type of Node
+     */
+    public abstract Type getType();
+
+    /**
+     * @return Title to display as view
+     */
+    public abstract String getDisplayTitle();
+
+    /**
+     * @return Visual icon
+     */
+    public PwIcon getIcon() {
+        return icon;
+    }
+
+    public PwIconStandard getIconStandard() {
+        return icon;
+    }
+
+    public void setIcon(PwIconStandard icon) {
+        this.icon = icon;
+    }
+
+    /**
+     * Retrieve the parent node
+     * @return PwGroup parent as group
+     */
+    public abstract PwGroup getParent();
+
+    /**
+     * Assign a parent to this node
+     */
+    public abstract void setParent(PwGroup parent);
+
+    public PwDate getCreationTime() {
+        return creation;
+    }
+
+    public void setCreationTime(PwDate date) {
+        creation = date;
+    }
+
+    public PwDate getLastModificationTime() {
+        return lastMod;
+    }
+
+    public void setLastModificationTime(PwDate date) {
+        lastMod = date;
+    }
+
+    public PwDate getLastAccessTime() {
+        return lastAccess;
+    }
+
+    public void setLastAccessTime(PwDate date) {
+        lastAccess = date;
+    }
+
+    public PwDate getExpiryTime() {
+        return expireDate;
+    }
+
+    public void setExpiryTime(PwDate date) {
+        expireDate = date;
+    }
+
+    public void setExpires(boolean expires) {
+        if (!expires) {
+            expireDate = PW_NEVER_EXPIRE;
+        }
+    }
+
+    public boolean expires() {
+        return ! PwDate.IsSameDate(NEVER_EXPIRE, expireDate.getDate());
+    }
+
+    /**
+     * If the content (type, title, icon) is visually the same
+     * @param o Node to compare
+     * @return True if visually as o
+     */
+    public boolean isContentVisuallyTheSame(PwNode o) {
+        return getType().equals(o.getType())
+                && getDisplayTitle().equals(o.getDisplayTitle())
+                && getIcon().equals(o.getIcon());
+    }
+
+    /**
+     * Define if it's the same type of another node
+     * @param otherNode The other node to test
+     * @return true if both have the same type
+     */
+    boolean isSameType(PwNode otherNode) {
+        return getType() != null ? getType().equals(otherNode.getType()) : otherNode.getType() == null;
+    }
+}

app/src/main/java/com/keepassdroid/database/PwVersion.java

@@ -0,0 +1,5 @@
+package com.keepassdroid.database;
+
+public enum PwVersion {
+    V3, V4
+}

app/src/main/java/com/keepassdroid/database/SortNodeEnum.java

@@ -0,0 +1,266 @@
+/*
+ * Copyright 2018 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 2 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.keepassdroid.database;
+
+import java.util.Comparator;
+
+public enum SortNodeEnum {
+    DB, TITLE, USERNAME, CREATION_TIME, LAST_MODIFY_TIME, LAST_ACCESS_TIME;
+
+    public Comparator<PwNode> getNodeComparator(boolean ascending, boolean groupsBefore) {
+        switch (this) {
+            case DB:
+                return new NodeCreationComparator(ascending, groupsBefore); // TODO Sort
+            default:
+            case TITLE:
+                return new NodeTitleComparator(ascending, groupsBefore);
+            case USERNAME:
+                return new NodeCreationComparator(ascending, groupsBefore); // TODO Sort
+            case CREATION_TIME:
+                return new NodeCreationComparator(ascending, groupsBefore);
+            case LAST_MODIFY_TIME:
+                return new NodeCreationComparator(ascending, groupsBefore); // TODO Sort
+            case LAST_ACCESS_TIME:
+                return new NodeCreationComparator(ascending, groupsBefore); // TODO Sort
+        }
+    }
+
+    private static abstract class NodeComparator implements Comparator<PwNode> {
+        boolean ascending;
+        boolean groupsBefore;
+
+        NodeComparator(boolean ascending, boolean groupsBefore) {
+            this.ascending = ascending;
+            this.groupsBefore = groupsBefore;
+        }
+    }
+
+    /**
+     * Comparator of Node by Title, Groups first, Entries second
+     */
+    public static class NodeTitleComparator extends NodeComparator {
+
+        public NodeTitleComparator(boolean ascending, boolean groupsBefore) {
+            super(ascending, groupsBefore);
+        }
+
+        public int compare(PwNode object1, PwNode object2) {
+            if (object1.equals(object2))
+                return 0;
+
+            if (object1 instanceof PwGroup) {
+                if (object2 instanceof PwGroup) {
+                    return new GroupNameComparator(ascending)
+                            .compare((PwGroup) object1, (PwGroup) object2);
+                } else if (object2 instanceof PwEntry) {
+                    if(groupsBefore)
+                        return -1;
+                    else
+                        return 1;
+                } else {
+                    return -1;
+                }
+            } else if (object1 instanceof PwEntry) {
+                if(object2 instanceof PwEntry) {
+                    return new EntryNameComparator(ascending)
+                            .compare((PwEntry) object1, (PwEntry) object2);
+                } else if (object2 instanceof PwGroup) {
+                    if(groupsBefore)
+                        return 1;
+                    else
+                        return -1;
+                } else {
+                    return -1;
+                }
+            }
+            int nodeNameComp = object1.getDisplayTitle()
+                    .compareToIgnoreCase(object2.getDisplayTitle());
+            // If same name, can be different
+            if (nodeNameComp == 0)
+                return object1.hashCode() - object2.hashCode();
+            return nodeNameComp;
+        }
+    }
+
+    /**
+     * Comparator of node by creation, Groups first, Entries second
+     */
+    public static class NodeCreationComparator extends NodeComparator {
+
+
+        public NodeCreationComparator(boolean ascending, boolean groupsBefore) {
+            super(ascending, groupsBefore);
+        }
+
+        @Override
+        public int compare(PwNode object1, PwNode object2) {
+            if (object1.equals(object2))
+                return 0;
+
+            if (object1 instanceof PwGroup) {
+                if (object2 instanceof PwGroup) {
+                    return new GroupCreationComparator(ascending)
+                            .compare((PwGroup) object1, (PwGroup) object2);
+                } else if (object2 instanceof PwEntry) {
+                    if(groupsBefore)
+                        return -1;
+                    else
+                        return 1;
+                } else {
+                    return -1;
+                }
+            } else if (object1 instanceof PwEntry) {
+                if(object2 instanceof PwEntry) {
+                    return new EntryCreationComparator(ascending)
+                            .compare((PwEntry) object1, (PwEntry) object2);
+                } else if (object2 instanceof PwGroup) {
+                    if(groupsBefore)
+                        return 1;
+                    else
+                        return -1;
+                } else {
+                    return -1;
+                }
+            }
+            int nodeCreationComp = object1.getCreationTime().getDate()
+                    .compareTo(object2.getCreationTime().getDate());
+            // If same creation, can be different
+            if (nodeCreationComp == 0) {
+                return object1.hashCode() - object2.hashCode();
+            }
+            return nodeCreationComp;
+        }
+    }
+
+    /**
+     * Group comparator by name
+     */
+    public static class GroupNameComparator implements Comparator<PwGroup> {
+
+        private boolean ascending;
+
+        public GroupNameComparator(boolean ascending) {
+            this.ascending = ascending;
+        }
+
+        public int compare(PwGroup object1, PwGroup object2) {
+            if (object1.equals(object2))
+                return 0;
+
+            int groupNameComp = object1.getName().compareToIgnoreCase(object2.getName());
+            // If same name, can be different
+            if (groupNameComp == 0) {
+                return object1.hashCode() - object2.hashCode();
+            }
+            // If descending
+            if (!ascending)
+                groupNameComp = -groupNameComp;
+
+            return groupNameComp;
+        }
+    }
+
+    /**
+     * Group comparator by name
+     */
+    public static class GroupCreationComparator implements Comparator<PwGroup> {
+
+        private boolean ascending;
+
+        public GroupCreationComparator(boolean ascending) {
+            this.ascending = ascending;
+        }
+
+        public int compare(PwGroup object1, PwGroup object2) {
+            if (object1.equals(object2))
+                return 0;
+
+            int groupCreationComp = object1.getCreationTime().getDate()
+                    .compareTo(object2.getCreationTime().getDate());
+            // If same creation, can be different
+            if (groupCreationComp == 0) {
+                return object1.hashCode() - object2.hashCode();
+            }
+            // If descending
+            if (!ascending)
+                groupCreationComp = -groupCreationComp;
+
+            return groupCreationComp;
+        }
+    }
+
+    /**
+     * Comparator of Entry by Name
+     */
+    public static class EntryNameComparator implements Comparator<PwEntry> {
+
+        private boolean ascending;
+
+        public EntryNameComparator(boolean ascending) {
+            this.ascending = ascending;
+        }
+
+        public int compare(PwEntry object1, PwEntry object2) {
+            if (object1.equals(object2))
+                return 0;
+
+            int entryTitleComp = object1.getTitle().compareToIgnoreCase(object2.getTitle());
+            // If same title, can be different
+            if (entryTitleComp == 0) {
+                return object1.hashCode() - object2.hashCode();
+            }
+            // If descending
+            if (!ascending)
+                entryTitleComp = -entryTitleComp;
+
+            return entryTitleComp;
+        }
+    }
+
+    /**
+     * Comparator of Entry by Creation
+     */
+    public static class EntryCreationComparator implements Comparator<PwEntry> {
+
+        private boolean ascending;
+
+        public EntryCreationComparator(boolean ascending) {
+            this.ascending = ascending;
+        }
+
+        public int compare(PwEntry object1, PwEntry object2) {
+            if (object1.equals(object2))
+                return 0;
+
+            int entryCreationComp = object1.getCreationTime().getDate()
+                    .compareTo(object2.getCreationTime().getDate());
+            // If same creation, can be different
+            if (entryCreationComp == 0) {
+                return object1.hashCode() - object2.hashCode();
+            }
+            // If descending
+            if (!ascending)
+                entryCreationComp = -entryCreationComp;
+
+            return entryCreationComp;
+        }
+    }
+}

app/src/main/java/com/keepassdroid/database/edit/AddEntry.java

@@ -21,21 +21,16 @@ package com.keepassdroid.database.edit;
 
 import android.content.Context;
 
-import com.keepassdroid.Database;
+import com.keepassdroid.database.Database;
 import com.keepassdroid.database.PwDatabase;
 import com.keepassdroid.database.PwEntry;
-import com.keepassdroid.database.PwGroup;
 
 public class AddEntry extends RunnableOnFinish {
 	protected Database mDb;
 	private PwEntry mEntry;
 	private Context ctx;
 	
-	public static AddEntry getInstance(Context ctx, Database db, PwEntry entry, OnFinish finish) {
-		return new AddEntry(ctx, db, entry, finish);
-	}
-	
-	protected AddEntry(Context ctx, Database db, PwEntry entry, OnFinish finish) {
+	public AddEntry(Context ctx, Database db, PwEntry entry, OnFinish finish) {
 		super(finish);
 		
 		mDb = db;
@@ -56,27 +51,18 @@ public class AddEntry extends RunnableOnFinish {
 	
 	private class AfterAdd extends OnFinish {
 
-		public AfterAdd(OnFinish finish) {
+		AfterAdd(OnFinish finish) {
 			super(finish);
 		}
 
 		@Override
 		public void run() {
 			PwDatabase pm = mDb.pm;
-			if ( mSuccess ) {
-				
-				PwGroup parent = mEntry.getParent();
-
-				// Mark parent tree dirty
-				mDb.dirty.add(parent);
-				
-			} else {
+			if ( !mSuccess ) {
 				pm.removeEntryFrom(mEntry, mEntry.getParent());
 			}
-			
+			// TODO if add entry callback
 			super.run();
 		}
 	}
-	
-
 }

app/src/main/java/com/keepassdroid/database/edit/AddGroup.java

@@ -21,7 +21,7 @@ package com.keepassdroid.database.edit;
 
 import android.content.Context;
 
-import com.keepassdroid.Database;
+import com.keepassdroid.database.Database;
 import com.keepassdroid.database.PwDatabase;
 import com.keepassdroid.database.PwGroup;
 
@@ -32,24 +32,20 @@ public class AddGroup extends RunnableOnFinish {
 	private PwGroup mGroup;
 	private PwGroup mParent;
 	private Context ctx;
-	protected boolean mDontSave;
+	private boolean mDontSave;
 	
-	
-	public static AddGroup getInstance(Context ctx, Database db, String name, int iconid, PwGroup parent, OnFinish finish, boolean dontSave) {
-		return new AddGroup(ctx, db, name, iconid, parent, finish, dontSave);
-	}
-	
-	
-	private AddGroup(Context ctx, Database db, String name, int iconid, PwGroup parent, OnFinish finish, boolean dontSave) {
-		super(finish);
-		
+	public AddGroup(Context ctx, Database db, String name, int iconid,
+                    PwGroup parent, AfterAddNodeOnFinish afterAddNode,
+                    boolean dontSave) {
+		super(afterAddNode);
+
 		mDb = db;
 		mName = name;
 		mIconID = iconid;
 		mParent = parent;
 		mDontSave = dontSave;
 		this.ctx = ctx;
-		
+
 		mFinish = new AfterAdd(mFinish);
 	}
 	
@@ -60,11 +56,9 @@ public class AddGroup extends RunnableOnFinish {
 		// Generate new group
 		mGroup = pm.createGroup();
 		mGroup.initNewGroup(mName, pm.newGroupId());
-		mGroup.icon = mDb.pm.iconFactory.getIcon(mIconID);
+		mGroup.setIcon(mDb.pm.iconFactory.getIcon(mIconID));
 		pm.addGroupTo(mGroup, mParent);
-		
-		//mParent.sortGroupsByName();
-		
+
 		// Commit to disk
 		SaveDB save = new SaveDB(ctx, mDb, mFinish, mDontSave);
 		save.run();
@@ -72,24 +66,23 @@ public class AddGroup extends RunnableOnFinish {
 	
 	private class AfterAdd extends OnFinish {
 
-		public AfterAdd(OnFinish finish) {
+		AfterAdd(OnFinish finish) {
 			super(finish);
 		}
 
 		@Override
 		public void run() {
 			PwDatabase pm = mDb.pm;
-			if ( mSuccess ) {
-				// Mark parent group dirty
-				mDb.dirty.add(mParent);
-			} else {
-				pm.removeGroupFrom(mGroup, mParent);
+			if ( !mSuccess ) {
+                pm.removeGroupFrom(mGroup, mParent);
 			}
-			
-			super.run();
+
+            // TODO Better callback
+            AfterAddNodeOnFinish afterAddNode =
+                    (AfterAddNodeOnFinish) super.mOnFinish;
+            afterAddNode.mSuccess = mSuccess;
+            afterAddNode.mMessage = mMessage;
+            afterAddNode.run(mGroup);
 		}
-
 	}
-	
-
 }

app/src/main/java/com/keepassdroid/database/edit/AfterAddNodeOnFinish.java

@@ -0,0 +1,13 @@
+package com.keepassdroid.database.edit;
+
+import android.os.Handler;
+
+import com.keepassdroid.database.PwNode;
+
+public abstract class AfterAddNodeOnFinish extends OnFinish {
+    public AfterAddNodeOnFinish(Handler handler) {
+        super(handler);
+    }
+
+    public abstract void run(PwNode pwNode);
+}

app/src/main/java/com/keepassdroid/database/edit/CreateDB.java

@@ -19,20 +19,14 @@
  */
 package com.keepassdroid.database.edit;
 
-
 import android.content.Context;
-import android.net.Uri;
 
-import com.keepassdroid.Database;
+import com.keepassdroid.database.Database;
 import com.keepassdroid.app.App;
 import com.keepassdroid.database.PwDatabase;
-import com.keepassdroid.database.PwDatabaseV3;
-import com.keepassdroid.database.PwEncryptionAlgorithm;
 import com.keepassdroid.utils.UriUtil;
 
 public class CreateDB extends RunnableOnFinish {
-
-	private final int DEFAULT_ENCRYPTION_ROUNDS = 300;
 	
 	private String mFilename;
 	private boolean mDontSave;
@@ -57,7 +51,6 @@ public class CreateDB extends RunnableOnFinish {
 		
 		// Set Database state
 		db.pm = pm;
-		Uri.Builder b = new Uri.Builder();
 		db.mUri = UriUtil.parseDefaultFile(mFilename);
 		db.setLoaded();
 		App.clearShutdown();

app/src/main/java/com/keepassdroid/database/edit/DeleteEntry.java

@@ -21,7 +21,7 @@ package com.keepassdroid.database.edit;
 
 import android.content.Context;
 
-import com.keepassdroid.Database;
+import com.keepassdroid.database.Database;
 import com.keepassdroid.database.PwDatabase;
 import com.keepassdroid.database.PwEntry;
 import com.keepassdroid.database.PwGroup;
@@ -71,8 +71,6 @@ public class DeleteEntry extends RunnableOnFinish {
 		// Commit database
 		SaveDB save = new SaveDB(ctx, mDb, mFinish, mDontSave);
 		save.run();
-	
-		
 	}
 
 	private class AfterDelete extends OnFinish {
@@ -81,7 +79,7 @@ public class DeleteEntry extends RunnableOnFinish {
 		private PwEntry mEntry;
 		private boolean recycled;
 		
-		public AfterDelete(OnFinish finish, PwGroup parent, PwEntry entry, boolean r) {
+		AfterDelete(OnFinish finish, PwGroup parent, PwEntry entry, boolean r) {
 			super(finish);
 			
 			mParent = parent;
@@ -92,18 +90,7 @@ public class DeleteEntry extends RunnableOnFinish {
 		@Override
 		public void run() {
 			PwDatabase pm = mDb.pm;
-			if ( mSuccess ) {
-				// Mark parent dirty
-				if ( mParent != null ) {
-					mDb.dirty.add(mParent);
-				}
-				
-				if (recycled) {
-					PwGroup recycleBin = pm.getRecycleBin();
-					mDb.dirty.add(recycleBin);
-					mDb.dirty.add(mDb.pm.rootGroup);
-				}
-			} else {
+			if ( !mSuccess ) {
 				if (recycled) {
 					pm.undoRecycle(mEntry, mParent);
 				}
@@ -111,11 +98,9 @@ public class DeleteEntry extends RunnableOnFinish {
 					pm.undoDeleteEntry(mEntry, mParent);
 				}
 			}
+			// TODO Callback after delete entry
 
 			super.run();
-			
 		}
-		
 	}
-	
 }

app/src/main/java/com/keepassdroid/database/edit/DeleteGroup.java

@@ -19,109 +19,115 @@
  */
 package com.keepassdroid.database.edit;
 
-import java.util.ArrayList;
-import java.util.List;
+import android.content.Context;
 
-import com.keepassdroid.Database;
-import com.keepassdroid.GroupBaseActivity;
 import com.keepassdroid.app.App;
+import com.keepassdroid.database.Database;
+import com.keepassdroid.database.PwDatabase;
 import com.keepassdroid.database.PwEntry;
 import com.keepassdroid.database.PwGroup;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class DeleteGroup extends RunnableOnFinish {
-	
+
+    private Context mContext;
 	private Database mDb;
 	private PwGroup mGroup;
-	private GroupBaseActivity mAct;
 	private boolean mDontSave;
 	
-	public DeleteGroup(Database db, PwGroup group, GroupBaseActivity act, OnFinish finish) {
+	public DeleteGroup(Context ctx, Database db, PwGroup group, OnFinish finish) {
 		super(finish);
-		setMembers(db, group, act, false);
-	}
-	
-	public DeleteGroup(Database db, PwGroup group, GroupBaseActivity act, OnFinish finish, boolean dontSave) {
-		super(finish);
-		setMembers(db, group, act, dontSave);
+		setMembers(ctx, db, group, false);
 	}
 
+	public DeleteGroup(Context ctx, Database db, PwGroup group, OnFinish finish, boolean dontSave) {
+		super(finish);
+		setMembers(ctx, db, group, dontSave);
+	}
 	
 	public DeleteGroup(Database db, PwGroup group, OnFinish finish, boolean dontSave) {
 		super(finish);
-		setMembers(db, group, null, dontSave);
+		setMembers(null, db, group, dontSave);
 	}
 
-	private void setMembers(Database db, PwGroup group, GroupBaseActivity act, boolean dontSave) {
+	private void setMembers(Context ctx, Database db, PwGroup group, boolean dontSave) {
 		mDb = db;
 		mGroup = group;
-		mAct = act;
+        mContext = ctx;
 		mDontSave = dontSave;
-
-		mFinish = new AfterDelete(mFinish);
 	}
 	
-	
-	
 	@Override
 	public void run() {
-		
-		// Remove child entries
-		List<PwEntry> childEnt = new ArrayList<PwEntry>(mGroup.childEntries);
-		for ( int i = 0; i < childEnt.size(); i++ ) {
-			DeleteEntry task = new DeleteEntry(mAct, mDb, childEnt.get(i), null, true);
-			task.run();
-		}
-		
-		// Remove child groups
-		List<PwGroup> childGrp = new ArrayList<PwGroup>(mGroup.childGroups);
-		for ( int i = 0; i < childGrp.size(); i++ ) {
-			DeleteGroup task = new DeleteGroup(mDb, childGrp.get(i), mAct, null, true);
-			task.run();
-		}
-		
-		
-		// Remove from parent
-		PwGroup parent = mGroup.getParent();
-		if ( parent != null ) {
-			parent.childGroups.remove(mGroup);
-		}
-		
-		// Remove from PwDatabaseV3
-		mDb.pm.getGroups().remove(mGroup);
-		
-		// Save
-		SaveDB save = new SaveDB(mAct, mDb, mFinish, mDontSave);
-		save.run();
+        PwDatabase pm = mDb.pm;
+        PwGroup parent = mGroup.getParent();
 
+        // Remove Group from parent
+        boolean recycle = pm.canRecycle(mGroup);
+        if (recycle) {
+            pm.recycle(mGroup);
+        }
+        else {
+            // TODO tests
+            // Remove child entries
+            List<PwEntry> childEnt = new ArrayList<>(mGroup.getChildEntries());
+            for ( int i = 0; i < childEnt.size(); i++ ) {
+                DeleteEntry task = new DeleteEntry(mContext, mDb, childEnt.get(i), null, true);
+                task.run();
+            }
+
+            // Remove child groups
+            List<PwGroup> childGrp = new ArrayList<>(mGroup.getChildGroups());
+            for ( int i = 0; i < childGrp.size(); i++ ) {
+                DeleteGroup task = new DeleteGroup(mContext, mDb, childGrp.get(i), null, true);
+                task.run();
+            }
+            pm.deleteGroup(mGroup);
+
+            // Remove from PwDatabaseV3
+            // TODO ENcapsulate
+            mDb.pm.getGroups().remove(mGroup);
+        }
+
+        // Save
+        mFinish = new AfterDelete(mFinish, parent, mGroup, recycle);
+		
+		// Commit Database
+		SaveDB save = new SaveDB(mContext, mDb, mFinish, mDontSave);
+		save.run();
 	}
 	
 	private class AfterDelete extends OnFinish {
-		public AfterDelete(OnFinish finish) {
+
+        private PwGroup mParent;
+        private PwGroup mGroup;
+        private boolean recycled;
+
+		AfterDelete(OnFinish finish, PwGroup parent, PwGroup mGroup, boolean recycle) {
 			super(finish);
+
+            this.mParent = parent;
+            this.mGroup = mGroup;
+            this.recycled = recycle;
 		}
 
 		public void run() {
-			if ( mSuccess ) {
-				// Remove from tree global
-				mDb.pm.groups.remove(mGroup.getId());
-				
-				// Remove tree from the dirty global (if it is present), not a big deal if this fails
-				mDb.dirty.remove(mGroup);
-				
-				// Mark parent dirty
-				PwGroup parent = mGroup.getParent();
-				if ( parent != null ) {
-					mDb.dirty.add(parent);
-				}
-				mDb.dirty.add(mDb.pm.rootGroup);
-			} else {
-				// Let's not bother recovering from a failure to save a deleted tree.  It is too much work.
-				App.setShutdown();
-			}
-			
+            PwDatabase pm = mDb.pm;
+            if ( !mSuccess ) {
+                if (recycled) {
+                    pm.undoRecycle(mGroup, mParent);
+                }
+                else {
+                    // Let's not bother recovering from a failure to save a deleted tree.  It is too much work.
+                    App.setShutdown();
+                    // TODO TEST pm.undoDeleteGroup(mGroup, mParent);
+                }
+            }
+            // TODO Callback after delete group
+
 			super.run();
-
 		}
-
 	}
 }

app/src/main/java/com/keepassdroid/database/edit/LoadDB.java

@@ -25,7 +25,7 @@ import android.net.Uri;
 import android.preference.PreferenceManager;
 
 import com.kunzisoft.keepass.R;
-import com.keepassdroid.Database;
+import com.keepassdroid.database.Database;
 import com.keepassdroid.app.App;
 import com.keepassdroid.database.exception.ArcFourException;
 import com.keepassdroid.database.exception.ContentFileNotFoundException;
@@ -78,7 +78,7 @@ public class LoadDB extends RunnableOnFinish {
             finish(false, mCtx.getString(R.string.file_not_found_content));
             return;
         } catch (FileNotFoundException e) {
-            finish(false, mCtx.getString(R.string.FileNotFound));
+            finish(false, mCtx.getString(R.string.file_not_found));
             return;
         } catch (IOException e) {
             finish(false, e.getMessage());
@@ -104,6 +104,9 @@ public class LoadDB extends RunnableOnFinish {
         } catch (OutOfMemoryError e) {
             finish(false, mCtx.getString(R.string.error_out_of_memory));
             return;
+        } catch (Exception e) {
+            finish(false, e.getMessage());
+            return;
         }
 
         finish(true);

app/src/main/java/com/keepassdroid/database/edit/RunnableOnFinish.java

@@ -19,7 +19,7 @@
  */
 package com.keepassdroid.database.edit;
 
-import com.keepassdroid.UpdateStatus;
+import com.keepassdroid.tasks.UpdateStatus;
 
 
 public abstract class RunnableOnFinish implements Runnable {

app/src/main/java/com/keepassdroid/database/edit/SaveDB.java

@@ -23,7 +23,7 @@ import android.content.Context;
 
 import java.io.IOException;
 
-import com.keepassdroid.Database;
+import com.keepassdroid.database.Database;
 import com.keepassdroid.database.exception.PwDbOutputException;
 
 public class SaveDB extends RunnableOnFinish {

app/src/main/java/com/keepassdroid/database/edit/SetPassword.java

@@ -19,19 +19,19 @@
  */
 package com.keepassdroid.database.edit;
 
-import java.io.IOException;
-import java.io.InputStream;
-
 import android.content.Context;
 import android.content.DialogInterface;
 import android.net.Uri;
 
-import com.keepassdroid.Database;
+import com.keepassdroid.database.Database;
 import com.keepassdroid.database.PwDatabase;
 import com.keepassdroid.database.exception.InvalidKeyFileException;
-import com.keepassdroid.dialog.PasswordEncodingDialogHelper;
+import com.keepassdroid.dialogs.PasswordEncodingDialogHelper;
 import com.keepassdroid.utils.UriUtil;
 
+import java.io.IOException;
+import java.io.InputStream;
+
 public class SetPassword extends RunnableOnFinish {
 	
 	private String mPassword;

app/src/main/java/com/keepassdroid/database/edit/UpdateEntry.java

@@ -21,9 +21,8 @@ package com.keepassdroid.database.edit;
 
 import android.content.Context;
 
-import com.keepassdroid.Database;
+import com.keepassdroid.database.Database;
 import com.keepassdroid.database.PwEntry;
-import com.keepassdroid.database.PwGroup;
 
 public class UpdateEntry extends RunnableOnFinish {
 	private Database mDb;
@@ -41,7 +40,7 @@ public class UpdateEntry extends RunnableOnFinish {
 		
 		// Keep backup of original values in case save fails
 		PwEntry backup;
-		backup = (PwEntry) mOldE.clone();
+		backup = mOldE.clone();
 		
 		mFinish = new AfterUpdate(backup, finish);
 	}
@@ -61,36 +60,19 @@ public class UpdateEntry extends RunnableOnFinish {
 	private class AfterUpdate extends OnFinish {
 		private PwEntry mBackup;
 		
-		public AfterUpdate(PwEntry backup, OnFinish finish) {
+		AfterUpdate(PwEntry backup, OnFinish finish) {
 			super(finish);
-			
 			mBackup = backup;
 		}
 		
 		@Override
 		public void run() {
-			if ( mSuccess ) {
-				// Mark group dirty if title or icon changes
-				if ( ! mBackup.getTitle().equals(mNewE.getTitle()) || ! mBackup.getIcon().equals(mNewE.getIcon()) ) {
-					PwGroup parent = mBackup.getParent();
-					if ( parent != null ) {
-						// Resort entries
-						parent.sortEntriesByName();
-
-						// Mark parent group dirty
-						mDb.dirty.add(parent);
-						
-					}
-				}
-			} else {
+			if ( !mSuccess ) {
 				// If we fail to save, back out changes to global structure
 				mOldE.assign(mBackup);
 			}
-			
+			// TODO Callback for update entry
 			super.run();
 		}
-		
 	}
-
-
 }

app/src/main/java/com/keepassdroid/database/iterator/EntrySearchStringIteratorV4.java

@@ -35,14 +35,14 @@ public class EntrySearchStringIteratorV4 extends EntrySearchStringIterator {
 
 	public EntrySearchStringIteratorV4(PwEntryV4 entry) {
 		this.sp = SearchParametersV4.DEFAULT;
-		setIterator = entry.strings.entrySet().iterator();
+		setIterator = entry.getFields().entrySet().iterator();
 		advance();
 		
 	}
 
 	public EntrySearchStringIteratorV4(PwEntryV4 entry, SearchParametersV4 sp) {
 		this.sp = sp;
-		setIterator = entry.strings.entrySet().iterator();
+		setIterator = entry.getFields().entrySet().iterator();
 		advance();
 	}
 

app/src/main/java/com/keepassdroid/database/load/Importer.java

@@ -22,7 +22,7 @@ package com.keepassdroid.database.load;
 import java.io.IOException;
 import java.io.InputStream;
 
-import com.keepassdroid.UpdateStatus;
+import com.keepassdroid.tasks.UpdateStatus;
 import com.keepassdroid.database.PwDatabase;
 import com.keepassdroid.database.exception.InvalidDBException;
 
@@ -33,7 +33,7 @@ public abstract class Importer {
 	public abstract PwDatabase openDatabase( InputStream inStream, String password, InputStream keyInputStream)
 		throws IOException, InvalidDBException;
 
-	public abstract PwDatabase openDatabase( InputStream inStream, String password, InputStream keyInputStream, UpdateStatus status )
+	public abstract PwDatabase openDatabase( InputStream inStream, String password, InputStream keyInputStream, UpdateStatus status, long roundsFix)
 		throws IOException, InvalidDBException;
 
 

app/src/main/java/com/keepassdroid/database/load/ImporterV3.java

@@ -66,7 +66,7 @@ import javax.crypto.spec.SecretKeySpec;
 import android.util.Log;
 
 import com.kunzisoft.keepass.R;
-import com.keepassdroid.UpdateStatus;
+import com.keepassdroid.tasks.UpdateStatus;
 import com.keepassdroid.crypto.CipherFactory;
 import com.keepassdroid.database.PwDatabaseV3;
 import com.keepassdroid.database.PwDate;
@@ -125,10 +125,10 @@ public class ImporterV3 extends Importer {
 	public PwDatabaseV3 openDatabase( InputStream inStream, String password, InputStream kfIs)
 	throws IOException, InvalidDBException
 	{
-		return openDatabase(inStream, password, kfIs, new UpdateStatus());
+		return openDatabase(inStream, password, kfIs, new UpdateStatus(), 0);
 	}
 
-	public PwDatabaseV3 openDatabase( InputStream inStream, String password, InputStream kfIs, UpdateStatus status )
+	public PwDatabaseV3 openDatabase( InputStream inStream, String password, InputStream kfIs, UpdateStatus status, long roundsFix)
 	throws IOException, InvalidDBException
 	{
 		PwDatabaseV3        newManager;
@@ -340,31 +340,31 @@ public class ImporterV3 extends Importer {
 			// Ignore field
 			break;
 		case 0x0001 :
-			grp.groupId = LEDataInputStream.readInt(buf, offset);
+			grp.setGroupId(LEDataInputStream.readInt(buf, offset));
 			break;
 		case 0x0002 :
-			grp.name = Types.readCString(buf, offset);
+			grp.setName(Types.readCString(buf, offset));
 			break;
 		case 0x0003 :
-			grp.tCreation = new PwDate(buf, offset);
+			grp.setCreationTime(new PwDate(buf, offset));
 			break;
 		case 0x0004 :
-			grp.tLastMod = new PwDate(buf, offset);
+			grp.setLastModificationTime(new PwDate(buf, offset));
 			break;
 		case 0x0005 :
-			grp.tLastAccess = new PwDate(buf, offset);
+			grp.setLastAccessTime(new PwDate(buf, offset));
 			break;
 		case 0x0006 :
-			grp.tExpire = new PwDate(buf, offset);
+			grp.setExpiryTime(new PwDate(buf, offset));
 			break;
 		case 0x0007 :
-			grp.icon = db.iconFactory.getIcon(LEDataInputStream.readInt(buf, offset));
+			grp.setIcon(db.iconFactory.getIcon(LEDataInputStream.readInt(buf, offset)));
 			break;
 		case 0x0008 :
-			grp.level = LEDataInputStream.readUShort(buf, offset);
+			grp.setLevel(LEDataInputStream.readUShort(buf, offset));
 			break;
 		case 0x0009 :
-			grp.flags = LEDataInputStream.readInt(buf, offset);
+			grp.setFlags(LEDataInputStream.readInt(buf, offset));
 			break;
 		}
 	}
@@ -387,7 +387,7 @@ public class ImporterV3 extends Importer {
 			ent.setUUID(Types.bytestoUUID(buf, offset));
 			break;
 		case 0x0002 :
-			ent.groupId = LEDataInputStream.readInt(buf, offset);
+			ent.setGroupId(LEDataInputStream.readInt(buf, offset));
 			break;
 		case 0x0003 :
 			int iconId = LEDataInputStream.readInt(buf, offset);
@@ -397,37 +397,37 @@ public class ImporterV3 extends Importer {
 				iconId = 0;
 			}
 			
-			ent.icon = db.iconFactory.getIcon(iconId);
+			ent.setIcon(db.iconFactory.getIcon(iconId));
 			break;
 		case 0x0004 :
-			ent.title = Types.readCString(buf, offset); 
+			ent.setTitle(Types.readCString(buf, offset));
 			break;
 		case 0x0005 :
-			ent.url = Types.readCString(buf, offset);
+			ent.setUrl(Types.readCString(buf, offset));
 			break;
 		case 0x0006 :
-			ent.username = Types.readCString(buf, offset);
+			ent.setUsername(Types.readCString(buf, offset));
 			break;
 		case 0x0007 :
 			ent.setPassword(buf, offset, Types.strlen(buf, offset));
 			break;
 		case 0x0008 :
-			ent.additional = Types.readCString(buf, offset);
+			ent.setNotes(Types.readCString(buf, offset));
 			break;
 		case 0x0009 :
-			ent.tCreation = new PwDate(buf, offset);
+			ent.setCreationTime(new PwDate(buf, offset));
 			break;
 		case 0x000A :
-			ent.tLastMod = new PwDate(buf, offset);
+			ent.setLastModificationTime(new PwDate(buf, offset));
 			break;
 		case 0x000B :
-			ent.tLastAccess = new PwDate(buf, offset);
+			ent.setLastAccessTime(new PwDate(buf, offset));
 			break;
 		case 0x000C :
-			ent.tExpire = new PwDate(buf, offset);
+			ent.setExpiryTime(new PwDate(buf, offset));
 			break;
 		case 0x000D :
-			ent.binaryDesc = Types.readCString(buf, offset);
+			ent.setBinaryDesc(Types.readCString(buf, offset));
 			break;
 		case 0x000E :
 			ent.setBinaryData(buf, offset, fieldSize);

app/src/main/java/com/keepassdroid/database/load/ImporterV3Debug.java

@@ -22,7 +22,7 @@ package com.keepassdroid.database.load;
 import java.io.IOException;
 import java.io.InputStream;
 
-import com.keepassdroid.UpdateStatus;
+import com.keepassdroid.tasks.UpdateStatus;
 import com.keepassdroid.database.PwDatabaseV3Debug;
 import com.keepassdroid.database.exception.InvalidDBException;
 
@@ -35,9 +35,10 @@ public class ImporterV3Debug extends ImporterV3 {
 	
 	@Override
 	public PwDatabaseV3Debug openDatabase(InputStream inStream, String password,
-			InputStream keyInputStream, UpdateStatus status) throws IOException,
+			InputStream keyInputStream, UpdateStatus status, long roundsFix) throws IOException,
 			InvalidDBException {
-		return (PwDatabaseV3Debug) super.openDatabase(inStream, password, keyInputStream, status);
+		return (PwDatabaseV3Debug) super.openDatabase(inStream, password, keyInputStream, status,
+				roundsFix);
 	}
 
 

app/src/main/java/com/keepassdroid/database/load/ImporterV4.java

@@ -46,11 +46,12 @@ import org.xmlpull.v1.XmlPullParserFactory;
 
 import biz.source_code.base64Coder.Base64Coder;
 
-import com.keepassdroid.UpdateStatus;
+import com.keepassdroid.database.PwDatabase;
+import com.keepassdroid.database.PwDate;
+import com.keepassdroid.tasks.UpdateStatus;
 import com.keepassdroid.crypto.CipherFactory;
 import com.keepassdroid.crypto.PwStreamCipherFactory;
 import com.keepassdroid.crypto.engine.CipherEngine;
-import com.keepassdroid.database.BinaryPool;
 import com.keepassdroid.database.ITimeLogger;
 import com.keepassdroid.database.PwCompressionAlgorithm;
 import com.keepassdroid.database.PwDatabaseV4;
@@ -78,11 +79,11 @@ public class ImporterV4 extends Importer {
 	
 	private StreamCipher randomStream;
 	private PwDatabaseV4 db;
-	private BinaryPool binPool = new BinaryPool();
 
     private byte[] hashOfHeader = null;
 	private byte[] pbHeader = null;
 	private long version;
+	private int binNum = 0;
 	Calendar utcCal;
 
 	public ImporterV4() {
@@ -98,18 +99,17 @@ public class ImporterV4 extends Importer {
 	public PwDatabaseV4 openDatabase(InputStream inStream, String password,
 			InputStream keyInputStream) throws IOException, InvalidDBException {
 
-		return openDatabase(inStream, password, keyInputStream, new UpdateStatus());
+		return openDatabase(inStream, password, keyInputStream, new UpdateStatus(), 0);
 	}
 	
 	@Override
-	public PwDatabaseV4 openDatabase(InputStream inStream, String password,
-			InputStream keyInputStream, UpdateStatus status) throws IOException,
-			InvalidDBException {
-
+    public PwDatabaseV4 openDatabase(InputStream inStream, String password,
+            InputStream keyInputStream, UpdateStatus status, long roundsFix) throws IOException,
+            InvalidDBException {
 		db = createDB();
 		
 		PwDbHeaderV4 header = new PwDbHeaderV4(db);
-        header.binaries.clear();
+        db.binPool.clear();
 
 		PwDbHeaderV4.HeaderAndHash hh = header.loadFromFile(inStream);
         version = header.version;
@@ -118,7 +118,7 @@ public class ImporterV4 extends Importer {
 		pbHeader = hh.header;
 			
 		db.setMasterKey(password, keyInputStream);
-		db.makeFinalKey(header.masterSeed, db.kdfParameters);
+		db.makeFinalKey(header.masterSeed, db.kdfParameters, roundsFix);
 
 		CipherEngine engine;
 		Cipher cipher;
@@ -253,6 +253,7 @@ public class ImporterV4 extends Importer {
 				byte[] bin = new byte[data.length - 1];
 				System.arraycopy(data, 1, bin, 0, data.length-1);
 				ProtectedBinary pb = new ProtectedBinary(prot, bin);
+				db.binPool.poolAdd(pb);
 
 				if (prot) {
 					Arrays.fill(data, (byte)0);
@@ -309,7 +310,7 @@ public class ImporterV4 extends Importer {
 	private boolean entryInHistory = false;
 	private PwEntryV4 ctxHistoryBase = null;
 	private PwDeletedObject ctxDeletedObject = null;
-	private UUID customIconID = PwDatabaseV4.UUID_ZERO;
+	private UUID customIconID = PwDatabase.UUID_ZERO;
 	private byte[] customIconData;
 	private String customDataKey = null;
 	private String customDataValue = null;
@@ -511,7 +512,7 @@ public class ImporterV4 extends Importer {
 				if ( key != null ) {
 					ProtectedBinary pbData = ReadProtectedBinary(xpp);
 					int id = Integer.parseInt(key);
-					binPool.put(id, pbData);
+					db.binPool.put(id, pbData);
 				} else {
 					ReadUnknown(xpp);
 				}
@@ -558,38 +559,38 @@ public class ImporterV4 extends Importer {
 			
 		case Group:
 			if ( name.equalsIgnoreCase(ElemUuid) ) {
-				ctxGroup.uuid = ReadUuid(xpp);
+				ctxGroup.setUUID(ReadUuid(xpp));
 			} else if ( name.equalsIgnoreCase(ElemName) ) {
-				ctxGroup.name = ReadString(xpp);
+				ctxGroup.setName(ReadString(xpp));
 			} else if ( name.equalsIgnoreCase(ElemNotes) ) {
-				ctxGroup.notes = ReadString(xpp);
+				ctxGroup.setNotes(ReadString(xpp));
 			} else if ( name.equalsIgnoreCase(ElemIcon) ) {
-				ctxGroup.icon = db.iconFactory.getIcon((int)ReadUInt(xpp, 0));
+				ctxGroup.setIcon(db.iconFactory.getIcon((int)ReadUInt(xpp, 0)));
 			} else if ( name.equalsIgnoreCase(ElemCustomIconID) ) {
-				ctxGroup.customIcon = db.iconFactory.getIcon(ReadUuid(xpp));
+				ctxGroup.setCustomIcon(db.iconFactory.getIcon(ReadUuid(xpp)));
 			} else if ( name.equalsIgnoreCase(ElemTimes) ) {
 				return SwitchContext(ctx, KdbContext.GroupTimes, xpp);
 			} else if ( name.equalsIgnoreCase(ElemIsExpanded) ) {
-				ctxGroup.isExpanded = ReadBool(xpp, true);
+				ctxGroup.setExpanded(ReadBool(xpp, true));
 			} else if ( name.equalsIgnoreCase(ElemGroupDefaultAutoTypeSeq) ) {
-				ctxGroup.defaultAutoTypeSequence = ReadString(xpp);
+				ctxGroup.setDefaultAutoTypeSequence(ReadString(xpp));
 			} else if ( name.equalsIgnoreCase(ElemEnableAutoType) ) {
-				ctxGroup.enableAutoType = StringToBoolean(ReadString(xpp));
+				ctxGroup.setEnableAutoType(StringToBoolean(ReadString(xpp)));
 			} else if ( name.equalsIgnoreCase(ElemEnableSearching) ) {
-				ctxGroup.enableSearching = StringToBoolean(ReadString(xpp));
+				ctxGroup.setEnableSearching(StringToBoolean(ReadString(xpp)));
 			} else if ( name.equalsIgnoreCase(ElemLastTopVisibleEntry) ) {
-				ctxGroup.lastTopVisibleEntry = ReadUuid(xpp);
+				ctxGroup.setLastTopVisibleEntry(ReadUuid(xpp));
 			} else if ( name.equalsIgnoreCase(ElemCustomData) ) {
                 return SwitchContext(ctx, KdbContext.GroupCustomData, xpp);
 			} else if ( name.equalsIgnoreCase(ElemGroup) ) {
 				ctxGroup = new PwGroupV4();
-				ctxGroups.peek().AddGroup(ctxGroup, true);
+				ctxGroups.peek().AddGroup(ctxGroup);
 				ctxGroups.push(ctxGroup);
 				
 				return SwitchContext(ctx, KdbContext.Group, xpp);
 			} else if ( name.equalsIgnoreCase(ElemEntry) ) {
 				ctxEntry = new PwEntryV4();
-				ctxGroup.AddEntry(ctxEntry, true);
+				ctxGroup.AddEntry(ctxEntry);
 				
 				entryInHistory = false;
 				return SwitchContext(ctx, KdbContext.Entry, xpp);
@@ -619,17 +620,17 @@ public class ImporterV4 extends Importer {
 			if ( name.equalsIgnoreCase(ElemUuid) ) {
 				ctxEntry.setUUID(ReadUuid(xpp));
 			} else if ( name.equalsIgnoreCase(ElemIcon) ) {
-				ctxEntry.icon = db.iconFactory.getIcon((int)ReadUInt(xpp, 0));
+				ctxEntry.setIcon(db.iconFactory.getIcon((int)ReadUInt(xpp, 0)));
 			} else if ( name.equalsIgnoreCase(ElemCustomIconID) ) {
-				ctxEntry.customIcon = db.iconFactory.getIcon(ReadUuid(xpp));
+				ctxEntry.setCustomIcon(db.iconFactory.getIcon(ReadUuid(xpp)));
 			} else if ( name.equalsIgnoreCase(ElemFgColor) ) {
-				ctxEntry.foregroundColor = ReadString(xpp);
+				ctxEntry.setForegroundColor(ReadString(xpp));
 			} else if ( name.equalsIgnoreCase(ElemBgColor) ) {
-				ctxEntry.backgroupColor = ReadString(xpp);
+				ctxEntry.setBackgroupColor(ReadString(xpp));
 			} else if ( name.equalsIgnoreCase(ElemOverrideUrl) ) {
-				ctxEntry.overrideURL = ReadString(xpp);
+				ctxEntry.setOverrideURL(ReadString(xpp));
 			} else if ( name.equalsIgnoreCase(ElemTags) ) {
-				ctxEntry.tags = ReadString(xpp);
+				ctxEntry.setTags(ReadString(xpp));
 			} else if ( name.equalsIgnoreCase(ElemTimes) ) {
 				return SwitchContext(ctx, KdbContext.EntryTimes, xpp);
 			} else if ( name.equalsIgnoreCase(ElemString) ) {
@@ -680,19 +681,19 @@ public class ImporterV4 extends Importer {
 			}
 			
 			if ( name.equalsIgnoreCase(ElemLastModTime) ) {
-				tl.setLastModificationTime(ReadTime(xpp));
+				tl.setLastModificationTime(ReadPwTime(xpp));
 			} else if ( name.equalsIgnoreCase(ElemCreationTime) ) {
-				tl.setCreationTime(ReadTime(xpp));
+				tl.setCreationTime(ReadPwTime(xpp));
 			} else if ( name.equalsIgnoreCase(ElemLastAccessTime) ) {
-				tl.setLastAccessTime(ReadTime(xpp));
+				tl.setLastAccessTime(ReadPwTime(xpp));
 			} else if ( name.equalsIgnoreCase(ElemExpiryTime) ) {
-				tl.setExpiryTime(ReadTime(xpp));
+				tl.setExpiryTime(ReadPwTime(xpp));
 			} else if ( name.equalsIgnoreCase(ElemExpires) ) {
 				tl.setExpires(ReadBool(xpp, false));
 			} else if ( name.equalsIgnoreCase(ElemUsageCount) ) {
 				tl.setUsageCount(ReadULong(xpp, 0));
 			} else if ( name.equalsIgnoreCase(ElemLocationChanged) ) {
-				tl.setLocationChanged(ReadTime(xpp));
+				tl.setLocationChanged(ReadPwTime(xpp));
 			} else {
 				ReadUnknown(xpp);
 			}
@@ -718,11 +719,11 @@ public class ImporterV4 extends Importer {
 			
 		case EntryAutoType:
 			if ( name.equalsIgnoreCase(ElemAutoTypeEnabled) ) {
-				ctxEntry.autoType.enabled = ReadBool(xpp, true);
+				ctxEntry.getAutoType().enabled = ReadBool(xpp, true);
 			} else if ( name.equalsIgnoreCase(ElemAutoTypeObfuscation) ) {
-				ctxEntry.autoType.obfuscationOptions = ReadUInt(xpp, 0);
+				ctxEntry.getAutoType().obfuscationOptions = ReadUInt(xpp, 0);
 			} else if ( name.equalsIgnoreCase(ElemAutoTypeDefaultSeq) ) {
-				ctxEntry.autoType.defaultSequence = ReadString(xpp);
+				ctxEntry.getAutoType().defaultSequence = ReadString(xpp);
 			} else if ( name.equalsIgnoreCase(ElemAutoTypeItem) ) {
 				return SwitchContext(ctx, KdbContext.EntryAutoTypeItem, xpp);
 			} else {
@@ -743,7 +744,7 @@ public class ImporterV4 extends Importer {
 		case EntryHistory:
 			if ( name.equalsIgnoreCase(ElemEntry) ) {
 				ctxEntry = new PwEntryV4();
-				ctxHistoryBase.history.add(ctxEntry);
+				ctxHistoryBase.addToHistory(ctxEntry);
 				
 				entryInHistory = true;
 				return SwitchContext(ctx, KdbContext.Entry, xpp);
@@ -796,13 +797,13 @@ public class ImporterV4 extends Importer {
 		} else if ( ctx == KdbContext.CustomIcons && name.equalsIgnoreCase(ElemCustomIcons) ) {
 			return KdbContext.Meta;
 		} else if ( ctx == KdbContext.CustomIcon && name.equalsIgnoreCase(ElemCustomIconItem) ) {
-			if ( ! customIconID.equals(PwDatabaseV4.UUID_ZERO) ) {
+			if ( ! customIconID.equals(PwDatabase.UUID_ZERO) ) {
 				PwIconCustom icon = new PwIconCustom(customIconID, customIconData);
 				db.customIcons.add(icon);
 				db.iconFactory.put(icon);
 			} else assert(false);
 			
-			customIconID = PwDatabaseV4.UUID_ZERO;
+			customIconID = PwDatabase.UUID_ZERO;
 			customIconData = null;
 			
 			return KdbContext.CustomIcons;
@@ -820,8 +821,8 @@ public class ImporterV4 extends Importer {
 			
 			return KdbContext.CustomData;
 		} else if ( ctx == KdbContext.Group && name.equalsIgnoreCase(ElemGroup) ) {
-			if ( ctxGroup.uuid == null || ctxGroup.uuid.equals(PwDatabaseV4.UUID_ZERO) ) {
-				ctxGroup.uuid = UUID.randomUUID();
+			if ( ctxGroup.getUUID() == null || ctxGroup.getUUID().equals(PwDatabase.UUID_ZERO) ) {
+				ctxGroup.setUUID(UUID.randomUUID());
 			}
 			
 			ctxGroups.pop();
@@ -839,7 +840,7 @@ public class ImporterV4 extends Importer {
 			return KdbContext.Group;
 		} else if ( ctx == KdbContext.GroupCustomDataItem && name.equalsIgnoreCase(ElemStringDictExItem)) {
 			if (groupCustomDataKey != null && groupCustomDataValue != null) {
-				ctxGroup.customData.put(groupCustomDataKey, groupCustomDataKey);
+				ctxGroup.putCustomData(groupCustomDataKey, groupCustomDataKey);
 			} else {
 				assert(false);
 			}
@@ -850,8 +851,8 @@ public class ImporterV4 extends Importer {
 			return KdbContext.GroupCustomData;
 
 		} else if ( ctx == KdbContext.Entry && name.equalsIgnoreCase(ElemEntry) ) {
-			if ( ctxEntry.uuid == null || ctxEntry.uuid.equals(PwDatabaseV4.UUID_ZERO) ) {
-				ctxEntry.uuid = UUID.randomUUID();
+			if ( ctxEntry.getUUID() == null || ctxEntry.getUUID().equals(PwDatabase.UUID_ZERO) ) {
+				ctxEntry.setUUID(UUID.randomUUID());
 			}
 			
 			if ( entryInHistory ) {
@@ -863,13 +864,13 @@ public class ImporterV4 extends Importer {
 		} else if ( ctx == KdbContext.EntryTimes && name.equalsIgnoreCase(ElemTimes) ) {
 			return KdbContext.Entry;
 		} else if ( ctx == KdbContext.EntryString && name.equalsIgnoreCase(ElemString) ) {
-			ctxEntry.strings.put(ctxStringName, ctxStringValue);
+			ctxEntry.addField(ctxStringName, ctxStringValue);
 			ctxStringName = null;
 			ctxStringValue = null;
 			
 			return KdbContext.Entry;
 		} else if ( ctx == KdbContext.EntryBinary && name.equalsIgnoreCase(ElemBinary) ) {
-			ctxEntry.binaries.put(ctxBinaryName, ctxBinaryValue);
+			ctxEntry.putProtectedBinary(ctxBinaryName, ctxBinaryValue);
 			ctxBinaryName = null;
 			ctxBinaryValue = null;
 			
@@ -877,7 +878,7 @@ public class ImporterV4 extends Importer {
 		} else if ( ctx == KdbContext.EntryAutoType && name.equalsIgnoreCase(ElemAutoType) ) {
 			return KdbContext.Entry;
 		} else if ( ctx == KdbContext.EntryAutoTypeItem && name.equalsIgnoreCase(ElemAutoTypeItem) ) {
-			ctxEntry.autoType.put(ctxATName, ctxATSeq);
+			ctxEntry.getAutoType().put(ctxATName, ctxATSeq);
 			ctxATName = null;
 			ctxATSeq = null;
 
@@ -886,7 +887,7 @@ public class ImporterV4 extends Importer {
 			return KdbContext.Entry;
 		} else if ( ctx == KdbContext.EntryCustomDataItem && name.equalsIgnoreCase(ElemStringDictExItem)) {
 			if (entryCustomDataKey != null && entryCustomDataValue != null) {
-				ctxEntry.customData.put(entryCustomDataKey, entryCustomDataValue);
+				ctxEntry.putCustomData(entryCustomDataKey, entryCustomDataValue);
 			} else {
 				assert(false);
 			}
@@ -913,6 +914,10 @@ public class ImporterV4 extends Importer {
 			throw new RuntimeException("Invalid end element: Context " +  contextName + "End element: " + name);
 		}
 	}
+
+	private PwDate ReadPwTime(XmlPullParser xpp) throws IOException, XmlPullParserException {
+		return new PwDate(ReadTime(xpp));
+	}
 	
 	private Date ReadTime(XmlPullParser xpp) throws IOException, XmlPullParserException {
 		String sDate = ReadString(xpp);
@@ -922,7 +927,7 @@ public class ImporterV4 extends Importer {
 			byte[] buf = Base64Coder.decode(sDate);
 			if (buf.length != 8) {
 				byte[] buf8 = new byte[8];
-				System.arraycopy(buf, 0, buf8, 0, buf.length);
+				System.arraycopy(buf, 0, buf8, 0, Math.min(buf.length, 8));
 				buf = buf8;
 			}
 
@@ -932,7 +937,7 @@ public class ImporterV4 extends Importer {
 		} else {
 
 			try {
-				utcDate = PwDatabaseV4XML.dateFormat.parse(sDate);
+				utcDate = PwDatabaseV4XML.dateFormatter.get().parse(sDate);
 			} catch (ParseException e) {
 				// Catch with null test below
 			}
@@ -981,7 +986,7 @@ public class ImporterV4 extends Importer {
 		String encoded = ReadString(xpp);
 		
 		if (encoded == null || encoded.length() == 0 ) {
-			return PwDatabaseV4.UUID_ZERO;
+			return PwDatabase.UUID_ZERO;
 		}
 		
 		// TODO: Switch to framework Base64 once API level 8 is the minimum
@@ -1061,7 +1066,7 @@ public class ImporterV4 extends Importer {
 			xpp.next(); // Consume end tag
 
 			int id = Integer.parseInt(ref);
-			return binPool.get(id);
+			return db.binPool.get(id);
 		} 
 		
 		boolean compressed = false;

app/src/main/java/com/keepassdroid/database/load/ImporterV4Debug.java

@@ -19,7 +19,7 @@
  */
 package com.keepassdroid.database.load;
 
-import com.keepassdroid.UpdateStatus;
+import com.keepassdroid.tasks.UpdateStatus;
 import com.keepassdroid.database.PwDatabaseV4Debug;
 import com.keepassdroid.database.exception.InvalidDBException;
 
@@ -35,9 +35,10 @@ public class ImporterV4Debug extends ImporterV4 {
 
 	@Override
 	public PwDatabaseV4Debug openDatabase(InputStream inStream, String password,
-			InputStream keyInputFile, UpdateStatus status) throws IOException,
+			InputStream keyInputFile, UpdateStatus status, long roundsFix) throws IOException,
 			InvalidDBException {
-		return (PwDatabaseV4Debug) super.openDatabase(inStream, password, keyInputFile, status);
+		return (PwDatabaseV4Debug) super.openDatabase(inStream, password, keyInputFile, status,
+				roundsFix);
 	}
 
 }

app/src/main/java/com/keepassdroid/database/save/PwDbInnerHeaderOutputV4.java

@@ -52,7 +52,7 @@ public class PwDbInnerHeaderOutputV4 {
         los.writeInt(streamKeySize);
         los.write(header.innerRandomStreamKey);
 
-        for (ProtectedBinary bin : header.binaries) {
+        for (ProtectedBinary bin : db.binPool.binaries()) {
             byte flag = KdbxBinaryFlags.None;
             if (bin.isProtected()) {
                 flag |= KdbxBinaryFlags.Protected;

app/src/main/java/com/keepassdroid/database/save/PwDbV3Output.java

@@ -260,8 +260,8 @@ public class PwDbV3Output extends PwDbOutput {
 		groupList.add(group);
 		
 		// Recurse over children
-		for ( int i = 0; i < group.childGroups.size(); i++ ) {
-			sortGroup((PwGroupV3) group.childGroups.get(i), groupList);
+		for ( int i = 0; i < group.numbersOfChildGroups(); i++ ) {
+			sortGroup((PwGroupV3) group.getChildGroupAt(i), groupList);
 		}
 	}
 	

app/src/main/java/com/keepassdroid/database/save/PwDbV4Output.java

@@ -19,7 +19,45 @@
  */
 package com.keepassdroid.database.save;
 
-import static com.keepassdroid.database.PwDatabaseV4XML.*;
+import android.util.Xml;
+
+import com.keepassdroid.crypto.CipherFactory;
+import com.keepassdroid.crypto.PwStreamCipherFactory;
+import com.keepassdroid.crypto.engine.CipherEngine;
+import com.keepassdroid.crypto.keyDerivation.KdfEngine;
+import com.keepassdroid.crypto.keyDerivation.KdfFactory;
+import com.keepassdroid.database.CrsAlgorithm;
+import com.keepassdroid.database.EntryHandler;
+import com.keepassdroid.database.GroupHandler;
+import com.keepassdroid.database.ITimeLogger;
+import com.keepassdroid.database.PwCompressionAlgorithm;
+import com.keepassdroid.database.PwDatabaseV4;
+import com.keepassdroid.database.PwDatabaseV4.MemoryProtectionConfig;
+import com.keepassdroid.database.PwDatabaseV4XML;
+import com.keepassdroid.database.PwDbHeader;
+import com.keepassdroid.database.PwDbHeaderV4;
+import com.keepassdroid.database.PwDefsV4;
+import com.keepassdroid.database.PwDeletedObject;
+import com.keepassdroid.database.PwEntry;
+import com.keepassdroid.database.PwEntryV4;
+import com.keepassdroid.database.AutoType;
+import com.keepassdroid.database.PwGroup;
+import com.keepassdroid.database.PwGroupV4;
+import com.keepassdroid.database.PwIconCustom;
+import com.keepassdroid.database.exception.PwDbOutputException;
+import com.keepassdroid.database.security.ProtectedBinary;
+import com.keepassdroid.database.security.ProtectedString;
+import com.keepassdroid.stream.HashedBlockOutputStream;
+import com.keepassdroid.stream.HmacBlockOutputStream;
+import com.keepassdroid.stream.LEDataOutputStream;
+import com.keepassdroid.utils.DateUtil;
+import com.keepassdroid.utils.EmptyUtils;
+import com.keepassdroid.utils.MemUtil;
+import com.keepassdroid.utils.Types;
+
+import org.joda.time.DateTime;
+import org.spongycastle.crypto.StreamCipher;
+import org.xmlpull.v1.XmlSerializer;
 
 import java.io.IOException;
 import java.io.OutputStream;
@@ -36,53 +74,96 @@ import java.util.zip.GZIPOutputStream;
 import javax.crypto.Cipher;
 import javax.crypto.CipherOutputStream;
 
-import org.joda.time.DateTime;
-import org.spongycastle.crypto.StreamCipher;
-import org.xmlpull.v1.XmlSerializer;
-
-import android.util.Xml;
 import biz.source_code.base64Coder.Base64Coder;
 
-import com.keepassdroid.crypto.CipherFactory;
-import com.keepassdroid.crypto.PwStreamCipherFactory;
-import com.keepassdroid.crypto.engine.CipherEngine;
-import com.keepassdroid.crypto.keyDerivation.KdfEngine;
-import com.keepassdroid.crypto.keyDerivation.KdfFactory;
-import com.keepassdroid.database.BinaryPool;
-import com.keepassdroid.database.CrsAlgorithm;
-import com.keepassdroid.database.EntryHandler;
-import com.keepassdroid.database.GroupHandler;
-import com.keepassdroid.database.ITimeLogger;
-import com.keepassdroid.database.PwCompressionAlgorithm;
-import com.keepassdroid.database.PwDatabaseV4;
-import com.keepassdroid.database.PwDatabaseV4.MemoryProtectionConfig;
-import com.keepassdroid.database.PwDatabaseV4XML;
-import com.keepassdroid.database.PwDbHeader;
-import com.keepassdroid.database.PwDbHeaderV4;
-import com.keepassdroid.database.PwDefsV4;
-import com.keepassdroid.database.PwDeletedObject;
-import com.keepassdroid.database.PwEntry;
-import com.keepassdroid.database.PwEntryV4;
-import com.keepassdroid.database.PwEntryV4.AutoType;
-import com.keepassdroid.database.PwGroup;
-import com.keepassdroid.database.PwGroupV4;
-import com.keepassdroid.database.PwIconCustom;
-import com.keepassdroid.database.exception.PwDbOutputException;
-import com.keepassdroid.database.security.ProtectedBinary;
-import com.keepassdroid.database.security.ProtectedString;
-import com.keepassdroid.stream.HashedBlockOutputStream;
-import com.keepassdroid.stream.HmacBlockOutputStream;
-import com.keepassdroid.stream.LEDataOutputStream;
-import com.keepassdroid.utils.DateUtil;
-import com.keepassdroid.utils.EmptyUtils;
-import com.keepassdroid.utils.MemUtil;
-import com.keepassdroid.utils.Types;
+import static com.keepassdroid.database.PwDatabaseV4XML.AttrCompressed;
+import static com.keepassdroid.database.PwDatabaseV4XML.AttrId;
+import static com.keepassdroid.database.PwDatabaseV4XML.AttrProtected;
+import static com.keepassdroid.database.PwDatabaseV4XML.AttrRef;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemAutoType;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemAutoTypeDefaultSeq;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemAutoTypeEnabled;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemAutoTypeItem;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemAutoTypeObfuscation;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemBgColor;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemBinaries;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemBinary;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemCreationTime;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemCustomData;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemCustomIconID;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemCustomIconItem;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemCustomIconItemData;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemCustomIconItemID;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemCustomIcons;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemDbColor;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemDbDefaultUser;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemDbDefaultUserChanged;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemDbDesc;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemDbDescChanged;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemDbKeyChangeForce;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemDbKeyChangeRec;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemDbKeyChanged;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemDbMntncHistoryDays;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemDbName;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemDbNameChanged;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemDeletedObject;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemDeletedObjects;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemDeletionTime;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemDocNode;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemEnableAutoType;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemEnableSearching;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemEntry;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemEntryTemplatesGroup;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemEntryTemplatesGroupChanged;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemExpires;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemExpiryTime;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemFgColor;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemGenerator;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemGroup;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemGroupDefaultAutoTypeSeq;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemHeaderHash;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemHistory;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemHistoryMaxItems;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemHistoryMaxSize;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemIcon;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemIsExpanded;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemKey;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemKeystrokeSequence;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemLastAccessTime;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemLastModTime;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemLastSelectedGroup;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemLastTopVisibleEntry;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemLastTopVisibleGroup;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemLocationChanged;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemMemoryProt;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemMeta;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemName;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemNotes;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemOverrideUrl;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemProtNotes;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemProtPassword;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemProtTitle;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemProtURL;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemProtUserName;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemRecycleBinChanged;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemRecycleBinEnabled;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemRecycleBinUuid;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemRoot;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemString;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemStringDictExItem;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemTags;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemTimes;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemUsageCount;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemUuid;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemValue;
+import static com.keepassdroid.database.PwDatabaseV4XML.ElemWindow;
+import static com.keepassdroid.database.PwDatabaseV4XML.ValFalse;
+import static com.keepassdroid.database.PwDatabaseV4XML.ValTrue;
 
 public class PwDbV4Output extends PwDbOutput {
 
 	PwDatabaseV4 mPM;
 	private StreamCipher randomStream;
-	private BinaryPool binPool;
 	private XmlSerializer xml;
 	private PwDbHeaderV4 header;
 	private byte[] hashOfHeader;
@@ -164,7 +245,7 @@ public class PwDbV4Output extends PwDbOutput {
 			
 			while(true) {
 				try {
-					if (group.parent == groupStack.peek()) {
+					if (group.getParent() == groupStack.peek()) {
 						groupStack.push(group);
 						startGroup(group);
 						break;
@@ -201,8 +282,7 @@ public class PwDbV4Output extends PwDbOutput {
 	}
 	
 	private void outputDatabase(OutputStream os) throws IllegalArgumentException, IllegalStateException, IOException {
-		binPool = new BinaryPool((PwGroupV4)mPM.rootGroup);
-		
+
 		xml = Xml.newSerializer();
 		
 		xml.setOutput(os, "UTF-8");
@@ -354,21 +434,21 @@ public class PwDbV4Output extends PwDbOutput {
 	
 	private void startGroup(PwGroupV4 group) throws IllegalArgumentException, IllegalStateException, IOException {
 		xml.startTag(null, ElemGroup);
-		writeObject(ElemUuid, group.uuid);
-		writeObject(ElemName, group.name);
-		writeObject(ElemNotes, group.notes);
-		writeObject(ElemIcon, group.icon.iconId);
+		writeObject(ElemUuid, group.getUUID());
+		writeObject(ElemName, group.getName());
+		writeObject(ElemNotes, group.getNotes());
+		writeObject(ElemIcon, group.getIconStandard().iconId);
 		
-		if (!group.customIcon.equals(PwIconCustom.ZERO)) {
-			writeObject(ElemCustomIconID, group.customIcon.uuid);
+		if (!group.getCustomIcon().equals(PwIconCustom.ZERO)) {
+			writeObject(ElemCustomIconID, group.getCustomIcon().uuid);
 		}
 		
 		writeList(ElemTimes, group);
-		writeObject(ElemIsExpanded, group.isExpanded);
-		writeObject(ElemGroupDefaultAutoTypeSeq, group.defaultAutoTypeSequence);
-		writeObject(ElemEnableAutoType, group.enableAutoType);
-		writeObject(ElemEnableSearching, group.enableSearching);
-		writeObject(ElemLastTopVisibleEntry, group.lastTopVisibleEntry);
+		writeObject(ElemIsExpanded, group.isExpanded());
+		writeObject(ElemGroupDefaultAutoTypeSeq, group.getDefaultAutoTypeSequence());
+		writeObject(ElemEnableAutoType, group.getEnableAutoType());
+		writeObject(ElemEnableSearching, group.getEnableSearching());
+		writeObject(ElemLastTopVisibleEntry, group.getLastTopVisibleEntry());
 		
 	}
 	
@@ -381,28 +461,28 @@ public class PwDbV4Output extends PwDbOutput {
 		
 		xml.startTag(null, ElemEntry);
 		
-		writeObject(ElemUuid, entry.uuid);
-		writeObject(ElemIcon, entry.icon.iconId);
+		writeObject(ElemUuid, entry.getUUID());
+		writeObject(ElemIcon, entry.getIconStandard().iconId);
 		
-		if (!entry.customIcon.equals(PwIconCustom.ZERO)) {
-			writeObject(ElemCustomIconID, entry.customIcon.uuid);
+		if (!entry.getCustomIcon().equals(PwIconCustom.ZERO)) {
+			writeObject(ElemCustomIconID, entry.getCustomIcon().uuid);
 		}
 		
-		writeObject(ElemFgColor, entry.foregroundColor);
-		writeObject(ElemBgColor, entry.backgroupColor);
-		writeObject(ElemOverrideUrl, entry.overrideURL);
-		writeObject(ElemTags, entry.tags);
+		writeObject(ElemFgColor, entry.getForegroundColor());
+		writeObject(ElemBgColor, entry.getBackgroupColor());
+		writeObject(ElemOverrideUrl, entry.getOverrideURL());
+		writeObject(ElemTags, entry.getTags());
 		
 		writeList(ElemTimes, entry);
 		
-		writeList(entry.strings, true);
-		writeList(entry.binaries);
-		writeList(ElemAutoType, entry.autoType);
+		writeList(entry.getFields(), true);
+		writeList(entry.getBinaries());
+		writeList(ElemAutoType, entry.getAutoType());
 		
 		if (!isHistory) {
-			writeList(ElemHistory, entry.history, true);
+			writeList(ElemHistory, entry.getHistory(), true);
 		} else {
-			assert(entry.history.size() == 0);
+			assert(entry.sizeOfHistory() == 0);
 		}
 		
 		xml.endTag(null, ElemEntry);
@@ -420,7 +500,7 @@ public class PwDbV4Output extends PwDbOutput {
 		xml.startTag(null, ElemValue);
 		String strRef = null;
 		if (allowRef) {
-			int ref = binPool.poolFind(value);
+			int ref = mPM.binPool.poolFind(value);
 			strRef = Integer.toString(ref);
 		}
 		
@@ -480,7 +560,7 @@ public class PwDbV4Output extends PwDbOutput {
 	
 	private void writeObject(String name, Date value) throws IllegalArgumentException, IllegalStateException, IOException {
 		if (header.version < PwDbHeaderV4.FILE_VERSION_32_4) {
-			writeObject(name, PwDatabaseV4XML.dateFormat.format(value));
+			writeObject(name, PwDatabaseV4XML.dateFormatter.get().format(value));
 		} else {
 			DateTime dt = new DateTime(value);
 			long seconds = DateUtil.convertDateToKDBX4Time(dt);
@@ -675,13 +755,13 @@ public class PwDbV4Output extends PwDbOutput {
 		
 		xml.startTag(null, name);
 		
-		writeObject(ElemLastModTime, it.getLastModificationTime());
-		writeObject(ElemCreationTime, it.getCreationTime());
-		writeObject(ElemLastAccessTime, it.getLastAccessTime());
-		writeObject(ElemExpiryTime, it.getExpiryTime());
+		writeObject(ElemLastModTime, it.getLastModificationTime().getDate());
+		writeObject(ElemCreationTime, it.getCreationTime().getDate());
+		writeObject(ElemLastAccessTime, it.getLastAccessTime().getDate());
+		writeObject(ElemExpiryTime, it.getExpiryTime().getDate());
 		writeObject(ElemExpires, it.expires());
 		writeObject(ElemUsageCount, it.getUsageCount());
-		writeObject(ElemLocationChanged, it.getLocationChanged());
+		writeObject(ElemLocationChanged, it.getLocationChanged().getDate());
 		
 		xml.endTag(null, name);
 	}
@@ -720,7 +800,7 @@ public class PwDbV4Output extends PwDbOutput {
 	private void writeBinPool() throws IllegalArgumentException, IllegalStateException, IOException {
 		xml.startTag(null, ElemBinaries);
 		
-		for (Entry<Integer, ProtectedBinary> pair : binPool.entrySet()) {
+		for (Entry<Integer, ProtectedBinary> pair : mPM.binPool.entrySet()) {
 			xml.startTag(null, ElemBinary);
 			xml.attribute(null, AttrId, Integer.toString(pair.getKey()));