First commit for cancelable loading

2.5.0.0beta23

.github/ISSUE_TEMPLATE/bug_report.md

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

.github/ISSUE_TEMPLATE/feature_request.md

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

CHANGELOG

@@ -1,3 +1,37 @@
+KeepassDX (2.5.0.0beta24)
+ * Add settings (Color, Security, Master Key)
+ * Show history of each entry
+ * Auto repair database for nodes with same UUID
+ * Management of expired nodes
+ * Multi-selection for actions (Cut - Copy - Delete)
+ * Fix settings
+ * Fix edit group
+ * Fix small bugs
+
+KeepassDX (2.5.0.0beta23)
+ * New, more secure database creation workflow
+ * Recognize more database files
+ * Add alias for history files (WARNING: history is erased)
+ * New Biometric unlock (Fingerprint with new API)
+ * Fix entry references
+ * Fix OOM with KeyFile
+ * Fix small issues
+
+KeepassDX (2.5.0.0beta22)
+ * Rebuild code for actions
+ * Add UUID as entry view
+ * Fix bug with natural order
+ * Fix number of entries in databaseV1
+ * New entry views
+
+KeepassDX (2.5.0.0beta21)
+ * Fix nested groups no longer visible in V1 databases
+ * Improved data import algorithm for V1 databases
+ * Add natural database sort
+ * Add username database sort
+ * Fix button disabled with only KeyFile
+ * Show the number of entries in a group
+
 KeepassDX (2.5.0.0beta20)
  * Fix a major bug that displays an entry history
 

CONTRIBUTORS

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

app/.gitignore

@@ -1 +1,2 @@
+.cxx
 .externalNativeBuild

app/build.gradle

@@ -4,15 +4,16 @@ apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-kapt'
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
     buildToolsVersion '28.0.3'
+    ndkVersion "20.0.5594570"
 
     defaultConfig {
         applicationId "com.kunzisoft.keepass"
         minSdkVersion 14
-        targetSdkVersion 27
-        versionCode = 20
-        versionName = "2.5.0.0beta20"
+        targetSdkVersion 28
+        versionCode = 24
+        versionName = "2.5.0.0beta24"
         multiDexEnabled true
 
         testApplicationId = "com.kunzisoft.keepass.tests"
@@ -79,42 +80,35 @@ android {
     }
 }
 
-def supportVersion = "27.1.1"
 def spongycastleVersion = "1.58.0.0"
-def permissionDispatcherVersion = "3.3.1"
+def room_version = "2.2.0"
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation "com.android.support:appcompat-v7:$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.android.support.constraint:constraint-layout:1.1.3'
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.preference:preference:1.1.0'
+    implementation 'androidx.legacy:legacy-preference-v14:1.0.0'
+    implementation 'androidx.cardview:cardview:1.0.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'androidx.biometric:biometric:1.0.0-rc01'
+    implementation 'com.google.android.material:material:1.0.0'
+
+    implementation "androidx.room:room-runtime:$room_version"
+    kapt "androidx.room:room-compiler:$room_version"
+
     implementation "com.madgag.spongycastle:core:$spongycastleVersion"
     implementation "com.madgag.spongycastle:prov:$spongycastleVersion"
-    // Expandable view
-    implementation 'net.cachapa.expandablelayout:expandablelayout:2.9.2'
     // Time
     implementation 'joda-time:joda-time:2.9.9'
-    implementation 'org.sufficientlysecure:html-textview:3.5'
-    implementation 'com.nononsenseapps:filepicker:4.1.0'
+    // Color
+    implementation 'com.github.Kunzisoft:AndroidClearChroma:2.3'
+    // Education
     implementation 'com.getkeepsafe.taptargetview:taptargetview:1.12.0'
-    // Permissions
-    implementation("com.github.hotchemi:permissionsdispatcher:$permissionDispatcherVersion") {
-        // if you don't use android.app.Fragment you can exclude support for them
-        exclude module: "support-v13"
-    }
-    kapt "com.github.hotchemi:permissionsdispatcher-processor:$permissionDispatcherVersion"
     // Apache Commons Collections
     implementation 'commons-collections:commons-collections:3.2.1'
     implementation 'org.apache.commons:commons-io:1.3.2'
     // Base64
     implementation 'biz.source_code:base64coder:2010-12-19'
-    // IO-Extras
-    implementation 'com.github.davidmoten:io-extras:0.1'
-    implementation 'com.google.code.gson:gson:2.8.4'
-    implementation 'com.google.guava:guava:23.0-android'
     // Icon pack
     implementation project(path: ':icon-pack-classic')
     implementation project(path: ':icon-pack-material')

app/src/androidTest/java/com/kunzisoft/keepass/tests/AccentTest.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 3 of the License, or
- * (at your option) any later version.
- *
- * KeePass DX is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with KeePass DX. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests;
-
-import android.test.AndroidTestCase;
-
-import com.kunzisoft.keepass.tests.database.TestData;
-
-public class AccentTest extends AndroidTestCase {
-
-    private static final String KEYFILE = "";
-    private static final String PASSWORD = "é";
-    private static final String ASSET = "accent.kdb";
-    private static final String FILENAME = "/sdcard/accent.kdb";
-
-    public void testOpen() {
-
-        /*
-        try {
-            TestData.GetDb(getContext(), ASSET, PASSWORD, KEYFILE, FILENAME);
-        } catch (Exception e) {
-            assertTrue("Failed to open database", false);
-        }
-        */
-    }
-
-}

app/src/androidTest/java/com/kunzisoft/keepass/tests/AllTests.java

@@ -1,34 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *     
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests;
-
-import junit.framework.Test;
-import junit.framework.TestSuite;
-
-import android.test.suitebuilder.TestSuiteBuilder;
-
-public class AllTests extends TestSuite {
-
-    public static Test suite() {
-        return new TestSuiteBuilder(AllTests.class)
-                .includeAllPackagesUnderHere()
-                .build();
-    }
-}

app/src/androidTest/java/com/kunzisoft/keepass/tests/OutputTests.java

@@ -1,35 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests;
-
-import junit.framework.Test;
-import junit.framework.TestSuite;
-
-import android.test.suitebuilder.TestSuiteBuilder;
-
-public class OutputTests extends TestSuite {
-
-    public static Test suite() {
-
-        return new TestSuiteBuilder(AllTests.class)
-                .includePackages("com.kunzisoft.keepass.tests.output")
-                .build();
-    }
-}

app/src/androidTest/java/com/kunzisoft/keepass/tests/PwEntryTestV3.java

@@ -1,63 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests;
-
-import static org.junit.Assert.assertArrayEquals;
-
-import java.io.UnsupportedEncodingException;
-import java.util.Calendar;
-
-
-import android.test.AndroidTestCase;
-
-import com.kunzisoft.keepass.database.element.PwEntryV3;
-import com.kunzisoft.keepass.tests.database.TestData;
-
-public class PwEntryTestV3 extends AndroidTestCase {
-    PwEntryV3 mPE;
-
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-
-        // mPE = (PwEntryV3) TestData.GetTest1(getContext()).getEntryAt(0);
-
-    }
-
-    public void testName() {
-        assertTrue("Name was " + mPE.getTitle(), mPE.getTitle().equals("Amazon"));
-    }
-
-    public void testPassword() throws UnsupportedEncodingException {
-        String sPass = "12345";
-        byte[] password = sPass.getBytes("UTF-8");
-
-        assertArrayEquals(password, mPE.getPasswordBytes());
-    }
-
-    public void testCreation() {
-        Calendar cal = Calendar.getInstance();
-        cal.setTime(mPE.getCreationTime().getDate());
-
-        assertEquals("Incorrect year.", cal.get(Calendar.YEAR), 2009);
-        assertEquals("Incorrect month.", cal.get(Calendar.MONTH), 3);
-        assertEquals("Incorrect day.", cal.get(Calendar.DAY_OF_MONTH), 23);
-    }
-}

app/src/androidTest/java/com/kunzisoft/keepass/tests/PwEntryTestV4.java

@@ -1,59 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests;
-
-import junit.framework.TestCase;
-
-public class PwEntryTestV4 extends TestCase {
-    public void testAssign() {
-		/*
-		TODO Test
-		PwEntryV4 entry = new PwEntryV4();
-		
-		entry.setAdditional("test223");
-		
-		entry.setAutoType(new AutoType());
-		entry.getAutoType().defaultSequence = "1324";
-		entry.getAutoType().enabled = true;
-		entry.getAutoType().obfuscationOptions = 123412432109L;
-		entry.getAutoType().put("key", "value");
-		
-		entry.setBackgroundColor("blue");
-		entry.putProtectedBinary("key1", new ProtectedBinary(false, new byte[] {0,1}));
-		entry.setIconCustom(new PwIconCustom(UUID.randomUUID(), new byte[0]));
-		entry.setForegroundColor("red");
-		entry.addToHistory(new PwEntryV4());
-		entry.setIconStandard(new PwIconStandard(5));
-		entry.setOverrideURL("override");
-		entry.setParent(new PwGroupV4());
-		entry.addExtraField("key2", new ProtectedString(false, "value2"));
-		entry.setUrl("http://localhost");
-		entry.setNodeId(UUID.randomUUID());
-
-		PwEntryV4 target = new PwEntryV4();
-		target.updateWith(entry);
-		
-		/* This test is not so useful now that I am not implementing value equality for Entries
-		assertTrue("Entries do not match.", entry.equals(target));
-		*/
-
-    }
-
-}

app/src/androidTest/java/com/kunzisoft/keepass/tests/PwGroupTest.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 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests;
-
-
-import android.test.AndroidTestCase;
-
-import com.kunzisoft.keepass.database.element.PwGroupV3;
-import com.kunzisoft.keepass.tests.database.TestData;
-
-public class PwGroupTest extends AndroidTestCase {
-
-    PwGroupV3 mPG;
-
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-
-        //mPG = (PwGroupV3) TestData.GetTest1(getContext()).getGroups().get(0);
-
-    }
-
-    public void testGroupName() {
-        //assertTrue("Name was " + mPG.getTitle(), mPG.getTitle().equals("Internet"));
-    }
-}
-

app/src/androidTest/java/com/kunzisoft/keepass/tests/TestUtil.java

@@ -1,56 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests;
-
-import android.content.Context;
-import android.content.res.AssetManager;
-import android.os.Environment;
-
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.InputStream;
-
-public class TestUtil {
-    private static final File sdcard = Environment.getExternalStorageDirectory();
-
-    public static void extractKey(Context ctx, String asset, String target) throws Exception {
-
-        InputStream key = ctx.getAssets().open(asset, AssetManager.ACCESS_STREAMING);
-
-        FileOutputStream keyFile = new FileOutputStream(target);
-        while (true) {
-            byte[] buf = new byte[1024];
-            int read = key.read(buf);
-            if ( read == -1 ) {
-                break;
-            } else {
-                keyFile.write(buf, 0, read);
-            }
-        }
-
-        keyFile.close();
-
-    }
-
-    public static String getSdPath(String filename) {
-        File file = new File(sdcard, filename);
-        return file.getAbsolutePath();
-    }
-}

app/src/androidTest/java/com/kunzisoft/keepass/tests/TypesTest.java

@@ -1,211 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests;
-
-import static org.junit.Assert.assertArrayEquals;
-
-import java.io.ByteArrayOutputStream;
-import java.util.Calendar;
-import java.util.Random;
-import java.util.UUID;
-
-import junit.framework.TestCase;
-
-import com.kunzisoft.keepass.database.element.PwDate;
-import com.kunzisoft.keepass.stream.LEDataInputStream;
-import com.kunzisoft.keepass.stream.LEDataOutputStream;
-import com.kunzisoft.keepass.utils.Types;
-
-public class TypesTest extends TestCase {
-
-    public void testReadWriteLongZero() {
-        testReadWriteLong((byte) 0);
-    }
-
-    public void testReadWriteLongMax() {
-        testReadWriteLong(Byte.MAX_VALUE);
-    }
-
-    public void testReadWriteLongMin() {
-        testReadWriteLong(Byte.MIN_VALUE);
-    }
-
-    public void testReadWriteLongRnd() {
-        Random rnd = new Random();
-        byte[] buf = new byte[1];
-        rnd.nextBytes(buf);
-
-        testReadWriteLong(buf[0]);
-    }
-
-    private void testReadWriteLong(byte value) {
-        byte[] orig = new byte[8];
-        byte[] dest = new byte[8];
-
-        setArray(orig, value, 0, 8);
-
-        long one = LEDataInputStream.readLong(orig, 0);
-        LEDataOutputStream.writeLong(one, dest, 0);
-
-        assertArrayEquals(orig, dest);
-
-    }
-
-    public void testReadWriteIntZero() {
-        testReadWriteInt((byte) 0);
-    }
-
-    public void testReadWriteIntMin() {
-        testReadWriteInt(Byte.MIN_VALUE);
-    }
-
-    public void testReadWriteIntMax() {
-        testReadWriteInt(Byte.MAX_VALUE);
-    }
-
-    private void testReadWriteInt(byte value) {
-        byte[] orig = new byte[4];
-        byte[] dest = new byte[4];
-
-        for (int i = 0; i < 4; i++ ) {
-            orig[i] = 0;
-        }
-
-        setArray(orig, value, 0, 4);
-
-        int one = LEDataInputStream.readInt(orig, 0);
-
-        LEDataOutputStream.writeInt(one, dest, 0);
-
-        assertArrayEquals(orig, dest);
-
-    }
-
-    private void setArray(byte[] buf, byte value, int offset, int size) {
-        for (int i = offset; i < offset + size; i++) {
-            buf[i] = value;
-        }
-    }
-
-    public void testReadWriteShortOne() {
-        byte[] orig = new byte[2];
-        byte[] dest = new byte[2];
-
-        orig[0] = 0;
-        orig[1] = 1;
-
-        int one = LEDataInputStream.readUShort(orig, 0);
-        dest = LEDataOutputStream.writeUShortBuf(one);
-
-        assertArrayEquals(orig, dest);
-
-    }
-
-    public void testReadWriteShortMin() {
-        testReadWriteShort(Byte.MIN_VALUE);
-    }
-
-    public void testReadWriteShortMax() {
-        testReadWriteShort(Byte.MAX_VALUE);
-    }
-
-    private void testReadWriteShort(byte value) {
-        byte[] orig = new byte[2];
-        byte[] dest = new byte[2];
-
-        setArray(orig, value, 0, 2);
-
-        int one = LEDataInputStream.readUShort(orig, 0);
-        LEDataOutputStream.writeUShort(one, dest, 0);
-
-        assertArrayEquals(orig, dest);
-
-    }
-
-    public void testReadWriteByteZero() {
-        testReadWriteByte((byte) 0);
-    }
-
-    public void testReadWriteByteMin() {
-        testReadWriteByte(Byte.MIN_VALUE);
-    }
-
-    public void testReadWriteByteMax() {
-        testReadWriteShort(Byte.MAX_VALUE);
-    }
-
-    private void testReadWriteByte(byte value) {
-        byte[] orig = new byte[1];
-        byte[] dest = new byte[1];
-
-        setArray(orig, value, 0, 1);
-
-        int one = Types.readUByte(orig, 0);
-        Types.writeUByte(one, dest, 0);
-
-        assertArrayEquals(orig, dest);
-
-    }
-
-    public void testDate() {
-        Calendar cal = Calendar.getInstance();
-
-        Calendar expected = Calendar.getInstance();
-        expected.set(2008, 1, 2, 3, 4, 5);
-
-        byte[] buf = PwDate.Companion.writeTime(expected.getTime(), cal);
-        Calendar actual = Calendar.getInstance();
-        actual.setTime(PwDate.Companion.readTime(buf, 0, cal));
-
-        assertEquals("Year mismatch: ", 2008, actual.get(Calendar.YEAR));
-        assertEquals("Month mismatch: ", 1, actual.get(Calendar.MONTH));
-        assertEquals("Day mismatch: ", 1, actual.get(Calendar.DAY_OF_MONTH));
-        assertEquals("Hour mismatch: ", 3, actual.get(Calendar.HOUR_OF_DAY));
-        assertEquals("Minute mismatch: ", 4, actual.get(Calendar.MINUTE));
-        assertEquals("Second mismatch: ", 5, actual.get(Calendar.SECOND));
-    }
-
-    public void testUUID() {
-        Random rnd = new Random();
-        byte[] bUUID = new byte[16];
-        rnd.nextBytes(bUUID);
-
-        UUID uuid = Types.bytestoUUID(bUUID);
-        byte[] eUUID = Types.UUIDtoBytes(uuid);
-
-        assertArrayEquals("UUID match failed", bUUID, eUUID);
-    }
-
-    public void testULongMax() throws Exception {
-        byte[] ulongBytes = new byte[8];
-        for (int i = 0; i < ulongBytes.length; i++) {
-            ulongBytes[i] = -1;
-        }
-
-        ByteArrayOutputStream bos = new ByteArrayOutputStream();
-        LEDataOutputStream leos = new LEDataOutputStream(bos);
-        leos.writeLong(Types.ULONG_MAX_VALUE);
-        leos.close();
-
-        byte[] uLongMax = bos.toByteArray();
-
-        assertArrayEquals(ulongBytes, uLongMax);
-    }
-}

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

@@ -0,0 +1,210 @@
+/*
+ * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
+ *
+ * This file is part of KeePass DX.
+ *
+ *  KeePass DX is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  KeePass DX is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.kunzisoft.keepass.tests
+
+import org.junit.Assert.assertArrayEquals
+
+import java.io.ByteArrayOutputStream
+import java.util.Calendar
+import java.util.Random
+
+import junit.framework.TestCase
+
+import com.kunzisoft.keepass.database.element.PwDate
+import com.kunzisoft.keepass.stream.LEDataInputStream
+import com.kunzisoft.keepass.stream.LEDataOutputStream
+import com.kunzisoft.keepass.utils.Types
+
+class TypesTest : TestCase() {
+
+    fun testReadWriteLongZero() {
+        testReadWriteLong(0.toByte())
+    }
+
+    fun testReadWriteLongMax() {
+        testReadWriteLong(java.lang.Byte.MAX_VALUE)
+    }
+
+    fun testReadWriteLongMin() {
+        testReadWriteLong(java.lang.Byte.MIN_VALUE)
+    }
+
+    fun testReadWriteLongRnd() {
+        val rnd = Random()
+        val buf = ByteArray(1)
+        rnd.nextBytes(buf)
+
+        testReadWriteLong(buf[0])
+    }
+
+    private fun testReadWriteLong(value: Byte) {
+        val orig = ByteArray(8)
+        val dest = ByteArray(8)
+
+        setArray(orig, value, 0, 8)
+
+        val one = LEDataInputStream.readLong(orig, 0)
+        LEDataOutputStream.writeLong(one, dest, 0)
+
+        assertArrayEquals(orig, dest)
+
+    }
+
+    fun testReadWriteIntZero() {
+        testReadWriteInt(0.toByte())
+    }
+
+    fun testReadWriteIntMin() {
+        testReadWriteInt(java.lang.Byte.MIN_VALUE)
+    }
+
+    fun testReadWriteIntMax() {
+        testReadWriteInt(java.lang.Byte.MAX_VALUE)
+    }
+
+    private fun testReadWriteInt(value: Byte) {
+        val orig = ByteArray(4)
+        val dest = ByteArray(4)
+
+        for (i in 0..3) {
+            orig[i] = 0
+        }
+
+        setArray(orig, value, 0, 4)
+
+        val one = LEDataInputStream.readInt(orig, 0)
+
+        LEDataOutputStream.writeInt(one, dest, 0)
+
+        assertArrayEquals(orig, dest)
+
+    }
+
+    private fun setArray(buf: ByteArray, value: Byte, offset: Int, size: Int) {
+        for (i in offset until offset + size) {
+            buf[i] = value
+        }
+    }
+
+    fun testReadWriteShortOne() {
+        val orig = ByteArray(2)
+
+        orig[0] = 0
+        orig[1] = 1
+
+        val one = LEDataInputStream.readUShort(orig, 0)
+        val dest = LEDataOutputStream.writeUShortBuf(one)
+
+        assertArrayEquals(orig, dest)
+
+    }
+
+    fun testReadWriteShortMin() {
+        testReadWriteShort(java.lang.Byte.MIN_VALUE)
+    }
+
+    fun testReadWriteShortMax() {
+        testReadWriteShort(java.lang.Byte.MAX_VALUE)
+    }
+
+    private fun testReadWriteShort(value: Byte) {
+        val orig = ByteArray(2)
+        val dest = ByteArray(2)
+
+        setArray(orig, value, 0, 2)
+
+        val one = LEDataInputStream.readUShort(orig, 0)
+        LEDataOutputStream.writeUShort(one, dest, 0)
+
+        assertArrayEquals(orig, dest)
+
+    }
+
+    fun testReadWriteByteZero() {
+        testReadWriteByte(0.toByte())
+    }
+
+    fun testReadWriteByteMin() {
+        testReadWriteByte(java.lang.Byte.MIN_VALUE)
+    }
+
+    fun testReadWriteByteMax() {
+        testReadWriteShort(java.lang.Byte.MAX_VALUE)
+    }
+
+    private fun testReadWriteByte(value: Byte) {
+        val orig = ByteArray(1)
+        val dest = ByteArray(1)
+
+        setArray(orig, value, 0, 1)
+
+        val one = Types.readUByte(orig, 0)
+        Types.writeUByte(one, dest, 0)
+
+        assertArrayEquals(orig, dest)
+
+    }
+
+    fun testDate() {
+        val cal = Calendar.getInstance()
+
+        val expected = Calendar.getInstance()
+        expected.set(2008, 1, 2, 3, 4, 5)
+
+        val buf = PwDate.writeTime(expected.time, cal)
+        val actual = Calendar.getInstance()
+        actual.time = PwDate.readTime(buf, 0, cal)
+
+        assertEquals("Year mismatch: ", 2008, actual.get(Calendar.YEAR))
+        assertEquals("Month mismatch: ", 1, actual.get(Calendar.MONTH))
+        assertEquals("Day mismatch: ", 1, actual.get(Calendar.DAY_OF_MONTH))
+        assertEquals("Hour mismatch: ", 3, actual.get(Calendar.HOUR_OF_DAY))
+        assertEquals("Minute mismatch: ", 4, actual.get(Calendar.MINUTE))
+        assertEquals("Second mismatch: ", 5, actual.get(Calendar.SECOND))
+    }
+
+    fun testUUID() {
+        val rnd = Random()
+        val bUUID = ByteArray(16)
+        rnd.nextBytes(bUUID)
+
+        val uuid = Types.bytestoUUID(bUUID)
+        val eUUID = Types.UUIDtoBytes(uuid)
+
+        assertArrayEquals("UUID match failed", bUUID, eUUID)
+    }
+
+    @Throws(Exception::class)
+    fun testULongMax() {
+        val ulongBytes = ByteArray(8)
+        for (i in ulongBytes.indices) {
+            ulongBytes[i] = -1
+        }
+
+        val bos = ByteArrayOutputStream()
+        val leos = LEDataOutputStream(bos)
+        leos.writeLong(Types.ULONG_MAX_VALUE)
+        leos.close()
+
+        val uLongMax = bos.toByteArray()
+
+        assertArrayEquals(ulongBytes, uLongMax)
+    }
+}

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

@@ -1,83 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- * KeePass DX is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * KeePass DX is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with KeePass DX. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests.crypto;
-
-import com.kunzisoft.keepass.crypto.CipherFactory;
-
-import junit.framework.TestCase;
-
-import java.security.InvalidAlgorithmParameterException;
-import java.security.InvalidKeyException;
-import java.security.NoSuchAlgorithmException;
-import java.util.Random;
-
-import javax.crypto.BadPaddingException;
-import javax.crypto.Cipher;
-import javax.crypto.IllegalBlockSizeException;
-import javax.crypto.NoSuchPaddingException;
-import javax.crypto.spec.IvParameterSpec;
-import javax.crypto.spec.SecretKeySpec;
-
-import static org.junit.Assert.assertArrayEquals;
-
-public class AESTest extends TestCase {
-
-    private Random mRand = new Random();
-
-    public void testEncrypt() throws InvalidKeyException, NoSuchAlgorithmException, NoSuchPaddingException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException {
-        // Test above below and at the blocksize
-        testFinal(15);
-        testFinal(16);
-        testFinal(17);
-
-        // Test random larger sizes
-        int size = mRand.nextInt(494) + 18;
-        testFinal(size);
-    }
-
-    private void testFinal(int dataSize) throws NoSuchAlgorithmException, NoSuchPaddingException, IllegalBlockSizeException, BadPaddingException, InvalidKeyException, InvalidAlgorithmParameterException {
-
-        // Generate some input
-        byte[] input = new byte[dataSize];
-        mRand.nextBytes(input);
-
-        // Generate key
-        byte[] keyArray = new byte[32];
-        mRand.nextBytes(keyArray);
-        SecretKeySpec key = new SecretKeySpec(keyArray, "AES");
-
-        // Generate IV
-        byte[] ivArray = new byte[16];
-        mRand.nextBytes(ivArray);
-        IvParameterSpec iv = new IvParameterSpec(ivArray);
-
-        Cipher android = CipherFactory.INSTANCE.getInstance("AES/CBC/PKCS5Padding", true);
-        android.init(Cipher.ENCRYPT_MODE, key, iv);
-        byte[] outAndroid = android.doFinal(input, 0, dataSize);
-
-        Cipher nat = CipherFactory.INSTANCE.getInstance("AES/CBC/PKCS5Padding");
-        nat.init(Cipher.ENCRYPT_MODE, key, iv);
-        byte[] outNative = nat.doFinal(input, 0, dataSize);
-
-        assertArrayEquals("Arrays differ on size: " + dataSize, outAndroid, outNative);
-    }
-
-
-}

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

@@ -0,0 +1,85 @@
+/*
+ * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
+ *
+ * This file is part of KeePass DX.
+ *
+ * KeePass DX is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * KeePass DX is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with KeePass DX. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.kunzisoft.keepass.tests.crypto
+
+import com.kunzisoft.keepass.crypto.CipherFactory
+
+import junit.framework.TestCase
+
+import java.security.InvalidAlgorithmParameterException
+import java.security.InvalidKeyException
+import java.security.NoSuchAlgorithmException
+import java.util.Random
+
+import javax.crypto.BadPaddingException
+import javax.crypto.Cipher
+import javax.crypto.IllegalBlockSizeException
+import javax.crypto.NoSuchPaddingException
+import javax.crypto.spec.IvParameterSpec
+import javax.crypto.spec.SecretKeySpec
+
+import org.junit.Assert.assertArrayEquals
+
+class AESTest : TestCase() {
+
+    private val mRand = Random()
+
+    @Throws(InvalidKeyException::class, NoSuchAlgorithmException::class, NoSuchPaddingException::class, IllegalBlockSizeException::class, BadPaddingException::class, InvalidAlgorithmParameterException::class)
+    fun testEncrypt() {
+        // Test above below and at the blocksize
+        testFinal(15)
+        testFinal(16)
+        testFinal(17)
+
+        // Test random larger sizes
+        val size = mRand.nextInt(494) + 18
+        testFinal(size)
+    }
+
+    @Throws(NoSuchAlgorithmException::class, NoSuchPaddingException::class, IllegalBlockSizeException::class, BadPaddingException::class, InvalidKeyException::class, InvalidAlgorithmParameterException::class)
+    private fun testFinal(dataSize: Int) {
+
+        // Generate some input
+        val input = ByteArray(dataSize)
+        mRand.nextBytes(input)
+
+        // Generate key
+        val keyArray = ByteArray(32)
+        mRand.nextBytes(keyArray)
+        val key = SecretKeySpec(keyArray, "AES")
+
+        // Generate IV
+        val ivArray = ByteArray(16)
+        mRand.nextBytes(ivArray)
+        val iv = IvParameterSpec(ivArray)
+
+        val android = CipherFactory.getInstance("AES/CBC/PKCS5Padding", true)
+        android.init(Cipher.ENCRYPT_MODE, key, iv)
+        val outAndroid = android.doFinal(input, 0, dataSize)
+
+        val nat = CipherFactory.getInstance("AES/CBC/PKCS5Padding")
+        nat.init(Cipher.ENCRYPT_MODE, key, iv)
+        val outNative = nat.doFinal(input, 0, dataSize)
+
+        assertArrayEquals("Arrays differ on size: $dataSize", outAndroid, outNative)
+    }
+
+
+}

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

@@ -1,100 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- * KeePass DX is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * KeePass DX is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with KeePass DX. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests.crypto;
-
-import static org.junit.Assert.assertArrayEquals;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.security.InvalidAlgorithmParameterException;
-import java.security.InvalidKeyException;
-import java.security.NoSuchAlgorithmException;
-import java.util.Random;
-
-import javax.crypto.BadPaddingException;
-import javax.crypto.Cipher;
-import javax.crypto.CipherOutputStream;
-import javax.crypto.IllegalBlockSizeException;
-import javax.crypto.NoSuchPaddingException;
-
-import junit.framework.TestCase;
-
-import com.kunzisoft.keepass.crypto.CipherFactory;
-import com.kunzisoft.keepass.crypto.engine.AesEngine;
-import com.kunzisoft.keepass.crypto.engine.CipherEngine;
-import com.kunzisoft.keepass.stream.BetterCipherInputStream;
-import com.kunzisoft.keepass.stream.LEDataInputStream;
-
-public class CipherTest extends TestCase {
-    private Random rand = new Random();
-
-    public void testCipherFactory() throws InvalidKeyException, NoSuchAlgorithmException, NoSuchPaddingException, InvalidAlgorithmParameterException, IllegalBlockSizeException, BadPaddingException {
-        byte[] key = new byte[32];
-        byte[] iv = new byte[16];
-
-        byte[] plaintext = new byte[1024];
-
-        rand.nextBytes(key);
-        rand.nextBytes(iv);
-        rand.nextBytes(plaintext);
-
-        CipherEngine aes = CipherFactory.INSTANCE.getInstance(AesEngine.CIPHER_UUID);
-        Cipher encrypt = aes.getCipher(Cipher.ENCRYPT_MODE, key, iv);
-        Cipher decrypt = aes.getCipher(Cipher.DECRYPT_MODE, key, iv);
-
-        byte[] secrettext = encrypt.doFinal(plaintext);
-        byte[] decrypttext = decrypt.doFinal(secrettext);
-
-        assertArrayEquals("Encryption and decryption failed", plaintext, decrypttext);
-    }
-
-    public void testCipherStreams() throws InvalidKeyException, NoSuchAlgorithmException, NoSuchPaddingException, InvalidAlgorithmParameterException, IllegalBlockSizeException, BadPaddingException, IOException {
-        final int MESSAGE_LENGTH = 1024;
-
-        byte[] key = new byte[32];
-        byte[] iv = new byte[16];
-
-        byte[] plaintext = new byte[MESSAGE_LENGTH];
-
-        rand.nextBytes(key);
-        rand.nextBytes(iv);
-        rand.nextBytes(plaintext);
-
-        CipherEngine aes = CipherFactory.INSTANCE.getInstance(AesEngine.CIPHER_UUID);
-        Cipher encrypt = aes.getCipher(Cipher.ENCRYPT_MODE, key, iv);
-        Cipher decrypt = aes.getCipher(Cipher.DECRYPT_MODE, key, iv);
-
-        ByteArrayOutputStream bos = new ByteArrayOutputStream();
-        CipherOutputStream cos = new CipherOutputStream(bos, encrypt);
-        cos.write(plaintext);
-        cos.close();
-
-        byte[] secrettext = bos.toByteArray();
-
-        ByteArrayInputStream bis = new ByteArrayInputStream(secrettext);
-        BetterCipherInputStream cis = new BetterCipherInputStream(bis, decrypt);
-        LEDataInputStream lis = new LEDataInputStream(cis);
-
-        byte[] decrypttext = lis.readBytes(MESSAGE_LENGTH);
-
-        assertArrayEquals("Encryption and decryption failed", plaintext, decrypttext);
-    }
-}

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

@@ -0,0 +1,102 @@
+/*
+ * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
+ *
+ * This file is part of KeePass DX.
+ *
+ * KeePass DX is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * KeePass DX is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with KeePass DX. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.kunzisoft.keepass.tests.crypto
+
+import org.junit.Assert.assertArrayEquals
+
+import java.io.ByteArrayInputStream
+import java.io.ByteArrayOutputStream
+import java.io.IOException
+import java.security.InvalidAlgorithmParameterException
+import java.security.InvalidKeyException
+import java.security.NoSuchAlgorithmException
+import java.util.Random
+
+import javax.crypto.BadPaddingException
+import javax.crypto.Cipher
+import javax.crypto.CipherOutputStream
+import javax.crypto.IllegalBlockSizeException
+import javax.crypto.NoSuchPaddingException
+
+import junit.framework.TestCase
+
+import com.kunzisoft.keepass.crypto.CipherFactory
+import com.kunzisoft.keepass.crypto.engine.AesEngine
+import com.kunzisoft.keepass.crypto.engine.CipherEngine
+import com.kunzisoft.keepass.stream.BetterCipherInputStream
+import com.kunzisoft.keepass.stream.LEDataInputStream
+
+class CipherTest : TestCase() {
+    private val rand = Random()
+
+    @Throws(InvalidKeyException::class, NoSuchAlgorithmException::class, NoSuchPaddingException::class, InvalidAlgorithmParameterException::class, IllegalBlockSizeException::class, BadPaddingException::class)
+    fun testCipherFactory() {
+        val key = ByteArray(32)
+        val iv = ByteArray(16)
+
+        val plaintext = ByteArray(1024)
+
+        rand.nextBytes(key)
+        rand.nextBytes(iv)
+        rand.nextBytes(plaintext)
+
+        val aes = CipherFactory.getInstance(AesEngine.CIPHER_UUID)
+        val encrypt = aes.getCipher(Cipher.ENCRYPT_MODE, key, iv)
+        val decrypt = aes.getCipher(Cipher.DECRYPT_MODE, key, iv)
+
+        val secrettext = encrypt.doFinal(plaintext)
+        val decrypttext = decrypt.doFinal(secrettext)
+
+        assertArrayEquals("Encryption and decryption failed", plaintext, decrypttext)
+    }
+
+    @Throws(InvalidKeyException::class, NoSuchAlgorithmException::class, NoSuchPaddingException::class, InvalidAlgorithmParameterException::class, IllegalBlockSizeException::class, BadPaddingException::class, IOException::class)
+    fun testCipherStreams() {
+        val MESSAGE_LENGTH = 1024
+
+        val key = ByteArray(32)
+        val iv = ByteArray(16)
+
+        val plaintext = ByteArray(MESSAGE_LENGTH)
+
+        rand.nextBytes(key)
+        rand.nextBytes(iv)
+        rand.nextBytes(plaintext)
+
+        val aes = CipherFactory.getInstance(AesEngine.CIPHER_UUID)
+        val encrypt = aes.getCipher(Cipher.ENCRYPT_MODE, key, iv)
+        val decrypt = aes.getCipher(Cipher.DECRYPT_MODE, key, iv)
+
+        val bos = ByteArrayOutputStream()
+        val cos = CipherOutputStream(bos, encrypt)
+        cos.write(plaintext)
+        cos.close()
+
+        val secrettext = bos.toByteArray()
+
+        val bis = ByteArrayInputStream(secrettext)
+        val cis = BetterCipherInputStream(bis, decrypt)
+        val lis = LEDataInputStream(cis)
+
+        val decrypttext = lis.readBytes(MESSAGE_LENGTH)
+
+        assertArrayEquals("Encryption and decryption failed", plaintext, decrypttext)
+    }
+}

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

@@ -1,66 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- * KeePass DX is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * KeePass DX is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with KeePass DX. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests.crypto;
-
-import static org.junit.Assert.assertArrayEquals;
-
-import java.io.IOException;
-import java.util.Random;
-
-import junit.framework.TestCase;
-
-import com.kunzisoft.keepass.crypto.finalkey.AndroidFinalKey;
-import com.kunzisoft.keepass.crypto.finalkey.NativeFinalKey;
-
-public class FinalKeyTest extends TestCase {
-    private Random mRand;
-
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-
-        mRand = new Random();
-    }
-
-    public void testNativeAndroid() throws IOException {
-        // Test both an old and an even number to test my flip variable
-        testNativeFinalKey(5);
-        testNativeFinalKey(6);
-    }
-
-    private void testNativeFinalKey(int rounds) throws IOException {
-        byte[] seed = new byte[32];
-        byte[] key = new byte[32];
-        byte[] nativeKey;
-        byte[] androidKey;
-
-        mRand.nextBytes(seed);
-        mRand.nextBytes(key);
-
-        AndroidFinalKey aKey = new AndroidFinalKey();
-        androidKey = aKey.transformMasterKey(seed, key, rounds);
-
-        NativeFinalKey nKey = new NativeFinalKey();
-        nativeKey = nKey.transformMasterKey(seed, key, rounds);
-
-        assertArrayEquals("Does not match", androidKey, nativeKey);
-
-    }
-}

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

@@ -0,0 +1,68 @@
+/*
+ * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
+ *
+ * This file is part of KeePass DX.
+ *
+ * KeePass DX is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * KeePass DX is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with KeePass DX. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.kunzisoft.keepass.tests.crypto
+
+import org.junit.Assert.assertArrayEquals
+
+import java.io.IOException
+import java.util.Random
+
+import junit.framework.TestCase
+
+import com.kunzisoft.keepass.crypto.finalkey.AndroidFinalKey
+import com.kunzisoft.keepass.crypto.finalkey.NativeFinalKey
+
+class FinalKeyTest : TestCase() {
+    private var mRand: Random? = null
+
+    @Throws(Exception::class)
+    override fun setUp() {
+        super.setUp()
+
+        mRand = Random()
+    }
+
+    @Throws(IOException::class)
+    fun testNativeAndroid() {
+        // Test both an old and an even number to test my flip variable
+        testNativeFinalKey(5)
+        testNativeFinalKey(6)
+    }
+
+    @Throws(IOException::class)
+    private fun testNativeFinalKey(rounds: Int) {
+        val seed = ByteArray(32)
+        val key = ByteArray(32)
+        val nativeKey: ByteArray
+        val androidKey: ByteArray
+
+        mRand!!.nextBytes(seed)
+        mRand!!.nextBytes(key)
+
+        val aKey = AndroidFinalKey()
+        androidKey = aKey.transformMasterKey(seed, key, rounds.toLong())
+
+        val nKey = NativeFinalKey()
+        nativeKey = nKey.transformMasterKey(seed, key, rounds.toLong())
+
+        assertArrayEquals("Does not match", androidKey, nativeKey)
+
+    }
+}

app/src/androidTest/java/com/kunzisoft/keepass/tests/database/DeleteEntry.java

@@ -1,111 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests.database;
-
-import android.test.AndroidTestCase;
-import com.kunzisoft.keepass.database.element.GroupVersioned;
-import com.kunzisoft.keepass.database.element.PwDatabase;
-import com.kunzisoft.keepass.database.element.PwDatabaseV3;
-import com.kunzisoft.keepass.database.element.PwEntryV3;
-
-public class DeleteEntry extends AndroidTestCase {
-    private static final String GROUP1_NAME = "Group1";
-    private static final String ENTRY1_NAME = "Test1";
-    private static final String ENTRY2_NAME = "Test2";
-    private static final String KEYFILE = "";
-    private static final String PASSWORD = "12345";
-    private static final String ASSET = "delete.kdb";
-    private static final String FILENAME = "/sdcard/delete.kdb";
-
-    public void testDelete() {
-
-		/*
-		Database db;
-		
-		Context ctx = getContext();
-		
-		try {
-			db = TestData.GetDb(ctx, ASSET, PASSWORD, KEYFILE, FILENAME);
-		} catch (Exception e) {
-			assertTrue("Failed to open database: " + e.getMessage(), false);
-			return;
-		}
-		
-		PwDatabaseV3 pm = (PwDatabaseV3) db.getPwDatabase();
-		GroupVersioned group1 = getGroup(pm, GROUP1_NAME);
-		assertNotNull("Could not find group1", group1);
-		
-		// Delete the group
-		DeleteGroupRunnable task = new DeleteGroupRunnable(null, db, group1, null, true);
-		task.run();
-		
-		// Verify the entries were deleted
-		PwEntryInterface entry1 = getEntry(pm, ENTRY1_NAME);
-		assertNull("Entry 1 was not removed", entry1);
-
-		PwEntryInterface entry2 = getEntry(pm, ENTRY2_NAME);
-		assertNull("Entry 2 was not removed", entry2);
-		
-		// Verify the entries were removed from the search index
-		SearchDbHelper dbHelp = new SearchDbHelper(ctx);
-		GroupVersioned results1 = dbHelp.search(db.getPwDatabase(), ENTRY1_NAME, 100);
-		GroupVersioned results2 = dbHelp.search(db.getPwDatabase(), ENTRY2_NAME, 100);
-		
-		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);
-		assertNull("Group 1 was not removed.", group1);
-		*/
-
-    }
-
-    private PwEntryV3 getEntry(PwDatabaseV3 pm, String name) {
-		/*
-		TODO test
-		List<PwEntryV3> entries = pm.getEntries();
-		for ( int i = 0; i < entries.size(); i++ ) {
-			PwEntryV3 entry = entries.get(i);
-			if ( entry.getTitle().equals(name) ) {
-				return entry;
-			}
-		}
-		*/
-        return null;
-
-    }
-
-    private GroupVersioned getGroup(PwDatabase pm, String name) {
-		/*
-		List<GroupVersioned> groups = pm.getGroups();
-		for ( int i = 0; i < groups.size(); i++ ) {
-			GroupVersioned group = groups.get(i);
-			if ( group.getTitle().equals(name) ) {
-				return group;
-			}
-		}
-		*/
-
-        return null;
-    }
-
-
-}

app/src/androidTest/java/com/kunzisoft/keepass/tests/database/EntryV4.java

@@ -1,56 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests.database;
-
-import com.kunzisoft.keepass.database.element.PwDatabaseV4;
-import com.kunzisoft.keepass.database.element.PwEntryV4;
-
-import junit.framework.TestCase;
-
-public class EntryV4 extends TestCase {
-
-    public void testBackup() {
-		/*
-		PwDatabaseV4 db = new PwDatabaseV4();
-		
-		db.setHistoryMaxItems(2);
-		
-		PwEntryV4 entry = new PwEntryV4();
-		entry.startToManageFieldReferences(db);
-		entry.setTitle("Title1");
-		entry.setUsername("User1");
-		entry.createBackup(db);
-		
-		entry.setTitle("Title2");
-		entry.setUsername("User2");
-		entry.createBackup(db);
-		
-		entry.setTitle("Title3");
-		entry.setUsername("User3");
-		entry.createBackup(db);
-		
-		PwEntryV4 backup = entry.getHistory().get(0);
-		entry.stopToManageFieldReferences();
-		assertEquals("Title2", backup.getTitle());
-		assertEquals("User2", backup.getUsername());
-		*/
-    }
-
-}

app/src/androidTest/java/com/kunzisoft/keepass/tests/database/Kdb3.java

@@ -1,53 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests.database;
-
-import android.test.AndroidTestCase;
-
-public class Kdb3 extends AndroidTestCase {
-
-    private void testKeyfile(String dbAsset, String keyAsset, String password) throws Exception {
-		/*
-		Context ctx = getContext();
-
-		File sdcard = Environment.getExternalStorageDirectory();
-		String keyPath = sdcard.getAbsolutePath() + "/key";
-		
-		TestUtil.extractKey(ctx, keyAsset, keyPath);
-		
-		AssetManager am = ctx.getAssets();
-		InputStream is = am.open(dbAsset, AssetManager.ACCESS_STREAMING);
-		
-		ImporterV3 importer = new ImporterV3();
-		importer.openDatabase(is, password, TestUtil.getKeyFileInputStream(ctx, keyPath));
-		
-		is.close();
-		*/
-    }
-
-    public void testXMLKeyFile() throws Exception {
-        testKeyfile("kdb_with_xml_keyfile.kdb", "keyfile.key", "12345");
-    }
-
-    public void testBinary64KeyFile() throws Exception {
-        testKeyfile("binary-key.kdb", "binary.key", "12345");
-    }
-
-}

app/src/androidTest/java/com/kunzisoft/keepass/tests/database/Kdb3Twofish.java

@@ -1,41 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests.database;
-
-import android.test.AndroidTestCase;
-
-public class Kdb3Twofish extends AndroidTestCase {
-    public void testReadTwofish() throws Exception {
-		/*
-		Context ctx = getContext();
-		
-		AssetManager am = ctx.getAssets();
-		InputStream is = am.open("twofish.kdb", AssetManager.ACCESS_STREAMING);
-		
-		ImporterV3 importer = new ImporterV3();
-
-		PwDatabaseV3 db = importer.openDatabase(is, "12345", null);
-		
-		assertTrue(db.getEncryptionAlgorithm() == PwEncryptionAlgorithm.Twofish);
-		
-		is.close();
-		*/
-    }
-}

app/src/androidTest/java/com/kunzisoft/keepass/tests/database/Kdb4.java

@@ -1,171 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *     
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests.database;
-
-import android.content.Context;
-import android.content.res.AssetManager;
-import android.test.AndroidTestCase;
-
-import com.kunzisoft.keepass.database.exception.InvalidDBException;
-import com.kunzisoft.keepass.database.exception.PwDbOutputException;
-import com.kunzisoft.keepass.tests.TestUtil;
-
-import java.io.IOException;
-import java.io.InputStream;
-
-public class Kdb4 extends AndroidTestCase {
-
-    public void testDetection() throws IOException, InvalidDBException {
-        Context ctx = getContext();
-
-        AssetManager am = ctx.getAssets();
-        InputStream is = am.open("test.kdbx", AssetManager.ACCESS_STREAMING);
-
-        /*
-        TODO Test
-        Importer importer = ImporterFactory.createImporter(is);
-
-        assertTrue(importer instanceof ImporterV4);
-        is.close();
-        */
-    }
-
-    public void testParsing() throws IOException, InvalidDBException {
-        Context ctx = getContext();
-
-        AssetManager am = ctx.getAssets();
-        InputStream is = am.open("test.kdbx", AssetManager.ACCESS_STREAMING);
-
-        /*
-        TODO Test
-        ImporterV4 importer = new ImporterV4();
-        importer.openDatabase(is, "12345", null);
-
-        is.close();
-		*/
-    }
-
-    public void testSavingKDBXV3() throws IOException, InvalidDBException, PwDbOutputException {
-       testSaving("test.kdbx", "12345", "test-out.kdbx");
-    }
-
-    public void testSavingKDBXV4() throws IOException, InvalidDBException, PwDbOutputException {
-        testSaving("test-kdbxv4.kdbx", "1", "test-kdbxv4-out.kdbx");
-    }
-
-    private void testSaving(String inputFile, String password, String outputFile) throws IOException, InvalidDBException, PwDbOutputException {
-        Context ctx = getContext();
-
-        AssetManager am = ctx.getAssets();
-        InputStream is = am.open(inputFile, AssetManager.ACCESS_STREAMING);
-
-                /*
-        TODO Test
-        ImporterV4 importer = new ImporterV4();
-        PwDatabaseV4 db = importer.openDatabase(is, password, null);
-        is.close();
-
-        ByteArrayOutputStream bos = new ByteArrayOutputStream();
-
-        PwDbV4Output output =  (PwDbV4Output) PwDbOutput.getInstance(db, bos);
-        output.output();
-
-        byte[] data = bos.toByteArray();
-
-        FileOutputStream fos = new FileOutputStream(TestUtil.getSdPath(outputFile), false);
-
-        InputStream bis = new ByteArrayInputStream(data);
-        bis = new CopyInputStream(bis, fos);
-        importer = new ImporterV4();
-        db = importer.openDatabase(bis, password, null);
-        bis.close();
-
-        fos.close();
-		*/
-    }
-
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-
-        TestUtil.extractKey(getContext(), "keyfile.key", TestUtil.getSdPath("key"));
-        TestUtil.extractKey(getContext(), "binary.key", TestUtil.getSdPath("key-binary"));
-    }
-
-    public void testComposite() throws IOException, InvalidDBException {
-        Context ctx = getContext();
-
-        AssetManager am = ctx.getAssets();
-        InputStream is = am.open("keyfile.kdbx", AssetManager.ACCESS_STREAMING);
-
-        /*
-        TODO Test
-        ImporterV4 importer = new ImporterV4();
-        importer.openDatabase(is, "12345", TestUtil.getKeyFileInputStream(ctx, TestUtil.getSdPath("key")));
-
-        is.close();
-        */
-
-    }
-
-    public void testCompositeBinary() throws IOException, InvalidDBException {
-        Context ctx = getContext();
-
-        AssetManager am = ctx.getAssets();
-        InputStream is = am.open("keyfile-binary.kdbx", AssetManager.ACCESS_STREAMING);
-
-        /*
-        TODO Test
-        ImporterV4 importer = new ImporterV4();
-        importer.openDatabase(is, "12345", TestUtil.getKeyFileInputStream(ctx,TestUtil.getSdPath("key-binary")));
-
-        is.close();
-		*/
-    }
-
-    public void testKeyfile() throws IOException, InvalidDBException {
-        Context ctx = getContext();
-
-        AssetManager am = ctx.getAssets();
-        InputStream is = am.open("key-only.kdbx", AssetManager.ACCESS_STREAMING);
-        /*
-        TODO Test
-        ImporterV4 importer = new ImporterV4();
-        importer.openDatabase(is, "", TestUtil.getKeyFileInputStream(ctx, TestUtil.getSdPath("key")));
-
-        is.close();
-		*/
-    }
-
-    public void testNoGzip() throws IOException, InvalidDBException {
-        Context ctx = getContext();
-
-        AssetManager am = ctx.getAssets();
-        InputStream is = am.open("no-encrypt.kdbx", AssetManager.ACCESS_STREAMING);
-        /*
-        TODO Test
-        ImporterV4 importer = new ImporterV4();
-        importer.openDatabase(is, "12345", null);
-
-        is.close();
-		*/
-    }
-
-}

app/src/androidTest/java/com/kunzisoft/keepass/tests/database/Kdb4Header.java

@@ -1,49 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests.database;
-
-import android.content.Context;
-import android.content.res.AssetManager;
-import android.test.AndroidTestCase;
-
-import java.io.InputStream;
-
-public class Kdb4Header extends AndroidTestCase {
-    public void testReadHeader() throws Exception {
-        Context ctx = getContext();
-
-        AssetManager am = ctx.getAssets();
-        InputStream is = am.open("test.kdbx", AssetManager.ACCESS_STREAMING);
-
-		/*
-		TODO Test
-		ImporterV4 importer = new ImporterV4();
-
-		PwDatabaseV4 db = importer.openDatabase(is, "12345", null);
-		
-		assertEquals(6000, db.getNumberKeyEncryptionRounds());
-		
-		assertTrue(db.getDataCipher().equals(AesEngine.CIPHER_UUID));
-		
-		is.close();
-		*/
-
-    }
-}

app/src/androidTest/java/com/kunzisoft/keepass/tests/database/SprEngineTest.java

@@ -1,70 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests.database;
-
-import android.content.Context;
-import android.content.res.AssetManager;
-import android.test.AndroidTestCase;
-
-import com.kunzisoft.keepass.database.element.PwDatabaseV4;
-import com.kunzisoft.keepass.database.element.SprEngineV4;
-
-import java.io.InputStream;
-
-public class SprEngineTest extends AndroidTestCase {
-    private PwDatabaseV4 db;
-    private SprEngineV4 spr;
-
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-
-        Context ctx = getContext();
-
-        AssetManager am = ctx.getAssets();
-        InputStream is = am.open("test.kdbx", AssetManager.ACCESS_STREAMING);
-
-		/*
-		TODO Test
-		ImporterV4 importer = new ImporterV4();
-		db = importer.openDatabase(is, "12345", null);
-		
-		is.close();
-		
-		spr = new SprEngineV4();
-		*/
-    }
-
-    private final String REF = "{REF:P@I:2B1D56590D961F48A8CE8C392CE6CD35}";
-    private final String ENCODE_UUID = "IN7RkON49Ui1UZ2ddqmLcw==";
-    private final String RESULT = "Password";
-    public void testRefReplace() {
-		/*
-		TODO TEST
-		UUID entryUUID = decodeUUID(ENCODE_UUID);
-		
-		PwEntryV4 entry = (PwEntryV4) db.getEntryById(entryUUID);
-
-		
-		assertEquals(RESULT, spr.compile(REF, entry, db));
-		 */
-
-    }
-}

app/src/androidTest/java/com/kunzisoft/keepass/tests/database/TestData.java

@@ -1,71 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests.database;
-
-import com.kunzisoft.keepass.database.element.Database;
-
-public class TestData {
-    private static final String TEST1_KEYFILE = "";
-    private static final String TEST1_KDB = "test1.kdb";
-    private static final String TEST1_PASSWORD = "12345";
-
-    private static Database mDb1;
-
-	/*
-	
-	public static Database GetDb1(Context ctx) throws Exception {
-		return GetDb1(ctx, false);
-	}
-	
-	public static Database GetDb1(Context ctx, boolean forceReload) throws Exception {
-		if ( mDb1 == null || forceReload ) {
-			mDb1 = GetDb(ctx, TEST1_KDB, TEST1_PASSWORD, TEST1_KEYFILE, "/sdcard/test1.kdb");
-		}
-		
-		return mDb1;
-	}
-	
-	public static Database GetDb(Context ctx, String asset, String password, String keyfile, String filename) throws Exception {
-		AssetManager am = ctx.getAssets();
-		InputStream is = am.open(asset, AssetManager.ACCESS_STREAMING);
-
-		Database Db = new Database();
-
-		InputStream keyIs = TestUtil.getKeyFileInputStream(ctx, keyfile);
-
-		Db.loadData(ctx, is, password, keyIs, Importer.DEBUG);
-		Uri.Builder b = new Uri.Builder();
-
-		Db.setUri(b.scheme("file").path(filename).build());
-		
-		return Db;
-		
-	}
-	
-	public static PwDatabaseV3Debug GetTest1(Context ctx) throws Exception {
-		if ( mDb1 == null ) {
-			GetDb1(ctx);
-		}
-		
-		//return (PwDatabaseV3Debug) mDb1.getPwDatabase();
-		return null;
-	}
-		*/
-}

app/src/androidTest/java/com/kunzisoft/keepass/tests/output/PwManagerOutputTest.java

@@ -1,126 +0,0 @@
-/*
-* Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
-*
-* This file is part of KeePass DX.
-*
-* KeePass DX is free software: you can redistribute it and/or modify
-* it under the terms of the GNU General Public License as published by
-* the Free Software Foundation, either version 3 of the License, or
-* (at your option) any later version.
-*
-* KeePass DX is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with KeePass DX. If not, see <http://www.gnu.org/licenses/>.
-*
-*/
-package com.kunzisoft.keepass.tests.output;
- 
-import android.test.AndroidTestCase;
- 
-public class PwManagerOutputTest extends AndroidTestCase {
-  // PwDatabaseV3Debug mPM;
-
-    /*
-  @Override
-  protected void setUp() throws Exception {
-    super.setUp();
-    
-    mPM = TestData.GetTest1(getContext());
-  }
-  
-  public void testPlainContent() throws IOException, PwDbOutputException {
-    ByteArrayOutputStream bos = new ByteArrayOutputStream();
- 
-    PwDbV3Output pos = new PwDbV3OutputDebug(mPM, bos, true);
-    pos.outputPlanGroupAndEntries(bos);
-    
-    assertTrue("No output", bos.toByteArray().length > 0);
-    assertArrayEquals("Group and entry output doesn't match.", mPM.getPostHeader(), bos.toByteArray());
- 
-  }
- 
-  public void testChecksum() throws NoSuchAlgorithmException, IOException, PwDbOutputException {
-    //FileOutputStream fos = new FileOutputStream("/dev/null");
-	NullOutputStream nos = new NullOutputStream();
-    MessageDigest md = MessageDigest.getInstance("SHA-256");
-    
-    DigestOutputStream dos = new DigestOutputStream(nos, md);
-  
-    PwDbV3Output pos = new PwDbV3OutputDebug(mPM, dos, true);
-    pos.outputPlanGroupAndEntries(dos);
-    dos.close();
-    
-    byte[] digest = md.digest();
-    assertTrue("No output", digest.length > 0);
-    assertArrayEquals("Hash of groups and entries failed.", mPM.getDbHeader().contentsHash, digest);
-  }
- 
-  private void assertHeadersEquals(PwDbHeaderV3 expected, PwDbHeaderV3 actual) {
-	  assertEquals("Flags unequal", expected.flags, actual.flags);
-	  assertEquals("Entries unequal", expected.numEntries, actual.numEntries);
-	  assertEquals("Groups unequal", expected.numGroups, actual.numGroups);
-	  assertEquals("Key Rounds unequal", expected.numKeyEncRounds, actual.numKeyEncRounds);
-	  assertEquals("Signature1 unequal", expected.signature1, actual.signature1);
-	  assertEquals("Signature2 unequal", expected.signature2, actual.signature2);
-	  assertTrue("Version incompatible", PwDbHeaderV3.compatibleHeaders(expected.version, actual.version));
-	  assertArrayEquals("Hash unequal", expected.contentsHash, actual.contentsHash);
-	  assertArrayEquals("IV unequal", expected.encryptionIV, actual.encryptionIV);
-	  assertArrayEquals("Seed unequal", expected.masterSeed, actual.masterSeed);
-	  assertArrayEquals("Seed2 unequal", expected.transformSeed, actual.transformSeed);
-  }
-  
-  public void testHeader() throws PwDbOutputException, IOException {
-	ByteArrayOutputStream bActual = new ByteArrayOutputStream();
-    PwDbV3Output pActual = new PwDbV3OutputDebug(mPM, bActual, true);
-    PwDbHeaderV3 header = pActual.outputHeader(bActual);
-    
-    ByteArrayOutputStream bExpected = new ByteArrayOutputStream();
-    PwDbHeaderOutputV3 outExpected = new PwDbHeaderOutputV3(mPM.getDbHeader(), bExpected);
-    outExpected.output();
-    
-    assertHeadersEquals(mPM.getDbHeader(), header);
-    assertTrue("No output", bActual.toByteArray().length > 0);
-    assertArrayEquals("Header does not match.", bExpected.toByteArray(), bActual.toByteArray()); 
-  }
-  
-  public void testFinalKey() throws PwDbOutputException {
-	ByteArrayOutputStream bActual = new ByteArrayOutputStream();
-    PwDbV3Output pActual = new PwDbV3OutputDebug(mPM, bActual, true);
-    PwDbHeader hActual = pActual.outputHeader(bActual);
-    byte[] finalKey = pActual.getFinalKey(hActual);
-    
-    assertArrayEquals("Keys mismatched", mPM.getFinalKey(), finalKey);
-	  
-  }
-  
-  public void testFullWrite() throws IOException, PwDbOutputException  {
-	AssetManager am = getContext().getAssets();
-	InputStream is = am.open("test1.kdb");
-
-	// Pull file into byte array (for streaming fun)
-	ByteArrayOutputStream bExpected = new ByteArrayOutputStream();
-	while (true) {
-		int data = is.read();
-		if ( data == -1 ) {
-			break;
-		}
-		bExpected.write(data);
-	}
-	
-	ByteArrayOutputStream bActual = new ByteArrayOutputStream();
-	PwDbV3Output pActual = new PwDbV3OutputDebug(mPM, bActual, true);
-	pActual.output();
-	//pActual.close();
-
-	FileOutputStream fos = new FileOutputStream(TestUtil.getSdPath("test1_out.kdb"));
-	fos.write(bActual.toByteArray());
-	fos.close();
-	assertArrayEquals("Databases do not match.", bExpected.toByteArray(), bActual.toByteArray());
-  
-  }
-  */
-}

app/src/androidTest/java/com/kunzisoft/keepass/tests/search/SearchTest.java

@@ -1,70 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- * KeePass DX is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * KeePass DX is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with KeePass DX. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests.search;
-
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.preference.PreferenceManager;
-import android.test.AndroidTestCase;
-import com.kunzisoft.keepass.database.element.Database;
-import com.kunzisoft.keepass.database.element.GroupVersioned;
-
-public class SearchTest extends AndroidTestCase {
-
-    private Database mDb;
-
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-
-        //mDb = TestData.GetDb1(getContext(), true);
-    }
-
-    public void testSearch() {
-        GroupVersioned results = mDb.search("Amazon");
-        //assertTrue("Search result not found.", results.numbersOfChildEntries() > 0);
-
-    }
-
-    public void testBackupIncluded() {
-        updateOmitSetting(false);
-        GroupVersioned results = mDb.search("BackupOnly");
-
-        //assertTrue("Search result not found.", results.numbersOfChildEntries() > 0);
-    }
-
-    public void testBackupExcluded() {
-        updateOmitSetting(true);
-        GroupVersioned results = mDb.search("BackupOnly");
-
-        //assertFalse("Search result found, but should not have been.", results.numbersOfChildEntries() > 0);
-    }
-
-    private void updateOmitSetting(boolean setting) {
-        Context ctx = getContext();
-        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(ctx);
-        SharedPreferences.Editor editor = prefs.edit();
-
-        editor.putBoolean("settings_omitbackup_key", setting);
-        editor.commit();
-
-    }
-}

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

@@ -1,110 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- * KeePass DX is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * KeePass DX is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with KeePass DX. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests.stream;
-
-import static org.junit.Assert.assertArrayEquals;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.util.Random;
-import java.util.zip.GZIPInputStream;
-import java.util.zip.GZIPOutputStream;
-
-import junit.framework.TestCase;
-
-import com.kunzisoft.keepass.stream.HashedBlockInputStream;
-import com.kunzisoft.keepass.stream.HashedBlockOutputStream;
-
-public class HashedBlock extends TestCase {
-
-    private static Random rand = new Random();
-
-    public void testBlockAligned() throws IOException {
-        testSize(1024, 1024);
-    }
-
-    public void testOffset() throws IOException {
-        testSize(1500, 1024);
-    }
-
-    private void testSize(int blockSize, int bufferSize) throws IOException {
-        byte[] orig = new byte[blockSize];
-
-        rand.nextBytes(orig);
-
-        ByteArrayOutputStream bos = new ByteArrayOutputStream();
-        HashedBlockOutputStream output = new HashedBlockOutputStream(bos, bufferSize);
-        output.write(orig);
-        output.close();
-
-        byte[] encoded = bos.toByteArray();
-
-        ByteArrayInputStream bis = new ByteArrayInputStream(encoded);
-        HashedBlockInputStream input = new HashedBlockInputStream(bis);
-
-        ByteArrayOutputStream decoded = new ByteArrayOutputStream();
-        while ( true ) {
-            byte[] buf = new byte[1024];
-            int read = input.read(buf);
-            if ( read == -1 ) {
-                break;
-            }
-
-            decoded.write(buf, 0, read);
-        }
-
-        byte[] out = decoded.toByteArray();
-
-        assertArrayEquals(orig, out);
-
-    }
-
-    public void testGZIPStream() throws IOException {
-        final int testLength = 32000;
-
-        byte[] orig = new byte[testLength];
-        rand.nextBytes(orig);
-
-        ByteArrayOutputStream bos = new ByteArrayOutputStream();
-        HashedBlockOutputStream hos = new HashedBlockOutputStream(bos);
-        GZIPOutputStream zos = new GZIPOutputStream(hos);
-
-        zos.write(orig);
-        zos.close();
-
-        byte[] compressed = bos.toByteArray();
-        ByteArrayInputStream bis = new ByteArrayInputStream(compressed);
-        HashedBlockInputStream his = new HashedBlockInputStream(bis);
-        GZIPInputStream zis = new GZIPInputStream(his);
-
-        byte[] uncompressed = new byte[testLength];
-
-        int read = 0;
-        while (read != -1 && testLength - read > 0) {
-            read += zis.read(uncompressed, read, testLength - read);
-
-        }
-
-        assertArrayEquals("Output not equal to input", orig, uncompressed);
-
-
-    }
-}

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

@@ -0,0 +1,117 @@
+/*
+ * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
+ *
+ * This file is part of KeePass DX.
+ *
+ * KeePass DX is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * KeePass DX is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with KeePass DX. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.kunzisoft.keepass.tests.stream
+
+import org.junit.Assert.assertArrayEquals
+
+import java.io.ByteArrayInputStream
+import java.io.ByteArrayOutputStream
+import java.io.IOException
+import java.util.Random
+import java.util.zip.GZIPInputStream
+import java.util.zip.GZIPOutputStream
+
+import junit.framework.TestCase
+
+import com.kunzisoft.keepass.stream.HashedBlockInputStream
+import com.kunzisoft.keepass.stream.HashedBlockOutputStream
+
+class HashedBlock : TestCase() {
+
+    @Throws(IOException::class)
+    fun testBlockAligned() {
+        testSize(1024, 1024)
+    }
+
+    @Throws(IOException::class)
+    fun testOffset() {
+        testSize(1500, 1024)
+    }
+
+    @Throws(IOException::class)
+    private fun testSize(blockSize: Int, bufferSize: Int) {
+        val orig = ByteArray(blockSize)
+
+        rand.nextBytes(orig)
+
+        val bos = ByteArrayOutputStream()
+        val output = HashedBlockOutputStream(bos, bufferSize)
+        output.write(orig)
+        output.close()
+
+        val encoded = bos.toByteArray()
+
+        val bis = ByteArrayInputStream(encoded)
+        val input = HashedBlockInputStream(bis)
+
+        val decoded = ByteArrayOutputStream()
+        while (true) {
+            val buf = ByteArray(1024)
+            val read = input.read(buf)
+            if (read == -1) {
+                break
+            }
+
+            decoded.write(buf, 0, read)
+        }
+
+        val out = decoded.toByteArray()
+
+        assertArrayEquals(orig, out)
+
+    }
+
+    @Throws(IOException::class)
+    fun testGZIPStream() {
+        val testLength = 32000
+
+        val orig = ByteArray(testLength)
+        rand.nextBytes(orig)
+
+        val bos = ByteArrayOutputStream()
+        val hos = HashedBlockOutputStream(bos)
+        val zos = GZIPOutputStream(hos)
+
+        zos.write(orig)
+        zos.close()
+
+        val compressed = bos.toByteArray()
+        val bis = ByteArrayInputStream(compressed)
+        val his = HashedBlockInputStream(bis)
+        val zis = GZIPInputStream(his)
+
+        val uncompressed = ByteArray(testLength)
+
+        var read = 0
+        while (read != -1 && testLength - read > 0) {
+            read += zis.read(uncompressed, read, testLength - read)
+
+        }
+
+        assertArrayEquals("Output not equal to input", orig, uncompressed)
+
+
+    }
+
+    companion object {
+
+        private val rand = Random()
+    }
+}

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

@@ -1,57 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.tests.utils;
-
-import java.util.Locale;
-
-import com.kunzisoft.keepass.utils.StringUtil;
-
-import junit.framework.TestCase;
-
-public class StringUtilTest extends TestCase {
-    private final String text = "AbCdEfGhIj";
-    private final String search = "BcDe";
-    private final String badSearch = "Ed";
-
-    public void testIndexOfIgnoreCase1() {
-        assertEquals(1, StringUtil.INSTANCE.indexOfIgnoreCase(text, search, Locale.ENGLISH));
-    }
-
-    public void testIndexOfIgnoreCase2() {
-        assertEquals(-1, StringUtil.INSTANCE.indexOfIgnoreCase(text, search, Locale.ENGLISH), 2);
-    }
-
-    public void testIndexOfIgnoreCase3() {
-        assertEquals(-1, StringUtil.INSTANCE.indexOfIgnoreCase(text, badSearch, Locale.ENGLISH));
-    }
-
-    private final String repText = "AbCtestingaBc";
-    private final String repSearch = "ABc";
-    private final String repSearchBad = "CCCCCC";
-    private final String repNew = "12345";
-    private final String repResult = "12345testing12345";
-    public void testReplaceAllIgnoresCase1() {
-        assertEquals(repResult, StringUtil.INSTANCE.replaceAllIgnoresCase(repText, repSearch, repNew, Locale.ENGLISH));
-    }
-
-    public void testReplaceAllIgnoresCase2() {
-        assertEquals(repText, StringUtil.INSTANCE.replaceAllIgnoresCase(repText, repSearchBad, repNew, Locale.ENGLISH));
-    }
-}

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

@@ -0,0 +1,58 @@
+/*
+ * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
+ *
+ * This file is part of KeePass DX.
+ *
+ *  KeePass DX is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  KeePass DX is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.kunzisoft.keepass.tests.utils
+
+import java.util.Locale
+
+import com.kunzisoft.keepass.utils.StringUtil
+
+import junit.framework.TestCase
+
+class StringUtilTest : TestCase() {
+    private val text = "AbCdEfGhIj"
+    private val search = "BcDe"
+    private val badSearch = "Ed"
+
+    private val repText = "AbCtestingaBc"
+    private val repSearch = "ABc"
+    private val repSearchBad = "CCCCCC"
+    private val repNew = "12345"
+    private val repResult = "12345testing12345"
+
+    fun testIndexOfIgnoreCase1() {
+        assertEquals(1, StringUtil.indexOfIgnoreCase(text, search, Locale.ENGLISH))
+    }
+
+    fun testIndexOfIgnoreCase2() {
+        assertEquals(-1f, StringUtil.indexOfIgnoreCase(text, search, Locale.ENGLISH).toFloat(), 2f)
+    }
+
+    fun testIndexOfIgnoreCase3() {
+        assertEquals(-1, StringUtil.indexOfIgnoreCase(text, badSearch, Locale.ENGLISH))
+    }
+
+    fun testReplaceAllIgnoresCase1() {
+        assertEquals(repResult, StringUtil.replaceAllIgnoresCase(repText, repSearch, repNew, Locale.ENGLISH))
+    }
+
+    fun testReplaceAllIgnoresCase2() {
+        assertEquals(repText, StringUtil.replaceAllIgnoresCase(repText, repSearchBad, repNew, Locale.ENGLISH))
+    }
+}

app/src/main/AndroidManifest.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
     package="com.kunzisoft.keepass"
     android:installLocation="auto">
     <supports-screens
@@ -8,7 +7,8 @@
       android:normalScreens="true"
       android:largeScreens="true"
       android:anyDensity="true" />
-    <uses-permission android:name="android.permission.USE_FINGERPRINT"/>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.USE_BIOMETRIC" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
     <uses-permission android:name="android.permission.VIBRATE"/>
 
@@ -48,7 +48,7 @@
                 <category android:name="android.intent.category.BROWSABLE" />
                 <data android:scheme="file" />
                 <data android:scheme="content" />
-                <data android:mimeType="application/octet-stream" />
+                <data android:mimeType="*/*" />
                 <data android:host="*" />
                 <data android:pathPattern=".*\\.kdb" />
                 <data android:pathPattern=".*\\..*\\.kdb" />
@@ -71,29 +71,28 @@
                 <data android:pathPattern=".*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\.kdbx" />
                 <data android:pathPattern=".*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\.kdbx" />
             </intent-filter>
-            <intent-filter tools:ignore="AppLinkUrlError">
+            <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:scheme="content" />
                 <data android:mimeType="application/octet-stream" />
-            </intent-filter>
-        </activity>
-        <!-- 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=".activities.stylish.FilePickerStylishActivity"
-            android:label="@string/app_name">
-            <intent-filter>
-                <action android:name="android.intent.action.GET_CONTENT" />
-                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="application/x-kdb" />
+                <data android:mimeType="application/x-kdbx" />
+                <data android:mimeType="application/x-keepass" />
+                <data android:host="*" />
+                <data android:pathPattern=".*" />
+                <data android:pathPattern=".*\\.*" />
+                <data android:pathPattern=".*\\..*\\.*" />
+                <data android:pathPattern=".*\\..*\\..*\\.*" />
+                <data android:pathPattern=".*\\..*\\..*\\..*\\.*" />
+                <data android:pathPattern=".*\\..*\\..*\\..*\\..*\\.*" />
+                <data android:pathPattern=".*\\..*\\..*\\..*\\..*\\..*\\.*" />
+                <data android:pathPattern=".*\\..*\\..*\\..*\\..*\\..*\\..*\\.*" />
+                <data android:pathPattern=".*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\.*" />
+                <data android:pathPattern=".*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\.*" />
+                <data android:pathPattern=".*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\.*" />
             </intent-filter>
         </activity>
         <!-- Main Activity -->
@@ -129,9 +128,11 @@
         <activity android:name="com.kunzisoft.keepass.settings.SettingsActivity" />
         <activity android:name="com.kunzisoft.keepass.autofill.AutofillLauncherActivity"
             android:configChanges="keyboardHidden" />
+        <activity android:name="com.kunzisoft.keepass.settings.SettingsAdvancedUnlockActivity" />
         <activity android:name="com.kunzisoft.keepass.settings.SettingsAutofillActivity" />
         <activity android:name="com.kunzisoft.keepass.magikeyboard.KeyboardLauncherActivity"
-            android:label="@string/keyboard_name">
+            android:label="@string/keyboard_name"
+            android:exported="true">
         </activity>
         <activity android:name="com.kunzisoft.keepass.settings.MagikIMESettings"
             android:label="@string/keyboard_setting_label">

app/src/main/assets/binary.key

@@ -1,2 +0,0 @@
-v7<EFBFBD><07>gx<67><78><EFBFBD>"<04>Dm<44>]tIWRP<52>g<18>y<15>/˰1<CBB0><31><13>X<0B><>fW[<5B>F%<25><1E>\<5C>up4
-<EFBFBD><EFBFBD>-t;<3B>z<EFBFBD>

app/src/main/assets/keyfile.key

@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<KeyFile>
-	<Meta>
-		<Version>1.00</Version>
-	</Meta>
-	<Key>
-		<Data>zaTWphVNtRbspnwkqjy8FGTy5IqCUx9+FNb5H+VdB24=</Data>
-	</Key>
-</KeyFile>

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

@@ -21,7 +21,7 @@ package com.kunzisoft.keepass.activities
 
 import android.content.pm.PackageManager.NameNotFoundException
 import android.os.Bundle
-import android.support.v7.widget.Toolbar
+import androidx.appcompat.widget.Toolbar
 import android.util.Log
 import android.view.MenuItem
 import android.widget.TextView

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

@@ -19,15 +19,14 @@
 package com.kunzisoft.keepass.activities
 
 import android.app.Activity
-import android.content.ActivityNotFoundException
 import android.content.Intent
 import android.graphics.Color
-import android.net.Uri
+import android.graphics.drawable.ColorDrawable
 import android.os.Bundle
 import android.os.Handler
-import android.support.design.widget.CollapsingToolbarLayout
-import android.support.v7.app.AlertDialog
-import android.support.v7.widget.Toolbar
+import com.google.android.material.appbar.CollapsingToolbarLayout
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.widget.Toolbar
 import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
@@ -45,22 +44,27 @@ import com.kunzisoft.keepass.icons.assignDatabaseIcon
 import com.kunzisoft.keepass.magikeyboard.MagikIME
 import com.kunzisoft.keepass.notifications.ClipboardEntryNotificationService
 import com.kunzisoft.keepass.settings.PreferencesUtil
-import com.kunzisoft.keepass.settings.PreferencesUtil.isFirstTimeAskAllowCopyPasswordAndProtectedFields
 import com.kunzisoft.keepass.settings.SettingsAutofillActivity
 import com.kunzisoft.keepass.timeout.ClipboardHelper
 import com.kunzisoft.keepass.timeout.TimeoutHelper
 import com.kunzisoft.keepass.utils.MenuUtil
-import com.kunzisoft.keepass.utils.Util
+import com.kunzisoft.keepass.utils.UriUtil
 import com.kunzisoft.keepass.view.EntryContentsView
+import java.util.*
 
 class EntryActivity : LockingHideActivity() {
 
     private var collapsingToolbarLayout: CollapsingToolbarLayout? = null
     private var titleIconView: ImageView? = null
+    private var historyView: View? = null
     private var entryContentsView: EntryContentsView? = null
     private var toolbar: Toolbar? = null
 
+    private var mDatabase: Database? = null
+
     private var mEntry: EntryVersioned? = null
+    private var mIsHistory: Boolean = false
+
     private var mShowPassword: Boolean = false
 
     private var clipboardHelper: ClipboardHelper? = null
@@ -78,31 +82,14 @@ class EntryActivity : LockingHideActivity() {
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
         supportActionBar?.setDisplayShowHomeEnabled(true)
 
-        val currentDatabase = Database.getInstance()
-        readOnly = currentDatabase.isReadOnly || readOnly
+        mDatabase = Database.getInstance()
+        mReadOnly = mDatabase!!.isReadOnly || mReadOnly
 
         mShowPassword = !PreferencesUtil.isPasswordMask(this)
 
-        // Get Entry from UUID
-        try {
-            val keyEntry: PwNodeId<*> = intent.getParcelableExtra(KEY_ENTRY)
-            mEntry = currentDatabase.getEntryById(keyEntry)
-        } catch (e: ClassCastException) {
-            Log.e(TAG, "Unable to retrieve the entry key")
-        }
-
-        if (mEntry == null) {
-            Toast.makeText(this, R.string.entry_not_found, Toast.LENGTH_LONG).show()
-            finish()
-            return
-        }
-
-        // Update last access time.
-        mEntry?.touch(modified = false, touchParents = false)
-
         // Retrieve the textColor to tint the icon
-        val taIconColor = theme.obtainStyledAttributes(intArrayOf(R.attr.textColorInverse))
-        iconColor = taIconColor.getColor(0, Color.WHITE)
+        val taIconColor = theme.obtainStyledAttributes(intArrayOf(R.attr.colorAccent))
+        iconColor = taIconColor.getColor(0, Color.BLACK)
         taIconColor.recycle()
 
         // Refresh Menu contents in case onCreateMenuOptions was called before mEntry was set
@@ -111,6 +98,7 @@ class EntryActivity : LockingHideActivity() {
         // Get views
         collapsingToolbarLayout = findViewById(R.id.toolbar_layout)
         titleIconView = findViewById(R.id.entry_icon)
+        historyView = findViewById(R.id.history_container)
         entryContentsView = findViewById(R.id.entry_contents)
         entryContentsView?.applyFontVisibilityToFields(PreferencesUtil.fieldFontIsInVisibility(this))
 
@@ -122,6 +110,29 @@ class EntryActivity : LockingHideActivity() {
     override fun onResume() {
         super.onResume()
 
+        // Get Entry from UUID
+        try {
+            val keyEntry: PwNodeId<UUID> = intent.getParcelableExtra(KEY_ENTRY)
+            mEntry = mDatabase?.getEntryById(keyEntry)
+        } catch (e: ClassCastException) {
+            Log.e(TAG, "Unable to retrieve the entry key")
+        }
+
+        val historyPosition = intent.getIntExtra(KEY_ENTRY_HISTORY_POSITION, -1)
+        if (historyPosition >= 0) {
+            mIsHistory = true
+            mEntry = mEntry?.getHistory()?.get(historyPosition)
+        }
+
+        if (mEntry == null) {
+            Toast.makeText(this, R.string.entry_not_found, Toast.LENGTH_LONG).show()
+            finish()
+            return
+        }
+
+        // Update last access time.
+        mEntry?.touch(modified = false, touchParents = false)
+
         mEntry?.let { entry ->
             // Fill data in resume to update from EntryEditActivity
             fillEntryDataInContentsView(entry)
@@ -152,90 +163,126 @@ class EntryActivity : LockingHideActivity() {
         titleIconView?.assignDatabaseIcon(database.drawFactory, entry.icon, iconColor)
 
         // Assign title text
-        val entryTitle = entry.getVisualTitle()
+        val entryTitle = entry.title
         collapsingToolbarLayout?.title = entryTitle
         toolbar?.title = entryTitle
 
         // Assign basic fields
         entryContentsView?.assignUserName(entry.username)
         entryContentsView?.assignUserNameCopyListener(View.OnClickListener {
+            database.startManageEntry(entry)
             clipboardHelper?.timeoutCopyToClipboard(entry.username,
                             getString(R.string.copy_field,
                             getString(R.string.entry_user_name)))
+            database.stopManageEntry(entry)
         })
 
-        val allowCopyPassword = PreferencesUtil.allowCopyPasswordAndProtectedFields(this)
-        entryContentsView?.assignPassword(entry.password, allowCopyPassword)
-        if (allowCopyPassword) {
-            entryContentsView?.assignPasswordCopyListener(View.OnClickListener {
-                clipboardHelper?.timeoutCopyToClipboard(entry.password,
-                                getString(R.string.copy_field,
-                                getString(R.string.entry_password)))
-            })
-        } else {
-            // If dialog not already shown
-            if (isFirstTimeAskAllowCopyPasswordAndProtectedFields(this)) {
-                entryContentsView?.assignPasswordCopyListener(View.OnClickListener {
-                    val message = getString(R.string.allow_copy_password_warning) +
+        val isFirstTimeAskAllowCopyPasswordAndProtectedFields =
+                PreferencesUtil.isFirstTimeAskAllowCopyPasswordAndProtectedFields(this)
+        val allowCopyPasswordAndProtectedFields =
+                PreferencesUtil.allowCopyPasswordAndProtectedFields(this)
+
+        val showWarningClipboardDialogOnClickListener = View.OnClickListener {
+            AlertDialog.Builder(this@EntryActivity)
+                    .setMessage(getString(R.string.allow_copy_password_warning) +
                             "\n\n" +
-                            getString(R.string.clipboard_warning)
-                    val warningDialog = AlertDialog.Builder(this@EntryActivity)
-                            .setMessage(message).create()
-                    warningDialog.setButton(AlertDialog.BUTTON_POSITIVE, getText(android.R.string.ok)
-                    ) { dialog, _ ->
+                            getString(R.string.clipboard_warning))
+                    .create().apply {
+                        setButton(AlertDialog.BUTTON_POSITIVE, getText(R.string.enable)) {dialog, _ ->
                             PreferencesUtil.setAllowCopyPasswordAndProtectedFields(this@EntryActivity, true)
                             dialog.dismiss()
                             fillEntryDataInContentsView(entry)
                         }
-                    warningDialog.setButton(AlertDialog.BUTTON_NEGATIVE, getText(android.R.string.cancel)
-                    ) { dialog, _ ->
+                        setButton(AlertDialog.BUTTON_NEGATIVE, getText(R.string.disable)) { dialog, _ ->
                             PreferencesUtil.setAllowCopyPasswordAndProtectedFields(this@EntryActivity, false)
                             dialog.dismiss()
                             fillEntryDataInContentsView(entry)
                         }
-                    warningDialog.show()
+                        show()
+                    }
+        }
+
+        entryContentsView?.assignPassword(entry.password, allowCopyPasswordAndProtectedFields)
+        if (allowCopyPasswordAndProtectedFields) {
+            entryContentsView?.assignPasswordCopyListener(View.OnClickListener {
+                database.startManageEntry(entry)
+                clipboardHelper?.timeoutCopyToClipboard(entry.password,
+                                getString(R.string.copy_field,
+                                getString(R.string.entry_password)))
+                database.stopManageEntry(entry)
             })
+        } else {
+            // If dialog not already shown
+            if (isFirstTimeAskAllowCopyPasswordAndProtectedFields) {
+                entryContentsView?.assignPasswordCopyListener(showWarningClipboardDialogOnClickListener)
             } else {
                 entryContentsView?.assignPasswordCopyListener(null)
             }
         }
 
         entryContentsView?.assignURL(entry.url)
-        entryContentsView?.setHiddenPasswordStyle(!mShowPassword)
         entryContentsView?.assignComment(entry.notes)
 
         // Assign custom fields
-        if (entry.allowExtraFields()) {
+        if (entry.allowCustomFields()) {
             entryContentsView?.clearExtraFields()
 
-            entry.fields.doActionToAllCustomProtectedField { label, value ->
-                val showAction = !value.isProtected || PreferencesUtil.allowCopyPasswordAndProtectedFields(this@EntryActivity)
-                entryContentsView?.addExtraField(label, value, showAction, View.OnClickListener {
+            for (element in entry.customFields.entries) {
+                val label = element.key
+                val value = element.value
+
+                val allowCopyProtectedField = !value.isProtected || allowCopyPasswordAndProtectedFields
+                if (allowCopyProtectedField) {
+                    entryContentsView?.addExtraField(label, value, allowCopyProtectedField, View.OnClickListener {
                         clipboardHelper?.timeoutCopyToClipboard(
                                 value.toString(),
                                 getString(R.string.copy_field, label)
                         )
                     })
+                } else {
+                    // If dialog not already shown
+                    if (isFirstTimeAskAllowCopyPasswordAndProtectedFields) {
+                        entryContentsView?.addExtraField(label, value, allowCopyProtectedField, showWarningClipboardDialogOnClickListener)
+                    } else {
+                        entryContentsView?.addExtraField(label, value, allowCopyProtectedField, null)
                     }
                 }
+            }
+        }
+        entryContentsView?.setHiddenPasswordStyle(!mShowPassword)
 
         // Assign dates
-        entry.creationTime.date?.let {
-            entryContentsView?.assignCreationDate(it)
-        }
-        entry.lastModificationTime.date?.let {
-            entryContentsView?.assignModificationDate(it)
-        }
-        entry.lastAccessTime.date?.let {
-            entryContentsView?.assignLastAccessDate(it)
-        }
-        val expires = entry.expiryTime.date
-        if (entry.isExpires && expires != null) {
-            entryContentsView?.assignExpiresDate(expires)
+        entryContentsView?.assignCreationDate(entry.creationTime)
+        entryContentsView?.assignModificationDate(entry.lastModificationTime)
+        entryContentsView?.assignLastAccessDate(entry.lastAccessTime)
+        entryContentsView?.setExpires(entry.isCurrentlyExpires)
+        if (entry.expires) {
+            entryContentsView?.assignExpiresDate(entry.expiryTime)
         } else {
             entryContentsView?.assignExpiresDate(getString(R.string.never))
         }
 
+        // Assign special data
+        entryContentsView?.assignUUID(entry.nodeId.id)
+
+        // Manage history
+        historyView?.visibility = if (mIsHistory) View.VISIBLE else View.GONE
+        if (mIsHistory) {
+            val taColorAccent = theme.obtainStyledAttributes(intArrayOf(R.attr.colorAccent))
+            collapsingToolbarLayout?.contentScrim = ColorDrawable(taColorAccent.getColor(0, Color.BLACK))
+            taColorAccent.recycle()
+        }
+        val entryHistory = entry.getHistory()
+        // isMainEntry = not an history
+        val showHistoryView = entryHistory.isNotEmpty()
+        entryContentsView?.showHistory(showHistoryView)
+        if (showHistoryView) {
+            entryContentsView?.assignHistory(entryHistory)
+            entryContentsView?.onHistoryClick { historyItem, position ->
+                launch(this, historyItem, true, position)
+            }
+        }
+
         database.stopManageEntry(entry)
     }
 
@@ -268,7 +315,7 @@ class EntryActivity : LockingHideActivity() {
         inflater.inflate(R.menu.entry, menu)
         inflater.inflate(R.menu.database_lock, menu)
 
-        if (readOnly) {
+        if (mReadOnly) {
             menu.findItem(R.id.menu_edit)?.isVisible = false
         }
 
@@ -303,7 +350,7 @@ class EntryActivity : LockingHideActivity() {
 
     private fun performedNextEducation(entryActivityEducation: EntryActivityEducation,
                                        menu: Menu) {
-        if (entryContentsView?.isUserNamePresent == true
+        val entryCopyEducationPerformed = entryContentsView?.isUserNamePresent == true
                 && entryActivityEducation.checkAndPerformedEntryCopyEducation(
                         findViewById(R.id.entry_user_name_action_image),
                         {
@@ -314,8 +361,11 @@ class EntryActivity : LockingHideActivity() {
                         {
                             // Launch autofill settings
                             startActivity(Intent(this@EntryActivity, SettingsAutofillActivity::class.java))
-                        }))
-        else if (toolbar?.findViewById<View>(R.id.menu_edit) != null && entryActivityEducation.checkAndPerformedEntryEditEducation(
+                        })
+
+        if (!entryCopyEducationPerformed) {
+            // entryEditEducationPerformed
+            toolbar?.findViewById<View>(R.id.menu_edit) != null && entryActivityEducation.checkAndPerformedEntryEditEducation(
                             toolbar!!.findViewById(R.id.menu_edit),
                             {
                                 onOptionsItemSelected(menu.findItem(R.id.menu_edit))
@@ -323,14 +373,17 @@ class EntryActivity : LockingHideActivity() {
                             {
                                 // Open Keepass doc to create field references
                                 startActivity(Intent(Intent.ACTION_VIEW,
-                                    Uri.parse(getString(R.string.field_references_url))))
-                        }))
-        ;
+                                        UriUtil.parse(getString(R.string.field_references_url))))
+                            })
+        }
     }
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
-            R.id.menu_contribute -> return MenuUtil.onContributionItemSelected(this)
+            R.id.menu_contribute -> {
+                MenuUtil.onContributionItemSelected(this)
+                return true
+            }
 
             R.id.menu_toggle_pass -> {
                 mShowPassword = !mShowPassword
@@ -354,11 +407,7 @@ class EntryActivity : LockingHideActivity() {
                     url = "http://$url"
                 }
 
-                try {
-                    Util.gotoUrl(this, url)
-                } catch (e: ActivityNotFoundException) {
-                    Toast.makeText(this, R.string.no_url_handler, Toast.LENGTH_LONG).show()
-                }
+                UriUtil.gotoUrl(this, url)
 
                 return true
             }
@@ -389,13 +438,16 @@ class EntryActivity : LockingHideActivity() {
     companion object {
         private val TAG = EntryActivity::class.java.name
 
-        const val KEY_ENTRY = "entry"
+        const val KEY_ENTRY = "KEY_ENTRY"
+        const val KEY_ENTRY_HISTORY_POSITION = "KEY_ENTRY_HISTORY_POSITION"
 
-        fun launch(activity: Activity, pw: EntryVersioned, readOnly: Boolean) {
+        fun launch(activity: Activity, entry: EntryVersioned, readOnly: Boolean, historyPosition: Int? = null) {
             if (TimeoutHelper.checkTimeAndLockIfTimeout(activity)) {
                 val intent = Intent(activity, EntryActivity::class.java)
-                intent.putExtra(KEY_ENTRY, pw.nodeId)
+                intent.putExtra(KEY_ENTRY, entry.nodeId)
                 ReadOnlyHelper.putReadOnlyInIntent(intent, readOnly)
+                if (historyPosition != null)
+                    intent.putExtra(KEY_ENTRY_HISTORY_POSITION, historyPosition)
                 activity.startActivityForResult(intent, EntryEditActivity.ADD_OR_UPDATE_ENTRY_REQUEST_CODE)
             }
         }

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

@@ -22,30 +22,30 @@ import android.app.Activity
 import android.content.Intent
 import android.os.Bundle
 import android.os.Handler
-import android.support.v7.widget.Toolbar
 import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
 import android.widget.ScrollView
+import androidx.appcompat.widget.Toolbar
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.dialogs.GeneratePasswordDialogFragment
 import com.kunzisoft.keepass.activities.dialogs.IconPickerDialogFragment
 import com.kunzisoft.keepass.activities.lock.LockingHideActivity
-import com.kunzisoft.keepass.database.action.ProgressDialogSaveDatabaseThread
-import com.kunzisoft.keepass.database.action.node.ActionNodeValues
-import com.kunzisoft.keepass.database.action.node.AddEntryRunnable
-import com.kunzisoft.keepass.database.action.node.AfterActionNodeFinishRunnable
-import com.kunzisoft.keepass.database.action.node.UpdateEntryRunnable
+import com.kunzisoft.keepass.database.action.ProgressDialogThread
 import com.kunzisoft.keepass.database.element.*
 import com.kunzisoft.keepass.education.EntryEditActivityEducation
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_CREATE_ENTRY_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_ENTRY_TASK
 import com.kunzisoft.keepass.settings.PreferencesUtil
-import com.kunzisoft.keepass.tasks.ActionRunnable
 import com.kunzisoft.keepass.timeout.TimeoutHelper
 import com.kunzisoft.keepass.utils.MenuUtil
 import com.kunzisoft.keepass.view.EntryEditContentsView
+import java.util.*
 
-class EntryEditActivity : LockingHideActivity(), IconPickerDialogFragment.IconPickerListener, GeneratePasswordDialogFragment.GeneratePasswordListener {
+class EntryEditActivity : LockingHideActivity(),
+        IconPickerDialogFragment.IconPickerListener,
+        GeneratePasswordDialogFragment.GeneratePasswordListener {
 
     private var mDatabase: Database? = null
 
@@ -58,11 +58,12 @@ class EntryEditActivity : LockingHideActivity(), IconPickerDialogFragment.IconPi
 
     // Views
     private var scrollView: ScrollView? = null
-
     private var entryEditContentsView: EntryEditContentsView? = null
-
     private var saveView: View? = null
 
+    // Dialog thread
+    private var progressDialogThread: ProgressDialogThread? = null
+
     // Education
     private var entryEditActivityEducation: EntryEditActivityEducation? = null
 
@@ -88,7 +89,7 @@ class EntryEditActivity : LockingHideActivity(), IconPickerDialogFragment.IconPi
         mDatabase = Database.getInstance()
 
         // Entry is retrieve, it's an entry to update
-        intent.getParcelableExtra<PwNodeId<*>>(KEY_ENTRY)?.let {
+        intent.getParcelableExtra<PwNodeId<UUID>>(KEY_ENTRY)?.let {
             mIsNew = false
             // Create an Entry copy to modify from the database entry
             mEntry = mDatabase?.getEntryById(it)
@@ -103,16 +104,14 @@ class EntryEditActivity : LockingHideActivity(), IconPickerDialogFragment.IconPi
                 }
             }
 
-            // Retrieve the icon after an orientation change
-            if (savedInstanceState != null && savedInstanceState.containsKey(KEY_NEW_ENTRY)) {
-                mNewEntry = savedInstanceState.getParcelable(KEY_NEW_ENTRY) as EntryVersioned
-            } else {
+            // Create the new entry from the current one
+            if (savedInstanceState == null
+                    || !savedInstanceState.containsKey(KEY_NEW_ENTRY)) {
                 mEntry?.let { entry ->
                     // Create a copy to modify
                     mNewEntry = EntryVersioned(entry).also { newEntry ->
-
                         // WARNING Remove the parent to keep memory with parcelable
-                        newEntry.parent = null
+                        newEntry.removeParent()
                     }
                 }
             }
@@ -121,7 +120,11 @@ class EntryEditActivity : LockingHideActivity(), IconPickerDialogFragment.IconPi
         // Parent is retrieve, it's a new entry to create
         intent.getParcelableExtra<PwNodeId<*>>(KEY_PARENT)?.let {
             mIsNew = true
+            // Create an empty new entry
+            if (savedInstanceState == null
+                    || !savedInstanceState.containsKey(KEY_NEW_ENTRY)) {
                 mNewEntry = mDatabase?.createEntry()
+            }
             mParent = mDatabase?.getGroupById(it)
             // Add the default icon
             mDatabase?.drawFactory?.let { iconFactory ->
@@ -129,6 +132,12 @@ class EntryEditActivity : LockingHideActivity(), IconPickerDialogFragment.IconPi
             }
         }
 
+        // Retrieve the new entry after an orientation change
+        if (savedInstanceState != null
+                && savedInstanceState.containsKey(KEY_NEW_ENTRY)) {
+            mNewEntry = savedInstanceState.getParcelable(KEY_NEW_ENTRY)
+        }
+
         // Close the activity if entry or parent can't be retrieve
         if (mNewEntry == null || mParent == null) {
             finish()
@@ -150,37 +159,21 @@ class EntryEditActivity : LockingHideActivity(), IconPickerDialogFragment.IconPi
         saveView = findViewById(R.id.entry_edit_save)
         saveView?.setOnClickListener { saveEntry() }
 
-        entryEditContentsView?.allowCustomField(mNewEntry?.allowExtraFields() == true) { addNewCustomField() }
+        entryEditContentsView?.allowCustomField(mNewEntry?.allowCustomFields() == true) { addNewCustomField() }
 
         // Verify the education views
         entryEditActivityEducation = EntryEditActivityEducation(this)
-        entryEditActivityEducation?.let {
-            Handler().post { performedNextEducation(it) }
-        }
-    }
 
-    private fun performedNextEducation(entryEditActivityEducation: EntryEditActivityEducation) {
-        val passwordView = entryEditContentsView?.generatePasswordView
-        val addNewFieldView = entryEditContentsView?.addNewFieldView
-
-        if (passwordView != null
-                && entryEditActivityEducation.checkAndPerformedGeneratePasswordEducation(
-                        passwordView,
-                        {
-                            openPasswordGenerator()
-                        },
-                        {
-                            performedNextEducation(entryEditActivityEducation)
+        // Create progress dialog
+        progressDialogThread = ProgressDialogThread(this) { actionTask, result ->
+            when (actionTask) {
+                ACTION_DATABASE_CREATE_ENTRY_TASK,
+                ACTION_DATABASE_UPDATE_ENTRY_TASK -> {
+                    if (result.isSuccess)
+                        finish()
+                }
+            }
         }
-                ))
-        else if (mNewEntry != null && mNewEntry!!.allowExtraFields() && !mNewEntry!!.containsCustomFields()
-                && addNewFieldView != null && addNewFieldView.visibility == View.VISIBLE
-                && entryEditActivityEducation.checkAndPerformedEntryNewFieldEducation(
-                        addNewFieldView,
-                        {
-                            addNewCustomField()
-                        }))
-            ;
     }
 
     private fun populateViewsWithEntry(newEntry: EntryVersioned) {
@@ -193,12 +186,14 @@ class EntryEditActivity : LockingHideActivity(), IconPickerDialogFragment.IconPi
         // Set info in view
         entryEditContentsView?.apply {
             title = newEntry.title
-            username = newEntry.username
+            username = if (newEntry.username.isEmpty()) mDatabase?.defaultUsername ?:"" else newEntry.username
             url = newEntry.url
             password = newEntry.password
             notes = newEntry.notes
-            newEntry.fields.doActionToAllCustomProtectedField { key, value ->
-                addNewCustomField(key, value)
+            for (entry in newEntry.customFields.entries) {
+                post {
+                    addNewCustomField(entry.key, entry.value)
+                }
             }
         }
     }
@@ -210,6 +205,7 @@ class EntryEditActivity : LockingHideActivity(), IconPickerDialogFragment.IconPi
         newEntry.apply {
             // Build info from view
             entryEditContentsView?.let { entryView ->
+                removeAllFields()
                 title = entryView.title
                 username = entryView.username
                 url = entryView.url
@@ -243,8 +239,6 @@ class EntryEditActivity : LockingHideActivity(), IconPickerDialogFragment.IconPi
      */
     private fun addNewCustomField() {
         entryEditContentsView?.addNewCustomField()
-        // Scroll bottom
-        scrollView?.post { scrollView?.fullScroll(ScrollView.FOCUS_DOWN) }
     }
 
     /**
@@ -255,7 +249,6 @@ class EntryEditActivity : LockingHideActivity(), IconPickerDialogFragment.IconPi
         // Launch a validation and show the error if present
         if (entryEditContentsView?.isValid() == true) {
             // Clone the entry
-            mDatabase?.let { database ->
             mNewEntry?.let { newEntry ->
 
                 // WARNING Add the parent previously deleted
@@ -267,41 +260,39 @@ class EntryEditActivity : LockingHideActivity(), IconPickerDialogFragment.IconPi
                 populateEntryWithViews(newEntry)
 
                 // Open a progress dialog and save entry
-                    var actionRunnable: ActionRunnable? = null
-                    val afterActionNodeFinishRunnable = object : AfterActionNodeFinishRunnable() {
-                        override fun onActionNodeFinish(actionNodeValues: ActionNodeValues) {
-                            if (actionNodeValues.result.isSuccess)
-                                finish()
-                        }
-                    }
                 if (mIsNew) {
                     mParent?.let { parent ->
-                            actionRunnable = AddEntryRunnable(this@EntryEditActivity,
-                                    database,
+                        progressDialogThread?.startDatabaseCreateEntry(
                                 newEntry,
                                 parent,
-                                    afterActionNodeFinishRunnable,
-                                    !readOnly)
+                                !mReadOnly
+                        )
                     }
-
                 } else {
                     mEntry?.let { oldEntry ->
-                            actionRunnable = UpdateEntryRunnable(this@EntryEditActivity,
-                                    database,
+                        progressDialogThread?.startDatabaseUpdateEntry(
                                 oldEntry,
                                 newEntry,
-                                    afterActionNodeFinishRunnable,
-                                    !readOnly)
-                        }
-                    }
-                    actionRunnable?.let { runnable ->
-                        ProgressDialogSaveDatabaseThread(this@EntryEditActivity) { runnable }.start()
+                                !mReadOnly
+                        )
                     }
                 }
             }
         }
     }
 
+    override fun onResume() {
+        super.onResume()
+
+        progressDialogThread?.registerProgressTask()
+    }
+
+    override fun onPause() {
+        progressDialogThread?.unregisterProgressTask()
+
+        super.onPause()
+    }
+
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         super.onCreateOptionsMenu(menu)
 
@@ -309,9 +300,39 @@ class EntryEditActivity : LockingHideActivity(), IconPickerDialogFragment.IconPi
         inflater.inflate(R.menu.database_lock, menu)
         MenuUtil.contributionMenuInflater(inflater, menu)
 
+        entryEditActivityEducation?.let {
+            Handler().post { performedNextEducation(it) }
+        }
+
         return true
     }
 
+    private fun performedNextEducation(entryEditActivityEducation: EntryEditActivityEducation) {
+        val passwordView = entryEditContentsView?.generatePasswordView
+        val addNewFieldView = entryEditContentsView?.addNewFieldView
+
+        val generatePasswordEducationPerformed = passwordView != null
+                && entryEditActivityEducation.checkAndPerformedGeneratePasswordEducation(
+                passwordView,
+                {
+                    openPasswordGenerator()
+                },
+                {
+                    performedNextEducation(entryEditActivityEducation)
+                }
+        )
+        if (!generatePasswordEducationPerformed) {
+            // entryNewFieldEducationPerformed
+            mNewEntry != null && mNewEntry!!.allowCustomFields() && mNewEntry!!.customFields.isEmpty()
+                    && addNewFieldView != null && addNewFieldView.visibility == View.VISIBLE
+                    && entryEditActivityEducation.checkAndPerformedEntryNewFieldEducation(
+                    addNewFieldView,
+                    {
+                        addNewCustomField()
+                    })
+        }
+    }
+
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
             R.id.menu_lock -> {
@@ -319,7 +340,10 @@ class EntryEditActivity : LockingHideActivity(), IconPickerDialogFragment.IconPi
                 return true
             }
 
-            R.id.menu_contribute -> return MenuUtil.onContributionItemSelected(this)
+            R.id.menu_contribute -> {
+                MenuUtil.onContributionItemSelected(this)
+                return true
+            }
 
             android.R.id.home -> finish()
         }
@@ -334,7 +358,10 @@ class EntryEditActivity : LockingHideActivity(), IconPickerDialogFragment.IconPi
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
-        outState.putParcelable(KEY_NEW_ENTRY, mNewEntry)
+        mNewEntry?.let {
+            populateEntryWithViews(it)
+            outState.putParcelable(KEY_NEW_ENTRY, it)
+        }
 
         super.onSaveInstanceState(outState)
     }

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

@@ -19,7 +19,7 @@
  */
 package com.kunzisoft.keepass.activities
 
-import android.Manifest
+import android.annotation.SuppressLint
 import android.app.Activity
 import android.app.assist.AssistStructure
 import android.content.Intent
@@ -29,81 +29,59 @@ import android.os.Bundle
 import android.os.Environment
 import android.os.Handler
 import android.preference.PreferenceManager
-import android.support.annotation.RequiresApi
-import android.support.v7.app.AlertDialog
-import android.support.v7.widget.LinearLayoutManager
-import android.support.v7.widget.RecyclerView
-import android.support.v7.widget.Toolbar
 import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
-import android.widget.EditText
 import android.widget.TextView
-import android.widget.Toast
+import androidx.annotation.RequiresApi
+import androidx.appcompat.widget.Toolbar
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.SimpleItemAnimator
+import com.google.android.material.snackbar.Snackbar
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.dialogs.AssignMasterKeyDialogFragment
-import com.kunzisoft.keepass.activities.dialogs.CreateFileDialogFragment
-import com.kunzisoft.keepass.activities.dialogs.FileInformationDialogFragment
+import com.kunzisoft.keepass.activities.dialogs.BrowserDialogFragment
 import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
-import com.kunzisoft.keepass.activities.helpers.KeyFileHelper
+import com.kunzisoft.keepass.activities.helpers.OpenFileHelper
 import com.kunzisoft.keepass.activities.stylish.StylishActivity
 import com.kunzisoft.keepass.adapters.FileDatabaseHistoryAdapter
+import com.kunzisoft.keepass.app.database.FileDatabaseHistoryAction
 import com.kunzisoft.keepass.autofill.AutofillHelper
-import com.kunzisoft.keepass.database.action.CreateDatabaseRunnable
 import com.kunzisoft.keepass.database.action.ProgressDialogThread
 import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.education.FileDatabaseSelectActivityEducation
-import com.kunzisoft.keepass.fileselect.DeleteFileHistoryAsyncTask
-import com.kunzisoft.keepass.fileselect.FileDatabaseModel
-import com.kunzisoft.keepass.fileselect.OpenFileHistoryAsyncTask
-import com.kunzisoft.keepass.fileselect.database.FileDatabaseHistory
-import com.kunzisoft.keepass.magikeyboard.KeyboardHelper
-import com.kunzisoft.keepass.settings.PreferencesUtil
-import com.kunzisoft.keepass.tasks.ActionRunnable
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_CREATE_TASK
 import com.kunzisoft.keepass.utils.MenuUtil
 import com.kunzisoft.keepass.utils.UriUtil
-import net.cachapa.expandablelayout.ExpandableLayout
-import permissions.dispatcher.*
-import java.io.File
+import com.kunzisoft.keepass.view.asError
+import kotlinx.android.synthetic.main.activity_file_selection.*
 import java.io.FileNotFoundException
-import java.io.IOException
-import java.lang.ref.WeakReference
-import java.net.URLDecoder
-import java.util.*
 
-@RuntimePermissions
 class FileDatabaseSelectActivity : StylishActivity(),
-        CreateFileDialogFragment.DefinePathDialogListener,
-        AssignMasterKeyDialogFragment.AssignPasswordDialogListener,
-        FileDatabaseHistoryAdapter.FileItemOpenListener,
-        FileDatabaseHistoryAdapter.FileSelectClearListener,
-        FileDatabaseHistoryAdapter.FileInformationShowListener {
+        AssignMasterKeyDialogFragment.AssignPasswordDialogListener {
 
     // Views
     private var fileListContainer: View? = null
     private var createButtonView: View? = null
-    private var browseButtonView: View? = null
-    private var openButtonView: View? = null
-    private var fileSelectExpandableButtonView: View? = null
-    private var fileSelectExpandableLayout: ExpandableLayout? = null
-    private var openFileNameView: EditText? = null
+    private var openDatabaseButtonView: View? = null
 
     // Adapter to manage database history list
     private var mAdapterDatabaseHistory: FileDatabaseHistoryAdapter? = null
 
-    private var mFileDatabaseHistory: FileDatabaseHistory? = null
+    private var mFileDatabaseHistoryAction: FileDatabaseHistoryAction? = null
 
     private var mDatabaseFileUri: Uri? = null
 
-    private var mKeyFileHelper: KeyFileHelper? = null
+    private var mOpenFileHelper: OpenFileHelper? = null
 
-    private var mDefaultPath: String? = null
+    private var progressDialogThread: ProgressDialogThread? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        mFileDatabaseHistory = FileDatabaseHistory.getInstance(WeakReference(applicationContext))
+        mFileDatabaseHistoryAction = FileDatabaseHistoryAction.getInstance(applicationContext)
 
         setContentView(R.layout.activity_file_selection)
         fileListContainer = findViewById(R.id.container_file_list)
@@ -112,132 +90,122 @@ class FileDatabaseSelectActivity : StylishActivity(),
         toolbar.title = ""
         setSupportActionBar(toolbar)
 
-        openFileNameView = findViewById(R.id.file_filename)
-
-        // Set the initial value of the filename
-        mDefaultPath = (Environment.getExternalStorageDirectory().absolutePath
-                + getString(R.string.database_file_path_default)
-                + getString(R.string.database_file_name_default)
-                + getString(R.string.database_file_extension_default))
-        openFileNameView?.setHint(R.string.open_link_database)
-
-        // Button to expand file selection
-        fileSelectExpandableButtonView = findViewById(R.id.file_select_expandable_button)
-        fileSelectExpandableLayout = findViewById(R.id.file_select_expandable)
-        fileSelectExpandableButtonView?.setOnClickListener { _ ->
-            if (fileSelectExpandableLayout?.isExpanded == true)
-                fileSelectExpandableLayout?.collapse()
-            else
-                fileSelectExpandableLayout?.expand()
+        // Create button
+        createButtonView = findViewById(R.id.create_database_button)
+        if (Intent(Intent.ACTION_CREATE_DOCUMENT).apply {
+                    addCategory(Intent.CATEGORY_OPENABLE)
+                    type = "application/x-keepass"
+                }.resolveActivity(packageManager) == null) {
+            // No Activity found that can handle this intent.
+            createButtonView?.visibility = View.GONE
         }
+        else{
+            // There is an activity which can handle this intent.
+            createButtonView?.visibility = View.VISIBLE
+        }
+
+        createButtonView?.setOnClickListener { createNewFile() }
+
+        mOpenFileHelper = OpenFileHelper(this)
+        openDatabaseButtonView = findViewById(R.id.open_database_button)
+        openDatabaseButtonView?.setOnClickListener(mOpenFileHelper?.openFileOnClickViewListener)
 
         // History list
-        val databaseFileListView = findViewById<RecyclerView>(R.id.file_list)
-        databaseFileListView.layoutManager = LinearLayoutManager(this)
-
-        // Open button
-        openButtonView = findViewById(R.id.open_database)
-        openButtonView?.setOnClickListener { _ ->
-            var fileName = openFileNameView?.text?.toString() ?: ""
-            mDefaultPath?.let {
-                if (fileName.isEmpty())
-                    fileName = it
-            }
-            launchPasswordActivityWithPath(fileName)
-        }
-
-        // Create button
-        createButtonView = findViewById(R.id.create_database)
-        createButtonView?.setOnClickListener { openCreateFileDialogFragmentWithPermissionCheck() }
-
-        mKeyFileHelper = KeyFileHelper(this)
-        browseButtonView = findViewById(R.id.browse_button)
-        browseButtonView?.setOnClickListener(mKeyFileHelper!!.getOpenFileOnClickViewListener {
-            Uri.parse("file://" + openFileNameView!!.text.toString())
-        })
-
+        val fileDatabaseHistoryRecyclerView = findViewById<RecyclerView>(R.id.file_list)
+        fileDatabaseHistoryRecyclerView.layoutManager = LinearLayoutManager(this, RecyclerView.VERTICAL, false)
+        // Removes blinks
+        (fileDatabaseHistoryRecyclerView.itemAnimator as SimpleItemAnimator).supportsChangeAnimations = false
         // Construct adapter with listeners
-        mAdapterDatabaseHistory = FileDatabaseHistoryAdapter(this@FileDatabaseSelectActivity,
-                mFileDatabaseHistory?.databaseUriList ?: ArrayList())
-        mAdapterDatabaseHistory?.setOnItemClickListener(this)
-        mAdapterDatabaseHistory?.setFileSelectClearListener(this)
-        mAdapterDatabaseHistory?.setFileInformationShowListener(this)
-        databaseFileListView.adapter = mAdapterDatabaseHistory
+        mAdapterDatabaseHistory = FileDatabaseHistoryAdapter(this)
+        mAdapterDatabaseHistory?.setOnFileDatabaseHistoryOpenListener { fileDatabaseHistoryEntityToOpen ->
+            UriUtil.parse(fileDatabaseHistoryEntityToOpen.databaseUri)?.let { databaseFileUri ->
+                launchPasswordActivity(
+                        databaseFileUri,
+                        UriUtil.parse(fileDatabaseHistoryEntityToOpen.keyFileUri))
+            }
+            updateFileListVisibility()
+        }
+        mAdapterDatabaseHistory?.setOnFileDatabaseHistoryDeleteListener { fileDatabaseHistoryToDelete ->
+            // Remove from app database
+            mFileDatabaseHistoryAction?.deleteFileDatabaseHistory(fileDatabaseHistoryToDelete) { fileHistoryDeleted ->
+                // Remove from adapter
+                fileHistoryDeleted?.let { databaseFileHistoryDeleted ->
+                    mAdapterDatabaseHistory?.deleteDatabaseFileHistory(databaseFileHistoryDeleted)
+                    mAdapterDatabaseHistory?.notifyDataSetChanged()
+                    updateFileListVisibility()
+                }
+            }
+            true
+        }
+        mAdapterDatabaseHistory?.setOnSaveAliasListener { fileDatabaseHistoryWithNewAlias ->
+            mFileDatabaseHistoryAction?.addOrUpdateFileDatabaseHistory(fileDatabaseHistoryWithNewAlias)
+        }
+        fileDatabaseHistoryRecyclerView.adapter = mAdapterDatabaseHistory
 
         // Load default database if not an orientation change
         if (!(savedInstanceState != null
                         && savedInstanceState.containsKey(EXTRA_STAY)
                         && savedInstanceState.getBoolean(EXTRA_STAY, false))) {
             val prefs = PreferenceManager.getDefaultSharedPreferences(this)
-            val fileName = prefs.getString(PasswordActivity.KEY_DEFAULT_FILENAME, "")
+            val databasePath = prefs.getString(PasswordActivity.KEY_DEFAULT_DATABASE_PATH, "")
 
-            if (fileName != null && fileName.isNotEmpty()) {
-                val dbUri = UriUtil.parseUriFile(fileName)
-                var scheme: String? = null
-                if (dbUri != null)
-                    scheme = dbUri.scheme
-
-                if (scheme != null && scheme.isNotEmpty() && scheme.equals("file", ignoreCase = true)) {
-                    val path = dbUri!!.path
-                    val db = File(path!!)
-
-                    if (db.exists()) {
-                        launchPasswordActivityWithPath(path)
+            UriUtil.parse(databasePath)?.let { databaseFileUri ->
+                launchPasswordActivityWithPath(databaseFileUri)
+            } ?: run {
+                Log.i(TAG, "Unable to launch Password Activity")
+            }
+        }
+
+        // Retrieve the database URI provided by file manager after an orientation change
+        if (savedInstanceState != null
+                && savedInstanceState.containsKey(EXTRA_DATABASE_URI)) {
+            mDatabaseFileUri = savedInstanceState.getParcelable(EXTRA_DATABASE_URI)
+        }
+
+        // Attach the dialog thread to this activity
+        progressDialogThread = ProgressDialogThread(this) { actionTask, result ->
+            when (actionTask) {
+                ACTION_DATABASE_CREATE_TASK -> {
+                    // TODO Check
+                    // mAdapterDatabaseHistory?.notifyDataSetChanged()
+                    // updateFileListVisibility()
+                    GroupActivity.launch(this)
                 }
-                } else {
-                    if (dbUri != null)
-                        launchPasswordActivityWithPath(dbUri.toString())
             }
         }
     }
 
-        Handler().post { performedNextEducation(FileDatabaseSelectActivityEducation(this)) }
-    }
-
-    private fun performedNextEducation(fileDatabaseSelectActivityEducation: FileDatabaseSelectActivityEducation) {
-        // If no recent files
-        if (createButtonView != null
-                && mFileDatabaseHistory != null
-                && !mFileDatabaseHistory!!.hasRecentFiles() && fileDatabaseSelectActivityEducation.checkAndPerformedCreateDatabaseEducation(
-                        createButtonView!!,
-                        {
-                            openCreateFileDialogFragmentWithPermissionCheck()
+    /**
+     * Create a new file by calling the content provider
+     */
+    @SuppressLint("InlinedApi")
+    private fun createNewFile() {
+        try {
+            startActivityForResult(Intent(
+                    Intent.ACTION_CREATE_DOCUMENT).apply {
+                        addCategory(Intent.CATEGORY_OPENABLE)
+                        type = "application/x-keepass"
+                        putExtra(Intent.EXTRA_TITLE, getString(R.string.database_file_name_default) +
+                                getString(R.string.database_file_extension_default))
                     },
-                        {
-                            // But if the user cancel, it can also select a database
-                            performedNextEducation(fileDatabaseSelectActivityEducation)
-                        }))
-        else if (browseButtonView != null
-                && fileDatabaseSelectActivityEducation.checkAndPerformedSelectDatabaseEducation(
-                        browseButtonView!!,
-                         {tapTargetView ->
-                             tapTargetView?.let {
-                                 mKeyFileHelper?.openFileOnClickViewListener?.onClick(it)
+                    CREATE_FILE_REQUEST_CODE)
+        } catch (e: Exception) {
+            BrowserDialogFragment().show(supportFragmentManager, "browserDialog")
         }
-                        },
-                        {
-                            fileSelectExpandableButtonView?.let {
-                                fileDatabaseSelectActivityEducation
-                                        .checkAndPerformedOpenLinkDatabaseEducation(it)
-                            }
-                        }
-                ))
-        ;
     }
 
     private fun fileNoFoundAction(e: FileNotFoundException) {
         val error = getString(R.string.file_not_found_content)
-        Toast.makeText(this@FileDatabaseSelectActivity,
-                error, Toast.LENGTH_LONG).show()
+        Snackbar.make(activity_file_selection_coordinator_layout, error, Snackbar.LENGTH_LONG).asError().show()
         Log.e(TAG, error, e)
     }
 
-    private fun launchPasswordActivity(fileName: String, keyFile: String) {
+    private fun launchPasswordActivity(databaseUri: Uri, keyFile: Uri?) {
         EntrySelectionHelper.doEntrySelectionAction(intent,
                 {
                     try {
                         PasswordActivity.launch(this@FileDatabaseSelectActivity,
-                                fileName, keyFile)
+                                databaseUri, keyFile)
                     } catch (e: FileNotFoundException) {
                         fileNoFoundAction(e)
                     }
@@ -245,7 +213,7 @@ class FileDatabaseSelectActivity : StylishActivity(),
                 {
                     try {
                         PasswordActivity.launchForKeyboardResult(this@FileDatabaseSelectActivity,
-                                fileName, keyFile)
+                                databaseUri, keyFile)
                         finish()
                     } catch (e: FileNotFoundException) {
                         fileNoFoundAction(e)
@@ -255,7 +223,7 @@ class FileDatabaseSelectActivity : StylishActivity(),
                     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                         try {
                             PasswordActivity.launchForAutofillResult(this@FileDatabaseSelectActivity,
-                                    fileName, keyFile,
+                                    databaseUri, keyFile,
                                     assistStructure)
                         } catch (e: FileNotFoundException) {
                             fileNoFoundAction(e)
@@ -265,8 +233,25 @@ class FileDatabaseSelectActivity : StylishActivity(),
                 })
     }
 
-    private fun launchPasswordActivityWithPath(path: String) {
-        launchPasswordActivity(path, "")
+    private fun launchGroupActivity(readOnly: Boolean) {
+        EntrySelectionHelper.doEntrySelectionAction(intent,
+                {
+                    GroupActivity.launch(this@FileDatabaseSelectActivity, readOnly)
+                },
+                {
+                    GroupActivity.launchForKeyboardSelection(this@FileDatabaseSelectActivity, readOnly)
+                    // Do not keep history
+                    finish()
+                },
+                { assistStructure ->
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                        GroupActivity.launchForAutofillResult(this@FileDatabaseSelectActivity, assistStructure, readOnly)
+                    }
+                })
+    }
+
+    private fun launchPasswordActivityWithPath(databaseUri: Uri) {
+        launchPasswordActivity(databaseUri, null)
         // Delete flickering for kitkat <=
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP)
             overridePendingTransition(0, 0)
@@ -292,29 +277,41 @@ class FileDatabaseSelectActivity : StylishActivity(),
     }
 
     override fun onResume() {
+        val database = Database.getInstance()
+        if (database.loaded) {
+            launchGroupActivity(database.isReadOnly)
+        }
+
         super.onResume()
 
         updateExternalStorageWarning()
+
+        // Construct adapter with listeners
+        mFileDatabaseHistoryAction?.getAllFileDatabaseHistories { databaseFileHistoryList ->
+            databaseFileHistoryList?.let {
+                mAdapterDatabaseHistory?.addDatabaseFileHistoryList(it)
                 updateFileListVisibility()
-        mAdapterDatabaseHistory!!.notifyDataSetChanged()
+                mAdapterDatabaseHistory?.notifyDataSetChanged()
+            }
+        }
+
+        // Register progress task
+        progressDialogThread?.registerProgressTask()
+    }
+
+    override fun onPause() {
+        // Unregister progress task
+        progressDialogThread?.unregisterProgressTask()
+
+        super.onPause()
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
         // only to keep the current activity
         outState.putBoolean(EXTRA_STAY, true)
-    }
-
-    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
-        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
-        // NOTE: delegate the permission handling to generated method
-        onRequestPermissionsResult(requestCode, grantResults)
-    }
-
-    @NeedsPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE)
-    fun openCreateFileDialogFragment() {
-        val createFileDialogFragment = CreateFileDialogFragment()
-        createFileDialogFragment.show(supportFragmentManager, "createFileDialogFragment")
+        // to retrieve the URI of a created database after an orientation change
+        outState.putParcelable(EXTRA_DATABASE_URI, mDatabaseFileUri)
     }
 
     private fun updateFileListVisibility() {
@@ -324,133 +321,26 @@ class FileDatabaseSelectActivity : StylishActivity(),
             fileListContainer?.visibility = View.VISIBLE
     }
 
-    /**
-     * Create file for database
-     * @return If not created, return false
-     */
-    private fun createDatabaseFile(path: Uri): Boolean {
-
-        val pathString = URLDecoder.decode(path.path, "UTF-8")
-        // Make sure file name exists
-        if (pathString.isEmpty()) {
-            Log.e(TAG, getString(R.string.error_filename_required))
-            Toast.makeText(this@FileDatabaseSelectActivity,
-                    R.string.error_filename_required,
-                    Toast.LENGTH_LONG).show()
-            return false
-        }
-
-        // Try to create the file
-        val file = File(pathString)
-        try {
-            if (file.exists()) {
-                Log.e(TAG, getString(R.string.error_database_exists) + " " + file)
-                Toast.makeText(this@FileDatabaseSelectActivity,
-                        R.string.error_database_exists,
-                        Toast.LENGTH_LONG).show()
-                return false
-            }
-            val parent = file.parentFile
-
-            if (parent == null || parent.exists() && !parent.isDirectory) {
-                Log.e(TAG, getString(R.string.error_invalid_path) + " " + file)
-                Toast.makeText(this@FileDatabaseSelectActivity,
-                        R.string.error_invalid_path,
-                        Toast.LENGTH_LONG).show()
-                return false
-            }
-
-            if (!parent.exists()) {
-                // Create parent directory
-                if (!parent.mkdirs()) {
-                    Log.e(TAG, getString(R.string.error_could_not_create_parent) + " " + parent)
-                    Toast.makeText(this@FileDatabaseSelectActivity,
-                            R.string.error_could_not_create_parent,
-                            Toast.LENGTH_LONG).show()
-                    return false
-                }
-            }
-
-            return file.createNewFile()
-        } catch (e: IOException) {
-            Log.e(TAG, getString(R.string.error_could_not_create_parent) + " " + e.localizedMessage)
-            e.printStackTrace()
-            Toast.makeText(
-                    this@FileDatabaseSelectActivity,
-                    getText(R.string.error_file_not_create).toString() + " "
-                            + e.localizedMessage,
-                    Toast.LENGTH_LONG).show()
-            return false
-        }
-
-    }
-
-    override fun onDefinePathDialogPositiveClick(pathFile: Uri?): Boolean {
-        mDatabaseFileUri = pathFile
-        if (pathFile == null)
-            return false
-        return if (createDatabaseFile(pathFile)) {
-            AssignMasterKeyDialogFragment().show(supportFragmentManager, "passwordDialog")
-            true
-        } else
-            false
-    }
-
-    override fun onDefinePathDialogNegativeClick(pathFile: Uri?): Boolean {
-        return true
-    }
-
     override fun onAssignKeyDialogPositiveClick(
             masterPasswordChecked: Boolean, masterPassword: String?,
             keyFileChecked: Boolean, keyFile: Uri?) {
 
         try {
-            UriUtil.parseUriFile(mDatabaseFileUri)?.let { databaseUri ->
+            mDatabaseFileUri?.let { databaseUri ->
 
                 // Create the new database
-                ProgressDialogThread(this@FileDatabaseSelectActivity,
-                        {
-                                CreateDatabaseRunnable(this@FileDatabaseSelectActivity,
+                progressDialogThread?.startDatabaseCreate(
                         databaseUri,
-                                        Database.getInstance(),
                         masterPasswordChecked,
                         masterPassword,
                         keyFileChecked,
-                                        keyFile,
-                                        true, // TODO get readonly
-                                        LaunchGroupActivityFinish(databaseUri)
+                        keyFile
                 )
-                        },
-                        R.string.progress_create)
-                        .start()
             }
         } catch (e: Exception) {
-            val error = "Unable to create database with this password and key file"
-            Toast.makeText(this, error, Toast.LENGTH_LONG).show()
-            Log.e(TAG, error + " " + e.message)
-            // TODO remove
-            e.printStackTrace()
-        }
-    }
-
-    private inner class LaunchGroupActivityFinish internal constructor(private val fileURI: Uri) : ActionRunnable() {
-
-        override fun run() {
-            finishRun(true, null)
-        }
-
-        override fun onFinishRun(result: Result) {
-            runOnUiThread {
-                if (result.isSuccess) {
-                    // Add database to recent files
-                    mFileDatabaseHistory?.addDatabaseUri(fileURI)
-                    mAdapterDatabaseHistory?.notifyDataSetChanged()
-                    updateFileListVisibility()
-                    GroupActivity.launch(this@FileDatabaseSelectActivity)
-                } else {
-                    Log.e(TAG, "Unable to open the database")
-                }
-            }
+            val error = getString(R.string.error_create_database_file)
+            Snackbar.make(activity_file_selection_coordinator_layout, error, Snackbar.LENGTH_LONG).asError().show()
+            Log.e(TAG, error, e)
         }
     }
 
@@ -460,29 +350,6 @@ class FileDatabaseSelectActivity : StylishActivity(),
 
     }
 
-    override fun onFileItemOpenListener(itemPosition: Int) {
-        OpenFileHistoryAsyncTask({ fileName, keyFile ->
-            if (fileName != null && keyFile != null)
-                launchPasswordActivity(fileName, keyFile)
-            updateFileListVisibility()
-        }, mFileDatabaseHistory).execute(itemPosition)
-    }
-
-    override fun onClickFileInformation(fileDatabaseModel: FileDatabaseModel) {
-        FileInformationDialogFragment.newInstance(fileDatabaseModel).show(supportFragmentManager, "fileInformation")
-    }
-
-    override fun onFileSelectClearListener(fileDatabaseModel: FileDatabaseModel): Boolean {
-        DeleteFileHistoryAsyncTask({
-            fileDatabaseModel.fileUri?.let {
-                mFileDatabaseHistory?.deleteDatabaseUri(it)
-            }
-            mAdapterDatabaseHistory?.notifyDataSetChanged()
-            updateFileListVisibility()
-        }, mFileDatabaseHistory, mAdapterDatabaseHistory).execute(fileDatabaseModel)
-        return true
-    }
-
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
 
@@ -490,44 +357,64 @@ class FileDatabaseSelectActivity : StylishActivity(),
             AutofillHelper.onActivityResultSetResultAndFinish(this, requestCode, resultCode, data)
         }
 
-        mKeyFileHelper?.onActivityResultCallback(requestCode, resultCode, data
+        mOpenFileHelper?.onActivityResultCallback(requestCode, resultCode, data
         ) { uri ->
             if (uri != null) {
-                if (PreferencesUtil.autoOpenSelectedFile(this@FileDatabaseSelectActivity)) {
-                    launchPasswordActivityWithPath(uri.toString())
-                } else {
-                    fileSelectExpandableLayout?.expand(false)
-                    openFileNameView?.setText(uri.toString())
-                }
-            }
+                launchPasswordActivityWithPath(uri)
             }
         }
 
-    @OnShowRationale(Manifest.permission.WRITE_EXTERNAL_STORAGE)
-    internal fun showRationaleForExternalStorage(request: PermissionRequest) {
-        AlertDialog.Builder(this)
-                .setMessage(R.string.permission_external_storage_rationale_write_database)
-                .setPositiveButton(R.string.allow) { _, _ -> request.proceed() }
-                .setNegativeButton(R.string.cancel) { _, _ -> request.cancel() }
-                .show()
+        // Retrieve the created URI from the file manager
+        if (requestCode == CREATE_FILE_REQUEST_CODE && resultCode == Activity.RESULT_OK) {
+            mDatabaseFileUri = data?.data
+            if (mDatabaseFileUri != null) {
+                AssignMasterKeyDialogFragment.getInstance(true)
+                        .show(supportFragmentManager, "passwordDialog")
             }
-
-    @OnPermissionDenied(Manifest.permission.WRITE_EXTERNAL_STORAGE)
-    internal fun showDeniedForExternalStorage() {
-        Toast.makeText(this, R.string.permission_external_storage_denied, Toast.LENGTH_SHORT).show()
+            // else {
+                // TODO Show error
+            // }
         }
-
-    @OnNeverAskAgain(Manifest.permission.WRITE_EXTERNAL_STORAGE)
-    internal fun showNeverAskForExternalStorage() {
-        Toast.makeText(this, R.string.permission_external_storage_never_ask, Toast.LENGTH_SHORT).show()
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         super.onCreateOptionsMenu(menu)
         MenuUtil.defaultMenuInflater(menuInflater, menu)
+
+        Handler().post { performedNextEducation(FileDatabaseSelectActivityEducation(this)) }
+
         return true
     }
 
+    private fun performedNextEducation(fileDatabaseSelectActivityEducation: FileDatabaseSelectActivityEducation) {
+        // If no recent files
+        val createDatabaseEducationPerformed = createButtonView != null && createButtonView!!.visibility == View.VISIBLE
+                && mAdapterDatabaseHistory != null
+                && mAdapterDatabaseHistory!!.itemCount > 0
+                && fileDatabaseSelectActivityEducation.checkAndPerformedCreateDatabaseEducation(
+                createButtonView!!,
+                {
+                    createNewFile()
+                },
+                {
+                    // But if the user cancel, it can also select a database
+                    performedNextEducation(fileDatabaseSelectActivityEducation)
+                })
+        if (!createDatabaseEducationPerformed) {
+            // selectDatabaseEducationPerformed
+            openDatabaseButtonView != null
+                    && fileDatabaseSelectActivityEducation.checkAndPerformedSelectDatabaseEducation(
+                    openDatabaseButtonView!!,
+                    {tapTargetView ->
+                        tapTargetView?.let {
+                            mOpenFileHelper?.openFileOnClickViewListener?.onClick(it)
+                        }
+                    },
+                    {}
+            )
+        }
+    }
+
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         return MenuUtil.onDefaultMenuOptionsItemSelected(this, item) && super.onOptionsItemSelected(item)
     }
@@ -536,6 +423,9 @@ class FileDatabaseSelectActivity : StylishActivity(),
 
         private const val TAG = "FileDbSelectActivity"
         private const val EXTRA_STAY = "EXTRA_STAY"
+        private const val EXTRA_DATABASE_URI = "EXTRA_DATABASE_URI"
+
+        private const val CREATE_FILE_REQUEST_CODE = 3853
 
         /*
          * -------------------------
@@ -550,7 +440,7 @@ class FileDatabaseSelectActivity : StylishActivity(),
          */
 
         fun launchForKeyboardSelection(activity: Activity) {
-            KeyboardHelper.startActivityForKeyboardSelection(activity, Intent(activity, FileDatabaseSelectActivity::class.java))
+            EntrySelectionHelper.startActivityForEntrySelection(activity, Intent(activity, FileDatabaseSelectActivity::class.java))
         }
 
         /*

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

@@ -18,7 +18,6 @@
  */
 package com.kunzisoft.keepass.activities
 
-import android.annotation.SuppressLint
 import android.app.Activity
 import android.app.SearchManager
 import android.app.assist.AssistStructure
@@ -29,17 +28,19 @@ import android.graphics.Color
 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.app.FragmentManager
-import android.support.v7.widget.SearchView
-import android.support.v7.widget.Toolbar
 import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
 import android.widget.ImageView
 import android.widget.TextView
+import androidx.annotation.RequiresApi
+import androidx.appcompat.view.ActionMode
+import androidx.appcompat.widget.SearchView
+import androidx.appcompat.widget.Toolbar
+import androidx.coordinatorlayout.widget.CoordinatorLayout
+import androidx.fragment.app.FragmentManager
+import com.google.android.material.snackbar.Snackbar
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.activities.dialogs.GroupEditDialogFragment
 import com.kunzisoft.keepass.activities.dialogs.IconPickerDialogFragment
@@ -48,38 +49,44 @@ import com.kunzisoft.keepass.activities.dialogs.SortDialogFragment
 import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
 import com.kunzisoft.keepass.activities.helpers.ReadOnlyHelper
 import com.kunzisoft.keepass.activities.lock.LockingActivity
-import com.kunzisoft.keepass.adapters.NodeAdapter
 import com.kunzisoft.keepass.adapters.SearchEntryCursorAdapter
 import com.kunzisoft.keepass.autofill.AutofillHelper
 import com.kunzisoft.keepass.database.SortNodeEnum
-import com.kunzisoft.keepass.database.action.ProgressDialogSaveDatabaseThread
-import com.kunzisoft.keepass.database.action.node.*
+import com.kunzisoft.keepass.database.action.ProgressDialogThread
 import com.kunzisoft.keepass.database.element.*
 import com.kunzisoft.keepass.education.GroupActivityEducation
 import com.kunzisoft.keepass.icons.assignDatabaseIcon
-import com.kunzisoft.keepass.magikeyboard.KeyboardHelper
 import com.kunzisoft.keepass.magikeyboard.MagikIME
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_COPY_NODES_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_CREATE_GROUP_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_DELETE_NODES_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_MOVE_NODES_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_UPDATE_GROUP_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.NEW_NODES_KEY
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.OLD_NODES_KEY
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.getListNodesFromBundle
 import com.kunzisoft.keepass.settings.PreferencesUtil
 import com.kunzisoft.keepass.timeout.TimeoutHelper
-import com.kunzisoft.keepass.utils.LOCK_ACTION
 import com.kunzisoft.keepass.utils.MenuUtil
 import com.kunzisoft.keepass.view.AddNodeButtonView
-import net.cachapa.expandablelayout.ExpandableLayout
+import com.kunzisoft.keepass.view.ToolbarAction
+import com.kunzisoft.keepass.view.asError
 
 class GroupActivity : LockingActivity(),
         GroupEditDialogFragment.EditGroupListener,
         IconPickerDialogFragment.IconPickerListener,
-        NodeAdapter.NodeMenuListener,
+        ListNodesFragment.NodeClickListener,
+        ListNodesFragment.NodesActionMenuListener,
         ListNodesFragment.OnScrollListener,
-        NodeAdapter.NodeClickCallback,
         SortDialogFragment.SortSelectionListener {
 
     // Views
+    private var coordinatorLayout: CoordinatorLayout? = null
     private var toolbar: Toolbar? = null
     private var searchTitleView: View? = null
-    private var toolbarPasteExpandableLayout: ExpandableLayout? = null
-    private var toolbarPaste: Toolbar? = null
+    private var toolbarAction: ToolbarAction? = null
     private var iconView: ImageView? = null
+    private var numberChildrenView: TextView? = null
     private var modeTitleView: TextView? = null
     private var addNodeButtonView: AddNodeButtonView? = null
     private var groupNameView: TextView? = null
@@ -89,12 +96,14 @@ class GroupActivity : LockingActivity(),
     private var mListNodesFragment: ListNodesFragment? = null
     private var mCurrentGroupIsASearch: Boolean = false
 
+    private var progressDialogThread: ProgressDialogThread? = null
+
     // Nodes
     private var mRootGroup: GroupVersioned? = null
     private var mCurrentGroup: GroupVersioned? = null
     private var mOldGroupToUpdate: GroupVersioned? = null
-    private var mNodeToCopy: NodeVersioned? = null
-    private var mNodeToMove: NodeVersioned? = null
+    // TODO private var mNodeToCopy: NodeVersioned? = null
+    // TODO private var mNodeToMove: NodeVersioned? = null
 
     private var mSearchSuggestionAdapter: SearchEntryCursorAdapter? = null
 
@@ -112,15 +121,27 @@ class GroupActivity : LockingActivity(),
         setContentView(layoutInflater.inflate(R.layout.activity_group, null))
 
         // Initialize views
-        iconView = findViewById(R.id.icon)
+        coordinatorLayout = findViewById(R.id.group_coordinator)
+        iconView = findViewById(R.id.group_icon)
+        numberChildrenView = findViewById(R.id.group_numbers)
         addNodeButtonView = findViewById(R.id.add_node_button)
         toolbar = findViewById(R.id.toolbar)
         searchTitleView = findViewById(R.id.search_title)
         groupNameView = findViewById(R.id.group_name)
-        toolbarPasteExpandableLayout = findViewById(R.id.expandable_toolbar_paste_layout)
-        toolbarPaste = findViewById(R.id.toolbar_paste)
+        toolbarAction = findViewById(R.id.toolbar_action)
         modeTitleView = findViewById(R.id.mode_title_view)
 
+        toolbar?.title = ""
+        setSupportActionBar(toolbar)
+
+        /*
+        toolbarAction?.setNavigationOnClickListener {
+            toolbarAction?.collapse()
+            mNodeToCopy = null
+            mNodeToMove = null
+        }
+        */
+
         // Focus view to reinitialize timeout
         resetAppTimeoutWhenViewFocusedOrChanged(addNodeButtonView)
 
@@ -128,13 +149,6 @@ class GroupActivity : LockingActivity(),
         if (savedInstanceState != null) {
             if (savedInstanceState.containsKey(OLD_GROUP_TO_UPDATE_KEY))
                 mOldGroupToUpdate = savedInstanceState.getParcelable(OLD_GROUP_TO_UPDATE_KEY)
-            if (savedInstanceState.containsKey(NODE_TO_COPY_KEY)) {
-                mNodeToCopy = savedInstanceState.getParcelable(NODE_TO_COPY_KEY)
-                toolbarPaste?.setOnMenuItemClickListener(OnCopyMenuItemClickListener())
-            } else if (savedInstanceState.containsKey(NODE_TO_MOVE_KEY)) {
-                mNodeToMove = savedInstanceState.getParcelable(NODE_TO_MOVE_KEY)
-                toolbarPaste?.setOnMenuItemClickListener(OnMoveMenuItemClickListener())
-            }
         }
 
         try {
@@ -155,17 +169,6 @@ class GroupActivity : LockingActivity(),
         // Update last access time.
         mCurrentGroup?.touch(modified = false, touchParents = false)
 
-        toolbar?.title = ""
-        setSupportActionBar(toolbar)
-
-        toolbarPaste?.inflateMenu(R.menu.node_paste_menu)
-        toolbarPaste?.setNavigationIcon(R.drawable.ic_arrow_left_white_24dp)
-        toolbarPaste?.setNavigationOnClickListener {
-            toolbarPasteExpandableLayout?.collapse()
-            mNodeToCopy = null
-            mNodeToMove = null
-        }
-
         // Retrieve the textColor to tint the icon
         val taTextColor = theme.obtainStyledAttributes(intArrayOf(R.attr.textColorInverse))
         mIconColor = taTextColor.getColor(0, Color.WHITE)
@@ -178,12 +181,12 @@ class GroupActivity : LockingActivity(),
         // Initialize the fragment with the list
         mListNodesFragment = supportFragmentManager.findFragmentByTag(fragmentTag) as ListNodesFragment?
         if (mListNodesFragment == null)
-            mListNodesFragment = ListNodesFragment.newInstance(mCurrentGroup, readOnly, mCurrentGroupIsASearch)
+            mListNodesFragment = ListNodesFragment.newInstance(mCurrentGroup, mReadOnly, mCurrentGroupIsASearch)
 
         // Attach fragment to content view
         supportFragmentManager.beginTransaction().replace(
                 R.id.nodes_list_fragment_container,
-                mListNodesFragment,
+                mListNodesFragment!!,
                 fragmentTag)
                 .commit()
 
@@ -199,25 +202,92 @@ class GroupActivity : LockingActivity(),
             }
         })
 
-        // Search suggestion
         mDatabase?.let { database ->
+            // Search suggestion
             mSearchSuggestionAdapter = SearchEntryCursorAdapter(this, database)
+
+            // Init dialog thread
+            progressDialogThread = ProgressDialogThread(this) { actionTask, result ->
+
+                var oldNodes: List<NodeVersioned> = ArrayList()
+                result.data?.getBundle(OLD_NODES_KEY)?.let { oldNodesBundle ->
+                    oldNodes = getListNodesFromBundle(database, oldNodesBundle)
+                }
+                var newNodes: List<NodeVersioned> = ArrayList()
+                result.data?.getBundle(NEW_NODES_KEY)?.let { newNodesBundle ->
+                    newNodes = getListNodesFromBundle(database, newNodesBundle)
+                }
+
+                when (actionTask) {
+                    ACTION_DATABASE_UPDATE_GROUP_TASK -> {
+                        if (result.isSuccess) {
+                            mListNodesFragment?.updateNodes(oldNodes, newNodes)
+                        }
+                    }
+                    ACTION_DATABASE_CREATE_GROUP_TASK,
+                    ACTION_DATABASE_COPY_NODES_TASK,
+                    ACTION_DATABASE_MOVE_NODES_TASK -> {
+                        if (result.isSuccess) {
+                            mListNodesFragment?.addNodes(newNodes)
+                        }
+                    }
+                    ACTION_DATABASE_DELETE_NODES_TASK -> {
+                        if (result.isSuccess) {
+
+                            // Rebuild all the list the avoid bug when delete node from db sort
+                            if (PreferencesUtil.getListSort(this@GroupActivity) == SortNodeEnum.DB) {
+                                mListNodesFragment?.rebuildList()
+                            } else {
+                                // Use the old Nodes / entries unchanged with the old parent
+                                mListNodesFragment?.removeNodes(oldNodes)
+                            }
+
+                            // Add trash in views list if it doesn't exists
+                            if (database.isRecycleBinEnabled) {
+                                val recycleBin = database.recycleBin
+                                if (mCurrentGroup != null && recycleBin != null
+                                        && mCurrentGroup!!.parent == null
+                                        && mCurrentGroup != recycleBin) {
+                                    if (mListNodesFragment?.contains(recycleBin) == true)
+                                        mListNodesFragment?.updateNode(recycleBin)
+                                    else
+                                        mListNodesFragment?.addNode(recycleBin)
+                                }
+                            }
+                        }
+                    }
+                }
+
+                if (!result.isSuccess) {
+                    result.exception?.errorId?.let { errorId ->
+                        coordinatorLayout?.let { coordinatorLayout ->
+                            Snackbar.make(coordinatorLayout, errorId, Snackbar.LENGTH_LONG).asError().show()
+                        }
+                    }
+                }
+
+                finishNodeAction()
+            }
         }
 
         Log.i(TAG, "Finished creating tree")
     }
 
-    override fun onNewIntent(intent: Intent) {
-        Log.d(TAG, "setNewIntent: $intent")
-        setIntent(intent)
-        mCurrentGroupIsASearch = if (Intent.ACTION_SEARCH == intent.action) {
+    override fun onNewIntent(intent: Intent?) {
+        super.onNewIntent(intent)
+
+        intent?.let { intentNotNull ->
+            Log.d(TAG, "setNewIntent: $intentNotNull")
+            setIntent(intentNotNull)
+            mCurrentGroupIsASearch = if (Intent.ACTION_SEARCH == intentNotNull.action) {
                 // only one instance of search in backstack
-            openSearchGroup(retrieveCurrentGroup(intent, null))
+                openSearchGroup(retrieveCurrentGroup(intentNotNull, null))
                 true
             } else {
                 false
             }
         }
+    }
 
     private fun openSearchGroup(group: GroupVersioned?) {
         // Delete the previous search fragment
@@ -239,7 +309,7 @@ class GroupActivity : LockingActivity(),
         // Check TimeoutHelper
         TimeoutHelper.checkTimeAndLockIfTimeoutOrResetTimeout(this) {
             // Open a group in a new fragment
-            val newListNodeFragment = ListNodesFragment.newInstance(group, readOnly, isASearch)
+            val newListNodeFragment = ListNodesFragment.newInstance(group, mReadOnly, isASearch)
             val fragmentTransaction = supportFragmentManager.beginTransaction()
             // Different animation
             val fragmentTag: String
@@ -272,17 +342,14 @@ class GroupActivity : LockingActivity(),
         mOldGroupToUpdate?.let {
             outState.putParcelable(OLD_GROUP_TO_UPDATE_KEY, it)
         }
-        mNodeToCopy?.let {
-            outState.putParcelable(NODE_TO_COPY_KEY, it)
-        }
-        mNodeToMove?.let {
-            outState.putParcelable(NODE_TO_MOVE_KEY, it)
-        }
         super.onSaveInstanceState(outState)
     }
 
     private fun retrieveCurrentGroup(intent: Intent, savedInstanceState: Bundle?): GroupVersioned? {
 
+        // Force read only if the database is like that
+        mReadOnly = mDatabase?.isReadOnly == true || mReadOnly
+
         // If it's a search
         if (Intent.ACTION_SEARCH == intent.action) {
             return mDatabase?.search(intent.getStringExtra(SearchManager.QUERY).trim { it <= ' ' })
@@ -297,8 +364,6 @@ class GroupActivity : LockingActivity(),
                     pwGroupId = intent.getParcelableExtra(GROUP_ID_KEY)
             }
 
-            readOnly = mDatabase?.isReadOnly == true || readOnly // Force read only if the database is like that
-
             Log.w(TAG, "Creating tree view")
             val currentGroup: GroupVersioned?
             currentGroup = if (pwGroupId == null) {
@@ -356,8 +421,18 @@ class GroupActivity : LockingActivity(),
             }
         }
 
+        // Assign number of children
+        numberChildrenView?.apply {
+            if (PreferencesUtil.showNumberEntries(context)) {
+                text = mCurrentGroup?.getChildEntries(true)?.size?.toString() ?: ""
+                visibility = View.VISIBLE
+            } else {
+                visibility = View.GONE
+            }
+        }
+
         // Show selection mode message if needed
-        if (selectionMode) {
+        if (mSelectionMode) {
             modeTitleView?.visibility = View.VISIBLE
         } else {
             modeTitleView?.visibility = View.GONE
@@ -367,8 +442,8 @@ class GroupActivity : LockingActivity(),
         addNodeButtonView?.apply {
 
             // To enable add button
-            val addGroupEnabled = !readOnly && !mCurrentGroupIsASearch
-            var addEntryEnabled = !readOnly && !mCurrentGroupIsASearch
+            val addGroupEnabled = !mReadOnly && !mCurrentGroupIsASearch
+            var addEntryEnabled = !mReadOnly && !mCurrentGroupIsASearch
             mCurrentGroup?.let {
                 val isRoot = it == mRootGroup
                 if (!it.allowAddEntryIfIsRoot())
@@ -401,7 +476,7 @@ class GroupActivity : LockingActivity(),
                 val entryVersioned = node as EntryVersioned
                 EntrySelectionHelper.doEntrySelectionAction(intent,
                         {
-                            EntryActivity.launch(this@GroupActivity, entryVersioned, readOnly)
+                            EntryActivity.launch(this@GroupActivity, entryVersioned, mReadOnly)
                         },
                         {
                             // Populate Magikeyboard with entry
@@ -427,12 +502,36 @@ class GroupActivity : LockingActivity(),
         }
     }
 
+    private var actionNodeMode: ActionMode? = null
+
+    private fun finishNodeAction() {
+        actionNodeMode?.finish()
+        actionNodeMode = null
+    }
+
+    override fun onNodeSelected(nodes: List<NodeVersioned>): Boolean {
+        if (nodes.isNotEmpty()) {
+            if (actionNodeMode == null || toolbarAction?.getSupportActionModeCallback() == null) {
+                mListNodesFragment?.actionNodesCallback(nodes, this)?.let {
+                    actionNodeMode = toolbarAction?.startSupportActionMode(it)
+                }
+            } else {
+                actionNodeMode?.invalidate()
+            }
+        } else {
+            finishNodeAction()
+        }
+        return true
+    }
+
     override fun onOpenMenuClick(node: NodeVersioned): Boolean {
+        finishNodeAction()
         onNodeClick(node)
         return true
     }
 
     override fun onEditMenuClick(node: NodeVersioned): Boolean {
+        finishNodeAction()
         when (node.type) {
             Type.GROUP -> {
                 mOldGroupToUpdate = node as GroupVersioned
@@ -445,132 +544,56 @@ class GroupActivity : LockingActivity(),
         return true
     }
 
-    override fun onCopyMenuClick(node: NodeVersioned): Boolean {
-        toolbarPasteExpandableLayout?.expand()
-        mNodeToCopy = node
-        toolbarPaste?.setOnMenuItemClickListener(OnCopyMenuItemClickListener())
-        return false
-    }
+    override fun onCopyMenuClick(nodes: List<NodeVersioned>): Boolean {
+        actionNodeMode?.invalidate()
 
-    private inner class OnCopyMenuItemClickListener : Toolbar.OnMenuItemClickListener {
-        override fun onMenuItemClick(item: MenuItem): Boolean {
-            toolbarPasteExpandableLayout?.collapse()
-
-            when (item.itemId) {
-                R.id.menu_paste -> {
-                    when (mNodeToCopy?.type) {
-                        Type.GROUP -> Log.e(TAG, "Copy not allowed for group")
-                        Type.ENTRY -> {
-                            mCurrentGroup?.let { currentGroup ->
-                                copyEntry(mNodeToCopy as EntryVersioned, currentGroup)
-                            }
-                        }
-                    }
-                    mNodeToCopy = null
+        // Nothing here fragment calls onPasteMenuClick internally
         return true
     }
-            }
+
+    override fun onMoveMenuClick(nodes: List<NodeVersioned>): Boolean {
+        actionNodeMode?.invalidate()
+
+        // Nothing here fragment calls onPasteMenuClick internally
         return true
     }
-    }
 
-    private fun copyEntry(entryToCopy: EntryVersioned, newParent: GroupVersioned) {
-        ProgressDialogSaveDatabaseThread(this) {
-            CopyEntryRunnable(this,
-                    Database.getInstance(),
-                    entryToCopy,
+    override fun onPasteMenuClick(pasteMode: ListNodesFragment.PasteMode?,
+                                  nodes: List<NodeVersioned>): Boolean {
+        when (pasteMode) {
+            ListNodesFragment.PasteMode.PASTE_FROM_COPY -> {
+                // Copy
+                mCurrentGroup?.let { newParent ->
+                    progressDialogThread?.startDatabaseCopyNodes(
+                            nodes,
                             newParent,
-                    AfterAddNodeRunnable(),
-                    !readOnly)
-        }.start()
-    }
-
-    override fun onMoveMenuClick(node: NodeVersioned): Boolean {
-        toolbarPasteExpandableLayout?.expand()
-        mNodeToMove = node
-        toolbarPaste?.setOnMenuItemClickListener(OnMoveMenuItemClickListener())
-        return false
-    }
-
-    private inner class OnMoveMenuItemClickListener : Toolbar.OnMenuItemClickListener {
-        override fun onMenuItemClick(item: MenuItem): Boolean {
-            toolbarPasteExpandableLayout?.collapse()
-
-            when (item.itemId) {
-                R.id.menu_paste -> {
-                    when (mNodeToMove?.type) {
-                        Type.GROUP -> {
-                            mCurrentGroup?.let { currentGroup ->
-                                moveGroup(mNodeToMove as GroupVersioned, currentGroup)
+                            !mReadOnly
+                    )
                 }
             }
-                        Type.ENTRY -> {
-                            mCurrentGroup?.let { currentGroup ->
-                                moveEntry(mNodeToMove as EntryVersioned, currentGroup)
-                            }
-                        }
-                    }
-                    mNodeToMove = null
-                    return true
-                }
-            }
-            return true
-        }
-    }
-
-    private fun moveGroup(groupToMove: GroupVersioned, newParent: GroupVersioned) {
-        ProgressDialogSaveDatabaseThread(this) {
-            MoveGroupRunnable(
-                this,
-                    Database.getInstance(),
-                groupToMove,
+            ListNodesFragment.PasteMode.PASTE_FROM_MOVE -> {
+                // Move
+                mCurrentGroup?.let { newParent ->
+                    progressDialogThread?.startDatabaseMoveNodes(
+                            nodes,
                             newParent,
-                AfterAddNodeRunnable(),
-                !readOnly)
-        }.start()
+                            !mReadOnly
+                    )
                 }
-
-    private fun moveEntry(entryToMove: EntryVersioned, newParent: GroupVersioned) {
-        ProgressDialogSaveDatabaseThread(this) {
-            MoveEntryRunnable(
-                    this,
-                    Database.getInstance(),
-                    entryToMove,
-                    newParent,
-                    AfterAddNodeRunnable(),
-                    !readOnly)
-        }.start()
             }
-
-    override fun onDeleteMenuClick(node: NodeVersioned): Boolean {
-        when (node.type) {
-            Type.GROUP -> deleteGroup(node as GroupVersioned)
-            Type.ENTRY -> deleteEntry(node as EntryVersioned)
+            else -> {}
         }
+        finishNodeAction()
         return true
     }
 
-    private fun deleteGroup(group: GroupVersioned) {
-        //TODO Verify trash recycle bin
-        ProgressDialogSaveDatabaseThread(this) {
-            DeleteGroupRunnable(
-                    this,
-                    Database.getInstance(),
-                    group,
-                    AfterDeleteNodeRunnable(),
-                    !readOnly)
-        }.start()
-    }
-
-    private fun deleteEntry(entry: EntryVersioned) {
-        ProgressDialogSaveDatabaseThread(this) {
-            DeleteEntryRunnable(
-                    this,
-                    Database.getInstance(),
-                    entry,
-                    AfterDeleteNodeRunnable(),
-                    !readOnly)
-        }.start()
+    override fun onDeleteMenuClick(nodes: List<NodeVersioned>): Boolean {
+        progressDialogThread?.startDatabaseDeleteNodes(
+                nodes,
+                !mReadOnly
+        )
+        finishNodeAction()
+        return true
     }
 
     override fun onResume() {
@@ -579,6 +602,16 @@ class GroupActivity : LockingActivity(),
         assignGroupViewElements()
         // Refresh suggestions to change preferences
         mSearchSuggestionAdapter?.reInit(this)
+
+        progressDialogThread?.registerProgressTask()
+    }
+
+    override fun onPause() {
+        progressDialogThread?.unregisterProgressTask()
+
+        super.onPause()
+
+        finishNodeAction()
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
@@ -586,7 +619,7 @@ class GroupActivity : LockingActivity(),
         val inflater = menuInflater
         inflater.inflate(R.menu.search, menu)
         inflater.inflate(R.menu.database_lock, menu)
-        if (!selectionMode) {
+        if (!mSelectionMode) {
             inflater.inflate(R.menu.default_menu, menu)
             MenuUtil.contributionMenuInflater(inflater, menu)
         }
@@ -628,8 +661,9 @@ class GroupActivity : LockingActivity(),
 
     private fun performedNextEducation(groupActivityEducation: GroupActivityEducation,
                                        menu: Menu) {
+
         // If no node, show education to add new one
-        if (mListNodesFragment != null
+        val addNodeButtonEducationPerformed = mListNodesFragment != null
                 && mListNodesFragment!!.isEmpty
                 && addNodeButtonView?.addButtonView != null
                 && addNodeButtonView!!.isEnable
@@ -641,8 +675,10 @@ class GroupActivity : LockingActivity(),
                         {
                             performedNextEducation(groupActivityEducation, menu)
                         }
-                ))
-        else if (toolbar != null
+                )
+        if (!addNodeButtonEducationPerformed) {
+
+            val searchMenuEducationPerformed = toolbar != null
                     && toolbar!!.findViewById<View>(R.id.menu_search) != null
                     && groupActivityEducation.checkAndPerformedSearchMenuEducation(
                     toolbar!!.findViewById(R.id.menu_search),
@@ -651,8 +687,11 @@ class GroupActivity : LockingActivity(),
                     },
                     {
                         performedNextEducation(groupActivityEducation, menu)
-                        }))
-        else if (toolbar != null
+                    })
+
+            if (!searchMenuEducationPerformed) {
+
+                val sortMenuEducationPerformed = toolbar != null
                         && toolbar!!.findViewById<View>(R.id.menu_sort) != null
                         && groupActivityEducation.checkAndPerformedSortMenuEducation(
                         toolbar!!.findViewById(R.id.menu_sort),
@@ -661,8 +700,11 @@ class GroupActivity : LockingActivity(),
                         },
                         {
                             performedNextEducation(groupActivityEducation, menu)
-                        }))
-        else if (toolbar != null
+                        })
+
+                if (!sortMenuEducationPerformed) {
+                    // lockMenuEducationPerformed
+                    toolbar != null
                             && toolbar!!.findViewById<View>(R.id.menu_lock) != null
                             && groupActivityEducation.checkAndPerformedLockMenuEducation(
                             toolbar!!.findViewById(R.id.menu_lock),
@@ -671,41 +713,9 @@ class GroupActivity : LockingActivity(),
                             },
                             {
                                 performedNextEducation(groupActivityEducation, menu)
-                        }))
-        ;
-    }
-
-    override fun startActivity(intent: Intent) {
-
-        // Get the intent, verify the action and get the query
-        if (Intent.ACTION_SEARCH == intent.action) {
-            val query = intent.getStringExtra(SearchManager.QUERY)
-            // manually launch the real search activity
-            val searchIntent = Intent(applicationContext, GroupActivity::class.java)
-            // add query to the Intent Extras
-            searchIntent.action = Intent.ACTION_SEARCH
-            searchIntent.putExtra(SearchManager.QUERY, query)
-
-            EntrySelectionHelper.doEntrySelectionAction(intent,
-                    {
-                        super@GroupActivity.startActivity(intent)
-                    },
-                    {
-                        KeyboardHelper.startActivityForKeyboardSelection(
-                                this@GroupActivity,
-                                searchIntent)
-                        finish()
-                    },
-                    { assistStructure ->
-                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-                            AutofillHelper.startActivityForAutofillResult(
-                                    this@GroupActivity,
-                                    searchIntent,
-                                    assistStructure)
-                        }
                             })
-        } else {
-            super.startActivity(intent)
+                }
+            }
         }
     }
 
@@ -724,7 +734,7 @@ class GroupActivity : LockingActivity(),
             }
             else -> {
                 // Check the time lock before launching settings
-                MenuUtil.onDefaultMenuOptionsItemSelected(this, item, readOnly, true)
+                MenuUtil.onDefaultMenuOptionsItemSelected(this, item, mReadOnly, true)
                 return super.onOptionsItemSelected(item)
             }
         }
@@ -733,7 +743,6 @@ class GroupActivity : LockingActivity(),
     override fun approveEditGroup(action: GroupEditDialogFragment.EditGroupDialogAction?,
                                   name: String?,
                                   icon: PwIcon?) {
-        val database = Database.getInstance()
 
         if (name != null && name.isNotEmpty() && icon != null) {
             when (action) {
@@ -741,94 +750,37 @@ class GroupActivity : LockingActivity(),
                     // If group creation
                     mCurrentGroup?.let { currentGroup ->
                         // Build the group
-                        database.createGroup()?.let { newGroup ->
+                        mDatabase?.createGroup()?.let { newGroup ->
                             newGroup.title = name
                             newGroup.icon = icon
                             // Not really needed here because added in runnable but safe
                             newGroup.parent = currentGroup
 
-                            // If group created save it in the database
-                            ProgressDialogSaveDatabaseThread(this) {
-                                AddGroupRunnable(this,
-                                        Database.getInstance(),
-                                        newGroup,
-                                        currentGroup,
-                                        AfterAddNodeRunnable(),
-                                        !readOnly)
-                            }.start()
+                            progressDialogThread?.startDatabaseCreateGroup(
+                                    newGroup, currentGroup, !mReadOnly)
                         }
                     }
                 }
-                GroupEditDialogFragment.EditGroupDialogAction.UPDATE ->
+                GroupEditDialogFragment.EditGroupDialogAction.UPDATE -> {
                     // If update add new elements
                     mOldGroupToUpdate?.let { oldGroupToUpdate ->
                         GroupVersioned(oldGroupToUpdate).let { updateGroup ->
-                            updateGroup.title = name
-                            // TODO custom icon
-                            updateGroup.icon = icon
+                            updateGroup.apply {
+                                // WARNING remove parent and children to keep memory
+                                removeParent()
+                                removeChildren() // TODO concurrent exception
 
-                            mListNodesFragment?.removeNode(oldGroupToUpdate)
+                                title = name
+                                this.icon = icon // TODO custom icon
+                            }
 
                             // If group updated save it in the database
-                            ProgressDialogSaveDatabaseThread(this) {
-                                UpdateGroupRunnable(this,
-                                        Database.getInstance(),
-                                        oldGroupToUpdate,
-                                        updateGroup,
-                                        AfterUpdateNodeRunnable(),
-                                        !readOnly)
-                            }.start()
-                        }
-                    }
-                else -> {
-                }
-            }
-        }
-    }
-
-    internal inner class AfterAddNodeRunnable : AfterActionNodeFinishRunnable() {
-        override fun onActionNodeFinish(actionNodeValues: ActionNodeValues) {
-            runOnUiThread {
-                if (actionNodeValues.result.isSuccess) {
-                    if (actionNodeValues.newNode != null)
-                        mListNodesFragment?.addNode(actionNodeValues.newNode)
-                }
-            }
-        }
-    }
-
-    internal inner class AfterUpdateNodeRunnable : AfterActionNodeFinishRunnable() {
-        override fun onActionNodeFinish(actionNodeValues: ActionNodeValues) {
-            runOnUiThread {
-                if (actionNodeValues.result.isSuccess) {
-                    if (actionNodeValues.oldNode!= null && actionNodeValues.newNode != null)
-                        mListNodesFragment?.updateNode(actionNodeValues.oldNode, actionNodeValues.newNode)
-                }
-            }
-        }
-    }
-
-    internal inner class AfterDeleteNodeRunnable : AfterActionNodeFinishRunnable() {
-        override fun onActionNodeFinish(actionNodeValues: ActionNodeValues) {
-            runOnUiThread {
-                if (actionNodeValues.result.isSuccess) {
-                    actionNodeValues.oldNode?.let { oldNode ->
-
-                        mListNodesFragment?.removeNode(oldNode)
-
-                        // TODO Move trash view
-                        // Add trash in views list if it doesn't exists
-                        val database = Database.getInstance()
-                        if (database.isRecycleBinEnabled) {
-                            val recycleBin = database.recycleBin
-                            if (mCurrentGroup != null && recycleBin != null
-                                && mCurrentGroup!!.parent == null
-                                && mCurrentGroup != recycleBin) {
-                                    mListNodesFragment?.addNode(recycleBin)
-                            }
+                            progressDialogThread?.startDatabaseUpdateGroup(
+                                    oldGroupToUpdate, updateGroup, !mReadOnly)
                         }
                     }
                 }
+                else -> {}
             }
         }
     }
@@ -847,11 +799,9 @@ class GroupActivity : LockingActivity(),
     }
 
     private fun showWarnings() {
-        // TODO Preferences
         if (Database.getInstance().isReadOnly) {
-            val prefs = PreferenceManager.getDefaultSharedPreferences(this)
-            if (prefs.getBoolean(getString(R.string.show_read_only_warning), true)) {
-                ReadOnlyDialog(this).show()
+            if (PreferencesUtil.showReadOnlyWarning(this)) {
+                ReadOnlyDialog().show(supportFragmentManager, "readOnlyDialog")
             }
         }
     }
@@ -860,6 +810,40 @@ class GroupActivity : LockingActivity(),
         mListNodesFragment?.onSortSelected(sortNodeEnum, ascending, groupsBefore, recycleBinBottom)
     }
 
+    override fun startActivity(intent: Intent) {
+
+        // Get the intent, verify the action and get the query
+        if (Intent.ACTION_SEARCH == intent.action) {
+            // manually launch the real search activity
+            val searchIntent = Intent(applicationContext, GroupActivity::class.java).apply {
+                // Add bundle of current intent
+                putExtras(this@GroupActivity.intent)
+                // add query to the Intent Extras
+                action = Intent.ACTION_SEARCH
+                putExtra(SearchManager.QUERY, intent.getStringExtra(SearchManager.QUERY))
+            }
+
+            super.startActivity(searchIntent)
+        } else {
+            super.startActivity(intent)
+        }
+    }
+
+    override fun startActivityForResult(intent: Intent, requestCode: Int, options: Bundle?) {
+        /*
+         * 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 == intent.action) {
+            var flags = intent.flags
+            flags = flags and Intent.FLAG_ACTIVITY_NEW_TASK.inv()
+            intent.flags = flags
+        }
+
+        super.startActivityForResult(intent, requestCode, options)
+    }
+
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
 
@@ -871,24 +855,6 @@ class GroupActivity : LockingActivity(),
         mListNodesFragment?.rebuildList()
     }
 
-    @SuppressLint("RestrictedApi")
-    override fun startActivityForResult(intent: Intent, requestCode: Int, options: Bundle?) {
-        /*
-         * 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 == intent.action) {
-            var flags = intent.flags
-            flags = flags and Intent.FLAG_ACTIVITY_NEW_TASK.inv()
-            intent.flags = flags
-        }
-
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
-            super.startActivityForResult(intent, requestCode, options)
-        }
-    }
-
     private fun removeSearchInIntent(intent: Intent) {
         if (Intent.ACTION_SEARCH == intent.action) {
             mCurrentGroupIsASearch = false
@@ -898,6 +864,9 @@ class GroupActivity : LockingActivity(),
     }
 
     override fun onBackPressed() {
+        if (mListNodesFragment?.nodeActionSelectionMode == true) {
+            finishNodeAction()
+        } else {
             // Normal way when we are not in root
             if (mRootGroup != null && mRootGroup != mCurrentGroup)
                 super.onBackPressed()
@@ -918,6 +887,7 @@ class GroupActivity : LockingActivity(),
             removeSearchInIntent(intent)
             assignGroupViewElements()
         }
+    }
 
     companion object {
 
@@ -927,13 +897,15 @@ class GroupActivity : LockingActivity(),
         private const val LIST_NODES_FRAGMENT_TAG = "LIST_NODES_FRAGMENT_TAG"
         private const val SEARCH_FRAGMENT_TAG = "SEARCH_FRAGMENT_TAG"
         private const val OLD_GROUP_TO_UPDATE_KEY = "OLD_GROUP_TO_UPDATE_KEY"
-        private const val NODE_TO_COPY_KEY = "NODE_TO_COPY_KEY"
-        private const val NODE_TO_MOVE_KEY = "NODE_TO_MOVE_KEY"
 
-        private fun buildAndLaunchIntent(activity: Activity, group: GroupVersioned?, readOnly: Boolean,
+        private fun buildAndLaunchIntent(context: Context, group: GroupVersioned?, readOnly: Boolean,
                                          intentBuildLauncher: (Intent) -> Unit) {
-            if (TimeoutHelper.checkTimeAndLockIfTimeout(activity)) {
-                val intent = Intent(activity, GroupActivity::class.java)
+            val checkTime = if (context is Activity)
+                TimeoutHelper.checkTimeAndLockIfTimeout(context)
+            else
+                TimeoutHelper.checkTime(context)
+            if (checkTime) {
+                val intent = Intent(context, GroupActivity::class.java)
                 if (group != null) {
                     intent.putExtra(GROUP_ID_KEY, group.nodeId)
                 }
@@ -949,10 +921,10 @@ class GroupActivity : LockingActivity(),
          */
 
         @JvmOverloads
-        fun launch(activity: Activity, readOnly: Boolean = PreferencesUtil.enableReadOnlyDatabase(activity)) {
-            TimeoutHelper.recordTime(activity)
-            buildAndLaunchIntent(activity, null, readOnly) { intent ->
-                activity.startActivity(intent)
+        fun launch(context: Context, readOnly: Boolean = PreferencesUtil.enableReadOnlyDatabase(context)) {
+            TimeoutHelper.recordTime(context)
+            buildAndLaunchIntent(context, null, readOnly) { intent ->
+                context.startActivity(intent)
             }
         }
 
@@ -963,10 +935,10 @@ class GroupActivity : LockingActivity(),
          */
         // TODO implement pre search to directly open the direct group
 
-        fun launchForKeyboardSelection(activity: Activity, readOnly: Boolean) {
-            TimeoutHelper.recordTime(activity)
-            buildAndLaunchIntent(activity, null, readOnly) { intent ->
-                KeyboardHelper.startActivityForKeyboardSelection(activity, intent)
+        fun launchForKeyboardSelection(context: Context, readOnly: Boolean) {
+            TimeoutHelper.recordTime(context)
+            buildAndLaunchIntent(context, null, readOnly) { intent ->
+                EntrySelectionHelper.startActivityForEntrySelection(context, intent)
             }
         }
 

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

@@ -5,8 +5,8 @@ import android.content.Intent
 import android.content.SharedPreferences
 import android.os.Bundle
 import android.preference.PreferenceManager
-import android.support.v7.widget.LinearLayoutManager
-import android.support.v7.widget.RecyclerView
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 import android.util.Log
 import android.view.LayoutInflater
 import android.view.Menu
@@ -14,6 +14,7 @@ import android.view.MenuInflater
 import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
+import androidx.appcompat.view.ActionMode
 
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.adapters.NodeAdapter
@@ -25,11 +26,13 @@ import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
 import com.kunzisoft.keepass.settings.PreferencesUtil
 import com.kunzisoft.keepass.activities.stylish.StylishFragment
 import com.kunzisoft.keepass.activities.helpers.ReadOnlyHelper
+import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.database.element.Type
+import java.util.*
 
 class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionListener {
 
-    private var nodeClickCallback: NodeAdapter.NodeClickCallback? = null
-    private var nodeMenuListener: NodeAdapter.NodeMenuListener? = null
+    private var nodeClickListener: NodeClickListener? = null
     private var onScrollListener: OnScrollListener? = null
 
     private var listView: RecyclerView? = null
@@ -37,6 +40,13 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
         private set
     private var mAdapter: NodeAdapter? = null
 
+    var nodeActionSelectionMode = false
+        private set
+    var nodeActionPasteMode: PasteMode = PasteMode.UNDEFINED
+        private set
+    private val listActionNodes = LinkedList<NodeVersioned>()
+    private val listPasteNodes = LinkedList<NodeVersioned>()
+
     private var notFoundView: View? = null
     private var isASearchResult: Boolean = false
 
@@ -52,31 +62,22 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
     val isEmpty: Boolean
         get() = mAdapter == null || mAdapter?.itemCount?:0 <= 0
 
-    override fun onAttach(context: Context?) {
+    override fun onAttach(context: Context) {
         super.onAttach(context)
         try {
-            nodeClickCallback = context as NodeAdapter.NodeClickCallback?
+            nodeClickListener = context as NodeClickListener
         } catch (e: ClassCastException) {
             // The activity doesn't implement the interface, throw exception
-            throw ClassCastException(context?.toString()
+            throw ClassCastException(context.toString()
                     + " must implement " + NodeAdapter.NodeClickCallback::class.java.name)
         }
 
         try {
-            nodeMenuListener = context as NodeAdapter.NodeMenuListener?
-        } catch (e: ClassCastException) {
-            nodeMenuListener = null
-            // Context menu can be omit
-            Log.w(TAG, context?.toString()
-                    + " must implement " + NodeAdapter.NodeMenuListener::class.java.name)
-        }
-
-        try {
-            onScrollListener = context as OnScrollListener?
+            onScrollListener = context as OnScrollListener
         } catch (e: ClassCastException) {
             onScrollListener = null
             // Context menu can be omit
-            Log.w(TAG, context?.toString()
+            Log.w(TAG, context.toString()
                     + " must implement " + RecyclerView.OnScrollListener::class.java.name)
         }
     }
@@ -84,7 +85,6 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        activity?.let { currentActivity ->
         setHasOptionsMenu(true)
 
         readOnly = ReadOnlyHelper.retrieveReadOnlyFromInstanceStateOrArguments(savedInstanceState, arguments)
@@ -100,18 +100,44 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
         }
 
         contextThemed?.let { context ->
-                mAdapter = NodeAdapter(context, currentActivity.menuInflater)
+            mAdapter = NodeAdapter(context)
             mAdapter?.apply {
-                    setReadOnly(readOnly)
-                    setIsASearchResult(isASearchResult)
-                    setOnNodeClickListener(nodeClickCallback)
-                    setActivateContextMenu(true)
-                    setNodeMenuListener(nodeMenuListener)
+                setOnNodeClickListener(object : NodeAdapter.NodeClickCallback {
+                    override fun onNodeClick(node: NodeVersioned) {
+                        if (nodeActionSelectionMode) {
+                            if (listActionNodes.contains(node)) {
+                                // Remove selected item if already selected
+                                listActionNodes.remove(node)
+                            } else {
+                                // Add selected item if not already selected
+                                listActionNodes.add(node)
+                            }
+                            nodeClickListener?.onNodeSelected(listActionNodes)
+                            setActionNodes(listActionNodes)
+                            notifyNodeChanged(node)
+                        } else {
+                            nodeClickListener?.onNodeClick(node)
+                        }
+                    }
+
+                    override fun onNodeLongClick(node: NodeVersioned): Boolean {
+                        if (nodeActionPasteMode == PasteMode.UNDEFINED) {
+                            // Select the first item after a long click
+                            if (!listActionNodes.contains(node))
+                                listActionNodes.add(node)
+
+                            nodeClickListener?.onNodeSelected(listActionNodes)
+
+                            setActionNodes(listActionNodes)
+                            notifyNodeChanged(node)
+                        }
+                        return true
+                    }
+                })
             }
         }
         prefs = PreferenceManager.getDefaultSharedPreferences(context)
     }
-    }
 
     override fun onSaveInstanceState(outState: Bundle) {
         ReadOnlyHelper.onSaveInstanceState(outState, readOnly)
@@ -129,7 +155,7 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
 
         onScrollListener?.let { onScrollListener ->
             listView?.addOnScrollListener(object : RecyclerView.OnScrollListener() {
-                override fun onScrolled(recyclerView: RecyclerView?, dx: Int, dy: Int) {
+                override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
                     super.onScrolled(recyclerView, dx, dy)
                     onScrollListener.onScrolled(dy)
                 }
@@ -147,10 +173,6 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
         activity?.intent?.let {
             selectionMode = EntrySelectionHelper.retrieveEntrySelectionModeFromIntent(it)
         }
-        // Force read only mode if selection mode
-        mAdapter?.apply {
-            setReadOnly(readOnly)
-        }
 
         // Refresh data
         mAdapter?.notifyDataSetChanged()
@@ -194,35 +216,31 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
         }
     }
 
-    override fun onCreateOptionsMenu(menu: Menu?, inflater: MenuInflater?) {
-        inflater?.inflate(R.menu.tree, menu)
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        inflater.inflate(R.menu.tree, menu)
 
         super.onCreateOptionsMenu(menu, inflater)
     }
 
-    override fun onOptionsItemSelected(item: MenuItem?): Boolean {
-        when (item?.itemId) {
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
 
             R.id.menu_sort -> {
                 context?.let { context ->
-                    val sortDialogFragment: SortDialogFragment
-
-                    /*
-                    // TODO Recycle bin bottom
-                    if (database.isRecycleBinAvailable() && database.isRecycleBinEnabled()) {
-                        sortDialogFragment =
+                    val sortDialogFragment: SortDialogFragment =
+                            if (Database.getInstance().allowRecycleBin
+                                    && Database.getInstance().isRecycleBinEnabled) {
                                 SortDialogFragment.getInstance(
-                                        PrefsUtil.getListSort(this),
-                                        PrefsUtil.getAscendingSort(this),
-                                        PrefsUtil.getGroupsBeforeSort(this),
-                                        PrefsUtil.getRecycleBinBottomSort(this));
+                                        PreferencesUtil.getListSort(context),
+                                        PreferencesUtil.getAscendingSort(context),
+                                        PreferencesUtil.getGroupsBeforeSort(context),
+                                        PreferencesUtil.getRecycleBinBottomSort(context))
                             } else {
-                    */
-                    sortDialogFragment = SortDialogFragment.getInstance(
+                                SortDialogFragment.getInstance(
                                         PreferencesUtil.getListSort(context),
                                         PreferencesUtil.getAscendingSort(context),
                                         PreferencesUtil.getGroupsBeforeSort(context))
-                    //}
+                            }
 
                     sortDialogFragment.show(childFragmentManager, "sortDialog")
                 }
@@ -233,6 +251,102 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
         }
     }
 
+    fun actionNodesCallback(nodes: List<NodeVersioned>,
+                            menuListener: NodesActionMenuListener?) : ActionMode.Callback {
+
+        return object : ActionMode.Callback {
+
+            override fun onCreateActionMode(mode: ActionMode?, menu: Menu?): Boolean {
+                nodeActionSelectionMode = false
+                nodeActionPasteMode = PasteMode.UNDEFINED
+                return true
+            }
+
+            override fun onPrepareActionMode(mode: ActionMode?, menu: Menu?): Boolean {
+                menu?.clear()
+
+                if (nodeActionPasteMode != PasteMode.UNDEFINED) {
+                    mode?.menuInflater?.inflate(R.menu.node_paste_menu, menu)
+                } else {
+                    nodeActionSelectionMode = true
+                    mode?.menuInflater?.inflate(R.menu.node_menu, menu)
+
+                    val database = Database.getInstance()
+
+                    // Open and Edit for a single item
+                    if (nodes.size == 1) {
+                        // Edition
+                        if (readOnly || nodes[0] == database.recycleBin) {
+                            menu?.removeItem(R.id.menu_edit)
+                        }
+                    } else {
+                        menu?.removeItem(R.id.menu_open)
+                        menu?.removeItem(R.id.menu_edit)
+                    }
+
+                    // Copy and Move (not for groups)
+                    if (readOnly
+                            || isASearchResult
+                            || nodes.any { it == database.recycleBin }
+                            || nodes.any { it.type == Type.GROUP }) {
+                        // TODO COPY For Group
+                        menu?.removeItem(R.id.menu_copy)
+                        menu?.removeItem(R.id.menu_move)
+                    }
+
+                    // Deletion
+                    if (readOnly || nodes.any { it == database.recycleBin }) {
+                        menu?.removeItem(R.id.menu_delete)
+                    }
+                }
+
+                // Add the number of items selected in title
+                mode?.title = nodes.size.toString()
+
+                return true
+            }
+
+            override fun onActionItemClicked(mode: ActionMode?, item: MenuItem?): Boolean {
+                if (menuListener == null)
+                    return false
+                return when (item?.itemId) {
+                    R.id.menu_open -> menuListener.onOpenMenuClick(nodes[0])
+                    R.id.menu_edit -> menuListener.onEditMenuClick(nodes[0])
+                    R.id.menu_copy -> {
+                        nodeActionPasteMode = PasteMode.PASTE_FROM_COPY
+                        mAdapter?.unselectActionNodes()
+                        val returnValue = menuListener.onCopyMenuClick(nodes)
+                        nodeActionSelectionMode = false
+                        returnValue
+                    }
+                    R.id.menu_move -> {
+                        nodeActionPasteMode = PasteMode.PASTE_FROM_MOVE
+                        mAdapter?.unselectActionNodes()
+                        val returnValue = menuListener.onMoveMenuClick(nodes)
+                        nodeActionSelectionMode = false
+                        returnValue
+                    }
+                    R.id.menu_delete -> menuListener.onDeleteMenuClick(nodes)
+                    R.id.menu_paste -> {
+                        val returnValue = menuListener.onPasteMenuClick(nodeActionPasteMode, nodes)
+                        nodeActionPasteMode = PasteMode.UNDEFINED
+                        nodeActionSelectionMode = false
+                        returnValue
+                    }
+                    else -> false
+                }
+            }
+
+            override fun onDestroyActionMode(mode: ActionMode?) {
+                listActionNodes.clear()
+                listPasteNodes.clear()
+                mAdapter?.unselectActionNodes()
+                nodeActionPasteMode = PasteMode.UNDEFINED
+                nodeActionSelectionMode = false
+            }
+        }
+    }
+
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
 
@@ -255,18 +369,66 @@ class ListNodesFragment : StylishFragment(), SortDialogFragment.SortSelectionLis
         }
     }
 
+    fun contains(node: NodeVersioned): Boolean {
+        return mAdapter?.contains(node) ?: false
+    }
+
     fun addNode(newNode: NodeVersioned) {
         mAdapter?.addNode(newNode)
     }
 
-    fun updateNode(oldNode: NodeVersioned, newNode: NodeVersioned) {
-        mAdapter?.updateNode(oldNode, newNode)
+    fun addNodes(newNodes: List<NodeVersioned>) {
+        mAdapter?.addNodes(newNodes)
+    }
+
+    fun updateNode(oldNode: NodeVersioned, newNode: NodeVersioned? = null) {
+        mAdapter?.updateNode(oldNode, newNode ?: oldNode)
+    }
+
+    fun updateNodes(oldNodes: List<NodeVersioned>, newNodes: List<NodeVersioned>) {
+        mAdapter?.updateNodes(oldNodes, newNodes)
     }
 
     fun removeNode(pwNode: NodeVersioned) {
         mAdapter?.removeNode(pwNode)
     }
 
+    fun removeNodes(nodes: List<NodeVersioned>) {
+        mAdapter?.removeNodes(nodes)
+    }
+
+    fun removeNodeAt(position: Int) {
+        mAdapter?.removeNodeAt(position)
+    }
+
+    fun removeNodesAt(positions: IntArray) {
+        mAdapter?.removeNodesAt(positions)
+    }
+
+    /**
+     * Callback listener to redefine to do an action when a node is click
+     */
+    interface NodeClickListener {
+        fun onNodeClick(node: NodeVersioned)
+        fun onNodeSelected(nodes: List<NodeVersioned>): Boolean
+    }
+
+    /**
+     * Menu listener to redefine to do an action in menu
+     */
+    interface NodesActionMenuListener {
+        fun onOpenMenuClick(node: NodeVersioned): Boolean
+        fun onEditMenuClick(node: NodeVersioned): Boolean
+        fun onCopyMenuClick(nodes: List<NodeVersioned>): Boolean
+        fun onMoveMenuClick(nodes: List<NodeVersioned>): Boolean
+        fun onDeleteMenuClick(nodes: List<NodeVersioned>): Boolean
+        fun onPasteMenuClick(pasteMode: PasteMode?, nodes: List<NodeVersioned>): Boolean
+    }
+
+    enum class PasteMode {
+        UNDEFINED, PASTE_FROM_COPY, PASTE_FROM_MOVE
+    }
+
     interface OnScrollListener {
 
         /**

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

@@ -19,61 +19,69 @@
  */
 package com.kunzisoft.keepass.activities
 
-import android.Manifest
 import android.app.Activity
 import android.app.assist.AssistStructure
 import android.app.backup.BackupManager
-import android.content.DialogInterface
 import android.content.Intent
 import android.content.SharedPreferences
-import android.hardware.fingerprint.FingerprintManager
 import android.net.Uri
 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.app.AlertDialog
-import android.support.v7.widget.Toolbar
 import android.text.Editable
 import android.text.TextWatcher
+import android.util.Log
 import android.view.KeyEvent
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
 import android.view.inputmethod.EditorInfo.IME_ACTION_DONE
-import android.widget.*
+import android.widget.Button
+import android.widget.CompoundButton
+import android.widget.EditText
+import android.widget.TextView
+import androidx.annotation.RequiresApi
+import androidx.appcompat.widget.Toolbar
+import androidx.biometric.BiometricManager
+import com.google.android.material.snackbar.Snackbar
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.activities.dialogs.PasswordEncodingDialogFragment
-import com.kunzisoft.keepass.activities.helpers.*
+import com.kunzisoft.keepass.activities.dialogs.DuplicateUuidDialog
+import com.kunzisoft.keepass.activities.dialogs.FingerPrintExplanationDialog
+import com.kunzisoft.keepass.activities.helpers.EntrySelectionHelper
+import com.kunzisoft.keepass.activities.helpers.OpenFileHelper
+import com.kunzisoft.keepass.activities.helpers.ReadOnlyHelper
 import com.kunzisoft.keepass.activities.lock.LockingActivity
 import com.kunzisoft.keepass.activities.stylish.StylishActivity
-import com.kunzisoft.keepass.app.App
+import com.kunzisoft.keepass.app.database.CipherDatabaseEntity
+import com.kunzisoft.keepass.app.database.FileDatabaseHistoryAction
 import com.kunzisoft.keepass.autofill.AutofillHelper
-import com.kunzisoft.keepass.database.action.LoadDatabaseRunnable
+import com.kunzisoft.keepass.biometric.AdvancedUnlockedManager
 import com.kunzisoft.keepass.database.action.ProgressDialogThread
 import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.database.exception.LoadDatabaseDuplicateUuidException
 import com.kunzisoft.keepass.education.PasswordActivityEducation
-import com.kunzisoft.keepass.fingerprint.FingerPrintHelper
-import com.kunzisoft.keepass.fingerprint.FingerPrintViewsManager
-import com.kunzisoft.keepass.magikeyboard.KeyboardHelper
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.ACTION_DATABASE_LOAD_TASK
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.CIPHER_ENTITY_KEY
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.DATABASE_URI_KEY
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.KEY_FILE_KEY
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.MASTER_PASSWORD_KEY
+import com.kunzisoft.keepass.notifications.DatabaseTaskNotificationService.Companion.READ_ONLY_KEY
 import com.kunzisoft.keepass.settings.PreferencesUtil
-import com.kunzisoft.keepass.tasks.ActionRunnable
+import com.kunzisoft.keepass.utils.FileDatabaseInfo
 import com.kunzisoft.keepass.utils.MenuUtil
 import com.kunzisoft.keepass.utils.UriUtil
-import com.kunzisoft.keepass.view.FingerPrintInfoView
-import permissions.dispatcher.*
-import java.io.File
+import com.kunzisoft.keepass.view.AdvancedUnlockInfoView
+import com.kunzisoft.keepass.view.asError
+import kotlinx.android.synthetic.main.activity_password.*
 import java.io.FileNotFoundException
-import java.lang.ref.WeakReference
 
-@RuntimePermissions
-class PasswordActivity : StylishActivity(),
-        UriIntentInitTaskCallback {
+class PasswordActivity : StylishActivity() {
 
     // Views
     private var toolbar: Toolbar? = null
 
+    private var containerView: View? = null
     private var filenameView: TextView? = null
     private var passwordView: EditText? = null
     private var keyFileView: EditText? = null
@@ -81,26 +89,29 @@ class PasswordActivity : StylishActivity(),
     private var checkboxPasswordView: CompoundButton? = null
     private var checkboxKeyFileView: CompoundButton? = null
     private var checkboxDefaultDatabaseView: CompoundButton? = null
-    private var fingerPrintInfoView: FingerPrintInfoView? = null
+    private var advancedUnlockInfoView: AdvancedUnlockInfoView? = null
     private var enableButtonOnCheckedChangeListener: CompoundButton.OnCheckedChangeListener? = null
 
     private var mDatabaseFileUri: Uri? = null
+    private var mDatabaseKeyFileUri: Uri? = null
+
     private var prefs: SharedPreferences? = null
 
     private var mRememberKeyFile: Boolean = false
-    private var mKeyFileHelper: KeyFileHelper? = null
+    private var mOpenFileHelper: OpenFileHelper? = null
 
     private var readOnly: Boolean = false
 
-    private var fingerPrintViewsManager: FingerPrintViewsManager? = null
+    private var progressDialogThread: ProgressDialogThread? = null
+
+    private var advancedUnlockedManager: AdvancedUnlockedManager? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
         prefs = PreferenceManager.getDefaultSharedPreferences(this)
 
-        mRememberKeyFile = prefs!!.getBoolean(getString(R.string.keyfile_key),
-                resources.getBoolean(R.bool.keyfile_default))
+        mRememberKeyFile = PreferencesUtil.rememberKeyFiles(this)
 
         setContentView(R.layout.activity_password)
 
@@ -110,6 +121,7 @@ class PasswordActivity : StylishActivity(),
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
         supportActionBar?.setDisplayShowHomeEnabled(true)
 
+        containerView = findViewById(R.id.container)
         confirmButtonView = findViewById(R.id.pass_ok)
         filenameView = findViewById(R.id.filename)
         passwordView = findViewById(R.id.password)
@@ -117,13 +129,13 @@ class PasswordActivity : StylishActivity(),
         checkboxPasswordView = findViewById(R.id.password_checkbox)
         checkboxKeyFileView = findViewById(R.id.keyfile_checkox)
         checkboxDefaultDatabaseView = findViewById(R.id.default_database)
-        fingerPrintInfoView = findViewById(R.id.fingerprint_info)
+        advancedUnlockInfoView = findViewById(R.id.fingerprint_info)
 
         readOnly = ReadOnlyHelper.retrieveReadOnlyFromInstanceStateOrPreference(this, savedInstanceState)
 
-        val browseView = findViewById<View>(R.id.browse_button)
-        mKeyFileHelper = KeyFileHelper(this@PasswordActivity)
-        browseView.setOnClickListener(mKeyFileHelper!!.openFileOnClickViewListener)
+        val browseView = findViewById<View>(R.id.open_database_button)
+        mOpenFileHelper = OpenFileHelper(this@PasswordActivity)
+        browseView.setOnClickListener(mOpenFileHelper!!.openFileOnClickViewListener)
 
         passwordView?.setOnEditorActionListener(onEditorActionListener)
         passwordView?.addTextChangedListener(object : TextWatcher {
@@ -148,11 +160,91 @@ class PasswordActivity : StylishActivity(),
             }
         })
 
-        enableButtonOnCheckedChangeListener = CompoundButton.OnCheckedChangeListener { _, isChecked ->
-            if (!PreferencesUtil.emptyPasswordAllowed(this@PasswordActivity)) {
-                confirmButtonView?.isEnabled = isChecked
+        enableButtonOnCheckedChangeListener = CompoundButton.OnCheckedChangeListener { _, _ ->
+            enableOrNotTheConfirmationButton()
+        }
+
+        progressDialogThread = ProgressDialogThread(this) { actionTask, result ->
+            when (actionTask) {
+                ACTION_DATABASE_LOAD_TASK -> {
+                    // Recheck fingerprint if error
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                        if (PreferencesUtil.isBiometricUnlockEnable(this@PasswordActivity)) {
+                            // Stay with the same mode and init it
+                            advancedUnlockedManager?.initBiometricMode()
                         }
                     }
+
+                    var databaseUri: Uri? = null
+                    var masterPassword: String? = null
+                    var keyFileUri: Uri? = null
+                    var readOnly = true
+                    var cipherEntity: CipherDatabaseEntity? = null
+
+                    result.data?.let { resultData ->
+                        databaseUri = resultData.getParcelable(DATABASE_URI_KEY)
+                        masterPassword = resultData.getString(MASTER_PASSWORD_KEY)
+                        keyFileUri = resultData.getParcelable(KEY_FILE_KEY)
+                        readOnly = resultData.getBoolean(READ_ONLY_KEY)
+                        cipherEntity = resultData.getParcelable(CIPHER_ENTITY_KEY)
+                    }
+
+                    databaseUri?.let { databaseFileUri ->
+                        // Remove the password in view in all cases
+                        removePassword()
+
+                        if (result.isSuccess) {
+                            launchGroupActivity()
+                        } else {
+                            var resultError = ""
+                            val resultException = result.exception
+                            val resultMessage = result.message
+
+                            if (resultException != null) {
+                                resultError = resultException.getLocalizedMessage(resources)
+                                if (resultException is LoadDatabaseDuplicateUuidException)
+                                    showLoadDatabaseDuplicateUuidMessage {
+                                        showProgressDialogAndLoadDatabase(
+                                                databaseFileUri,
+                                                masterPassword,
+                                                keyFileUri,
+                                                readOnly,
+                                                cipherEntity,
+                                                true)
+                                    }
+                            }
+
+                            if (resultMessage != null && resultMessage.isNotEmpty()) {
+                                resultError = "$resultError $resultMessage"
+                            }
+
+                            Log.e(TAG, resultError, resultException)
+
+                            Snackbar.make(activity_password_coordinator_layout,
+                                    resultError,
+                                    Snackbar.LENGTH_LONG).asError().show()
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    private fun launchGroupActivity() {
+        EntrySelectionHelper.doEntrySelectionAction(intent,
+                {
+                    GroupActivity.launch(this@PasswordActivity, readOnly)
+                },
+                {
+                    GroupActivity.launchForKeyboardSelection(this@PasswordActivity, readOnly)
+                    // Do not keep history
+                    finish()
+                },
+                { assistStructure ->
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                        GroupActivity.launchForAutofillResult(this@PasswordActivity, assistStructure, readOnly)
+                    }
+                })
     }
 
     private val onEditorActionListener = object : TextView.OnEditorActionListener {
@@ -166,6 +258,9 @@ class PasswordActivity : StylishActivity(),
     }
 
     override fun onResume() {
+        if (Database.getInstance().loaded)
+            launchGroupActivity()
+
         // If the database isn't accessible make sure to clear the password field, if it
         // was saved in the instance state
         if (Database.getInstance().loaded) {
@@ -175,17 +270,9 @@ class PasswordActivity : StylishActivity(),
         // For check shutdown
         super.onResume()
 
-        // Enable or not the open button
-        if (!PreferencesUtil.emptyPasswordAllowed(this@PasswordActivity)) {
-            checkboxPasswordView?.let {
-                confirmButtonView?.isEnabled = it.isChecked
-            }
-        } else {
-            confirmButtonView?.isEnabled = true
-        }
+        progressDialogThread?.registerProgressTask()
 
-        UriIntentInitTask(WeakReference(this), this, mRememberKeyFile)
-                .execute(intent)
+        initUriFromIntent()
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
@@ -193,26 +280,45 @@ class PasswordActivity : StylishActivity(),
         super.onSaveInstanceState(outState)
     }
 
-    override fun onPostInitTask(databaseFileUri: Uri?, keyFileUri: Uri?, errorStringId: Int?) {
-        mDatabaseFileUri = databaseFileUri
+    private fun initUriFromIntent() {
 
-        if (errorStringId != null) {
-            Toast.makeText(this@PasswordActivity, errorStringId, Toast.LENGTH_LONG).show()
-            finish()
-            return
+        val databaseUri: Uri?
+        val keyFileUri: Uri?
+
+        // If is a view intent
+        val action = intent.action
+        if (action != null
+                && action == VIEW_INTENT) {
+            databaseUri = intent.data
+            keyFileUri = UriUtil.getUriFromIntent(intent, KEY_KEYFILE)
+        } else {
+            databaseUri = intent.getParcelableExtra(KEY_FILENAME)
+            keyFileUri = intent.getParcelableExtra(KEY_KEYFILE)
         }
 
-        // Verify permission to read file
-        if (databaseFileUri != null && !databaseFileUri.scheme!!.contains("content"))
-            doNothingWithPermissionCheck()
+        // Post init uri with KeyFile if needed
+        if (mRememberKeyFile && (keyFileUri == null || keyFileUri.toString().isEmpty())) {
+            // Retrieve KeyFile in a thread
+            databaseUri?.let { databaseUriNotNull ->
+                FileDatabaseHistoryAction.getInstance(applicationContext)
+                        .getKeyFileUriByDatabaseUri(databaseUriNotNull)  {
+                            onPostInitUri(databaseUri, it)
+                        }
+            }
+        } else {
+            onPostInitUri(databaseUri, keyFileUri)
+        }
+    }
+
+    private fun onPostInitUri(databaseFileUri: Uri?, keyFileUri: Uri?) {
+        mDatabaseFileUri = databaseFileUri
+        mDatabaseKeyFileUri = keyFileUri
 
         // Define title
-        val dbUriString = databaseFileUri?.toString() ?: ""
-        if (dbUriString.isNotEmpty()) {
-            if (PreferencesUtil.isFullFilePathEnable(this))
-                filenameView?.text = dbUriString
-            else
-                filenameView?.text = File(databaseFileUri!!.path!!).name // TODO Encapsulate
+        databaseFileUri?.let {
+            FileDatabaseInfo(this, it).retrieveDatabaseTitle { title ->
+                filenameView?.text = title
+            }
         }
 
         // Define Key File text
@@ -223,13 +329,17 @@ class PasswordActivity : StylishActivity(),
 
         // Define listeners for default database checkbox and validate button
         checkboxDefaultDatabaseView?.setOnCheckedChangeListener { _, isChecked ->
-            var newDefaultFileName = ""
+            var newDefaultFileName: Uri? = null
             if (isChecked) {
-                newDefaultFileName = databaseFileUri?.toString() ?: newDefaultFileName
+                newDefaultFileName = databaseFileUri ?: newDefaultFileName
             }
 
-            prefs?.edit()?.apply() {
-                putString(KEY_DEFAULT_FILENAME, newDefaultFileName)
+            prefs?.edit()?.apply {
+                newDefaultFileName?.let {
+                    putString(KEY_DEFAULT_DATABASE_PATH, newDefaultFileName.toString())
+                } ?: kotlin.run {
+                    remove(KEY_DEFAULT_DATABASE_PATH)
+                }
                 apply()
             }
 
@@ -239,10 +349,10 @@ class PasswordActivity : StylishActivity(),
         confirmButtonView?.setOnClickListener { verifyCheckboxesAndLoadDatabase() }
 
         // Retrieve settings for default database
-        val defaultFilename = prefs?.getString(KEY_DEFAULT_FILENAME, "")
+        val defaultFilename = prefs?.getString(KEY_DEFAULT_DATABASE_PATH, "")
         if (databaseFileUri != null
                 && databaseFileUri.path != null && databaseFileUri.path!!.isNotEmpty()
-                && databaseFileUri == UriUtil.parseUriFile(defaultFilename)) {
+                && databaseFileUri == UriUtil.parse(defaultFilename)) {
             checkboxDefaultDatabaseView?.isChecked = true
         }
 
@@ -259,35 +369,62 @@ class PasswordActivity : StylishActivity(),
             // Init FingerPrint elements
             var fingerPrintInit = false
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-                if (PreferencesUtil.isFingerprintEnable(this)) {
-                    if (fingerPrintViewsManager == null) {
-                        fingerPrintViewsManager = FingerPrintViewsManager(this,
+                if (PreferencesUtil.isBiometricUnlockEnable(this)) {
+
+                    advancedUnlockInfoView?.setOnClickListener {
+                        FingerPrintExplanationDialog().show(supportFragmentManager, "fingerPrintExplanationDialog")
+                    }
+
+                    if (advancedUnlockedManager == null && databaseFileUri != null) {
+                        advancedUnlockedManager = AdvancedUnlockedManager(this,
                                 databaseFileUri,
-                                fingerPrintInfoView,
+                                advancedUnlockInfoView,
                                 checkboxPasswordView,
                                 enableButtonOnCheckedChangeListener,
-                                passwordView) { passwordRetrieve ->
-                                    // Load the database if password is registered or retrieve
-                                    passwordRetrieve?.let {
+                                passwordView,
+                                { passwordEncrypted, ivSpec ->
+                                    // Load the database if password is registered with biometric
+                                    if (passwordEncrypted != null && ivSpec != null) {
+                                        verifyCheckboxesAndLoadDatabase(
+                                                CipherDatabaseEntity(
+                                                    databaseFileUri.toString(),
+                                                    passwordEncrypted,
+                                                    ivSpec)
+                                        )
+                                    }
+                                },
+                                { passwordDecrypted ->
+                                    // Load the database if password is retrieve from biometric
+                                    passwordDecrypted?.let {
                                         // Retrieve from fingerprint
                                         verifyKeyFileCheckboxAndLoadDatabase(it)
-                                    } ?: run {
-                                        // Register with fingerprint
-                                        verifyCheckboxesAndLoadDatabase()
                                     }
+                                })
                     }
-                    }
-                    fingerPrintViewsManager?.initFingerprint()
-                    // checks if fingerprint is available, will also start listening for fingerprints when available
-                    fingerPrintViewsManager?.checkFingerprintAvailability()
+                    advancedUnlockedManager?.initBiometric()
                     fingerPrintInit = true
                 } else {
-                    fingerPrintViewsManager?.destroy()
+                    advancedUnlockedManager?.destroy()
                 }
             }
             if (!fingerPrintInit) {
                 checkboxPasswordView?.setOnCheckedChangeListener(enableButtonOnCheckedChangeListener)
             }
+            checkboxKeyFileView?.setOnCheckedChangeListener(enableButtonOnCheckedChangeListener)
+        }
+
+        enableOrNotTheConfirmationButton()
+    }
+
+    private fun enableOrNotTheConfirmationButton() {
+        // Enable or not the open button if setting is checked
+        if (!PreferencesUtil.emptyPasswordAllowed(this@PasswordActivity)) {
+            checkboxPasswordView?.let {
+                confirmButtonView?.isEnabled = (checkboxPasswordView?.isChecked == true
+                        || checkboxKeyFileView?.isChecked == true)
+            }
+        } else {
+            confirmButtonView?.isEnabled = true
         }
     }
 
@@ -325,29 +462,43 @@ class PasswordActivity : StylishActivity(),
 
     override fun onPause() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-            fingerPrintViewsManager?.stopListening()
+            advancedUnlockedManager?.pause()
         }
+
+        progressDialogThread?.unregisterProgressTask()
+
         super.onPause()
     }
 
     override fun onDestroy() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-            fingerPrintViewsManager?.destroy()
+            advancedUnlockedManager?.destroy()
         }
         super.onDestroy()
     }
 
-    private fun verifyCheckboxesAndLoadDatabase(password: String? = passwordView?.text?.toString(),
-                                                keyFile: Uri? = UriUtil.parseUriFile(keyFileView?.text?.toString())) {
-        val keyPassword = if (checkboxPasswordView?.isChecked != true) null else password
-        val keyFileUri = if (checkboxKeyFileView?.isChecked != true) null else keyFile
-        loadDatabase(keyPassword, keyFileUri)
+    private fun verifyCheckboxesAndLoadDatabase(cipherDatabaseEntity: CipherDatabaseEntity? = null) {
+        val password: String? = passwordView?.text?.toString()
+        val keyFile: Uri? = UriUtil.parse(keyFileView?.text?.toString())
+        verifyCheckboxesAndLoadDatabase(password, keyFile, cipherDatabaseEntity)
     }
 
-    private fun verifyKeyFileCheckboxAndLoadDatabase(password: String? = passwordView?.text?.toString(),
-                                                keyFile: Uri? = UriUtil.parseUriFile(keyFileView?.text?.toString())) {
-        val keyFileUri = if (checkboxKeyFileView?.isChecked != true) null else keyFile
-        loadDatabase(password, keyFileUri)
+    private fun verifyCheckboxesAndLoadDatabase(password: String?,
+                                                keyFile: Uri?,
+                                                cipherDatabaseEntity: CipherDatabaseEntity? = null) {
+        val keyPassword = if (checkboxPasswordView?.isChecked != true) null else password
+        verifyKeyFileCheckbox(keyFile)
+        loadDatabase(mDatabaseFileUri, keyPassword, mDatabaseKeyFileUri, cipherDatabaseEntity)
+    }
+
+    private fun verifyKeyFileCheckboxAndLoadDatabase(password: String?) {
+        val keyFile: Uri? = UriUtil.parse(keyFileView?.text?.toString())
+        verifyKeyFileCheckbox(keyFile)
+        loadDatabase(mDatabaseFileUri, password, mDatabaseKeyFileUri)
+    }
+
+    private fun verifyKeyFileCheckbox(keyFile: Uri?) {
+        mDatabaseKeyFileUri = if (checkboxKeyFileView?.isChecked != true) null else keyFile
     }
 
     private fun removePassword() {
@@ -355,89 +506,51 @@ class PasswordActivity : StylishActivity(),
         checkboxPasswordView?.isChecked = false
     }
 
-    private fun loadDatabase(password: String?, keyFile: Uri?) {
+    private fun loadDatabase(databaseFileUri: Uri?,
+                             password: String?,
+                             keyFileUri: Uri?,
+                             cipherDatabaseEntity: CipherDatabaseEntity? = null) {
 
         if (PreferencesUtil.deletePasswordAfterConnexionAttempt(this)) {
             removePassword()
         }
 
-        // Clear before we load
-        val database = Database.getInstance()
-        database.closeAndClear(applicationContext.filesDir)
-
-        mDatabaseFileUri?.let { databaseUri ->
+        databaseFileUri?.let { databaseUri ->
             // Show the progress dialog and load the database
-            ProgressDialogThread(this,
-                    { progressTaskUpdater ->
-                        LoadDatabaseRunnable(
-                                WeakReference(this@PasswordActivity),
-                                database,
+            showProgressDialogAndLoadDatabase(
+                    databaseUri,
+                    password,
+                    keyFileUri,
+                    readOnly,
+                    cipherDatabaseEntity,
+                    false)
+        }
+    }
+
+    private fun showProgressDialogAndLoadDatabase(databaseUri: Uri,
+                                                  password: String?,
+                                                  keyFile: Uri?,
+                                                  readOnly: Boolean,
+                                                  cipherDatabaseEntity: CipherDatabaseEntity?,
+                                                  fixDuplicateUUID: Boolean) {
+        progressDialogThread?.startDatabaseLoad(
                 databaseUri,
                 password,
                 keyFile,
-                                progressTaskUpdater,
-                                AfterLoadingDatabase(database, password))
-                    },
-                    R.string.loading_database).start()
-        }
+                readOnly,
+                cipherDatabaseEntity,
+                fixDuplicateUUID
+        )
     }
 
-    /**
-     * Called after verify and try to opening the database
-     */
-    private inner class AfterLoadingDatabase internal constructor(var database: Database,
-                                                                  val password: String?)
-        : ActionRunnable() {
-
-        override fun onFinishRun(result: Result) {
-            runOnUiThread {
-                // Recheck fingerprint if error
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-                    if (PreferencesUtil.isFingerprintEnable(this@PasswordActivity)) {
-                        // Stay with the same mode
-                        fingerPrintViewsManager?.reInitWithFingerprintMode()
-                    }
+    private fun showLoadDatabaseDuplicateUuidMessage(loadDatabaseWithFix: (() -> Unit)? = null) {
+        DuplicateUuidDialog().apply {
+            positiveAction = loadDatabaseWithFix
+        }.show(supportFragmentManager, "duplicateUUIDDialog")
     }
 
-                if (result.isSuccess) {
-                    // Remove the password in view in all cases
-                    removePassword()
-
-                    if (database.validatePasswordEncoding(password)) {
-                        launchGroupActivity()
-                    } else {
-                        PasswordEncodingDialogFragment().apply {
-                            positiveButtonClickListener = DialogInterface.OnClickListener { _, _ ->
-                                launchGroupActivity()
-                            }
-                            show(supportFragmentManager, "passwordEncodingTag")
-                        }
-                    }
-                } else {
-                    if (result.message != null && result.message!!.isNotEmpty()) {
-                        Toast.makeText(this@PasswordActivity, result.message, Toast.LENGTH_LONG).show()
-                    }
-                }
-            }
-        }
-    }
-
-    private fun launchGroupActivity() {
-        EntrySelectionHelper.doEntrySelectionAction(intent,
-                {
-                    GroupActivity.launch(this@PasswordActivity, readOnly)
-                },
-                {
-                    GroupActivity.launchForKeyboardSelection(this@PasswordActivity, readOnly)
-                    // Do not keep history
-                    finish()
-                },
-                { assistStructure ->
-                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-                        GroupActivity.launchForAutofillResult(this@PasswordActivity, assistStructure, readOnly)
-                    }
-                })
-    }
+    // To fix multiple view education
+    private var performedEductionInProgress = false
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         val inflater = menuInflater
@@ -449,45 +562,58 @@ class PasswordActivity : StylishActivity(),
 
         if ( Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
             // Fingerprint menu
-            fingerPrintViewsManager?.inflateOptionsMenu(inflater, menu)
+            advancedUnlockedManager?.inflateOptionsMenu(inflater, menu)
         }
 
         super.onCreateOptionsMenu(menu)
 
+        if (!performedEductionInProgress) {
+            performedEductionInProgress = true
             // Show education views
             Handler().post { performedNextEducation(PasswordActivityEducation(this), menu) }
+        }
 
         return true
     }
 
     private fun performedNextEducation(passwordActivityEducation: PasswordActivityEducation,
                                        menu: Menu) {
-        if (toolbar != null
-                && passwordActivityEducation.checkAndPerformedFingerprintUnlockEducation(
-                        toolbar!!,
+        val educationContainerView = containerView
+        val unlockEducationPerformed = educationContainerView != null
+                && passwordActivityEducation.checkAndPerformedUnlockEducation(
+                educationContainerView,
                         {
                             performedNextEducation(passwordActivityEducation, menu)
                         },
                         {
                             performedNextEducation(passwordActivityEducation, menu)
-                        }))
-        else if (toolbar != null
-                && toolbar!!.findViewById<View>(R.id.menu_open_file_read_mode_key) != null
+                        })
+        if (!unlockEducationPerformed) {
+            val educationToolbar = toolbar
+            val readOnlyEducationPerformed =
+                    educationToolbar?.findViewById<View>(R.id.menu_open_file_read_mode_key) != null
                     && passwordActivityEducation.checkAndPerformedReadOnlyEducation(
-                        toolbar!!.findViewById(R.id.menu_open_file_read_mode_key),
+                    educationToolbar.findViewById(R.id.menu_open_file_read_mode_key),
                     {
                         onOptionsItemSelected(menu.findItem(R.id.menu_open_file_read_mode_key))
                         performedNextEducation(passwordActivityEducation, menu)
                     },
                     {
                         performedNextEducation(passwordActivityEducation, menu)
-                        }))
-        else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
-                && PreferencesUtil.isFingerprintEnable(applicationContext)
-                && FingerPrintHelper.isFingerprintSupported(getSystemService(FingerprintManager::class.java))
-                && fingerPrintInfoView != null && fingerPrintInfoView?.fingerPrintImageView != null
-                && passwordActivityEducation.checkAndPerformedFingerprintEducation(fingerPrintInfoView?.fingerPrintImageView!!))
-        ;
+                    })
+
+            if (!readOnlyEducationPerformed) {
+
+                val biometricCanAuthenticate = BiometricManager.from(this).canAuthenticate()
+                // fingerprintEducationPerformed
+                Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
+                        && PreferencesUtil.isBiometricUnlockEnable(applicationContext)
+                        && (biometricCanAuthenticate == BiometricManager.BIOMETRIC_ERROR_NONE_ENROLLED || biometricCanAuthenticate == BiometricManager.BIOMETRIC_SUCCESS)
+                        && advancedUnlockInfoView != null && advancedUnlockInfoView?.unlockIconImageView != null
+                        && passwordActivityEducation.checkAndPerformedFingerprintEducation(advancedUnlockInfoView?.unlockIconImageView!!)
+
+            }
+        }
     }
 
     private fun changeOpenFileReadIcon(togglePassword: MenuItem) {
@@ -509,7 +635,7 @@ class PasswordActivity : StylishActivity(),
                 changeOpenFileReadIcon(item)
             }
             R.id.menu_fingerprint_remove_key -> if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-                fingerPrintViewsManager?.deleteEntryKey()
+                advancedUnlockedManager?.deleteEntryKey()
             }
             else -> return MenuUtil.onDefaultMenuOptionsItemSelected(this, item)
         }
@@ -517,12 +643,6 @@ class PasswordActivity : StylishActivity(),
         return super.onOptionsItemSelected(item)
     }
 
-    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
-        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
-        // NOTE: delegate the permission handling to generated method
-        onRequestPermissionsResult(requestCode, grantResults)
-    }
-
     override fun onActivityResult(
             requestCode: Int,
             resultCode: Int,
@@ -535,7 +655,7 @@ class PasswordActivity : StylishActivity(),
         }
 
         var keyFileResult = false
-        mKeyFileHelper?.let {
+        mOpenFileHelper?.let {
             keyFileResult = it.onActivityResultCallback(requestCode, resultCode, data
             ) { uri ->
                 if (uri != null) {
@@ -554,64 +674,28 @@ class PasswordActivity : StylishActivity(),
         }
     }
 
-    @NeedsPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE)
-    fun doNothing() {
-    }
-
-    @OnShowRationale(Manifest.permission.WRITE_EXTERNAL_STORAGE)
-    internal fun showRationaleForExternalStorage(request: PermissionRequest) {
-        AlertDialog.Builder(this)
-                .setMessage(R.string.permission_external_storage_rationale_read_database)
-                .setPositiveButton(R.string.allow) { _, _ -> request.proceed() }
-                .setNegativeButton(R.string.cancel) { _, _ -> request.cancel() }
-                .show()
-    }
-
-    @OnPermissionDenied(Manifest.permission.WRITE_EXTERNAL_STORAGE)
-    internal fun showDeniedForExternalStorage() {
-        Toast.makeText(this, R.string.permission_external_storage_denied, Toast.LENGTH_SHORT).show()
-        finish()
-    }
-
-    @OnNeverAskAgain(Manifest.permission.WRITE_EXTERNAL_STORAGE)
-    internal fun showNeverAskForExternalStorage() {
-        Toast.makeText(this, R.string.permission_external_storage_never_ask, Toast.LENGTH_SHORT).show()
-        finish()
-    }
-
     companion object {
 
         private val TAG = PasswordActivity::class.java.name
 
-        const val KEY_DEFAULT_FILENAME = "defaultFileName"
+        const val KEY_DEFAULT_DATABASE_PATH = "KEY_DEFAULT_DATABASE_PATH"
+
+        private const val KEY_FILENAME = "fileName"
+        private const val KEY_KEYFILE = "keyFile"
+        private const val VIEW_INTENT = "android.intent.action.VIEW"
 
         private const val KEY_PASSWORD = "password"
         private const val KEY_LAUNCH_IMMEDIATELY = "launchImmediately"
 
-        private fun buildAndLaunchIntent(activity: Activity, fileName: String, keyFile: String,
+        private fun buildAndLaunchIntent(activity: Activity, databaseFile: Uri, keyFile: Uri?,
                                          intentBuildLauncher: (Intent) -> Unit) {
             val intent = Intent(activity, PasswordActivity::class.java)
-            intent.putExtra(UriIntentInitTask.KEY_FILENAME, fileName)
-            intent.putExtra(UriIntentInitTask.KEY_KEYFILE, keyFile)
+            intent.putExtra(KEY_FILENAME, databaseFile)
+            if (keyFile != null)
+                intent.putExtra(KEY_KEYFILE, keyFile)
             intentBuildLauncher.invoke(intent)
         }
 
-        @Throws(FileNotFoundException::class)
-        private fun verifyFileNameUriFromLaunch(fileName: String) {
-            if (fileName.isEmpty()) {
-                throw FileNotFoundException()
-            }
-
-            val uri = UriUtil.parseUriFile(fileName)
-            val scheme = uri?.scheme
-            if (scheme != null && scheme.isNotEmpty() && scheme.equals("file", ignoreCase = true)) {
-                val dbFile = File(uri.path!!)
-                if (!dbFile.exists()) {
-                    throw FileNotFoundException()
-                }
-            }
-        }
-
         /*
          * -------------------------
          * 		Standard Launch
@@ -621,10 +705,9 @@ class PasswordActivity : StylishActivity(),
         @Throws(FileNotFoundException::class)
         fun launch(
                 activity: Activity,
-                fileName: String,
-                keyFile: String) {
-            verifyFileNameUriFromLaunch(fileName)
-            buildAndLaunchIntent(activity, fileName, keyFile) { intent ->
+                databaseFile: Uri,
+                keyFile: Uri?) {
+            buildAndLaunchIntent(activity, databaseFile, keyFile) { intent ->
                 activity.startActivity(intent)
             }
         }
@@ -638,12 +721,10 @@ class PasswordActivity : StylishActivity(),
         @Throws(FileNotFoundException::class)
         fun launchForKeyboardResult(
                 activity: Activity,
-                fileName: String,
-                keyFile: String) {
-            verifyFileNameUriFromLaunch(fileName)
-
-            buildAndLaunchIntent(activity, fileName, keyFile) { intent ->
-                KeyboardHelper.startActivityForKeyboardSelection(activity, intent)
+                databaseFile: Uri,
+                keyFile: Uri?) {
+            buildAndLaunchIntent(activity, databaseFile, keyFile) { intent ->
+                EntrySelectionHelper.startActivityForEntrySelection(activity, intent)
             }
         }
 
@@ -657,20 +738,18 @@ class PasswordActivity : StylishActivity(),
         @Throws(FileNotFoundException::class)
         fun launchForAutofillResult(
                 activity: Activity,
-                fileName: String,
-                keyFile: String,
+                databaseFile: Uri,
+                keyFile: Uri?,
                 assistStructure: AssistStructure?) {
-            verifyFileNameUriFromLaunch(fileName)
-
             if (assistStructure != null) {
-                buildAndLaunchIntent(activity, fileName, keyFile) { intent ->
+                buildAndLaunchIntent(activity, databaseFile, keyFile) { intent ->
                     AutofillHelper.startActivityForAutofillResult(
                             activity,
                             intent,
                             assistStructure)
                 }
             } else {
-                launch(activity, fileName, keyFile)
+                launch(activity, databaseFile, keyFile)
             }
         }
     }

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

@@ -25,16 +25,16 @@ import android.content.DialogInterface
 import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
-import android.support.v4.app.DialogFragment
-import android.support.v7.app.AlertDialog
+import com.google.android.material.textfield.TextInputLayout
+import androidx.fragment.app.DialogFragment
+import androidx.appcompat.app.AlertDialog
 import android.text.Editable
 import android.text.TextWatcher
 import android.view.View
 import android.widget.CompoundButton
 import android.widget.TextView
-import android.widget.Toast
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.activities.helpers.KeyFileHelper
+import com.kunzisoft.keepass.activities.helpers.OpenFileHelper
 import com.kunzisoft.keepass.utils.UriUtil
 
 class AssignMasterKeyDialogFragment : DialogFragment() {
@@ -43,15 +43,41 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
     private var mKeyFile: Uri? = null
 
     private var rootView: View? = null
+
     private var passwordCheckBox: CompoundButton? = null
-    private var passView: TextView? = null
-    private var passConfView: TextView? = null
+
+    private var passwordTextInputLayout: TextInputLayout? = null
+    private var passwordView: TextView? = null
+    private var passwordRepeatTextInputLayout: TextInputLayout? = null
+    private var passwordRepeatView: TextView? = null
+
+    private var keyFileTextInputLayout: TextInputLayout? = null
     private var keyFileCheckBox: CompoundButton? = null
     private var keyFileView: TextView? = null
 
     private var mListener: AssignPasswordDialogListener? = null
 
-    private var mKeyFileHelper: KeyFileHelper? = null
+    private var mOpenFileHelper: OpenFileHelper? = null
+
+    private val passwordTextWatcher = object : TextWatcher {
+        override fun beforeTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {}
+
+        override fun onTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {}
+
+        override fun afterTextChanged(editable: Editable) {
+            passwordCheckBox?.isChecked = true
+        }
+    }
+
+    private val keyFileTextWatcher = object : TextWatcher {
+        override fun beforeTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {}
+
+        override fun onTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {}
+
+        override fun afterTextChanged(editable: Editable) {
+            keyFileCheckBox?.isChecked = true
+        }
+    }
 
     interface AssignPasswordDialogListener {
         fun onAssignKeyDialogPositiveClick(masterPasswordChecked: Boolean, masterPassword: String?,
@@ -60,18 +86,25 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
                                            keyFileChecked: Boolean, keyFile: Uri?)
     }
 
-    override fun onAttach(activity: Context?) {
+    override fun onAttach(activity: Context) {
         super.onAttach(activity)
         try {
-            mListener = activity as AssignPasswordDialogListener?
+            mListener = activity as AssignPasswordDialogListener
         } catch (e: ClassCastException) {
-            throw ClassCastException(activity?.toString()
+            throw ClassCastException(activity.toString()
                     + " must implement " + AssignPasswordDialogListener::class.java.name)
         }
     }
 
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
         activity?.let { activity ->
+
+            var allowNoMasterKey = false
+            arguments?.apply {
+                if (containsKey(ALLOW_NO_MASTER_KEY_ARG))
+                    allowNoMasterKey = getBoolean(ALLOW_NO_MASTER_KEY_ARG, false)
+            }
+
             val builder = AlertDialog.Builder(activity)
             val inflater = activity.layoutInflater
 
@@ -80,36 +113,21 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
                     .setTitle(R.string.assign_master_key)
                     // Add action buttons
                     .setPositiveButton(android.R.string.ok) { _, _ -> }
-                    .setNegativeButton(R.string.cancel) { _, _ -> }
+                    .setNegativeButton(android.R.string.cancel) { _, _ -> }
 
             passwordCheckBox = rootView?.findViewById(R.id.password_checkbox)
-            passView = rootView?.findViewById(R.id.pass_password)
-            passView?.addTextChangedListener(object : TextWatcher {
-                override fun beforeTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {}
-
-                override fun onTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {}
-
-                override fun afterTextChanged(editable: Editable) {
-                    passwordCheckBox?.isChecked = true
-                }
-            })
-            passConfView = rootView?.findViewById(R.id.pass_conf_password)
+            passwordTextInputLayout = rootView?.findViewById(R.id.password_input_layout)
+            passwordView = rootView?.findViewById(R.id.pass_password)
+            passwordRepeatTextInputLayout = rootView?.findViewById(R.id.password_repeat_input_layout)
+            passwordRepeatView = rootView?.findViewById(R.id.pass_conf_password)
 
+            keyFileTextInputLayout = rootView?.findViewById(R.id.keyfile_input_layout)
             keyFileCheckBox = rootView?.findViewById(R.id.keyfile_checkox)
             keyFileView = rootView?.findViewById(R.id.pass_keyfile)
-            keyFileView?.addTextChangedListener(object : TextWatcher {
-                override fun beforeTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {}
 
-                override fun onTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {}
-
-                override fun afterTextChanged(editable: Editable) {
-                    keyFileCheckBox?.isChecked = true
-                }
-            })
-
-            mKeyFileHelper = KeyFileHelper(this)
-            rootView?.findViewById<View>(R.id.browse_button)?.setOnClickListener { view ->
-                mKeyFileHelper?.openFileOnClickViewListener?.onClick(view) }
+            mOpenFileHelper = OpenFileHelper(this)
+            rootView?.findViewById<View>(R.id.open_database_button)?.setOnClickListener { view ->
+                mOpenFileHelper?.openFileOnClickViewListener?.onClick(view) }
 
             val dialog = builder.create()
 
@@ -124,7 +142,11 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
                         var error = verifyPassword() || verifyFile()
                         if (!passwordCheckBox!!.isChecked && !keyFileCheckBox!!.isChecked) {
                             error = true
+                            if (allowNoMasterKey)
                                 showNoKeyConfirmationDialog()
+                            else {
+                                passwordTextInputLayout?.error = getString(R.string.error_disallow_no_credentials)
+                            }
                         }
                         if (!error) {
                             mListener?.onAssignKeyDialogPositiveClick(
@@ -149,20 +171,35 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
         return super.onCreateDialog(savedInstanceState)
     }
 
+    override fun onResume() {
+        super.onResume()
+
+        // To check checkboxes if a text is present
+        passwordView?.addTextChangedListener(passwordTextWatcher)
+        keyFileView?.addTextChangedListener(keyFileTextWatcher)
+    }
+
+    override fun onPause() {
+        super.onPause()
+
+        passwordView?.removeTextChangedListener(passwordTextWatcher)
+        keyFileView?.removeTextChangedListener(keyFileTextWatcher)
+    }
+
     private fun verifyPassword(): Boolean {
         var error = false
         if (passwordCheckBox != null
                 && passwordCheckBox!!.isChecked
-                && passView != null
-                && passConfView != null) {
-            mMasterPassword = passView!!.text.toString()
-            val confPassword = passConfView!!.text.toString()
+                && passwordView != null
+                && passwordRepeatView != null) {
+            mMasterPassword = passwordView!!.text.toString()
+            val confPassword = passwordRepeatView!!.text.toString()
 
             // Verify that passwords match
             if (mMasterPassword != confPassword) {
                 error = true
                 // Passwords do not match
-                Toast.makeText(context, R.string.error_pass_match, Toast.LENGTH_LONG).show()
+                passwordRepeatTextInputLayout?.error = getString(R.string.error_pass_match)
             }
 
             if (mMasterPassword == null || mMasterPassword!!.isEmpty()) {
@@ -170,6 +207,7 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
                 showEmptyPasswordConfirmationDialog()
             }
         }
+
         return error
     }
 
@@ -177,13 +215,12 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
         var error = false
         if (keyFileCheckBox != null
                 && keyFileCheckBox!!.isChecked) {
-            val keyFile = UriUtil.parseUriFile(keyFileView?.text?.toString())
-            mKeyFile = keyFile
 
-            // Verify that a keyfile is set
-            if (keyFile == null || keyFile.toString().isEmpty()) {
+            UriUtil.parse(keyFileView?.text?.toString())?.let { uri ->
+                mKeyFile = uri
+            } ?: run {
                 error = true
-                Toast.makeText(context, R.string.error_nokeyfile, Toast.LENGTH_LONG).show()
+                keyFileTextInputLayout?.error = getString(R.string.error_nokeyfile)
             }
         }
         return error
@@ -201,7 +238,7 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
                             this@AssignMasterKeyDialogFragment.dismiss()
                         }
                     }
-                    .setNegativeButton(R.string.cancel) { _, _ -> }
+                    .setNegativeButton(android.R.string.cancel) { _, _ -> }
             builder.create().show()
         }
     }
@@ -216,7 +253,7 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
                                 keyFileCheckBox!!.isChecked, mKeyFile)
                         this@AssignMasterKeyDialogFragment.dismiss()
                     }
-                    .setNegativeButton(R.string.cancel) { _, _ -> }
+                    .setNegativeButton(android.R.string.cancel) { _, _ -> }
             builder.create().show()
         }
     }
@@ -224,13 +261,26 @@ class AssignMasterKeyDialogFragment : DialogFragment() {
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
 
-        mKeyFileHelper?.onActivityResultCallback(requestCode, resultCode, data
+        mOpenFileHelper?.onActivityResultCallback(requestCode, resultCode, data
         ) { uri ->
-            UriUtil.parseUriFile(uri)?.let { pathUri ->
+            uri?.let { pathUri ->
                 keyFileCheckBox?.isChecked = true
                 keyFileView?.text = pathUri.toString()
 
             }
         }
     }
+
+    companion object {
+
+        private const val ALLOW_NO_MASTER_KEY_ARG = "ALLOW_NO_MASTER_KEY_ARG"
+
+        fun getInstance(allowNoMasterKey: Boolean): AssignMasterKeyDialogFragment {
+            val fragment = AssignMasterKeyDialogFragment()
+            val args = Bundle()
+            args.putBoolean(ALLOW_NO_MASTER_KEY_ARG, allowNoMasterKey)
+            fragment.arguments = args
+            return fragment
+        }
+    }
 }

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

@@ -21,11 +21,12 @@ package com.kunzisoft.keepass.activities.dialogs
 
 import android.app.Dialog
 import android.os.Bundle
-import android.support.v4.app.DialogFragment
-import android.support.v7.app.AlertDialog
+import androidx.fragment.app.DialogFragment
+import androidx.appcompat.app.AlertDialog
 import android.widget.Button
+import android.widget.TextView
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.utils.Util
+import com.kunzisoft.keepass.utils.UriUtil
 
 class BrowserDialogFragment : DialogFragment() {
 
@@ -35,17 +36,20 @@ class BrowserDialogFragment : DialogFragment() {
             // Get the layout inflater
             val root = activity.layoutInflater.inflate(R.layout.fragment_browser_install, null)
             builder.setView(root)
-                    .setNegativeButton(R.string.cancel) { _, _ -> }
+                    .setNegativeButton(android.R.string.cancel) { _, _ -> }
 
-            val market = root.findViewById<Button>(R.id.install_market)
+            val textDescription = root.findViewById<TextView>(R.id.file_manager_install_description)
+            textDescription.text = getString(R.string.file_manager_install_description)
+
+            val market = root.findViewById<Button>(R.id.file_manager_install_play_store)
             market.setOnClickListener {
-                Util.gotoUrl(context!!, R.string.filemanager_play_store)
+                UriUtil.gotoUrl(context!!, R.string.file_manager_play_store)
                 dismiss()
             }
 
-            val web = root.findViewById<Button>(R.id.install_web)
+            val web = root.findViewById<Button>(R.id.file_manager_install_f_droid)
             web.setOnClickListener {
-                Util.gotoUrl(context!!, R.string.filemanager_f_droid)
+                UriUtil.gotoUrl(context!!, R.string.file_manager_f_droid)
                 dismiss()
             }
 

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

@@ -1,213 +0,0 @@
-/*
- * Copyright 2019 Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.activities.dialogs
-
-import android.app.Activity
-import android.app.Dialog
-import android.content.Context
-import android.content.DialogInterface
-import android.content.Intent
-import android.net.Uri
-import android.os.Bundle
-import android.os.Environment
-import android.support.v4.app.DialogFragment
-import android.support.v7.app.AlertDialog
-import android.view.ActionMode
-import android.view.Menu
-import android.view.MenuItem
-import android.view.View
-import android.view.ViewGroup
-import android.widget.AdapterView
-import android.widget.ArrayAdapter
-import android.widget.Button
-import android.widget.EditText
-import android.widget.Spinner
-import android.widget.TextView
-
-import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.activities.stylish.FilePickerStylishActivity
-import com.kunzisoft.keepass.utils.UriUtil
-import com.nononsenseapps.filepicker.FilePickerActivity
-import com.nononsenseapps.filepicker.Utils
-
-class CreateFileDialogFragment : DialogFragment(), AdapterView.OnItemSelectedListener {
-
-    private val FILE_CODE = 3853
-
-    private var folderPathView: EditText? = null
-    private var fileNameView: EditText? = null
-    private var positiveButton: Button? = null
-    private var negativeButton: Button? = null
-
-    private var mDefinePathDialogListener: DefinePathDialogListener? = null
-
-    private var mDatabaseFileExtension: String? = null
-    private var mUriPath: Uri? = null
-
-    interface DefinePathDialogListener {
-        fun onDefinePathDialogPositiveClick(pathFile: Uri?): Boolean
-        fun onDefinePathDialogNegativeClick(pathFile: Uri?): Boolean
-    }
-
-    override fun onAttach(activity: Context?) {
-        super.onAttach(activity)
-        try {
-            mDefinePathDialogListener = activity as DefinePathDialogListener?
-        } catch (e: ClassCastException) {
-            throw ClassCastException(activity?.toString()
-                    + " must implement " + DefinePathDialogListener::class.java.name)
-        }
-
-    }
-
-    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
-        activity?.let { activity ->
-            val builder = AlertDialog.Builder(activity)
-            val inflater = activity.layoutInflater
-
-            val rootView = inflater.inflate(R.layout.fragment_file_creation, null)
-            builder.setView(rootView)
-                    .setTitle(R.string.create_keepass_file)
-                    // Add action buttons
-                    .setPositiveButton(android.R.string.ok) { _, _ -> }
-                    .setNegativeButton(R.string.cancel) { _, _ -> }
-
-            // To prevent crash issue #69 https://github.com/Kunzisoft/KeePassDX/issues/69
-            val actionCopyBarCallback = object : ActionMode.Callback {
-
-                override fun onPrepareActionMode(mode: ActionMode, menu: Menu): Boolean {
-                    positiveButton?.isEnabled = false
-                    negativeButton?.isEnabled = false
-                    return true
-                }
-
-                override fun onDestroyActionMode(mode: ActionMode) {
-                    positiveButton?.isEnabled = true
-                    negativeButton?.isEnabled = true
-                }
-
-                override fun onCreateActionMode(mode: ActionMode, menu: Menu): Boolean {
-                    return true
-                }
-
-                override fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean {
-                    return true
-                }
-            }
-
-            // Folder selection
-            val browseView = rootView.findViewById<View>(R.id.browse_button)
-            folderPathView = rootView.findViewById(R.id.folder_path)
-            folderPathView?.customSelectionActionModeCallback = actionCopyBarCallback
-            fileNameView = rootView.findViewById(R.id.filename)
-            fileNameView?.customSelectionActionModeCallback = actionCopyBarCallback
-
-            val defaultPath = Environment.getExternalStorageDirectory().path + getString(R.string.database_file_path_default)
-            folderPathView?.setText(defaultPath)
-            browseView.setOnClickListener { _ ->
-                Intent(context, FilePickerStylishActivity::class.java).apply {
-                    putExtra(FilePickerActivity.EXTRA_ALLOW_MULTIPLE, false)
-                    putExtra(FilePickerActivity.EXTRA_ALLOW_CREATE_DIR, true)
-                    putExtra(FilePickerActivity.EXTRA_MODE, FilePickerActivity.MODE_DIR)
-                    putExtra(FilePickerActivity.EXTRA_START_PATH,
-                            Environment.getExternalStorageDirectory().path)
-                    startActivityForResult(this, FILE_CODE)
-                }
-            }
-
-            // Init path
-            mUriPath = null
-
-            // Extension
-            mDatabaseFileExtension = getString(R.string.database_file_extension_default)
-            val spinner = rootView.findViewById<Spinner>(R.id.file_types)
-            spinner.onItemSelectedListener = this
-
-            // Spinner Drop down elements
-            val fileTypes = resources.getStringArray(R.array.file_types)
-            val dataAdapter = ArrayAdapter(activity, android.R.layout.simple_spinner_item, fileTypes)
-            dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item)
-            spinner.adapter = dataAdapter
-            // Or text if only one item https://github.com/Kunzisoft/KeePassDX/issues/105
-            if (fileTypes.size == 1) {
-                val params = spinner.layoutParams
-                spinner.visibility = View.GONE
-                val extensionTextView = TextView(context)
-                extensionTextView.text = mDatabaseFileExtension
-                extensionTextView.layoutParams = params
-                val parentView = spinner.parent as ViewGroup
-                parentView.addView(extensionTextView)
-            }
-
-            val dialog = builder.create()
-
-            dialog.setOnShowListener { _ ->
-                positiveButton = dialog.getButton(DialogInterface.BUTTON_POSITIVE)
-                negativeButton = dialog.getButton(DialogInterface.BUTTON_NEGATIVE)
-                positiveButton?.setOnClickListener { _ ->
-                    mDefinePathDialogListener?.let {
-                        if (it.onDefinePathDialogPositiveClick(buildPath()))
-                            dismiss()
-                    }
-                }
-                negativeButton?.setOnClickListener { _->
-                    mDefinePathDialogListener?.let {
-                        if (it.onDefinePathDialogNegativeClick(buildPath())) {
-                            dismiss()
-                        }
-                    }
-                }
-            }
-            return dialog
-        }
-        return super.onCreateDialog(savedInstanceState)
-    }
-
-    private fun buildPath(): Uri? {
-        if (folderPathView != null && fileNameView != null && mDatabaseFileExtension != null) {
-            var path = Uri.Builder().path(folderPathView!!.text.toString())
-                    .appendPath(fileNameView!!.text.toString() + mDatabaseFileExtension!!)
-                    .build()
-            context?.let { context ->
-                path = UriUtil.translateUri(context, path)
-            }
-            return path
-        }
-        return null
-    }
-
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        if (requestCode == FILE_CODE && resultCode == Activity.RESULT_OK) {
-            mUriPath = data?.data
-            mUriPath?.let {
-                val file = Utils.getFileForUri(it)
-                folderPathView?.setText(file.path)
-            }
-        }
-    }
-
-    override fun onItemSelected(adapterView: AdapterView<*>, view: View, position: Int, id: Long) {
-        mDatabaseFileExtension = adapterView.getItemAtPosition(position).toString()
-    }
-
-    override fun onNothingSelected(adapterView: AdapterView<*>) {
-        // Do nothing
-    }
-}

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

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2019 Jeremy Jamet / Kunzisoft.
+ *
+ * This file is part of KeePass DX.
+ *
+ *  KeePass DX is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  KeePass DX is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.kunzisoft.keepass.activities.dialogs
+
+import android.app.Dialog
+import android.os.Bundle
+import androidx.fragment.app.DialogFragment
+import com.kunzisoft.keepass.R
+
+class DuplicateUuidDialog : DialogFragment() {
+
+    var positiveAction: (() -> Unit)? = null
+
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+        activity?.let { activity ->
+            // Use the Builder class for convenient dialog construction
+            val builder = androidx.appcompat.app.AlertDialog.Builder(activity).apply {
+                val message = getString(R.string.contains_duplicate_uuid) +
+                        "\n\n" + getString(R.string.contains_duplicate_uuid_procedure)
+                setMessage(message)
+                setPositiveButton(getString(android.R.string.ok)) { _, _ ->
+                    positiveAction?.invoke()
+                    dismiss()
+                }
+                setNegativeButton(getString(android.R.string.cancel)) { _, _ -> dismiss() }
+            }
+            // Create the AlertDialog object and return it
+            return builder.create()
+        }
+        return super.onCreateDialog(savedInstanceState)
+    }
+
+    override fun onPause() {
+        super.onPause()
+        this.dismiss()
+    }
+}

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

@@ -1,99 +0,0 @@
-/*
- * Copyright 2019 Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.activities.dialogs
-
-import android.app.Dialog
-import android.net.Uri
-import android.os.Bundle
-import android.support.v4.app.DialogFragment
-import android.support.v7.app.AlertDialog
-import android.view.View
-import android.widget.TextView
-import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.fileselect.FileDatabaseModel
-import java.text.DateFormat
-
-class FileInformationDialogFragment : DialogFragment() {
-
-    private var fileSizeContainerView: View? = null
-    private var fileModificationContainerView: View? = null
-
-    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
-        activity?.let { activity ->
-            val builder = AlertDialog.Builder(activity)
-            val inflater = activity.layoutInflater
-            val root = inflater.inflate(R.layout.fragment_file_selection_information, null)
-            val fileNameView = root.findViewById<TextView>(R.id.file_filename)
-            val filePathView = root.findViewById<TextView>(R.id.file_path)
-            fileSizeContainerView = root.findViewById(R.id.file_size_container)
-            val fileSizeView = root.findViewById<TextView>(R.id.file_size)
-            fileModificationContainerView = root.findViewById(R.id.file_modification_container)
-            val fileModificationView = root.findViewById<TextView>(R.id.file_modification)
-
-            arguments?.apply {
-                if (containsKey(FILE_SELECT_BEEN_ARG)) {
-                    (getSerializable(FILE_SELECT_BEEN_ARG) as FileDatabaseModel?)?.let { fileDatabaseModel ->
-                        fileDatabaseModel.fileUri?.let { fileUri ->
-                            filePathView.text = Uri.decode(fileUri.toString())
-                        }
-                        fileNameView.text = fileDatabaseModel.fileName
-
-                        if (fileDatabaseModel.notFound()) {
-                            hideFileInfo()
-                        } else {
-                            showFileInfo()
-                            fileSizeView.text = fileDatabaseModel.size.toString()
-                            fileModificationView.text = DateFormat.getDateTimeInstance()
-                                    .format(fileDatabaseModel.lastModification)
-                        }
-                    } ?: hideFileInfo()
-                }
-            }
-
-            builder.setView(root)
-            builder.setPositiveButton(android.R.string.ok) { _, _ -> }
-            return builder.create()
-        }
-        return super.onCreateDialog(savedInstanceState)
-    }
-
-    private fun showFileInfo() {
-        fileSizeContainerView?.visibility = View.VISIBLE
-        fileModificationContainerView?.visibility = View.VISIBLE
-    }
-
-    private fun hideFileInfo() {
-        fileSizeContainerView?.visibility = View.GONE
-        fileModificationContainerView?.visibility = View.GONE
-    }
-
-    companion object {
-
-        private const val FILE_SELECT_BEEN_ARG = "FILE_SELECT_BEEN_ARG"
-
-        fun newInstance(fileDatabaseModel: FileDatabaseModel): FileInformationDialogFragment {
-            val fileInformationDialogFragment = FileInformationDialogFragment()
-            val args = Bundle()
-            args.putSerializable(FILE_SELECT_BEEN_ARG, fileDatabaseModel)
-            fileInformationDialogFragment.arguments = args
-            return fileInformationDialogFragment
-        }
-    }
-}

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

@@ -17,17 +17,19 @@
  *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package com.kunzisoft.keepass.fingerprint
+package com.kunzisoft.keepass.activities.dialogs
 
 import android.app.Dialog
 import android.content.Intent
 import android.os.Build
 import android.os.Bundle
-import android.support.annotation.RequiresApi
-import android.support.v4.app.DialogFragment
-import android.support.v7.app.AlertDialog
+import androidx.annotation.RequiresApi
+import androidx.fragment.app.DialogFragment
+import androidx.appcompat.app.AlertDialog
 import android.view.View
 import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.biometric.FingerPrintAnimatedVector
+import com.kunzisoft.keepass.settings.SettingsAdvancedUnlockActivity
 
 @RequiresApi(api = Build.VERSION_CODES.M)
 class FingerPrintExplanationDialog : DialogFragment() {
@@ -41,11 +43,16 @@ class FingerPrintExplanationDialog : DialogFragment() {
 
             val rootView = inflater.inflate(R.layout.fragment_fingerprint_explanation, null)
 
-            val fingerprintSettingWayTextView = rootView.findViewById<View>(R.id.fingerprint_setting_way_text)
-            fingerprintSettingWayTextView.setOnClickListener { startActivity(Intent(android.provider.Settings.ACTION_SECURITY_SETTINGS)) }
+            rootView.findViewById<View>(R.id.fingerprint_setting_link_text).setOnClickListener {
+                startActivity(Intent(android.provider.Settings.ACTION_SECURITY_SETTINGS))
+            }
+
+            rootView.findViewById<View>(R.id.auto_open_biometric_prompt_button).setOnClickListener {
+                startActivity(Intent(activity, SettingsAdvancedUnlockActivity::class.java))
+            }
 
             fingerPrintAnimatedVector = FingerPrintAnimatedVector(activity,
-                    rootView.findViewById(R.id.fingerprint_image))
+                    rootView.findViewById(R.id.biometric_image))
 
             builder.setView(rootView)
                     .setPositiveButton(android.R.string.ok) { _, _ -> }

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

@@ -22,14 +22,18 @@ package com.kunzisoft.keepass.activities.dialogs
 import android.app.Dialog
 import android.content.Context
 import android.os.Bundle
-import android.support.v4.app.DialogFragment
-import android.support.v7.app.AlertDialog
+import com.google.android.material.textfield.TextInputLayout
+import androidx.fragment.app.DialogFragment
+import androidx.appcompat.app.AlertDialog
 import android.view.View
-import android.widget.*
+import android.widget.Button
+import android.widget.CompoundButton
+import android.widget.EditText
+import android.widget.SeekBar
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.password.PasswordGenerator
 import com.kunzisoft.keepass.settings.PreferencesUtil
-import com.kunzisoft.keepass.utils.applyFontVisibility
+import com.kunzisoft.keepass.view.applyFontVisibility
 
 class GeneratePasswordDialogFragment : DialogFragment() {
 
@@ -37,6 +41,7 @@ class GeneratePasswordDialogFragment : DialogFragment() {
 
     private var root: View? = null
     private var lengthTextView: EditText? = null
+    private var passwordInputLayoutView: TextInputLayout? = null
     private var passwordView: EditText? = null
 
     private var uppercaseBox: CompoundButton? = null
@@ -49,12 +54,12 @@ class GeneratePasswordDialogFragment : DialogFragment() {
     private var bracketsBox: CompoundButton? = null
     private var extendedBox: CompoundButton? = null
 
-    override fun onAttach(context: Context?) {
+    override fun onAttach(context: Context) {
         super.onAttach(context)
         try {
-            mListener = context as GeneratePasswordListener?
+            mListener = context as GeneratePasswordListener
         } catch (e: ClassCastException) {
-            throw ClassCastException(context?.toString()
+            throw ClassCastException(context.toString()
                     + " must implement " + GeneratePasswordListener::class.java.name)
         }
     }
@@ -65,6 +70,7 @@ class GeneratePasswordDialogFragment : DialogFragment() {
             val inflater = activity.layoutInflater
             root = inflater.inflate(R.layout.fragment_generate_password, null)
 
+            passwordInputLayoutView = root?.findViewById(R.id.password_input_layout)
             passwordView = root?.findViewById(R.id.password)
             passwordView?.applyFontVisibility()
 
@@ -108,7 +114,7 @@ class GeneratePasswordDialogFragment : DialogFragment() {
 
                         dismiss()
                     }
-                    .setNegativeButton(R.string.cancel) { _, _ ->
+                    .setNegativeButton(android.R.string.cancel) { _, _ ->
                         val bundle = Bundle()
                         mListener?.cancelPassword(bundle)
 
@@ -162,8 +168,7 @@ class GeneratePasswordDialogFragment : DialogFragment() {
         try {
             val length = Integer.valueOf(root?.findViewById<EditText>(R.id.length)?.text.toString())
 
-            val generator = PasswordGenerator(resources)
-            password = generator.generatePassword(length,
+            password = PasswordGenerator(resources).generatePassword(length,
                     uppercaseBox?.isChecked == true,
                     lowercaseBox?.isChecked == true,
                     digitsBox?.isChecked == true,
@@ -174,9 +179,9 @@ class GeneratePasswordDialogFragment : DialogFragment() {
                     bracketsBox?.isChecked == true,
                     extendedBox?.isChecked == true)
         } catch (e: NumberFormatException) {
-            Toast.makeText(context, R.string.error_wrong_length, Toast.LENGTH_LONG).show()
+            passwordInputLayoutView?.error = getString(R.string.error_wrong_length)
         } catch (e: IllegalArgumentException) {
-            Toast.makeText(context, e.message, Toast.LENGTH_LONG).show()
+            passwordInputLayoutView?.error = e.message
         }
 
         return password

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

@@ -23,9 +23,9 @@ import android.app.Dialog
 import android.content.Context
 import android.graphics.Color
 import android.os.Bundle
-import android.support.design.widget.TextInputLayout
-import android.support.v4.app.DialogFragment
-import android.support.v7.app.AlertDialog
+import com.google.android.material.textfield.TextInputLayout
+import androidx.fragment.app.DialogFragment
+import androidx.appcompat.app.AlertDialog
 import android.widget.Button
 import android.widget.ImageView
 import android.widget.TextView
@@ -62,15 +62,15 @@ class GroupEditDialogFragment : DialogFragment(), IconPickerDialogFragment.IconP
         }
     }
 
-    override fun onAttach(context: Context?) {
+    override fun onAttach(context: Context) {
         super.onAttach(context)
         // Verify that the host activity implements the callback interface
         try {
             // Instantiate the NoticeDialogListener so we can send events to the host
-            editGroupListener = context as EditGroupListener?
+            editGroupListener = context as EditGroupListener
         } catch (e: ClassCastException) {
             // The activity doesn't implement the interface, throw exception
-            throw ClassCastException(context?.toString()
+            throw ClassCastException(context.toString()
                     + " must implement " + GroupEditDialogFragment::class.java.name)
         }
 
@@ -122,7 +122,7 @@ class GroupEditDialogFragment : DialogFragment(), IconPickerDialogFragment.IconP
             val builder = AlertDialog.Builder(activity)
             builder.setView(root)
                     .setPositiveButton(android.R.string.ok, null)
-                    .setNegativeButton(R.string.cancel) { _, _ ->
+                    .setNegativeButton(android.R.string.cancel) { _, _ ->
                         editGroupListener?.cancelEditGroup(
                                 editGroupDialogAction,
                                 nameTextView?.text?.toString(),

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

@@ -24,9 +24,9 @@ import android.content.Context
 import android.content.res.ColorStateList
 import android.graphics.Color
 import android.os.Bundle
-import android.support.v4.app.DialogFragment
-import android.support.v4.widget.ImageViewCompat
-import android.support.v7.app.AlertDialog
+import androidx.fragment.app.DialogFragment
+import androidx.core.widget.ImageViewCompat
+import androidx.appcompat.app.AlertDialog
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -45,13 +45,13 @@ class IconPickerDialogFragment : DialogFragment() {
     private var iconPickerListener: IconPickerListener? = null
     private var iconPack: IconPack? = null
 
-    override fun onAttach(context: Context?) {
+    override fun onAttach(context: Context) {
         super.onAttach(context)
         try {
-            iconPickerListener = context as IconPickerListener?
+            iconPickerListener = context as IconPickerListener
         } catch (e: ClassCastException) {
             // The activity doesn't implement the interface, throw exception
-            throw ClassCastException(context!!.toString()
+            throw ClassCastException(context.toString()
                     + " must implement " + IconPickerListener::class.java.name)
         }
     }
@@ -77,7 +77,7 @@ class IconPickerDialogFragment : DialogFragment() {
                 dismiss()
             }
 
-            builder.setNegativeButton(R.string.cancel) { _, _ -> this@IconPickerDialogFragment.dialog.cancel() }
+            builder.setNegativeButton(android.R.string.cancel) { _, _ -> this@IconPickerDialogFragment.dialog?.cancel() }
 
             return builder.create()
         }

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

@@ -24,12 +24,12 @@ import android.content.Intent
 import android.content.Intent.FLAG_ACTIVITY_NEW_TASK
 import android.os.Bundle
 import android.provider.Settings
-import android.support.v4.app.DialogFragment
-import android.support.v7.app.AlertDialog
+import androidx.fragment.app.DialogFragment
+import androidx.appcompat.app.AlertDialog
 import android.view.View
 import com.kunzisoft.keepass.BuildConfig
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.utils.Util
+import com.kunzisoft.keepass.utils.UriUtil
 
 class KeyboardExplanationDialogFragment : DialogFragment() {
 
@@ -40,16 +40,14 @@ class KeyboardExplanationDialogFragment : DialogFragment() {
 
             val rootView = inflater.inflate(R.layout.fragment_keyboard_explanation, null)
 
-            rootView.findViewById<View>(R.id.keyboards_activate_setting_path1_text)
-                    .setOnClickListener { launchActivateKeyboardSetting() }
-            rootView.findViewById<View>(R.id.keyboards_activate_setting_path2_text)
+            rootView.findViewById<View>(R.id.keyboards_activate_device_setting_button)
                     .setOnClickListener { launchActivateKeyboardSetting() }
 
             val containerKeyboardSwitcher = rootView.findViewById<View>(R.id.container_keyboard_switcher)
             if (BuildConfig.CLOSED_STORE) {
-                containerKeyboardSwitcher.setOnClickListener { Util.gotoUrl(context!!, R.string.keyboard_switcher_play_store) }
+                containerKeyboardSwitcher.setOnClickListener { UriUtil.gotoUrl(context!!, R.string.keyboard_switcher_play_store) }
             } else {
-                containerKeyboardSwitcher.setOnClickListener { Util.gotoUrl(context!!, R.string.keyboard_switcher_f_droid) }
+                containerKeyboardSwitcher.setOnClickListener { UriUtil.gotoUrl(context!!, R.string.keyboard_switcher_f_droid) }
             }
 
             builder.setView(rootView)

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

@@ -23,7 +23,7 @@ import android.app.AlertDialog
 import android.app.Dialog
 import android.content.DialogInterface
 import android.os.Bundle
-import android.support.v4.app.DialogFragment
+import androidx.fragment.app.DialogFragment
 import com.kunzisoft.keepass.R
 
 class PasswordEncodingDialogFragment : DialogFragment() {
@@ -35,7 +35,7 @@ class PasswordEncodingDialogFragment : DialogFragment() {
             val builder = AlertDialog.Builder(activity)
             builder.setMessage(activity.getString(R.string.warning_password_encoding)).setTitle(R.string.warning)
             builder.setPositiveButton(android.R.string.ok, positiveButtonClickListener)
-            builder.setNegativeButton(R.string.cancel) { dialog, _ -> dialog.cancel() }
+            builder.setNegativeButton(android.R.string.cancel) { dialog, _ -> dialog.cancel() }
 
             return builder.create()
         }

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

@@ -20,17 +20,15 @@
 package com.kunzisoft.keepass.activities.dialogs
 
 import android.app.Dialog
-import android.content.ActivityNotFoundException
 import android.os.Bundle
-import android.support.v4.app.DialogFragment
-import android.support.v7.app.AlertDialog
-import android.text.Html
 import android.text.SpannableStringBuilder
-import android.widget.Toast
-
+import androidx.appcompat.app.AlertDialog
+import androidx.core.text.HtmlCompat
+import androidx.core.text.HtmlCompat.FROM_HTML_MODE_LEGACY
+import androidx.fragment.app.DialogFragment
 import com.kunzisoft.keepass.BuildConfig
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.utils.Util
+import com.kunzisoft.keepass.utils.UriUtil
 
 /**
  * Custom Dialog that asks the user to download the pro version or make a donation.
@@ -44,25 +42,16 @@ class ProFeatureDialogFragment : DialogFragment() {
 
             val stringBuilder = SpannableStringBuilder()
             if (BuildConfig.CLOSED_STORE) {
-                // TODO HtmlCompat with androidX
-                stringBuilder.append(Html.fromHtml(getString(R.string.html_text_ad_free))).append("\n\n")
-                stringBuilder.append(Html.fromHtml(getString(R.string.html_text_buy_pro)))
+                stringBuilder.append(HtmlCompat.fromHtml(getString(R.string.html_text_ad_free), FROM_HTML_MODE_LEGACY)).append("\n\n")
+                stringBuilder.append(HtmlCompat.fromHtml(getString(R.string.html_text_buy_pro), FROM_HTML_MODE_LEGACY))
                 builder.setPositiveButton(R.string.download) { _, _ ->
-                    try {
-                        Util.gotoUrl(context!!, R.string.app_pro_url)
-                    } catch (e: ActivityNotFoundException) {
-                        Toast.makeText(context, R.string.error_failed_to_launch_link, Toast.LENGTH_LONG).show()
-                    }
+                    UriUtil.gotoUrl(context!!, R.string.app_pro_url)
                 }
             } else {
-                stringBuilder.append(Html.fromHtml(getString(R.string.html_text_feature_generosity))).append("\n\n")
-                stringBuilder.append(Html.fromHtml(getString(R.string.html_text_donation)))
+                stringBuilder.append(HtmlCompat.fromHtml(getString(R.string.html_text_feature_generosity), FROM_HTML_MODE_LEGACY)).append("\n\n")
+                stringBuilder.append(HtmlCompat.fromHtml(getString(R.string.html_text_donation), FROM_HTML_MODE_LEGACY))
                 builder.setPositiveButton(R.string.contribute) { _, _ ->
-                    try {
-                        Util.gotoUrl(context!!, R.string.contribution_url)
-                    } catch (e: ActivityNotFoundException) {
-                        Toast.makeText(context, R.string.error_failed_to_launch_link, Toast.LENGTH_LONG).show()
-                    }
+                    UriUtil.gotoUrl(context!!, R.string.contribution_url)
                 }
             }
             builder.setMessage(stringBuilder)

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

@@ -19,33 +19,38 @@
  */
 package com.kunzisoft.keepass.activities.dialogs
 
-import android.app.AlertDialog
-import android.content.Context
+import android.app.Dialog
 import android.os.Build
 import android.os.Bundle
 import android.preference.PreferenceManager
-
+import androidx.fragment.app.DialogFragment
 import com.kunzisoft.keepass.R
 
-class ReadOnlyDialog(context: Context) : AlertDialog(context) {
+class ReadOnlyDialog : DialogFragment() {
 
-    override fun onCreate(savedInstanceState: Bundle) {
-        val ctx = context
-        var warning = ctx.getString(R.string.read_only_warning)
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+        activity?.let { activity ->
+            // Use the Builder class for convenient dialog construction
+            val builder = androidx.appcompat.app.AlertDialog.Builder(activity)
+
+            var warning = getString(R.string.read_only_warning)
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-            warning = warning + "\n\n" + context.getString(R.string.read_only_kitkat_warning)
+                warning = warning + "\n\n" + getString(R.string.read_only_kitkat_warning)
             }
-        setMessage(warning)
+            builder.setMessage(warning)
 
-        setButton(BUTTON_POSITIVE, ctx.getText(android.R.string.ok)) { _, _ -> dismiss() }
-        setButton(BUTTON_NEGATIVE, ctx.getText(R.string.beta_dontask)) { _, _ ->
-            val prefs = PreferenceManager.getDefaultSharedPreferences(ctx)
+            builder.setPositiveButton(getString(android.R.string.ok)) { _, _ -> dismiss() }
+            builder.setNegativeButton(getString(R.string.beta_dontask)) { _, _ ->
+                val prefs = PreferenceManager.getDefaultSharedPreferences(context)
                 val edit = prefs.edit()
-            edit.putBoolean(ctx.getString(R.string.show_read_only_warning), false)
+                edit.putBoolean(getString(R.string.show_read_only_warning), false)
                 edit.apply()
                 dismiss()
             }
 
-        super.onCreate(savedInstanceState)
+            // Create the AlertDialog object and return it
+            return builder.create()
+        }
+        return super.onCreateDialog(savedInstanceState)
     }
 }

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

@@ -22,9 +22,9 @@ package com.kunzisoft.keepass.activities.dialogs
 import android.app.Dialog
 import android.content.Context
 import android.os.Bundle
-import android.support.annotation.IdRes
-import android.support.v4.app.DialogFragment
-import android.support.v7.app.AlertDialog
+import androidx.annotation.IdRes
+import androidx.fragment.app.DialogFragment
+import androidx.appcompat.app.AlertDialog
 import android.view.View
 import android.widget.CompoundButton
 import android.widget.RadioGroup
@@ -35,33 +35,30 @@ class SortDialogFragment : DialogFragment() {
 
     private var mListener: SortSelectionListener? = null
 
-    private var mSortNodeEnum: SortNodeEnum? = null
+    private var mSortNodeEnum: SortNodeEnum = SortNodeEnum.DB
     @IdRes
     private var mCheckedId: Int = 0
-    private var mGroupsBefore: Boolean = false
-    private var mAscending: Boolean = false
-    private var mRecycleBinBottom: Boolean = false
+    private var mGroupsBefore: Boolean = true
+    private var mAscending: Boolean = true
+    private var mRecycleBinBottom: Boolean = true
 
-    override fun onAttach(context: Context?) {
+    private var recycleBinBottomView: CompoundButton? = null
+
+    override fun onAttach(context: Context) {
         super.onAttach(context)
         try {
-            mListener = context as SortSelectionListener?
+            mListener = context as SortSelectionListener
         } catch (e: ClassCastException) {
-            throw ClassCastException(context!!.toString()
+            throw ClassCastException(context.toString()
                     + " must implement " + SortSelectionListener::class.java.name)
         }
-
     }
 
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
         activity?.let { activity ->
             val builder = AlertDialog.Builder(activity)
 
-            mSortNodeEnum = SortNodeEnum.TITLE
-            mAscending = true
-            mGroupsBefore = true
             var recycleBinAllowed = false
-            mRecycleBinBottom = true
 
             arguments?.apply {
                 if (containsKey(SORT_NODE_ENUM_BUNDLE_KEY))
@@ -78,15 +75,15 @@ class SortDialogFragment : DialogFragment() {
                 }
             }
 
-            mCheckedId = retrieveViewFromEnum(mSortNodeEnum!!)
+            mCheckedId = retrieveViewFromEnum(mSortNodeEnum)
 
             val rootView = activity.layoutInflater.inflate(R.layout.fragment_sort_selection, null)
             builder.setTitle(R.string.sort_menu)
             builder.setView(rootView)
                     // Add action buttons
                     .setPositiveButton(android.R.string.ok
-                    ) { _, _ -> mListener?.onSortSelected(mSortNodeEnum!!, mAscending, mGroupsBefore, mRecycleBinBottom) }
-                    .setNegativeButton(R.string.cancel) { _, _ -> }
+                    ) { _, _ -> mListener?.onSortSelected(mSortNodeEnum, mAscending, mGroupsBefore, mRecycleBinBottom) }
+                    .setNegativeButton(android.R.string.cancel) { _, _ -> }
 
             val ascendingView = rootView.findViewById<CompoundButton>(R.id.sort_selection_ascending)
             // Check if is ascending or descending
@@ -98,25 +95,35 @@ class SortDialogFragment : DialogFragment() {
             groupsBeforeView.isChecked = mGroupsBefore
             groupsBeforeView.setOnCheckedChangeListener { _, isChecked -> mGroupsBefore = isChecked }
 
-            val recycleBinBottomView = rootView.findViewById<CompoundButton>(R.id.sort_selection_recycle_bin_bottom)
+            recycleBinBottomView = rootView.findViewById(R.id.sort_selection_recycle_bin_bottom)
             if (!recycleBinAllowed) {
-                recycleBinBottomView.visibility = View.GONE
+                recycleBinBottomView?.visibility = View.GONE
             } else {
                 // Check if recycle bin at the bottom
-                recycleBinBottomView.isChecked = mRecycleBinBottom
-                recycleBinBottomView.setOnCheckedChangeListener { _, isChecked -> mRecycleBinBottom = isChecked }
+                recycleBinBottomView?.isChecked = mRecycleBinBottom
+                recycleBinBottomView?.setOnCheckedChangeListener { _, isChecked -> mRecycleBinBottom = isChecked }
+
+                disableRecycleBinBottomOptionIfNaturalOrder()
             }
 
             val sortSelectionRadioGroupView = rootView.findViewById<RadioGroup>(R.id.sort_selection_radio_group)
             // Check value by default
             sortSelectionRadioGroupView.check(mCheckedId)
-            sortSelectionRadioGroupView.setOnCheckedChangeListener { _, checkedId -> mSortNodeEnum = retrieveSortEnumFromViewId(checkedId) }
+            sortSelectionRadioGroupView.setOnCheckedChangeListener { _, checkedId ->
+                mSortNodeEnum = retrieveSortEnumFromViewId(checkedId)
+                disableRecycleBinBottomOptionIfNaturalOrder()
+            }
 
             return builder.create()
         }
         return super.onCreateDialog(savedInstanceState)
     }
 
+    private fun disableRecycleBinBottomOptionIfNaturalOrder() {
+        // Disable recycle bin if natural order
+        recycleBinBottomView?.isEnabled = mSortNodeEnum != SortNodeEnum.DB
+    }
+
     @IdRes
     private fun retrieveViewFromEnum(sortNodeEnum: SortNodeEnum): Int {
         return when (sortNodeEnum) {

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

@@ -22,12 +22,13 @@ package com.kunzisoft.keepass.activities.dialogs
 import android.app.Dialog
 import android.os.Build
 import android.os.Bundle
-import android.support.v4.app.DialogFragment
-import android.support.v7.app.AlertDialog
+import androidx.fragment.app.DialogFragment
+import androidx.appcompat.app.AlertDialog
 import android.text.Html
 import android.text.SpannableStringBuilder
 import android.text.method.LinkMovementMethod
 import android.widget.TextView
+import androidx.core.text.HtmlCompat
 import com.kunzisoft.keepass.R
 
 class UnavailableFeatureDialogFragment : DialogFragment() {
@@ -53,7 +54,7 @@ class UnavailableFeatureDialogFragment : DialogFragment() {
                         androidNameFromApiNumber(Build.VERSION.SDK_INT, Build.VERSION.RELEASE),
                         androidNameFromApiNumber(minVersionRequired)))
                 message.append("\n\n")
-                        .append(Html.fromHtml("<a href=\"https://source.android.com/setup/build-numbers\">CodeNames</a>"))
+                        .append(HtmlCompat.fromHtml("<a href=\"https://source.android.com/setup/build-numbers\">CodeNames</a>", HtmlCompat.FROM_HTML_MODE_LEGACY))
             } else
                 message.append(getString(R.string.unavailable_feature_hardware))
 

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

@@ -20,17 +20,14 @@
 package com.kunzisoft.keepass.activities.dialogs
 
 import android.app.Dialog
-import android.content.ActivityNotFoundException
 import android.os.Bundle
-import android.support.v4.app.DialogFragment
-import android.support.v7.app.AlertDialog
-import android.text.Html
 import android.text.SpannableStringBuilder
-import android.widget.Toast
-
+import androidx.appcompat.app.AlertDialog
+import androidx.core.text.HtmlCompat
+import androidx.fragment.app.DialogFragment
 import com.kunzisoft.keepass.BuildConfig
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.utils.Util
+import com.kunzisoft.keepass.utils.UriUtil
 
 /**
  * Custom Dialog that asks the user to download the pro version or make a donation.
@@ -45,34 +42,26 @@ class UnderDevelopmentFeatureDialogFragment : DialogFragment() {
             val stringBuilder = SpannableStringBuilder()
             if (BuildConfig.CLOSED_STORE) {
                 if (BuildConfig.FULL_VERSION) {
-                    stringBuilder.append(Html.fromHtml(getString(R.string.html_text_dev_feature_thanks))).append("\n\n")
-                            .append(Html.fromHtml(getString(R.string.html_rose))).append("\n\n")
-                            .append(Html.fromHtml(getString(R.string.html_text_dev_feature_work_hard))).append("\n")
-                            .append(Html.fromHtml(getString(R.string.html_text_dev_feature_upgrade))).append(" ")
+                    stringBuilder.append(HtmlCompat.fromHtml(getString(R.string.html_text_dev_feature_thanks), HtmlCompat.FROM_HTML_MODE_LEGACY)).append("\n\n")
+                            .append(HtmlCompat.fromHtml(getString(R.string.html_rose), HtmlCompat.FROM_HTML_MODE_LEGACY)).append("\n\n")
+                            .append(HtmlCompat.fromHtml(getString(R.string.html_text_dev_feature_work_hard), HtmlCompat.FROM_HTML_MODE_LEGACY)).append("\n")
+                            .append(HtmlCompat.fromHtml(getString(R.string.html_text_dev_feature_upgrade), HtmlCompat.FROM_HTML_MODE_LEGACY)).append(" ")
                     builder.setPositiveButton(android.R.string.ok) { _, _ -> dismiss() }
                 } else {
-                    stringBuilder.append(Html.fromHtml(getString(R.string.html_text_dev_feature))).append("\n\n")
-                            .append(Html.fromHtml(getString(R.string.html_text_dev_feature_buy_pro))).append("\n")
-                            .append(Html.fromHtml(getString(R.string.html_text_dev_feature_encourage)))
+                    stringBuilder.append(HtmlCompat.fromHtml(getString(R.string.html_text_dev_feature), HtmlCompat.FROM_HTML_MODE_LEGACY)).append("\n\n")
+                            .append(HtmlCompat.fromHtml(getString(R.string.html_text_dev_feature_buy_pro), HtmlCompat.FROM_HTML_MODE_LEGACY)).append("\n")
+                            .append(HtmlCompat.fromHtml(getString(R.string.html_text_dev_feature_encourage), HtmlCompat.FROM_HTML_MODE_LEGACY))
                     builder.setPositiveButton(R.string.download) { _, _ ->
-                        try {
-                            Util.gotoUrl(context!!, R.string.app_pro_url)
-                        } catch (e: ActivityNotFoundException) {
-                            Toast.makeText(context, R.string.error_failed_to_launch_link, Toast.LENGTH_LONG).show()
-                        }
+                        UriUtil.gotoUrl(context!!, R.string.app_pro_url)
                     }
                     builder.setNegativeButton(android.R.string.cancel) { _, _ -> dismiss() }
                 }
             } else {
-                stringBuilder.append(Html.fromHtml(getString(R.string.html_text_dev_feature))).append("\n\n")
-                        .append(Html.fromHtml(getString(R.string.html_text_dev_feature_contibute))).append(" ")
-                        .append(Html.fromHtml(getString(R.string.html_text_dev_feature_encourage)))
+                stringBuilder.append(HtmlCompat.fromHtml(getString(R.string.html_text_dev_feature), HtmlCompat.FROM_HTML_MODE_LEGACY)).append("\n\n")
+                        .append(HtmlCompat.fromHtml(getString(R.string.html_text_dev_feature_contibute), HtmlCompat.FROM_HTML_MODE_LEGACY)).append(" ")
+                        .append(HtmlCompat.fromHtml(getString(R.string.html_text_dev_feature_encourage), HtmlCompat.FROM_HTML_MODE_LEGACY))
                 builder.setPositiveButton(R.string.contribute) { _, _ ->
-                    try {
-                        Util.gotoUrl(context!!, R.string.contribution_url)
-                    } catch (e: ActivityNotFoundException) {
-                        Toast.makeText(context, R.string.error_failed_to_launch_link, Toast.LENGTH_LONG).show()
-                    }
+                    UriUtil.gotoUrl(context!!, R.string.contribution_url)
                 }
                 builder.setNegativeButton(android.R.string.cancel) { _, _ -> dismiss() }
             }

app/src/main/java/com/kunzisoft/keepass/activities/helpers/ClipDataCompat.java

@@ -1,84 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.activities.helpers;
-
-import android.content.Intent;
-import android.net.Uri;
-
-import java.lang.reflect.Method;
-
-public class ClipDataCompat {
-    private static Method getClipDataFromIntent;
-    private static Method getDescription;
-    private static Method getItemCount;
-    private static Method getLabel;
-    private static Method getItemAt;
-    private static Method getUri;
-
-    private static boolean initSucceded;
-
-    static {
-        try {
-            Class clipData = Class.forName("android.content.ClipData");
-            getDescription = clipData.getMethod("getDescription", (Class[])null);
-            getItemCount = clipData.getMethod("getItemCount", (Class[])null);
-            getItemAt = clipData.getMethod("getItemAt", new Class[]{int.class});
-            Class clipDescription = Class.forName("android.content.ClipDescription");
-            getLabel = clipDescription.getMethod("getLabel", (Class[])null);
-
-            Class clipDataItem = Class.forName("android.content.ClipData$Item");
-            getUri = clipDataItem.getMethod("getUri", (Class[])null);
-
-            getClipDataFromIntent = Intent.class.getMethod("getClipData", (Class[])null);
-
-            initSucceded = true;
-        } catch (Exception e) {
-            initSucceded = false;
-        }
-    }
-
-    public static Uri getUriFromIntent(Intent i, String key) {
-        if (initSucceded) {
-            try {
-                Object clip = getClipDataFromIntent.invoke(i);
-
-                if (clip != null) {
-                    Object clipDescription = getDescription.invoke(clip);
-                    CharSequence label = (CharSequence)getLabel.invoke(clipDescription);
-                    if (label.equals(key)) {
-                        int itemCount = (int) getItemCount.invoke(clip);
-                        if (itemCount == 1) {
-                            Object clipItem = getItemAt.invoke(clip,0);
-                            if (clipItem != null) {
-                                return (Uri)getUri.invoke(clipItem);
-                            }
-                        }
-                    }
-                }
-                return null;
-
-            } catch (Exception e) {
-                // Fall through below to backup method if reflection fails
-            }
-        }
-
-        return i.getParcelableExtra(key);
-    }
-}

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

@@ -1,6 +1,7 @@
 package com.kunzisoft.keepass.activities.helpers
 
 import android.app.assist.AssistStructure
+import android.content.Context
 import android.content.Intent
 import android.os.Build
 import com.kunzisoft.keepass.autofill.AutofillHelper
@@ -10,6 +11,12 @@ object EntrySelectionHelper {
     private const val EXTRA_ENTRY_SELECTION_MODE = "com.kunzisoft.keepass.extra.ENTRY_SELECTION_MODE"
     private const val DEFAULT_ENTRY_SELECTION_MODE = false
 
+    fun startActivityForEntrySelection(context: Context, intent: Intent) {
+        addEntrySelectionModeExtraInIntent(intent)
+        // only to avoid visible flickering when redirecting
+        context.startActivity(intent)
+    }
+
     fun addEntrySelectionModeExtraInIntent(intent: Intent) {
         intent.putExtra(EXTRA_ENTRY_SELECTION_MODE, true)
     }

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

@@ -19,6 +19,7 @@
  */
 package com.kunzisoft.keepass.activities.helpers
 
+import android.annotation.SuppressLint
 import android.app.Activity
 import android.app.Activity.RESULT_OK
 import android.content.Context
@@ -26,21 +27,20 @@ import android.content.Intent
 import android.content.pm.PackageManager
 import android.net.Uri
 import android.os.Build
-import android.support.v4.app.Fragment
-import android.support.v4.app.FragmentActivity
 import android.util.Log
 import android.view.View
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentActivity
 import com.kunzisoft.keepass.activities.dialogs.BrowserDialogFragment
-import com.kunzisoft.keepass.fileselect.StorageAF
 import com.kunzisoft.keepass.utils.UriUtil
 
-class KeyFileHelper {
+class OpenFileHelper {
 
     private var activity: Activity? = null
     private var fragment: Fragment? = null
 
     val openFileOnClickViewListener: OpenFileOnClickViewListener
-        get() = OpenFileOnClickViewListener(null)
+        get() = OpenFileOnClickViewListener()
 
     constructor(context: Activity) {
         this.activity = context
@@ -52,69 +52,55 @@ class KeyFileHelper {
         this.fragment = context
     }
 
-    inner class OpenFileOnClickViewListener(private val dataUri: (() -> Uri)?) : View.OnClickListener {
+    inner class OpenFileOnClickViewListener : View.OnClickListener {
 
         override fun onClick(v: View) {
             try {
-                if (activity != null && StorageAF.useStorageFramework(activity!!)) {
+                try {
                     openActivityWithActionOpenDocument()
-                } else {
+                } catch(e: Exception) {
                     openActivityWithActionGetContent()
                 }
             } catch (e: Exception) {
                 Log.e(TAG, "Enable to start the file picker activity", e)
-
-                // Open File picker if can't open activity
-                if (lookForOpenIntentsFilePicker(dataUri?.invoke()))
+                // Open browser dialog
+                if (lookForOpenIntentsFilePicker())
                     showBrowserDialog()
             }
         }
     }
 
+    @SuppressLint("InlinedApi")
     private fun openActivityWithActionOpenDocument() {
-        val i = Intent(StorageAF.ACTION_OPEN_DOCUMENT)
-        i.addCategory(Intent.CATEGORY_OPENABLE)
-        i.type = "*/*"
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-            i.flags = Intent.FLAG_GRANT_READ_URI_PERMISSION or
+        val intentOpenDocument = Intent(APP_ACTION_OPEN_DOCUMENT).apply {
+            addCategory(Intent.CATEGORY_OPENABLE)
+            type = "*/*"
+            flags = Intent.FLAG_GRANT_READ_URI_PERMISSION or
                     Intent.FLAG_GRANT_WRITE_URI_PERMISSION or
                     Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION
-        } else {
-            i.flags = Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
         }
         if (fragment != null)
-            fragment?.startActivityForResult(i, OPEN_DOC)
+            fragment?.startActivityForResult(intentOpenDocument, OPEN_DOC)
         else
-            activity?.startActivityForResult(i, OPEN_DOC)
+            activity?.startActivityForResult(intentOpenDocument, OPEN_DOC)
     }
 
     private fun openActivityWithActionGetContent() {
-        val i = Intent(Intent.ACTION_GET_CONTENT)
-        i.addCategory(Intent.CATEGORY_OPENABLE)
-        i.type = "*/*"
+        val intentGetContent = Intent(Intent.ACTION_GET_CONTENT).apply {
+            addCategory(Intent.CATEGORY_OPENABLE)
+            type = "*/*"
+        }
         if (fragment != null)
-            fragment?.startActivityForResult(i, GET_CONTENT)
+            fragment?.startActivityForResult(intentGetContent, GET_CONTENT)
         else
-            activity?.startActivityForResult(i, GET_CONTENT)
+            activity?.startActivityForResult(intentGetContent, GET_CONTENT)
     }
 
-    fun getOpenFileOnClickViewListener(dataUri: () -> Uri): OpenFileOnClickViewListener {
-        return OpenFileOnClickViewListener(dataUri)
-    }
-
-    private fun lookForOpenIntentsFilePicker(dataUri: Uri?): Boolean {
+    private fun lookForOpenIntentsFilePicker(): Boolean {
         var showBrowser = false
         try {
             if (isIntentAvailable(activity!!, OPEN_INTENTS_FILE_BROWSE)) {
                 val intent = Intent(OPEN_INTENTS_FILE_BROWSE)
-                // Get file path parent if possible
-                if (dataUri != null
-                        && dataUri.toString().isNotEmpty()
-                        && dataUri.scheme == "file") {
-                    intent.data = dataUri
-                } else {
-                    Log.w(javaClass.name, "Unable to read the URI")
-                }
                 if (fragment != null)
                     fragment?.startActivityForResult(intent, FILE_BROWSE)
                 else
@@ -158,7 +144,7 @@ class KeyFileHelper {
             val browserDialogFragment = BrowserDialogFragment()
             if (fragment != null && fragment!!.fragmentManager != null)
                 browserDialogFragment.show(fragment!!.fragmentManager!!, "browserDialog")
-            else if (activity!!.fragmentManager != null)
+            else
                 browserDialogFragment.show((activity as FragmentActivity).supportFragmentManager, "browserDialog")
         } catch (e: Exception) {
             Log.e(TAG, "Can't open BrowserDialog", e)
@@ -182,7 +168,7 @@ class KeyFileHelper {
                     val filename = data?.dataString
                     var keyUri: Uri? = null
                     if (filename != null) {
-                        keyUri = UriUtil.parseUriFile(filename)
+                        keyUri = UriUtil.parse(filename)
                     }
                     keyFileCallback?.invoke(keyUri)
                 }
@@ -191,24 +177,19 @@ class KeyFileHelper {
             GET_CONTENT, OPEN_DOC -> {
                 if (resultCode == RESULT_OK) {
                     if (data != null) {
-                        var uri = data.data
+                        val uri = data.data
                         if (uri != null) {
-                            if (StorageAF.useStorageFramework(activity!!)) {
                             try {
                                 // try to persist read and write permissions
                                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
                                     activity?.contentResolver?.apply {
-                                            takePersistableUriPermission(uri!!, Intent.FLAG_GRANT_READ_URI_PERMISSION)
-                                            takePersistableUriPermission(uri!!, Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
+                                        takePersistableUriPermission(uri, Intent.FLAG_GRANT_READ_URI_PERMISSION)
+                                        takePersistableUriPermission(uri, Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
                                     }
                                 }
                             } catch (e: Exception) {
                                 // nop
                             }
-                            }
-                            if (requestCode == GET_CONTENT) {
-                                uri = UriUtil.translateUri(activity!!, uri)
-                            }
                             keyFileCallback?.invoke(uri)
                         }
                     }
@@ -221,7 +202,13 @@ class KeyFileHelper {
 
     companion object {
 
-        private const val TAG = "KeyFileHelper"
+        private const val TAG = "OpenFileHelper"
+
+        private var APP_ACTION_OPEN_DOCUMENT: String = try {
+            Intent::class.java.getField("ACTION_OPEN_DOCUMENT").get(null) as String
+        } catch (e: Exception) {
+            "android.intent.action.OPEN_DOCUMENT"
+        }
 
         const val OPEN_INTENTS_FILE_BROWSE = "org.openintents.action.PICK_FILE"
 

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

@@ -1,88 +0,0 @@
-package com.kunzisoft.keepass.activities.helpers
-
-import android.content.Context
-import android.content.Intent
-import android.net.Uri
-import android.os.AsyncTask
-
-import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.fileselect.database.FileDatabaseHistory
-import com.kunzisoft.keepass.utils.UriUtil
-
-import java.io.File
-import java.lang.ref.WeakReference
-
-class UriIntentInitTask(private val weakContext: WeakReference<Context>,
-                                 private val uriIntentInitTaskCallback: UriIntentInitTaskCallback,
-                                 private val isKeyFileNeeded: Boolean)
-    : AsyncTask<Intent, Void, Int>() {
-
-    private var databaseUri: Uri? = null
-    private var keyFileUri: Uri? = null
-
-    override fun doInBackground(vararg args: Intent): Int? {
-        val intent = args[0]
-        val action = intent.action
-
-        // If is a view intent
-        if (action != null && action == VIEW_INTENT) {
-            val incoming = intent.data
-            databaseUri = incoming
-            keyFileUri = ClipDataCompat.getUriFromIntent(intent, KEY_KEYFILE)
-
-            if (incoming == null) {
-                return R.string.error_can_not_handle_uri
-            } else if (incoming.scheme == "file") {
-                val fileName = incoming.path
-
-                if (fileName?.isNotEmpty() == true) {
-                    // No file name
-                    return R.string.file_not_found
-                }
-
-                val dbFile = File(fileName)
-                if (!dbFile.exists()) {
-                    // File does not exist
-                    return R.string.file_not_found
-                }
-
-                if (keyFileUri == null) {
-                    keyFileUri = getKeyFileUri(databaseUri)
-                }
-            } else if (incoming.scheme == "content") {
-                if (keyFileUri == null) {
-                    keyFileUri = getKeyFileUri(databaseUri)
-                }
-            } else {
-                return R.string.error_can_not_handle_uri
-            }
-
-        } else {
-            databaseUri = UriUtil.parseUriFile(intent.getStringExtra(KEY_FILENAME))
-            keyFileUri = UriUtil.parseUriFile(intent.getStringExtra(KEY_KEYFILE))
-
-            if (keyFileUri == null || keyFileUri!!.toString().isEmpty()) {
-                keyFileUri = getKeyFileUri(databaseUri)
-            }
-        }
-        return null
-    }
-
-    public override fun onPostExecute(result: Int?) {
-        uriIntentInitTaskCallback.onPostInitTask(databaseUri, keyFileUri, result)
-    }
-
-    private fun getKeyFileUri(databaseUri: Uri?): Uri? {
-        return if (isKeyFileNeeded) {
-            FileDatabaseHistory.getInstance(weakContext).getKeyFileUriByDatabaseUri(databaseUri!!)
-        } else {
-            null
-        }
-    }
-
-    companion object {
-        const val KEY_FILENAME = "fileName"
-        const val KEY_KEYFILE = "keyFile"
-        private const val VIEW_INTENT = "android.intent.action.VIEW"
-    }
-}

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

@@ -1,26 +0,0 @@
-/*
- * Copyright 2019 Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.activities.helpers
-
-import android.net.Uri
-
-interface UriIntentInitTaskCallback {
-    fun onPostInitTask(databaseFileUri: Uri?, keyFileUri: Uri?, errorStringId: Int?)
-}

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

@@ -51,46 +51,46 @@ abstract class LockingActivity : StylishActivity() {
         const val TIMEOUT_ENABLE_KEY_DEFAULT = true
     }
 
-    protected var timeoutEnable: Boolean = true
+    protected var mTimeoutEnable: Boolean = true
 
-    private var lockReceiver: LockReceiver? = null
-    private var exitLock: Boolean = false
+    private var mLockReceiver: LockReceiver? = null
+    private var mExitLock: Boolean = false
 
     // Force readOnly if Entry Selection mode
-    protected var readOnly: Boolean = false
+    protected var mReadOnly: Boolean = false
         get() {
-            return field || selectionMode
+            return field || mSelectionMode
         }
-    protected var selectionMode: Boolean = false
+    protected var mSelectionMode: Boolean = false
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
         if (savedInstanceState != null
                 && savedInstanceState.containsKey(TIMEOUT_ENABLE_KEY)) {
-            timeoutEnable = savedInstanceState.getBoolean(TIMEOUT_ENABLE_KEY)
+            mTimeoutEnable = savedInstanceState.getBoolean(TIMEOUT_ENABLE_KEY)
         } else {
             if (intent != null)
-                timeoutEnable = intent.getBooleanExtra(TIMEOUT_ENABLE_KEY, TIMEOUT_ENABLE_KEY_DEFAULT)
+                mTimeoutEnable = intent.getBooleanExtra(TIMEOUT_ENABLE_KEY, TIMEOUT_ENABLE_KEY_DEFAULT)
         }
 
-        if (timeoutEnable) {
-            lockReceiver = LockReceiver()
+        if (mTimeoutEnable) {
+            mLockReceiver = LockReceiver()
             val intentFilter = IntentFilter().apply {
                 addAction(Intent.ACTION_SCREEN_OFF)
                 addAction(LOCK_ACTION)
             }
-            registerReceiver(lockReceiver, intentFilter)
+            registerReceiver(mLockReceiver, intentFilter)
         }
 
-        exitLock = false
-        readOnly = ReadOnlyHelper.retrieveReadOnlyFromInstanceStateOrIntent(savedInstanceState, intent)
+        mExitLock = false
+        mReadOnly = ReadOnlyHelper.retrieveReadOnlyFromInstanceStateOrIntent(savedInstanceState, intent)
     }
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         if (resultCode == RESULT_EXIT_LOCK) {
-            exitLock = true
+            mExitLock = true
             if (Database.getInstance().loaded) {
                 lockAndExit()
             }
@@ -101,9 +101,9 @@ abstract class LockingActivity : StylishActivity() {
         super.onResume()
 
         // To refresh when back to normal workflow from selection workflow
-        selectionMode = EntrySelectionHelper.retrieveEntrySelectionModeFromIntent(intent)
+        mSelectionMode = EntrySelectionHelper.retrieveEntrySelectionModeFromIntent(intent)
 
-        if (timeoutEnable) {
+        if (mTimeoutEnable) {
             // End activity if database not loaded
             if (!Database.getInstance().loaded) {
                 finish()
@@ -115,7 +115,7 @@ abstract class LockingActivity : StylishActivity() {
             // If the time is out -> close the Activity
             TimeoutHelper.checkTimeAndLockIfTimeout(this)
             // If onCreate already record time
-            if (!exitLock)
+            if (!mExitLock)
                 TimeoutHelper.recordTime(this)
         }
 
@@ -123,15 +123,15 @@ abstract class LockingActivity : StylishActivity() {
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
-        ReadOnlyHelper.onSaveInstanceState(outState, readOnly)
-        outState.putBoolean(TIMEOUT_ENABLE_KEY, timeoutEnable)
+        ReadOnlyHelper.onSaveInstanceState(outState, mReadOnly)
+        outState.putBoolean(TIMEOUT_ENABLE_KEY, mTimeoutEnable)
         super.onSaveInstanceState(outState)
     }
 
     override fun onPause() {
         super.onPause()
 
-        if (timeoutEnable) {
+        if (mTimeoutEnable) {
             // If the time is out during our navigation in activity -> close the Activity
             TimeoutHelper.checkTimeAndLockIfTimeout(this)
         }
@@ -139,8 +139,8 @@ abstract class LockingActivity : StylishActivity() {
 
     override fun onDestroy() {
         super.onDestroy()
-        if (lockReceiver != null)
-            unregisterReceiver(lockReceiver)
+        if (mLockReceiver != null)
+            unregisterReceiver(mLockReceiver)
     }
 
     inner class LockReceiver : BroadcastReceiver() {
@@ -184,7 +184,7 @@ abstract class LockingActivity : StylishActivity() {
     }
 
     override fun onBackPressed() {
-        if (timeoutEnable) {
+        if (mTimeoutEnable) {
             TimeoutHelper.checkTimeAndLockIfTimeoutOrResetTimeout(this) {
                 super.onBackPressed()
             }

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

@@ -1,49 +0,0 @@
-/*
- * Copyright 2019 Jeremy Jamet / Kunzisoft.
- *
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.kunzisoft.keepass.activities.stylish
-
-import android.os.Bundle
-import android.support.annotation.StyleRes
-import android.util.Log
-
-import com.nononsenseapps.filepicker.FilePickerActivity
-
-/**
- * FilePickerActivity class with a style compatibility
- */
-class FilePickerStylishActivity : FilePickerActivity() {
-
-    @StyleRes
-    private var themeId: Int = 0
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        this.themeId = Stylish.getFilePickerThemeId(this)
-        setTheme(themeId)
-        super.onCreate(savedInstanceState)
-    }
-
-    override fun onResume() {
-        super.onResume()
-        if (Stylish.getFilePickerThemeId(this) != this.themeId) {
-            Log.d(this.javaClass.name, "Theme change detected, restarting activity")
-            this.recreate()
-        }
-    }
-}

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

@@ -20,8 +20,8 @@
 package com.kunzisoft.keepass.activities.stylish
 
 import android.content.Context
-import android.support.annotation.StyleRes
-import android.support.v7.preference.PreferenceManager
+import androidx.annotation.StyleRes
+import androidx.preference.PreferenceManager
 import android.util.Log
 
 import com.kunzisoft.keepass.R
@@ -68,15 +68,4 @@ object Stylish {
             else -> R.style.KeepassDXStyle_Light
         }
     }
-
-    @StyleRes
-    fun getFilePickerThemeId(context: Context): Int {
-        return when {
-            themeString.equals(context.getString(R.string.list_style_name_dark)) -> R.style.KeepassDXStyle_FilePickerStyle_Dark
-            themeString.equals(context.getString(R.string.list_style_name_blue)) -> R.style.KeepassDXStyle_FilePickerStyle_Blue
-            themeString.equals(context.getString(R.string.list_style_name_red)) -> R.style.KeepassDXStyle_FilePickerStyle_Red
-            themeString.equals(context.getString(R.string.list_style_name_purple)) -> R.style.KeepassDXStyle_FilePickerStyle_Purple
-            else -> R.style.KeepassDXStyle_FilePickerStyle
-        }
-    }
 }

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

@@ -20,8 +20,8 @@
 package com.kunzisoft.keepass.activities.stylish
 
 import android.os.Bundle
-import android.support.annotation.StyleRes
-import android.support.v7.app.AppCompatActivity
+import androidx.annotation.StyleRes
+import androidx.appcompat.app.AppCompatActivity
 import android.util.Log
 
 abstract class StylishActivity : AppCompatActivity() {

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

@@ -23,9 +23,9 @@ import android.content.Context
 import android.graphics.Color
 import android.os.Build
 import android.os.Bundle
-import android.support.annotation.StyleRes
-import android.support.v4.app.Fragment
-import android.support.v7.view.ContextThemeWrapper
+import androidx.annotation.StyleRes
+import androidx.fragment.app.Fragment
+import androidx.appcompat.view.ContextThemeWrapper
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -36,11 +36,9 @@ abstract class StylishFragment : Fragment() {
     protected var themeId: Int = 0
     protected var contextThemed: Context? = null
 
-    override fun onAttach(context: Context?) {
+    override fun onAttach(context: Context) {
         super.onAttach(context)
-        if (context != null) {
         this.themeId = Stylish.getThemeId(context)
-        }
         contextThemed = ContextThemeWrapper(context, themeId)
     }
 

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

@@ -0,0 +1,50 @@
+package com.kunzisoft.keepass.adapters
+
+import android.content.Context
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import com.kunzisoft.keepass.R
+import com.kunzisoft.keepass.database.element.EntryVersioned
+
+class EntryHistoryAdapter(val context: Context) : RecyclerView.Adapter<EntryHistoryAdapter.EntryHistoryViewHolder>() {
+
+    private val inflater: LayoutInflater = LayoutInflater.from(context)
+    var entryHistoryList: MutableList<EntryVersioned> = ArrayList()
+    var onItemClickListener: ((item: EntryVersioned, position: Int)->Unit)? = null
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): EntryHistoryViewHolder {
+        return EntryHistoryViewHolder(inflater.inflate(R.layout.item_list_entry_history, parent, false))
+    }
+
+    override fun onBindViewHolder(holder: EntryHistoryViewHolder, position: Int) {
+        val entryHistory = entryHistoryList[position]
+
+        holder.lastModifiedView.text = entryHistory.lastModificationTime.getDateTimeString(context.resources)
+        holder.titleView.text = entryHistory.title
+        holder.usernameView.text = entryHistory.username
+        holder.urlView.text = entryHistory.url
+
+        holder.itemView.setOnClickListener {
+            onItemClickListener?.invoke(entryHistory, position)
+        }
+    }
+
+    override fun getItemCount(): Int {
+        return entryHistoryList.size
+    }
+
+    fun clear() {
+        entryHistoryList.clear()
+    }
+
+    inner class EntryHistoryViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+
+        var lastModifiedView: TextView = itemView.findViewById(R.id.entry_history_last_modified)
+        var titleView: TextView = itemView.findViewById(R.id.entry_history_title)
+        var usernameView: TextView = itemView.findViewById(R.id.entry_history_username)
+        var urlView: TextView = itemView.findViewById(R.id.entry_history_url)
+    }
+}

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

@@ -1,7 +1,7 @@
-package com.kunzisoft.keepass.magikeyboard.adapter
+package com.kunzisoft.keepass.adapters
 
 import android.content.Context
-import android.support.v7.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup

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

@@ -20,24 +20,31 @@
 package com.kunzisoft.keepass.adapters
 
 import android.content.Context
-import android.net.Uri
-import android.support.annotation.ColorInt
-import android.support.v7.widget.RecyclerView
+import androidx.annotation.ColorInt
+import androidx.recyclerview.widget.RecyclerView
 import android.util.TypedValue
 import android.view.*
+import android.widget.EditText
 import android.widget.ImageView
 import android.widget.TextView
+import android.widget.ViewSwitcher
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.fileselect.FileDatabaseModel
-import com.kunzisoft.keepass.settings.PreferencesUtil
+import com.kunzisoft.keepass.app.database.FileDatabaseHistoryEntity
+import com.kunzisoft.keepass.utils.FileDatabaseInfo
+import com.kunzisoft.keepass.utils.UriUtil
 
-class FileDatabaseHistoryAdapter(private val context: Context, private val listFiles: List<String>)
+class FileDatabaseHistoryAdapter(private val context: Context)
     : RecyclerView.Adapter<FileDatabaseHistoryAdapter.FileDatabaseHistoryViewHolder>() {
 
     private val inflater: LayoutInflater = LayoutInflater.from(context)
-    private var fileItemOpenListener: FileItemOpenListener? = null
-    private var fileSelectClearListener: FileSelectClearListener? = null
-    private var fileInformationShowListener: FileInformationShowListener? = null
+    private var fileItemOpenListener: ((FileDatabaseHistoryEntity)->Unit)? = null
+    private var fileSelectClearListener: ((FileDatabaseHistoryEntity)->Boolean)? = null
+    private var saveAliasListener: ((FileDatabaseHistoryEntity)->Unit)? = null
+
+    private val listDatabaseFiles = ArrayList<FileDatabaseHistoryEntity>()
+
+    private var mExpandedPosition = -1
+    private var mPreviousExpandedPosition = -1
 
     @ColorInt
     private val defaultColor: Int
@@ -45,7 +52,6 @@ class FileDatabaseHistoryAdapter(private val context: Context, private val listF
     private val warningColor: Int
 
     init {
-
         val typedValue = TypedValue()
         val theme = context.theme
         theme.resolveAttribute(R.attr.colorAccent, typedValue, true)
@@ -60,91 +66,120 @@ class FileDatabaseHistoryAdapter(private val context: Context, private val listF
     }
 
     override fun onBindViewHolder(holder: FileDatabaseHistoryViewHolder, position: Int) {
-        val fileDatabaseModel = FileDatabaseModel(context, listFiles[position])
-        // Context menu creation
-        holder.fileContainer.setOnCreateContextMenuListener(ContextMenuBuilder(fileDatabaseModel))
+        // Get info from position
+        val fileHistoryEntity = listDatabaseFiles[position]
+        val fileDatabaseInfo = FileDatabaseInfo(context, fileHistoryEntity.databaseUri)
+
         // Click item to open file
         if (fileItemOpenListener != null)
-            holder.fileContainer.setOnClickListener(FileItemClickListener(position))
-        // Assign file name
-        if (PreferencesUtil.isFullFilePathEnable(context))
-            holder.fileName.text = Uri.decode(fileDatabaseModel.fileUri.toString())
-        else
-            holder.fileName.text = fileDatabaseModel.fileName
-        holder.fileName.textSize = PreferencesUtil.getListTextSize(context)
+            holder.fileContainer.setOnClickListener {
+                fileItemOpenListener?.invoke(fileHistoryEntity)
+            }
+
+        // File alias
+        holder.fileAlias.text = fileDatabaseInfo.retrieveDatabaseAlias(fileHistoryEntity.databaseAlias)
+
+        // File path
+        holder.filePath.text = UriUtil.decode(fileDatabaseInfo.fileUri?.toString())
+
+        holder.filePreciseInfoContainer.visibility = if (fileDatabaseInfo.found()) {
+            // Modification
+            holder.fileModification.text = fileDatabaseInfo.getModificationString()
+            // Size
+            holder.fileSize.text = fileDatabaseInfo.getSizeString()
+
+            View.VISIBLE
+        } else
+            View.GONE
+
         // Click on information
-        if (fileInformationShowListener != null)
-            holder.fileInformation.setOnClickListener(FileInformationClickListener(fileDatabaseModel))
+        val isExpanded = position == mExpandedPosition
+        //This line hides or shows the layout in question
+        holder.fileExpandContainer.visibility = if (isExpanded) View.VISIBLE else View.GONE
+
+        // Save alias modification
+        holder.fileAliasCloseButton.setOnClickListener {
+            // Change the alias
+            fileHistoryEntity.databaseAlias = holder.fileAliasEdit.text.toString()
+            saveAliasListener?.invoke(fileHistoryEntity)
+
+            // Finish save mode
+            holder.fileMainSwitcher.showPrevious()
+            // Refresh current position to show alias
+            notifyItemChanged(position)
+        }
+
+        // Open alias modification
+        holder.fileModifyButton.setOnClickListener {
+            holder.fileAliasEdit.setText(holder.fileAlias.text)
+            holder.fileMainSwitcher.showNext()
+        }
+
+        holder.fileDeleteButton.setOnClickListener {
+            fileSelectClearListener?.invoke(fileHistoryEntity)
+        }
+
+        if (isExpanded) {
+            mPreviousExpandedPosition = position
+        }
+
+        holder.fileInformation.setOnClickListener {
+            mExpandedPosition = if (isExpanded) -1 else position
+
+            // Notify change
+            if (mPreviousExpandedPosition < itemCount)
+                notifyItemChanged(mPreviousExpandedPosition)
+            notifyItemChanged(position)
+        }
+
+        // Refresh View / Close alias modification if not contains fileAlias
+        if (holder.fileMainSwitcher.currentView.findViewById<View>(R.id.file_alias)
+                != holder.fileAlias)
+            holder.fileMainSwitcher.showPrevious()
     }
 
     override fun getItemCount(): Int {
-        return listFiles.size
+        return listDatabaseFiles.size
     }
 
-    fun setOnItemClickListener(fileItemOpenListener: FileItemOpenListener) {
-        this.fileItemOpenListener = fileItemOpenListener
+    fun addDatabaseFileHistoryList(listFileDatabaseHistoryToAdd: List<FileDatabaseHistoryEntity>) {
+        listDatabaseFiles.clear()
+        listDatabaseFiles.addAll(listFileDatabaseHistoryToAdd)
     }
 
-    fun setFileSelectClearListener(fileSelectClearListener: FileSelectClearListener) {
-        this.fileSelectClearListener = fileSelectClearListener
+    fun deleteDatabaseFileHistory(fileDatabaseHistoryToDelete: FileDatabaseHistoryEntity) {
+        listDatabaseFiles.remove(fileDatabaseHistoryToDelete)
     }
 
-    fun setFileInformationShowListener(fileInformationShowListener: FileInformationShowListener) {
-        this.fileInformationShowListener = fileInformationShowListener
+    fun setOnFileDatabaseHistoryOpenListener(listener : ((FileDatabaseHistoryEntity)->Unit)?) {
+        this.fileItemOpenListener = listener
     }
 
-    interface FileItemOpenListener {
-        fun onFileItemOpenListener(itemPosition: Int)
+    fun setOnFileDatabaseHistoryDeleteListener(listener : ((FileDatabaseHistoryEntity)->Boolean)?) {
+        this.fileSelectClearListener = listener
     }
 
-    interface FileSelectClearListener {
-        fun onFileSelectClearListener(fileDatabaseModel: FileDatabaseModel): Boolean
-    }
-
-    interface FileInformationShowListener {
-        fun onClickFileInformation(fileDatabaseModel: FileDatabaseModel)
-    }
-
-    private inner class FileItemClickListener(private val position: Int) : View.OnClickListener {
-
-        override fun onClick(v: View) {
-            fileItemOpenListener?.onFileItemOpenListener(position)
-        }
-    }
-
-    private inner class FileInformationClickListener(private val fileDatabaseModel: FileDatabaseModel) : View.OnClickListener {
-
-        override fun onClick(view: View) {
-            fileInformationShowListener?.onClickFileInformation(fileDatabaseModel)
-        }
-    }
-
-    private inner class ContextMenuBuilder(private val fileDatabaseModel: FileDatabaseModel) : View.OnCreateContextMenuListener {
-
-        private val mOnMyActionClickListener = MenuItem.OnMenuItemClickListener { item ->
-            if (fileSelectClearListener == null)
-                return@OnMenuItemClickListener false
-            when (item.itemId) {
-                MENU_CLEAR -> fileSelectClearListener!!.onFileSelectClearListener(fileDatabaseModel)
-                else -> false
-            }
-        }
-
-        override fun onCreateContextMenu(contextMenu: ContextMenu?, view: View?, contextMenuInfo: ContextMenu.ContextMenuInfo?) {
-            contextMenu?.add(Menu.NONE, MENU_CLEAR, Menu.NONE, R.string.remove_from_filelist)
-                    ?.setOnMenuItemClickListener(mOnMyActionClickListener)
-        }
+    fun setOnSaveAliasListener(listener : ((FileDatabaseHistoryEntity)->Unit)?) {
+        this.saveAliasListener = listener
     }
 
     inner class FileDatabaseHistoryViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
 
-        var fileContainer: View = itemView.findViewById(R.id.file_container)
-        var fileName: TextView = itemView.findViewById(R.id.file_filename)
+        var fileContainer: ViewGroup = itemView.findViewById(R.id.file_container_basic_info)
+
+        var fileAlias: TextView = itemView.findViewById(R.id.file_alias)
         var fileInformation: ImageView = itemView.findViewById(R.id.file_information)
-    }
 
-    companion object {
+        var fileMainSwitcher: ViewSwitcher = itemView.findViewById(R.id.file_main_switcher)
+        var fileAliasEdit: EditText = itemView.findViewById(R.id.file_alias_edit)
+        var fileAliasCloseButton: ImageView = itemView.findViewById(R.id.file_alias_save)
 
-        private const val MENU_CLEAR = 1
+        var fileExpandContainer: ViewGroup = itemView.findViewById(R.id.file_expand_container)
+        var fileModifyButton: ImageView = itemView.findViewById(R.id.file_modify_button)
+        var fileDeleteButton: ImageView = itemView.findViewById(R.id.file_delete_button)
+        var filePath: TextView = itemView.findViewById(R.id.file_path)
+        var filePreciseInfoContainer: ViewGroup = itemView.findViewById(R.id.file_precise_info_container)
+        var fileModification: TextView = itemView.findViewById(R.id.file_modification)
+        var fileSize: TextView = itemView.findViewById(R.id.file_size)
     }
 }

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

@@ -21,44 +21,52 @@ package com.kunzisoft.keepass.adapters
 
 import android.content.Context
 import android.graphics.Color
-import android.support.v7.util.SortedList
-import android.support.v7.widget.RecyclerView
-import android.support.v7.widget.util.SortedListAdapterCallback
+import android.graphics.Paint
 import android.util.Log
-import android.view.*
+import android.util.TypedValue
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
 import android.widget.ImageView
 import android.widget.TextView
 import android.widget.Toast
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.SortedList
+import androidx.recyclerview.widget.SortedListAdapterCallback
 import com.kunzisoft.keepass.R
-import com.kunzisoft.keepass.app.App
 import com.kunzisoft.keepass.database.SortNodeEnum
 import com.kunzisoft.keepass.database.element.*
 import com.kunzisoft.keepass.icons.assignDatabaseIcon
 import com.kunzisoft.keepass.settings.PreferencesUtil
+import java.util.*
 
 class NodeAdapter
 /**
  * Create node list adapter with contextMenu or not
  * @param context Context to use
  */
-(private val context: Context, private val menuInflater: MenuInflater)
+(private val context: Context)
     : RecyclerView.Adapter<NodeAdapter.NodeViewHolder>() {
 
     private val nodeSortedList: SortedList<NodeVersioned>
     private val inflater: LayoutInflater = LayoutInflater.from(context)
-    private var textSize: Float = 0.toFloat()
-    private var subtextSize: Float = 0.toFloat()
-    private var iconSize: Float = 0.toFloat()
-    private var listSort: SortNodeEnum? = null
-    private var groupsBeforeSort: Boolean = false
-    private var ascendingSort: Boolean = false
-    private var showUserNames: Boolean = false
 
+    private var calculateViewTypeTextSize = Array(2) { true} // number of view type
+    private var textSizeUnit: Int = TypedValue.COMPLEX_UNIT_PX
+    private var prefTextSize: Float = 0F
+    private var subtextSize: Float = 0F
+    private var infoTextSize: Float = 0F
+    private var numberChildrenTextSize: Float = 0F
+    private var iconSize: Float = 0F
+    private var listSort: SortNodeEnum = SortNodeEnum.DB
+    private var ascendingSort: Boolean = true
+    private var groupsBeforeSort: Boolean = true
+    private var recycleBinBottomSort: Boolean = true
+    private var showUserNames: Boolean = true
+    private var showNumberEntries: Boolean = true
+
+    private var actionNodesList = LinkedList<NodeVersioned>()
     private var nodeClickCallback: NodeClickCallback? = null
-    private var nodeMenuListener: NodeMenuListener? = null
-    private var activateContextMenu: Boolean = false
-    private var readOnly: Boolean = false
-    private var isASearchResult: Boolean = false
 
     private val mDatabase: Database
 
@@ -74,17 +82,16 @@ class NodeAdapter
 
     init {
         assignPreferences()
-        this.activateContextMenu = false
-        this.readOnly = false
-        this.isASearchResult = false
 
         this.nodeSortedList = SortedList(NodeVersioned::class.java, object : SortedListAdapterCallback<NodeVersioned>(this) {
             override fun compare(item1: NodeVersioned, item2: NodeVersioned): Int {
-                return listSort?.getNodeComparator(ascendingSort, groupsBeforeSort)?.compare(item1, item2) ?: 0
+                return listSort.getNodeComparator(ascendingSort, groupsBeforeSort, recycleBinBottomSort).compare(item1, item2)
             }
 
             override fun areContentsTheSame(oldItem: NodeVersioned, newItem: NodeVersioned): Boolean {
-                return oldItem.title == newItem.title && oldItem.icon == newItem.icon
+                return oldItem.type == newItem.type
+                        && oldItem.title == newItem.title
+                        && oldItem.icon == newItem.icon
             }
 
             override fun areItemsTheSame(item1: NodeVersioned, item2: NodeVersioned): Boolean {
@@ -105,29 +112,22 @@ class NodeAdapter
         taTextColor.recycle()
     }
 
-    fun setReadOnly(readOnly: Boolean) {
-        this.readOnly = readOnly
-    }
-
-    fun setIsASearchResult(isASearchResult: Boolean) {
-        this.isASearchResult = isASearchResult
-    }
-
-    fun setActivateContextMenu(activate: Boolean) {
-        this.activateContextMenu = activate
-    }
-
     private fun assignPreferences() {
-        val textSizeDefault = java.lang.Float.parseFloat(context.getString(R.string.list_size_default))
-        this.textSize = PreferencesUtil.getListTextSize(context)
-        this.subtextSize = context.resources.getInteger(R.integer.list_small_size_default) * textSize / textSizeDefault
-        // Retrieve the icon size
-        val iconDefaultSize = context.resources.getDimension(R.dimen.list_icon_size_default)
-        this.iconSize = iconDefaultSize * textSize / textSizeDefault
+        this.prefTextSize = PreferencesUtil.getListTextSize(context)
+        this.infoTextSize = context.resources.getDimension(R.dimen.list_medium_size_default) * prefTextSize
+        this.subtextSize = context.resources.getDimension(R.dimen.list_small_size_default) * prefTextSize
+        this.numberChildrenTextSize = context.resources.getDimension(R.dimen.list_tiny_size_default) * prefTextSize
+        this.iconSize = context.resources.getDimension(R.dimen.list_icon_size_default) * prefTextSize
+
         this.listSort = PreferencesUtil.getListSort(context)
-        this.groupsBeforeSort = PreferencesUtil.getGroupsBeforeSort(context)
         this.ascendingSort = PreferencesUtil.getAscendingSort(context)
+        this.groupsBeforeSort = PreferencesUtil.getGroupsBeforeSort(context)
+        this.recycleBinBottomSort = PreferencesUtil.getRecycleBinBottomSort(context)
         this.showUserNames = PreferencesUtil.showUsernamesListEntries(context)
+        this.showNumberEntries = PreferencesUtil.showNumberEntries(context)
+
+        // Reinit textSize for all view type
+        calculateViewTypeTextSize.forEachIndexed { index, _ -> calculateViewTypeTextSize[index] = true }
     }
 
     /**
@@ -136,14 +136,17 @@ class NodeAdapter
     fun rebuildList(group: GroupVersioned) {
         this.nodeSortedList.clear()
         assignPreferences()
-        // TODO verify sort
         try {
-            this.nodeSortedList.addAll(group.getChildrenWithoutMetaStream())
+            this.nodeSortedList.addAll(group.getChildren())
         } catch (e: Exception) {
             Log.e(TAG, "Can't add node elements to the list", e)
             Toast.makeText(context, "Can't add node elements to the list : " + e.message, Toast.LENGTH_LONG).show()
         }
+        notifyDataSetChanged()
+    }
 
+    fun contains(node: NodeVersioned): Boolean {
+        return nodeSortedList.indexOf(node) != SortedList.INVALID_POSITION
     }
 
     /**
@@ -154,6 +157,14 @@ class NodeAdapter
         nodeSortedList.add(node)
     }
 
+    /**
+     * Add nodes to the list
+     * @param nodes Nodes to add
+     */
+    fun addNodes(nodes: List<NodeVersioned>) {
+        nodeSortedList.addAll(nodes)
+    }
+
     /**
      * Remove a node in the list
      * @param node Node to delete
@@ -162,6 +173,37 @@ class NodeAdapter
         nodeSortedList.remove(node)
     }
 
+    /**
+     * Remove nodes in the list
+     * @param nodes Nodes to delete
+     */
+    fun removeNodes(nodes: List<NodeVersioned>) {
+        nodes.forEach { node ->
+            nodeSortedList.remove(node)
+        }
+    }
+
+    /**
+     * Remove a node at [position] in the list
+     */
+    fun removeNodeAt(position: Int) {
+        nodeSortedList.removeItemAt(position)
+        // Refresh all the next items
+        notifyItemRangeChanged(position, nodeSortedList.size() - position)
+    }
+
+    /**
+     * Remove nodes in the list by [positions]
+     * Note : algorithm remove the higher position at each iteration
+     */
+    fun removeNodesAt(positions: IntArray) {
+        val positionsSortDescending = positions.toMutableList()
+        positionsSortDescending.sortDescending()
+        positionsSortDescending.forEach {
+            removeNodeAt(it)
+        }
+    }
+
     /**
      * Update a node in the list
      * @param oldNode Node before the update
@@ -174,6 +216,40 @@ class NodeAdapter
         nodeSortedList.endBatchedUpdates()
     }
 
+    /**
+     * Update nodes in the list
+     * @param oldNodes Nodes before the update
+     * @param newNodes Node after the update
+     */
+    fun updateNodes(oldNodes: List<NodeVersioned>, newNodes: List<NodeVersioned>) {
+        nodeSortedList.beginBatchedUpdates()
+        oldNodes.forEach { oldNode ->
+            nodeSortedList.remove(oldNode)
+        }
+        nodeSortedList.addAll(newNodes)
+        nodeSortedList.endBatchedUpdates()
+    }
+
+    fun notifyNodeChanged(node: NodeVersioned) {
+        notifyItemChanged(nodeSortedList.indexOf(node))
+    }
+
+    fun setActionNodes(actionNodes: List<NodeVersioned>) {
+        this.actionNodesList.apply {
+            clear()
+            addAll(actionNodes)
+        }
+    }
+
+    fun unselectActionNodes() {
+        actionNodesList.forEach {
+            notifyItemChanged(nodeSortedList.indexOf(it))
+        }
+        this.actionNodesList.apply {
+            clear()
+        }
+    }
+
     /**
      * Notify a change sort of the list
      */
@@ -203,20 +279,41 @@ class NodeAdapter
             Type.GROUP -> iconGroupColor
             Type.ENTRY -> iconEntryColor
         }
-        holder.icon.assignDatabaseIcon(mDatabase.drawFactory, subNode.icon, iconColor)
+        holder.icon.apply {
+            assignDatabaseIcon(mDatabase.drawFactory, subNode.icon, iconColor)
+            // Relative size of the icon
+            layoutParams?.apply {
+                height = iconSize.toInt()
+                width = iconSize.toInt()
+            }
+        }
         // Assign text
-        holder.text.text = subNode.title
+        holder.text.apply {
+            text = subNode.title
+            setTextSize(textSizeUnit, infoTextSize)
+            paintFlags = if (subNode.isCurrentlyExpires)
+                paintFlags or Paint.STRIKE_THRU_TEXT_FLAG
+            else
+                paintFlags and Paint.STRIKE_THRU_TEXT_FLAG
+        }
         // Assign click
-        holder.container.setOnClickListener { nodeClickCallback?.onNodeClick(subNode) }
-        // Context menu
-        if (activateContextMenu) {
-            holder.container.setOnCreateContextMenuListener(
-                    ContextMenuBuilder(menuInflater, subNode, readOnly, isASearchResult, nodeMenuListener))
+        holder.container.setOnClickListener {
+            nodeClickCallback?.onNodeClick(subNode)
+        }
+        holder.container.setOnLongClickListener {
+            nodeClickCallback?.onNodeLongClick(subNode) ?: false
         }
 
-        // Add username
-        holder.subText.text = ""
-        holder.subText.visibility = View.GONE
+        holder.container.isSelected = actionNodesList.contains(subNode)
+
+        // Add subText with username
+        holder.subText.apply {
+            text = ""
+            paintFlags = if (subNode.isCurrentlyExpires)
+                paintFlags or Paint.STRIKE_THRU_TEXT_FLAG
+            else
+                paintFlags and Paint.STRIKE_THRU_TEXT_FLAG
+            visibility = View.GONE
             if (subNode.type == Type.ENTRY) {
                 val entry = subNode as EntryVersioned
 
@@ -226,19 +323,27 @@ class NodeAdapter
 
                 val username = entry.username
                 if (showUserNames && username.isNotEmpty()) {
-                holder.subText.visibility = View.VISIBLE
-                holder.subText.text = username
+                    visibility = View.VISIBLE
+                    text = username
+                    setTextSize(textSizeUnit, subtextSize)
                 }
 
                 mDatabase.stopManageEntry(entry)
             }
+        }
 
-        // Assign image and text size
-        // Relative size of the icon
-        holder.icon.layoutParams?.height = iconSize.toInt()
-        holder.icon.layoutParams?.width = iconSize.toInt()
-        holder.text.textSize = textSize
-        holder.subText.textSize = subtextSize
+        // Add number of entries in groups
+        if (subNode.type == Type.GROUP) {
+            if (showNumberEntries) {
+                holder.numberChildren?.apply {
+                    text = (subNode as GroupVersioned).getChildEntries(true).size.toString()
+                    setTextSize(textSizeUnit, numberChildrenTextSize)
+                    visibility = View.VISIBLE
+                }
+            } else {
+                holder.numberChildren?.visibility = View.GONE
+            }
+        }
     }
 
     override fun getItemCount(): Int {
@@ -252,103 +357,12 @@ class NodeAdapter
         this.nodeClickCallback = nodeClickCallback
     }
 
-    /**
-     * Assign a listener when an element of menu is clicked
-     */
-    fun setNodeMenuListener(nodeMenuListener: NodeMenuListener?) {
-        this.nodeMenuListener = nodeMenuListener
-    }
-
     /**
      * Callback listener to redefine to do an action when a node is click
      */
     interface NodeClickCallback {
         fun onNodeClick(node: NodeVersioned)
-    }
-
-    /**
-     * Menu listener to redefine to do an action in menu
-     */
-    interface NodeMenuListener {
-        fun onOpenMenuClick(node: NodeVersioned): Boolean
-        fun onEditMenuClick(node: NodeVersioned): Boolean
-        fun onCopyMenuClick(node: NodeVersioned): Boolean
-        fun onMoveMenuClick(node: NodeVersioned): Boolean
-        fun onDeleteMenuClick(node: NodeVersioned): Boolean
-    }
-
-    /**
-     * Utility class for menu listener
-     */
-    private class ContextMenuBuilder(val menuInflater: MenuInflater,
-                                     val node: NodeVersioned,
-                                     val readOnly: Boolean,
-                                     val isASearchResult: Boolean,
-                                     val menuListener: NodeMenuListener?)
-        : View.OnCreateContextMenuListener {
-
-        private val mOnMyActionClickListener = MenuItem.OnMenuItemClickListener { item ->
-            if (menuListener == null)
-                return@OnMenuItemClickListener false
-            when (item.itemId) {
-                R.id.menu_open -> menuListener.onOpenMenuClick(node)
-                R.id.menu_edit -> menuListener.onEditMenuClick(node)
-                R.id.menu_copy -> menuListener.onCopyMenuClick(node)
-                R.id.menu_move -> menuListener.onMoveMenuClick(node)
-                R.id.menu_delete -> menuListener.onDeleteMenuClick(node)
-                else -> false
-            }
-        }
-
-        override fun onCreateContextMenu(contextMenu: ContextMenu?,
-                                         view: View?,
-                                         contextMenuInfo: ContextMenu.ContextMenuInfo?) {
-            menuInflater.inflate(R.menu.node_menu, contextMenu)
-
-            // Opening
-            var menuItem = contextMenu?.findItem(R.id.menu_open)
-            menuItem?.setOnMenuItemClickListener(mOnMyActionClickListener)
-
-            val database = Database.getInstance()
-
-            // Edition
-            if (readOnly || node == database.recycleBin) {
-                contextMenu?.removeItem(R.id.menu_edit)
-            } else {
-                menuItem = contextMenu?.findItem(R.id.menu_edit)
-                menuItem?.setOnMenuItemClickListener(mOnMyActionClickListener)
-            }
-
-            // Copy (not for group)
-            if (readOnly
-                    || isASearchResult
-                    || node == database.recycleBin
-                    || node.type == Type.GROUP) {
-                // TODO COPY For Group
-                contextMenu?.removeItem(R.id.menu_copy)
-            } else {
-                menuItem = contextMenu?.findItem(R.id.menu_copy)
-                menuItem?.setOnMenuItemClickListener(mOnMyActionClickListener)
-            }
-
-            // Move
-            if (readOnly
-                    || isASearchResult
-                    || node == database.recycleBin) {
-                contextMenu?.removeItem(R.id.menu_move)
-            } else {
-                menuItem = contextMenu?.findItem(R.id.menu_move)
-                menuItem?.setOnMenuItemClickListener(mOnMyActionClickListener)
-            }
-
-            // Deletion
-            if (readOnly || node == database.recycleBin) {
-                contextMenu?.removeItem(R.id.menu_delete)
-            } else {
-                menuItem = contextMenu?.findItem(R.id.menu_delete)
-                menuItem?.setOnMenuItemClickListener(mOnMyActionClickListener)
-            }
-        }
+        fun onNodeLongClick(node: NodeVersioned): Boolean
     }
 
     class NodeViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
@@ -356,6 +370,7 @@ class NodeAdapter
         var icon: ImageView = itemView.findViewById(R.id.node_icon)
         var text: TextView = itemView.findViewById(R.id.node_text)
         var subText: TextView = itemView.findViewById(R.id.node_subtext)
+        var numberChildren: TextView? = itemView.findViewById(R.id.node_child_numbers)
     }
 
     companion object {

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

@@ -22,7 +22,7 @@ package com.kunzisoft.keepass.adapters
 import android.content.Context
 import android.database.Cursor
 import android.graphics.Color
-import android.support.v4.widget.CursorAdapter
+import androidx.cursoradapter.widget.CursorAdapter
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -38,7 +38,7 @@ import com.kunzisoft.keepass.settings.PreferencesUtil
 import java.util.*
 
 class SearchEntryCursorAdapter(context: Context, private val database: Database)
-    : CursorAdapter(context, null, FLAG_REGISTER_CONTENT_OBSERVER) {
+    : androidx.cursoradapter.widget.CursorAdapter(context, null, FLAG_REGISTER_CONTENT_OBSERVER) {
 
     private val cursorInflater: LayoutInflater = context.getSystemService(
             Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater

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

@@ -19,7 +19,7 @@
  */
 package com.kunzisoft.keepass.app
 
-import android.support.multidex.MultiDexApplication
+import androidx.multidex.MultiDexApplication
 import com.kunzisoft.keepass.activities.stylish.Stylish
 import com.kunzisoft.keepass.database.element.Database
 

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

@@ -0,0 +1,20 @@
+package com.kunzisoft.keepass.app.database
+
+import android.os.AsyncTask
+
+/**
+ * Private class to invoke each method in a separate thread
+ */
+class ActionDatabaseAsyncTask<T>(
+        private val action: () -> T ,
+        private val afterActionDatabaseListener: ((T?) -> Unit)? = null
+) : AsyncTask<Void, Void, T>() {
+
+    override fun doInBackground(vararg args: Void?): T? {
+        return action.invoke()
+    }
+
+    override fun onPostExecute(result: T?) {
+        afterActionDatabaseListener?.invoke(result)
+    }
+}

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

@@ -0,0 +1,22 @@
+package com.kunzisoft.keepass.app.database
+
+import androidx.room.Database
+import androidx.room.Room
+import androidx.room.RoomDatabase
+import android.content.Context
+
+@Database(version = 1, entities = [FileDatabaseHistoryEntity::class, CipherDatabaseEntity::class])
+abstract class AppDatabase : RoomDatabase() {
+
+    abstract fun fileDatabaseHistoryDao(): FileDatabaseHistoryDao
+    abstract fun cipherDatabaseDao(): CipherDatabaseDao
+
+    companion object {
+        fun getDatabase(applicationContext: Context): AppDatabase {
+            return Room.databaseBuilder(
+                    applicationContext,
+                    AppDatabase::class.java, "com.kunzisoft.keepass.database"
+            ).build()
+        }
+    }
+}

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

@@ -0,0 +1,73 @@
+package com.kunzisoft.keepass.app.database
+
+import android.content.Context
+import android.net.Uri
+import com.kunzisoft.keepass.utils.SingletonHolderParameter
+
+class CipherDatabaseAction(applicationContext: Context) {
+
+    private val cipherDatabaseDao =
+            AppDatabase
+                    .getDatabase(applicationContext)
+                    .cipherDatabaseDao()
+
+    fun getCipherDatabase(databaseUri: Uri,
+                          cipherDatabaseResultListener: (CipherDatabaseEntity?) -> Unit) {
+        ActionDatabaseAsyncTask(
+                {
+                    cipherDatabaseDao.getByDatabaseUri(databaseUri.toString())
+                },
+                {
+                    cipherDatabaseResultListener.invoke(it)
+                }
+        ).execute()
+    }
+
+    fun containsCipherDatabase(databaseUri: Uri,
+                               contains: (Boolean) -> Unit) {
+        getCipherDatabase(databaseUri) {
+            contains.invoke(it != null)
+        }
+    }
+
+    fun addOrUpdateCipherDatabase(cipherDatabaseEntity: CipherDatabaseEntity,
+                                  cipherDatabaseResultListener: (() -> Unit)? = null) {
+        ActionDatabaseAsyncTask(
+                {
+                    val cipherDatabaseRetrieve = cipherDatabaseDao.getByDatabaseUri(cipherDatabaseEntity.databaseUri)
+
+                    // Update values if element not yet in the database
+                    if (cipherDatabaseRetrieve == null) {
+                        cipherDatabaseDao.add(cipherDatabaseEntity)
+                    } else {
+                        cipherDatabaseDao.update(cipherDatabaseEntity)
+                    }
+                },
+                {
+                    cipherDatabaseResultListener?.invoke()
+                }
+        ).execute()
+    }
+
+    fun deleteByDatabaseUri(databaseUri: Uri,
+                            cipherDatabaseResultListener: (() -> Unit)? = null) {
+        ActionDatabaseAsyncTask(
+                {
+                    cipherDatabaseDao.deleteByDatabaseUri(databaseUri.toString())
+                },
+                {
+                    cipherDatabaseResultListener?.invoke()
+                }
+        ).execute()
+    }
+
+    fun deleteAll() {
+        ActionDatabaseAsyncTask(
+                {
+                    cipherDatabaseDao.deleteAll()
+                }
+        ).execute()
+    }
+
+    companion object : SingletonHolderParameter<CipherDatabaseAction, Context>(::CipherDatabaseAction)
+}

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

@@ -0,0 +1,22 @@
+package com.kunzisoft.keepass.app.database
+
+import androidx.room.*
+
+@Dao
+interface CipherDatabaseDao {
+
+    @Query("SELECT * FROM cipher_database WHERE database_uri = :databaseUriString")
+    fun getByDatabaseUri(databaseUriString: String): CipherDatabaseEntity?
+
+    @Insert
+    fun add(vararg fileDatabaseHistory: CipherDatabaseEntity)
+
+    @Update
+    fun update(vararg fileDatabaseHistory: CipherDatabaseEntity)
+
+    @Query("DELETE FROM cipher_database WHERE database_uri = :databaseUriString")
+    fun deleteByDatabaseUri(databaseUriString: String)
+
+    @Query("DELETE FROM cipher_database")
+    fun deleteAll()
+}

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

@@ -0,0 +1,61 @@
+package com.kunzisoft.keepass.app.database
+
+import android.os.Parcel
+import android.os.Parcelable
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "cipher_database")
+data class CipherDatabaseEntity(
+        @PrimaryKey
+        @ColumnInfo(name = "database_uri")
+        val databaseUri: String,
+
+        @ColumnInfo(name = "encrypted_value")
+        var encryptedValue: String,
+
+        @ColumnInfo(name = "specs_parameters")
+        var specParameters: String
+): Parcelable {
+
+    constructor(parcel: Parcel) : this(
+            parcel.readString()!!,
+            parcel.readString()!!,
+            parcel.readString()!!)
+
+    override fun writeToParcel(parcel: Parcel, flags: Int) {
+        parcel.writeString(databaseUri)
+        parcel.writeString(encryptedValue)
+        parcel.writeString(specParameters)
+    }
+
+    override fun describeContents(): Int {
+        return 0
+    }
+
+    companion object CREATOR : Parcelable.Creator<CipherDatabaseEntity> {
+        override fun createFromParcel(parcel: Parcel): CipherDatabaseEntity {
+            return CipherDatabaseEntity(parcel)
+        }
+
+        override fun newArray(size: Int): Array<CipherDatabaseEntity?> {
+            return arrayOfNulls(size)
+        }
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as CipherDatabaseEntity
+
+        if (databaseUri != other.databaseUri) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        return databaseUri.hashCode()
+    }
+}

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

@@ -0,0 +1,132 @@
+/*
+ * Copyright 2019 Jeremy Jamet / Kunzisoft.
+ *     
+ * This file is part of KeePass DX.
+ *
+ *  KeePass DX is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  KeePass DX is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.kunzisoft.keepass.app.database
+
+import android.content.Context
+import android.net.Uri
+import com.kunzisoft.keepass.utils.SingletonHolderParameter
+import com.kunzisoft.keepass.utils.UriUtil
+
+class FileDatabaseHistoryAction(applicationContext: Context) {
+
+    private val databaseFileHistoryDao =
+            AppDatabase
+                .getDatabase(applicationContext)
+                .fileDatabaseHistoryDao()
+
+    fun getFileDatabaseHistory(databaseUri: Uri,
+                               fileHistoryResultListener: (fileDatabaseHistoryResult: FileDatabaseHistoryEntity?) -> Unit) {
+        ActionDatabaseAsyncTask(
+                {
+                    databaseFileHistoryDao.getByDatabaseUri(databaseUri.toString())
+                },
+                {
+                    fileHistoryResultListener.invoke(it)
+                }
+        ).execute()
+    }
+
+    fun getKeyFileUriByDatabaseUri(databaseUri: Uri,
+                                   keyFileUriResultListener: (Uri?) -> Unit) {
+        ActionDatabaseAsyncTask(
+                {
+                    databaseFileHistoryDao.getByDatabaseUri(databaseUri.toString())
+                },
+                {
+                    it?.let { fileHistoryEntity ->
+                        fileHistoryEntity.keyFileUri?.let { keyFileUri ->
+                            keyFileUriResultListener.invoke(UriUtil.parse(keyFileUri))
+                        }
+                    } ?: keyFileUriResultListener.invoke(null)
+                }
+        ).execute()
+    }
+
+    fun getAllFileDatabaseHistories(fileHistoryResultListener: (fileDatabaseHistoryResult: List<FileDatabaseHistoryEntity>?) -> Unit) {
+        ActionDatabaseAsyncTask(
+                {
+                    databaseFileHistoryDao.getAll()
+                },
+                {
+                    fileHistoryResultListener.invoke(it)
+                }
+        ).execute()
+    }
+
+    fun addOrUpdateDatabaseUri(databaseUri: Uri, keyFileUri: Uri? = null) {
+        addOrUpdateFileDatabaseHistory(FileDatabaseHistoryEntity(
+                databaseUri.toString(),
+                "",
+                keyFileUri?.toString(),
+                System.currentTimeMillis()
+        ), true)
+    }
+
+    fun addOrUpdateFileDatabaseHistory(fileDatabaseHistory: FileDatabaseHistoryEntity, unmodifiedAlias: Boolean = false) {
+        ActionDatabaseAsyncTask(
+                {
+                    val fileDatabaseHistoryRetrieve = databaseFileHistoryDao.getByDatabaseUri(fileDatabaseHistory.databaseUri)
+
+                    if (unmodifiedAlias) {
+                        fileDatabaseHistory.databaseAlias = fileDatabaseHistoryRetrieve?.databaseAlias ?: ""
+                    }
+                    // Update values if history element not yet in the database
+                    if (fileDatabaseHistoryRetrieve == null) {
+                        databaseFileHistoryDao.add(fileDatabaseHistory)
+                    } else {
+                        databaseFileHistoryDao.update(fileDatabaseHistory)
+                    }
+                }
+        ).execute()
+    }
+
+    fun deleteFileDatabaseHistory(fileDatabaseHistory: FileDatabaseHistoryEntity,
+                                  fileHistoryDeletedResult: (FileDatabaseHistoryEntity?) -> Unit) {
+        ActionDatabaseAsyncTask(
+                {
+                    databaseFileHistoryDao.delete(fileDatabaseHistory)
+                },
+                {
+                    if (it != null && it > 0)
+                        fileHistoryDeletedResult.invoke(fileDatabaseHistory)
+                    else
+                        fileHistoryDeletedResult.invoke(null)
+                }
+        ).execute()
+    }
+
+    fun deleteAllKeyFiles() {
+        ActionDatabaseAsyncTask(
+                {
+                    databaseFileHistoryDao.deleteAllKeyFiles()
+                }
+        ).execute()
+    }
+
+    fun deleteAll() {
+        ActionDatabaseAsyncTask(
+                {
+                    databaseFileHistoryDao.deleteAll()
+                }
+        ).execute()
+    }
+
+    companion object : SingletonHolderParameter<FileDatabaseHistoryAction, Context>(::FileDatabaseHistoryAction)
+}

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

@@ -0,0 +1,27 @@
+package com.kunzisoft.keepass.app.database
+
+import androidx.room.*
+
+@Dao
+interface FileDatabaseHistoryDao {
+    @Query("SELECT * FROM file_database_history ORDER BY updated DESC")
+    fun getAll(): List<FileDatabaseHistoryEntity>
+
+    @Query("SELECT * FROM file_database_history WHERE database_uri = :databaseUriString")
+    fun getByDatabaseUri(databaseUriString: String): FileDatabaseHistoryEntity?
+
+    @Insert
+    fun add(vararg fileDatabaseHistory: FileDatabaseHistoryEntity)
+
+    @Update
+    fun update(vararg fileDatabaseHistory: FileDatabaseHistoryEntity)
+
+    @Delete
+    fun delete(fileDatabaseHistory: FileDatabaseHistoryEntity): Int
+
+    @Query("UPDATE file_database_history SET keyfile_uri=null")
+    fun deleteAllKeyFiles()
+
+    @Query("DELETE FROM file_database_history")
+    fun deleteAll()
+}

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

@@ -0,0 +1,36 @@
+package com.kunzisoft.keepass.app.database
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "file_database_history")
+data class FileDatabaseHistoryEntity(
+        @PrimaryKey
+        @ColumnInfo(name = "database_uri")
+            val databaseUri: String,
+
+        @ColumnInfo(name = "database_alias")
+            var databaseAlias: String,
+
+        @ColumnInfo(name = "keyfile_uri")
+            var keyFileUri: String?,
+
+        @ColumnInfo(name = "updated")
+            val updated: Long
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as FileDatabaseHistoryEntity
+
+        if (databaseUri != other.databaseUri) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        return databaseUri.hashCode()
+    }
+}

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

@@ -26,7 +26,7 @@ import android.content.Intent
 import android.os.Build
 import android.service.autofill.Dataset
 import android.service.autofill.FillResponse
-import android.support.annotation.RequiresApi
+import androidx.annotation.RequiresApi
 import android.util.Log
 import android.view.autofill.AutofillManager
 import android.view.autofill.AutofillValue

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

@@ -26,8 +26,8 @@ import android.content.Intent
 import android.content.IntentSender
 import android.os.Build
 import android.os.Bundle
-import android.support.annotation.RequiresApi
-import android.support.v7.app.AppCompatActivity
+import androidx.annotation.RequiresApi
+import androidx.appcompat.app.AppCompatActivity
 import com.kunzisoft.keepass.activities.FileDatabaseSelectActivity
 import com.kunzisoft.keepass.activities.GroupActivity
 import com.kunzisoft.keepass.database.element.Database
@@ -56,6 +56,7 @@ class AutofillLauncherActivity : AppCompatActivity() {
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         AutofillHelper.onActivityResultSetResultAndFinish(this, requestCode, resultCode, data)
+        super.onActivityResult(requestCode, resultCode, data)
     }
 
     companion object {

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

@@ -22,7 +22,7 @@ package com.kunzisoft.keepass.autofill
 import android.os.Build
 import android.os.CancellationSignal
 import android.service.autofill.*
-import android.support.annotation.RequiresApi
+import androidx.annotation.RequiresApi
 import android.util.Log
 import android.widget.RemoteViews
 import com.kunzisoft.keepass.R