Moving to newer SDK and build framework.

app/.gitignore

@@ -0,0 +1 @@
+/build

app/build.gradle

@@ -1,4 +1,6 @@
-apply plugin: 'com.android.application'
+plugins {
+    id 'com.android.application'
+}
 
 //
 //	Creates version.xml	
@@ -35,64 +37,48 @@ preBuild.dependsOn createVersionXML
 //
 //	Convert SVG images from art directory into PNG files.
 //
-task generateDrawablesFromArt {
-	doLast {
-		def buildDir = (new File(project.buildDir,'art')).toString()
-        def p = ('make -C app/src/main/art RES=../res TMP='+buildDir).execute()
-		p.consumeProcessOutput()
-		p.waitFor()
-		if ( p.exitValue() )
-			throw new GradleException("Generation of art failed.")
-	}
-}
-preBuild.dependsOn generateDrawablesFromArt
+//task generateDrawablesFromArt {
+//	doLast {
+//		def buildDir = (new File(project.buildDir,'art')).toString()
+//        def p = ('make -C app/src/main/art RES=../res TMP='+buildDir).execute()
+//		p.consumeProcessOutput()
+//		p.waitFor()
+//		if ( p.exitValue() )
+//			throw new GradleException("Generation of art failed.")
+//	}
+//}
+//preBuild.dependsOn generateDrawablesFromArt
 
 android {
-    compileSdkVersion 10
-    buildToolsVersion "21.1.1"
+    compileSdk 31
 
     defaultConfig {
-        applicationId "org.vostan.sokoban"
-        minSdkVersion 10
-        targetSdkVersion 14
+        applicationId "org.vostan.banvor"
+        minSdk 21
+        targetSdk 31
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
-    apply from: new File(getRootDir(),'/.secret.gradle')
+
     buildTypes {
         release {
-            runProguard true
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-project.txt'
-            signingConfig signingConfigs.sokoban_release
-        }
-
-        debug {
-            applicationIdSuffix ".debug"
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
-
-    sourceSets {
-        /*
-        main {
-            java.srcDirs = ['src']
-
-            resources.srcDirs = ['src']
-            aidl.srcDirs = ['src']
-
-            renderscript.srcDirs = ['src']
-
-            res.srcDirs = ['res']
-            assets.srcDirs = ['assets']
-
-        }
-        */
-        debug {
-            main.manifest.srcFile "src/main/AndroidManifest-debug.xml"
-        }
-        androidTest.setRoot("src/tests")
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
     }
 }
 
-//repositories {}
-
 dependencies {
-    compile 'com.android.support:support-v4:18.0.0'
+
+    implementation 'androidx.appcompat:appcompat:1.3.1'
+    implementation 'com.google.android.material:material:1.4.0'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
 }

app/proguard-project.txt

@@ -1,20 +0,0 @@
-# To enable ProGuard in your project, edit project.properties
-# to define the proguard.config property as described in that file.
-#
-# Add project specific ProGuard rules here.
-# By default, the flags in this file are appended to flags specified
-# in ${sdk.dir}/tools/proguard/proguard-android.txt
-# You can edit the include path and order by changing the ProGuard
-# include property in project.properties.
-#
-# For more details, see
-#   http://developer.android.com/guide/developing/tools/proguard.html
-
-# Add any project specific keep options here:
-
-# If your project uses WebView with JS, uncomment the following
-# and specify the fully qualified class name to the JavaScript interface
-# class:
-#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
-#   public *;
-#}

app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/org/vostan/banvor/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package org.vostan.banvor;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("org.vostan.banvor", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

@@ -1,30 +1,31 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-      package="org.vostan.sokoban"
-      android:versionCode="0x00010001"
+      package="org.vostan.banvor"
       android:versionName="@string/git_version">
-    <uses-sdk android:minSdkVersion="10" 
-			  android:targetSdkVersion="14"/>
-    <application android:label="@string/app_name" 
+    <!--uses-sdk android:minSdkVersion="10"
+			  android:targetSdkVersion="14"/-->
+    <application android:label="@string/app_name"
 				 android:icon="@drawable/icon"
-				 android:name="org.vostan.sokoban.App"
+				 android:roundIcon="@drawable/icon"
+				 android:name="org.vostan.banvor.App"
 				 android:theme="@android:style/Theme">
-        <activity	android:name="org.vostan.sokoban.menu.MainActivity"
+        <activity	android:name="org.vostan.banvor.menu.MainActivity"
 					android:label="@string/app_name"
 					android:configChanges="keyboardHidden|orientation"
-					android:screenOrientation="portrait" >
+					android:screenOrientation="portrait"
+					android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity 	android:name="org.vostan.sokoban.play.PlayActivity"
+        <activity 	android:name="org.vostan.banvor.play.PlayActivity"
 					android:label="@string/play_activity"
 					android:configChanges="keyboardHidden|orientation"
 					android:screenOrientation="portrait" >
 	        <meta-data
 	            android:name="android.support.PARENT_ACTIVITY"
-	            android:value="org.vostan.sokoban.MainMenu" />
+	            android:value="org.vostan.banvor.MainMenu" />
         </activity>
     </application>
 </manifest> 

app/src/main/java/org/vostan/banvor/App.java

@@ -1,4 +1,4 @@
-package org.vostan.sokoban;
+package org.vostan.banvor;
 
 import android.app.Application;
 import android.content.SharedPreferences;

app/src/main/java/org/vostan/banvor/Puzzle.java

@@ -1,4 +1,4 @@
-package org.vostan.sokoban;
+package org.vostan.banvor;
 
 //import java.lang.Exception;
 import java.io.*;
@@ -7,7 +7,7 @@ import android.util.Log;
 
 import java.util.LinkedList;
 
-import static org.vostan.sokoban.App.TAG;
+import static org.vostan.banvor.App.TAG;
 
 public class Puzzle
 {

app/src/main/java/org/vostan/banvor/PuzzleContainer.java

@@ -1,10 +1,10 @@
-package org.vostan.sokoban;
+package org.vostan.banvor;
 
 import java.io.InputStream;
 import java.io.IOException;
-import static org.vostan.sokoban.App.theApp;
+import static org.vostan.banvor.App.theApp;
 
-import org.vostan.sokoban.R;
+import org.vostan.banvor.R;
 
 public class PuzzleContainer
 {

app/src/main/java/org/vostan/banvor/menu/MainActivity.java

@@ -1,19 +1,22 @@
-package org.vostan.sokoban.menu;
+package org.vostan.banvor.menu;
 
-import org.vostan.sokoban.play.PlayActivity;
+import org.vostan.banvor.play.PlayActivity;
 
 import android.content.Intent;
 import android.view.View;
 import android.os.Bundle;
-import android.support.v4.app.FragmentActivity;
-import android.support.v4.app.FragmentManager;
-import android.support.v4.app.FragmentTransaction;
+//import androidx.fragment.app.Fragment;
+//support.v4.app.FragmentActivity;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
 import android.view.Window;
 
-import org.vostan.sokoban.R;
-import static org.vostan.sokoban.App.theApp;
+import androidx.appcompat.app.AppCompatActivity;
 
-public class MainActivity extends FragmentActivity 
+import org.vostan.banvor.R;
+import static org.vostan.banvor.App.theApp;
+
+public class MainActivity extends AppCompatActivity
 {
 	protected final String TAG = "SokobanMenu";
 	protected final String LEVEL= "org.dyndns.vahagn.sokoban.LEVEL";

app/src/main/java/org/vostan/banvor/menu/MainFragment.java

@@ -2,17 +2,17 @@
  * To change this template, choose Tools | Templates
  * and open the template in the editor.
  */
-package org.vostan.sokoban.menu;
+package org.vostan.banvor.menu;
 
 import android.os.Bundle;
-import android.support.v4.app.Fragment;
+import androidx.fragment.app.Fragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.TextView;
-import static org.vostan.sokoban.App.theApp;
-import org.vostan.sokoban.R;
+import static org.vostan.banvor.App.theApp;
+import org.vostan.banvor.R;
 
 /**
  *

app/src/main/java/org/vostan/banvor/menu/PuzzleListFragment.java

@@ -2,7 +2,7 @@
  * To change this template, choose Tools | Templates
  * and open the template in the editor.
  */
-package org.vostan.sokoban.menu;
+package org.vostan.banvor.menu;
 
 import android.content.Context;
 import android.graphics.Bitmap;
@@ -12,7 +12,7 @@ import android.graphics.Color;
 import android.graphics.Paint;
 import android.graphics.Rect;
 import android.os.Bundle;
-import android.support.v4.app.Fragment;
+import androidx.fragment.app.Fragment;
 import android.util.TypedValue;
 import android.view.GestureDetector;
 import android.view.LayoutInflater;
@@ -24,9 +24,9 @@ import android.widget.BaseAdapter;
 import android.widget.GridView;
 import android.widget.ImageView;
 
-import org.vostan.sokoban.R;
+import org.vostan.banvor.R;
 
-import static org.vostan.sokoban.App.theApp;
+import static org.vostan.banvor.App.theApp;
 
 /**
  *

app/src/main/java/org/vostan/banvor/play/Animator.java

@@ -2,9 +2,9 @@
  * To change this template, choose Tools | Templates
  * and open the template in the editor.
  */
-package org.vostan.sokoban.play;
+package org.vostan.banvor.play;
 
-import android.support.v4.view.ViewCompat;
+import androidx.core.view.ViewCompat;
 import java.util.LinkedList;
 
 /**

app/src/main/java/org/vostan/banvor/play/PlayActivity.java

@@ -1,11 +1,11 @@
-package org.vostan.sokoban.play;
+package org.vostan.banvor.play;
 
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.v4.app.DialogFragment;
-import android.support.v4.app.FragmentActivity;
+import androidx.fragment.app.DialogFragment;
+import androidx.fragment.app.FragmentActivity;
 import android.view.View;
 import android.view.Window;
 import android.view.animation.Animation;
@@ -13,11 +13,11 @@ import android.view.animation.AnimationUtils;
 import android.widget.FrameLayout;
 import android.widget.TextView;
 
-import org.vostan.sokoban.App;
+import org.vostan.banvor.App;
 
-import static org.vostan.sokoban.App.theApp;
-import org.vostan.sokoban.R;
-import org.vostan.sokoban.Puzzle;
+import static org.vostan.banvor.App.theApp;
+import org.vostan.banvor.R;
+import org.vostan.banvor.Puzzle;
 
 public class PlayActivity extends FragmentActivity
 							implements PuzzleControl.PuzzleControlLister

app/src/main/java/org/vostan/banvor/play/PuzzleControl.java

@@ -2,14 +2,14 @@
  * To change this template, choose Tools | Templates
  * and open the template in the editor.
  */
-package org.vostan.sokoban.play;
+package org.vostan.banvor.play;
 
 import android.content.Context;
 import android.graphics.Point;
 import android.view.GestureDetector;
 import android.view.MotionEvent;
 import android.view.ScaleGestureDetector;
-import org.vostan.sokoban.Puzzle;
+import org.vostan.banvor.Puzzle;
 
 //import android.support.v4.view.GestureDetectorCompat;
 

app/src/main/java/org/vostan/banvor/play/PuzzleLogic.java

@@ -2,11 +2,11 @@
  * To change this template, choose Tools | Templates
  * and open the template in the editor.
  */
-package org.vostan.sokoban.play;
+package org.vostan.banvor.play;
 
 import static java.lang.Math.*;
 import java.util.Arrays;
-import org.vostan.sokoban.Puzzle;
+import org.vostan.banvor.Puzzle;
 
 /**
  *

app/src/main/java/org/vostan/banvor/play/PuzzleView.java

@@ -1,4 +1,4 @@
-package org.vostan.sokoban.play;
+package org.vostan.banvor.play;
 
 import android.content.Context;
 import android.graphics.Bitmap;
@@ -9,13 +9,13 @@ import android.graphics.Paint;
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.graphics.RectF;
-import android.support.v4.view.ViewCompat;
+import androidx.core.view.ViewCompat;
 import android.view.View;
 import static java.lang.Math.*;
 
-import org.vostan.sokoban.Puzzle;
-import static org.vostan.sokoban.Puzzle.*;
-import org.vostan.sokoban.R;
+import org.vostan.banvor.Puzzle;
+import static org.vostan.banvor.Puzzle.*;
+import org.vostan.banvor.R;
 
 /**
  */

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

app/src/main/res/values-night/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Banvor" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_200</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/black</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_200</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

app/src/main/res/values/colors.xml

@@ -20,4 +20,11 @@
 <resources>
     <color name="main_menu_btn_bg">#80404040</color>
     <color name="main_menu_btn_text">#C0C0C0C0</color>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
 </resources>

app/src/main/res/values/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Banvor" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

app/src/test/java/org/vostan/banvor/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package org.vostan.banvor;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}