init

.gitignore

@@ -0,0 +1,15 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

app/.gitignore

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

app/build.gradle

@@ -0,0 +1,42 @@
+plugins {
+    id 'com.android.application'
+}
+
+android {
+    namespace 'com.jerryxiao.droidcast'
+    compileSdk 33
+
+    defaultConfig {
+        applicationId "com.jerryxiao.droidcast"
+        minSdk 29
+        targetSdk 33
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.appcompat:appcompat:1.4.1'
+    implementation 'com.google.android.material:material:1.5.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
+    implementation 'androidx.preference:preference:1.2.0'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+
+    implementation 'com.github.pedroSG94.rtmp-rtsp-stream-client-java:rtplibrary:2.2.6'
+}

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/com/jerryxiao/droidcast/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package com.jerryxiao.droidcast;
+
+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("com.jerryxiao.droidcast", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.DroidCast"
+        tools:targetApi="33">
+
+        <service
+            android:name=".ScreenCapService"
+            android:enabled="true"
+            android:exported="false"
+            android:foregroundServiceType="mediaProjection" />
+
+        <activity
+            android:name=".MainActivity"
+            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=".SettingsActivity"
+            android:exported="false"
+            android:label="@string/title_activity_settings">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".MainActivity" />
+        </activity>
+
+    </application>
+
+</manifest>

app/src/main/java/com/jerryxiao/droidcast/MainActivity.java

@@ -0,0 +1,149 @@
+package com.jerryxiao.droidcast;
+
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.preference.PreferenceManager;
+
+import android.content.ComponentName;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.IBinder;
+import android.util.Log;
+import android.widget.Button;
+import android.widget.TextView;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class MainActivity extends AppCompatActivity {
+    private static final String TAG = "MainActivity";
+    private ActivityResultLauncher<Intent> screenCapReq;
+    private ScreenCapService screenCapService;
+    private SharedPreferences prefs;
+    private final ServiceConnection serviceConnection = new ServiceConnection() {
+        private void updateButtonText(boolean connected) {
+            Log.d(TAG, String.format("updateButtonText: %b", connected));
+            runOnUiThread(() -> {
+                ((Button)MainActivity.this.findViewById(R.id.startButton)).setText(connected
+                        ? getString(R.string.stop_button)
+                        : getString(R.string.start_button));
+            });
+        }
+        private void updateInfoDisplay(String t) {
+            Log.d(TAG, String.format("updateInfoDisplay: %s", t));
+            runOnUiThread(() -> {
+                ((TextView)MainActivity.this.findViewById(R.id.infoDisplay)).setText(t);
+            });
+        }
+        public void onServiceConnected(ComponentName componentName, IBinder binder) {
+            Log.d(TAG, "service connected");
+            MainActivity.this.screenCapService = ((ScreenCapService.MBinder)binder).getService();
+            MainActivity.this.screenCapService.addConnectionStateCallback(this::updateButtonText);
+            MainActivity.this.screenCapService.addInfoDisplayCallback(this::updateInfoDisplay);
+            this.updateButtonText(MainActivity.this.screenCapService != null && MainActivity.this.screenCapService.isConnected());
+            this.updateInfoDisplay(MainActivity.this.screenCapService.getInfoDisplayText());
+        }
+
+        public void onServiceDisconnected(ComponentName componentName) {
+            Log.d(TAG, "service disconnected");
+            MainActivity.this.screenCapService.removeConnectionStateCallback(this::updateButtonText);
+            MainActivity.this.screenCapService.removeInfoDisplayCallback(this::updateInfoDisplay);
+        }
+    };
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        Log.d(TAG, "activity created");
+        this.prefs = PreferenceManager.getDefaultSharedPreferences(this);
+        setContentView(R.layout.main_activity);
+        Map<String, String> permissionsToRequest = new HashMap<>();
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            permissionsToRequest.putAll(Map.of("android.permission.POST_NOTIFICATIONS",
+                    getString(R.string.permission_denied_post_notifications)));
+        }
+        else if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.S_V2) {
+            permissionsToRequest.putAll(Map.of("android.permission.RECORD_AUDIO",
+                    getString(R.string.permission_denied_record_audio)));
+        }
+        permissionsToRequest.entrySet().removeIf(i -> checkSelfPermission(i.getKey()) == PackageManager.PERMISSION_GRANTED);
+        if (!permissionsToRequest.isEmpty()) {
+            Log.d(TAG, String.format("requesting permissions %s", String.join(" + ", permissionsToRequest.keySet().toArray(new String[0]))));
+            ActivityResultLauncher<String[]> permissionReq = registerForActivityResult(new ActivityResultContracts.RequestMultiplePermissions(), (result) -> {
+                result.forEach((perm, granted) -> {
+                    if (!granted) {
+                        Log.d(TAG, String.format("permission denied: %s", perm));
+                        (new AlertDialog.Builder(this))
+                                .setTitle(getText(R.string.error_title))
+                                .setMessage(permissionsToRequest.get(perm))
+                                .setCancelable(false)
+                                .setPositiveButton(getString(R.string.button_ok), (dialog, id) -> {})
+                                .create()
+                                .show();
+                    }
+                });
+            });
+            permissionReq.launch(permissionsToRequest.keySet().toArray(new String[0]));
+        }
+        this.screenCapReq = registerForActivityResult(new ActivityResultContracts.StartActivityForResult(), (activityResult) -> {
+            int result = activityResult.getResultCode();
+            screenCapService.getScreenCapDisplay().setIntentResult(result, activityResult.getData());
+            if (result == RESULT_OK) {
+                Log.d(TAG, "capture granted");
+                screenCapService.startCapture(prefs.getString("server", ""));
+            }
+            else {
+                runOnUiThread(() -> {
+                    Log.d(TAG, "capture denied");
+                    (new AlertDialog.Builder(this))
+                            .setTitle(getText(R.string.error_title))
+                            .setMessage(getText(R.string.error_capture_denied))
+                            .setCancelable(false)
+                            .setPositiveButton(getString(R.string.button_ok), (dialog, id) -> {})
+                            .create()
+                            .show();
+                });
+            }
+        });
+        bindService(new Intent(this, ScreenCapService.class), serviceConnection, BIND_AUTO_CREATE);
+        ((Button)this.findViewById(R.id.startButton)).setOnClickListener((view) -> {
+            if (screenCapService != null) {
+                if (screenCapService.isConnected()) {
+                    Log.d(TAG, "button stop");
+                    new Thread(() -> { if (screenCapService.getScreenCapDisplay() != null) screenCapService.getScreenCapDisplay().stopStream(); }).start();
+                }
+                else {
+                    Log.d(TAG, "button start");
+                    MainActivity.this.screenCapService.createDisplay();
+                    MainActivity.this.screenCapReq.launch(MainActivity.this.screenCapService.getScreenCapDisplay().sendIntent());
+                }
+            }
+            else {
+                Log.e(TAG, "service died");
+                (new AlertDialog.Builder(this))
+                        .setTitle(getText(R.string.error_title))
+                        .setMessage(getText(R.string.error_service_died))
+                        .setCancelable(false)
+                        .setPositiveButton(getString(R.string.button_ok), (dialog, id) -> {})
+                        .create()
+                        .show();
+            }
+        });
+        ((Button)this.findViewById(R.id.settingsButton)).setOnClickListener((view) -> {
+            startActivity(new Intent(this, SettingsActivity.class));
+        });
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        Log.d(TAG, "activity destroyed");
+        unbindService(serviceConnection);
+        this.screenCapService = null;
+    }
+}

app/src/main/java/com/jerryxiao/droidcast/ScreenCapService.java

@@ -0,0 +1,237 @@
+package com.jerryxiao.droidcast;
+
+import static androidx.core.app.NotificationCompat.PRIORITY_LOW;
+
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.app.Service;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.content.pm.ServiceInfo;
+import android.graphics.Point;
+import android.os.Binder;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.Looper;
+import android.util.Log;
+import android.view.WindowManager;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.core.app.NotificationCompat;
+import androidx.preference.PreferenceManager;
+
+import com.pedro.encoder.utils.CodecUtil;
+import com.pedro.rtmp.utils.ConnectCheckerRtmp;
+import com.pedro.rtplibrary.rtmp.RtmpDisplay;
+
+import java.util.HashSet;
+import java.util.function.Consumer;
+
+public class ScreenCapService extends Service {
+    private static final String TAG = "ScreenCapService";
+    private static final int RESOLUTION_GAP = 100000;
+    private final HashSet<Consumer<Boolean>> connectionStateCallbacks = new HashSet<>();
+    private final HashSet<Consumer<String>> infoDisplayCallbacks = new HashSet<>();
+    private SharedPreferences prefs;
+
+    private boolean connected = false;
+    public boolean isConnected() {
+        return connected;
+    }
+
+    protected class MBinder extends Binder {
+        public ScreenCapService getService() {
+            return ScreenCapService.this;
+        }
+    }
+
+    private final IBinder mBinder = new MBinder();
+    private RtmpDisplay screenCapDisplay;
+
+    public RtmpDisplay getScreenCapDisplay() {
+        return this.screenCapDisplay;
+    }
+    private String infoDisplayText = "";
+    public String getInfoDisplayText() {
+        return infoDisplayText;
+    }
+
+    public IBinder onBind(Intent intent) {
+        return this.mBinder;
+    }
+
+    public void onCreate() {
+        super.onCreate();
+        Log.d(TAG, "service created");
+        this.prefs = PreferenceManager.getDefaultSharedPreferences(this);
+        this.infoDisplayText = getString(R.string.status_disconnected);
+    }
+
+    public void onDestroy() {
+        super.onDestroy();
+        Log.d(TAG, "service destroyed");
+    }
+
+    protected void createDisplay() {
+        boolean use_gl = prefs.getBoolean("use_gl", true);
+        Log.d(TAG, String.format("creating display use_gl=%b", use_gl));
+        this.screenCapDisplay = new RtmpDisplay(this, use_gl, new ConnectCheckerRtmp() {
+            public void onAuthErrorRtmp() {
+                String text = getString(R.string.status_auth_error);
+                showToast(text);
+                setInfoDisplay(text);
+                ScreenCapService.this.stop();
+            }
+
+            public void onAuthSuccessRtmp() {
+                setInfoDisplay(getString(R.string.status_auth_success));
+            }
+
+            public void onConnectionFailedRtmp(@NonNull String reason) {
+                String text = getString(R.string.status_connection_failed_format, reason);
+                showToast(text);
+                setInfoDisplay(text);
+                ScreenCapService.this.stop();
+            }
+
+            public void onConnectionStartedRtmp(@NonNull String rtmpUrl) {
+                setInfoDisplay(getString(R.string.status_connecting, rtmpUrl));
+                ScreenCapService.this.connectionStateChange(true);
+            }
+
+            public void onConnectionSuccessRtmp() {
+                setInfoDisplay(getString(R.string.status_connected));
+            }
+
+            public void onDisconnectRtmp() {
+                setInfoDisplay(getString(R.string.status_disconnected));
+                ScreenCapService.this.stop();
+            }
+
+            public void onNewBitrateRtmp(long bitrate) {
+                setInfoDisplay(getString(R.string.status_bitrate_format, bitrate));
+            }
+        });
+    }
+
+    protected void startCapture(String server) {
+        if (this.connected) {
+            Log.d(TAG, "not starting capture");
+            return;
+        }
+        Log.d(TAG, "start capture");
+        startService(new Intent(this, ScreenCapService.class));
+        this.connected = true;
+        NotificationChannel notificationChannel = new NotificationChannel("notifications", "Notifications", NotificationManager.IMPORTANCE_LOW);
+        notificationChannel.setDescription("Notifications");
+        getSystemService(NotificationManager.class).createNotificationChannel(notificationChannel);
+        NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this, "notifications");
+        notificationBuilder.setChannelId("notifications").setContentTitle("DroidCast").setContentText("Streaming")
+                .setContentIntent(PendingIntent.getActivity(this, 0, new Intent(this, MainActivity.class), PendingIntent.FLAG_IMMUTABLE))
+                .setSmallIcon(R.drawable.ic_launcher_foreground).setOngoing(true).setPriority(PRIORITY_LOW);
+        this.startForeground(1, notificationBuilder.build(), ServiceInfo.FOREGROUND_SERVICE_TYPE_MEDIA_PROJECTION);
+
+        screenCapDisplay.setForce(prefs.getBoolean("software_video_encoder", false) ? CodecUtil.Force.SOFTWARE : CodecUtil.Force.FIRST_COMPATIBLE_FOUND,
+                prefs.getBoolean("software_audio_encoder", false) ? CodecUtil.Force.SOFTWARE : CodecUtil.Force.FIRST_COMPATIBLE_FOUND);
+        screenCapDisplay.setWriteChunkSize(prefs.getInt("write_chunk_size_int", 1024));
+        screenCapDisplay.setReTries(prefs.getInt("retries_int", 0));
+        screenCapDisplay.resizeCache(prefs.getInt("cache_size_int", 120));
+        screenCapDisplay.setLogs(prefs.getBoolean("enable_lib_logs", true));
+        if (prefs.getBoolean("use_gl", true) && prefs.getBoolean("use_force_render", true)) {
+            screenCapDisplay.getGlInterface().setForceRender(true);
+        }
+        int video_combined = 192001080;
+        try {
+            video_combined = Integer.parseInt(prefs.getString("resolution", "match_device"));
+        }
+        catch (NumberFormatException e) {
+            Point resolution = new Point();
+            ((WindowManager)getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay().getRealSize(resolution);
+            assert resolution.x < RESOLUTION_GAP && resolution.y < RESOLUTION_GAP;
+            video_combined = resolution.x * RESOLUTION_GAP + resolution.y;
+        }
+        int video_width = video_combined / RESOLUTION_GAP;
+        int video_height = video_combined % RESOLUTION_GAP;
+        if (prefs.getBoolean("screen_landscape", true) != video_width > video_height) {
+            int tmp = video_height;
+            video_height = video_width;
+            video_width = tmp;
+        }
+        Log.d(TAG, String.format("capture width %d height %d", video_width, video_height));
+        if (this.screenCapDisplay.prepareInternalAudio(Integer.parseInt(prefs.getString("audio_bitrate", "131072")), 48000, prefs.getBoolean("stereo_audio", true), false, false) &&
+                this.screenCapDisplay.prepareVideo(video_width, video_height, Integer.parseInt(prefs.getString("fps", "30")), Integer.parseInt(prefs.getString("video_bitrate", "10485760")), 0, 320, -1, -1, 2)) {
+            this.screenCapDisplay.startStream(server);
+        }
+        else {
+            Log.d(TAG, "cannot prepare video audio");
+            String text = getString(R.string.error_prepare_video_audio);
+            setInfoDisplay(text);
+            showToast(text);
+            this.stop();
+        }
+    }
+
+    private void stop() {
+        Log.d(TAG, "stop called");
+        this.connected = false;
+        this.stopForeground(true);
+        this.stopSelf();
+        this.connectionStateChange(false);
+    }
+
+    private void connectionStateChange(boolean connected) {
+        synchronized (this.connectionStateCallbacks) {
+            for (Consumer<Boolean> booleanConsumer : this.connectionStateCallbacks) {
+                try {
+                    booleanConsumer.accept(connected);
+                }
+                catch (Throwable ignored) {}
+            }
+        }
+    }
+
+    protected void addConnectionStateCallback(Consumer<Boolean> runnable) {
+        synchronized (this.connectionStateCallbacks) {
+            this.connectionStateCallbacks.add(runnable);
+        }
+    }
+
+    protected void addInfoDisplayCallback(Consumer<String> stringConsumer) {
+        synchronized (this.infoDisplayCallbacks) {
+            this.infoDisplayCallbacks.add(stringConsumer);
+        }
+    }
+
+    protected void removeConnectionStateCallback(Consumer<Boolean> runnable) {
+        synchronized (this.connectionStateCallbacks) {
+            this.connectionStateCallbacks.remove(runnable);
+        }
+    }
+
+    protected void removeInfoDisplayCallback(Consumer<String> stringConsumer) {
+        synchronized (this.infoDisplayCallbacks) {
+            this.infoDisplayCallbacks.remove(stringConsumer);
+        }
+    }
+
+    private void setInfoDisplay(String t) {
+        synchronized (this.infoDisplayCallbacks) {
+            this.infoDisplayText = t;
+            for (Consumer<String> stringConsumer : this.infoDisplayCallbacks) {
+                try {
+                    stringConsumer.accept(t);
+                }
+                catch (Throwable ignored) {}
+            }
+        }
+    }
+
+    private void showToast(String text) {
+        (new Handler(Looper.getMainLooper())).post(() -> {
+            Toast.makeText(ScreenCapService.this, text, Toast.LENGTH_SHORT).show();
+        });
+    }
+}

app/src/main/java/com/jerryxiao/droidcast/SettingsActivity.java

@@ -0,0 +1,39 @@
+package com.jerryxiao.droidcast;
+
+import android.os.Bundle;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.preference.PreferenceFragmentCompat;
+
+public class SettingsActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.settings_activity);
+        if (savedInstanceState == null) {
+            getSupportFragmentManager()
+                    .beginTransaction()
+                    .replace(R.id.settings_frame, new SettingsFragment())
+                    .commit();
+        }
+        ActionBar actionBar = getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+    }
+
+    @Override
+    public boolean onSupportNavigateUp() {
+        onBackPressed();
+        return true;
+    }
+
+    public static class SettingsFragment extends PreferenceFragmentCompat {
+        @Override
+        public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+            setPreferencesFromResource(R.xml.preferences, rootKey);
+        }
+    }
+}

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/layout/main_activity.xml

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.4">
+
+        <Button
+            android:id="@+id/startButton"
+            android:layout_width="128dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="32dp"
+            android:text="@string/start_button"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.5"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/infoDisplay" />
+
+        <Button
+            android:id="@+id/settingsButton"
+            android:layout_width="128dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:text="@string/settings_button"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.5"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/startButton" />
+
+        <TextView
+            android:id="@+id/infoDisplay"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="0dp"
+            android:text = "@string/status_disconnected"
+            android:gravity="center"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.5"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/settings_activity.xml

@@ -0,0 +1,9 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <FrameLayout
+        android:id="@+id/settings_frame"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</LinearLayout>

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

@@ -0,0 +1,6 @@
+<?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" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

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

@@ -0,0 +1,6 @@
+<?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" />
+    <monochrome 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.DroidCast" 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">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

app/src/main/res/values-zh-rCN/strings.xml

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">DroidCast</string>
+    <string name="title_activity_settings">DroidCast 设置</string>
+    <string name="server_header">服务器设置</string>
+    <string name="server_title">服务器</string>
+    <string name="recording_header">录像设置</string>
+    <string name="resolution_title">分辨率</string>
+    <string name="fps_title">每秒帧数</string>
+    <string name="opengl_title">使用OpenGL</string>
+    <string name="force_render_title">非活动时低帧率替代解决办法</string>
+    <string name="stereo_audio_title">双声道音频</string>
+    <string name="screen_landscape_title">横屏</string>
+    <string name="software_video_encoder_title">使用软件视频编码器</string>
+    <string name="software_audio_encoder_title">使用软件音频编码器</string>
+    <string name="network_header">网络设置</string>
+    <string name="video_bitrate_title">视频比特率</string>
+    <string name="audio_bitrate_title">音频比特率</string>
+    <string name="hint_rtmp">rtmp://</string>
+    <string name="start_button">开始</string>
+    <string name="stop_button">停止</string>
+    <string name="settings_button">设置</string>
+    <string name="error_title">发生错误</string>
+    <string name="error_service_died">服务终止</string>
+    <string name="error_prepare_video_audio">未能开始视频与音频录制</string>
+    <string name="error_capture_denied">录像被禁止</string>
+    <string name="status_connecting">正在连接到 %1$s</string>
+    <string name="status_auth_error">鉴权失败</string>
+    <string name="status_auth_success">鉴权成功</string>
+    <string name="status_connected">已连接</string>
+    <string name="status_disconnected">未连接</string>
+    <string name="status_bitrate_format">比特率: %1$d</string>
+    <string name="status_connection_failed_format">连接失败: %1$s</string>
+    <string name="use_device_resolution">使用设备分辨率</string>
+    <string name="permission_denied_post_notifications">通知权限被禁止</string>
+    <string name="permission_denied_record_audio">录音权限被禁止，在安卓12-上内录音频时这项权限是必需的</string>
+    <string name="button_ok">好</string>
+    <string name="misc_header">杂项</string>
+    <string name="enable_lib_logs_title">开启库日志</string>
+</resources>

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

@@ -0,0 +1,77 @@
+<resources>
+    <string-array name="resolution_entries">
+        <item>@string/use_device_resolution</item>
+        <item>7680x4320</item>
+        <item>3840x2160</item>
+        <item>2560x1440</item>
+        <item>1920x1080</item>
+        <item>1366x768</item>
+        <item>1280x720</item>
+        <item>854x480</item>
+        <item>426x240</item>
+    </string-array>
+    <string-array name="resolution_values">
+        <item>match_device</item>
+        <item>768004320</item>
+        <item>384002160</item>
+        <item>256001440</item>
+        <item>192001080</item>
+        <item>136600768</item>
+        <item>128000720</item>
+        <item>85400480</item>
+        <item>42600240</item>
+    </string-array>
+
+    <string-array name="fps_entries">
+        <item>120</item>
+        <item>60</item>
+        <item>45</item>
+        <item>30</item>
+        <item>24</item>
+        <item>15</item>
+    </string-array>
+    <string-array name="fps_values">
+        <item>120</item>
+        <item>60</item>
+        <item>45</item>
+        <item>30</item>
+        <item>24</item>
+        <item>15</item>
+    </string-array>
+
+    <string-array name="video_bitrate_entries">
+        <item>100 Mbps</item>
+        <item>50 Mbps</item>
+        <item>20 Mbps</item>
+        <item>10 Mbps</item>
+        <item>5 Mbps</item>
+        <item>1 Mbps</item>
+    </string-array>
+    <string-array name="video_bitrate_values">
+        <item>104857600</item>
+        <item>52428800</item>
+        <item>20971520</item>
+        <item>10485760</item>
+        <item>5242880</item>
+        <item>1048576</item>
+    </string-array>
+
+    <string-array name="audio_bitrate_entries">
+        <item>256 Kbps</item>
+        <item>192 Kbps</item>
+        <item>128 Kbps</item>
+        <item>96 Kbps</item>
+        <item>64 Kbps</item>
+        <item>48 Kbps</item>
+        <item>32 Kbps</item>
+    </string-array>
+    <string-array name="audio_bitrate_values">
+        <item>262144</item>
+        <item>196608</item>
+        <item>131072</item>
+        <item>98304</item>
+        <item>65536</item>
+        <item>49152</item>
+        <item>32768</item>
+    </string-array>
+</resources>

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

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <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/strings.xml

@@ -0,0 +1,44 @@
+<resources>
+    <string name="app_name">DroidCast</string>
+    <string name="title_activity_settings">DroidCast Settings</string>
+
+    <string name="server_header">Servers</string>
+    <string name="server_title">Server</string>
+    <string name="recording_header">Recording</string>
+    <string name="resolution_title">Resolution</string>
+    <string name="fps_title">FPS</string>
+    <string name="opengl_title">Enable OpenGL</string>
+    <string name="force_render_title">Force Render</string>
+    <string name="stereo_audio_title">Stereo Audio</string>
+    <string name="screen_landscape_title">Landscape</string>
+    <string name="software_video_encoder_title">Software video encoding</string>
+    <string name="software_audio_encoder_title">Software audio encoding</string>
+    <string name="network_header">Network</string>
+    <string name="video_bitrate_title">Video Bitrate (bps)</string>
+    <string name="audio_bitrate_title">Audio Bitrate</string>
+
+    <string name="hint_rtmp">rtmp://</string>
+    <string name="start_button">Start</string>
+    <string name="stop_button">Stop</string>
+    <string name="settings_button">Settings</string>
+    <string name="status_connecting">Connecting to %1$s</string>
+    <string name="status_auth_error">Auth Error</string>
+    <string name="status_auth_success">Auth Success</string>
+    <string name="status_connected">Connected</string>
+    <string name="status_disconnected">Disconnected</string>
+    <string name="status_bitrate_format">Bitrate: %1$d</string>
+    <string name="status_connection_failed_format">Connection failed: %1$s</string>
+
+    <string name="use_device_resolution">Use device resolution</string>
+
+    <string name="error_title">Error</string>
+    <string name="error_capture_denied">Capture permission denied</string>
+    <string name="error_service_died">Service died</string>
+    <string name="error_prepare_video_audio">Cannot prepare audio and video</string>
+    <string name="permission_denied_post_notifications">Notification permission denied</string>
+    <string name="permission_denied_record_audio">Audio recording permission denied, on Android 12- this is required for internal audio recording</string>
+
+    <string name="button_ok">OK</string>
+    <string name="misc_header">Misc</string>
+    <string name="enable_lib_logs_title">Enable library logs</string>
+</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.DroidCast" 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">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

app/src/main/res/xml/backup_rules.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>

app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>

app/src/main/res/xml/preferences.xml

@@ -0,0 +1,91 @@
+<PreferenceScreen xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <PreferenceCategory app:title="@string/server_header">
+
+        <EditTextPreference
+            app:key="server"
+            app:title="@string/server_title"
+            app:useSimpleSummaryProvider="true" />
+
+    </PreferenceCategory>
+
+    <PreferenceCategory app:title="@string/recording_header">
+
+        <SwitchPreferenceCompat
+            app:key="screen_landscape"
+            app:title="@string/screen_landscape_title"
+            app:defaultValue="true" />
+
+        <ListPreference
+            app:defaultValue="match_device"
+            app:entries="@array/resolution_entries"
+            app:entryValues="@array/resolution_values"
+            app:key="resolution"
+            app:title="@string/resolution_title"
+            app:useSimpleSummaryProvider="true" />
+
+        <ListPreference
+            app:defaultValue="30"
+            app:entries="@array/fps_entries"
+            app:entryValues="@array/fps_values"
+            app:key="fps"
+            app:title="@string/fps_title"
+            app:useSimpleSummaryProvider="true" />
+
+        <SwitchPreferenceCompat
+            app:key="stereo_audio"
+            app:title="@string/stereo_audio_title"
+            app:defaultValue="true" />
+
+        <SwitchPreferenceCompat
+            app:key="use_gl"
+            app:title="@string/opengl_title"
+            app:defaultValue="true" />
+
+        <SwitchPreferenceCompat
+            app:key="use_force_render"
+            app:title="@string/force_render_title"
+            app:defaultValue="true" />
+
+        <SwitchPreferenceCompat
+            app:key="software_video_encoder"
+            app:title="@string/software_video_encoder_title"
+            app:defaultValue="false" />
+
+        <SwitchPreferenceCompat
+            app:key="software_audio_encoder"
+            app:title="@string/software_audio_encoder_title"
+            app:defaultValue="false" />
+
+    </PreferenceCategory>
+
+    <PreferenceCategory app:title="@string/network_header">
+
+        <ListPreference
+            app:defaultValue="10485760"
+            app:entries="@array/video_bitrate_entries"
+            app:entryValues="@array/video_bitrate_values"
+            app:key="video_bitrate"
+            app:title="@string/video_bitrate_title"
+            app:useSimpleSummaryProvider="true" />
+
+        <ListPreference
+            app:defaultValue="131072"
+            app:entries="@array/audio_bitrate_entries"
+            app:entryValues="@array/audio_bitrate_values"
+            app:key="audio_bitrate"
+            app:title="@string/audio_bitrate_title"
+            app:useSimpleSummaryProvider="true" />
+
+    </PreferenceCategory>
+
+    <PreferenceCategory app:title="@string/misc_header">
+
+        <SwitchPreferenceCompat
+            app:key="enable_lib_logs"
+            app:title="@string/enable_lib_logs_title"
+            app:defaultValue="true" />
+
+    </PreferenceCategory>
+
+</PreferenceScreen>

app/src/test/java/com/jerryxiao/droidcast/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package com.jerryxiao.droidcast;
+
+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);
+    }
+}

build.gradle

@@ -0,0 +1,5 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    id 'com.android.application' version '8.1.0' apply false
+    id 'com.android.library' version '8.1.0' apply false
+}

gradle.properties

@@ -0,0 +1,21 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Wed Aug 16 09:23:02 CST 2023
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

@@ -0,0 +1,17 @@
+pluginManagement {
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+        maven { url 'https://jitpack.io' }
+    }
+}
+rootProject.name = "DroidCast"
+include ':app'