PierfrancescoSoffritti

class CustomUiController {
  
  private boolean isPlaying = false;
  
  CustomUiController(View customPlayerUI, YouTubePlayer youTubePlayer) {   
    playPauseButton = customPlayerUI.findViewById(R.id.play_pause_button);
    
    playPauseButton.setOnClickListener( view -> {
      if(isPlaying) youTubePlayer.pause();
      else youTubePlayer.play();

PierfrancescoSoffritti

View customUiView = youTubePlayerView.inflateCustomPlayerUI(R.layout.custom_player_ui);

PierfrancescoSoffritti

<FrameLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent" >
  
  <Button
    android:id="@+id/play_pause_button"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Play/Pause" />

PierfrancescoSoffritti

implementation 'com.pierfrancescosoffritti.androidyoutubeplayer:chromecast-sender:last-version'

// this is not needed to use the library, but it provides the very useful MediaRouteButton.
implementation 'androidx.mediarouter:mediarouter:last-version'

PierfrancescoSoffritti

private class SimpleChromecastConnectionListener implements ChromecastConnectionListener {
  
  @Override
  public void onChromecastConnecting() {
    Log.d(getClass().getSimpleName(), "onChromecastConnecting");
  }
  
  @Override
  public void onChromecastConnected(ChromecastYouTubePlayerContext chromecastYouTubePlayerContext) {
    Log.d(getClass().getSimpleName(), "onChromecastConnected");

PierfrancescoSoffritti

private int googlePlayServicesAvailabilityRequestCode = 1;

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);

  MediaRouteButton mediaRouteButton = findViewById(R.id.media_route_button);
  CastButtonFactory.setUpMediaRouteButton(this, mediaRouteButton);

PierfrancescoSoffritti

<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >
  
    <android.support.v7.app.MediaRouteButton
         android:id="@+id/media_route_button"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content" />

PierfrancescoSoffritti

<meta-data android:name= "com.google.android.gms.cast.framework.OPTIONS_PROVIDER_CLASS_NAME"
           android:value="yourpackagename.CastOptionsProvider" />

PierfrancescoSoffritti

public final class CastOptionsProvider implements OptionsProvider {
  public CastOptions getCastOptions(Context appContext) {
    
    // Register your receiver on Cast Developer Console to get this ID: https://cast.google.com/publish
    String receiverId = "";
  
    return new CastOptions.Builder()
      .setReceiverApplicationId(receiverId)
      .build();
  }