پخش ویدیو در اندروید با  Exo Player

Implementation 'com.google.android.exoplayer:exoplayer-core:2.7.3'
Implementation 'com.google.android.exoplayer:exoplayer-dash:2.7.3'
Implementation 'com.google.android.exoplayer:exoplayer-ui:2.7.3'

compileOptions {
    targetCompatibility JavaVersion.VERSION_1_8
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="0dp"
    >
    <com.google.android.exoplayer2.ui.PlayerView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/video_view"
        android:focusable="true"
        />
</LinearLayout>

public class MainActivity extends AppCompatActivity {
 
    PlayerView playerView;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        playerView = findViewById(R.id.video_view);
        initializePlayer();
    }
 
    private void initializePlayer() {
       SimpleExoPlayer player = ExoPlayerFactory.newSimpleInstance(MainActivity.this , 
new DefaultTrackSelector() , new DefaultLoadControl()) ;
String videoPath = RawResourceDataSource.buildRawResourceUri(R.raw.sample).toString();
        Uri uri = RawResourceDataSource.buildRawResourceUri(R.raw.sample);
 
       
 
 
  ExtractorMediaSource audioSource = new ExtractorMediaSource(
                uri,
                new DefaultDataSourceFactory(this, "MyExoplayer"),
                new DefaultExtractorsFactory(),
                null,
                null
        );
       player.prepare(audioSource);
       playerView.setPlayer(player);
       player.setPlayWhenReady(true);
       player.setPlayWhenReady(true);
    }
}