Using Android's TextureView to Display Video Mirrored

Android's VideoView can only play videos straight and not mirrored.
If you want your app to play a video mirrored (for instance if the video was recorded using a front camera), you will need to use a TextureView, which can be easily mirrored by specifying android:scaleX=-1 in the XML file, or textureView.setScaleX(-1) in the code.

Here is a code sample for playing video using TextureView, with the option of displaying the video mirrored:

	public class SampleActivity implements SurfaceTextureListener {
	boolean isMirrored = true;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_sample);
	TextureView textureView = (TextureView)findViewById(R.id.myTextureView);
	textureView.setSurfaceTextureListener(this);
	textureView.setScaleX(isMirrored ? -1 : 1);
	}
	@Override
	public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
	MediaPlayer mediaPlayer = new MediaPlayer();
	mediaPlayer.setSurface(new Surface(surface));
	try {
	mediaPlayer.setDataSource("my_video_file.mp4");
	mediaPlayer.prepare();
	mediaPlayer.start();
	} catch (Exception e) {
	e.printStackTrace();
	}
	}
	@Override
	public boolean onSurfaceTextureDestroyed(SurfaceTexture surfaceTexture) {return false;}
	@Override
	public void onSurfaceTextureSizeChanged(SurfaceTexture surfaceTexture, int width, int height) {}
	@Override
	public void onSurfaceTextureUpdated(SurfaceTexture surfaceTexture) {}
	}

view raw sample.java hosted with ❤ by GitHub