Code example for MediaPlayer: Playing audio and video

		return player;
	} 
 
	private static void playFile(final MediaPlayer player, final AssetFileDescriptor file) throws IllegalArgumentException, IllegalStateException, IOException {
	    // When the beep has finished playing, rewind to queue up another one. 
		player.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
	      @Override 
	      public void onCompletion(MediaPlayer player) {
	        player.release();
	      } 
	    }); 
	    player.setDataSource(file.getFileDescriptor(), file.getStartOffset(), file.getLength());
	    file.close();
	    player.setVolume(0.2f, 0.2f);
	    player.prepare();
	    player.start();
	} 
}