HappyPlace MyMediaPlayer

import android.content.Context;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;

public class MyMediaPlayer {
    // use Media player for sound instead of SoundPool for OnCompletion Listener
    private static MediaPlayer mediaPlayer;

    public static void mediaPlaySound(Context context) {
        mediaPlayer = MediaPlayer.create(context, R.raw.happyplace);
        mediaPlayer.start();
        mediaPlayer.setOnCompletionListener(new OnCompletionListener() {

            @Override
            public void onCompletion(MediaPlayer mp) {
                MainActivity.sadPictureReturn();
                mediaPlayer.release();// finished with sound
            }
        });
    }
}