Season 2, Class 223 - Play Music

// from offline
if (mp3mp!=null) mp3mp.release();

MediaPlayer mp3mp;

mp3mp = MediaPlayer.create(MainActivity.this, R.raw.music);

mp3mp.start();

//play stop song

if (sbutton.getTag()!=null && sbutton.getTag().toString().contains("NOT_PLAYING")){

    if (playsong!=null) playsong.release();
    playsong = MediaPlayer.create(MainActivity.this, R.raw.music);
    playsong.start();
    sbutton.setImageResource(R.drawable.pause);
    sbutton.setTag("PLAYING");

    playsong.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
        @Override
        public void onCompletion(MediaPlayer mp) {
            sbutton.setImageResource(R.drawable.play);
            sbutton.setTag("NOT_PLAYING");
        }
    });

}
else {
    playsong.release();
    sbutton.setImageResource(R.drawable.play);
    sbutton.setTag("NOT_PLAYING");
}