Android play sound or wave sample code

static public void PlayAlarm()
 {
  MediaPlayer mp = MediaPlayer.create(mContext, R.raw.beep);
  AudioManager audioManager = (AudioManager)mContext.getSystemService("audio");
  int streamMaxVolume = audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
     //Toast.makeText(mContext, Integer.toString(streamMaxVolume), Toast.LENGTH_LONG).show(); //I got 7
     audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, streamMaxVolume-4, AudioManager.FLAG_ALLOW_RINGER_MODES|AudioManager.FLAG_PLAY_SOUND);
     mp.start();
 }