Audio Focus change

respond.java

AudioManager.OnAudioFocusChangeListener afChangeListener =
  new AudioManager.OnAudioFocusChangeListener() {
    public void onAudioFocusChange(int focusChange) {
      if (focusChange == AudioManager.AUDIOFOCUS_LOSS) {
        // Permanent loss of audio focus
        mMediaPlayer.stop();
      }
      else if (focusChange == AUDIOFOCUS_LOSS_TRANSIENT) {
        // Pause playback
        mMediaPlayer.pause();
      } else if (focusChange == AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK) {
        // Lower the volume, keep playing
        mMediaPlayer.setVolume(0.2, 0.2);
      } else if (focusChange == , .dioManager.AUDIOFOCUS_GAIN) {
        // Your app has been granted audio focus again
        // Raise volume to normal, restart playback if necessary
        mMediaPlayer.start();
      }
    }
  };