request audio focus android

1//set the listener (this should be global)
2AudioManager.OnAudioFocusChangeListener audioListener = new AudioManager.OnAudioFocusChangeListener() {
3	@Override
4	public void onAudioFocusChange(int i) {
5		//code to hundle diffrent kind of focus states.
6	}
7};
8
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11//set the request
12audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
13audioManager.requestAudioFocus(audioListener , AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
14
15if (focusChange == AudioManager.AUDIOFOCUS_GAIN) {
16	// You now have the audio focus and may play sound.
17}else if (focusChange == AudioManager.AUDIOFOCUS_REQUEST_FAILED) {
18	// Handle the failure.
19}
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