Example
audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
audioManager.requestAudioFocus(audioListener, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
changedListener = new AudioManager.OnAudioFocusChangeListener() {
@Override
public void onAudioFocusChange(int focusChange) {
if (focusChange == AudioManager.AUDIOFOCUS_GAIN) {
// You now have the audio focus and may play sound.
}
else if (focusChange == AudioManager.AUDIOFOCUS_REQUEST_FAILED) {
// Handle the failure.
}
}
}