Java tutorial
//package com.java2s; // Released under the Apache License, Version 2.0 import android.media.AudioManager; public class Main { /** * Utility method that * @param am the AudioManager requesting the focus * @param afChangeListener the foucs listener associated to the AudioManager * @return true if focus is granted, false if not. */ public static boolean focusRequestGranted(AudioManager am, Object afChangeListener) { int result = am.requestAudioFocus((AudioManager.OnAudioFocusChangeListener) afChangeListener, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN); return result == AudioManager.AUDIOFOCUS_REQUEST_GRANTED; } }