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POonAudioFocusChange not called
 

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  1. POonAudioFocusChange not called
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    <pre><code>private static int changedFocus; private static boolean focusGranted; private static AudioManager audioManager; public static int getChangedFocus() { return changedFocus; } public static boolean isFocusGranted() { return focusGranted; } public static void requestFocus(final Context context) { if (audioManager == null) { audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); } switch (audioManager.requestAudioFocus(OnFocusChangeListener.getInstance(), AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN)) { case AudioManager.AUDIOFOCUS_REQUEST_GRANTED: focusGranted = true; break; case AudioManager.AUDIOFOCUS_REQUEST_FAILED: focusGranted = false; break; } } private static final class OnFocusChangeListener implements AudioManager.OnAudioFocusChangeListener { private static OnFocusChangeListener instance; protected static OnFocusChangeListener getInstance() { if (instance == null) { instance = new OnFocusChangeListener(); } return instance; } @Override public void onAudioFocusChange(final int focusChange) { changedFocus = focusChange; System.out.println("on focus change: " + focusChange); switch (focusChange) { case AudioManager.AUDIOFOCUS_GAIN: GlobalMusicPlayer.onFocusGained(); break; case AudioManager.AUDIOFOCUS_LOSS: GlobalMusicPlayer.onFocusLoss(); break; case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT: GlobalMusicPlayer.onFocusLossTransient(); break; case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK: GlobalMusicPlayer.onFocusLossTransientCanDuck(); break; } } } </code></pre> <p>I call requestFocus(context) and get AudioManager.AUDIOFOCUS_REQUEST_GRANTED as a return value.</p> <p>After that, <strong>onAudioFocusChange</strong> never called and thus <strong>changedFocus</strong> is always 0.</p> <pre><code>isFocusGranted() // true getChangedFocus() // 0 </code></pre> <p>Devices: Nexus 10, Motorola Xoom.</p>
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    1. USYaroslav Mytkalyk
    1. USYaroslav Mytkalyk
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