AudioStreamingService.java 文件源码

@Override
public void onDestroy() {
    super.onDestroy();
    if (remoteControlClient != null) {
        RemoteControlClient.MetadataEditor metadataEditor = remoteControlClient.editMetadata(true);
        metadataEditor.clear();
        metadataEditor.apply();
        audioManager.unregisterRemoteControlClient(remoteControlClient);
    }
    try {
        TelephonyManager mgr = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);
        if (mgr != null) {
            mgr.listen(phoneStateListener, PhoneStateListener.LISTEN_NONE);
        }
    } catch (Exception e) {
        Log.e("tmessages", e.toString());
    }
    NotificationManager.getInstance().removeObserver(this, NotificationManager.audioProgressDidChanged);
    NotificationManager.getInstance().removeObserver(this, NotificationManager.audioPlayStateChanged);
}