AudioManager.java 文件源码

/**
 * Broadcast receiver to check outgoing call
 */
private void initOutgoingBroadcastReceiver() {
    OutgoingBroadcastReceiver = new BroadcastReceiver() {

        @Override
        public void onReceive(Context context, Intent intent) {

            if (intent.getAction().equals(Intent.ACTION_NEW_OUTGOING_CALL)) {

                isInCall = true;

                if (isInCall == true) {
                    smallMediaPlayer = SmallMediaPlayer.getInstance(context);
                    bigNotification = false;
                    pauseMedia();
                }

            }
        }
    };
    IntentFilter filter = new IntentFilter(Intent.ACTION_NEW_OUTGOING_CALL);
    context.registerReceiver(OutgoingBroadcastReceiver, filter);
}