Android5.1FM模块学习----向前台发送消息_notifyactivitystate

1.  描述：当FM service监听到某个Receiver，需要前台更新UI时

2.  实例：手机切换飞行模式，

//dongyang.li add for airplane mode.
        if(getAirplaneMode(getApplicationContext())) {
            mIsPowerUping = false;
            bundle = new Bundle(5);
            bundle.putInt(FmRadioListener.CALLBACK_FLAG, FmRadioListener.MSGID_AIRPLANE_MODE);
            bundle.putBoolean(FmRadioListener.FLAG_AIRPLANE_MODE, true);
            notifyActivityStateChanged(bundle);
            return;
        }

private class FmServiceBroadcastReceiver extends BroadcastReceiver {
        @Override
        public void onReceive(Context context, Intent intent) {
            String action = intent.getAction();
            String command = intent.getStringExtra("command");
            if(Intent.ACTION_AIRPLANE_MODE