Android安全检查之网络环境检测

╰半夏微凉° 2022-02-13 00:31 413阅读 0赞

### 这个就是通过广播监听wifi发生变化提示用户 ###

/**
      * 监控Wifi状态的广播接收器
      */
    private final class WifiStateReceiver extends BroadcastReceiver {
        @Override
        public void onReceive(Context c, Intent intent) {
            Bundle bundle = intent.getExtras();
            int statusInt = bundle.getInt("wifi_state");
            switch (statusInt) {
            case WifiManager.WIFI_STATE_UNKNOWN:
                break;
            case WifiManager.WIFI_STATE_ENABLING:
                break;
            case WifiManager.WIFI_STATE_ENABLED:
                LogUtil.e(tag, "wifi enable");
                if(!isWifiEnable) {
                    isWifiEnable = true;
                    //断网后又连上了
                    isGoon = false;
                    if (!Util.isServiceRun(MultiPointControlActivity.this,
                            DLNAServiceName)) {
                        LogUtil.e(tag, "start dlna service");
                    }else {
                        LogUtil.e(tag, "runing .... stop dlna service");
                        stopDLNAService();
                    }
                    startDLNAService();
                    firstPlay();
                }
                break;
            case WifiManager.WIFI_STATE_DISABLING:
                break;
            case WifiManager.WIFI_STATE_DISABLED:
                isWifiEnable = false;
                LogUtil.e(tag, "wifi disable");
                break;
            default:
                break;
            }
        }
    }
    
    private void registReceiver() {
        receiver = new WifiStateReceiver();
        IntentFilter filter = new IntentFilter(WifiManager.WIFI_STATE_CHANGED_ACTION);
        registerReceiver(receiver, filter);
    }