StreamSubscription<ConnectivityResult> _connectivitySubscription;
//網(wǎng)絡(luò)初始狀態(tài)
connectivityInitState() {
  _connectivitySubscription =
      Connectivity().onConnectivityChanged.listen((ConnectivityResult result) {
    print('=======' + result.toString());
    if (result == ConnectivityResult.none) {
      UiUtil.showToast('網(wǎng)絡(luò)已斷開,請鏈接網(wǎng)絡(luò)!');
      isConnectServerAvailable = false;
      StoreState.status = getXMMPConnectionStatus('DISCONNECTING');
      ConnectRefreshAction action = ConnectRefreshAction(StoreState.status);
      StoreState.connectStore.dispatch(action);
    } else {
      //UiUtil.showToast('鏈接中...');
      //每次網(wǎng)絡(luò)變化都會檢查網(wǎng)絡(luò)
      checkClientState();
    }
    //這個位置不能動
    networkStatus = result;
  });
}

//網(wǎng)絡(luò)結(jié)束監(jiān)聽
connectivityDispose() {
  _connectivitySubscription.cancel();
}

//網(wǎng)絡(luò)進(jìn)行監(jiān)聽
Future<Null> initConnectivity() async {
  String connectionStatus;
  //平臺消息可能會失敗，因此我們使用Try/Catch PlatformException。
  try {
    connectionStatus = (await Connectivity().checkConnectivity()).toString();
    if (connectionStatus == ConnectivityResult.mobile) {
    } else if (connectionStatus == ConnectivityResult.wifi) {}
  } on PlatformException catch (e) {
    print(e.toString());
    connectionStatus = 'Failed to get connectivity.';
  }
}

image

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