Untitled

ConnectivityResult _connectionStatus = ConnectivityResult.none;
  final Connectivity _connectivity = Connectivity();
  late StreamSubscription<ConnectivityResult> _connectivitySubscription;

@override
  void initState() {
    super.initState();
    initConnectivity();

    _connectivitySubscription =
        _connectivity.onConnectivityChanged.listen(_updateConnectionStatus);
  }
Future<void> initConnectivity() async {
    late ConnectivityResult result;
    try {
      result = await _connectivity.checkConnectivity();
    } on PlatformException catch (e) {
      developer.log('Couldn\'t check connectivity status', error: e);
      return;
    }
    if (!mounted) {
      return Future.value(null);
    }

    return _updateConnectionStatus(result);
  }

  Future<void> _updateConnectionStatus(ConnectivityResult result) async {
    setState(() {
      _connectionStatus = result;
    });
  }