DiscoverModule/lib/contacts_module/ui_screen/interactionform/NewtworkConnectivity.dart

import 'dart:async';
import 'dart:io';

import 'package:connectivity_plus/connectivity_plus.dart';
import 'package:dio/dio.dart';
import 'package:flutter/foundation.dart';

class NetworkConnectivity {
  Future<bool> isInternetAvailable() async {
    var connectivityResult = await Connectivity().checkConnectivity();
    if (connectivityResult == ConnectivityResult.none) {
      return false;
    } else {
      try {
        if (!kIsWeb) {
          final result = await InternetAddress.lookup('google.com');
          return true;
        } else {
          final result = await Dio().get('www.google.com');

          if (result.statusCode == 200) {
            // if (result.isNotEmpty && result[0].rawAddress.isNotEmpty) {
            return true;
            //}
          }
        }

        return false;
      } on SocketException catch (_) {
        return false;
      }
    }
  }
}