flutter_network_connectivity 0.0.2

A Flutter Plugin to check for network status. Plugin uses NetworkCapabilities for Android and NetworkMonitor for iOS.

example/lib/main.dart

import 'dart:async';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_network_connectivity/flutter_network_connectivity.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final FlutterNetworkConnectivity _flutterNetworkConnectivity =
      FlutterNetworkConnectivity();

  bool? _isNetworkConnected;

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

    _checkNetworkState();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> _checkNetworkState() async {
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      _isNetworkConnected =
          await _flutterNetworkConnectivity.isNetworkAvailable();
    } on PlatformException {
      _isNetworkConnected = null;
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {});
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Flutter Network Connectivity'),
        ),
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Text(
                null == _isNetworkConnected
                    ? 'Unknown State'
                    : _isNetworkConnected!
                        ? "You're Connected to Network"
                        : "You're Offline",
              ),
              const SizedBox(height: 50.0),
              ElevatedButton(
                onPressed: () {
                  _checkNetworkState();
                },
                child: const Text('Check Network State'),
              ),
            ],
          ),
        ),
      ),
    );
  }
}