internet_connection_checker_plus 1.0.1

A pure Dart library that checks for internet by opening a socket to a list of specified addresses, each with individual port and timeout.

example/lib/main.dart

import 'dart:async';

import 'package:flutter/material.dart';
import 'package:internet_connection_checker_plus/internet_connection_checker_plus.dart';

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key, required this.title}) : super(key: key);

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  InternetConnectionStatus? _connectionStatus;
  late StreamSubscription<InternetConnectionStatus> _subscription;

  @override
  void initState() {
    super.initState();
    _subscription = InternetConnectionCheckerPlus().onStatusChange.listen(
      (status) {
        setState(() {
          _connectionStatus = status;
        });
      },
    );
  }

  @override
  void dispose() {
    _subscription.cancel();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            const Text(
              'Your internet connection status is:',
            ),
            Text(
              _connectionStatus?.toString() ?? 'Unknown',
              style: Theme.of(context).textTheme.headline6,
            ),
          ],
        ),
      ),
    );
  }
}