global_internet_listener 0.0.1

global_internet_listener is a lightweight Flutter package that enables global internet connectivity monitoring across your entire app with just a few lines of code.

example/lib/main.dart

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

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Internet Connectivity Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),

      // ✅ Enable global internet checker
      builder: (context, child) {
        return GlobalInternetListener(
          child: child ?? const SizedBox.shrink(),
        );
      },

      home: const MyHomePage(title: 'Home Page'),
    );
  }
}

// 🔹 HOME PAGE
class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});
  final String title;

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

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;
  void _incrementCounter() => setState(() => _counter++);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text(widget.title)),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            const Text('You have pushed the button this many times:'),
            Text('$_counter', style: Theme.of(context).textTheme.headlineMedium),
            const SizedBox(height: 20),
            ElevatedButton(
              onPressed: () {
                Navigator.push(context,
                    MaterialPageRoute(builder: (_) => const SecondPage()));
              },
              child: const Text("Go to Second Page"),
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: const Icon(Icons.add),
      ),
    );
  }
}

// 🔹 SECOND PAGE
class SecondPage extends StatelessWidget {
  const SecondPage({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text("Second Page")),
      body: Center(
        child: ElevatedButton(
          onPressed: () {
            Navigator.push(context,
                MaterialPageRoute(builder: (_) => const ThirdPage()));
          },
          child: const Text("Go to Third Page"),
        ),
      ),
    );
  }
}

// 🔹 THIRD PAGE
class ThirdPage extends StatelessWidget {
  const ThirdPage({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text("Third Page")),
      body: Center(
        child: ElevatedButton(
          onPressed: () {
            Navigator.push(context,
                MaterialPageRoute(builder: (_) => const FourthPage()));
          },
          child: const Text("Go to Fourth Page"),
        ),
      ),
    );
  }
}

// 🔹 FOURTH PAGE
class FourthPage extends StatelessWidget {
  const FourthPage({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text("Fourth Page")),
      body: const Center(
        child: Text("You're on the Fourth Page"),
      ),
    );
  }
}