flutter_no_internet_widget 1.0.0+18-dev.1

A new Flutter widget to show online or offline widget without any extra code or dependencies.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_no_internet_widget/flutter_no_internet_widget.dart';
import 'package:no_internet_widget_example/second_screen.dart';

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

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

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return InternetWidget(
      offline: FullScreenWidget(
        child: Scaffold(
          appBar: AppBar(
            title: const Text('No Internet Example'),
          ),
          body: const Center(child: Text('No Internet')),
        ),
      ),
      // ignore: avoid_print
      whenOffline: () => print('No Internet'),
      // ignore: avoid_print
      whenOnline: () => print('Connected to internet'),
      loadingWidget: const Center(child: Text('Loading')),
      //offline: const Center(child: Text('No Internet')),
      online: 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> {
  int _counter = 0;

  void _incrementCounter() {
    setState(() {
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Center(
      child: 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.headlineLarge,
              ),
              ElevatedButton(
                onPressed: () {
                  Navigator.of(context).push(
                    MaterialPageRoute(
                      builder: (context) => const SecondScreen(),
                    ),
                  );
                },
                child: const Text('Navigate'),
              )
            ],
          ),
        ),
        floatingActionButton: FloatingActionButton(
          onPressed: _incrementCounter,
          tooltip: 'Increment',
          child: const Icon(Icons.add),
        ),
      ),
    );
  }
}