import 'package:flutter/material.dart';
import 'package:url_launcher/link.dart';
import 'package:url_launcher/url_launcher.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(),
    );
  }
}

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

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

class _MyHomePageState extends State<MyHomePage> {
  static const url = 'https://flutter.dev';

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Link'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            ElevatedButton(
              onPressed: () {
                launch(url);
              },
              child: const Text('Button without Link'),
            ),
            Container(height: 20),
            Link(
              uri: Uri.parse(url),
              target: LinkTarget.blank,
              builder: (context, followLink) => ElevatedButton(
                child: const Text('Button with Link'),
                onPressed: followLink!,
              ),
            ),
          ],
        ),
      ),
    );
  }
}