url_launcher 0.4.2+5 url_launcher: ^0.4.2+5 copied to clipboard
A Flutter plugin for launching a URL.
// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:url_launcher/url_launcher.dart';
void main() {
runApp(new MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return new MaterialApp(
title: 'URL Launcher',
theme: new ThemeData(
primarySwatch: Colors.blue,
),
home: new MyHomePage(title: 'URL Launcher'),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => new _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
Future<Null> _launched;
void _launchUrl() {
setState(() {
_launched = _launch('https://flutter.io');
});
}
Future<Null> _launch(String url) async {
if (await canLaunch(url)) {
await launch(url);
} else {
throw 'Could not launch $url';
}
}
Widget _launchStatus(BuildContext context, AsyncSnapshot<Null> snapshot) {
if (snapshot.hasError) {
return new Text('Error: ${snapshot.error}');
} else {
return const Text('');
}
}
@override
Widget build(BuildContext context) {
return new Scaffold(
appBar: new AppBar(
title: new Text(widget.title),
),
body: new Center(
child: new Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
new Row(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
const Padding(
padding: const EdgeInsets.all(16.0),
child: const Text('https://flutter.io'),
),
new RaisedButton(
onPressed: _launchUrl,
child: const Text('Go'),
),
],
),
new FutureBuilder<Null>(future: _launched, builder: _launchStatus),
],
),
),
);
}
}