blob: f88fcfeb9150debaff0a79e210ee30de0f907911 [file] [log] [blame]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// ignore_for_file: public_member_api_docs
import 'dart:async';
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({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'URL Launcher',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: const MyHomePage(title: 'URL Launcher'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
bool _hasCallSupport = false;
Future<void>? _launched;
String _phone = '';
@override
void initState() {
super.initState();
// Check for phone call support.
canLaunchUrl(Uri(scheme: 'tel', path: '123')).then((bool result) {
setState(() {
_hasCallSupport = result;
});
});
}
Future<void> _launchInBrowser(Uri url) async {
if (!await launchUrl(
url,
mode: LaunchMode.externalApplication,
)) {
throw Exception('Could not launch $url');
}
}
Future<void> _launchInWebViewOrVC(Uri url) async {
if (!await launchUrl(
url,
mode: LaunchMode.inAppWebView,
webViewConfiguration: const WebViewConfiguration(
headers: <String, String>{'my_header_key': 'my_header_value'}),
)) {
throw Exception('Could not launch $url');
}
}
Future<void> _launchInWebViewWithoutJavaScript(Uri url) async {
if (!await launchUrl(
url,
mode: LaunchMode.inAppWebView,
webViewConfiguration: const WebViewConfiguration(enableJavaScript: false),
)) {
throw Exception('Could not launch $url');
}
}
Future<void> _launchInWebViewWithoutDomStorage(Uri url) async {
if (!await launchUrl(
url,
mode: LaunchMode.inAppWebView,
webViewConfiguration: const WebViewConfiguration(enableDomStorage: false),
)) {
throw Exception('Could not launch $url');
}
}
Future<void> _launchUniversalLinkIos(Uri url) async {
final bool nativeAppLaunchSucceeded = await launchUrl(
url,
mode: LaunchMode.externalNonBrowserApplication,
);
if (!nativeAppLaunchSucceeded) {
await launchUrl(
url,
mode: LaunchMode.inAppWebView,
);
}
}
Widget _launchStatus(BuildContext context, AsyncSnapshot<void> snapshot) {
if (snapshot.hasError) {
return Text('Error: ${snapshot.error}');
} else {
return const Text('');
}
}
Future<void> _makePhoneCall(String phoneNumber) async {
final Uri launchUri = Uri(
scheme: 'tel',
path: phoneNumber,
);
await launchUrl(launchUri);
}
@override
Widget build(BuildContext context) {
// onPressed calls using this URL are not gated on a 'canLaunch' check
// because the assumption is that every device can launch a web URL.
final Uri toLaunch =
Uri(scheme: 'https', host: 'www.cylog.org', path: 'headers/');
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: ListView(
children: <Widget>[
Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Padding(
padding: const EdgeInsets.all(16.0),
child: TextField(
onChanged: (String text) => _phone = text,
decoration: const InputDecoration(
hintText: 'Input the phone number to launch')),
),
ElevatedButton(
onPressed: _hasCallSupport
? () => setState(() {
_launched = _makePhoneCall(_phone);
})
: null,
child: _hasCallSupport
? const Text('Make phone call')
: const Text('Calling not supported'),
),
Padding(
padding: const EdgeInsets.all(16.0),
child: Text(toLaunch.toString()),
),
ElevatedButton(
onPressed: () => setState(() {
_launched = _launchInBrowser(toLaunch);
}),
child: const Text('Launch in browser'),
),
const Padding(padding: EdgeInsets.all(16.0)),
ElevatedButton(
onPressed: () => setState(() {
_launched = _launchInWebViewOrVC(toLaunch);
}),
child: const Text('Launch in app'),
),
ElevatedButton(
onPressed: () => setState(() {
_launched = _launchInWebViewWithoutJavaScript(toLaunch);
}),
child: const Text('Launch in app (JavaScript OFF)'),
),
ElevatedButton(
onPressed: () => setState(() {
_launched = _launchInWebViewWithoutDomStorage(toLaunch);
}),
child: const Text('Launch in app (DOM storage OFF)'),
),
const Padding(padding: EdgeInsets.all(16.0)),
ElevatedButton(
onPressed: () => setState(() {
_launched = _launchUniversalLinkIos(toLaunch);
}),
child: const Text(
'Launch a universal link in a native app, fallback to Safari.(Youtube)'),
),
const Padding(padding: EdgeInsets.all(16.0)),
ElevatedButton(
onPressed: () => setState(() {
_launched = _launchInWebViewOrVC(toLaunch);
Timer(const Duration(seconds: 5), () {
closeInAppWebView();
});
}),
child: const Text('Launch in app + close after 5 seconds'),
),
const Padding(padding: EdgeInsets.all(16.0)),
Link(
uri: Uri.parse(
'https://pub.dev/documentation/url_launcher/latest/link/link-library.html'),
target: LinkTarget.blank,
builder: (BuildContext ctx, FollowLink? openLink) {
return TextButton.icon(
onPressed: openLink,
label: const Text('Link Widget documentation'),
icon: const Icon(Icons.read_more),
);
},
),
const Padding(padding: EdgeInsets.all(16.0)),
FutureBuilder<void>(future: _launched, builder: _launchStatus),
],
),
],
),
);
}
}