url_launcher_android 6.1.1
url_launcher_android: ^6.1.1 copied to clipboard
Android implementation of the url_launcher plugin.
// 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_platform_interface/url_launcher_platform_interface.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> {
final UrlLauncherPlatform launcher = UrlLauncherPlatform.instance;
bool _hasCallSupport = false;
Future<void>? _launched;
String _phone = '';
@override
void initState() {
super.initState();
// Check for phone call support.
launcher.canLaunch('tel:123').then((bool result) {
setState(() {
_hasCallSupport = result;
});
});
}
Future<void> _launchInBrowser(String url) async {
if (!await launcher.launch(
url,
useSafariVC: false,
useWebView: false,
enableJavaScript: false,
enableDomStorage: false,
universalLinksOnly: false,
headers: <String, String>{},
)) {
throw Exception('Could not launch $url');
}
}
Future<void> _launchInWebView(String url) async {
if (!await launcher.launch(
url,
useSafariVC: true,
useWebView: true,
enableJavaScript: false,
enableDomStorage: false,
universalLinksOnly: false,
headers: <String, String>{},
)) {
throw Exception('Could not launch $url');
}
}
Future<void> _launchInWebViewWithCustomHeaders(String url) async {
if (!await launcher.launch(
url,
useSafariVC: true,
useWebView: true,
enableJavaScript: false,
enableDomStorage: false,
universalLinksOnly: false,
headers: <String, String>{'my_header_key': 'my_header_value'},
)) {
throw Exception('Could not launch $url');
}
}
Future<void> _launchInWebViewWithJavaScript(String url) async {
if (!await launcher.launch(
url,
useSafariVC: true,
useWebView: true,
enableJavaScript: true,
enableDomStorage: false,
universalLinksOnly: false,
headers: <String, String>{},
)) {
throw Exception('Could not launch $url');
}
}
Future<void> _launchInWebViewWithDomStorage(String url) async {
if (!await launcher.launch(
url,
useSafariVC: true,
useWebView: true,
enableJavaScript: false,
enableDomStorage: true,
universalLinksOnly: false,
headers: <String, String>{},
)) {
throw Exception('Could not launch $url');
}
}
Widget _launchStatus(BuildContext context, AsyncSnapshot<void> snapshot) {
if (snapshot.hasError) {
return Text('Error: ${snapshot.error}');
} else {
return const Text('');
}
}
Future<void> _makePhoneCall(String phoneNumber) async {
// Use `Uri` to ensure that `phoneNumber` is properly URL-encoded.
// Just using 'tel:$phoneNumber' would create invalid URLs in some cases,
// such as spaces in the input, which would cause `launch` to fail on some
// platforms.
final Uri launchUri = Uri(
scheme: 'tel',
path: phoneNumber,
);
await launcher.launch(
launchUri.toString(),
useSafariVC: false,
useWebView: false,
enableJavaScript: false,
enableDomStorage: false,
universalLinksOnly: true,
headers: <String, String>{},
);
}
@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.
const String toLaunch = 'https://www.cylog.org/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'),
),
const Padding(
padding: EdgeInsets.all(16.0),
child: Text(toLaunch),
),
ElevatedButton(
onPressed: () => setState(() {
_launched = _launchInBrowser(toLaunch);
}),
child: const Text('Launch in browser'),
),
const Padding(padding: EdgeInsets.all(16.0)),
ElevatedButton(
onPressed: () => setState(() {
_launched = _launchInWebView(toLaunch);
}),
child: const Text('Launch in app'),
),
ElevatedButton(
onPressed: () => setState(() {
_launched = _launchInWebViewWithCustomHeaders(toLaunch);
}),
child: const Text('Launch in app (Custom headers)'),
),
ElevatedButton(
onPressed: () => setState(() {
_launched = _launchInWebViewWithJavaScript(toLaunch);
}),
child: const Text('Launch in app (JavaScript ON)'),
),
ElevatedButton(
onPressed: () => setState(() {
_launched = _launchInWebViewWithDomStorage(toLaunch);
}),
child: const Text('Launch in app (DOM storage ON)'),
),
const Padding(padding: EdgeInsets.all(16.0)),
ElevatedButton(
onPressed: () => setState(() {
_launched = _launchInWebView(toLaunch);
Timer(const Duration(seconds: 5), () {
launcher.closeWebView();
});
}),
child: const Text('Launch in app + close after 5 seconds'),
),
const Padding(padding: EdgeInsets.all(16.0)),
FutureBuilder<void>(future: _launched, builder: _launchStatus),
],
),
],
),
);
}
}