调用 url_launcher 模块打开外部浏 览器 打开外部应用 拨打电话 发送短信

1、Flutter url_launcher 模块

Flutter url_launcher 模块可以让我们实现打开外部浏览器、打开外部应用、发送短信、拨打电话等功能。

https://pub.dev/packages/url_launcher

2、关于打开其他 app 请参考这个帖子

https://www.cflutter.com/topic/5d0853733b57e317a4d0af01

案例代码

import ‘package:flutter/material.dart‘;import ‘package:url_launcher/url_launcher.dart‘;

class UrlLauncher extends StatefulWidget {  UrlLauncher({Key key}) : super(key: key);

  _UrlLauncherState createState() => _UrlLauncherState();}

class _UrlLauncherState extends State<UrlLauncher> {  @override  Widget build(BuildContext context) {    return Scaffold(        appBar: AppBar(          title: Text(‘UrlLauncher‘),        ),        body: Center(            child: Padding(          padding: EdgeInsets.all(20),          child: ListView(children: [            RaisedButton(              child: Text(‘打开外部浏览器‘),              onPressed: () async{                                                   const url = ‘https://cflutter.com‘;                  if (await canLaunch(url)) {                    await launch(url);                  } else {                    throw ‘Could not launch $url‘;                  }              },            ),            SizedBox(height: 10),            RaisedButton(              child: Text(‘拨打电话‘),              onPressed: () async{                  var tel = ‘tel:10086‘;                  if (await canLaunch(tel)) {                    await launch(tel);                  } else {                    throw ‘Could not launch $tel‘;                  }

              },            ),            SizedBox(height: 10),            RaisedButton(              child: Text(‘发送短信‘),              onPressed: () async{                 var tel = ‘sms:10086‘;                  if (await canLaunch(tel)) {                    await launch(tel);                  } else {                    throw ‘Could not launch $tel‘;                  }              },            ),            SizedBox(height: 10),            RaisedButton(              child: Text(‘打开外部应用‘),              onPressed: () async{                  /*                    weixin://                    alipays://                  */                  var url = ‘alipays://‘;                  if (await canLaunch(url)) {                    await launch(url);                  } else {                    throw ‘Could not launch $url‘;                  }

              },            )                 ]),        )));  }}

原文地址：https://www.cnblogs.com/zhaofeis/p/12375130.html