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flutter-36(Flutter打开外部浏览器打开外部应用拨打电话发送短信)

2020-05-01【Flutter】997人已围观

简介## url_launcher 文档地址： [https://pub.dev/packages/url_launche](https://pub.dev/packages/url_launche) > 更多参见 **flutter-29(使用url_launcher加载页面)** ## Flutter url_launcher ``` import 'package:flutter/material.dart'; import 'package:url_launcher/url

## url_launcher

文档地址： [https://pub.dev/packages/url_launche](https://pub.dev/packages/url_launche)

> 更多参见 **flutter-29(使用url_launcher加载页面)**

## Flutter url_launcher

```
import 'package:flutter/material.dart';
import 'package:url_launcher/url_launcher.dart';

class OpenPage extends StatefulWidget {
  OpenPage({Key key}) : super(key: key);
  _OpenPageState createState() => _OpenPageState();
}

class _OpenPageState extends State<OpenPage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          title: Text("Flutter Demo"),
        ),
        body: Center(
          child: Column(
            children: <Widget>[
              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';
                  }
                },
              ),
              RaisedButton(
                child: Text('发送邮件'),
                onPressed: () async{
                  var url = 'mailto:smith@example.org?subject=News&body=New%20plugin';
                  if (await canLaunch(url)) {
                    await launch(url);
                  } else {
                    throw 'Could not launch $url';
                  }
                },
              ),
            ],
          ),
        )
    );
  }
}

```

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