flutter的Toast

1.添加依赖

在pubspec.yaml文件中添加：

dependencies:
  flutter: sdk: flutter
  fluttertoast: ^7.0.2

  
 

  
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2.使用Toast

Fluttertoast.showToast( msg: "This is Center Short Toast", toastLength: Toast.LENGTH_SHORT, gravity: ToastGravity.CENTER, timeInSecForIosWeb: 1, backgroundColor: Colors.red, textColor: Colors.white, fontSize: 16.0 );

  
 

  
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3.例子

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:fluttertoast/fluttertoast.dart';

void main() => runApp(DemoApp());

class DemoApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) { return new MaterialApp( title: 'Image Picker Demo', home: new MyHomePage(), ), );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text("Hello World"), ), body: Center( child: RaisedButton( child: Text("Click"), onPressed: () { Fluttertoast.showToast(msg: "Hello world",textColor: Colors.black); }, ), ), );
  }
}
  
 

  
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文章来源: blog.csdn.net，作者：WongKyunban，版权归原作者所有，如需转载，请联系作者。

原文链接：blog.csdn.net/weixin_40763897/article/details/108231047