demo

import 'package:flutter/material.dart';void main() => runApp(new MyApp());class MyApp extends StatelessWidget {  @override  Widget build(BuildContext context) {    return MaterialApp(      title: 'Ajnauw',      theme: ThemeData(        primarySwatch: Colors.blue,      ),      home: MyHomePage(),    );  }}class MyHomePage extends StatefulWidget {  MyHomePage({Key key}) : super(key: key);  @override  _MyHomePageState createState() => _MyHomePageState();}class _MyHomePageState extends State
    
      {  @override  Widget build(BuildContext context) {    return Scaffold(      appBar: AppBar(        title: Text('demo'),      ),      body: ListView(        children: 
     
      [          RaisedButton(            onPressed: () {              // 点击触发事件，页面入栈              Navigator.of(context).push(                MaterialPageRoute(builder: (BuildContext context) {                  return Scaffold(                    appBar: AppBar(                      title: Text('New Page'),                    ),                    body: Center(                      child: Container(                        child: Column(                          mainAxisAlignment: MainAxisAlignment.center,                          children: 
      
       [                            Text('New Page Body.'),                            RaisedButton(                              color: Theme.of(context).accentColor,                              onPressed: () {                                // 页面出栈                                Navigator.pop(context);                              },                              child: Text('Back Page'),                            ),                          ],                        ),                      ),                    ),                  );                }),              );              // Navigator.push(              //   context,              //   MaterialPageRoute(builder: (BuildContext context) {              //     return Scaffold(              //       appBar: AppBar(              //         title: Text('New Page'),              //       ),              //       body: Center(              //         child: Text('New Page Body.'),              //       ),              //     );              //   }),              // );            },            child: Text('跳转新页面'),          ),        ],      ),    );  }}
      
     
    

配置 routes 跳转

import 'package:flutter/material.dart';void main() => runApp(new MyApp());class MyApp extends StatelessWidget {  @override  Widget build(BuildContext context) {    return MaterialApp(      title: 'Ajnauw',      theme: ThemeData(        primarySwatch: Colors.blue,      ),      home: MyHomePage(),      routes: 
    
     {        '/a': (BuildContext context) => MyPage(title: 'page A'),        '/b': (BuildContext context) => MyPage(title: 'page B'),        '/c': (BuildContext context) => MyPage(title: 'page C'),      },    );  }}class MyHomePage extends StatefulWidget {  MyHomePage({Key key}) : super(key: key);  @override  _MyHomePageState createState() => _MyHomePageState();}class _MyHomePageState extends State
     
       {  final List
      
        _pages = 
       
        ['/a', '/b', '/c'];  String togoPage = '/b';  _handleRadioValueChange(String nv) {    setState(() {      togoPage = nv;    });  }  // 返回一个小widget  Widget _generagorRadio(String pageName) {    return GestureDetector(      onTap: () {        _handleRadioValueChange(pageName);      },      child: Container(        decoration: BoxDecoration(          color: Colors.grey[200],        ),        margin: EdgeInsets.only(top: 8.0),        child: Row(          children: 
        
         [            Radio(              value: pageName,              onChanged: _handleRadioValueChange,              groupValue: togoPage,            ),            Text(pageName),          ],        ),      ),    );  }  @override  Widget build(BuildContext context) {    return Scaffold(      appBar: AppBar(        title: Text('demo'),      ),      body: ListView(        children: 
         
          [ Container( margin: EdgeInsets.only(left: 8.0, right: 8.0), child: Column( children: _pages .map((String pageName) => _generagorRadio(pageName)) .toList(), ), ), Container( margin: EdgeInsets.only(left: 8.0, right: 8.0, top: 8.0), child: RaisedButton( onPressed: () { // 点击触发事件，页面入栈 Navigator.pushNamed(context, togoPage); }, color: Theme.of(context).primaryColor, child: Text('跳转新页面 $togoPage'), ), ), ], ), ); }}class MyPage extends StatelessWidget { final String title; MyPage({Key key, this.title}) : super(key: key); @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text(title), ), body: Center( child: Text(title), ), ); }}