flutter 右滑返回上一页

import 'package:flutter/material.dart';

import 'package:flutter_app/pages/SplashScreen.dart';

import 'right_back_demo.dart';

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

class MyApp extends StatelessWidget {

  @override

  Widget build(BuildContext context) {

    return MaterialApp(

      title: 'Flutter Demo',

      theme: ThemeData(

        primarySwatch: Colors.green,  //定义主题风格    primarySwatch

      ),

      home:  RightBackDemo(),

    );

  }

}

import 'package:flutter/cupertino.dart';

import 'MyHomePage.dart';

class RightBackDemo extends StatelessWidget {

  @override

  Widget build(BuildContext context) {

    return CupertinoPageScaffold(

      child: Center(

        child: Container(

          height: 100.0,

          width:100.0,

          color: CupertinoColors.activeBlue,

          child: CupertinoButton(

            child: Icon(CupertinoIcons.add),

            onPressed: (){

              Navigator.of(context).push(

                  CupertinoPageRoute(builder: (BuildContext context){

                    return MyHomePage();

                  })

              );

            },

          ),

        ),

      ),

    );

  }

}

即可