Flutter 右划返回上一页

右划返回上一页

入口文件

import 'package:flutter/material.dart';
import 'right_back_demo.dart';
main(){
  runApp(MyApp());
}
class MyApp extends StatelessWidget {

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue
      ),
      home: RightBackDemo(),
    );
  }
}

方法文件

import 'package:flutter/cupertino.dart';

class RightBackDemo extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return CupertinoPageScaffold(
      child: Center(
        child: Container(
          width: 100,
          height: 100,
          color: CupertinoColors.activeBlue,
          child: CupertinoButton(
            child: Icon(CupertinoIcons.add,color: Color.fromARGB(333, 333, 333, 333),),
            // 触发事件
            onPressed: (){
              Navigator.of(context).push(
                CupertinoPageRoute(builder: (BuildContext context){
                  // 每次点击再打开一次当前的页面 
                  return RightBackDemo();
                })
              );
            },
          ),
        ),
      ),
    );
  }
}