Flutter 如何避免在颤振中翻页

Flutter 如何避免在颤振中翻页,flutter,Flutter,以下代码为main.dart: import 'package:flutter/material.dart'; import 'landing page.dart'; void main() { runApp(new MaterialApp( home: LandingPages(), )); } 这是我的登录页类: import 'package:flutter/material.dart'; import 'package:lis

以下代码为
main.dart

import 'package:flutter/material.dart';
import 'landing page.dart';


    void main() {
      runApp(new MaterialApp(
        home: LandingPages(),
      ));
    }
这是我的登录页类:

import 'package:flutter/material.dart';
import 'package:listview/devices.dart';
import 'main.dart';

class LandingPages extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      title: 'Is there anybody out there?',
      home: new Scaffold(
          body: new Stack(
            children: <Widget>[
              new Container(
                decoration: new BoxDecoration(
                  image: new DecorationImage(
                      image: new AssetImage( 'images/landing.png'),
                      fit: BoxFit.cover
                  ),
                ),
              ),
              new InkWell(
                onTap: () =>print(Navigator.of(context).push(new MaterialPageRoute(builder:(BuildContext)=>MyApp()))),

              )

            ],
          )
      ),
    );
  }
}
导入“包装:颤振/材料.省道”;
导入“包:listview/devices.dart”;
导入“main.dart”;
类LandingPages扩展了无状态小部件{
@凌驾
小部件构建(构建上下文){
返回新材料PP(
标题:“外面有人吗?”,
家:新脚手架(
正文:新堆栈(
儿童:[
新容器(
装饰:新盒子装饰(
图片:新装饰图片(
image:newassetimage('images/landing.png'),
适合:BoxFit.cover
),
),
),
新墨水池(
onTap:()=>print(Navigator.of(context).push(newmaterialpageroute(builder:(BuildContext)=>MyApp()),
)
],
)
),
);
}
}
还有我的第二页,我可以很容易地返回到登录页:

import 'package:flutter/material.dart';
import 'package:listview/devicepage.dart';

void main(){
  runApp(new MaterialApp(
    home: new MyApp(),
  ));
}
class MyApp extends StatefulWidget{
  @override
  _State createState() =>new _State();

}
class _State extends State<MyApp>{

  List<bool> _data =new List<bool>();


  @override

  void initState() {
    setState(() {
      for (int i=0;i<10;i++){
        _data.add(false);
      }
    });
  }
  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar:new AppBar(
        title: new Text("خانه هوشمند"),
      ),
      body: new ListView.builder(
        itemCount: _data.length,
        itemBuilder: (BuildContext,int index){
          return   new Card(
            child: new Column(
              mainAxisSize: MainAxisSize.min,
              children: <Widget>[

                new Row(
                  mainAxisAlignment: MainAxisAlignment.start,
                  children: <Widget>[
                    new Image.asset(
                      'images/acc.png',
                      height: 100.0,
                      fit: BoxFit.contain,
                    ),
                  ],
                ),

                const ListTile(

                  title: const Text('نام دستگاه',textAlign: TextAlign.left,),
                  subtitle: const Text('آخرین وضعیت موجود',textAlign: TextAlign.left,),
                ),
                new ButtonTheme.bar( // make buttons use the appropriate styles for cards
                  child: new ButtonBar(
                    children: <Widget>[
                      new FlatButton(
                        child: const Text('بیشتر'),
                        onPressed: () { Navigator.push(context,MaterialPageRoute(builder: (context)=> DevicePage())); },
                      ),

                    ],
                  ),
                ),
              ],
            ),
          );


        },
      ),
    );
  }
}
导入“包装:颤振/材料.省道”;
导入“包:listview/devicepage.dart”;
void main(){
runApp(新材料)PP(
主页:新建MyApp(),
));
}
类MyApp扩展了StatefulWidget{
@凌驾
_State createState()=>new_State();
}
类_状态扩展状态{
列表_data=新列表();
@凌驾
void initState(){
设置状态(){
对于(int i=0;i DevicePage());},
),
],
),
),
],
),
);
},
),
);
}
}

在我的第二页中没有后退按钮,但当我使用手机中的后退按钮时,它会返回。有人能告诉我如何解决我的问题吗?

使用
Navigator.pushReplacement()
而不是在登录页中按
按钮