android - 使用 Cupertino 分段控制在第一页正文中打开第二页

Question

我正在使用 Cupertino Segmente Control ，我使用三个摆动创建了一个选项卡，并将三个小部件分配给首页正文。选择任何选项卡时，它会显示新小部件的正文。到目前为止，一切正常。产品加载在每个页面内，当我们选择产品时，它必须转到第二页。第二页打开，但在第一页的正文中。如果你帮助我，非常感谢你

void main() {
  runApp(MyApp());
}

class MyApp extends StatefulWidget {

  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  int groohEntkhabi = 1;

  final Map<int, Widget> logoBala = const <int, Widget>{
    0: Text("کشاورزی" ,style: TextStyle(fontSize: 14),),
    1: Text("خرید فروش" ,style: TextStyle(fontSize: 14),),
    2: Text("رهن و اجاره" ,style: TextStyle(fontSize: 14),),
  };

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
     
      home: Scaffold(
        appBar: AppBar(
          backgroundColor: Colors.white,
          iconTheme: IconThemeData(color: Colors.blue),
          //centerTitle: true,
          title: Container(

              child: Row(
                children: [
                  Expanded(

                    child: CupertinoSegmentedControl(
                      padding: EdgeInsets.all(0.0),
                      groupValue: groohEntkhabi,
                      onValueChanged: (changeFromGroupValue) {
                        setState(() {
                          groohEntkhabi = changeFromGroupValue;
                        });
                      },
                      children: logoBala,
                    ),
                  ),
                ],
              )


          ),

          actions: [

            IconButton(icon: Icon(Icons.search), onPressed: (){}),
          ],
        ),
        drawer: MyDraver(),
        bottomNavigationBar: MyBottomNavigation(),
        floatingActionButton: FloatingActionButton.extended(
          onPressed: () {}, label: Text("ثبت رایگان آگهی",style: TextStyle(color: Colors.white),), icon:Icon(Icons.add,color: Colors.white,),backgroundColor: Colors.blue,
        ),
        // floatingActionButton: FloatingActionButton(onPressed: (){
        //   // Navigator.of(context).push(MaterialPageRoute(
        //   //     builder: (context) => Shoab()
        //   // ));
        // },
        //   shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10.0)),
        //   backgroundColor: Colors.deepOrange,
        //   child:Center(child: Text("ثبت رایگان آگهی")),),
        floatingActionButtonLocation: FloatingActionButtonLocation.centerDocked,


        body:
        (
            _childern(groohEntkhabi)
        ),
      ),
    );
  }
  Widget _childern(index){
    List<Widget> page_screen=[];
    page_screen.add(_keshavarzi());
    page_screen.add(kharidFroosh());
    page_screen.add(_ejare());
    return page_screen[index];

  }

  Widget kharidFroosh(){

    return MaterialApp(
        debugShowCheckedModeBanner: false,
        localizationsDelegates: [
          // ... app-specific localization delegate[s] here
          GlobalMaterialLocalizations.delegate,
          GlobalWidgetsLocalizations.delegate,
          GlobalCupertinoLocalizations.delegate,
        ],
        supportedLocales: [
          const Locale('en', ''), // farsi
        ],

        home: ListView.builder(padding: EdgeInsets.only(top: 3.0,left: 3.0,right: 3.0),

          itemBuilder: mycard_view1,itemCount: 5,));
  }
  Widget mycard_view1(BuildContext context ,int index){
    String mogheiatt ="کوی ملا نفس";
    String mogheiat = mogheiatt.length>14 ? mogheiatt.substring(0,14):mogheiatt;
    return Card(
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(10.0),),
      elevation: 1.0,

      //color: Colors.blue,

      child: InkWell(

        onTap: (){

          Navigator.of(context).push(MaterialPageRoute(
              builder: (BuildContext context) => Safhe2_kharid_froosh()));
        },
        child: Stack(
          children: <Widget> [


            Container(margin: EdgeInsets.fromLTRB(50.0, 5.0, 5.0, 5.5),
              height: 160.0,
              width: double.infinity,
              decoration: BoxDecoration(color: Colors.white,borderRadius: BorderRadius.circular(20.0)),
              child: Padding(
                padding:  EdgeInsets.fromLTRB(100.0,10.0,10.0,2.0),
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.center,
                  crossAxisAlignment: CrossAxisAlignment.end,
                  children: <Widget>[

                    Text("فروش ویلایی",style: TextStyle(fontFamily: "shabnammedium",fontSize: 15.0),),
                    SizedBox(
                      height: 7.0,
                    ),
                    Text("قیمت : 850 م تومان",style: TextStyle(fontFamily: "shabnammedium",fontSize: 15.0),),
                    SizedBox(
                      height: 7.0,
                    ),
                    Text("متراژ : 85 متر ",style: TextStyle(fontFamily: "shabnammedium",fontSize: 15.0),),
                    SizedBox(
                      height: 30.0,
                    ),
                    Row(
                      //crossAxisAlignment: CrossAxisAlignment.start,
                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
                      children: [
                        Container(

                          decoration: BoxDecoration(color: Color(0xffe1f5fe),borderRadius: BorderRadius.circular(10.0),),
                          child: Center(child: Padding(
                            padding:  EdgeInsets.only(left: 3.0,right: 3.0),
                            child: Row(
                              children: [
                                Text("روز پیش",style: TextStyle(fontFamily: "shabnamlight",color: Colors.black87),),
                                Text("5",style: TextStyle(fontFamily: "shabnamlight",color: Colors.black87),),

                              ],
                            ),
                          )),
                          // width: 70.0,
                        ),
                        Container(

                          child: Row(
                            children: [
                              Text("...",style: TextStyle(fontFamily: "shabnamlight",color: Colors.black87),),
                              Text(mogheiat,style: TextStyle(fontFamily: "shabnamlight",color: Colors.black87),
                                maxLines: 1,
                                overflow: TextOverflow.ellipsis,
                              ),

                            ],
                          ),
                          //width: 100.0,

                        ),


                      ],
                    ),




                  ],
                ),
              ),
            ),

            Positioned(
              left: 10.0,
              top: 5.0,
              bottom: 5.0,
              child: ClipRRect(borderRadius: BorderRadius.circular(15.0),

                child:Image.asset("images/home.jpg",width: 130,fit: BoxFit.cover,),
              ),
            ),

          ],
        ),
      ),
    );
  }
  Widget _keshavarzi(){
    return Keshavarzi();
  }
  Widget _ejare(){
    return Ejare();
  }
}

这是我的图片应用

这是我在第一页正文中的第二页

这是我的第一页

标签： androidflutterdesign-patterns