import 'package:flutter/material.dart';

import 'package:flutter_testdemo001/res/listData.dart';

void main() {

  runApp(MyApp());

}

class MyApp extends StatelessWidget {

  const MyApp({Key key}) : super(key: key);

  @override

  Widget build(BuildContext context) {

    return MaterialApp(

      home: Scaffold(

        appBar: AppBar(

          title: Text("flutter demo"),

        ),

        body: HomeContent(),

      ),

    );

  }

}

class HomeContent extends StatelessWidget {

  @override

  Widget build(BuildContext context) {

    // return Center(

    //   child: Stack(

    //     alignment: Alignment.center,

    //     children: <Widget>[

    //       Container(

    //         height: 400,

    //         width: 300,

    //         color: Colors.red,

    //       ),

    //       Text("我是一个文本", style: TextStyle(fontSize: 20, color: Colors.white))

    //     ],

    //   ),

    // );

    return Center(

      child: Container(

        height: ,

        width: ,

        color: Colors.red,

        child: Stack(

          children: <Widget>[

            Align(

              alignment: Alignment.topLeft,

              child: Icon(Icons.home,size:,color: Colors.white),

            ),

            Align(

              alignment: Alignment.center,

              child: Icon(Icons.block,size:,color: Colors.white),

            ),

            Align(

              alignment: Alignment.bottomRight,

              child: Icon(Icons.search,size:,color: Colors.white),

            ),

          ],

        ),

      ),

    );

  }

}