显示一种网络图片

import 'package:flutter/material.dart';
main(){runApp(MaterialApp(theme: ThemeData.dark(),home:Home(),));}

class Home extends StatelessWidget{
  @override
  Widget build(BuildContext context) {
    // TODO: implement build
    return Scaffold(
      appBar:AppBar(title: Text("python"),centerTitle: true ,backgroundColor:Colors.red,),
      body: Image.network('https://pic2.zhimg.com/50/v2-060cd30fd5251c238ce5be1f9baa3741_hd.jpg?source=1940ef5c',height: 120,width: 120,fit: BoxFit.cover)
    );
  }

  }