第4章常用组件

组件"/>

第4章常用组件

防采集标记：亢少军老师的课程和资料

import 'package:flutter/material.dart';void main() => runApp(new MyApp(//使用generate方法产生500条数据items: new List.generate(500, (i) => "Item $i"),
));class MyApp extends StatelessWidget {//列表数据集final List items;MyApp({Key key, @required this.items}) : super(key: key);@overrideWidget build(BuildContext context) {final title = "长列表示例";return MaterialApp(title: title,home: new Scaffold(appBar: new AppBar(title: new Text(title),),//使用ListView.builder来构造列表项body: new ListView.builder(//列表长度itemCount: items.length,//列表项构造器itemBuilder: (context,index) {return new ListTile(leading: new Icon(Icons.phone),title: new Text('${items[index]}'),);},),),);}
}

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@作者: 亢少军