點(diǎn)擊展開關(guān)閉
import 'package:flutter/material.dart';
import 'expansion_tile_demo.dart';
main(){
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData.dark(),
home: ExpansionTileDemo()
);
}
}
import 'package:flutter/material.dart';
class ExpansionTileDemo extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: Text('Expansion Tile Demo')),
body: Center(
child: ExpansionTile(
title: Text('Expansion Tile '),
// 放開始的組件
leading: Icon(Icons.ac_unit),
// 設(shè)置點(diǎn)開后的背景顏色
backgroundColor: Colors.white24,
// 設(shè)置展開顯示的內(nèi)容
children: <Widget>[
ListTile(
title: Text('List title'),
subtitle: Text('Subtitle'),
)
],
// 第一次顯示打開的狀態(tài)
//initiallyExpanded: true,
),
),
);
}
}
