AppBar


顶部导航Tab


import 'package:flutter/material.dart';
class AppbarPage extends StatelessWidget {
const AppbarPage({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return DefaultTabController(
length: 2,
child: Scaffold(
appBar: AppBar(
title: Text("Tab页面"),
bottom: TabBar(
tabs: [
Tab(text: "热门"),
Tab(text: "切换")
],
),
),
body: TabBarView(
physics: NeverScrollableScrollPhysics(),
children: [
ListView(
children: [
ListTile(
title: Text("第一个Tab"),
),
ListTile(
title: Text("第一个Tab"),
)
],
),
ListView(
children: [
ListTile(
title: Text("第二个Tab"),
),
ListTile(
title: Text("第二个Tab"),
)
],
)
],
),
),
);
}
}