import 'package:flutter/material.dart';
class TabBarControllerPage extends StatefulWidget {
TabBarControllerPage({Key? key}) : super(key: key);
@override
_TabBarControllerPageState createState() => _TabBarControllerPageState();
}
class _TabBarControllerPageState extends State<TabBarControllerPage>
with SingleTickerProviderStateMixin {
late TabController _tabController;
@override
void initState() {
// 生命周期函数
super.initState();
_tabController = new TabController(
length: 2,
vsync: this,
);
// 监听tab点击
_tabController.addListener(() {
print(_tabController.index);
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("TabBarControllerPage"),
bottom: TabBar(
controller: this._tabController,
tabs: [
Tab(text: '热销'),
Tab(text: '推荐'),
],
),
),
body: TabBarView(
controller: this._tabController,
children: [
Center(
child: Text("热销"),
),
Center(
child: Text("推荐"),
),
],
));
}
}