颤动-将TabBarView放在卷轴中

import 'package:flutter/material.dart';

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> with SingleTickerProviderStateMixin {
  TabController _tabController;

  @override
  void initState() {
    super.initState();
    _tabController = TabController(length: 2, vsync: this);
  }

  @override
  void dispose() {
    _tabController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('颤动-将TabBarView放在卷轴中'),
        bottom: TabBar(
          controller: _tabController,
          tabs: [
            Tab(text: '页面1'),
            Tab(text: '页面2'),
          ],
        ),
      ),
      body: TabBarView(
        controller: _tabController,
        children: [
          // 页面1的内容
          ListView.builder(
            itemCount: 20,
            itemBuilder: (context, index) => ListTile(title: Text('页面1 - 项目$index')),
          ),
          // 页面2的内容
          ListView.builder(
            itemCount: 10,
            itemBuilder: (context, index) => ListTile(title: Text('页面2 - 项目$index')),
          ),
        ],
      ),
    );
  }
}