import 'package:flutter/material.dart'; /// create by 张风捷特烈 on 2020/5/3 /// contact me by email 1981462002@qq.com /// 说明: // { // "widgetId": 204, // "name": 'PreferredSize调整AppBar高度', // "priority": 1, // "subtitle": "【preferredSize】 : 尺寸 【Size】", // } class CustomPreferredSize extends StatelessWidget { @override Widget build(BuildContext context) { return Container( height: 200, child: Scaffold( appBar: PreferredSize( preferredSize: Size.fromHeight(150), child: AppBar( title: Text('PreferredSize'), ), ), ), ); } }