Flutter 布局练习之Wrap组件
2019/12/27 18:44:57 | 阅1733 | 来源:好空间网络 [打印] [关闭] |
import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { // TODO: implement build return MaterialApp( title: "多窗口切换标题", home: Scaffold( appBar: AppBar( title: Text("Wrap布局练习"), ), body: MyWrap(), ), ); } } class MyWrap extends StatelessWidget { ///wrap流式布局,当一行放不下的时候他会自动换行 /// @override Widget build(BuildContext context) { return Wrap( ///主轴对齐方式,默认水平 vertical为垂直对齐 //direction: Axis.vertical, ///子widget对齐方式 alignment: WrapAlignment.center, ///主轴说元素的间距 spacing: 10, ///次轴的元素间距 runSpacing: 20, children: <Widget>[ MyButton("第一季"), MyButton("第一季"), MyButton("第一季长度不一样"), MyButton("第一季"), MyButton("第一季"), MyButton("第一季"), MyButton("第一季"), MyButton("第一季之第N季"), MyButton("第一季"), MyButton("第一季"), MyButton("第一季"), ], ); } } class MyButton extends StatelessWidget { final String tile; MyButton(this.tile, {Key key}); @override Widget build(BuildContext context) { return RaisedButton( child: Text(tile), onPressed: () {}, ); } }
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