forked from lxm_flutter/FlutterUnit
79 lines
1.8 KiB
Dart
79 lines
1.8 KiB
Dart
import 'package:flutter/material.dart';
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/// create by 张风捷特烈 on 2020/4/30
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/// contact me by email 1981462002@qq.com
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/// 说明:
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// {
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// "widgetId": 94,
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// "name": 'Flex交叉轴对齐方式',
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// "priority": 3,
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// "subtitle":
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// "【crossAxisAlignment】 : 交叉轴对齐 【CrossAxisAlignment】",
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// }
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class CrossAxisAlignmentFlex extends StatelessWidget {
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CrossAxisAlignmentFlex({Key? key}) : super(key: key);
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static TextStyle textStyle =
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const TextStyle(color: Colors.white, fontWeight: FontWeight.bold);
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final Widget blueBox = Container(
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alignment: Alignment.center,
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color: Colors.blue,
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height: 20,
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width: 30,
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child: Text(
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'1',
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style: textStyle
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),
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);
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final Widget redBox = Container(
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alignment: Alignment.center,
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color: Colors.red,
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height: 30,
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width: 40,
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child: Text(
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'2',
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style: textStyle
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),
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);
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final Widget greenBox = Container(
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alignment: Alignment.center,
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color: Colors.green,
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height: 20,
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width: 20,
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child: Text(
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'3',
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style: textStyle
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),
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);
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@override
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Widget build(BuildContext context) {
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return Wrap(
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runSpacing: 5,
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children: CrossAxisAlignment.values
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.map((mode) => Column(children: <Widget>[
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Container(
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margin: const EdgeInsets.all(5),
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width: 160,
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height: 80,
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color: Colors.grey.withAlpha(33),
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child: _buildItem(mode)),
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Text(mode.toString().split('.')[1])
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]))
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.toList());
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}
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Widget _buildItem(mode) => Flex(
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direction: Axis.horizontal,
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crossAxisAlignment: mode,
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textBaseline: TextBaseline.alphabetic,
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children: <Widget>[
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blueBox, redBox, greenBox
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],
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);
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} |