Files
FlutterUnit/lib/views/widgets/StatelessWidget/PositionedDirectional/node1_base.dart
2020-05-03 23:05:53 +08:00

63 lines
1.5 KiB
Dart

import 'package:flutter/material.dart';
/// create by 张风捷特烈 on 2020-03-22
/// contact me by email 1981462002@qq.com
/// 说明:
// {
// "widgetId": 159,
// "name": 'PositionedDirectional基本使用',
// "priority": 1,
// "subtitle":
// "【child】 : 组件 【Widget】\n"
// "【top】 : 到父顶距离 【double】\n"
// "【end】 : 到父右距离 【double】\n"
// "【start】 : 到父左距离 【double】\n"
// "【bottom】 : 到父底距离 【double】",
// }
class CustomPositionedDirectional extends StatelessWidget {
@override
Widget build(BuildContext context) {
var yellowBox = Container(
color: Colors.yellow,
height: 100,
width: 100,
);
var redBox = Container(
color: Colors.red,
height: 90,
width: 90,
);
var greenBox = Container(
color: Colors.green,
height: 80,
width: 80,
);
var cyanBox = Container(
color: Colors.cyanAccent,
height: 70,
width: 70,
);
return Container(
width: 200,
height: 120,
color: Colors.grey.withAlpha(33),
child: Stack(
children: <Widget>[
yellowBox,
redBox,
PositionedDirectional(top: 20, start: 20, child: greenBox),
PositionedDirectional(
child: cyanBox,
bottom: 10,
end: 10,
)
],
));
}
}