Files
2022-03-26 18:10:17 +08:00

52 lines
1.4 KiB
Dart

import 'package:flutter/cupertino.dart';
/// create by 张风捷特烈 on 2020/6/30
/// contact me by email 1981462002@qq.com
/// 说明:
///
// {
// "widgetId": 262,
// "name": 'iOS页签基本使用',
// "priority": 1,
// "subtitle":
// "【children】 : 组件Map 【Map<T, Widget>】\n"
// "【onValueChanged】 : 值改变回调 【ValueChanged<T>】\n"
// "【groupValue】 : 选中值 【T】\n"
// "【padding】 : 内边距 【EdgeInsetsGeometry】",
// }
class CupertinoSegmentedControlDemo extends StatefulWidget {
const CupertinoSegmentedControlDemo({Key? key}) : super(key: key);
@override
_CupertinoSegmentedControlDemoState createState() =>
_CupertinoSegmentedControlDemoState();
}
class _CupertinoSegmentedControlDemoState
extends State<CupertinoSegmentedControlDemo> {
int _value = 1;
@override
Widget build(BuildContext context) {
return CupertinoSegmentedControl<int>(
groupValue: _value,
onValueChanged: _onValueChanged,
padding: const EdgeInsets.only(top: 20),
children: const {
1: Padding(
padding: EdgeInsets.only(left: 20, right: 20),
child: Text("混沌战士"),
),
2: Text("青眼白龙"),
3: Text("黑魔术士"),
},
);
}
void _onValueChanged(int value) {
setState(() {
_value=value;
});
}
}