Files
FlutterUnit/lib/views/widgets/StatelessWidget/RadioListTile/node2_dense.dart
2020-05-03 23:05:53 +08:00

68 lines
1.9 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": 19,
// "priority": 2,
// "name": "RadioListTile选中色和密排",
// "subtitle": "【activeColor】 : 选中时颜色 【Color】\n"
// "【dense】: 是否密排 【bool】",
// }
enum ItemType {
java,
kotlin,
dart,
}
class ItemBean {
final String title;
final String subTitle;
final String imgUrl;
ItemBean(this.title, this.subTitle, this.imgUrl);
}
class DenseRadioListTile extends StatefulWidget {
@override
_DenseRadioListTileState createState() => _DenseRadioListTileState();
}
class _DenseRadioListTileState extends State<DenseRadioListTile> {
final Map<ItemType, ItemBean> languages = {
ItemType.java:
ItemBean("Java", "曾经世界上最流行的语言", "assets/images/java.jpeg"),
ItemType.kotlin:
ItemBean("Kotlin", "未来世界上最流行的语言", "assets/images/kotlin.jpg"),
ItemType.dart:
ItemBean("Dart", "世界上最优雅的语言", "assets/images/dart.jpg"),
};
var _type = ItemType.java;
@override
Widget build(BuildContext context) {
return Container(
color: Colors.grey.withAlpha(11),
child: Column(
mainAxisSize: MainAxisSize.min,
children: languages.keys
.map((type) => RadioListTile<ItemType>(
value: type,
groupValue: _type,
title: Text(languages[type].title),
activeColor: Colors.orangeAccent,
dense: true,
subtitle: Text(languages[type].subTitle),
selected: _type == type,
secondary: CircleAvatar(
backgroundImage: AssetImage(languages[type].imgUrl),
),
onChanged: (type) => setState(() => _type = type),
))
.toList()),
);
}
}