forked from lxm_flutter/FlutterUnit
55 lines
1.8 KiB
Dart
55 lines
1.8 KiB
Dart
import 'package:flutter/material.dart';
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/// create by 张风捷特烈 on 2020-03-25
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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": 140,
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// "name": 'SnackBar基本使用',
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// "priority": 1,
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// "subtitle":
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// "【content】 : 中间内容组件 【Widget】\n"
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// "【action】 : 右侧按钮 【SnackBarAction】\n"
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// "【duration】 : 持续时长 【Widget】\n"
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// "【backgroundColor】 : 背景色 【Color】\n"
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// "【elevation】 : 影深 【double】\n"
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// "【shape】 : 形状 【ShapeBorder】\n"
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// "【onVisible】 : 显示时回调 【Function()】",
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// }
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class CustomSnackBar extends StatefulWidget {
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const CustomSnackBar({Key? key}) : super(key: key);
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@override
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_CustomSnackBarState createState() => _CustomSnackBarState();
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}
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class _CustomSnackBarState extends State<CustomSnackBar> {
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@override
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Widget build(BuildContext context) {
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return FlatButton(
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color: Colors.blue,
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onPressed: () =>
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Scaffold.of(context).showSnackBar(_buildSnackBar()),
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child: const Text(
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'点我弹出SnackBar',
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style: TextStyle(color: Colors.white),
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));
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}
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SnackBar _buildSnackBar() {
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return SnackBar(
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elevation: 3,
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.only(
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topLeft: Radius.circular(10), topRight: Radius.circular(10))),
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content: const Text('Wellcome to for join Flutter Unit!'),
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duration: const Duration(seconds: 3),
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//持续时间
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backgroundColor: Colors.red,
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onVisible: () => print('onVisible'),
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action: SnackBarAction(
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textColor: Colors.white, label: '确定', onPressed: () {}),
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);
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}
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}
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