forked from lxm_flutter/FlutterUnit
66 lines
2.0 KiB
Dart
66 lines
2.0 KiB
Dart
/// 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": 142,
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// "name": 'BottomSheet基本使用',
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// "priority": 1,
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// "subtitle":
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// "【builder】 : 组件构造器 【WidgetBuilder】\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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// "【onClosing】 : 关闭回调 【Function()】",
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// }
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import 'package:flutter/material.dart';
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class CustomBottomSheet extends StatefulWidget {
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const CustomBottomSheet({Key? key}) : super(key: key);
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@override
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_CustomBottomSheetState createState() => _CustomBottomSheetState();
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}
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class _CustomBottomSheetState extends State<CustomBottomSheet> {
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bool opened = false;
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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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opened = !opened;
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opened
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? Scaffold.of(context).showBottomSheet((_) => _buildBottomSheet())
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: Navigator.of(context).pop();
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},
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child: const Text(
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'点我显隐BottomSheet',
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style: TextStyle(color: Colors.white),
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));
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}
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Widget _buildBottomSheet() => BottomSheet(
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enableDrag: true,
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elevation: 4,
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.only(
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topRight: Radius.circular(60),
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topLeft: Radius.circular(60),
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)),
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backgroundColor: Colors.transparent,
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onClosing: () => print('onClosing'),
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builder: (_) => (Container(
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height: 250,
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decoration: const BoxDecoration(
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image: DecorationImage(
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image: AssetImage('assets/images/sabar_bar.webp'),
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fit: BoxFit.cover),
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borderRadius: BorderRadius.only(
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topRight: Radius.circular(60),
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topLeft: Radius.circular(60),
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)),
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)));
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}
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