44 lines
1.0 KiB
Dart
44 lines
1.0 KiB
Dart
import 'package:flutter/material.dart';
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// 提示信息, 组件右上角的小红点
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class Badged extends StatelessWidget {
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final String? badge;
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final Widget child;
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const Badged({Key? key, required this.child, this.badge}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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if (badge == null) {
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return child;
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}
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return Stack(
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children: [
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child,
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Positioned(
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right: 0,
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child: Container(
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padding: const EdgeInsets.all(1),
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decoration: BoxDecoration(
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color: Colors.red,
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borderRadius: BorderRadius.circular(6),
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),
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constraints: const BoxConstraints(
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minWidth: 12,
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minHeight: 12,
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),
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child: Text(
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badge!,
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style: const TextStyle(
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color: Colors.white,
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fontSize: 8,
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),
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textAlign: TextAlign.center,
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),
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),
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),
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],
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);
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}
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}
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