46 lines
1.1 KiB
Dart
46 lines
1.1 KiB
Dart
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import 'package:flutter/material.dart';
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/// 加载遮罩组件
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class LoadingOverlay extends StatelessWidget {
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final bool isLoading;
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final Widget child;
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final String? message;
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const LoadingOverlay({
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super.key,
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required this.isLoading,
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required this.child,
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this.message,
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});
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@override
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Widget build(BuildContext context) {
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return Stack(
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children: [
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child,
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if (isLoading)
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Container(
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color: Colors.black.withOpacity(0.3),
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child: Center(
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child: Card(
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child: Padding(
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padding: const EdgeInsets.all(24),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const CircularProgressIndicator(),
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if (message != null) ...[
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const SizedBox(height: 16),
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Text(message!),
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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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],
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);
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}
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}
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