142 lines
3.8 KiB
Dart
142 lines
3.8 KiB
Dart
import 'package:flutter/material.dart';
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import '../theme/app_theme.dart';
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/// 错误状态组件
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/// 用于显示错误时的友好提示
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class ErrorStateWidget extends StatelessWidget {
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final String? title;
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final String? message;
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final String? actionLabel;
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final VoidCallback? onRetry;
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final IconData icon;
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final bool showDetails;
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const ErrorStateWidget({
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super.key,
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this.title,
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this.message,
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this.actionLabel,
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this.onRetry,
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this.icon = Icons.error_outline,
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this.showDetails = false,
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});
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/// 默认错误状态
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factory ErrorStateWidget.generic({
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String? message,
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VoidCallback? onRetry,
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}) {
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return ErrorStateWidget(
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title: '加载失败',
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message: message ?? '请检查网络连接后重试',
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actionLabel: '重试',
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onRetry: onRetry,
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);
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}
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/// 权限错误
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factory ErrorStateWidget.permission({
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VoidCallback? onRetry,
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}) {
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return ErrorStateWidget(
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icon: Icons.security,
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title: '权限未授予',
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message: '需要授予应用使用权限才能追踪时间\n\n请在系统设置中开启"使用情况访问权限"',
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actionLabel: '去设置',
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onRetry: onRetry,
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);
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}
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/// 网络错误
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factory ErrorStateWidget.network({
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VoidCallback? onRetry,
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}) {
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return ErrorStateWidget(
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icon: Icons.wifi_off,
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title: '网络连接失败',
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message: '无法连接到服务器\n\n请检查网络连接后重试',
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actionLabel: '重试',
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onRetry: onRetry,
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);
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}
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/// 数据加载错误
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factory ErrorStateWidget.dataLoad({
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String? message,
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VoidCallback? onRetry,
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}) {
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return ErrorStateWidget(
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icon: Icons.cloud_off,
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title: '数据加载失败',
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message: message ?? '无法加载数据，请稍后重试',
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actionLabel: '重试',
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onRetry: onRetry,
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);
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}
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return Center(
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child: Padding(
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padding: const EdgeInsets.all(32),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Container(
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width: 100,
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height: 100,
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decoration: BoxDecoration(
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color: AppTheme.errorColor.withOpacity(0.1),
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shape: BoxShape.circle,
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),
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child: Icon(
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icon,
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size: 56,
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color: AppTheme.errorColor,
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),
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),
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const SizedBox(height: 24),
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Text(
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title ?? '出错了',
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style: theme.textTheme.titleLarge?.copyWith(
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fontWeight: FontWeight.w600,
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color: theme.colorScheme.error,
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),
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textAlign: TextAlign.center,
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),
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if (message != null) ...[
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const SizedBox(height: 12),
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Text(
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message!,
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style: theme.textTheme.bodyMedium?.copyWith(
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color: theme.colorScheme.onSurface.withOpacity(0.7),
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),
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textAlign: TextAlign.center,
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),
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],
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if (actionLabel != null && onRetry != null) ...[
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const SizedBox(height: 24),
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ElevatedButton.icon(
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onPressed: onRetry,
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icon: const Icon(Icons.refresh),
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label: Text(actionLabel!),
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style: ElevatedButton.styleFrom(
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backgroundColor: AppTheme.errorColor,
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foregroundColor: Colors.white,
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padding: const EdgeInsets.symmetric(
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horizontal: 24,
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vertical: 12,
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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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