622 lines
18 KiB
Dart
622 lines
18 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import '../../../constants/app_constants.dart';
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import '../../../config/app_config.dart';
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/// 时间: 2026-03-27
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/// 功能: 应用数据管理页面
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/// 介绍: 显示软件包、软件数据，提供清空缓存、清空数据等功能
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/// 最新变化: 新建页面
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class AppDataPage extends StatefulWidget {
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const AppDataPage({super.key});
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@override
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State<AppDataPage> createState() => _AppDataPageState();
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}
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class _AppDataPageState extends State<AppDataPage> {
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int _sharedPrefsCount = 0;
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bool _isLoading = true;
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@override
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void initState() {
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super.initState();
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_loadDataInfo();
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}
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Future<void> _loadDataInfo() async {
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final prefs = await SharedPreferences.getInstance();
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final keys = prefs.getKeys();
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setState(() {
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_sharedPrefsCount = keys.length;
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_isLoading = false;
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});
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}
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Future<void> _clearSharedPreferences() async {
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final confirmed = await _showConfirmDialog(
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'清空配置数据',
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'确定要清空所有配置数据吗？\n\n这将重置所有用户设置，包括：\n• 协议同意状态\n• 用户体验计划\n• 启动设置\n• 其他偏好设置\n\n此操作不可撤销。',
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);
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if (confirmed != true) return;
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try {
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final prefs = await SharedPreferences.getInstance();
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// 先获取所有键
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final keys = prefs.getKeys().toList();
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debugPrint('清空前配置项: $keys');
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// 清空所有数据
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final success = await prefs.clear();
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debugPrint('清空结果: $success');
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// 验证是否清空成功
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final remainingKeys = prefs.getKeys();
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debugPrint('清空后剩余配置项: $remainingKeys');
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if (mounted) {
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// 先关闭当前页面，避免状态问题
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Navigator.of(context).pop();
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// 延迟显示提示，确保页面已关闭
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Future.delayed(const Duration(milliseconds: 300), () {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: const Text('配置数据已清空，请重新启动应用'),
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backgroundColor: AppConstants.primaryColor,
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duration: const Duration(seconds: 3),
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),
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);
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}
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});
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}
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} catch (e) {
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debugPrint('清空配置数据失败: $e');
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('清空失败: $e'), backgroundColor: Colors.red),
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);
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}
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}
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}
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Future<void> _clearAllData() async {
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final confirmed = await _showConfirmDialog(
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'清空所有数据',
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'⚠️ 危险操作 ⚠️\n\n确定要清空所有数据吗？\n\n这将删除：\n• 所有配置数据\n• 所有历史记录\n• 所有收藏数据\n• 所有笔记数据\n• 所有缓存数据\n\n应用将恢复到初始状态，此操作不可撤销！',
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);
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if (confirmed != true) return;
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final doubleConfirmed = await _showConfirmDialog(
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'再次确认',
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'这是最后一次确认！\n\n清空后数据将无法恢复，确定继续吗？',
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);
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if (doubleConfirmed != true) return;
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try {
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final prefs = await SharedPreferences.getInstance();
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// 先获取所有键
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final keys = prefs.getKeys().toList();
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debugPrint('清空前配置项: $keys');
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// 清空所有数据
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final success = await prefs.clear();
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debugPrint('清空结果: $success');
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// 验证是否清空成功
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final remainingKeys = prefs.getKeys();
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debugPrint('清空后剩余配置项: $remainingKeys');
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if (mounted) {
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// 先关闭当前页面，避免状态问题
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Navigator.of(context).pop();
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// 延迟显示提示，确保页面已关闭
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Future.delayed(const Duration(milliseconds: 300), () {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: const Text('所有数据已清空，请重新启动应用'),
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backgroundColor: Colors.orange,
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duration: const Duration(seconds: 3),
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),
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);
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}
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});
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}
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} catch (e) {
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debugPrint('清空所有数据失败: $e');
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('清空失败: $e'), backgroundColor: Colors.red),
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);
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}
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}
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}
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Future<void> _clearCache() async {
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final confirmed = await _showConfirmDialog(
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'清空缓存',
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'确定要清空缓存数据吗？\n\n这将清除临时文件和缓存，不会影响用户数据。',
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);
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if (confirmed != true) return;
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: const Text('缓存已清空'),
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backgroundColor: AppConstants.primaryColor,
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),
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);
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}
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}
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Future<void> _exportData() async {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: const Text('数据导出功能开发中...'),
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backgroundColor: Colors.grey[600],
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),
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);
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}
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}
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Future<void> _importData() async {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: const Text('数据导入功能开发中...'),
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backgroundColor: Colors.grey[600],
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),
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);
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}
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}
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Future<bool?> _showConfirmDialog(String title, String content) {
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return showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
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title: Row(
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children: [
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Icon(
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title.contains('⚠️') ? Icons.warning : Icons.help_outline,
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color: title.contains('⚠️')
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? Colors.orange
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: AppConstants.primaryColor,
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),
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const SizedBox(width: 8),
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Expanded(child: Text(title, style: const TextStyle(fontSize: 18))),
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],
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),
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content: Text(content),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context, false),
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child: Text('取消', style: TextStyle(color: Colors.grey[600])),
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),
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ElevatedButton(
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onPressed: () => Navigator.pop(context, true),
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style: ElevatedButton.styleFrom(
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backgroundColor: title.contains('危险') || title.contains('再次')
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? Colors.red
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: AppConstants.primaryColor,
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foregroundColor: Colors.white,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(8),
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),
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),
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child: const Text('确定'),
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),
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],
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),
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);
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}
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void _showRestartDialog() {
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showDialog(
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context: context,
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barrierDismissible: false,
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builder: (context) => AlertDialog(
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
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title: Row(
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children: [
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Icon(Icons.refresh, color: AppConstants.primaryColor),
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const SizedBox(width: 8),
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const Text('需要重启'),
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],
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),
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content: const Text('数据已清空，需要重启应用才能生效。'),
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actions: [
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ElevatedButton(
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onPressed: () {
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Navigator.of(context).pop();
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: AppConstants.primaryColor,
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foregroundColor: Colors.white,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(8),
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),
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),
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child: const Text('知道了'),
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),
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],
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),
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);
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}
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void _showSnackBar(String message) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(message),
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backgroundColor: AppConstants.primaryColor,
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),
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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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return Scaffold(
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backgroundColor: const Color(0xFFF5F5F5),
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appBar: AppBar(
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title: Text(
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'应用数据',
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style: TextStyle(
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color: AppConstants.primaryColor,
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fontWeight: FontWeight.bold,
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),
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),
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backgroundColor: Colors.white,
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elevation: 0,
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centerTitle: true,
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leading: IconButton(
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icon: Icon(Icons.arrow_back, color: AppConstants.primaryColor),
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onPressed: () => Navigator.of(context).pop(),
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),
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),
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body: _isLoading
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? const Center(child: CircularProgressIndicator())
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: ListView(
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padding: const EdgeInsets.all(16),
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children: [
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_buildDataOverviewCard(),
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const SizedBox(height: 16),
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_buildDataManagementCard(),
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const SizedBox(height: 16),
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_buildDataBackupCard(),
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const SizedBox(height: 16),
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_buildDangerZoneCard(),
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const SizedBox(height: 24),
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_buildBottomInfo(),
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],
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),
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);
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}
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Widget _buildDataOverviewCard() {
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return Container(
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(16),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.05),
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blurRadius: 10,
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offset: const Offset(0, 2),
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),
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],
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),
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child: Column(
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children: [
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Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: AppConstants.primaryColor.withValues(alpha: 0.1),
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borderRadius: const BorderRadius.vertical(
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top: Radius.circular(16),
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),
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),
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child: Row(
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children: [
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Icon(Icons.storage, color: AppConstants.primaryColor),
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const SizedBox(width: 8),
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const Text(
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'数据概览',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
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),
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],
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),
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),
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_buildDataItem('📦 软件包', '情景诗词 v1.2.19'),
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_buildDivider(),
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_buildDataItem('📱 配置项数量', '$_sharedPrefsCount 项'),
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_buildDivider(),
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_buildDataItem('💾 缓存大小', '计算中...'),
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_buildDivider(),
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_buildDataItem('📊 数据库大小', '计算中...'),
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],
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),
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);
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}
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Widget _buildDataItem(String label, String value) {
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(label, style: const TextStyle(fontSize: 14)),
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Text(value, style: TextStyle(fontSize: 14, color: Colors.grey[600])),
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],
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),
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);
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}
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Widget _buildDivider() {
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return Divider(
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height: 1,
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indent: 16,
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endIndent: 16,
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color: Colors.grey[200],
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);
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}
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Widget _buildDataManagementCard() {
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return Container(
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(16),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.05),
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blurRadius: 10,
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offset: const Offset(0, 2),
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),
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],
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),
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child: Column(
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children: [
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Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Colors.blue.withValues(alpha: 0.1),
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borderRadius: const BorderRadius.vertical(
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top: Radius.circular(16),
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),
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),
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child: Row(
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children: [
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Icon(Icons.manage_accounts, color: Colors.blue[700]),
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const SizedBox(width: 8),
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const Text(
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'数据管理',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
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),
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],
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),
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),
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_buildActionButton(
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'🗑️ 清空缓存',
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'清除临时文件和缓存数据',
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Icons.cleaning_services,
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Colors.blue,
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_clearCache,
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),
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_buildDivider(),
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_buildActionButton(
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'⚙️ 清空配置数据',
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'重置所有用户设置和偏好',
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Icons.settings_backup_restore,
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Colors.orange,
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_clearSharedPreferences,
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),
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_buildDivider(),
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_buildActionButton(
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'📋 查看配置详情',
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'查看所有存储的配置项',
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Icons.list_alt,
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Colors.green,
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() => _showSnackBar('功能开发中...'),
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),
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],
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),
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);
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}
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Widget _buildDataBackupCard() {
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return Container(
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(16),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.05),
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blurRadius: 10,
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offset: const Offset(0, 2),
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),
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],
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),
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child: Column(
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children: [
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Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Colors.green.withValues(alpha: 0.1),
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borderRadius: const BorderRadius.vertical(
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top: Radius.circular(16),
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),
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),
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child: Row(
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children: [
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Icon(Icons.backup, color: Colors.green[700]),
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const SizedBox(width: 8),
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const Text(
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'数据备份',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
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),
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],
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),
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),
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_buildActionButton(
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'📤 导出数据',
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'将数据导出到本地文件',
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Icons.file_upload,
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Colors.green,
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_exportData,
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),
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_buildDivider(),
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_buildActionButton(
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'📥 导入数据',
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'从本地文件导入数据',
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Icons.file_download,
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Colors.green,
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_importData,
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),
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_buildDivider(),
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_buildActionButton(
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'☁️ 云端同步',
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'同步数据到云端',
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Icons.cloud_sync,
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Colors.purple,
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() => _showSnackBar('云端同步功能开发中...'),
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),
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],
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),
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);
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}
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Widget _buildDangerZoneCard() {
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return Container(
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(16),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.05),
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blurRadius: 10,
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offset: const Offset(0, 2),
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),
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],
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),
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child: Column(
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children: [
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Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Colors.red.withValues(alpha: 0.1),
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borderRadius: const BorderRadius.vertical(
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top: Radius.circular(16),
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),
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),
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child: Row(
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children: [
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Icon(Icons.warning_amber, color: Colors.red[700]),
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const SizedBox(width: 8),
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const Text(
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'危险区域',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.bold,
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color: Colors.red,
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),
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),
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],
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),
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),
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_buildActionButton(
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'⚠️ 清空所有数据',
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'删除所有数据，恢复初始状态',
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Icons.delete_forever,
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Colors.red,
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_clearAllData,
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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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Widget _buildActionButton(
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String title,
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String subtitle,
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IconData icon,
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Color color,
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VoidCallback onTap,
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) {
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return InkWell(
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onTap: onTap,
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borderRadius: BorderRadius.circular(8),
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Row(
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children: [
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Container(
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width: 44,
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height: 44,
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decoration: BoxDecoration(
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color: color.withValues(alpha: 0.1),
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borderRadius: BorderRadius.circular(12),
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),
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child: Icon(icon, color: color, size: 22),
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),
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const SizedBox(width: 12),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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title,
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style: const TextStyle(
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fontSize: 15,
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fontWeight: FontWeight.w500,
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),
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),
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const SizedBox(height: 2),
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Text(
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subtitle,
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style: TextStyle(fontSize: 12, color: Colors.grey[600]),
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),
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],
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),
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),
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Icon(Icons.chevron_right, color: Colors.grey[400]),
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],
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),
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),
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);
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}
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Widget _buildBottomInfo() {
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return Center(
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child: Column(
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children: [
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Icon(Icons.info_outline, color: Colors.grey[400], size: 32),
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const SizedBox(height: 8),
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Text(
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'数据安全提示',
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style: TextStyle(
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fontSize: 14,
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color: Colors.grey[600],
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fontWeight: FontWeight.w500,
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),
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),
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const SizedBox(height: 4),
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Text(
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'清空数据前请先备份重要数据',
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style: TextStyle(fontSize: 12, color: Colors.grey[500]),
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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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