diff --git a/lib/features/home/presentation/widgets/ImmersionHeader.dart b/lib/features/home/presentation/widgets/ImmersionHeader.dart index e9ac0713..47b3853f 100644 --- a/lib/features/home/presentation/widgets/ImmersionHeader.dart +++ b/lib/features/home/presentation/widgets/ImmersionHeader.dart @@ -4,6 +4,8 @@ import 'package:flutter_bloc/flutter_bloc.dart'; import 'package:go_router/go_router.dart'; import 'package:google_fonts/google_fonts.dart'; import 'package:maibu_satabot_v2/features/devices/domain/entities/device_entity.dart'; +import 'package:maibu_satabot_v2/features/home/presentation/widgets/common/commonFn.dart'; +import 'package:shared_preferences/shared_preferences.dart'; import '../../../../core/app/app_user_cubit.dart'; import '../../../../core/router/route_paths.dart'; @@ -310,6 +312,8 @@ class ImmersionHeader extends StatelessWidget { : () async { // 💡 执行切换逻辑 await context.read().switchDevice(device); + await LocationUtils.clearAllPlotCache(); + // 切换成功后，UI 会自动更新（因为 BlocBuilder 在监听），我们可以关闭弹窗 if (context.mounted) { Navigator.pop(context); diff --git a/lib/features/home/presentation/widgets/common/commonFn.dart b/lib/features/home/presentation/widgets/common/commonFn.dart index ca843347..399c6ab0 100644 --- a/lib/features/home/presentation/widgets/common/commonFn.dart +++ b/lib/features/home/presentation/widgets/common/commonFn.dart @@ -1,6 +1,17 @@ -// common/location_utils.dart -/// 定位质量解析工具类 +import 'package:shared_preferences/shared_preferences.dart'; +import 'dart:convert'; + +/// 定位质量解析 + 缓存管理 工具类 class LocationUtils { + // ==================== 1. 缓存键常量（全局复用） ==================== + static const String kSavedPlotData = 'saved_plot_data'; + static const String kSavedGcjPathPoints = 'saved_gcj_path_points'; + static const String kSavedGcjOuterPoints = 'saved_gcj_outer_points'; + static const String kSavedMarkedPoints = 'saved_marked_points'; + static const String kSavedObstacleHoles = 'saved_obstacle_holes'; + static const String kSavedIsWorkAreaCompleted = 'saved_is_work_area_completed'; + + // ==================== 2. 定位质量解析相关方法 ==================== /// 解析定位质量值为可读字符串 /// [locationValue] 定位质量编码（0/1/2/4/5） /// 返回：对应的中文描述 @@ -25,17 +36,60 @@ class LocationUtils { switch (value) { case 3: return '远程控制'; - default: return '本地控制'; } } - // 【可选扩展】可添加更多定位相关工具方法 - // 示例：校验定位质量是否有效 + /// 校验定位质量是否有效 static bool isLocationValid(int locationValue) { return locationValue != 0; } - + // ==================== 3. 缓存操作相关方法（可选扩展，按需添加） ==================== + /// 保存坐标点数组到 SharedPreferences（自动序列化） + static Future saveLatLngList(String key, List points) async { + final prefs = await SharedPreferences.getInstance(); + // 将数组序列化为 JSON 字符串存储 + await prefs.setString(key, json.encode(points)); + } + + /// 读取坐标点数组（自动反序列化） + static Future> getLatLngList(String key) async { + final prefs = await SharedPreferences.getInstance(); + final jsonStr = prefs.getString(key); + if (jsonStr == null || jsonStr.isEmpty) return []; + try { + return json.decode(jsonStr) as List; + } catch (e) { + print('读取缓存数组失败: $e, key=$key'); + return []; + } + } + + /// 清除指定缓存键 + static Future clearCache(String key) async { + final prefs = await SharedPreferences.getInstance(); + if (prefs.containsKey(key)) { + await prefs.remove(key); + } + } + + /// 清除所有定位/地块相关缓存（仅清除本类定义的键） + static Future clearAllPlotCache() async { + final prefs = await SharedPreferences.getInstance(); + // 批量清除本类定义的缓存键 + final cacheKeys = [kSavedPlotData, kSavedGcjPathPoints, kSavedGcjOuterPoints, kSavedMarkedPoints, kSavedObstacleHoles, kSavedIsWorkAreaCompleted]; + for (final key in cacheKeys) { + if (prefs.containsKey(key)) { + await prefs.remove(key); + } + } + } + + // 在 LocationUtils 类中添加 + static Future getBool(String key, {bool defaultValue = false}) async { + final prefs = await SharedPreferences.getInstance(); + return prefs.getBool(key) ?? defaultValue; + } } diff --git a/lib/features/home/presentation/widgets/map/testmap_pages.dart b/lib/features/home/presentation/widgets/map/testmap_pages.dart index ee4487a8..013eaecc 100644 --- a/lib/features/home/presentation/widgets/map/testmap_pages.dart +++ b/lib/features/home/presentation/widgets/map/testmap_pages.dart @@ -31,6 +31,7 @@ import 'package:maibu_satabot_v2/features/devices/presentation/bloc/device_statu import 'package:maibu_satabot_v2/features/devices/presentation/bloc/devices_cubit.dart'; import 'package:maibu_satabot_v2/features/devices/presentation/bloc/devices_state.dart'; import 'package:maibu_satabot_v2/features/home/presentation/widgets/BottomDirectionLine.dart'; +import 'package:maibu_satabot_v2/features/home/presentation/widgets/common/commonFn.dart'; import 'package:maibu_satabot_v2/features/home/presentation/widgets/common/enum.dart'; import 'package:maibu_satabot_v2/components/input_confirm_dialog.dart'; import 'package:maibu_satabot_v2/features/home/presentation/widgets/common/tracepoint.dart'; @@ -205,12 +206,11 @@ class _MapPageEnterpriseState extends State { // 新增：手动清除本地存储数据 Future _clearLocalData() async { try { - final prefs = await SharedPreferences.getInstance(); - prefs.remove(kSavedGcjPathPoints); - prefs.remove(kSavedGcjOuterPoints); - prefs.remove(kSavedMarkedPoints); - prefs.remove(kSavedObstacleHoles); - prefs.remove(kSavedIsWorkAreaCompleted); + await LocationUtils.clearCache(LocationUtils.kSavedGcjPathPoints); + await LocationUtils.clearCache(LocationUtils.kSavedGcjOuterPoints); + await LocationUtils.clearCache(LocationUtils.kSavedMarkedPoints); + await LocationUtils.clearCache(LocationUtils.kSavedObstacleHoles); + await LocationUtils.clearCache(LocationUtils.kSavedIsWorkAreaCompleted); debugPrint('本地存储的绘制数据已清空'); } catch (e) { debugPrint('清空本地数据失败：$e');