鸿蒙App车机导航接力(手机设置目的地在车机继续导航)全解析【华为根技术】

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鱼弦 发表于 2025/12/12 10:37:51 2025/12/12
【摘要】 鸿蒙App车机导航接力(手机设置目的地在车机继续导航)全解析1. 引言随着智能网联汽车的普及,车载导航已成为现代出行不可或缺的工具。然而,用户在出行前往往习惯在手机上搜索目的地、规划路线,当进入车内时需要将导航信息迁移到车机系统。传统的手动迁移方式(重新输入地址、重新规划路线)不仅繁琐,还存在安全隐患。鸿蒙操作系统的分布式能力为解决这一问题提供了完美的技术方案。通过"车机导航接力"功能,用户...

鸿蒙App车机导航接力(手机设置目的地在车机继续导航)全解析

1. 引言

随着智能网联汽车的普及,车载导航已成为现代出行不可或缺的工具。然而,用户在出行前往往习惯在手机上搜索目的地、规划路线,当进入车内时需要将导航信息迁移到车机系统。传统的手动迁移方式(重新输入地址、重新规划路线)不仅繁琐,还存在安全隐患。
鸿蒙操作系统的分布式能力为解决这一问题提供了完美的技术方案。通过"车机导航接力"功能,用户可以在手机上完成目的地设置和路线规划,上车后自动将导航任务无缝迁移到车机,实现"手机设置、车机导航"的无缝体验。
本文将深入探讨基于鸿蒙系统的车机导航接力解决方案,从系统架构到具体实现,为开发者提供一套完整的开发指南。

2. 技术背景

2.1 鸿蒙分布式能力基础

鸿蒙系统的分布式能力是实现车机导航接力的核心技术基础:
核心技术
作用描述
在导航接力中的应用
分布式软总线
设备间高速通信通道
建立手机与车机的低延迟连接
设备虚拟化
将远端设备虚拟成本地设备
车机可直接访问手机的导航服务
分布式数据管理
跨设备数据同步
导航数据(目的地、路线)在多设备间保持一致
分布式任务调度
跨设备任务协调
确保导航任务的连续性和一致性
超级终端
设备间动态组网
手机与车机自动发现和连接

2.2 导航接力技术架构

鸿蒙导航接力基于以下层次化架构:
graph TD
    A[手机端] -->|分布式软总线| B[鸿蒙分布式内核]
    B -->|设备发现与认证| C[车机端]
    
    subgraph 手机端组件
        A1[导航应用] --> A2[分布式导航管理器]
        A2 --> A3[目的地数据封装]
        A3 --> A4[路线规划服务]
        A4 --> A5[分布式数据发布]
        A6[位置服务] --> A2
    end
    
    subgraph 分布式中间件
        B1[分布式软总线] --> B2[设备发现服务]
        B2 --> B3[安全认证模块]
        B3 --> B4[数据路由中心]
        B4 --> B5[任务调度中心]
    end
    
    subgraph 车机端组件
        C1[分布式导航订阅器] --> C2[导航数据处理器]
        C2 --> C3[地图显示服务]
        C3 --> C4[HUD投影服务]
        C2 --> C5[导航控制服务]
        C5 --> C6[车辆控制接口]
        C7[情景感知引擎] --> C2
        C8[本地导航存储] --> C2
    end
    
    B --> D[安全与权限管理]
    D --> E[数据加密传输]
    E --> F[隐私保护机制]

2.3 关键技术特性

  1. 无缝迁移:基于分布式数据管理,实现导航数据的实时同步和任务迁移
  2. 智能接续:结合位置服务和情景感知,自动判断导航接续时机
  3. 多模态交互:支持语音、触控、手势等多种交互方式在车机端延续
  4. 安全保障:端到端加密传输,确保导航数据隐私和安全
  5. 容错机制:网络中断、设备离线等情况下的降级处理和数据恢复
  6. 个性化适配:根据车机屏幕尺寸、HUD能力等硬件特性优化显示

3. 应用使用场景

3.1 典型应用场景分类

场景类型
需求描述
技术要求
实现重点
日常通勤
上班前在手机设置公司地址,上车自动导航
快速连接、低延迟
基于地理位置的自动触发
长途旅行
出发前规划好全程路线,分段导航
大数据量传输、续传
路线数据分片传输和恢复
临时变更
行驶中临时更改目的地
实时同步、快速响应
增量更新和冲突解决
多人出行
车主设置目的地,乘客可查看但不能修改
权限控制、多用户
细粒度权限管理
商务接待
秘书安排路线,领导直接导航
任务委托、身份验证
安全的任务转移机制
紧急情况
手机电量不足,紧急迁移导航到车机
快速迁移、数据完整性
优先级处理和压缩传输

3.2 场景复杂度分析

  • 简单场景:单目的地导航,手机与车机直连
  • 中级场景:多途经点路线,支持实时路况更新
  • 复杂场景:跨城市长途导航,离线地图支持,多设备协同
  • 企业级场景:车队管理,行程审批,数据分析

4. 核心原理与流程图

4.1 导航接力系统架构图

graph TD
    subgraph 手机端(HarmonyOS Phone)
        A[导航应用/地图APP] --> B[导航接力管理器]
        B --> C[目的地管理器]
        C --> D[路线规划引擎]
        D --> E[分布式数据发布者]
        F[位置服务] --> B
        G[用户设置] --> B
    end
    
    subgraph 分布式中间件
        H[分布式软总线] --> I[设备发现服务]
        I --> J[安全认证模块]
        J --> K[数据路由中心]
        K --> L[任务调度中心]
        M[超级终端] --> I
    end
    
    subgraph 车机端(HarmonyOS Car)
        N[分布式数据订阅者] --> O[导航数据处理器]
        O --> P[地图渲染引擎]
        P --> Q[导航显示UI]
        O --> R[HUD投影控制器]
        O --> S[语音导航服务]
        T[车辆状态监控] --> O
        U[情景感知引擎] --> O
        V[本地缓存管理] --> O
    end
    
    E --> K
    K --> N
    T --> W[导航接续决策]
    W --> X[自动/手动接续]

4.2 导航接力工作流程

sequenceDiagram
    participant User as 用户
    participant Phone as 手机端
    participant DistributedBus as 分布式软总线
    participant Car as 车机端
    
    User->>Phone: 设置导航目的地(公司)
    Phone->>Phone: 规划最优路线
    Phone->>Phone: 封装导航数据(目的地+路线)
    
    alt 检测到车机连接
        Phone->>DistributedBus: 发布导航数据(加密)
        DistributedBus->>Car: 路由导航数据
        Car->>Car: 解密并验证数据
        Car->>Car: 情景感知判断(是否接续)
        alt 允许接续
            Car->>Car: 加载地图和路线
            Car->>Car: 启动导航界面
            Car->>Car: HUD投影路线(如有)
            Car->>Phone: 确认接续成功
            Note over Phone,Car: 导航任务已迁移<br/>手机可退出导航
        else 不允许接续
            Car->>Car: 仅存储数据,等待用户确认
            Car->>User: 提示"检测到导航任务,是否接续?"
        end
    else 未检测到车机
        Phone->>Phone: 本地保存导航任务
        Note over Phone: 等待车机连接后自动同步
    end
    
    User->>Car: 开始驾驶
    Car->>Car: 实时导航引导
    Car->>Car: 上报位置和状态(可选)

4.3 工作原理详解

  1. 导航设置阶段:用户在手机导航应用中设置目的地,系统完成地址解析、POI搜索、路线规划等操作,生成完整的导航数据。
  2. 数据封装阶段:将目的地信息(坐标、地址、POI详情)、路线数据(路径点、转向指令、预计时间)、用户偏好(避开高速、避免收费)等封装为标准化的导航数据包。
  3. 设备发现阶段:通过分布式软总线和超级终端能力,手机自动发现附近可用的车机设备,进行设备认证和连接建立。
  4. 数据传输阶段:采用加密传输将导航数据包从手机同步到车机,支持断点续传和完整性校验,确保大数据量路线的可靠传输。
  5. 接续决策阶段:车机端结合车辆状态(是否点火、是否在行驶中)、用户设置(自动/手动接续)、环境条件(网络状况)等因素,决定导航接续的时机和方式。
  6. 导航启动阶段:车机加载地图数据,渲染导航界面,启动语音引导,并根据硬件能力(如HUD、仪表盘)优化显示效果。
  7. 状态同步阶段:导航过程中,车机可向手机同步位置、ETA等状态信息,支持双向控制(如在车机上修改目的地,手机端同步更新)。

5. 环境准备

5.1 开发环境配置

# 安装DevEco Studio最新版
# 下载地址:https://developer.harmonyos.com/cn/develop/deveco-studio

# 创建鸿蒙车机应用项目
# 1. 打开DevEco Studio -> Create Project
# 2. 选择"Automotive" -> "Navigation Application"
# 3. 配置项目信息:
#    - Project name: CarNavigationRelay
#    - Bundle name: com.example.carnavigationrelay
#    - Save location: 选择合适路径
#    - Compile SDK: API 9+
#    - Device type: Automotive
#    - Language: ArkTS

# 同时创建配套的手机端项目
# 1. 新建项目 -> "Phone" -> "Empty Ability"
#    - Project name: PhoneNavigationApp
#    - Bundle name: com.example.phonenavigationapp
#    - 其他配置类似

# 目录结构规划
CarNavigationRelay/                          # 车机端项目
├── entry/
│   ├── src/
│   │   ├── main/
│   │   │   ├── ets/                        # ArkTS源代码
│   │   │   │   ├── pages/                  # 页面组件
│   │   │   │   │   ├── NavigationPage.ets # 导航主页面
│   │   │   │   │   ├── DestinationPage.ets # 目的地设置页面
│   │   │   │   │   └── SettingsPage.ets    # 设置页面
│   │   │   │   ├── model/                  # 数据模型
│   │   │   │   │   ├── NavigationModel.ets
│   │   │   │   │   ├── VehicleModel.ets
│   │   │   │   │   └── DeviceManager.ets
│   │   │   │   ├── service/                # 业务逻辑
│   │   │   │   │   ├── NavigationRelayService.ets
│   │   │   │   │   ├── DistributedSyncService.ets
│   │   │   │   │   ├── MapDisplayService.ets
│   │   │   │   │   ├── HUDService.ets
│   │   │   │   │   └── VehicleInterfaceService.ets
│   │   │   │   ├── utils/                  # 工具类
│   │   │   │   │   ├── Logger.ets
│   │   │   │   │   ├── LocationUtil.ets
│   │   │   │   │   ├── RouteCalculator.ets
│   │   │   │   │   └── PermissionUtil.ets
│   │   │   │   └── Application.ets         # 应用入口
│   │   │   ├── resources/                  # 资源文件
│   │   │   │   ├── base/
│   │   │   │   │   ├── element/            # 颜色、字符串、样式
│   │   │   │   │   ├── media/              # 图片、图标、音效
│   │   │   │   │   ├── profile/            # 配置文件
│   │   │   │   │   └── rawfile/            # 地图数据、语音包
│   │   │   └── module.json5                # 模块配置
│   ├── build-profile.json5                 # 构建配置
│   └──hvigorfile.ts                        # 构建脚本

PhoneNavigationApp/                          # 手机端项目
├── entry/
│   ├── src/
│   │   ├── main/
│   │   │   ├── ets/
│   │   │   │   ├── pages/
│   │   │   │   │   ├── HomePage.ets        # 主页
│   │   │   │   │   ├── SearchPage.ets      # 搜索页面
│   │   │   │   │   └── NavigationPage.ets  # 导航页面
│   │   │   │   ├── model/
│   │   │   │   │   ├── DestinationModel.ets
│   │   │   │   │   └── NavigationModel.ets
│   │   │   │   ├── service/
│   │   │   │   │   ├── NavigationRelayService.ets
│   │   │   │   │   ├── DistributedSyncService.ets
│   │   │   │   │   └── MapSearchService.ets
│   │   │   │   ├── utils/
│   │   │   │   │   ├── Logger.ets
│   │   │   │   │   └── PermissionUtil.ets
│   │   │   │   └── Application.ets
│   │   │   ├── resources/
│   │   │   │   ├── base/
│   │   │   │   │   ├── element/
│   │   │   │   │   ├── media/
│   │   │   │   │   └── profile/
│   │   │   └── module.json5
│   ├── build-profile.json5
│   └──hvigorfile.ts

5.2 权限配置

车机端 entry/src/main/module.json5
{
  "module": {
    "name": "entry",
    "type": "entry",
    "description": "$string:module_desc",
    "mainElement": "EntryAbility",
    "deviceTypes": ["automotive"],
    "deliveryWithInstall": true,
    "installationFree": false,
    "pages": "$profile:main_pages",
    "abilities": [
      {
        "name": "EntryAbility",
        "srcEntry": "./ets/application/Application.ets",
        "description": "$string:EntryAbility_desc",
        "icon": "$media:icon",
        "label": "$string:EntryAbility_label",
        "startWindowIcon": "$media:icon",
        "startWindowBackground": "$color:start_window_background",
        "exported": true,
        "skills": [
          {
            "entities": ["entity.system.home"],
            "actions": ["action.system.home"]
          }
        ]
      },
      {
        "name": "NavigationAbility",
        "srcEntry": "./ets/application/NavigationAbility.ets",
        "description": "导航能力",
        "icon": "$media:navigation_icon",
        "label": "$string:NavigationAbility_label",
        "exported": true,
        "backgroundModes": ["location", "audioPlayback"]
      }
    ],
    "requestPermissions": [
      {
        "name": "ohos.permission.DISTRIBUTED_DATASYNC",
        "reason": "$string:distributed_datasync_reason",
        "usedScene": {
          "abilities": ["EntryAbility", "NavigationAbility"],
          "when": "always"
        }
      },
      {
        "name": "ohos.permission.LOCATION",
        "reason": "$string:location_reason",
        "usedScene": {
          "abilities": ["NavigationAbility"],
          "when": "always"
        }
      },
      {
        "name": "ohos.permission.VEHICLE_INFO",
        "reason": "$string:vehicle_info_reason",
        "usedScene": {
          "abilities": ["NavigationAbility"],
          "when": "always"
        }
      },
      {
        "name": "ohos.permission.MEDIA_LOCATION",
        "reason": "$string:media_location_reason",
        "usedScene": {
          "abilities": ["NavigationAbility"],
          "when": "inuse"
        }
      },
      {
        "name": "ohos.permission.CAMERA",
        "reason": "$string:camera_reason",
        "usedScene": {
          "abilities": ["NavigationAbility"],
          "when": "inuse"
        }
      },
      {
        "name": "ohos.permission.MICROPHONE",
        "reason": "$string:microphone_reason",
        "usedScene": {
          "abilities": ["NavigationAbility"],
          "when": "inuse"
        }
      },
      {
        "name": "ohos.permission.READ_MEDIA",
        "reason": "$string:read_media_reason",
        "usedScene": {
          "abilities": ["EntryAbility"],
          "when": "inuse"
        }
      },
      {
        "name": "ohos.permission.WRITE_MEDIA",
        "reason": "$string:write_media_reason",
        "usedScene": {
          "abilities": ["EntryAbility"],
          "when": "inuse"
        }
      }
    ],
    "extensionAbilities": [
      {
        "name": "NavigationRelayExtAbility",
        "type": "service",
        "srcEntry": "./ets/service/NavigationRelayService.ets",
        "description": "导航接力后台服务",
        "exported": true,
        "backgroundModes": ["dataTransfer", "location"]
      }
    ],
    "definePermissions": [
      {
        "name": "com.example.carnavigationrelay.permission.NAVIGATION_CONTROL",
        "grantMode": "system_grant",
        "availableLevel": "system_core",
        "description": "导航控制权限"
      }
    ]
  }
}
手机端 entry/src/main/module.json5
{
  "module": {
    "name": "entry",
    "type": "entry",
    "description": "$string:module_desc",
    "mainElement": "EntryAbility",
    "deviceTypes": ["phone"],
    "deliveryWithInstall": true,
    "installationFree": false,
    "pages": "$profile:main_pages",
    "abilities": [
      {
        "name": "EntryAbility",
        "srcEntry": "./ets/application/Application.ets",
        "description": "$string:EntryAbility_desc",
        "icon": "$media:icon",
        "label": "$string:EntryAbility_label",
        "startWindowIcon": "$media:icon",
        "startWindowBackground": "$color:start_window_background",
        "exported": true,
        "skills": [
          {
            "entities": ["entity.system.home"],
            "actions": ["action.system.home"]
          }
        ]
      },
      {
        "name": "NavigationAbility",
        "srcEntry": "./ets/application/NavigationAbility.ets",
        "description": "手机导航能力",
        "icon": "$media:navigation_icon",
        "label": "$string:NavigationAbility_label",
        "exported": true,
        "backgroundModes": ["location", "audioPlayback"]
      }
    ],
    "requestPermissions": [
      {
        "name": "ohos.permission.DISTRIBUTED_DATASYNC",
        "reason": "$string:distributed_datasync_reason",
        "usedScene": {
          "abilities": ["EntryAbility", "NavigationAbility"],
          "when": "always"
        }
      },
      {
        "name": "ohos.permission.LOCATION",
        "reason": "$string:location_reason",
        "usedScene": {
          "abilities": ["NavigationAbility"],
          "when": "always"
        }
      },
      {
        "name": "ohos.permission.INTERNET",
        "reason": "$string:internet_reason",
        "usedScene": {
          "abilities": ["NavigationAbility"],
          "when": "inuse"
        }
      },
      {
        "name": "ohos.permission.ACCESS_NETWORK_STATE",
        "reason": "$string:access_network_state_reason",
        "usedScene": {
          "abilities": ["NavigationAbility"],
          "when": "always"
        }
      },
      {
        "name": "ohos.permission.WRITE_EXTERNAL_STORAGE",
        "reason": "$string:write_external_storage_reason",
        "usedScene": {
          "abilities": ["EntryAbility"],
          "when": "inuse"
        }
      },
      {
        "name": "ohos.permission.READ_EXTERNAL_STORAGE",
        "reason": "$string:read_external_storage_reason",
        "usedScene": {
          "abilities": ["EntryAbility"],
          "when": "inuse"
        }
      }
    ],
    "extensionAbilities": [
      {
        "name": "NavigationRelayExtAbility",
        "type": "service",
        "srcEntry": "./ets/service/NavigationRelayService.ets",
        "description": "手机导航接力后台服务",
        "exported": true,
        "backgroundModes": ["dataTransfer", "location"]
      }
    ]
  }
}

5.3 依赖配置

车机端 entry/build-profile.json5
{
  "apiType": "stageMode",
  "buildOption": {
    "strictMode": {
      "caseSensitiveCheck": true,
      "useNormalizedOHMUrl": true
    },
    "arkOptions": {
      "debug": false,
      "optimize": true
    }
  },
  "buildOptionSet": [
    {
      "name": "release",
      "arkOptions": {
        "debug": false,
        "optimize": true
      }
    }
  ],
  "targets": [
    {
      "name": "default",
      "applyToProducts": ["default"]
    }
  ],
  "products": [
    {
      "name": "default",
      "compatibleSdkVersion": "9",
      "runtimeOS": "HarmonyOS",
      "signingConfig": "default"
    }
  ],
  "dependencies": {
    "@ohos/distributedHardware.deviceManager": "9.0.0",
    "@ohos/data.distributedData": "9.0.0",
    "@ohos/location": "9.0.0",
    "@ohos/multimodalinput": "9.0.0",
    "@ohos.vehicle": "9.0.0"
  }
}

6. 详细代码实现

6.1 数据模型定义

车机端 entry/src/main/ets/model/NavigationModel.ets
/**
 * 导航数据模型定义
 */

/**
 * 位置坐标
 */
export interface LocationCoordinate {
  latitude: number;          // 纬度
  longitude: number;         // 经度
  altitude?: number;         // 海拔高度(可选)
  accuracy?: number;         // 精度(米)
  timestamp: number;         // 时间戳
}

/**
 * POI信息
 */
export interface POIInfo {
  id: string;                // POI唯一标识
  name: string;              // POI名称
  address: string;           // 详细地址
  coordinate: LocationCoordinate; // 坐标
  category: POICategory;     // POI类别
  phone?: string;            // 联系电话(可选)
  rating?: number;           // 评分(可选)
  tags?: string[];           // 标签(可选)
}

/**
 * POI类别枚举
 */
export enum POICategory {
  RESTAURANT = "restaurant",     // 餐厅
  HOTEL = "hotel",               // 酒店
  GAS_STATION = "gas_station",   // 加油站
  PARKING = "parking",           // 停车场
  SHOPPING = "shopping",         // 购物中心
  HOSPITAL = "hospital",         // 医院
  BANK = "bank",                 // 银行
  OFFICE = "office",             // 办公楼
  HOME = "home",                 // 家
  COMPANY = "company",           // 公司
  SCENIC_SPOT = "scenic_spot",   // 景点
  CUSTOM = "custom"              // 自定义
}

/**
 * 导航路段
 */
export interface RouteSegment {
  segmentId: string;         // 路段ID
  instruction: string;        // 导航指令
  distance: number;           // 路段距离(米)
  duration: number;           // 预计时间(秒)
  roadName: string;           // 道路名称
  maneuver: ManeuverType;     // 转向类型
  coordinates: LocationCoordinate[]; // 路段坐标点
}

/**
 * 转向类型枚举
 */
export enum ManeuverType {
  STRAIGHT = "straight",           // 直行
  TURN_LEFT = "turn_left",         // 左转
  TURN_RIGHT = "turn_right",       // 右转
  UTURN = "uturn",                 // 掉头
  MERGE = "merge",                 // 合并车道
  EXIT_LEFT = "exit_left",         // 左侧出口
  EXIT_RIGHT = "exit_right",       // 右侧出口
  ROUNDABOUT_ENTER = "roundabout_enter", // 进入环岛
  ROUNDABOUT_EXIT = "roundabout_exit",   // 离开环岛
  DESTINATION = "destination"      // 到达目的地
}

/**
 * 完整导航路线
 */
export interface NavigationRoute {
  routeId: string;            // 路线唯一标识
  origin: LocationCoordinate;  // 起点坐标
  destination: POIInfo;       // 目的地POI信息
  waypoints: POIInfo[];       // 途经点(可选)
  segments: RouteSegment[];    // 导航路段
  totalDistance: number;       // 总距离(米)
  totalDuration: number;       // 总时间(秒)
  trafficCondition: TrafficCondition; // 路况信息
  alternativeRoutes?: NavigationRoute[]; // 备选路线(可选)
  routePreference: RoutePreference; // 路线偏好设置
}

/**
 * 路况信息
 */
export enum TrafficCondition {
  UNKNOWN = "unknown",         // 未知
  SMOOTH = "smooth",           // 畅通
  SLOW = "slow",               // 缓行
  CONGESTED = "congested",     // 拥堵
  SEVERE_CONGESTION = "severe_congestion" // 严重拥堵
}

/**
 * 路线偏好设置
 */
export interface RoutePreference {
  avoidHighways: boolean;      // 避开高速公路
  avoidTolls: boolean;         // 避开收费路段
  avoidFerries: boolean;       // 避开轮渡
  vehicleType: VehicleType;    // 车辆类型
  departureTime?: number;      // 出发时间(时间戳,可选)
}

/**
 * 车辆类型枚举
 */
export enum VehicleType {
  CAR = "car",                 // 小汽车
  TRUCK = "truck",             // 卡车
  BUS = "bus",                 // 公交车
  MOTORCYCLE = "motorcycle"    // 摩托车
}

/**
 * 导航任务
 */
export interface NavigationTask {
  taskId: string;              // 任务唯一标识
  route: NavigationRoute;      // 导航路线
  createdTime: number;         // 创建时间
  lastUpdatedTime: number;     // 最后更新时间
  status: NavigationStatus;    // 任务状态
  sourceDeviceId: string;      // 来源设备ID
  targetDeviceId?: string;     // 目标设备ID(可选)
  isContinuing: boolean;       // 是否为接续任务
  userSettings: NavigationSettings; // 用户设置
}

/**
 * 导航状态枚举
 */
export enum NavigationStatus {
  CREATED = "created",         // 已创建
  TRANSFERRING = "transferring", // 传输中
  READY = "ready",             // 准备就绪
  ACTIVE = "active",           // 导航中
  PAUSED = "paused",           // 暂停
  COMPLETED = "completed",     // 已完成
  CANCELLED = "cancelled",     // 已取消
  FAILED = "failed"            // 失败
}

/**
 * 导航设置
 */
export interface NavigationSettings {
  voiceGuidance: boolean;      // 语音引导
  voiceVolume: number;         // 语音音量(0-100)
  displayMode: DisplayMode;    // 显示模式
  hudEnabled: boolean;         // HUD投影启用
  nightMode: boolean;          // 夜间模式
  speedWarning: boolean;       // 超速提醒
  speedLimit: number;          // 限速值(km/h)
}

/**
 * 显示模式枚举
 */
export enum DisplayMode {
  MAP_FULLSCREEN = "map_fullscreen",     // 全屏地图
  SPLIT_VIEW = "split_view",             // 分屏视图
  MINIMAL = "minimal"                     // 简洁模式
}

/**
 * 导航事件
 */
export interface NavigationEvent {
  eventId: string;             // 事件ID
  taskId: string;              // 关联的任务ID
  eventType: NavigationEventType; // 事件类型
  timestamp: number;           // 时间戳
  data: any;                   // 事件数据
  deviceId: string;            // 产生事件的设备ID
}

/**
 * 导航事件类型枚举
 */
export enum NavigationEventType {
  TASK_CREATED = "task_created",           // 任务创建
  TASK_TRANSFERRED = "task_transferred",   // 任务传输
  NAVIGATION_STARTED = "navigation_started", // 导航开始
  NAVIGATION_PAUSED = "navigation_paused",   // 导航暂停
  NAVIGATION_RESUMED = "navigation_resumed", // 导航恢复
  LOCATION_UPDATED = "location_updated",   // 位置更新
  ROUTE_DEVIATED = "route_deviated",       // 偏离路线
  DESTINATION_REACHED = "destination_reached", // 到达目的地
  TASK_COMPLETED = "task_completed",       // 任务完成
  TASK_CANCELLED = "task_cancelled",       // 任务取消
  ERROR_OCCURRED = "error_occurred"        // 错误发生
}

/**
 * 设备信息
 */
export interface DeviceInfo {
  deviceId: string;            // 设备ID
  deviceName: string;          // 设备名称
  deviceType: DeviceType;      // 设备类型
  isConnected: boolean;        // 是否已连接
  capabilities: DeviceCapabilities; // 设备能力
  lastActiveTime: number;      // 最后活跃时间
}

/**
 * 设备类型枚举
 */
export enum DeviceType {
  PHONE = "phone",             // 手机
  CAR = "car",                 // 车机
  TABLET = "tablet",           // 平板
  WATCH = "watch",             // 手表
  TV = "tv"                    // 智慧屏
}

/**
 * 设备能力
 */
export interface DeviceCapabilities {
  supportsNavigation: boolean; // 支持导航
  supportsHUD: boolean;        // 支持HUD
  screenSize: { width: number; height: number }; // 屏幕尺寸
  hasVoiceAssistant: boolean;  // 有语音助手
  hasGPS: boolean;             // 有GPS模块
  networkType: NetworkType;    // 网络类型
}

/**
 * 网络类型枚举
 */
export enum NetworkType {
  WIFI = "wifi",
  CELLULAR_4G = "cellular_4g",
  CELLULAR_5G = "cellular_5g",
  OFFLINE = "offline"
}

6.2 工具类实现

车机端 entry/src/main/ets/utils/Logger.ets
/**
 * 日志工具类
 */
export class Logger {
  private static readonly TAG: string = 'CarNavigationRelay';
  private static readonly IS_DEBUG: boolean = true; // 发布版本设为false
  
  /**
   * 调试日志
   */
  static d(message: string, tag: string = Logger.TAG): void {
    if (Logger.IS_DEBUG) {
      console.debug(`[${tag}] ${message}`);
    }
  }
  
  /**
   * 信息日志
   */
  static i(message: string, tag: string = Logger.TAG): void {
    console.info(`[${tag}] ${message}`);
  }
  
  /**
   * 警告日志
   */
  static w(message: string, tag: string = Logger.TAG): void {
    console.warn(`[${tag}] ${message}`);
  }
  
  /**
   * 错误日志
   */
  static e(message: string, tag: string = Logger.TAG, error?: Error): void {
    let logMessage = `[${tag}] ${message}`;
    if (error) {
      logMessage += `, Error: ${error.message}, Stack: ${error.stack}`;
    }
    console.error(logMessage);
  }
  
  /**
   * 关键日志
   */
  static wtf(message: string, tag: string = Logger.TAG): void {
    console.error(`[${tag}] WTF: ${message}`);
  }
  
  /**
   * 性能日志记录
   */
  static timeStart(label: string): void {
    if (Logger.IS_DEBUG) {
      console.time(`[${Logger.TAG}] ${label}`);
    }
  }
  
  /**
   * 性能日志结束
   */
  static timeEnd(label: string): void {
    if (Logger.IS_DEBUG) {
      console.timeEnd(`[${Logger.TAG}] ${label}`);
    }
  }
  
  /**
   * 导航专用日志
   */
  static navigation(message: string, routeId?: string): void {
    const routeInfo = routeId ? `[Route:${routeId}]` : '';
    Logger.i(`导航: ${routeInfo} ${message}`, 'Navigation');
  }
  
  /**
   * 分布式同步日志
   */
  static distributed(message: string, deviceId?: string): void {
    const deviceInfo = deviceId ? `[Device:${deviceId}]` : '';
    Logger.i(`分布式: ${deviceInfo} ${message}`, 'Distributed');
  }
}
车机端 entry/src/main/ets/utils/LocationUtil.ets
import location from '@ohos.location';
import { LocationCoordinate } from '../model/NavigationModel';
import Logger from './Logger';

/**
 * 位置工具类
 */
export class LocationUtil {
  /**
   * 获取当前位置
   */
  static async getCurrentLocation(): Promise<LocationCoordinate | null> {
    try {
      Logger.d('获取当前位置', 'LocationUtil');
      
      // 检查定位权限
      const hasPermission = await LocationUtil.checkLocationPermission();
      if (!hasPermission) {
        Logger.e('无定位权限', 'LocationUtil');
        return null;
      }
      
      // 获取位置管理器
      const locationManager = location.getLocationManager();
      
      // 创建位置请求
      const request: location.LocationRequest = {
        'scenario': location.Scenario.NAVIGATION,
        'timeInterval': 1000, // 1秒更新一次
        'distanceInterval': 5, // 5米更新一次
        'maxAccuracy': 10 // 最大精度10米
      };
      
      // 获取位置信息
      const locationInfo = await locationManager.getSingleLocation(request);
      
      if (locationInfo) {
        const coordinate: LocationCoordinate = {
          latitude: locationInfo.latitude,
          longitude: locationInfo.longitude,
          altitude: locationInfo.altitude,
          accuracy: locationInfo.accuracy,
          timestamp: locationInfo.timestamp
        };
        
        Logger.i(`获取位置成功: ${coordinate.latitude}, ${coordinate.longitude}`, 'LocationUtil');
        return coordinate;
      }
      
      Logger.w('未能获取位置信息', 'LocationUtil');
      return null;
    } catch (error) {
      Logger.e('获取当前位置失败', 'LocationUtil', error as Error);
      return null;
    }
  }
  
  /**
   * 持续监听位置变化
   */
  static startLocationUpdates(callback: (location: LocationCoordinate) => void): void {
    try {
      const locationManager = location.getLocationManager();
      
      const request: location.LocationRequest = {
        'scenario': location.Scenario.NAVIGATION,
        'timeInterval': 1000,
        'distanceInterval': 5,
        'maxAccuracy': 10
      };
      
      // 注册位置变化监听
      locationManager.on('locationChange', (locationInfo: location.Location) => {
        const coordinate: LocationCoordinate = {
          latitude: locationInfo.latitude,
          longitude: locationInfo.longitude,
          altitude: locationInfo.altitude,
          accuracy: locationInfo.accuracy,
          timestamp: locationInfo.timestamp
        };
        
        callback(coordinate);
      });
      
      // 开始位置更新
      locationManager.startLocationUpdate(request);
      Logger.i('开始监听位置变化', 'LocationUtil');
    } catch (error) {
      Logger.e('开始位置更新失败', 'LocationUtil', error as Error);
    }
  }
  
  /**
   * 停止位置更新
   */
  static stopLocationUpdates(): void {
    try {
      const locationManager = location.getLocationManager();
      locationManager.off('locationChange');
      locationManager.stopLocationUpdate();
      Logger.i('停止位置更新', 'LocationUtil');
    } catch (error) {
      Logger.e('停止位置更新失败', 'LocationUtil', error as Error);
    }
  }
  
  /**
   * 计算两个坐标点之间的距离(米)
   */
  static calculateDistance(point1: LocationCoordinate, point2: LocationCoordinate): number {
    const R = 6371000; // 地球半径(米)
    const lat1Rad = LocationUtil.degreesToRadians(point1.latitude);
    const lat2Rad = LocationUtil.degreesToRadians(point2.latitude);
    const deltaLatRad = LocationUtil.degreesToRadians(point2.latitude - point1.latitude);
    const deltaLonRad = LocationUtil.degreesToRadians(point2.longitude - point1.longitude);
    
    const a = Math.sin(deltaLatRad / 2) * Math.sin(deltaLatRad / 2) +
              Math.cos(lat1Rad) * Math.cos(lat2Rad) *
              Math.sin(deltaLonRad / 2) * Math.sin(deltaLonRad / 2);
    const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
    
    return R * c;
  }
  
  /**
   * 计算方位角(度)
   */
  static calculateBearing(from: LocationCoordinate, to: LocationCoordinate): number {
    const lat1Rad = LocationUtil.degreesToRadians(from.latitude);
    const lat2Rad = LocationUtil.degreesToRadians(to.latitude);
    const deltaLonRad = LocationUtil.degreesToRadians(to.longitude - from.longitude);
    
    const y = Math.sin(deltaLonRad) * Math.cos(lat2Rad);
    const x = Math.cos(lat1Rad) * Math.sin(lat2Rad) -
              Math.sin(lat1Rad) * Math.cos(lat2Rad) * Math.cos(deltaLonRad);
    
    let bearing = Math.atan2(y, x);
    bearing = LocationUtil.radiansToDegrees(bearing);
    return (bearing + 360) % 360;
  }
  
  /**
   * 检查是否偏离路线
   */
  static isOffRoute(currentLocation: LocationCoordinate, route: import('../model/NavigationModel').NavigationRoute, threshold: number = 50): boolean {
    if (!route.segments || route.segments.length === 0) {
      return false;
    }
    
    // 找到最近的路段
    let minDistance = Number.MAX_VALUE;
    let closestSegment: import('../model/NavigationModel').RouteSegment | null = null;
    
    for (const segment of route.segments) {
      for (const coord of segment.coordinates) {
        const distance = LocationUtil.calculateDistance(currentLocation, coord);
        if (distance < minDistance) {
          minDistance = distance;
          closestSegment = segment;
        }
      }
    }
    
    const isOffRoute = minDistance > threshold;
    if (isOffRoute) {
      Logger.w(`偏离路线: 距离最近路段${minDistance.toFixed(2)}米`, 'LocationUtil');
    }
    
    return isOffRoute;
  }
  
  /**
   * 获取地址信息(逆地理编码)
   */
  static async getAddressFromCoordinate(coordinate: LocationCoordinate): Promise<string | null> {
    try {
      // 在实际实现中,应该调用地图服务的逆地理编码API
      // 这里简化处理,返回模拟地址
      const address = `纬度:${coordinate.latitude.toFixed(6)}, 经度:${coordinate.longitude.toFixed(6)}`;
      Logger.d(`获取地址: ${address}`, 'LocationUtil');
      return address;
    } catch (error) {
      Logger.e('获取地址失败', 'LocationUtil', error as Error);
      return null;
    }
  }
  
  /**
   * 检查定位权限
   */
  private static async checkLocationPermission(): Promise<boolean> {
    // 在实际实现中,应该检查ohos.permission.LOCATION权限
    // 这里简化处理,返回true
    return true;
  }
  
  /**
   * 角度转弧度
   */
  private static degreesToRadians(degrees: number): number {
    return degrees * (Math.PI / 180);
  }
  
  /**
   * 弧度转角度
   */
  private static radiansToDegrees(radians: number): number {
    return radians * (180 / Math.PI);
  }
}
车机端 entry/src/main/ets/utils/RouteCalculator.ets
import { NavigationRoute, RouteSegment, LocationCoordinate, ManeuverType, POIInfo } from '../model/NavigationModel';
import Logger from './Logger';
import LocationUtil from './LocationUtil';

/**
 * 路线计算器
 */
export class RouteCalculator {
  /**
   * 简化版路线计算(实际应用中应该接入专业地图服务)
   */
  static async calculateRoute(
    origin: LocationCoordinate, 
    destination: POIInfo, 
    waypoints: POIInfo[] = [],
    preference: import('../model/NavigationModel').RoutePreference
  ): Promise<NavigationRoute | null> {
    try {
      Logger.timeStart('calculate_route');
      Logger.navigation(`开始计算路线: ${origin.latitude},${origin.longitude} -> ${destination.name}`, 'calculation');
      
      // 生成路线ID
      const routeId = `route_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
      
      // 简化的路线生成逻辑(实际应用中应该调用地图API)
      const segments: RouteSegment[] = await RouteCalculator.generateSimpleRoute(origin, destination, preference);
      
      // 计算总距离和时间
      let totalDistance = 0;
      let totalDuration = 0;
      
      segments.forEach(segment => {
        totalDistance += segment.distance;
        totalDuration += segment.duration;
      });
      
      const route: NavigationRoute = {
        routeId: routeId,
        origin: origin,
        destination: destination,
        waypoints: waypoints,
        segments: segments,
        totalDistance: totalDistance,
        totalDuration: totalDuration,
        trafficCondition: TrafficCondition.SMOOTH, // 简化处理
        routePreference: preference
      };
      
      Logger.timeEnd('calculate_route');
      Logger.navigation(`路线计算完成: 距离=${totalDistance}m, 时间=${totalDuration}s`, routeId);
      
      return route;
    } catch (error) {
      Logger.e('路线计算失败', 'RouteCalculator', error as Error);
      return null;
    }
  }
  
  /**
   * 生成简化的路线(演示用)
   */
  private static async generateSimpleRoute(
    origin: LocationCoordinate, 
    destination: POIInfo, 
    preference: import('../model/NavigationModel').RoutePreference
  ): Promise<RouteSegment[]> {
    const segments: RouteSegment[] = [];
    
    // 计算直线距离
    const directDistance = LocationUtil.calculateDistance(origin, destination.coordinate);
    
    // 根据距离生成若干路段
    const segmentCount = Math.max(3, Math.ceil(directDistance / 1000)); // 每公里至少一个路段
    const segmentDistance = directDistance / segmentCount;
    
    let currentCoord = { ...origin };
    
    for (let i = 0; i < segmentCount; i++) {
      // 计算下一段终点(简单的直线插值)
      const progress = (i + 1) / segmentCount;
      const nextCoord: LocationCoordinate = {
        latitude: origin.latitude + (destination.coordinate.latitude - origin.latitude) * progress,
        longitude: origin.longitude + (destination.coordinate.longitude - origin.longitude) * progress,
        timestamp: Date.now()
      };
      
      // 随机生成导航指令
      const maneuvers = [ManeuverType.STRAIGHT, ManeuverType.TURN_LEFT, ManeuverType.TURN_RIGHT];
      const maneuver = i === segmentCount - 1 ? ManeuverType.DESTINATION : 
                      maneuvers[Math.floor(Math.random() * maneuvers.length)];
      
      // 生成路段
      const segment: RouteSegment = {
        segmentId: `segment_${Date.now()}_${i}`,
        instruction: RouteCalculator.generateInstruction(maneuver, i === segmentCount - 1 ? destination.name : ''),
        distance: Math.round(segmentDistance),
        duration: Math.round(segmentDistance / 13.89), // 假设平均速度50km/h
        roadName: `道路${i + 1}`,
        maneuver: maneuver,
        coordinates: [currentCoord, nextCoord]
      };
      
      segments.push(segment);
      currentCoord = nextCoord;
    }
    
    return segments;
  }
  
  /**
   * 生成导航指令文本
   */
  private static generateInstruction(maneuver: ManeuverType, destinationName: string): string {
    switch (maneuver) {
      case ManeuverType.STRAIGHT:
        return '直行';
      case ManeuverType.TURN_LEFT:
        return '左转';
      case ManeuverType.TURN_RIGHT:
        return '右转';
      case ManeuverType.UTURN:
        return '掉头';
      case ManeuverType.MERGE:
        return '合并车道';
      case ManeuverType.EXIT_LEFT:
        return '从左侧出口驶出';
      case ManeuverType.EXIT_RIGHT:
        return '从右侧出口驶出';
      case ManeuverType.ROUNDABOUT_ENTER:
        return '进入环岛';
      case ManeuverType.ROUNDABOUT_EXIT:
        return '离开环岛';
      case ManeuverType.DESTINATION:
        return `到达目的地: ${destinationName}`;
      default:
        return '继续前行';
    }
  }
  
  /**
   * 重新计算路线(考虑实时路况)
   */
  static async recalculateRoute(
    currentRoute: NavigationRoute, 
    currentLocation: LocationCoordinate
  ): Promise<NavigationRoute | null> {
    try {
      Logger.navigation(`重新计算路线: 当前位置偏离,RouteId=${currentRoute.routeId}`, currentRoute.routeId);
      
      // 找到当前所在的路段
      let currentSegmentIndex = -1;
      let minDistance = Number.MAX_VALUE;
      
      currentRoute.segments.forEach((segment, index) => {
        segment.coordinates.forEach(coord => {
          const distance = LocationUtil.calculateDistance(currentLocation, coord);
          if (distance < minDistance) {
            minDistance = distance;
            currentSegmentIndex = index;
          }
        });
      });
      
      if (currentSegmentIndex === -1) {
        Logger.e('无法确定当前所在路段', 'RouteCalculator');
        return null;
      }
      
      // 从当前位置开始重新规划到目的地的路线
      const remainingSegments = currentRoute.segments.slice(currentSegmentIndex);
      const newOrigin = currentLocation;
      
      // 这里简化处理,实际应该调用地图API进行增量重算
      const newRoute = await RouteCalculator.calculateRoute(
        newOrigin, 
        currentRoute.destination, 
        currentRoute.waypoints,
        currentRoute.routePreference
      );
      
      if (newRoute) {
        Logger.navigation(`路线重新计算完成: 新距离=${newRoute.totalDistance}m`, newRoute.routeId);
      }
      
      return newRoute;
    } catch (error) {
      Logger.e('重新计算路线失败', 'RouteCalculator', error as Error);
      return null;
    }
  }
  
  /**
   * 计算备选路线
   */
  static async calculateAlternativeRoutes(
    origin: LocationCoordinate, 
    destination: POIInfo, 
    preference: import('../model/NavigationModel').RoutePreference,
    count: number = 2
  ): Promise<NavigationRoute[]> {
    try {
      Logger.navigation(`计算备选路线: 数量=${count}`, 'alternatives');
      
      const alternatives: NavigationRoute[] = [];
      
      for (let i = 0; i < count; i++) {
        // 为每个备选路线添加一些随机变化
        const modifiedPreference = { ...preference };
        modifiedPreference.avoidHighways = i === 1; // 第二条路线避开高速
        modifiedPreference.avoidTolls = i === 2;   // 第三条路线避开收费
        
        const route = await RouteCalculator.calculateRoute(origin, destination, [], modifiedPreference);
        if (route) {
          alternatives.push(route);
        }
      }
      
      Logger.navigation(`备选路线计算完成: ${alternatives.length}条`, 'alternatives');
      return alternatives;
    } catch (error) {
      Logger.e('计算备选路线失败', 'RouteCalculator', error as Error);
      return [];
    }
  }
}
车机端 entry/src/main/ets/utils/PermissionUtil.ets
import abilityAccessCtrl from '@ohos.abilityAccessCtrl';
import bundleManager from '@ohos.bundle.bundleManager';
import Logger from './Logger';

/**
 * 权限工具类
 */
export class PermissionUtil {
  /**
   * 检查单个权限
   */
  static async checkPermission(permission: string): Promise<boolean> {
    try {
      const atManager = abilityAccessCtrl.createAtManager();
      const grantStatus = await atManager.checkAccessToken(
        globalThis.abilityContext.tokenId, 
        permission
      );
      return grantStatus === abilityAccessCtrl.GrantStatus.PERMISSION_GRANTED;
    } catch (error) {
      Logger.e(`检查权限失败: ${permission}`, 'PermissionUtil', error as Error);
      return false;
    }
  }
  
  /**
   * 请求单个权限
   */
  static async requestPermission(permission: string): Promise<boolean> {
    try {
      const atManager = abilityAccessCtrl.createAtManager();
      const result = await atManager.requestPermissionsFromUser(
        globalThis.abilityContext, 
        [permission]
      );
      return result.authResults[0] === 0; // 0表示授权成功
    } catch (error) {
      Logger.e(`请求权限失败: ${permission}`, 'PermissionUtil', error as Error);
      return false;
    }
  }
  
  /**
   * 检查并请求多个权限
   */
  static async checkAndRequestPermissions(permissions: string[]): Promise<boolean> {
    const results: boolean[] = [];
    
    for (const permission of permissions) {
      const hasPermission = await PermissionUtil.checkPermission(permission);
      if (!hasPermission) {
        Logger.i(`请求权限: ${permission}`, 'PermissionUtil');
        const granted = await PermissionUtil.requestPermission(permission);
        results.push(granted);
      } else {
        results.push(true);
      }
    }
    
    return results.every(granted => granted);
  }
  
  /**
   * 获取应用名称
   */
  static async getAppName(packageName: string): Promise<string> {
    try {
      const bundleInfo = await bundleManager.getBundleInfoForSelf(bundleManager.BundleFlag.GET_BUNDLENAME);
      return bundleInfo.appInfo.label;
    } catch (error) {
      Logger.e(`获取应用名称失败: ${packageName}`, 'PermissionUtil', error as Error);
      return packageName;
    }
  }
  
  /**
   * 检查位置权限(导航专用)
   */
  static async checkLocationPermission(): Promise<boolean> {
    const locationPermissions = [
      'ohos.permission.LOCATION',
      'ohos.permission.APPROXIMATELY_LOCATION'
    ];
    
    return await PermissionUtil.checkAndRequestPermissions(locationPermissions);
  }
  
  /**
   * 检查车辆信息权限
   */
  static async checkVehiclePermission(): Promise<boolean> {
    return await PermissionUtil.checkPermission('ohos.permission.VEHICLE_INFO');
  }
  
  /**
   * 检查分布式数据同步权限
   */
  static async checkDistributedSyncPermission(): Promise<boolean> {
    return await PermissionUtil.checkPermission('ohos.permission.DISTRIBUTED_DATASYNC');
  }
}

6.3 设备管理类

车机端 entry/src/main/ets/model/DeviceManager.ets
import distributedDeviceManager from '@ohos.distributedHardware.deviceManager';
import { DeviceInfo, DeviceType, DeviceCapabilities } from './NavigationModel';
import Logger from '../utils/Logger';

/**
 * 设备管理器
 */
export class DeviceManager {
  private static instance: DeviceManager;
  private deviceManager: distributedDeviceManager.DeviceManager | null = null;
  private connectedDevices: Map<string, DeviceInfo> = new Map();
  private context: any; // 实际应用中应为AbilityContext
  private isDiscovering: boolean = false;
  
  private constructor(context: any) {
    this.context = context;
    this.initDeviceManager();
  }
  
  /**
   * 获取单例实例
   */
  static getInstance(context: any): DeviceManager {
    if (!DeviceManager.instance) {
      DeviceManager.instance = new DeviceManager(context);
    }
    return DeviceManager.instance;
  }
  
  /**
   * 初始化设备管理器
   */
  private async initDeviceManager(): Promise<void> {
    try {
      Logger.d('初始化设备管理器', 'DeviceManager');
      
      // 获取设备管理器实例
      this.deviceManager = distributedDeviceManager.createDeviceManager(this.context);
      
      // 注册设备状态变化监听
      this.registerDeviceStateListener();
      
      // 发现周边设备
      await this.startDeviceDiscovery();
      
      Logger.i('设备管理器初始化成功', 'DeviceManager');
    } catch (error) {
      Logger.e('设备管理器初始化失败', 'DeviceManager', error as Error);
    }
  }
  
  /**
   * 注册设备状态监听
   */
  private registerDeviceStateListener(): void {
    if (!this.deviceManager) return;
    
    // 设备上线监听
    this.deviceManager.on('deviceOnline', (device: distributedDeviceManager.DeviceInfo) => {
      Logger.i(`设备上线: ${device.deviceName}(${device.deviceId}), 类型: ${device.deviceTypeId}`, 'DeviceManager');
      this.handleDeviceOnline(device);
    });
    
    // 设备离线监听
    this.deviceManager.on('deviceOffline', (device: distributedDeviceManager.DeviceInfo) => {
      Logger.i(`设备离线: ${device.deviceName}(${device.deviceId})`, 'DeviceManager');
      this.handleDeviceOffline(device);
    });
    
    // 设备信息变更监听
    this.deviceManager.on('deviceInfoChanged', (device: distributedDeviceManager.DeviceInfo) => {
      Logger.d(`设备信息变更: ${device.deviceName}`, 'DeviceManager');
      this.updateDeviceInfo(device);
    });
    
    // 分布式组网状态变更
    this.deviceManager.on('groupStateChanged', (groupId: string, state: number) => {
      Logger.i(`组网状态变更: Group=${groupId}, State=${state}`, 'DeviceManager');
      this.handleGroupStateChanged(groupId, state);
    });
  }
  
  /**
   * 开始设备发现
   */
  async startDeviceDiscovery(): Promise<void> {
    if (this.isDiscovering || !this.deviceManager) {
      return;
    }
    
    try {
      Logger.d('开始设备发现', 'DeviceManager');
      
      // 开始发现设备
      await this.deviceManager.startDeviceDiscovery({
        discoverTargetType: 1, // 发现所有类型的设备
        strategy: 1 // 常规发现策略
      });
      
      this.isDiscovering = true;
      
      // 获取已配对设备
      const pairedDevices = this.deviceManager.getAvailableDeviceListSync();
      Logger.i(`发现${pairedDevices.length}个已配对设备`, 'DeviceManager');
      
      // 添加到连接设备列表
      pairedDevices.forEach(device => {
        this.addConnectedDevice(device);
      });
      
    } catch (error) {
      Logger.e('开始设备发现失败', 'DeviceManager', error as Error);
    }
  }
  
  /**
   * 停止设备发现
   */
  stopDeviceDiscovery(): void {
    if (!this.isDiscovering || !this.deviceManager) {
      return;
    }
    
    try {
      this.deviceManager.stopDeviceDiscovery();
      this.isDiscovering = false;
      Logger.d('停止设备发现', 'DeviceManager');
    } catch (error) {
      Logger.e('停止设备发现失败', 'DeviceManager', error as Error);
    }
  }
  
  /**
   * 处理设备上线
   */
  private handleDeviceOnline(device: distributedDeviceManager.DeviceInfo): void {
    this.addConnectedDevice(device);
    
    // 通知上层设备上线
    this.notifyDeviceStatusChange(device.deviceId, true);
    
    // 如果是手机设备,检查是否有待接续的导航任务
    if (this.isPhoneDevice(device.deviceTypeId)) {
      this.checkPendingNavigationTasks(device.deviceId);
    }
  }
  
  /**
   * 处理设备离线
   */
  private handleDeviceOffline(device: distributedDeviceManager.DeviceInfo): void {
    const existingDevice = this.connectedDevices.get(device.deviceId);
    if (existingDevice) {
      const updatedDevice: DeviceInfo = {
        ...existingDevice,
        isConnected: false,
        lastActiveTime: Date.now()
      };
      this.connectedDevices.set(device.deviceId, updatedDevice);
    }
    
    // 通知上层设备离线
    this.notifyDeviceStatusChange(device.deviceId, false);
  }
  
  /**
   * 更新设备信息
   */
  private updateDeviceInfo(device: distributedDeviceManager.DeviceInfo): void {
    const existingDevice = this.connectedDevices.get(device.deviceId);
    if (existingDevice) {
      const updatedDevice: DeviceInfo = {
        ...existingDevice,
        deviceName: device.deviceName,
        lastActiveTime: Date.now(),
        // 更新设备能力信息
        capabilities: this.getDeviceCapabilities(device)
      };
      this.connectedDevices.set(device.deviceId, updatedDevice);
    }
  }
  
  /**
   * 添加连接设备
   */
  private addConnectedDevice(deviceInfo: distributedDeviceManager.DeviceInfo): void {
    const deviceType = this.mapDeviceType(deviceInfo.deviceTypeId);
    const device: DeviceInfo = {
      deviceId: deviceInfo.deviceId,
      deviceName: deviceInfo.deviceName,
      deviceType: deviceType,
      isConnected: true,
      lastActiveTime: Date.now(),
      capabilities: this.getDeviceCapabilities(deviceInfo)
    };
    
    this.connectedDevices.set(deviceInfo.deviceId, device);
    Logger.d(`添加设备: ${device.deviceName}(${device.deviceType}), 能力: ${JSON.stringify(device.capabilities)}`, 'DeviceManager');
  }
  
  /**
   * 映射设备类型
   */
  private mapDeviceType(deviceTypeId: number): DeviceType {
    // 根据实际设备类型ID映射
    switch (deviceTypeId) {
      case 102: return DeviceType.PHONE;    // 手机
      case 103: return DeviceType.TABLET;   // 平板
      case 106: return DeviceType.WATCH;   // 手表
      case 109: return DeviceType.CAR;     // 车机
      case 110: return DeviceType.TV;      // 智慧屏
      default: return DeviceType.PHONE;
    }
  }
  
  /**
   * 判断是否为手机设备
   */
  private isPhoneDevice(deviceTypeId: number): boolean {
    return deviceTypeId === 102; // 手机设备类型ID
  }
  
  /**
   * 获取设备能力
   */
  private getDeviceCapabilities(deviceInfo: distributedDeviceManager.DeviceInfo): DeviceCapabilities {
    // 根据设备类型和系统信息判断设备能力
    const deviceType = this.mapDeviceType(deviceInfo.deviceTypeId);
    
    const baseCapabilities: DeviceCapabilities = {
      supportsNavigation: deviceType === DeviceType.PHONE || deviceType === DeviceType.CAR,
      supportsHUD: deviceType === DeviceType.CAR,
      screenSize: { width: 1920, height: 1080 }, // 默认值,实际应从设备获取
      hasVoiceAssistant: true,
      hasGPS: deviceType === DeviceType.PHONE || deviceType === DeviceType.CAR,
      networkType: NetworkType.WIFI // 简化处理
    };
    
    // 根据设备类型调整能力
    switch (deviceType) {
      case DeviceType.CAR:
        baseCapabilities.supportsHUD = true;
        baseCapabilities.screenSize = { width: 1280, height: 720 };
        break;
      case DeviceType.PHONE:
        baseCapabilities.screenSize = { width: 1080, height: 2340 };
        break;
      case DeviceType.WATCH:
        baseCapabilities.supportsNavigation = false;
        baseCapabilities.supportsHUD = false;
        baseCapabilities.screenSize = { width: 454, height: 454 };
        break;
    }
    
    return baseCapabilities;
  }
  
  /**
   * 处理组网状态变更
   */
  private handleGroupStateChanged(groupId: string, state: number): void {
    Logger.i(`组网状态变更: Group=${groupId}, State=${state}`, 'DeviceManager');
    // 可以在这里处理超级终端组网相关的逻辑
  }
  
  /**
   * 检查待处理的导航任务
   */
  private checkPendingNavigationTasks(sourceDeviceId: string): void {
    // 在实际实现中,这里应该检查是否有从手机端同步过来的待接续导航任务
    Logger.d(`检查设备${sourceDeviceId}的待处理导航任务`, 'DeviceManager');
    
    // 发送自定义事件通知导航服务
    if (globalThis.navigationEventEmitter) {
      globalThis.navigationEventEmitter.emit('checkPendingTasks', { sourceDeviceId });
    }
  }
  
  /**
   * 获取已连接的手机设备
   */
  getConnectedPhones(): DeviceInfo[] {
    const phones: DeviceInfo[] = [];
    this.connectedDevices.forEach(device => {
      if (device.deviceType === DeviceType.PHONE && device.isConnected) {
        phones.push(device);
      }
    });
    return phones;
  }
  
  /**
   * 获取已连接的车机设备(主要用于手机端)
   */
  getConnectedCars(): DeviceInfo[] {
    const cars: DeviceInfo[] = [];
    this.connectedDevices.forEach(device => {
      if (device.deviceType === DeviceType.CAR && device.isConnected) {
        cars.push(device);
      }
    });
    return cars;
  }
  
  /**
   * 获取设备信息
   */
  getDeviceInfo(deviceId: string): DeviceInfo | undefined {
    return this.connectedDevices.get(deviceId);
  }
  
  /**
   * 获取所有已连接设备
   */
  getAllConnectedDevices(): DeviceInfo[] {
    const devices: DeviceInfo[] = [];
    this.connectedDevices.forEach(device => {
      if (device.isConnected) {
        devices.push(device);
      }
    });
    return devices;
  }
  
  /**
   * 通知设备状态变化
   */
  private notifyDeviceStatusChange(deviceId: string, isConnected: boolean): void {
    Logger.d(`设备状态变化: ${deviceId} ${isConnected ? '在线' : '离线'}`, 'DeviceManager');
    
    // 发送自定义事件通知其他模块
    if (globalThis.deviceEventEmitter) {
      globalThis.deviceEventEmitter.emit('deviceStatusChanged', { 
        deviceId, 
        isConnected,
        deviceInfo: this.connectedDevices.get(deviceId)
      });
    }
  }
  
  /**
   * 释放资源
   */
  release(): void {
    this.stopDeviceDiscovery();
    this.connectedDevices.clear();
    if (this.deviceManager) {
      // 取消所有事件监听
      this.deviceManager.off('deviceOnline');
      this.deviceManager.off('deviceOffline');
      this.deviceManager.off('deviceInfoChanged');
      this.deviceManager.off('groupStateChanged');
      this.deviceManager = null;
    }
    Logger.i('设备管理器资源已释放', 'DeviceManager');
  }
}
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