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基本介绍

客户端通过服务管理ServiceMgr获取图层服务并通过图层服务获取到各个图层控制器，最后调用图层控制器的各个图层业务接口完成图层的绘制显示。

在初始化图层服务前，客户端需要准备好内聚、图层优先级、图层碰撞配置文件（由AutoSDK解析）和图层的样式文件（由客户端解析）。图层服务的初始化和反初始化都是和MapEngineID绑定，如果需要基于这个MapView绘制业务图层的话，那有几个MapView就需要进行几次的初始化和反初始化（包括鹰眼MapView）。

在初始化之后，就可以调用com.autonavi.gbl.layer.BizControlService.setStyle设置所有图层控制器的com.autonavi.gbl.map.layer.observer.IPrepareLayerStyle对象，用于返回图层的样式和纹理。

调用com.autonavi.gbl.layer.BizControl.addClickObserver注册点击观察者、

调用com.autonavi.gbl.layer.BizControl.addFocusChangeObserver焦点变化观察者等。

从510版本开始，图层增加了业务图层的默认样式纹理，也就是说客户端无需再配置所有图层的样式纹理，图层就能显示出来纹理。这些默认的样式纹理是基于Auto基础版的，客户端可以进行一些简单的样式配置修改，图片资源替换，如果默认样式纹理不符合需求，依然可以使用旧的样式纹理模式。详情见业务图层默认样式纹理

时序图

前序文档

服务管理初始化

主图服务初始化

核心接口

//初始化业务图层优先级配置及内聚功能配置\nboolean com.autonavi.gbl.layer.BizControlService.init(@MapEngineID.MapEngineID1 int engineId, String strJsonFilename)\n\n//初始化业务图层的内部图层样式纹理，如果使用自定义图层样式，则无需调用该接口\nboolean com.autonavi.gbl.layer.BizControlService.initInnerStyle(IMapViewImpl mapView, ICardServiceImpl cardService, IPrepareLayerParamImpl customParam, InnerStyleParam param)\n\n//锁定地图姿态    \nvoid com.autonavi.gbl.layer.BizControlService.lockMapPosture(@MapEngineID.MapEngineID1 int \tengineId,MapPostureControlParam param)\n    \n//设置图元样式回调接口\nvoid com.autonavi.gbl.layer.BizControlService.setStyle(@MapEngineID.MapEngineID1 int engineId, IPrepareLayerStyle pStyle)\n\n//控制图层显隐\nvoid com.autonavi.gbl.layer.BizControlService.setVisible(@MapEngineID.MapEngineID1 int \tengineId,boolean bVisible)\n\n//图层业务服务反初始化接口，反初始化所有control，由IServiceMgr::UnInitBL触发\nvoid com.autonavi.gbl.layer.BizControlService.unInit()\n\n//图层业务服务反初始化接口，反初始化engineId对应的control，在释放map view前调用。\nvoid com.autonavi.gbl.layer.BizControlService.unInit(@MapEngineID.MapEngineID1 int engineId)\n\n//初始化图层组合碰撞配置\nboolean com.autonavi.gbl.layer.BizControlService.initCollisionConfig(MapView mapView, String strJsonFilename)\n\n//图层业务添加点击观察者回调\nvoid com.autonavi.gbl.layer.BizControl.addClickObserver(ILayerClickObserver pObserver)\n\n//添加图层业务焦点变化观察者回调\nvoid com.autonavi.gbl.layer.BizControl.addFocusChangeObserver(ILayerFocusChangeObserver pObserver)\n\n//删除图层业务点击观察者回调\nvoid com.autonavi.gbl.layer.BizControl.removeClickObserver(ILayerClickObserver pObserver)\n\n//删除图层业务焦点变化观察者回调\nvoid com.autonavi.gbl.layer.BizControl.removeFocusChangeObserver(ILayerFocusChangeObserver pObserver)\n\n//获取组队图层业务接口\nBizAGroupControl com.autonavi.gbl.layer.BizControlService.getBizAGroupControl(MapView pMapView)\n//获取区域类图层业务接口\nBizAreaControl com.autonavi.gbl.layer.BizControlService.getBizAreaControl(MapView pMapView)\n//获取车标图层业务接口\nBizCarControl com.autonavi.gbl.layer.BizControlService.getBizCarControl\t(MapView pMapView)\n//获取自定义类图层业务接口\nBizCustomControl com.autonavi.gbl.layer.BizControlService.getBizCustomControl(MapView pMapView)\n//获取飞线图层业务接口\nBizFlyLineControl com.autonavi.gbl.layer.BizControlService.getBizFlyLineControl(MapView pMapView)\n//获取鹰眼图业务接口\nBizGuideEagleEyeControl com.autonavi.gbl.layer.BizControlService.getBizGuideEagleEyeControl(@EGLDeviceID.EGLDeviceID1 int deviceId)\n//获取路线、导航相关图层业务接口\nBizGuideRouteControl com.autonavi.gbl.layer.BizControlService.getBizGuideRouteControl(MapView pMapView)\n//获取图层扎标类业务接口\nBizLabelControl com.autonavi.gbl.layer.BizControlService.getBizLabelControl(MapView pMapView)\n//获取放大路口图层业务接口\nBizRoadCrossControl com.autonavi.gbl.layer.BizControlService.getBizRoadCrossControl(MapView pMapView)\n//获取交通设施图层业务接口\nBizRoadFacilityControl com.autonavi.gbl.layer.BizControlService.getBizRoadFacilityControl(MapView pMapView)\n//获取搜索相关图层业务接口\nBizSearchControl com.autonavi.gbl.layer.BizControlService.getBizSearchControl(MapView pMapView)\n//获取用户相关图层业务接口\nBizUserControl com.autonavi.gbl.layer.BizControlService.getBizUserControl(MapView pMapView)

说明：函数详情，请复制函数名称到在线API搜索

调用示例

初始化图层服务

/** @brief 定义类MapLayerImpl,地图相关图层业务实现 */\npublic class MapLayerImpl {\n    private BizControlService mBizControlService;\n    private BizAGroupControl mAGroupControl;\n    private BizAreaControl mAreaControl;\n    private BizCarControl mCarControl;\n    private BizGuideEagleEyeControl mGuideEagleEyeControl;\n    private BizGuideRouteControl mGuideRouteControl;\n    private BizLabelControl mLabelControl;\n    private BizRoadCrossControl mRoadCrossControl;\n    private BizRoadFacilityControl mRoadFacilityControl;\n    private BizSearchControl mSearchControl;\n    private BizUserControl mUserControl;\n    private BizCustomControl mBizCustomControl; \n\n    private void initLayerService() {\n        if (mBizControlService == null) {\n            mBizControlService = (BizControlService) ServiceMgr.getServiceMgrInstance().getBLService(SingleServiceID.BizControlSingleServiceID);\n\n            String styleBlPath = AutoConstant.PATH + "style_bl.json";\n            //下沉默认style_bl.json文件放在LayerAsset下，如果用户想使用默认文件，需设置路径给BizControlService.init\n            boolean init = mBizControlService.init(MapEngineID.MapEngineIdMain, styleBlPath);\n            if (!init) {\n                CommonUtil.showShortToast("bizMapEngineIdMain初始化失败");\n            }\n\n            boolean initEagle = mBizControlService.init(MapEngineID.MapEngineIdMainEagleEye, styleBlPath);\n            if (!initEagle) {\n                CommonUtil.showShortToast("bizMapEngineIdMainEagleEye初始化失败");\n            }\n\n            int isInit = mBizControlService.isInit();\n            if (isInit != ServiceInitStatus.ServiceInitDone) {\n                CommonUtil.showShortToast("biz初始化失败");\n            }\n        }\n    }\n    ...\n}

获取图层各控制对象

/** @brief 定义类MapLayerImpl,地图相关图层业务实现 */\npublic class MapLayerImpl {\n    ...\n    /**\n     * @brief   初始化所有control\n     */\n    public void initAllControls() {\n        if (mBizControlService != null) {\n            // 组队图层业务接口\n            mAGroupControl = mBizControlService.getBizAGroupControl(mMapView);\n            // 区域类图层业务接口\n            mAreaControl = mBizControlService.getBizAreaControl(mMapView);\n            // 车标图层业务接口\n            mCarControl = mBizControlService.getBizCarControl(mMapView);\n            mCarControl.updateStyle(BizCarType.BizCarTypeCruise);\n            // 鹰眼控制接口（注意不是EngineID）\n            mGuideEagleEyeControl = mBizControlService.getBizGuideEagleEyeControl(mMapView.getDeviceId());\n            // 路线相关图层业务接口\n            mGuideRouteControl = mBizControlService.getBizGuideRouteControl(mMapView);\n            // 图层扎标类业务接口\n            mLabelControl = mBizControlService.getBizLabelControl(mMapView);\n            // 放大路口图层业务接口\n            mRoadCrossControl = mBizControlService.getBizRoadCrossControl(mMapView);\n            // 交通设施图层业务接口\n            mRoadFacilityControl = mBizControlService.getBizRoadFacilityControl(mMapView);\n            // 搜索相关图层业务接口\n            mSearchControl = mBizControlService.getBizSearchControl(mMapView);\n            // 用户相关图层业务接口\n            mUserControl = mBizControlService.getBizUserControl(mMapView);\n            // 自定义类图层业务接口\n            mBizCustomControl = mBizControlService.getBizCustomControl(mMapView);\n        }\n    }\n    ...\n}\n

反初始化图层服务

/** @brief 定义类MapLayerImpl,地图相关图层业务实现 */\npublic class MapLayerImpl {\n    ...\n    /**\n     * @brief   反初始化主图和biz\n     */\n    public void uninit() {\n        if (mBizControlService != null) {\n            mBizControlService.setStyle(MapEngineID.MapEngineIdMain, null);\n            mBizControlService.setStyle(MapEngineID.MapEngineIdMainEagleEye, null);\n            mBizControlService.unInit(MapEngineID.MapEngineIdMain);\n            mBizControlService.unInit(MapEngineID.MapEngineIdMainEagleEye);\n            mBizControlService = null;\n        }\n\n        //注销所有control\n        mAGroupControl = null;\n        mAreaControl = null;\n        mCarControl = null;\n        mGuideEagleEyeControl = null;\n        mGuideRouteControl = null;\n        mLabelControl = null;\n        mRoadCrossControl = null;\n        mRoadFacilityControl = null;\n        mSearchControl = null;\n        mUserControl = null;\n        mBizCustomControl = null;\n\n        ServiceMgr.getServiceMgrInstance().removeBLService(SingleServiceID.BizControlSingleServiceID);\n    }\n    ...\n}\n

JSON配置

以下是业务图层内聚（"virtual_bus"）、优先级（"layer_priority"）以及业务图层间碰撞（"collision_combination"）JSON配置样例：

以下是默认配置，配置文件名是style_bl.json。具体配置方法见业务图层内聚和业务图层间碰撞

{\n    "virtual_bus": {\n      "car_layer": 1,\n      "rct_route_layer": 1,\n      "cruise_congestion_layer": 1,\n      "cruise_lane_layer": 1,\n      "guide_mix_fork_layer": 1,\n      "cruise_congestion_event_layer": 1,\n      "cruise_facility_layer": 1,\n      "cruise_camera_layer": 1,\n      "guide_camera_layer": 1,\n      "guide_facility_layer": 1,\n      "guide_interval_camera_layer": 1,\n      "guide_traffic_event_layer": 1,\n      "route_arrow_layer": 1,\n      "update_light_bar": 1,\n      "guide_congestion_layer": 1,\n      "guide_label_layer": 1,\n      "guide_path_board_layer": 1,\n      "guide_eta_event_layer": 1,\n      "guide_dynamic_level": 1,\n      "stop_guide": 1,\n      "guide_eagle_eye": 1,\n      "guide_traffic_light_layer": 1\n    },\n    "layer_priority": {\n      "agroup_control": {\n        "agroup_layer": {\n          "draw_priority": 140,\n          "sub_priority": 2300\n        },\n        "agroup_endpoint_layer": {\n          "draw_priority": 140,\n          "sub_priority": 2400\n        }\n      },\n      "area_control": {\n        "area_range_onmap_circle_layer": {\n          "draw_priority": 60,\n          "sub_priority": 2500\n        },\n        "area_range_onmap_polygon_line_layer": {\n          "draw_priority": 60,\n          "sub_priority": 2600\n        },\n        "area_range_onmap_circle_line_layer": {\n          "draw_priority": 60,\n          "sub_priority": 2600\n        },\n        "area_range_onmap_polygon_layer": {\n          "draw_priority": 60,\n          "sub_priority": 2500\n        },\n        "area_range_onmap_polygon_exhaustedPoint_layer": {\n          "draw_priority": 140,\n          "sub_priority": 2650\n        },\n        "area_range_onmap_circle_exhaustedPoint_layer": {\n          "draw_priority": 140,\n          "sub_priority": 2650\n        },\n        "route_restrict_layer": {\n          "draw_priority": 100,\n          "sub_priority": 1400\n        },\n        "route_end_area_parent_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3500\n        },\n        "route_end_area_child_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3100\n        },\n        "route_end_area_polygon_layer": {\n          "draw_priority": 100,\n          "sub_priority": 1500\n        },\n        "route_end_area_polyline_layer": {\n          "draw_priority": 100,\n          "sub_priority": 1500\n        }\n      },\n      "car_control": {\n        "car_guide_layer": {\n          "draw_priority": 140,\n          "sub_priority": 5400\n        },\n        "car_cruise_layer": {\n          "draw_priority": 140,\n          "sub_priority": 5300\n        },\n        "car_search_layer": {\n          "draw_priority": 140,\n          "sub_priority": 5500\n        },\n        "car_route_layer": {\n          "draw_priority": 140,\n          "sub_priority": 1750\n        },\n        "car_familiar_layer": {\n          "draw_priority": 140,\n          "sub_priority": 5350\n        },\n        "car_eagleeye_layer": {\n          "draw_priority": 1000,\n          "sub_priority": 5400\n        }\n      },\n      "flyline_control": {\n        "car_end_line_layer": {\n          "draw_priority": 100,\n          "sub_priority": 300\n        },\n        "car_end_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 5200\n        }\n      },\n      "cross_control": {\n        "guide_vector_cross_layer": {\n          "draw_priority": 140,\n          "sub_priority": 6000\n        },\n        "guide_raster_image_layer": {\n          "draw_priority": 140,\n          "sub_priority": 6100\n        }\n      },\n      "label_control": {\n        "cruise_congestion_layer": {\n          "draw_priority": 140,\n          "sub_priority": 500\n        },\n        "cruise_lane_layer": {\n          "draw_priority": 140,\n          "sub_priority": 600\n        },\n        "guide_mix_fork_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3670\n        },\n        "route_pop_add_via_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 10000\n        },\n        "route_pop_remove_via_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 10000\n        },\n        "route_pop_traffic_event_layer": {\n          "draw_priority": 140,\n          "sub_priority": 10000\n        },\n        "route_pop_search_layer": {\n          "draw_priority": 140,\n          "sub_priority": 10000\n        },\n        "route_pop_end_area_layer": {\n          "draw_priority": 140,\n          "sub_priority": 10000\n        },\n        "gps_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 100\n        }\n      },\n      "road_facility_control": {\n        "cruise_congestion_event_layer": {\n          "draw_priority": 140,\n          "sub_priority": 600\n        },\n        "cruise_facility_layer": {\n          "draw_priority": 140,\n          "sub_priority": 800\n        },\n        "cruise_camera_layer": {\n          "draw_priority": 140,\n          "sub_priority": 900\n        },\n        "guide_camera_active_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3780\n        },\n        "guide_camera_normal_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3690\n        },\n        "guide_facility_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3680\n        },\n        "guide_interval_camera_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3790\n        },\n        "guide_traffic_event_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3490\n        },\n        "guide_traffic_light_layer": {\n          "draw_priority":140,\n          "sub_priority":3770\n        }\n      },\n      "route_control": {\n        "route_start_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3400\n        },\n        "route_end_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3500\n        },\n        "route_via_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3600\n        },\n        "route_compare_tip_layer": {\n          "draw_priority": 140,\n          "sub_priority": 2900\n        },\n        "route_path_layer": {\n          "draw_priority": 100,\n          "sub_priority": 1700\n        },\n        "route_jam_line_layer": {\n          "draw_priority": 100,\n          "sub_priority": 1600\n        },\n        "route_jam_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 2700\n        },\n        "route_forbidden_layer": {\n          "draw_priority": 140,\n          "sub_priority": 2600\n        },\n        "route_weather_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3700\n        },\n        "route_via_road_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3710\n        },\n        "route_arrow_layer": {\n          "draw_priority": 140,\n          "sub_priority": 1740\n        },\n        "route_avoid_limit_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3050\n        },\n        "route_limit_facility_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3080\n        },\n        "route_little_camera_layer": {\n          "draw_priority": 140,\n          "sub_priority": 1900\n        },\n        "route_traffic_light_layer": {\n          "draw_priority": 140,\n          "sub_priority": 2000\n        },\n        "route_traffic_block_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3000\n        },\n        "route_traffic_block_outer_layer": {\n          "draw_priority": 140,\n          "sub_priority": 2800\n        },\n        "route_traffic_event_tip_layer": {\n          "draw_priority": 140,\n          "sub_priority": 2900\n        },\n        "route_energy_empty_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3550\n        },\n        "route_odd_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3580\n        },\n        "route_energy_remain_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3800\n        },\n        "route_energy_key_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3540\n        },\n        "guide_congestion_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3710\n        },\n        "guide_label_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3760\n        },\n        "guide_path_board_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3700\n        },\n        "guide_eta_event_layer": {\n          "draw_priority": 140,\n          "sub_priority": 2100\n        },\n        "route_start_end_line_layer": {\n          "draw_priority": 140,\n          "sub_priority": 300\n        },\n        "route_start_end_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3500\n        },\n        "route_eagle_start_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3400\n        },\n        "route_eagle_end_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3500\n        },\n        "route_eagle_via_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3600\n        },\n        "route_eagle_path_layer": {\n          "draw_priority": 100,\n          "sub_priority": 1700\n        },\n        "route_rest_area_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3520\n        },\n        "route_dodge_line_layer": {\n          "draw_priority": 100,\n          "sub_priority": 1725\n        },\n        "route_end_path_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 2590\n        },\n        "route_three_urgent_layer": {\n          "draw_priority": 140,\n          "sub_priority": 2590\n        }\n      },\n      "search_control": {\n        "search_point_beginend_layer": {\n          "draw_priority": 140,\n          "sub_priority": 2900\n        },\n        "search_point_exitentrance_layer": {\n          "draw_priority": 140,\n          "sub_priority": 1200\n        },\n        "search_point_centralpos_layer": {\n          "draw_priority": 140,\n          "sub_priority": 1200\n        },\n        "search_point_root_layer": {\n          "draw_priority": 140,\n          "sub_priority": 1300\n        },\n        "search_point_children_layer": {\n          "draw_priority": 140,\n          "sub_priority": 1300\n        },\n        "search_line_layer": {\n          "draw_priority": 100,\n          "sub_priority": 200\n        },\n        "search_polygon_layer": {\n          "draw_priority": 100,\n          "sub_priority": 200\n        },\n        "search_polyline_layer": {\n          "draw_priority": 100,\n          "sub_priority": 200\n        },\n        "search_along_route_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3520\n        },\n        "search_park_route_layer": {\n          "draw_priority": 140,\n          "sub_priority": 3650\n        },\n        "search_charge_station_layer": {\n          "draw_priority": 140,\n          "sub_priority": 1300\n        }\n      },\n      "user_control": {\n        "user_gps_track_point_layer": {\n          "draw_priority": 140,\n          "sub_priority": 1100\n        },\n        "user_gps_track_line_layer": {\n          "draw_priority": 140,\n          "sub_priority": 1000\n        },\n        "user_send_to_car_layer": {\n          "draw_priority": 140,\n          "sub_priority": 0\n        },\n        "user_favorite_main_layer": {\n          "draw_priority": 140,\n          "sub_priority": 400\n        },\n        "user_favorite_poi_layer": {\n          "draw_priority": 140,\n          "sub_priority": 400\n        },\n        "user_rainbow_line_layer": {\n          "draw_priority": 140,\n          "sub_priority": 1000\n        }\n      }\n    },\n    "collision_combination": {\n        "guide_congestion_collision": {\n            "area_collision": [\n\t\t\t\t        "guide_congestion_layer"\n\t\t\t      ],\n            "collision_layer": [\n                "guide_camera_active_layer",\n                "guide_interval_camera_layer",\n                "guide_traffic_light_layer",\n                "guide_congestion_layer"\n            ]\t\n        },\n        "guide_label_collision": {\n            "area_collision": [\n              \t"guide_label_layer"\n             ],\n            "collision_layer": [\n                "guide_camera_active_layer" ,\n                "guide_congestion_layer",\n                "guide_path_board_layer",\n                "guide_label_layer"\n            ]\n        },\n        "search_collision": {\n            "area_collision": [],\n              "collision_layer": [\n                  "search_point_root_layer",\n                  "search_point_children_layer"\n              ]\n        },\n        "end_area_collision": {\n            "area_collision": [],\n              "collision_layer": [\n                  "route_end_area_parent_layer",\n                  "route_end_area_child_layer"\n              ],\n             "collided_by_focus_item":1\n        },\n        "guide_collision": {\n            "area_collision": [],\n            "collision_layer": [\n                "guide_interval_camera_layer",\n                "guide_camera_active_layer",\n                "guide_camera_normal_layer",\n                "guide_traffic_light_layer",\n                "guide_facility_layer",\n                "guide_congestion_layer",\n                "guide_label_layer",\n                "guide_path_board_layer",\n                "guide_mix_fork_layer"\n            ],\n            "not_collided_by_high_priority": [\n                "guide_camera_normal_layer",\n                "guide_congestion_layer",\n                "guide_label_layer"\n            ],\n            "not_collide_low_priority": [\n            ],\n            "not_collide_each_other": {\n              \t"guide_traffic_light_layer":"guide_camera_active_layer"\n            }\n        }\n\t  }\t\n}\n

注意事项

1，初始化时：需要先初始化主图服务后再初始化图层服务（图层服务依赖主图的MapView）

2，反初始化时：先反初始化图层服务后再反初始化主图服务（图层服务依赖主图的MapView）

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