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高德 开发 iOS 地图SDK 概述

更新时间:2017年08月24日

高德地图iOS SDK简介

高德开放平台目前开放了 iOS 地图 SDK 以及 iOS 地图 SDK 专业版两套地图SDK工具。

高德地图 iOS SDK 是一套基于 iOS 7.0 及以上版本的地图应用程序开发接口,供开发者在自己的iOS应用中加入地图相关的功能,包括:地图显示(含室内、室外地图)、与地图交互、在地图上绘制、兴趣点搜索、地理编码、离线地图等功能。

高德地图 iOS SDK 专业版是在 iOS SDK 已有服务的基础上,新增支持了自定义地图在线加载、自定义地图元素纹理等功能,便于开发者完成基于自身场景的更深层、更个性化地图的开发需求。

  • 展示地图
    /*创建地图并添加到父view上*/
      self.mapView = [[MAMapView alloc] initWithFrame:self.view.bounds];
        self.mapView.delegate = self;
        [self.view addSubview:self.mapView];
  • Marker
    /*添加annotation*/
    self.annotations = [NSMutableArray array];
        CLLocationCoordinate2D coordinates[10] = {
            {39.992520, 116.336170},
            {39.992520, 116.336170},
            {39.998293, 116.352343},
            {40.004087, 116.348904},
            {40.001442, 116.353915},
            {39.989105, 116.353915},
            {39.989098, 116.360200},
            {39.998439, 116.360201},
            {39.979590, 116.324219},
            {39.978234, 116.352792}};    
        for (int i = 0; i < 10; ++i)
        {
            MAPointAnnotation *a1 = [[MAPointAnnotation alloc] init];
            a1.coordinate = coordinates[i];
            a1.title      = [NSString stringWithFormat:@"anno: %d", i];
            [self.annotations addObject:a1];
        }
    - (void)viewDidAppear:(BOOL)animated
    {
        [super viewDidAppear:animated];  
        [self.mapView addAnnotations:self.annotations];
        [self.mapView showAnnotations:self.annotations edgePadding:UIEdgeInsetsMake(20, 20, 20, 80) animated:YES];
    }
    
    /* 实现代理方法:*/
    - (MAAnnotationView *)mapView:(MAMapView *)mapView viewForAnnotation:(id<MAAnnotation>)annotation
    {
        if ([annotation isKindOfClass:[MAPointAnnotation class]])
        {
            static NSString *pointReuseIndetifier = @"pointReuseIndetifier";
            MAPinAnnotationView *annotationView = (MAPinAnnotationView*)[mapView dequeueReusableAnnotationViewWithIdentifier:pointReuseIndetifier];
            if (annotationView == nil)
            {
                annotationView = [[MAPinAnnotationView alloc] initWithAnnotation:annotation                                                 reuseIdentifier:pointReuseIndetifier];
            }
            annotationView.canShowCallout = YES;
            annotationView.animatesDrop = YES;
            annotationView.draggable = YES;
            annotationView.rightCalloutAccessoryView  = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];
            annotationView.pinColor  = [self.annotations indexOfObject:annotation] % 3;
           return annotationView;
        }
        return nil;
    }
  • 驾车路线规划
    AMapDrivingRouteSearchRequest *navi = [[AMapDrivingRouteSearchRequest alloc] init];
    
        navi.requireExtension = YES;
        navi.strategy = 5;
        /* 出发点. */
        navi.origin=[AMapGeoPoint locationWithLatitude:self.startCoordinate.latitude
                                               longitude:self.startCoordinate.longitude];
        /* 目的地. */
        navi.destination = [AMapGeoPoint locationWithLatitude:self.destinationCoordinate.latitude
                                                    longitude:self.destinationCoordinate.longitude];
        [self.search AMapDrivingRouteSearch:navi];
  • 搜索POI
    /* 根据ID来搜索POI. */
    - (void)searchPoiByID
    {
        AMapPOIIDSearchRequest *request = [[AMapPOIIDSearchRequest alloc] init];
    
        request.uid                 = @"B000A7ZQYC";
        request.requireExtension    = YES;
        
        [self.search AMapPOIIDSearch:request];
        
    }
    
    /* 根据关键字来搜索POI. */
    - (void)searchPoiByKeyword
    {
        AMapPOIKeywordsSearchRequest *request = [[AMapPOIKeywordsSearchRequest alloc] init];
        
        request.keywords            = @"北京大学";
        request.city                = @"北京";
        request.types               = @"高等院校";
        request.requireExtension    = YES;
        
        /*  搜索服务 3.2.0 中新增加的功能,只搜索本城市的POI。*/
        request.cityLimit           = YES;
        request.requireSubPOIs      = YES;
        
        [self.search AMapPOIKeywordsSearch:request];
    }
  • 自定义OpenGL渲染
    /* 计算经纬度坐标对应的OpenGL坐标,每次地图坐标系有变化均会调用这个方法。 */
    - (void)referenceDidChange
    {
        [super referenceDidChange];
        
        //根据z=0平面的尺寸计算新的参考坐标系距离单位
        CGPoint * bottomGlPts = [self glPointsForMapPoints:_bottomMapPts count:2];
        
        _cubePointCount = totalVertexCount;
        
        CGFloat sideLenOnGL = [self lengthBetweenPointA:bottomGlPts[0] andPointB:bottomGlPts[1]];
        
        float w = sideLenOnGL * 0.5f;
        _move = Vertex(w,0,0);
        
        /*计算模型中心的GL坐标。*/
        MAMapPoint center = MAMapPointForCoordinate(self.overlay.coordinate);
        CGPoint centerGL = [self glPointForMapPoint:center];
        _cubeCenterGL = Vertex(centerGL.x, centerGL.y, w);
    
        /* 创建vertex。 */
        _cubePoints[0] = Vertex(-w, -w, -w);
        _cubePoints[1] = Vertex(-w, -w, w);
        _cubePoints[2] = Vertex(w, -w, -w);
        _cubePoints[3] = Vertex(w, -w, w);
        _cubePoints[4] = Vertex(w, w, -w);
        _cubePoints[5] = Vertex(w, w, w);
        _cubePoints[6] = Vertex(-w, w, -w);
        _cubePoints[7] = Vertex(-w, w, w);
        
        free(bottomGlPts);
        
        /* 创建index。 */
        const GLuint indexCountOnSideFace = 24;
        //4个侧面
        for (int i = 0, j = 0; i < _cubePointCount && j < indexCountOnSideFace; i = i + 2)
        {
            _cubeIndices[j++] = i;
            _cubeIndices[j++] = i+1;
            _cubeIndices[j++] = (i+2)%_cubePointCount;
            
            _cubeIndices[j++] = i+1;
            _cubeIndices[j++] = (i+3)%_cubePointCount;
            _cubeIndices[j++] = (i+2)%_cubePointCount;
        }
        
        //顶面和底面
        for (int i = 0, j = indexCountOnSideFace; i < 2 && j < indexCount; i++)
        {
            _cubeIndices[j++] = i;
            _cubeIndices[j++] = i + 2;
            _cubeIndices[j++] = i + 4;
            
            _cubeIndices[j++] = i;
            _cubeIndices[j++] = i + 4;
            _cubeIndices[j++] = i + 6;
        }
        
    }
    
    /* OpenGL绘制。 */
    - (void)glRender
    {
        glEnable(GL_DEPTH_TEST);
        glDepthFunc(GL_ALWAYS);
        
        glEnable(GL_BLEND);
        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        
        glDisable(GL_TEXTURE_2D);
        glEnableClientState(GL_VERTEX_ARRAY);
        
        //进行位移
        glPushMatrix();
        
        const float speed = 0.1;
        static float i = 0;
        glTranslatef(_cubeCenterGL.x + _move.x * i, _cubeCenterGL.y + _move.y * i, _cubeCenterGL.z + _move.z * i);
        float forward = speed;
        if (i > 6)
        {
            forward = -speed;
        }else if(i < -6)
        {
            forward = speed;
        }
        i = i + forward;
    
        glVertexPointer(3, GL_FLOAT, 0, _cubePoints);
    
        const GLuint faceCount = 6;
        const GLuint indexCountPerFace = 6;
        
        GLfloat r,b,g;
        for(int i = 0; i < faceCount; i++)
        {
            r = 0.5 + 0.5 * (i&1);
            g = 0.5 + 0.5 * (i&2);
            b = 0.5 + 0.5 * (i&4);
    
            glColor4f(r, g, b, 0.5);
            glDrawElements(GL_TRIANGLES, indexCountPerFace, GL_UNSIGNED_SHORT, &_cubeIndices[i*indexCountPerFace]);
        }
        
        glPopMatrix();
        //结束位移
        
        glDisableClientState(GL_VERTEX_ARRAY);
        glDisable(GL_BLEND);
        glDisable(GL_DEPTH_TEST);
    
    }
  • 离线地图
    [[MAOfflineMap sharedOfflineMap] downloadItem:item shouldContinueWhenAppEntersBackground:YES downloadBlock:^(MAOfflineItem * downloadItem, MAOfflineMapDownloadStatus downloadStatus, id info) {
            
            if (![self.downloadingItems containsObject:downloadItem])
            {
                [self.downloadingItems addObject:downloadItem];
                [self.downloadStages setObject:[NSMutableDictionary dictionary] forKey:downloadItem.adcode];
            }
            
            /* Manipulations to your application’s user interface must occur on the main thread. */
            dispatch_async(dispatch_get_main_queue(), ^{
                
                NSMutableDictionary *stage  = [self.downloadStages objectForKey:downloadItem.adcode];
                
                if (downloadStatus == MAOfflineMapDownloadStatusWaiting)
                {
                    [stage setObject:[NSNumber numberWithBool:YES] forKey:DownloadStageIsRunningKey2];
                }
                else if(downloadStatus == MAOfflineMapDownloadStatusProgress)
                {
                    [stage setObject:info forKey:DownloadStageInfoKey2];
                }
                else if(downloadStatus == MAOfflineMapDownloadStatusCancelled
                        || downloadStatus == MAOfflineMapDownloadStatusError
                        || downloadStatus == MAOfflineMapDownloadStatusFinished)
                {
                    [stage setObject:[NSNumber numberWithBool:NO] forKey:DownloadStageIsRunningKey2];
                    
                    // clear
                    [self.downloadingItems removeObject:downloadItem];
                    [self.downloadStages removeObjectForKey:downloadItem.adcode];
                }
                
                [stage setObject:[NSNumber numberWithInt:downloadStatus] forKey:DownloadStageStatusKey2];
                
                /* Update UI. */
                //更新触发下载操作的item涉及到的UI
                [self updateUIForItem:item atIndexPath:indexPath];
                
                if (downloadStatus == MAOfflineMapDownloadStatusFinished)
                {
                    self.needReloadWhenDisappear = YES;
                }
            });
        }];

下载完整示例代码

账号与Key的申请

注册成为高德开发者需要分三步:

第一步,注册高德开发者;

第二步,去控制台创建应用;

第三步,获取Key。

具体步骤可参看下图

获取 API Key

兼容性

高德地图iOS 地图 SDK 4.4.0以下版本支持iOS 6.0及以上系统。

高德地图iOS 地图 SDK 4.4.0及以上版本支持 iOS 7.0及以上系统。

给开发者的建议

(1) 高德开放平台提供的地图API/SDK,任何非盈利性网站/应用均可免费使用 。请参阅《高德地图 API 使用条款》获得详细信息。

(2)iOS V2.0.6.1(含)之前版本的SDK搜索服务将于2015年2月底停止使用,涉及到POI查询、地理编码、逆地理编码、路径规划、公交查询。如您已采用旧版iOS SDK进行开发,建议您采用最新版本的 iOS SDK进行开发,请参阅升级方案

(3)iOS SDK V2.4.0(含)之后版本适配了arm 64架构,免除您的app提交到app store的后顾之忧。

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