1 地图属性

1. 地图属性
   mapType ：可选卫星，标准矢量图，空白
2. 缩放
   zoomEnabled 是否可缩放
   zoomLevel 比例尺级别 ：手机上可使用的级别为3-21级
3. 是否可移动
   scrollEnabled
4. 旋转角度
   rotation：－180～180
5. 俯视角度
   overlooking：－45～0
6. 百度图标位置
   logoPosition
7. 是否展示路况图层
   [mapView setTrafficEnabled:YES];
8. 是否展示3D楼宇
   [mapView setBuildingsEnabled:YES];
9. 是否展示热力图
   [mapView setBaiduHeatMapEnabled:YES];
10. 是否展示底图标注
    [mapView setShowMapPoi:YES];
11. 比例尺
    showMapScaleBar 是否展示比例尺
    mapScaleBarPosition 比例尺的位置
    mapScaleBarSize 比例尺的宽高
12. 是否支持所有手势
    gesturesEnabled
13. 双击手势放大地图时, 地图中心点移动至点击处
    ChangeCenterWithDoubleTouchPointEnabled
14. 指南针位置
    [mapView setCompassPosition:point];
15. 定位模式
    userTrackingMode :
    普通模式（小蓝点）BMKUserTrackingModeNone
    跟随模式（蓝箭头） BMKUserTrackingModeFollow
    罗盘模式 BMKUserTrackingModeFollowWithHeading

2 自定义地图样式

控制器初始化时，设置地图样式，之后可随时控制打开/关闭个性化

+ (void)initialize {
    //设置自定义地图样式，会影响所有地图实例
    //注：必须在BMKMapView对象初始化之前调用
    NSString* path = [[NSBundle mainBundle] pathForResource:@"custom_config_清新蓝" ofType:@""];
    [BMKMapView customMapStyle:path];
}

//打开/关闭个性化地图
    [BMKMapView enableCustomMapStyle:YES];

custom_config_清新蓝 样式文件：

[
  {
    "featureType": "land",
    "elementType": "geometry",
    "stylers": {
      "color": "#e7f7fc",
      "visibility": "on"
    }
  },
  {
    "featureType": "water",
    "elementType": "all",
    "stylers": {
      "color": "#96b5d6",
      "visibility": "on"
    }
  },
  {
    "featureType": "green",
    "elementType": "all",
    "stylers": {
      "color": "#b0d3dd",
      "visibility": "on"
    }
  },
  {
    "featureType": "highway",
    "elementType": "geometry.fill",
    "stylers": {
      "color": "#a6cfcf"
    }
  },
  {
    "featureType": "highway",
    "elementType": "geometry.stroke",
    "stylers": {
      "color": "#7dabb3"
    }
  },
  {
    "featureType": "arterial",
    "elementType": "geometry.fill",
    "stylers": {
      "color": "#A6EBFF"
    }
  },
  {
    "featureType": "arterial",
    "elementType": "geometry.stroke",
    "stylers": {
      "color": "#9ECFFF"
    }
  },
    {
      "featureType": "local",
      "elementType": "geometry.fill",
      "stylers": {
        "color": "#e7f7fc"
      }
    },
    {
      "featureType": "local",
      "elementType": "geometry.stroke",
      "stylers": {
        "color": "#50da53"
      }
    },
  {
    "featureType": "poilabel",
    "elementType": "labels.text.fill",
    "stylers": {
      "color": "#374a46",
      "visibility": "on"
    }
  },
  {
    "featureType": "poilabel",
    "elementType": "labels.text.stroke",
    "stylers": {
      "color": "#e9eeed",
      "visibility": "on"
    }
  }
]

3 手势

3.1 系统手势

地图手势通过 mapView 的代理 BMKMapViewDelegate 的代理方法回调

• 点中底图标注后会回调此接口

- (void)mapView:(BMKMapView *)mapView onClickedMapPoi:(BMKMapPoi*)mapPoi
{
    NSLog(@"onClickedMapPoi-%@",mapPoi.text);
    NSString* showmeg = [NSString stringWithFormat:@"您点击了底图标注:%@,\r\n当前经度:%f,当前纬度:%f,\r\nZoomLevel=%d;RotateAngle=%d;OverlookAngle=%d", mapPoi.text,mapPoi.pt.longitude,mapPoi.pt.latitude, (int)_mapView.zoomLevel,_mapView.rotation,_mapView.overlooking];
    _showMsgLabel.text = showmeg;
}

• 点中底图空白处会回调此接口

- (void)mapView:(BMKMapView *)mapView onClickedMapBlank:(CLLocationCoordinate2D)coordinate
{
    NSLog(@"onClickedMapBlank-latitude==%f,longitude==%f",coordinate.latitude,coordinate.longitude);
    NSString* showmeg = [NSString stringWithFormat:@"您点击了地图空白处(blank click).\r\n当前经度:%f,当前纬度:%f,\r\nZoomLevel=%d;RotateAngle=%d;OverlookAngle=%d", coordinate.longitude,coordinate.latitude,
                         (int)_mapView.zoomLevel,_mapView.rotation,_mapView.overlooking];
    _showMsgLabel.text = showmeg;
}

• 双击地图时会回调此接口

- (void)mapview:(BMKMapView *)mapView onDoubleClick:(CLLocationCoordinate2D)coordinate
{
    NSLog(@"onDoubleClick-latitude==%f,longitude==%f",coordinate.latitude,coordinate.longitude);
    NSString* showmeg = [NSString stringWithFormat:@"您双击了地图(double click).\r\n当前经度:%f,当前纬度:%f,\r\nZoomLevel=%d;RotateAngle=%d;OverlookAngle=%d", coordinate.longitude,coordinate.latitude,
                         (int)_mapView.zoomLevel,_mapView.rotation,_mapView.overlooking];
    _showMsgLabel.text = showmeg;
}

• 长按地图时会回调此接口

- (void)mapview:(BMKMapView *)mapView onLongClick:(CLLocationCoordinate2D)coordinate
{
    NSLog(@"onLongClick-latitude==%f,longitude==%f",coordinate.latitude,coordinate.longitude);
    NSString* showmeg = [NSString stringWithFormat:@"您长按了地图(long pressed).\r\n当前经度:%f,当前纬度:%f,\r\nZoomLevel=%d;RotateAngle=%d;OverlookAngle=%d", coordinate.longitude,coordinate.latitude,
                         (int)_mapView.zoomLevel,_mapView.rotation,_mapView.overlooking];
    _showMsgLabel.text = showmeg;

}

• 地图展示区域发生变化

- (void)mapView:(BMKMapView *)mapView regionDidChangeAnimated:(BOOL)animated
{
    NSString* showmeg = [NSString stringWithFormat:@"地图区域发生了变化(x=%d,y=%d,\r\nwidth=%d,height=%d).\r\nZoomLevel=%d;RotateAngle=%d;OverlookAngle=%d",(int)_mapView.visibleMapRect.origin.x,(int)_mapView.visibleMapRect.origin.y,(int)_mapView.visibleMapRect.size.width,(int)_mapView.visibleMapRect.size.height,(int)_mapView.zoomLevel,_mapView.rotation,_mapView.overlooking];
    
    _showMsgLabel.text = showmeg;
}

3.2 自定义手势

- (void)addCustomGestures {
    /*
     *注意：
     *添加自定义手势时，必须设置UIGestureRecognizer的属性cancelsTouchesInView 和 delaysTouchesEnded 为NO,
     *否则影响地图内部的手势处理
     */
    UITapGestureRecognizer *doubleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleDoubleTap:)];
    doubleTap.delegate = self;
    doubleTap.numberOfTapsRequired = 2;
    doubleTap.cancelsTouchesInView = NO;
    doubleTap.delaysTouchesEnded = NO;
    
    [self.view addGestureRecognizer:doubleTap];
    
    /*
     *注意：
     *添加自定义手势时，必须设置UIGestureRecognizer的属性cancelsTouchesInView 和 delaysTouchesEnded 为NO,
     *否则影响地图内部的手势处理
     */
    UITapGestureRecognizer *singleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleSingleTap:)];
    singleTap.delegate = self;
    singleTap.cancelsTouchesInView = NO;
    singleTap.delaysTouchesEnded = NO;
    [singleTap requireGestureRecognizerToFail:doubleTap];
    [self.view addGestureRecognizer:singleTap];
}

- (void)handleSingleTap:(UITapGestureRecognizer *)theSingleTap {
    /*
     *do something
     */
    NSLog(@"my handleSingleTap");
}

- (void)handleDoubleTap:(UITapGestureRecognizer *)theDoubleTap {
    /*
     *do something
     */
    NSLog(@"my handleDoubleTap");
}

4 地图截图并保存

//截图
-(void)snapshot
    _imgView.image = [_mapView takeSnapshot];
    [self saveImageToPhotos:_imgView.image];
}

- (void)saveImageToPhotos:(UIImage*)savedImage
{
    UIImageWriteToSavedPhotosAlbum(savedImage,self,@selector(image:didFinishSavingWithError:contextInfo:),NULL);
}

// 指定回调方法
- (void)image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo {
    NSString *msg = nil ;
    if(error != nil && image != nil) {
        msg = @"保存图片失败" ;
    } else {
        msg = @"保存图片成功" ;
    }
    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"保存图片结果提示"
                                                    message:msg
                                                   delegate:self
                                          cancelButtonTitle:@"确定"
                                          otherButtonTitles:nil];
    [alert show];
}