位置相关"/>
iOS 位置相关
后台定位
CLLocationManager // 定位管理器
关键设置项:
desiredAccuracy //准确度
distanceFilter //采集范围
回调方法:
//位置按照设置,发生变化时触发此方法
func locationManager(manager: CLLocationManager, didUpdateLocations locations: [CLLocation])
注意事项:
iOS >= 7.0时,Capabilities中配置开启后台定位功能
iOS >= 8.0时,需要主动请求权限,并且在plist文件中配置NSLocationAlwaysUsageDescription、NSLocationWhenInUseUsageDescription
CLGeocoder //位置转码器
关键方法
//根据地理位置名称获得对应的CLPlacemark类
geocodeAddressString(addressString: String, completionHandler: CLGeocodeCompletionHandler)
//根据地理坐标获得对应的CLPlacemark类
reverseGeocodeLocation(location: CLLocation, completionHandler: CLGeocodeCompletionHandler)
地图定位
MKMapView
关键设置项
showsScale //是否显示比例尺
showsCompass //是否显示指南针
showsTraffic //是否显示路况
mapType //地图模式:普通模式:Standard;卫星模式:Satellite;混合模式:Hybrid;卫星三维模式:SatelliteFlyover;混合三维模式:HybridFlyover
camera.pitch //摄像头角度
centerCoordinate //地图中心点
回调方法
//当位置发生变化时,触发此方法optional public func mapView(mapView: MKMapView, didUpdateUserLocation userLocation: MKUserLocation)
//自定义大头针
optional public func mapView(mapView: MKMapView, viewForAnnotation annotation: MKAnnotation) -> MKAnnotationView?
//点击大头针optional public func mapView(mapView: MKMapView, annotationView view: MKAnnotationView, calloutAccessoryControlTapped control: UIControl)
//规划的路线optional public func mapView(mapView: MKMapView, rendererForOverlay overlay: MKOverlay) -> MKOverlayRenderer
关键方法
粗略计算预计时间距离
//设置起始点let request = MKDirectionsRequest()let source = MKMapItem(placemark: MKPlacemark(coordinate:self.currentLocation!, addressDictionary: nil))request.source = source//设置终点let destination = MKMapItem(placemark: MKPlacemark(coordinate:coordinate, addressDictionary: nil))request.destination = destination//type值为以下一种://驾车:MKDirectionsTransportType.Automobile//步行:MKDirectionsTransportType.Walking//交通:MKDirectionsTransportType.Transit//随意:MKDirectionsTransportType.Anyrequest.transportType = typelet calcuteDirections = MKDirections(request: request)let calculateETA = MKDirections(request:request)//计算驾车或步行时间calcuteDirections.calculateDirectionsWithCompletionHandler { (response, error) inif (error == nil) {for route in response!.routes {//添加线路 self.locationMapView.addOverlay(route.polyline)}}}//计算公共交通时间calculateETA.calculateETAWithCompletionHandler { response, error inif error == nil {if let r = response {self.etaInfoAlert(r)}}}
导航
苹果地图
var launchOptions:[String : AnyObject]?if (r.transportType == MKDirectionsTransportType.Automobile) {launchOptions = [MKLaunchOptionsDirectionsModeKey:MKLaunchOptionsDirectionsModeDriving]}else if (r.transportType == MKDirectionsTransportType.Walking) {launchOptions = [MKLaunchOptionsDirectionsModeKey:MKLaunchOptionsDirectionsModeWalking]}else if (r.transportType == MKDirectionsTransportType.Transit) {launchOptions = [MKLaunchOptionsDirectionsModeKey:MKLaunchOptionsDirectionsModeTransit]}r.destination.openInMapsWithLaunchOptions(launchOptions)
百度地图
if (r.transportType == MKDirectionsTransportType.Automobile) {modelString = "driving"}else if (r.transportType == MKDirectionsTransportType.Walking) {modelString = "walking"}else if (r.transportType == MKDirectionsTransportType.Transit) {modelString = "transit"}let urlString = NSString(format: "baidumap://map/direction?origin=%f,%f&destination=%f,%f&mode=%@&src=pylocation",(self.currentLocation?.latitude)!,(self.currentLocation?.longitude)!, r.destination.placemark.coordinate.latitude, r.destination.placemark.coordinate.longitude,modelString!)UIApplication.sharedApplication().openURL(NSURL(string: urlString as String)!)
高德地图
if (r.transportType == MKDirectionsTransportType.Automobile) {model = 0}else if (r.transportType == MKDirectionsTransportType.Walking) {model = 2}else if (r.transportType == MKDirectionsTransportType.Transit) {model = 1}let urlString = NSString(format: "iosamap://path?sourceApplication=pylocation&sid=currentlocation&did=destination&dlat=%f&dlon=%f&dev=0&t=%d&m=0",r.destination.placemark.coordinate.latitude,r.destination.placemark.coordinate.longitude,model)UIApplication.sharedApplication().openURL(NSURL(string: urlString as String)!)
demo GitHub地址:
更多推荐
iOS 位置相关
发布评论