iOS 位置相关

后台定位

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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

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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）

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地图定位

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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.Any request.transportType = type let calcuteDirections = MKDirections(request: request) let calculateETA = MKDirections(request:request) //计算驾车或步行时间 calcuteDirections.calculateDirectionsWithCompletionHandler { (response, error) in if (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 in if 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：https://github.com/piang/iOSLocation