基于swift MKMapkit 开发的地图定位导航

//  DTOneViewController.swift

//  Mapper-JSON

//

//  Created by kcl on 16/8/8.

//  Copyright © 2016年 kcl. All rights reserved.

//

import UIKit

import MapKit

class DTOneViewController: UIViewController {

var locationManager:CLLocationManager!

var mapView:MKMapView!

override func viewDidLoad() {

super.viewDidLoad()

self.locationManager = CLLocationManager()

self.mapView = MKMapView()

self.mapView.frame = self.view.bounds

self.mapView.delegate = self

self.mapView.userTrackingMode = .Follow

self.mapView.showsUserLocation = true

self.mapView.mapType = MKMapType.Standard

self.view.addSubview(self.mapView)

self.locationManager.requestWhenInUseAuthorization()

self.locationManager.requestAlwaysAuthorization()

}

override func didReceiveMemoryWarning() {

super.didReceiveMemoryWarning()

}

func goSearch(){

let fromCoordinate = CLLocationCoordinate2D(latitude: 22.546036, longitude: 113.960423)

let tofromCoordinate = CLLocationCoordinate2D(latitude: 22.588416, longitude: 113.972166)

let fromPlaceMark = MKPlacemark(coordinate: fromCoordinate, addressDictionary: nil)

let toPlaceMark = MKPlacemark(coordinate: tofromCoordinate, addressDictionary: nil)

let fromItem = MKMapItem(placemark: fromPlaceMark)

let toItem = MKMapItem(placemark: toPlaceMark)

self.findDirectionsFrom(fromItem, destination: toItem)

}

func findDirectionsFrom(source:MKMapItem,destination:MKMapItem){

let request = MKDirectionsRequest()

request.source = source

request.destination = destination

request.transportType = MKDirectionsTransportType.Walking

request.requestsAlternateRoutes = true;

let directions = MKDirections(request: request)

//        j

directions.calculateDirectionsWithCompletionHandler { (response, error) in

if error == nil {

self.showRoute(response!)

}else{

print("trace the error \(error?.localizedDescription)")

}

}

}

func showRoute(response:MKDirectionsResponse) {

for route in response.routes {

mapView.addOverlay(route.polyline,level: MKOverlayLevel.AboveRoads)

let routeSeconds = route.expectedTravelTime

let routeDistance = route.distance

print("distance between two points is \(routeSeconds) and \(routeDistance)")

}

}

}

extension DTOneViewController:MKMapViewDelegate,CLLocationManagerDelegate {

func mapView(mapView: MKMapView, didUpdateUserLocation userLocation: MKUserLocation) {

let lat = 0.005

let lon = 0.005

let currentLocationSpan:MKCoordinateSpan = MKCoordinateSpanMake(lat, lon)

let loc:CLLocationCoordinate2D = userLocation.coordinate

let region:MKCoordinateRegion = MKCoordinateRegionMake(loc, currentLocationSpan)

self.mapView.setRegion(region, animated: true)

goSearch()

}

func locationManager(manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {

let currentlocation:CLLocation = locations.first!

print("currentlocation = \(currentlocation.coordinate.latitude) = \(currentlocation.coordinate.longitude)")

}

//    绚烂绘制polyLine

func mapView(mapView: MKMapView, rendererForOverlay overlay: MKOverlay) -> MKOverlayRenderer {

//        let render = MKPolygonRenderer(overlay: overlay)

//        render.strokeColor = UIColor.redColor()

//        render.lineWidth = 4.0

//        return render

//        if overlay is MKPolyline {

let  polylineRenderer = MKPolylineRenderer(overlay: overlay)

//      polylineRenderer.lineDashPattern = [14,10,6,10,4,10]

polylineRenderer.strokeColor = UIColor.redColor()

//      polylineRenderer.strokeColor = UIColor(red: 0.012, green: 0.012, blue: 0.012, alpha: 1.00)

polylineRenderer.fillColor = UIColor.blueColor()

polylineRenderer.lineWidth = 2.5

return polylineRenderer

//        }

//        return nil

}

}