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
}
}
