0
我正在創建一種方向/ GPS應用程序，至此一切都變得簡單。MKPolyLine沒有出現在Swift 2.0的iOS應用程序中
- 我已經想通了如何尋找用戶的位置（他們當然許可）
- 我已經成功地讓他們在一個快速簡便的方法設置目的地
然而，我遇到了一個小問題。我想要的是用戶在屏幕上選擇他們的目的地，應用程序會給他們最快的方式到達那裏。
這裏是我的ViewController：
class ViewController: UIViewController,MKMapViewDelegate,CLLocationManagerDelegate {
@IBOutlet var mapOfMaps: MKMapView!
let locationManager = CLLocationManager()
var center:CLLocationCoordinate2D!
var SourcePM:MKPlacemark!
let sourcePlacemark: MKPlacemark! = nil
override func viewDidLoad() {
super.viewDidLoad()
self.locationManager.delegate = self
self.locationManager.desiredAccuracy = kCLLocationAccuracyBest
self.locationManager.requestWhenInUseAuthorization()
self.locationManager.startUpdatingLocation()
self.mapOfMaps.showsUserLocation = true
let sourceAnnotation = MKPointAnnotation()
if let location = locationManager.location {
sourceAnnotation.coordinate = location.coordinate
}
let longPress = UILongPressGestureRecognizer(target: self, action: #selector(CardioViewController.action(_:)))
longPress.minimumPressDuration = 1.0
mapOfMaps.addGestureRecognizer(longPress)
//directionRequest
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func locationManager(manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
let location = locations.last
center = CLLocationCoordinate2D(latitude: location!.coordinate.latitude, longitude: location!.coordinate.longitude)
let region = MKCoordinateRegion(center: center, span: MKCoordinateSpan(latitudeDelta: 0.003, longitudeDelta: 0.003))
self.mapOfMaps.setRegion(region, animated: true)
self.locationManager.stopUpdatingLocation()
SourcePM = MKPlacemark(coordinate: center, addressDictionary: nil)
}
func locationManager(manager: CLLocationManager, didFailWithError error: NSError) {
print("ERROr " + error.localizedDescription)
}
func action(gestureRecognizer:UIGestureRecognizer) {
let touchPoint = gestureRecognizer.locationInView(self.mapOfMaps)
let newCoord:CLLocationCoordinate2D = mapOfMaps.convertPoint(touchPoint, toCoordinateFromView: self.mapOfMaps)
let newAnotation = MKPointAnnotation()
newAnotation.coordinate = newCoord
newAnotation.title = "Your Destination"
mapOfMaps.addAnnotation(newAnotation)
let anotPM = MKPlacemark(coordinate: newAnotation.coordinate, addressDictionary: nil)
let source = MKMapItem(placemark: SourcePM)
let dstn = MKMapItem(placemark: anotPM)
let directionRequest = MKDirectionsRequest()
directionRequest.source = source
directionRequest.destination = dstn
directionRequest.transportType = .Automobile
// Calculate the direction
let directions = MKDirections(request: directionRequest)
// 8.
directions.calculateDirectionsWithCompletionHandler() {
(response, error) in
if(error == nil && response != nil) {
for route in response!.routes {
var r: MKRoute = route as! MKRoute
self.mapOfMaps.addOverlay(r.polyline, level: MKOverlayLevel.AboveRoads)
}
}
let route = response!.routes[0]
self.mapOfMaps.addOverlay((route.polyline), level: MKOverlayLevel.AboveLabels)
let rect = route.polyline.boundingMapRect
self.mapOfMaps.setRegion(MKCoordinateRegionForMapRect(rect), animated: true)
}
}
func mapView(mapView: MKMapView, rendererForOverlay overlay: MKOverlay) -> MKOverlayRenderer {
let renderer = MKPolylineRenderer(overlay: overlay)
renderer.strokeColor = UIColor.orangeColor()
renderer.alpha = 1
renderer.lineWidth = 4.0
return renderer
}
}
，以幫助您完成我的代碼。我的用戶將在地圖上按住目的地，應用程序將添加註釋，並且應爲指定路線。然而，所發生的只是將註釋添加到地圖中，並且地圖將調整以顯示兩個位置（用戶的位置和註釋位置），但不顯示路線。