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我想加入MKAnnotationView,MKMapView但我不能这样做......任何人都可以帮助我吗？

这是我的代码:

override func viewDidLoad() {
    super.viewDidLoad()
    locationManager.desiredAccuracy = kCLLocationAccuracyBest
    locationManager.startUpdatingLocation()
    var latitude:CLLocationDegrees = locationManager.location.coordinate.latitude
    var longitude:CLLocationDegrees = locationManager.location.coordinate.longitude
    var homeLati: CLLocationDegrees = 40.01540192
    var homeLong: CLLocationDegrees = 20.87901079
    var latDelta:CLLocationDegrees = 0.01
    var longDelta:CLLocationDegrees = 0.01
    var theSpan:MKCoordinateSpan = MKCoordinateSpanMake(latDelta, longDelta)
    var myHome:CLLocationCoordinate2D = CLLocationCoordinate2DMake(homeLati, homeLong)
    var myLocation:CLLocationCoordinate2D = CLLocationCoordinate2DMake(latitude, longitude)
    var theRegion:MKCoordinateRegion = MKCoordinateRegionMake(myLocation, theSpan)
    self.theMapView.setRegion(theRegion, animated: true)
    self.theMapView.mapType = MKMapType.Hybrid
    self.theMapView.showsUserLocation = true
    ///Red Pin
    var myHomePin = MKPointAnnotation()
    myHomePin.coordinate = myHome
    myHomePin.title …

我有一个工作循环来为一些工作数据点的标题和副标题元素设置注释.我想在同一个循环结构中做的是将引脚颜色设置为紫色而不是默认值.我无法弄清楚我需要做些什么来点击我的theMapView来相应地设置引脚.

我的工作循环和一些尝试......

....
for var index = 0; index < MySupplierData.count; ++index {

  // Establish an Annotation
  myAnnotation = MKPointAnnotation();
  ... establish the coordinate,title, subtitle properties - this all works
  self.theMapView.addAnnotation(myAnnotation)  // this works great.

  // In thinking about PinView and how to set it up I have this...
  myPinView = MKPinAnnotationView();      
  myPinView.animatesDrop = true;
  myPinView.pinColor = MKPinAnnotationColor.Purple;  

  // Now how do I get this view to be used for this particular Annotation in theMapView that I am iterating through??? …