private void OnPinPropertyChanged(object sender, PropertyChangedEventArgs args)
{
Pin pin = sender as Pin;
SKPin skiaPin = pin as SKPin;
MKPointAnnotation annotation = FindAnnotationForPin(pin) as MKPointAnnotation;
if (skiaPin != null)
{
if (args.PropertyName == SKPin.WidthProperty.PropertyName ||
args.PropertyName == SKPin.HeightProperty.PropertyName)
{
UpdateAnnotationIcon(skiaPin);
}
else if (args.PropertyName == SKPin.AnchorXProperty.PropertyName ||
args.PropertyName == SKPin.AnchorYProperty.PropertyName)
{
MKAnnotationView view = _NativeControl.ViewForAnnotation(annotation);
SKPinAnnotationView skPinView = view as SKPinAnnotationView;
skPinView?.UpdateAnchor();
}
else if (args.PropertyName == SKPin.IsVisibleProperty.PropertyName)
{
MKAnnotationView view = _NativeControl.ViewForAnnotation(annotation);
if (view != null)
{
view.Hidden = !skiaPin.IsVisible;
}
}
else if (args.PropertyName == SKPin.ClickableProperty.PropertyName)
{
MKAnnotationView view = _NativeControl.ViewForAnnotation(annotation);
if (view != null)
{
view.Enabled = !skiaPin.Clickable;
}
}
}
if (pin != null && annotation != null)
{
if (args.PropertyName == Pin.LabelProperty.PropertyName)
{
annotation.Title = pin.Label;
}
else if (args.PropertyName == Pin.AddressProperty.PropertyName)
{
annotation.Subtitle = pin.Address;
}
else if (args.PropertyName == Pin.PositionProperty.PropertyName)
{
annotation.Coordinate = pin.Position.ToLocationCoordinate();
}
}
}
private void UpdateAnnotationIcon(SKPin pin)
{
IMKAnnotation annotation = FindAnnotationForPin(pin);
MKAnnotationView view = _NativeControl.ViewForAnnotation(annotation);
SKPinAnnotationView skPinView = view as SKPinAnnotationView;
skPinView?.UpdateImage();
skPinView?.UpdateAnchor();
}
private MKAnnotationView GetViewForPin(MKMapView mapView, IMKAnnotation annotation)
{
SKPinAnnotation skiaAnnotation = annotation as SKPinAnnotation;
if (skiaAnnotation != null)
{
SKPin pin = skiaAnnotation.SharedPin;
SKPinAnnotationView pinView = mapView.DequeueReusableAnnotation(SKPinAnnotationView.ViewIdentifier) as SKPinAnnotationView
?? CreateAnnotationView(skiaAnnotation);
pinView.Annotation = skiaAnnotation;
pinView.UpdateImage();
pinView.UpdateAnchor();
pinView.Hidden = !pin.IsVisible;
pinView.Enabled = !pin.Clickable;
return(pinView);
}
return(null);
}
