Force MKMapView viewForAnnotation to update

Question

So I have a MKMapView with all my pins added, and the colour of the pin is dependent on whether a value is set for that pin. When I first load the app, viewForAnnotation

Answer 1

Swift 2.1:

I had the same issue, and found a quick solution, trigger this when needed, also sending it to the main thread would be wise:

var annotationsArray = mapView.annotations
mapView.removeAnnotations(mapView.annotations)
mapView.addAnnotations(arrayIncs)
arrayIncs.removeAll()