Updating MKannotation image without flashing

Question

I want to update the images of some of my annotations on a mapview every 5 seconds, however I dont\' want to remove and re-add them to the map as this causes them to \'flash\' o

Answer 1

Swift version of Anna answer:

annotation.customImage = ... //the new image
let av = self.mapView.viewForAnnotation(dnwl!)
av?.image = annotation.customImage