As it says, regionDidChangeAnimated
is only called when a user has finished fingering zooming/moving.
(And indeed only after any bounce or settle finishes.)
func mapView(_ mapView: MKMapView, regionDidChangeAnimated animated: Bool) {
.. user has >finished< a finger event
.. example ..
let k = mapView.annotations(in: mapView.visibleMapRect).count
print("now on screen", k)
}
Is there a way to get continuous reports, so as to for example change something in your interface as the user zooms/moves
The mapViewDidChangeVisibleRegion(_:)
provides continuous reports as the user pans/zooms the map.
func mapViewDidChangeVisibleRegion(_ mapView: MKMapView) {
…
}