MKMapView Zoom and Region

Question

I\'m familiar with using Google Maps Javascript API. Recently I started using MapKit framework for an iphone project, but I\'m having a hard time to figure out zooming and s

Answer 1

Brant's category on MKMapView works well. However, it appears that it has not been updated to support newer devices with retina screens when calculating mapSizeInPixels.

It can be fixed by replacing this line:

CGSize mapSizeInPixels = mapView.bounds.size;

With this line:

CGSize mapSizeInPixels = CGSizeMake(mapView.bounds.size.width * [UIScreen mainScreen].scale, mapView.bounds.size.height * [UIScreen mainScreen].scale);