How to merge groups of UIAnnotationView?

Question

I need to merge groups of MKAnnotationView (MQAnnotationView) like it is in Places of Photos app. How to do it? Is there any free solutions?

Answer 1

There are approaches for this on MapKit, or you could use the MapBox iOS SDK, which does this natively. More at http://www.mapbox.com/mapbox-ios-sdk/examples/marker-clustering/