Adding an accessory view button to the MKMapView call out annotation?

Question

I\'ve recently come across this website and I\'ve been trying to add to my call out view a button (from a image).

The code on the websites example works just fine, but w

Answer 1

Sorry to answer my own question but this was solved by setting the delegate of the MKMapView to the ViewController. Phew, took me a while to figure that out and it's so simple!!