showCallout无需点击-iOS

Question

I have several annotation pins on the map. I would like to show info on the one of the default pin by triggered showCallout I know how to implement by tapped, but I dont know without tapping on the annotation, how could it show showCallout? Thanks in advance

Answer 1

Have you tried this:

id<MKAnnotation> myPin = [mapView.annotations objectAtIndex:0];
[mapView selectAnnotation:myPin animated:YES];