... geographical data associated with them. It is only available on iPhone OS 3.0 and greater.Figure 5.1. Finished WhereamiObject Diagrams iPhone applications can get very large and use many classes ... at that location. In effect, the user will label locations that have been visited for future reference.An MKMapView knows how to use Core Location to place the user s location on itself; you ... dealing with this type of object. If you set the showsUserLocation property of an MKMapView to YES, it will show the location of the user on the map. At the end of application:didFinishLaunchingWithOptions:,...