How do I specify the zoom level when using an MKUserTrackingBarButtonItem?
问题 I am using a MKUserTrackingBarButtonItem button to allow the user to automatically track their location on a map. The problem is that when they tap this button, it is zoomed too far out. I want it to start at a specified zoom level (i.e. span). How can I achieve this? When the user taps the button to change to MKUserTrackingModeFollow , it seems to use the same zoom level that the user last manually changed to (i.e. using gestures on the map). Attempting to specify a different zoom level via