I have a view on the iPad that I am adding an MKMapView to that is say half the height of the full screen. However, when I try to pinch out on the iOS Simulator it doesn\'t wor
For Zooming in double tap using mouse.
For Zooming out press and hold on option/alt key this will give you 2 grey circles which represents your 2 fingers and drag your mouse up.
To Zoom in drag your mouse down with option key pressed(or double tap on mouse)