MKMapView可以像照片应用程序一样隐藏navigationBar，而不会丢失MKMapView的功能

I would like to hide and show the navigation bar on tap like the one in the photos app BUT without losing the functionality of the MKMapView. the user should still be able to double tap for zoom, pinch and zoom and be able to select annotations.I would like to hide and show the navigation ba