mapViewWillStartLoadingMap方法没有第二次调用Swift

Question

I am using Map Kit View. mapViewWillStartLoadingMap method called when I navigate MapViewController first time. Then I go back previous controller and again navigate MapViewController , mapViewWillStartLoadingMap not called. Where is my mistake ?

I am using this method go to previous controller from MapViewController

dismissViewControllerAnimated(true, completion: nil)

Answer 1

Check that your ViewController containing the map is being deInitialised.

Add this to your VC and set a breakpoint on it.

deinit {

}

If its not that, check the delegate for the map view is set correctly when your map VC is on active.