Convert NSNotification.userInfo[UIKeyboardAnimationCurveUserInfoKey] to Enum

Question

Using NSNumber from NSNotification.userInfo[UIKeyboardAnimationCurveUserInfoKey]

In Objective C I would do the following

 [UIView animateWithDuration:1.0         


        

Answer 1

let animationKey = userInfo[UIKeyboardAnimationCurveUserInfoKey] as UInt
UIViewAnimationOptions(rawValue: animationKey)