Swift 3 NSNotificationCenter Keyboardwillshow/hide

Question

I have a piece of code that worked in Swift 2 and I tried using Xcode to update the code to the newest version and I fixed everything except two issues.

I have this

Answer 1

Check out the updated Swift Programming Language book. Pages 1027 and 1028 are what you're looking for. It should be something like this:

func keyboardWillHide(_ notification: NSNotification) {…

Notice the additional underscore above. Also:

#selector(LoginViewController.keyboardWillHide(_:))

You also might need to add @objc(keyboardWillHideWithNotification:) to your class.