How to change UIAlertController button text colour in iOS9?

Question

The question is similar to iOS 8 UIActivityViewController and UIAlertController button text color uses window's tintColor but in iOS 9.

I have a UIAlertControlle

Answer 1

I wanted to make the delete button to appear red, so I used .destructive style:

 alert.addAction(UIAlertAction(title: "Delete", style: .destructive, handler:{(UIAlertAction) in