Change UIButton border color on highlight

Question

I\'ve got a simple custom UIButton, to which I added:

button.layer.bordercolor = [[UIColor blueColor]CGColor];

However, I want to change the .b

Answer 1

Swift 4 :

override var isHighlighted: Bool {
    didSet {
        layer.borderColor = isHighlighted ? UIColor.lightGray.cgColor : UIColor.black.cgColor
    }
}