Change UITextField background when editing begins

Question

I\'d like to change the background image of a UITextField when it becomes the firstResponder to show the user that it has focus, similar to the :active or :focus pseudo-clas

Answer 1

SWIFT 4

textField.addTarget(self, action: #selector(anyFunction), for: UIControlEvents.editingDidBegin)


@objc func anyFunction() {
    // Add your conde here
}