How do I create custom UIControl subclasses in Swift?

Creating custom UIControl subclasses in Swift allows developers to build unique and reusable user interface components tailored to specific needs. This guide will walk you through the process of creating a simple custom button control that changes color when tapped.

Example of a Custom UIControl Subclass

import UIKit class ColorChangingButton: UIControl { private var buttonColor: UIColor = .blue { didSet { self.backgroundColor = buttonColor } } override init(frame: CGRect) { super.init(frame: frame) setupButton() } required init?(coder aDecoder: NSCoder) { super.init(coder: aDecoder) setupButton() } private func setupButton() { self.backgroundColor = buttonColor self.addTarget(self, action: #selector(buttonTapped), for: .touchUpInside) } @objc private func buttonTapped() { buttonColor = buttonColor == .blue ? .red : .blue sendActions(for: .valueChanged) } }

keywords: Custom UIControl Swift UIControl subclasses iOS Development Swift Programming