Disabled UIButton not faded or grey

Question

In my iPhone app, I have a UIButton which I have created in Interface Builder. I can successfully enable and disable it like this in my code ...

sendButton.e         


        

Answer 1

This question has a lot of answers but all they looks not very useful in case if you really want to use backgroundColor to style your buttons. UIButton has nice option to set different images for different control states but there is not same feature for background colors. So one of solutions is to add extension which will generate images from color and apply them to button.

extension UIButton {
  private func image(withColor color: UIColor) -> UIImage? {
    let rect = CGRect(x: 0.0, y: 0.0, width: 1.0, height: 1.0)
    UIGraphicsBeginImageContext(rect.size)
    let context = UIGraphicsGetCurrentContext()

    context?.setFillColor(color.cgColor)
    context?.fill(rect)

    let image = UIGraphicsGetImageFromCurrentImageContext()
    UIGraphicsEndImageContext()

    return image
  }

  func setBackgroundColor(_ color: UIColor, for state: UIControlState) {
    self.setBackgroundImage(image(withColor: color), for: state)
  }
}

Only one issue with this solution -- this change won't be applied to buttons created in storyboard. As for me it's not an issue because I prefer to style UI from code. If you want to use storyboards then some additional magic with @IBInspectable needed.

Second option is subclassing but I prefer to avoid this.