UIBarButtonItem is disabled, but has normal color

Question

I\'m having an issue with a UIBarButtonItem. I use the appearance proxy to set its color for states Normal and Disabled and I do this in t

Answer 1

This updates the answer for Swift 4.0:

barButtonItem.setTitleTextAttributes([NSAttributedStringKey.foregroundColor: UIColor.gray], for: UIControlState.disabled)

This shows an illustrative example of an orange color for disabled against a white barTintColor:

barTintColor = .white    
cancelButton.isEnabled = false
cancelButton.setTitleTextAttributes(
    [NSAttributedStringKey.foregroundColor: UIColor.orange], 
    for: UIControlState.disabled)