tintColorDidChange
tintColorDidChange is a method in the UIKit framework for iOS and other Apple operating systems. It is called on a UIResponder object, such as a UIView or its subclasses, whenever the tint color of the object or one of its ancestors changes. This method is primarily used to allow custom views to adapt their appearance based on the current tint color.
When the tint color is set on a view, or when it's inherited from a parent view,
The tint color is a system-wide property that provides a default accent color for various UI elements.