Can UIView be copied?

Question

Simply using this way:

UIView* view2 = [view1 copy]; // view1 existed

This will cause simulator can not launch this app.

Try retai

Answer 1

You can make an UIView extension. In example swift snippet below, function copyView returns an AnyObject so you could copy any subclass of an UIView, ie UIImageView. If you want to copy only UIViews you can change the return type to UIView.

//MARK: - UIView Extensions

    extension UIView
    {
       func copyView() -> T {
            return NSKeyedUnarchiver.unarchiveObject(with: NSKeyedArchiver.archivedData(withRootObject: self)) as! T
       }
    }

Example usage:

let sourceView = UIView()
let copiedView = sourceView.copyView()