screen shot

func takeScreenshot(view: UIView) -> UIImageView {         UIGraphicsBeginImageContext(view.frame.size)         view.layer.render(in: UIGraphicsGetCurrentContext()!)         let image = UIGraphicsGetImageFromCurrentImageContext()         UIGraphicsEndImageContext()         UIImageWriteToSavedPhotosAlbum(image!, nil, nil, nil)         return UIImageView(image: image)     }