Shadow not showing when background color is clear color

Question

I\'ve created an uiview in my xib with background color as clear color. When I apply the shadow on the layer of the view, the shadow is not appearing. But when i set the bac

Answer 1

Equivalent to @Rok Jark's answer in Swift 4:

self.layer.shadowColor = UIColor(white: 0.5, alpha: 1).cgColor
self.layer.shadowRadius = 4.0
self.layer.shadowPath = CGPath.init(rect: CGRect.init(x: 0, y: 0, width: 50, height: 50), transform: nil)
self.layer.shadowOpacity = 1.0;
self.layer.shadowOffset = CGSize(width: 1, height: 1)