Setting alpha on UIView sets the alpha on its subviews which should not happen

Question

According to the documentation for UIVIew @property(nonatomic) CGFloat alpha

The value of this property is a floating-point number in the

Answer 1

For now there is only one way make the Parent View transparent and don't put any child views inside (don't put any views as subview) the parent view, put that child views outside of the parent view. To make parent view transparent you can do this via storyboard.

//Transparent the parentView

parentView.backgroundColor = UIColor(red: 0, green: 0, blue: 0, alpha: 0.8)

Put the other view outside of the parent view. It will work like a charm.