change UIAlertcontroller background Color

Question

Ok so I have this alert that I am using and I want the background of it to be black not grey like it is. I have managed to change the colour of the text for the title and the me

Answer 1

let subview = (alert.view.subviews.first?.subviews.first?.subviews.first!)! as UIView subview.layer.cornerRadius = 1 subview.backgroundColor = UIColor.white