UIView CAGradient with rounded corners?

Question

I have an UIView with rounded corners and drop shadow, implemented and working. But the UIView has a boring background color, white. So I want to put a gradient layer as the background. Below the labels, buttons and most important, make it so the rounded corners still appears.

CAGradientLayer *gradient = [CAGradientLayer layer];
gradient.frame = subHudView.bounds;
gradient.colors = [NSArray arrayWithObjects:(id)[[UIColor blackColor] CGColor], (id)[[UIColor whiteColor] CGColor], nil];
[subHudView.layer addSublayer:gradient];
subHudView.layer.cornerRadius = 8;
subHudView.layer.masksToBounds = NO;
subHudView.layer.shadowOffset = CGSizeMake(-5, 5);
subHudView.layer.shadowRadius = 8;
subHudView.layer.shadowOpacity = 0.75;

This is my code as I tried to implement it, but the gradient layer is on top of everything in the view know. How can I make the gradient go under all the controls and labels? Every responding help will be appreciated.

Answer 1

in Swift:

let gradientLayer = CAGradientLayer()
gradientLayer.cornerRadius = 20.0