How to give bottom shadow to UIView in Swift 3?

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This I want

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My Code

let shadowPath = UIBezierPath(rect: shadowView.bounds).cgPath
shadowView.layer.shadowColor = UIColor.grey.cgColor
shadowView.layer.shadowOffset = CGSize(width: 0, height: 1)
shadowView.layer.shadowOpacity = 0.5
shadowView.layer.masksToBounds = false
shadowView.layer.shadowPath = shadowPath
shadowView.layer.shadowRadius = 5

I want to implement exactly same shadow in my UIVIew. When I run my app with above code it spread over 4 sides. Notice : the shadow thin at both edges and bold at centre.

3 Answers

Try creating custom path:

let shadowPath = UIBezierPath()
shadowPath.move(to: CGPoint(x: someView.bounds.origin.x, y: someView.frame.size.height))
shadowPath.addLine(to: CGPoint(x: someView.bounds.width / 2, y: someView.bounds.height + 7.0))
shadowPath.addLine(to: CGPoint(x: someView.bounds.width, y: someView.bounds.height))
shadowPath.close()

shadowView.layer.shadowColor = UIColor.darkGray.cgColor
shadowView.layer.shadowOpacity = 1
shadowView.layer.masksToBounds = false
shadowView.layer.shadowPath = shadowPath.cgPath
shadowView.layer.shadowRadius = 5

This gives similiar results, try to customize points positions and other values to match your needs.

Try This out

IBOutlet

@IBOutlet weak var vwShadow: UIView!

In ViewdidLoad

vwShadow.layer.shadowColor = UIColor.gray.cgColor
vwShadow.layer.masksToBounds = false
vwShadow.layer.shadowOffset = CGSize(width: 0.0 , height: 5.0)
vwShadow.layer.shadowOpacity = 1.0
vwShadow.layer.shadowRadius = 1.0
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