Circular Image Becoming a Diamond Not Circle - Swift 3

Question

I have been trying to create a circular image but for some reason it has been outputting as a diamond. This is my code:

override func viewDidLoad() {
    display         


        

Answer 1

Your problem it is probably caused by some constraints you have added to your imageView. Try adding only 4 constraints, 1 for fixed width, 1 for fixed height, 1 for leading space and 1 for top space as you can see at the screenshot below:

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