How to not stretch an image in UIButton

Question

I\'m trying to create a custom UITableViewCell programmatically and one of the subviews of this cell is going to be a button with an image in it (a simple image of a magnify

Answer 1

Swift 4.X and 5.X

button.imageView!.contentMode = .scaleAspectFit
button.contentVerticalAlignment = .fill
button.contentHorizontalAlignment = .fill