How do I scale a UIButton's imageView?

Question

I created a UIButton instance named \"button\" with an image using [UIButton setImage:forState:]. The button.frame is larger than the image\'s size.

Now

Answer 1

I hope this can help to somebody else:

Swift 3+

button.contentHorizontalAlignment = UIControlContentHorizontalAlignment.fill
button.contentVerticalAlignment =  UIControlContentVerticalAlignment.fill