UIImageView缩放以填充

Question

I have a UIImageView with a UIImage I set directly in the Storyboard/IB. I've also selected the Scale to Fill Mode

And this is what it looks like in IB/Storyboard:

However when I run the app it looks like this:

Any ideas on how I could fix this? I've tried changing mode in the storyboard/IB to say for example the center mode, this however just gives me a part of the image taken from the center of it.

Answer 1

Seems that I didn't connect constraints to all points. Doing so and making sure all constraint lines were blue solved it.