In my previous post I demonstrated how to use AutoLayout and make UIImageView resize to full screen when in landscape mode. While happy with the outcome - the solution was not exactly what I wanted in the 1.2 version of Gun Vault. I wanted to allow to user to view all images from the item details screen using a scrollable carousel-style UICollectionView. I still wanted to have the carousel resize to full screen when in landscape mode as well prepare for future iPad oriented optimizations. It turned out that making a UICollectionView behave the same way as a UIImageView is much more difficult so I hope this article saves you time if you are trying to accomplish something similar so let’s get going.

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As part of version 1.2 of Gun Vault I decided to include the functionality of having the primary image of a gun included on top of the Gun Details screen. I wanted the image to take 1/3 of the screen when the device is in portrait mode …

and full screen when in landscape mode.

I thought this would be a simple task until I ended up spending over 2 hrs trying to fine-tune it so I figured I’d write about it.

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