UIModalTransitionStyleFlipHorizontal flips Vertically in Landscape

Question

When in landscape, transitioning from one view (that's part of a Navigation Controller stack) to another as a modal view, with UIModalTransitionStyleFlipHorizontal set as the modalTransitionStyle, the view flips vertically in landscape mode.

Everything else about the look of the views is fine after the animation, though I did notice that the frame size of the views isn't changing which is causing issues in other places of my code as well. I figured if I fix whatever is making this particular flip vertical instead of horizontal, it will fix the other issue.

I assume it has something to do with the window itself not changing orientation, but I'm not sure that's it.

Anyone have any ideas?

Answer 1

Talked to an Apple Engineer at WWDC and figured out the UIModalTransitionStyleFlipHorizontal does not work in landscape, it will flip what looks like in vertical.

The other issue I mentioned was because I wasn't adapting a frame to the view correctly.