iOS 5 (iPad and Simulator), targeting iOS 5, Xcode 4.2.1.

I find that rotating an iPad while a full-screen MPMoviePlayerController is 
playing disrupts the layout of the UISplitView behind it.

I'm glad to add code to this thread, but I thought I'd see if a narrative 
triggered any thoughts right away.

The app is arranged in a split view. The user taps a button in the detail 
view's toolbar. The action method constructs a URL for a .mov in the 
application bundle, and points a new MPMoviePlayerController at it. The movie 
controller's view is made a subview of the detail view (I've also tried making 
it a subview of the split view). I attach a notification-observer for all 
player events to tear the movie controller down upon exit-full-screen or 
playback-finished.

The .controlStyle doesn't seem to matter.

I send -setFullscreen: YES animated: NO to the player, and then -play.

The player plays the movie as expected. The problem comes when I rotate the 
device repeatedly. The movie continues to play, but when it stops, the split 
view has been resized (not stretched, not shifted) so its top edge is under the 
status bar. Rotating the device corrects the layout.

Further, the bar button that split-view detail views must put up in portrait 
orientation is shifted right (apparently proportionally to the number of 
rotations). Opening the master-view popover in landscape orientation blacks-out 
the master view. This cannot be corrected without killing and restarting the 
app.

During rotation, my detail view receives 
splitViewController:willHideViewController:… as expected. It never receives 
splitViewController:willShowViewController:….

This smells like an OS bug to me, but if anyone knows a workaround (or a 
correction), I'd really like to hear it.


Cross-references:
rdar://10796962

https://devforums.apple.com/message/611704#611704
(me)

https://devforums.apple.com/message/587887#587887
(Has the same view-rescaling problems. 12/2/2011)

        — F


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