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My iPad application is landscape only and supports the Game Center framework.

After the following sequence:

  1. the authentication Game Center popup is shown,
  2. the user decides to create a profile
  3. the detailed account-creation popup managed by the GameKit framework is displayed
  4. the user cancels the operation

my app has messed up views: the views have rotated 90° degrees on the left.

Description of the messy views

At this point, rotating the app won't help, and I need to relaunch my app to get the thing fixed.

Of course, all my low-level view controllers involved (except the root navigation controller which is a basic UINavigationController) are implementing the following method:

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
    return UIInterfaceOrientationIsLandscape(interfaceOrientation);
}

Any idea why I get such a messy behavior?

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