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When using a UISplitViewController in portrait , I have a settings popover that I display. If I rotate the device to landscape while the popover is displayed, the app crashes.
This is because the IPad can only display one popover at a time, and the UISplitViewController shows a popup on rotate — and that happens BEFORE either view gets a deviceWillRotate message.
It there another message I can capture so I can dismiss my popup before the UISplitViewController shows it’s popup?
What I needed was the UISplitViewControllerDelegate methods. There is a method that gets called right before the popover is created. That was the hook I needed.