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Editorial Team
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Asked: 2026-05-24T12:30:13+00:00

I’m developing an iPhone application. Is there any default state/accessor in UIViewController that tells

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I’m developing an iPhone application. Is there any default state/accessor in UIViewController that tells if orientation is in progress?

Currently I have done the following:

A BOOL member in subclass of UIViewController say isOrientationChangeInProgress

- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration
{
isOrientationChangeInProgress = YES;
}

- (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation
{
isOrientationChangeInProgress = NO;
}

Is there any better way?

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1 Answer

  1. Editorial Team

    Apple advises starting any animations in willRotateToInterfaceOrientation:duration:, so he rotation happens soon after that method is called. The duration property tells you how long it takes didRotateFromInterfaceOrientation: is called once the rotation is finished, or about duration seconds later.

    So, I suppose your BOOL is the best thing to to do in hindsight. I don’t understand why you need to know this though; maybe your desired outcome can be achieved a different way. What are you trying to do?

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