iphone autorotation animation

Is it possible to turn off the 开发者_JS百科animation for the autorotation? I want it to rotate, but I just dont want the animation to occur (like an instant switch).

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If you really need to, just use setAnimationsEnabled of UIView:

- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration
{
    [UIView setAnimationsEnabled:NO]; // disable animations temporarily
}

- (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation
{
    [UIView setAnimationsEnabled:YES]; // rotation finished, re-enable them
}

It does the trick for me. Of course it's not recommended to do this unless you have a very good reason to do it.

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Just add the following code to overwrite the standard rotation animation:

- (void)viewDidLoad
{
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didRotate:)   name:UIDeviceOrientationDidChangeNotification object:nil];
}

- (void)didRotate:(NSNotification *)notification {
    orientation = [[UIDevice currentDevice] orientation];
    if(orientation == UIDeviceOrientationUnknown || orientation == UIDeviceOrientationFaceDown || orientation == UIDeviceOrientationFaceUp){
        orientation = UIDeviceOrientationPortrait;
    }
    [[UIApplication sharedApplication] setStatusBarOrientation:orientation animated:NO];
    [self positionScreenElements];
}

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@Nils Munch unfortunately this does not work properly, the setStatusBarOrientation expects UIInterfaceOrientation not UIDeviceOrientation and casting is bad practice. Correct me if I am wrong