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I have an image that I wish to animate after a view has appeared. I'm doing the following:

- (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; CGRect folderFrame = self.folderImage.frame; folderFrame.origin.y += 250; [UIView animateWithDuration:250 animations:^{ self.folderImage.frame = folderFrame; }]; }

But I can't see any animation. What am I doing wrong?

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If this is the exact code you are using, then the problem might be that you have the animation set to take 250 seconds (about 4 minutes). Is it possible that it is animating, just very, very slowly?

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I think it is working, but moving 1 point per second, practically imperceptible. Try specifying a shorter duration for the animation.

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Aha! I thought I was working with milliseconds for some reason. Rookie error. :)
Is there any specific reason why the same code (now with a sensible duration) wouldn't animate in viewWillDisappear as well?

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