CGContextRef context = UIGraphicsGetCurrentContext(); [UIView beginAnimations:nil context:context]; [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut]; [UIView setAnimationDuration:1.0]; // Apply the animation to the backdrop [UIView setAnimationTransition: UIViewAnimationTransitionCurlUp forView:myView cache:YES]; // Exchange the two foreground views [myView exchangeSubviewAtIndex:0 withSubviewAtIndex:1]; [UIView commitAnimations];
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