- (IBAction)rotate:(id)sender {            [UIView beginAnimations:@"View Filp" context:nil];            [UIView setAnimationDelay:0.25];            [UIView setAnimationCurve:UIViewAnimationCurveLinear];            [UIView setAnimationTransition:UIViewAnimationTransitionFlipFromLeft forView:_viewRotate cache:NO];            [UIView commitAnimations];        }