change view frame with animation Ex....

////Example 1

 UIView *myView = self.view;

  [UIView beginAnimations:nil context:NULL];

  [UIView setAnimationDuration:0.3];

  CGRect newFrame = myView.frame;

  newFrame.size.height = newFrame.size.height -[self getBannerHeight];

  myView.frame = newFrame;

  [UIView commitAnimations];

///Example 2

            [UIView beginAnimations:nil context:NULL];

            [UIView setAnimationDuration:0.2];

            

            for (UIView *view in [self.view subviews]) { 

                

                

                if ([view class] == [UIButton class]|| [view class] == [UIImageView class]){

                    view.frame = CGRectMake(view.frame.origin.x, view.frame.origin.y - 27, view.frame.size.width, view.frame.size.height);

                }

                

            }

            [UIView commitAnimations];