title: changing superview frame should not effect its subviews frame
body: <p>there</p>
  
  <p>I have a <code>viewController</code> ,the hierarchy is something like this</p>
  
  <p><code>UIView-&gt;imageview-&gt;uiview-&gt;uiimageView-&gt;uitableview.</code> </p>
  
  <p>Now i want to change height of only first two object of my hierarchy i.e <code>UIView</code> and <code>UIImageView</code> without effecting frames of other <code>subviews</code>.Please help me.</p>