title: Can not change collection view content size dynamically?
body: <p>I am trying to change a collection view content size with :</p>
  
  <pre><code>collectionView.contentSize.height = 1.25*collectionView.contentSize.height
  </code></pre>
  
  <p>(or any variation of this line of code)</p>
  
  <p>Since we are adding views at the bottom of its content, after the last cell.</p>
  
  <p>This line of code will not work, and the bottom views are out of screen, you can scroll only to the last cell (default height)</p>
  
  <p>I have tried to read any answer here, non was specific/solve the problem.</p>
  
  <p>How can one simply change the content height of a collection ?</p>