title: Prevent CollapsingToolbarLayout collapse if not needed
body: <p>Using:</p>
  
  <pre><code>compile 'com.android.support:design:23.0.0'
  compile 'com.android.support:appcompat-v7:23.0.0'
  compile 'com.android.support:cardview-v7:23.0.0'
  compile 'com.android.support:recyclerview-v7:23.0.0'
  </code></pre>
  
  <p>With the project <a href="https://github.com/chrisbanes/cheesesquare" rel="noreferrer">Cheesesquare</a> updated.</p>
  
  <p>Into the detail of cheese, I remove 2 cards (to have only one). Is there a way to prevent the collapsing of the toolbar that show a blank space?</p>
  
  <p><a href="https://i.stack.imgur.com/lg0vi.gif" rel="noreferrer"><img src="https://i.stack.imgur.com/lg0vi.gif" alt="enter image description here"></a></p>