title: Difference between onCreateView and onViewCreated in Fragment
body: <p>What's the essential difference between these two methods? When I create a TextView, should I use one over the other for performance?</p>
  
  <p>Edit:
  What's the difference from</p>
  
  <pre><code>onCreateView() {
    root = some view
    View v = new View(some context);
    root.add(v);
    return root;
  }
  
  
  onViewCreated() {
    View v = new View(some context);
    getView().add(v);
  }
  </code></pre>