title: Fragment's onSaveInstanceState() is never called
body: <p>I'm trying to save data in a Fragment's onSaveInstanceState(), but the method is never called.</p>
  
  <p>Can someone help?</p>
  
  <pre><code>public class MyFragment extends Fragment {
  
      @Override
      public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
          ScrollView content = (ScrollView) inflater.inflate(R.layout.content, container, false);
          // More stuff
          return content;
      }
  
      @Override
      public void onSaveInstanceState(Bundle icicle) {
          // NEVER CALLED
          super.onSaveInstanceState(icicle);
          //More stuff
      }
  
  }
  </code></pre>