title: Can someone explain to me this `StaleDataException`
body: <p>Can someone explain to me this <code>StaleDataException</code></p>
  
  <pre><code>07-11 19:58:23.298 E/AndroidRuntime( 1044): Uncaught handler: thread main exiting due to uncaught exception
  07-11 19:58:23.368 E/AndroidRuntime( 1044): android.database.StaleDataException: Access closed cursor
  07-11 19:58:23.368 E/AndroidRuntime( 1044): at android.database.AbstractWindowedCursor.checkPosition(AbstractWindowedCursor.java:217)
  07-11 19:58:23.368 E/AndroidRuntime( 1044): at android.database.AbstractWindowedCursor.getInt(AbstractWindowedCursor.java:84)
  07-11 19:58:23.368 E/AndroidRuntime( 1044): at android.database.CursorWrapper.getInt(CursorWrapper.java:128)
  </code></pre>
  
  <p>When and how do we need to assure a requiry on the cursor, and why fails with this Exception?</p>