title: Android Action Bar (Sherlock Action Bar) - Position the drop-down spinner all the way to the right
body: <p>Is there any way to change the position of the drop-down spinner in the action bar?</p>
  
  <p>I've found this style for the spinner-drop down:</p>
  
  <pre><code>    &lt;style name="Sherlock.__Widget.Holo.Spinner" parent="Widget"&gt;
      &lt;item name="android:dropDownSelector"&gt;@drawable/abs__list_selector_holo_dark&lt;/item&gt;
      &lt;item name="android:popupBackground"&gt;@drawable/abs__menu_dropdown_panel_holo_dark&lt;/item&gt;
      &lt;item name="android:dropDownVerticalOffset"&gt;0dip&lt;/item&gt;
      &lt;item name="android:dropDownHorizontalOffset"&gt;0dip&lt;/item&gt;
      &lt;item name="android:dropDownWidth"&gt;wrap_content&lt;/item&gt;
      &lt;item name="android:gravity"&gt;left|center_vertical&lt;/item&gt;
      &lt;item name="android:spinnerMode"&gt;dropdown&lt;/item&gt;
      &lt;item name="android:clickable"&gt;true&lt;/item&gt;
  &lt;/style&gt;
  </code></pre>
  
  <p>...but how do I make this spinner go all the way to the right of the action bar?  Right now it looks like this....</p>
  
  <p><img src="https://i.stack.imgur.com/QXHEG.png" alt="Example Activity"></p>
  
  <p>I'd like for the spinner to sit flush against the right side of the action bar.</p>