id/view/ActionMode.html#setTitleOptionalHint(boolean)">setTitleOptionalHint(boolean)</a></code></li><li><code><a href="../../../reference/android/view/ActionMode.html#isTitleOptional()">isTitleOptional()</a></code></li>
      </ul>
  </div>

    </div>
</div>


<A NAME="invalidate()"></A>

<div class="jd-details api apilevel-11"> 
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        public 
         
         
        abstract 
         
        void
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