ages-nav");
            scrollIntoView("classes-nav");
          });
        }
        //$("#swapper").css({borderBottom:"2px solid #aaa"});
      } else {
        swapNav(); // tree view should be used on mobile
      }
    </script>



<div class="g-unit" id="doc-content">

<div id="api-info-block">
<div class="api-level">
  


  
  

</div>
</div>

<div id="jd-header">
  package
  <h1>com.facebook.drawee.components</h1>
</div><!-- end header -->

<div id="naMessage"></div>

<div id="jd-content" class="ap