diff --git a/tools/droiddoc/templates-sdk-dev/assets/js/docs.js b/tools/droiddoc/templates-sdk-dev/assets/js/docs.js
index c634a3b..6c19b4d 100644
--- a/tools/droiddoc/templates-sdk-dev/assets/js/docs.js
+++ b/tools/droiddoc/templates-sdk-dev/assets/js/docs.js
@@ -4447,6 +4447,8 @@
       } else {
         selected = parentNavEl.removeClass('has-subnav').addClass('selected');
       }
+    } else if (body.hasClass('preview')) {
+      selected = navEl.find('> li.preview > a').addClass('selected');
     }
     return $(selected);
   };
diff --git a/tools/droiddoc/templates-sdk-dev/components/masthead.cs b/tools/droiddoc/templates-sdk-dev/components/masthead.cs
index d857ffb..b105b52 100644
--- a/tools/droiddoc/templates-sdk-dev/components/masthead.cs
+++ b/tools/droiddoc/templates-sdk-dev/components/masthead.cs
@@ -261,6 +261,9 @@
             </li>
           </ul>
         </li>
+        <li class="dac-nav-item preview">
+          <a class="dac-nav-link" href="<?cs var:toroot ?>preview/index.html">Preview</a>
+        </li>
         </ul>
       </div>
     </div>
diff --git a/tools/droiddoc/templates-sdk-dev/customizations.cs b/tools/droiddoc/templates-sdk-dev/customizations.cs
index d36e79f..15e8490 100644
--- a/tools/droiddoc/templates-sdk-dev/customizations.cs
+++ b/tools/droiddoc/templates-sdk-dev/customizations.cs
@@ -196,6 +196,8 @@
         <?cs include:"../../../../frameworks/base/docs/html/google/google_toc.cs" ?>
       <?cs elif:samples ?>
         <?cs include:"../../../../frameworks/base/docs/html/samples/samples_toc.cs" ?>
+      <?cs elif:preview ?>
+        <?cs include:"../../../../frameworks/base/docs/html/preview/preview_toc.cs" ?>
       <?cs elif:distribute ?>
         <?cs if:googleplay ?>
           <?cs include:"../../../../frameworks/base/docs/html/distribute/googleplay/googleplay_toc.cs" ?>
diff --git a/tools/droiddoc/templates-sdk-dev/docpage.cs b/tools/droiddoc/templates-sdk-dev/docpage.cs
index 7f53e6f..ab5fb40 100644
--- a/tools/droiddoc/templates-sdk-dev/docpage.cs
+++ b/tools/droiddoc/templates-sdk-dev/docpage.cs
@@ -36,6 +36,7 @@
       if:wear ?> wear<?cs /if ?><?cs
       if:tv ?> tv<?cs /if ?><?cs
       if:auto ?> auto<?cs /if ?><?cs
+    elif:(preview) ?> preview<?cs
     /if ?><?cs
     if:page.trainingcourse ?> trainingcourse<?cs /if ?><?cs
 /if ?>" itemscope itemtype="http://schema.org/Article"><?cs