diff --git a/tools/droiddoc/templates-sdk/customizations.cs b/tools/droiddoc/templates-sdk/customizations.cs
index 1285016..41559be 100644
--- a/tools/droiddoc/templates-sdk/customizations.cs
+++ b/tools/droiddoc/templates-sdk/customizations.cs
@@ -35,6 +35,10 @@
         });
     </script>
 <?cs /def ?>
+<?cs
+def:design_nav() ?>
+  <?cs include:"../../../../frameworks/base/docs/html/design/design_toc.cs" ?>
+<?cs /def ?>
 
 <?cs # The default side navigation for the reference docs ?><?cs 
 def:default_left_nav() ?>