diff --git a/tools/droiddoc/templates-ndk/navtree_data.cs b/tools/droiddoc/templates-ndk/navtree_data.cs
new file mode 100644
index 0000000..73aa199
--- /dev/null
+++ b/tools/droiddoc/templates-ndk/navtree_data.cs
@@ -0,0 +1,3 @@
+var NAVTREE_DATA =
+<?cs var:reference_tree ?>
+;