diff --git a/java/res/values/attrs.xml b/java/res/values/attrs.xml
index 4c3ea83..e503d98 100644
--- a/java/res/values/attrs.xml
+++ b/java/res/values/attrs.xml
@@ -150,6 +150,8 @@
         <attr name="popupKeyboardTemplate" format="reference" />
         <!-- Locale of the keyboard layout -->
         <attr name="keyboardLocale" format="string" />
+        <!-- True if the keyboard is Right-To-Left -->
+        <attr name="isRtlKeyboard" format="boolean" />
         <!-- Icon set for key top and key preview. -->
         <attr name="iconShiftKey" format="reference" />
         <attr name="iconToSymbolKey" format="reference" />