diff --git a/include/gui/SurfaceComposerClient.h b/include/gui/SurfaceComposerClient.h
index 581ec8d..21d16a9 100644
--- a/include/gui/SurfaceComposerClient.h
+++ b/include/gui/SurfaceComposerClient.h
@@ -101,10 +101,13 @@
 
     //! Open a composer transaction on all active SurfaceComposerClients.
     static void openGlobalTransaction();
-        
+
     //! Close a composer transaction on all active SurfaceComposerClients.
     static void closeGlobalTransaction(bool synchronous = false);
 
+    //! Flag the currently open transaction as an animation transaction.
+    static void setAnimationTransaction();
+
     status_t    hide(SurfaceID id);
     status_t    show(SurfaceID id);
     status_t    setFlags(SurfaceID id, uint32_t flags, uint32_t mask);