diff --git a/go/quickstep/src/com/android/quickstep/TouchInteractionService.java b/go/quickstep/src/com/android/quickstep/TouchInteractionService.java
index 734425e..39f8448 100644
--- a/go/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ b/go/quickstep/src/com/android/quickstep/TouchInteractionService.java
@@ -88,6 +88,10 @@
                 boolean gestureSwipeLeft) {
         }
 
+        public void onSystemUiStateChanged(int stateFlags) {
+            // To be implemented
+        }
+
         /** Deprecated methods **/
         public void onQuickStep(MotionEvent motionEvent) { }
 
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
index 3ea8de0..e591177 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
@@ -159,6 +159,10 @@
                     isButton, gestureSwipeLeft, activityControl.getContainerType());
         }
 
+        public void onSystemUiStateChanged(int stateFlags) {
+            // To be implemented
+        }
+
         /** Deprecated methods **/
         public void onQuickStep(MotionEvent motionEvent) { }