diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 8889e60..299c68f 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -576,6 +576,14 @@
         mHotseat.getQsb().setAlpha(1f - visibility);
     }
 
+    /**
+     * Called when one handed mode activated and deactivated.
+     * @param activated true if one handed mode activated, false otherwise.
+     */
+    public void onOneHandedStateChanged(boolean activated) {
+        mDragLayer.onOneHandedModeStateChanged(activated);
+    }
+
     private void initDeviceProfile(InvariantDeviceProfile idp) {
         // Load configuration-specific DeviceProfile
         mDeviceProfile = idp.getDeviceProfile(this);