diff --git a/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java b/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
index 62859ecca9d49..a8fd91c3a607b 100644
--- a/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
+++ b/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
@@ -30,6 +30,7 @@ import android.os.IBinder;
 import android.os.IRemoteCallback;
 import android.os.RemoteException;
 import android.util.DisplayMetrics;
+import android.view.AppTransitionAnimationSpec;
 
 import java.lang.Override;
 
@@ -240,6 +241,12 @@ public class IWindowManagerImpl implements IWindowManager {
         // TODO Auto-generated method stub
     }
 
+    @Override
+    public void overridePendingAppTransitionMultiThumb(AppTransitionAnimationSpec[] specs,
+            IRemoteCallback callback, boolean scaleUp) {
+        // TODO Auto-generated method stub
+    }
+
     @Override
     public void pauseKeyDispatching(IBinder arg0) throws RemoteException {
         // TODO Auto-generated method stub