1 files changed, 6 insertions, 0 deletions
diff --git a/core/java/android/app/WindowContext.java b/core/java/android/app/WindowContext.java
index 3a06c9d79fee..cb416c923c60 100644
--- a/core/java/android/app/WindowContext.java
+++ b/core/java/android/app/WindowContext.java
@@ -16,6 +16,7 @@
 package android.app;
 
 import static android.view.WindowManagerGlobal.ADD_OKAY;
+import static android.view.WindowManagerGlobal.ADD_TOO_MANY_TOKENS;
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
@@ -81,6 +82,11 @@ public class WindowContext extends ContextWrapper {
             mOwnsToken = false;
             throw e.rethrowFromSystemServer();
         }
+        if (result == ADD_TOO_MANY_TOKENS) {
+            throw new UnsupportedOperationException("createWindowContext failed! Too many unused "
+                    + "window contexts. Please see Context#createWindowContext documentation for "
+                    + "detail.");
+        }
         mOwnsToken = result == ADD_OKAY;
         Reference.reachabilityFence(this);
     }