diff --git a/libs/binder/IActivityManager.cpp b/libs/binder/IActivityManager.cpp
index 1eb5363..9e1249b 100644
--- a/libs/binder/IActivityManager.cpp
+++ b/libs/binder/IActivityManager.cpp
@@ -104,6 +104,18 @@
         }
         return reply.readInt32();
     }
+
+    virtual bool isUidActiveOrForeground(const uid_t uid, const String16& callingPackage)
+    {
+         Parcel data, reply;
+         data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor());
+         data.writeInt32(uid);
+         data.writeString16(callingPackage);
+         remote()->transact(IS_UID_ACTIVE_OR_FOREGROUND_TRANSACTION, data, &reply);
+         // fail on exception
+         if (reply.readExceptionCode() != 0) return false;
+         return reply.readInt32() == 1;
+    }
 };
 
 // ------------------------------------------------------------------------------------