diff --git a/include/ui/Input.h b/include/ui/Input.h
index f069888..d9b1091 100644
--- a/include/ui/Input.h
+++ b/include/ui/Input.h
@@ -152,6 +152,7 @@
     
 protected:
     void initialize(int32_t deviceId, int32_t source);
+    void initialize(const InputEvent& from);
 
 private:
     int32_t mDeviceId;
@@ -202,6 +203,7 @@
             int32_t repeatCount,
             nsecs_t downTime,
             nsecs_t eventTime);
+    void initialize(const KeyEvent& from);
 
 private:
     int32_t mAction;