diff --git a/core/java/com/android/internal/os/DeviceKeyHandler.java b/core/java/com/android/internal/os/DeviceKeyHandler.java
index a960e7bd15c5..a0ce168f632f 100644
--- a/core/java/com/android/internal/os/DeviceKeyHandler.java
+++ b/core/java/com/android/internal/os/DeviceKeyHandler.java
@@ -15,6 +15,15 @@
 
 public interface DeviceKeyHandler {
 
+    /**
+     * Invoked when an unknown key was detected by the system, letting the device handle
+     * this special keys prior to pass the key to the active app.
+     *
+     * @param event The key event to be handled
+     * @return If the event is consume
+     */
+    public boolean handleKeyEvent(KeyEvent event);
+
     /**
      * Invoked when an unknown key was detected by the system, letting the device handle
      * this special keys prior to pass the key to the active app.