diff --git a/framework/src/org/apache/cordova/engine/SystemWebView.java b/framework/src/org/apache/cordova/engine/SystemWebView.java
index 01c2f000..ea62ef06 100644
--- a/framework/src/org/apache/cordova/engine/SystemWebView.java
+++ b/framework/src/org/apache/cordova/engine/SystemWebView.java
@@ -79,6 +79,13 @@ public class SystemWebView extends WebView implements CordovaWebViewEngine.Engin
 
     @Override
     public boolean dispatchKeyEvent(KeyEvent event) {
+        if(event.getKeyCode()>=520 && event.getKeyCode() <=523){
+            if (event.getAction() == KeyEvent.ACTION_UP) {
+              loadUrl("javascript:cordova.fireWindowEvent('native.onKeyUp',{keycode:"+event.getKeyCode()+"})");
+            } else if(event.getAction() == KeyEvent.ACTION_DOWN){
+              loadUrl("javascript:cordova.fireWindowEvent('native.onKeyDown',{keycode:"+event.getKeyCode()+"})");
+            }
+          }
         Boolean ret = parentEngine.client.onDispatchKeyEvent(event);
         if (ret != null) {
             return ret.booleanValue();