@Override
 protected String doInBackground(String... params) {
   if (NetworkService.hasInternetConnection(getApplicationContext())) {
     String userResponse =
         WebServiceWrapper.CheckUser(editUserEmailAddress.getText().toString().trim());
     if (userResponse != null) {
       msg = JSONHelper.getMessageResult("CheckUserResult", "Message", userResponse);
       if (JSONHelper.getJsonObjectResult("CheckUserResult", "IsSuccessfull", userResponse)) {
         return "FAILED"; // user already exist
       } else {
         return "SUCCESS";
       }
     } else {
       return ApplicationSettings.translationSettings.GetTranslation(
           "and_msg_noInternetAccess", "No internet access");
     }
   } else {
     return ApplicationSettings.translationSettings.GetTranslation(
         "and_msg_noInternetAccess", "No internet access");
   }
 }