public static function validateAPPKey()
 {
     $appKey = isset($_SERVER['HTTP_APP_KEY']) ? $_SERVER['HTTP_APP_KEY'] : "";
     if (!(isset($appKey) && !is_null($appKey) && strlen($appKey) > 0)) {
         $appKey = Yii::app()->request->getParam("app_key");
         //        return false;
     }
     if (!IjoyPlusServiceUtils::validate($appKey)) {
         return false;
     }
     $client = isset($_SERVER['HTTP_CLIENT']) ? $_SERVER['HTTP_CLIENT'] : "";
     $version_code = isset($_SERVER['HTTP_VERSIONCODE']) ? $_SERVER['HTTP_VERSIONCODE'] : "";
     if (strpos($client, "android") !== false && (!isset($version_code) || isset($version_code) && !is_null($version_code) && $version_code <= 12)) {
         return false;
     }
     return true;
 }