public static void purchaseItem(string strID, string strName, string strPrice, int nNum)
    {
        string strGameID          = GAMEID;
        string strGameName        = GAMENAME;
        string strGroupID         = "0";
        string strGroupName       = SplashController.serverName;
        string strItemRealPrice   = strPrice;
        string strItemmarketPrice = strPrice;
        string strUID             = "";
        {
            strUID = AccountManager.Instance.GetCurEmail();
        }

        string strPurchaseInfo = string.Format("{0}:{1}:{2}:{3}:{4}:{5}:{6}:{7}:{8}:{9}",
                                               strGameID,
                                               strGameName,
                                               strGroupID,
                                               strGroupName,
                                               strID,
                                               strName,
                                               nNum.ToString(),
                                               strItemRealPrice,
                                               strItemmarketPrice,
                                               strUID);

        WebMediator.OpenCyouPayWindow(strPurchaseInfo);
        //using (AndroidJavaClass cls_UnityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))
        //{

        //    using (AndroidJavaObject obj_Activity = cls_UnityPlayer.GetStatic<AndroidJavaObject>("currentActivity"))
        //    {
        //        obj_Activity.Call("openPayWindow", strPurchaseInfo);
        //    }
        //}
    }