UserScene* UserScene::create()
{

    UserScene *pRet = new(std::nothrow)UserScene();
    if (pRet && pRet->init())
    {
        pRet->autorelease();
        return pRet;
    }
    else
    {
        delete pRet;
        pRet = NULL;
        return NULL;
    }

}
void ChatScene::userCallback(Ref* sender)
{
    Director::getInstance()->getScheduler()->pauseTarget(this);
    Scene* pScene = Scene::create();
    UserScene* pLayer = new UserScene();
    pLayer->setUserQueue(userQueue);
    if(pLayer&&pLayer->init())
    {
        pScene->addChild(pLayer);
        CCLOG("Director pushScene");
        Director::getInstance()->pushScene(pScene);
    }
    else
    {
        delete pLayer;
        pLayer = NULL;
    }
}