EventListenerKeyboard在iOS下无效?

是我用的不对还是?

auto listener = EventListenerKeyboard::create();
// listener->onKeyPressed = CC_CALLBACK_2(BaseWindowHandle::onKeyReleased,this);
listener->setEnabled(true);

listener->onKeyReleased = CC_CALLBACK_2(BaseWindowHandle::onKeyReleased,this);




Director::getInstance()->getEventDispatcher()->addEventListenerWithSceneGraphPriority(listener, node);