cocos2d 3.2 对手机返回键的监听

 auto listener = EventListenerKeyboard::create();

listener->onKeyReleased = [this](EventKeyboard::KeyCode key, Event *)

{

if (EventKeyboard::KeyCode::KEY_RETURN == key || EventKeyboard::KeyCode::KEY_ESCAPE == key || EventKeyboard::KeyCode::KEY_BACKSPACE == key)

{

auto endLayer = EndLayer::createScene();

this->addChild(endLayer);

}

};

_eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);