问个问题
Layout* root = static_cast<Layout*>(_widget->getChildByName(“Panel_20”));
Label* show_content = dynamic_cast<Label*>(Helper::seekWidgetByName(root, “Label__network speed”));
show_content->addTouchEventListener(this,toucheventselector(UpgradingLayer::showLoadingSpeed));
这样不行啊!报No number named addTouchEventListener in cocos2d::Label
为什么 3.0rc中不可以给label添加点击事件吗