Make sure you have the following:
#include "ui/CocosGUI.h"
USING_NS_CC;
And that you include the ui:: eg
auto uButton = ui::Button::create();
Make sure you have the following:
#include "ui/CocosGUI.h"
USING_NS_CC;
And that you include the ui:: eg
auto uButton = ui::Button::create();