ios - 关于leftBarButton设置问题

Question

UIButton上面的UILabel和UIImage都已经设置和正常显示了，为什么UIButton上面会多个这么大的UIImageView？烦请大神解答

Answer 1

The barbutton uses the original size of the image and will not compress it for you. Just modify the size of the image resource

Answer 2

Crop the picture resources