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我需要切换图像(打开或关闭)。当我设置默认值(在界面生成器中)时,它可以工作,但是当我添加选定的图像时,什么也没有发生。
有什么想法吗?
谢谢
刚刚添加了一个 UIButton 类来控制按钮的图像(UIButton 的自定义子类)