iOS tabbar 选择图片默认为蓝色
用storyboard设计TabBar相当的快捷、方便。 但是在属性板栗设置TabBarItem背景图片的时候, Selected Image设置的图片颜色明明是红色,但是实际运行后却变为蓝色。 在StoryBoard中搞了很久也没解决,后来查到是要在代码中更改。 UITabItem的头文件,发现下面的内容: /* The unselected image is autogenerated from the image argument. The selected image is autogenerated from the selectedImage if provided and the image argument otherwise. To prevent system coloring, provide images with UIImageRenderingModeAlwaysOriginal (see UIImage.h) */ - (instancetype)initWithTitle:(NSString *)title image:(UIImage *)image tag:(NSInteger)tag; - (instancetype)initWithTitle:(NSString *)title image:(UIImage *)image