How to change the colors of a segment in a UISegmentedControl in iOS 13?

As of iOS 13b3, there is now a selectedSegmentTintColor on UISegmentedControl.

To change the overall color of the segmented control use its backgroundColor.

To change the color of the selected segment use selectedSegmentTintColor.

To change the color/font of the unselected segment titles, use setTitleTextAttributes with a state of .normal/UIControlStateNormal.

To change the color/font of the selected segment titles, use setTitleTextAttributes with a state of .selected/UIControlStateSelected.

If you create a segmented control with images, if the images are created as template images, then the segmented control’s tintColor will be used to color the images. But this has a problem. If you set the tintColor to the same color as selectedSegmentTintColor then the image won’t be visible in the selected segment. If you set the tintColor to the same color as backgroundColor, then the images on the unselected segments won’t be visible. This means your segmented control with images must use 3 different colors for everything to be visible. Or you can use non-template images and not set the tintColor.

Under iOS 12 or earlier, simply set the segmented control’s tintColor or rely on the app’s overall tint color.

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