It is very important to label switches properly and avoid duplication when you find them in table views, like in settings. One way it's usually done, and probably the simplest solution, is by adding the UISwitch in the accessory view of the cell.
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Very often we need to show a UISwitch preceded with a UILabel that explains what it does. The text in the label is basically the accessibility label for the switch. Ideally we want for both components to be grouped behave as a UISwitch. It makes much easier to understand what the switch does, compared to having two separate accessible components. There is a number of ways you can do that. One of them is to use a container view and proxy the switch accessibility attributes.
You should convey important information in multiple modes, not just color. If you are still required to do so, at the very least you should complement that info with other modes, like symbols, if the user requested differentiation without color.
If, for some reason, you are creating a button from scratch, instead of relying on UIButton (perhaps you are adding a fancy micro interaction animation?), take into account that you’ll need to configure the button accessibility trait.
Content © Daniel Devesa Derksen-Staats — Accessibility up to 11!
