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Accessibility focus on iOS

Sometimes you need to programmatically move the accessibility focus to a specific element. For example, when you present a modal, the assistive technology should move it's focus to it. Or when moving to a new screen, you might want assistive technologies to focus a specific element.

On iOS, you can use UIAccessibility to post a notification to move the focus of assistive technologies. Use screenChanged when a new view appears that occupies a major portion of the screen. Otherwise, use layoutChanged when the layout of current screen changes.

func focus(_ view: UIView) { .layoutChanged, argument: view) .screenChanged, argument: view)


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