To post an accessibility notification, you can use post(notification:argument:) on UIAccessibility: static func post( notification: UIAccessibility. It’s best to use “layout changed” only when there’s a major change to your interface, as pulling focus too often can make people confused and lose context inside your app. The Shortcuts app plays a “screen changed” notification after someone selects the + button. For people who use VoiceOver, you can use the “screen changed” or “layout changed” notifications to guide their focus to the new elements. In the Shortcuts app, for example, tapping the + button brings up components that will help someone build a shortcut. Your app may change its layout visually to indicate the result of an action or event. Learn more about custom actions > Flag layout changes To flag a custom control or view as an accessibility element, you can use isAccessibilityElement: var isAccessibilityElement: Bool Otherwise, VoiceOver will emit a “boink” sound.īy default, all standard UIKit controls are accessibility elements. If it’s within the bounds of an accessibility element, VoiceOver will focus on it.
Each time VoiceOver lands on a new element, it speaks details like its accessibility label and value aloud, along with hints or traits if the element has any.Īlternatively, people may tap directly on a visual element to navigate to it. Swiping to the right anywhere on the screen will navigate to the next element in the view, while swiping to the left will navigate to the previous one. VoiceOver also adds a few specific multitouch gestures and taps to help people navigate their device. You can enable VoiceOver in the Settings app or System Preferences on your Mac, and if you want to have easy access to the feature, you can even enable a hardware-based Accessibility Shortcut.
While Xcode provides you with several tools to test your app’s accessibility, you can learn a lot about VoiceOver and how various apps have implemented it by taking a test drive on your own iPhone, iPad, Mac, Apple Watch, or Apple TV. Tip: Explore VoiceOver on your own device As it describes an element, VoiceOver also highlights it on screen by displaying a black rectangle around the content.
To decide what to read, VoiceOver looks for accessibility elements - individual or grouped visual elements within a view - as well as whether someone can interact with these elements. When someone enables VoiceOver on iOS, iPadOS, watchOS, or tvOS, it begins describing all of the labeled elements on screen. Master accessibility elements in your app Whether you personally use VoiceOver or not, here’s how you can put yourself in the mindset of those who do to help design a standout experience. And if you’ve opened this article in the Developer app, you’ll also hear about navigational elements in the app. Take this article, for instance: You may be reading this text visually however, if you’re a developer who uses VoiceOver, you’ll hear this paragraph (and the rest of the article) spoken to you along with verbal descriptions of any important elements you might need to know about. VoiceOver is a core part of helping people navigate without needing to view their screen.
0 kommentar(er)
