"Accessibility" - Google News - Wednesday, June 5, 2019 at 2:01 PM
iOS 13 includes new Accessibility features for motion sensitivity and color
blindness - 9to5Mac
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This week during Apple’s WWDC sessions for developers the company showed off
some new features for accessibility coming to iOS 13. These include new
settings to improve app interactions for users with various motion sensitivity
and color-blindness disabilities. The new features will be available in Apple’s
own apps starting with iOS 13 and in third-party apps via new APIs for
developers.
Head below for full details on the new features:
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Auto-play video previews
Apple already had an option in previous versions of iOS to allow users with
motion sensitivity to “Reduce Motion” to disable things like weather effects in
the Weather app and the system Parallax effect. New for accessibility in iOS 13
is a setting for motion sensitivity that allows users to disable “Auto-Play
Video Previews”.
The option is enabled by default, but after being disabled in iOS 13’s
Accessibility settings, it will prevent video previews from automatically
playing in Apple’s apps such as the App Store. While this was possible already
via App Store settings, the new feature will apply system-wide to all Apple
apps and also offer a new API for developers to extend the functionality to
third-party apps. Developers will also be able to allow users to override the
system setting to allow automatic previews in only specific apps.
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Cross-fade Screen Transitions
This new setting under Motion preferences in Accessibility switches the usual
lateral screen transition animation when navigating apps to a new dissolved
cross-fade screen transition that will be preferable and less jarring for users
with motion sensitivity. The new setting, called “Prefer Cross-Fade
Transitions”, can be turned on only after the “Reduce Motion” setting is
enabled.
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For developers, UIKit implements these dissolved transitions automatically for
users that have the “Prefer Cross-Fade Transitions” setting enabled.
Differentiate without Color
A new option being brought over from Mac to iOS for users with color-blindness
is called “Differentiate with Color”. The new setting will be available under
the “Display & Text Size” pane in Accessibility settings.
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The basic idea is that the setting will automatically replace user interface
elements that rely solely on color to alternatives that are easier to
differentiate. Apple noted during its WWDC presentation for developers that the
new feature will help people with color-blindness including users with
deuteranopia, protanopia, and tritanopia that have trouble distinguishing
between certain colors that might be critical to understanding or controlling
the user interface.
When developers implement the setting for their app, they will replace any
color indications with a shape or symbol that doesn’t rely on color. A game,
for example, that utilizes different colors to indicate player 1 and player 2
might switch to a unique icon to differentiate between players.
SwiftUI
In addition to the features above, Apple’s new SwiftUI for developers also adds
new capabilities for developers to make their app accessible with much less
effort than ever before. That includes things like accessible images and
controls with the help of a new SwiftUI Accessibility API for adding interface
elements such as elements including labels, values, hints and more.
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https://9to5mac.com/2019/06/05/ios-13-wwdc-accessibility/
David Goldfield
Assistive Technology Specialist
Feel free to visit my Web site
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