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Accessibility on
Apple Vision Pro
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😴 You are here.
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VOMIT HUMOR 🤮
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https://www.youtube.com/feed/downloads
https://www.youtube.com/watch?v=5qOnU
PbFym0&list=PPSV
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Motion
▪ Rapid movement
▪ Bouncing/waving
▪ Zooming animations
▪ Multi-axis movement
▪ Spinning/rotation
▪ Persistent background
effects
▪ Limit “risky” movement
▪ Static images
▪ Crossfade
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Head Anchors
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Head Anchors
▪ Prefer world anchors
▪ No critical info
▪ Change to world anchor based on settings
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Annotations
▪ accessibilityLabel
▪ accessibilityValue
▪ accessibilityTraits, etc.
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Annotations
▪ accessibilityLabel
▪ accessibilityValue
▪ accessibilityTraits, etc.
+ RealityKit
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Accessibility Notifications
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Accessibility Notifications
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Position
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Position
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Gestures
▪ Choose gestures at beginning
▪ Change gestures any time
▪ Reminder of gestures any time
▪ Avoid complex gestures
▪ Don’t override platform gestures
▪ Test with Dwell Control (tap, scroll, long press, drag)
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Movement
▪ Optional displacement (bypass)
▪ Stationary experience
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Color Contrast
▪ 4:1 contrast ratio
▪ Prefer system colors
▪ Prefer thicker glass
▪ Prefer higher vibrancy
▪ Use contrast checker
https://webaim.org/resources/contrastchecker/
▪ Trust Apple
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Touch Target Size
▪ 44 pt x 44 pt on iOS
▪ 60 pt x 60 pt on visionOS
▪ + 8 pt of space
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Dynamic Type
▪ Support dynamic type
▪ Adjust horizontal layouts
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Pop-on Captions
Pop-on captions appear and disappear in
sync with the audio in blocks of 1-3 lines.
✅
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Roll-on Captions
WWDC https://developer.apple.com/videos/play/wwdc2023/10034
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Captions
▪ Pop-on captions > roll-up captions
▪ Include directional cues
▪ Allow customization
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Allow Time
▪ Even more time than iOS
▪ Avoid time limits
▪ Allow time-out reminders and extensions
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Dark Mode
▪ iPad app defaults to light mode
▪ Does not exist on visionOS
▪ Add in-app settings
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In-App Settings
▪ Fill in gaps
▪ User feedback => in-app setting
▪ Example settings:
□ Dark mode
□ Gesture reminders
□ Change gestures
□ Customize captions
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Manual Testing
▪ VoiceOver + captions panel (+ Direct Gesture mode)
▪ Dwell Control
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Conclusion
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Conclusion
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Thanks!
Any questions?
Scan code for:
▪ Slides
▪ Code examples
▪ WWDC video links
▪ Accessibility Checklist for
visionOS
RobinKanatzar.com/swift-conf