Accessibility and Apple Vision Pro, SwiftConf 2024

Making apps accessible is one thing, but what about making your apps on the Vision Pro accessible? Learn the basics, learn about special considerations for accessibility in spatial computing, and fun tips and tricks you can do for your apps you're building for the Vision Pro.

Presentation given at SwiftConf on August 7, 2024
https://swiftconf.com/#/

1. Accessibility on Apple Vision Pro
2. 😴 You are here.
4. VOMIT HUMOR 🤮
5. https://www.youtube.com/feed/downloads https://www.youtube.com/watch?v=5qOnU PbFym0&list=PPSV
7. Motion ▪ Rapid movement ▪ Bouncing/waving ▪ Zooming animations ▪ Multi-axis movement ▪ Spinning/rotation ▪ Persistent background effects ▪ Limit “risky” movement ▪ Static images ▪ Crossfade
10. Head Anchors
13. Head Anchors ▪ Prefer world anchors ▪ No critical info ▪ Change to world anchor based on settings
16. Annotations ▪ accessibilityLabel ▪ accessibilityValue ▪ accessibilityTraits, etc.
18. Annotations ▪ accessibilityLabel ▪ accessibilityValue ▪ accessibilityTraits, etc. + RealityKit
24. Accessibility Notifications
25. Accessibility Notifications
26. Position
28. Position
29. 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)
30. Movement ▪ Optional displacement (bypass) ▪ Stationary experience
31. 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
32. Touch Target Size ▪ 44 pt x 44 pt on iOS ▪ 60 pt x 60 pt on visionOS ▪ + 8 pt of space
33. Dynamic Type ▪ Support dynamic type ▪ Adjust horizontal layouts
36. Pop-on Captions Pop-on captions appear and disappear in sync with the audio in blocks of 1-3 lines. ✅
37. Roll-on Captions WWDC https://developer.apple.com/videos/play/wwdc2023/10034
38. Captions ▪ Pop-on captions > roll-up captions ▪ Include directional cues ▪ Allow customization
41. Allow Time ▪ Even more time than iOS ▪ Avoid time limits ▪ Allow time-out reminders and extensions
42. Dark Mode ▪ iPad app defaults to light mode ▪ Does not exist on visionOS ▪ Add in-app settings
43. In-App Settings ▪ Fill in gaps ▪ User feedback => in-app setting ▪ Example settings: □ Dark mode □ Gesture reminders □ Change gestures □ Customize captions
44. Manual Testing ▪ VoiceOver + captions panel (+ Direct Gesture mode) ▪ Dwell Control
45. Conclusion
46. Conclusion
47. Thanks! Any questions? Scan code for: ▪ Slides ▪ Code examples ▪ WWDC video links ▪ Accessibility Checklist for visionOS RobinKanatzar.com/swift-conf