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Accessibility for AAC—toronto uxpa int'l
- 1. Designing for Extreme Accessibility @yossilanger, East Side Strategy UXPA 2017 Toronto
- 2. How do you know when you’ve done good work?
- 3. What we’re talking about today Designing for assistive technology input devices Things I wish I’d known going in Constraints & heuristics
- 4. Specifically Accessing applications with switches Accessing applications with eye-gaze Accessing applications with touch, when the user’s degree of motor control can’t be assumed
- 9. P Perceivable Operable Understandable Robust O U R
- 11. 750 million people (10% of everyone*)
- 13. A A C
- 17. ~450k ALS/MNB ~15mm Non-verbal from Autism ~6mm Cerebral Palsy~1.8mm Traumatic brain injury Who needs AAC devices?
- 19. Sidebar ...
- 22. 1. Double research time
- 23. Anyway
- 25. “The toolbox is for her”
- 26. “The toolbox is for me”
- 27. Our Mission: Improve ● Comprehension ● Recall ● Findability ● Access by ALL users and ALL access methods
- 28. 2. Move in with the support staff
- 29. Things to know
- 30. Disability ≠ Access Method ≠ Personality
- 31. Switches
- 35. 1 ms (that’s a thousandth of a second!)
- 36. Establish clear focus & selected states
- 37. VS. Limit selectable items per screen
- 38. Label all actions clearly VS. Straightforward, Logical Nonspecific, lack of context
- 39. Tab order & multi-select actions
- 44. Eyegaze trackers Our eyes like: ● Movement ● Shiny things, like contrasts ● Sharp things, like corners Using your eye to select things is unnatural and tiring
- 49. Best Not Great Avoid High contrasts can trap the eye
- 50. Touch
- 54. 3. Accessibility is not a checklist
- 55. Allow room to make targets legible at distance VS.
- 56. PAUSE before accepting next input in same spot Watch for rapid-fire selection
- 57. Create non-actionable padding between actions VS.
- 58. Keyguards
- 59. Inaccessible Accessible Accessible Accessible AccessibleAccessible Accessible Accessible Accessible AccessibleAccessible Accessible Accessible Accessible AccessibleAccessible
- 60. Many keyguard variations 1. 2. 3.
- 61. 4. Get your hands dirty
- 64. Some autistic users prefer/need ...Others don’t prefer/need it No Images No Animations No Icons Calm colors
- 65. 5. One size will never fit all
- 66. 5.5 There are no edge cases
- 67. Design for calibration and customization Design modularly and test thoroughly ● How long a press is an acceptable touch? ● Show or hide icons? ● Size objects for a few centimeters or a meter and a half? ● Calming or high-contrast color palette? ● How fast does focus scan over objects?
- 70. 6. Ability is a continuum
- 71. 7. Seek out projects like this
- 73. Suggested reading A WEB FOR EVERYONE: http://rosenfeldmedia.com/books/a-web-for-everyone/ JUST ASK: INTEGRATING ACCESSIBILITY THROUGH DESIGN: http://www.uiaccess.com/accessucd/ User research resources: http://www.uiaccess.com/accessucd/involve.html WCAG Guidelines: https://www.w3.org/WAI/intro/wcag