2. 1st International
AEGIS Conference
Wealth of
information and
services
Increasingly used
also by people with
disabilities
Mobile devices
usage exploding all
over the world
Both domains pose
several challenges
7 – 8 September 2010, Seville, Spain
3. 1st International
AEGIS Conference
Limitations
Device size
Input methods
…
Usage Situations
Mobile vs Impairments
Developers & Designers
Knowledge both domains
7 – 8 September 2010, Seville, Spain
4. 1st International
AEGIS Conference
Improve
◦ Accessibility & Mobile Adequacy
◦ Towards mobile accessibility
Support
◦ Developers, Designers, Experts, Users
Integrate
◦ existing knowledge,
◦ standards, guidelines, rules
7 – 8 September 2010, Seville, Spain
5. 1st International
AEGIS Conference
Data on mobile applications use -
scarce
AEGIS and Accessible (2009)
Over 600 people with disabilities
Belgium, Bulgaria, Germany,
Greece, Italy, Spain, Sweden, UK)
High need A8e mobile applications
AT broadened the world
Still several barriers identified
7 – 8 September 2010, Seville, Spain
6. 1st International
AEGIS Conference
AT Awareness
End users largely unaware of available AT solution
Vision impairment users more informed
Lack of A8e training on AT (experts, end users)
AT easiest to obtain are also the most abandoned
Non use most frequent on first-time users
AT Price
High purchasing costs (major barrier)
Even for disability organizations
Mismatch – needs and offered
results in high % discarded within 1 year
7 – 8 September 2010, Seville, Spain
7. 1st International
AEGIS Conference
Mobile Use
Active use
Most cell phones
Increasingly smart phones
Daily basis (at home and at work)
Considered practical tools, some even consider
part of their lifestyle.
Purchasing factors
Ease of use (determining purchase factor)
Price (also important), availability, manufacturer
familiarity
7 – 8 September 2010, Seville, Spain
8. 1st International
AEGIS Conference
Functionalities
Making calls, text messaging, managing contacts.
Address/contact list considered very important.
Chatting live and email (wanted)
Internet (wanted) - Mobile accessible content
Accessibility
Experts prefer accessible mainstream mobile
phone to avoid AT stigmatization
End users demand
standardization of mobile interfaces (menus/icons)
Standardization of HW key icons and labels
7 – 8 September 2010, Seville, Spain
9. 1st International
AEGIS Conference
User Interface
Simplicity very important
Difficult day to day use specially for visual impaired.
Command structure varies across models and
specially across brands.
Assistive Technologies
Speech output - most used across all groups
Text message would benefit from it
Integrated features used but often unknown
Training
Hardly any training not even at purchasing time
Manuals in printed version and small sized letters
7 – 8 September 2010, Seville, Spain
10. 1st International
AEGIS Conference
W3C guidelines to tailor Web site quality for
different audiences
Web Content
Mobile Web Initiative
MWBP, mobileOK Basic Tests
Web Accessibility Initiative
WCAG
Checklists (HTML, CSS, Content, Navigation,
Page Layout, User Input, …)
Evaluation software(designer & developer aid)
BW, HAM
7 – 8 September 2010, Seville, Spain
11. 1st International
AEGIS Conference
Content Disabilities context Mobile context
Information conveyed Visually impaired, Limited color palette
solely with color Colorblind Outdoors usage
Missing or Blind, screen reader. Small screen or
inappropriate page list of open windows viewport
title (e.g. long)
Audio-only prompts Deaf or hard of Noisy usage situations
(beeps) hearing
Content spawning new Low vision, Restricted Single window
windows without field of vision, interface.
warning user Blindness, Cognitive Multiple stacked
disabilities windows on small
don’t realize new screen hide each other
window
http://www.w3.org/WAI/mobile/experiences
7 – 8 September 2010, Seville, Spain
12. 1st International
AEGIS Conference
• Best Practices (Mobile usage context)
• Disability Type Related
• General Mobile Usage
• Disability type inadequate
• MWBP
7 – 8 September 2010, Seville, Spain
13. 1st International
AEGIS Conference
7 – 8 September 2010, Seville, Spain
14. 1st International
AEGIS Conference
7 – 8 September 2010, Seville, Spain
15. 1st International
AEGIS Conference
Diversity of mobile devices
Diversity of people with disabilities
Coping with idiosyncrasies of Mobile Web
Accessibility
Guidelines intersection
New guidelines (e.g. touch screen)
Conclusion
Web content access by impaired people wanted and
growing
Mobile a11y is a major issue
Harmonizing Mobile and A11y best practices
Towards mobile accessibility
7 – 8 September 2010, Seville, Spain
16. 1st International
AEGIS Conference
Thank you !
rbandeira@lasige.di.fc.ul.pt
http://www.accessible-project.eu
7 – 8 September 2010, Seville, Spain