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FOSS-AMASatellite event
Rogério BandeiraFFCUL
Portugal
27-28 March 2010, Paphos, Cyprus
FOSS-AMASatellite event
27-28 March 2010, Paphos, Cyprus
FOSS-AMASatellite event
Improve◦ Accessibility & Mobile Adequacy
Support ◦ developers, designers, experts
Integrate◦ existing knowledge,◦ standards, guidelines, rules
27-28 March 2010, Paphos, Cyprus
FOSS-AMASatellite event
Accessibility◦ … Web sites are accessible when individuals with
disabilities can access and use them as effectively as people who don’t have disabilities (Slatin and Rush)
Standards, Laws, Tools
Mobile additional restrictions Screen size, CPU, Battery,
Memory, Mouse, Keypad, Communications,
Usage situations
27-28 March 2010, Paphos, Cyprus
FOSS-AMASatellite event
Standards are the best approach to interoperability in this fragmented devices market
MWBP W3C Recommendation 2008◦ BP to improve user experience of Web
when accessed from such devices◦ 60 Best Practices – delivered content◦ WCAG derived - mobile relevance
scope
27-28 March 2010, Paphos, Cyprus
FOSS-AMASatellite event
Disability Types link ◦ body structure impairments (BSI)
deviation, loss, of body functions (sight, hear, …) map◦ interaction limitations (vision loss creates a blind spot, blur)
associate ◦ guidelines and heuristics to specific BSI determine◦ users groups that benefit from each guideline application
extend ◦ to cope with WCAG & MWBP
27-28 March 2010, Paphos, Cyprus
FOSS-AMASatellite event
Content Disabilities context Mobile context
Information conveyed solely with color
Visually impaired, Colorblind
Limited color palette Outdoors usage
Missing or inappropriate page title (e.g. long)
Blind, screen reader. list of open windows
Small screen or viewport
Audio-only prompts (beeps)
Deaf or hard of hearing
Noisy usage situations
Content spawning new windows without warning user
Low vision, Restricted field of vision, Blindness, Cognitive disabilities don’t realize new window
Single window interface. Multiple stacked windows on small screen hide each other
http://www.w3.org/WAI/mobile/experiences
27-28 March 2010, Paphos, Cyprus
FOSS-AMASatellite event
http://www.w3.org/WAI/mobile/experiences
Content WCAG 1.0checkpoint
WCAG 2.0success criteria
MWBest Practice
Information conveyed solely with color
2.1, 2.2 1.4.1 Use of Color1.4.3 Contrast (Minimum)…
USE_OF_COLORCOLOR_CONTRAST
Missing or inappropriate page title
13.2 2.4.2 Page Titled Page Title
Audio-only prompts (beeps)
1.1, 1.4 1.2.1 Audio-only and video-only
NON TEXT ALTERNATIVES
Content spawning new windows without warning user
10.1 3.1.2 On-focus3.2.2 On-Input3.2.5 Chage on Request
POP_UPS
27-28 March 2010, Paphos, Cyprus
FOSS-AMASatellite event
• Best Practices (Mobile usage context)• Disability Type Related• General Mobile Usage• Disability type inadequate
• MWBP
27-28 March 2010, Paphos, Cyprus
FOSS-AMASatellite event
Disability type
Usage Scenario
Selector
Simulation Profile
Guidelines
User Interface Evaluator
HTMLParser
Web Resource
Included Resource
Linked Resource
GuidelineTests
ResultsHandler
HTTPHandler
Pre-Processor
Assessor
27-28 March 2010, Paphos, Cyprus
FOSS-AMASatellite event
27-28 March 2010, Paphos, Cyprus
FOSS-AMASatellite event
27-28 March 2010, Paphos, Cyprus
FOSS-AMASatellite event
27-28 March 2010, Paphos, Cyprus
FOSS-AMASatellite event
Extend BP coverage Integrate Portal, Inference Engine, EARL reports,
Feedback
Web designers & developers◦ accessibility & mobile adequacy specificities◦ diverse best practices & tools
Common methods & tools Develop, use, learn and improve Towards Accessible & Mobile Adequate Web
Contents
27-28 March 2010, Paphos, Cyprus
FOSS-AMASatellite event
Thank you !
http://www.accessible-project.eu
feedback wanted from accessibility experts