Mobile Application Accessibility

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Mobile Accessibility

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Adrian Kosmaczewski

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What is “Accessibility”?

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“The degree to which a product, device, service, or environment is available to as many people as possible.” http://en.wikipedia.org/wiki/Accessibility

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Accessibility ≠ Usability

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Accessibility is about everyone

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Accessibility is about everything

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Transportation

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http://www.openideo.com/open/voting/inspiration/enhanced-urban-mobility-the-people-s-way Architecture and Urbanism

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http://www.georgiancollege.ca/news/wp-content/uploads/2010/01/ACCESSIBILITY-003-300x281.jpg Employment

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Example: Conferences

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•Wheelchair access? •Restrooms? •Copies of papers? •Sign language interpreters? •Quiet places for conversations? •Braille copies of the printed material? •Volunteers to describe and guide? •Food allergies or religious preferences? •Flashing lights?

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Legal Implications

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Article 4.g

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To undertake or promote research and development of (…) new technologies, including information and communications technologies, mobility aids, devices and assistive technologies, suitable for persons with disabilities, giving priority to technologies at an affordable cost; http://www.un.org/disabilities/convention/conventionfull.shtml

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Switzerland?

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http://en.wikipedia.org/wiki/Convention_on_the_Rights_of_Persons_with_Disabilities

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http://www.admin.ch/ch/d/sr/151_31/index.html

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http://www.admin.ch/ch/f/rs/151_31/index.html

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Article 10

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Mobile Technologies

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Disruption

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http://www.ﬂickr.com/photos/oskay/365607662/

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http://www.ﬂickr.com/photos/justdrew1985/4348527596/

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Lifestyle change

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http://www.flickr.com/photos/garryknight/4659579077/ http://www.flickr.com/photos/aidanmcmichael/295397071/ http://www.flickr.com/photos/lwr/27361510/

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for everyone

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http://www.ﬂickr.com/photos/luc/6800884507/ http://www.ﬂickr.com/photos/faceme/3578347527/

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Mobile developers?

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http://www.flickr.com/photos/digital_femme/4979749085/ http://www.flickr.com/photos/jenniferconley/6897584703/ http://www.flickr.com/photos/digital_femme/4979750047/

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Demographics

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Male

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Healthy

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http://www.ﬂickr.com/photos/slworking/5757370044/ (sorta)

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20 - 40 years old

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Medium to high income

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Not a good start

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Anecdote

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iPhone Dev Days London 2010

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“10 Commandments for iOS Developers”

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Attendee

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Blind

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“You forgot the 11th”

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Accessibility

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Mobile Paradox

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Mobile technologies enable users

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•Focused •Immediate •Geolocalized •Cameras •Accelerometer •Compass •Gyroscope •Microphone •Cheaper

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Mobile technologies disable users

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•Small screen •Small keyboard •On-screen keyboard •Poor battery life •Small font sizes •Operated with one hand •Stripped-down contents

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Axis of mobile accessibility

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•Types of content •Types of user needs •Types of challenges posed by mobile devices

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1. Mobile content

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•Websites •Apps

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2. User needs

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•Visual •Motor/Mobility •Auditory •Seizures •Cognitive/ Intellectual •Localization and cultural issues

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•Temporary •Permanent

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3. Challenges

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•Small devices •Different form factors •Touch screens •Diverse UI designs •Lack of expandability •Outdoor use http://www.ﬂickr.com/photos/solgrundy/5365304165/ http://www.ﬂickr.com/photos/johanl/6798184016/

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How?

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http://www.ﬂickr.com/photos/jenniferconley/6897571105/ Include Accessibility in the Design Process

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Considerations

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•Standards •Platforms •Guidelines •APIs •… end users

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7 Guidelines

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1. Descriptive Text in UI Controls

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A short, localized word or phrase that succinctly describes the control or view, but does not identify the element’s type. A brief, localized phrase that describes the results of an action on an element.

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Source: developer.apple.com (akos.ma/hnw)

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2. Do not convey meaning with color alone

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http://www.cultofmac.com/200268/clear-for-mac-a-refreshingly-fun-and-simple-task-manager-inspired-by-ios-review/

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3. Minimize text input

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4. Semantic HTML markup

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5. Avoid scrolling

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6. Do not use gestures alone

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7. Allow zooming

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http://www.ﬂickr.com/photos/79578508@N08/8381182759/

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Summary

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1. Descriptive text in UI controls 2. Do not convey meaning with color 3. Minimize text input 4. Semantic HTML markup 5. Avoid scrolling 6. Do not use gestures alone 7. Allow zooming