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Are you an accessibility advocate or champion? This presentation introduces steps to make your applications and web sites accessible. It also challenges us to create the future accessibility solutions. It was created for the Yahoo! Hack University event at the University of Washington by Ted Drake, from the Yahoo! Accessibility Lab.
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Accessibility Innovations and Challenges
Ted DrakeYahoo! Accessibility Lab
Thursday, March 3, 2011
this presentation was created for the Yahoo! Hack U event at the University of Washington, 2011
Accessibility is...
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
Leveling the playing field
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
Our goal is to give everyone equal access to information, tools, jobs, and activities. We acknowledge there may be different methods to achieve tasks, but they are possible.
Removing Barriers
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
Don’t break the web by creating an application that is not accessible. Avoid “shortcuts” that assume the user can see, hear, and/or has full mobility.
Universal Design
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
produce buildings, products and environments that are inherently accessible to both the able-bodied and the physically disabled.Apple products do a great job at this.don’t think a,b,c, i.e. high contrast or low contrast. Think about how you can provide a range of contrast.Provide functionality for hover, active, focus.
Who makes it accessible?
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
lainey feingold, an attorney that works with companies to improve their products accessibility.
for instance, braille credit card machines at Target and other stores.
She says advocates and champions are needed for accessibility changes
Advocates Refuse Barriers
Creative Commons: image by tigoe on Flickr
Thursday, March 3, 2011
Advocates, she explained, are people with disabilities that are not satisfied with having to work around barriers to entry.
They demand equal access, whether that is an accessible web form, ATMs with audio feedback, or tactile point of sale devices that allow a visually impaired shopper to use a credit card at a store’s cash register.
Champions make it happen
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Champions are people within organizations that understand the problems and are devoted to implementing the changes.
Some people are both advocates and champions.
Some rights reserved by ocad123 on Flickr
Thursday, March 3, 2011
It’s our job to avoid upsetting advocates in the first place. We are also the champions that listen to the advocates and fix the problems.
Make it Accessible
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
The following slides discuss basic accessible web development concepts.
Contrast
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
Make sure web sites have enough contrast http://snook.ca/technical/colour_contrast/colour.html
Red
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Green
click on the red button
Thursday, March 3, 2011
Don’t use color as the only delimiter. Finance uses color + arrows.Yahoo! sites are pretty good at not doing this
Lady Gaga performs “Born This Way” while
suspended from 15 golden elephants with swans resting on their heads
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Lady Gaga stuns the Grammys
This is good alt text
Thursday, March 3, 2011
“lady gaga stuns the Grammys” is a headline, followed by an image. the image has a great alt text. The text describes what is in the image.
http://ts2.mm.bing.net/images/thumbnail.aspx?
q=590377916357&id=99b50262230077d041a48c43
e717cf39
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Lady Gaga stuns the Grammys
Thursday, March 3, 2011
don’t forget to add the alt attribute to every image.the screen reader user will be presented with the source of the image instead of a description.
Lady Gaga stuns the Grammys
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Lady Gaga stuns the Grammys
Thursday, March 3, 2011
It doesn’t help to duplicate the headline in the image.Try placing them in the same link and use alt=””
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Lady Gaga stuns the Grammys
Thursday, March 3, 2011
alt=”” is ignored by screen reader.Good for decorative imagesGood for images within a link that has descriptive textNot good for content images by themselvesrole=”presentation” will tell screen readers to ignore the image
Images DisabledYahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
This toolbar had a twitter badge with white text on top.add a background color to your background CSS when the link text is the same color as the container background color. This can cause problems with transparent images using rounded corners.
Off-screen TextYahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
The mother of all scroll bars
<html dir=”rtl”>
Thursday, March 3, 2011
off-screen text generates huge scroll bars when switched to rtl text directionthis is caused by using text-indent:-999em or left:-999em;top:-999em; will cause the screen to jump if item is focused.
Use Clip
.obscure, a.bg span { position: absolute !important; clip: rect(1px 1px 1px 1px); /* IE6, 7 */ clip: rect(1px, 1px, 1px, 1px);}
http://yaccessibilityblog.com/library/css-clip-hidden-content.html
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
This rule tells us to position the element absolutelythen only show the top left pixel.Visit the blog entry for complete information on using this css pattern.
<bu$on>Sign In</bu$on>
<a>Cancel</a>
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
Don’t use a link for a button.at least add role=”button”you can style a button to look like a link for UED
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Name Color Taste
Gala Red Sweet
Granny Smith Green Tart
Pink Lady Pink Sweet
Rome Red Sweet
<th scope=”col”>
</th>
<th scope=”row”>
</th>
Thursday, March 3, 2011
add scope=”row | col” to your th cellsscreen readers will announce the header before the appropriate cell. th[scope=”row”] allows you to style row headers
Command +Is not testing for text size flexibility
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
In firefox and safari choose view->zoom text only, then use command +simply zooming the page causes scroll bars. your page should allow user to increase font without breaking layout.use YUI CSS for fonts,grids,base,reset to instantly solve this
<label for=”fname”>First Name</label><input id=”fname” name=”fname” type=”text”>
Label Your Input
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
Use a label for each form input. Explicit binding via for+id will work in all browsers.Implicit binding, wrapping the input in a label tag, will not work in IE6replace label with aria-label=””, aria-labelledby=””, or possibly alt=”” on input.
ARIAAccessible Rich Internet Applications
Some rights reserved by paul goyette on FlickrThursday, March 3, 2011
ARIA allows us to define the application like interactions for web pages.
Use ARIA Today
• Landmarks: role=”search”, role=”main”
• Function: role=”button”
• Labels: aria-label=”Search Term”
• State: aria-invalid=”true”
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
Visit the accessibility lab’s aria library for more information: http://yaccessibilityblog.com/library/tag/aria
Innovative Solutions
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
Traumatic Brain Injury
• Iraq Veterans
• Football Injuries
• Crashes
Some rights reserved by CorCor Beware on FlickrThursday, March 3, 2011
short term memory lossrequire repetitive instructionsavoid confusion
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
PEAT
• Schedule for daily tasks
• Reinforce remembered tasks
Thursday, March 3, 2011
PEAT was originally designed for NASA astronauts. scheduled reminders require user to interact when a task is completed.how can we reinforce good behavior when the task is completed without promptingPalo Alto V.A. is working on this
Short Term Memory Loss Hacks
• Re-Education
• Workforce transition
• Resources aggregator
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
application that restores basic personal knowledgeapplications that storyboard workspace tasks, such as replacing toner, creating spreadsheets
Cognitive Disabilities
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Thursday, March 3, 2011
Autism, intellectual disabilities, developmentally disabled, brain injuries, mental diseases
“Four score and seven years ago our fathers brought forth on this continent a new nation, conceived in liberty, and dedicated to the proposition that all men are created equal.”
87 years ago our country was created with the belief that all men are equal and deserve freedom.
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
Can we generate a simplified version of an article for those with a lower reading level?
Readability.comYahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
Readability is a browser plugin that simplifies a pageit removes images, navigation, etcuser can personalize font size, background color, and optional resource link list
Readability.comYahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
Readability is a browser plugin that simplifies a pageit removes images, navigation, etcuser can personalize font size, background color, and optional resource link list
Readability.comYahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
Readability is a browser plugin that simplifies a pageit removes images, navigation, etcuser can personalize font size, background color, and optional resource link list
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Photo Dialer
Thursday, March 3, 2011
this is a fairly easy application that lets user make phone calls via the images in their contacts rather than names and phone numbersThis can integrate with phone’s contact list for very easy dialing.
Memory Loss
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
slide shows to feature family and friends with namesmental games journals for keeping track of what has been done during the day.Growing population with dementia and alzheimers
Non-Visual Innovations
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
In Plain English?
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
create a function that translates significant value changes into a sentence. what did it start/end at? Charts give instant recognition of history, how can this be in text?Finance, science, math, poliditcs, and any other data sourcehttp://download.finance.yahoo.com/d/quotes.csv?s=YHOO&f=sl1d1t1c1ohgv&e=.csvuse firebug to watch the data requests
Directions
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
How can a blind user navigate the city when they cannot see the map/street names
Phone Wand
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
Phone Wand: waving the phone to get hot/cold feedback to find the correct directionAlso being developed: read street signs, find nearby stores and friends.Yahoo: bubbles for sharing local photos, info. Sketch a search navigationGeo project to get local information, bus routes, and more for location.
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Games
Thursday, March 3, 2011
Audio-based games: Tap Beatsusing stereo audio for role playing gamescrabble?
DeafHacks
Some rights reserved by izahorsky on Flickr
Thursday, March 3, 2011
Sound Detector
Some rights reserved by Thomas Hawk on Flickr
Thursday, March 3, 2011
detect sirens, alarms, and other audio signals
TwitterDeaf Twitter
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Thursday, March 3, 2011
user creates short video, uploads to flickr/post to twitter. Interface also tracks replies, retweets, etc.plays video inline on phone/computer
this could also work for blind users: audio instead of video
Physical Challenges
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Thursday, March 3, 2011
paralysis, cerebral palsy, muscular distrophy, stroke, age related, parkinsons
Site Scanner
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
Site scanner was developed by the Yahoo! prototype team to address the difficulties of using a scanning keyboard to navigate a web page.allows navigation with a single button presshttp://nexpace.com/sandbox/scanner/bookmarklet/
Communication
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Communication Tools
Thursday, March 3, 2011
Pic to Speech is an assisted communication device for the android. It allows customization of the icons and translations.DDweb provides an online environment http://ddweb.developingmindssoftware.com/site/
Prologue2go is a popular ipad app
Support Social NetworkYahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
social networks for the individuals and their support network.journal for daily activities, moods, healthcommunications amongst support network
If it ain’t broke...Fix it anyway!
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
Not all accessibility applications were built to solve an accessibility problem
color detector used by blind for imaging colors of environmentreal time video chat used for sign language chat roomsgoogle goggles for determining money values
Some rights reserved by Oha-Lau 2 on Flickr
Thursday, March 3, 2011
Ask yourself what if:you couldn’t see the difference between red, green, yellowyou couldn’t click on a linkthere was no hoveryou can’t remember the beginning of an articleyou know what to say but can’t speak
You are the Champion!
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011
Visit the Yahoo Accessibility Lab’s Blog
Accessibility.Yahoo.Com
Yahoo! Accessibility Lab Accessibility.Yahoo.Com | @yahooaccess | Facebook.com/YahooAccessibility
Thursday, March 3, 2011