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Does Android support visually impaired users in the same way as HTML alt tags are used to provide input for screen readers on the web?
If so, what is the best practice to code Buttons and ImageViews etc so they can be read by a screen reader?
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He's able to code using a standard-issue laptop. He uses a piece of software called a screen reader. With it, he can select a line of text or code, and hear its contents read back to him at hundreds of words per minute.
Using the camera technology on iPhones and other devices, TapTapSee was designed specifically to help the blind or visually impaired accurately identify everyday objects without the need for sighted assistance. Simply tapping the screen to take a photo, the user will hear the app correctly name the item.
I'm not quite clear on your question. The internet browser, or any applications that rely heavily on HTML rendering are not accessible This quote is taken from this blog post.
You can turn on the accessibility features by going to Settings --> Accessibility and checking the box "Accessibility". While the web browser and browser-based applications do not yet "talk" using these enhancements, we're working on them for upcoming releases.
Android does provide screen reader support for a lot of applications, see this wiki page for a list of applications known to work well with Android using a free and open source screen reader.
I can't find any general guidelines for creating accessible apps but this LinkedIn group may be helpful. I don't have a LinkedIn account though so don't know how active the group is.
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