David Chandler's Journal of Java Web and Mobile Development

  • David M. Chandler

    Web app developer since 1994 and ex-Googler now residing in Peru with the wife of my youth and our three youngest children. I am working on a software development company and hoping to do more teaching as my Spanish improves. My current side project is a not-for-profit startup using GWT on AppEngine. In my "spare" time, I take pictures, preferably of Rocky Mountain National Park... or Peru.

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Accessible Fibonacci app

Posted by David Chandler on September 7, 2012

Fibonacci series calculator with plus / minus buttonsAs I wrap up my trip to DC to present at the GDG meetup (with huge turnout ~200: thanks, everyone!), I thought I would take my own medicine and update my Fibonacci app to make it more accessible. The main improvement was to add a couple of buttons to the Series tab which are much easier to use with TalkBack than the slider bar.

In addition, I added some <android:contentDescription> tags to assist the screen reader. Here is the latest source code and the app in the Google Play Store.

Call me a geek, but I get a kick out of uploading new APKs to the Google Play Store while on the plane.


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