This tutorial will show first how to create a RadioGroup listener and, second, how to identify specific buttons when you can't access them through a resource id. Anonymous radio buttons (and other views) will normally occur when you create them dynamically from a database or some other resource. I couldn't find a good tutorial on setting up a radio group when I was working on it myself, so I thought I would share what I've learned. This tutorial assumes that you know the basics of setting up activities and views. ... more

The technique I'll present here allows you to create a custom view entirely in Java, then embed that view into an XML layout. While there are already numerous tutorials for creating custom views both on the web and in the literature, I couldn't find anything that explained what is actually essential in this particular kind of configuration. So, I had to piece it together from tutorials that explained something kind of similar but still not quite the same and then the usual trial and error. ... more