Android id naming convention: lower case with underscore vs. camel case

Question

I\'m currently programming an application for the Android. Now what I found out is that you cannot place resource objects, say, an image in the drawable folder and name it l

Answer 1

If you look at some of Googles app samples such as:

https://github.com/google/iosched

They use underscores. So.... maybe that is how we should be doing it?

Answer 2

I think if we use underscore convention for id in xml files and camel case convention for class fields then it will give better visibility to every developer to distinguish between xml ids and class fields.