Problem with R.java

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Import as "Existing Android Code Into Workspace" in Eclipse
2. Update the reference libraries as indicated in the README
3. Run as "Android application" with the emulator

What is the expected output? What do you see instead?
I thought this would let me test the calculator. Instead, I get a message 
saying "Your project contains error(s), please fix them before running your 
application". The error seems to be related to the R.java file. So I tried to 
use the clean functionality, without success. 

What version of the product are you using? On what operating system?
I am using the latest version of scientific-calculator (the one available this 
morning, on Ubuntu, with Eclipse, and Goolge API n°22. 

I am a beginner on Android and I am not very skilled. I am sure my mistake is 
stupid, but I cannot find elsewhere what could have gone wrong. Thank you.  

Please provide any additional information below.

Original issue reported on code.google.com by corentin...@gmail.com on 15 May 2015 at 12:34