Ok, I am working on a new app and everything worked fine as long as I used a Relative View. However, I want a tabbed layout so I switched what I had (not much so far since
I have a few suggestions:
Make sure you don't have any other errors other than the R-related errors. Right-click your project folder in Eclipse, Android Tools -> Fix Project Properties.
Check to make sure you have the correct R imported. Sometimes the default Android.R can be imported.
Check for errors in your layout XML files.