I had the same problem recently. First as justin told you, make sure that you are not importing android.R class instead of your R class in your program. Then check if your res directory works fine, any problem in this directory will cause build to fail and R wont be re-built.
for instance my problem was that downgrading from 1.6 to 1.5 made the resolution screen support folder (drawable-ldpi etc...) unvalid so R wasn't generated. Hope this help Lucas -- You received this message because you are subscribed to the Google Groups "Android Beginners" group. NEW! Try asking and tagging your question on Stack Overflow at http://stackoverflow.com/questions/tagged/android To unsubscribe from this group, send email to android-beginners+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en