Recently I updated my eclipse Juno to Luna, but now the new project don't generate the android.R file. This probably caused by this AndroidManifest.xml error:
Error: No resource found that matches the given name (at 'theme' with value '@styles/AppTheme').
When I check the values folder, there is no styles.xml. This only happens with the new projects, the existing projects (which I created in Juno) work fine. I've tried updating everything in SDK manager, but I still get the error.