R.java Not Being Created

So I've been working on this project all day, and no problems. I add an id to a layout element in one xml file, which is not being recognized by the IDE (all other IDs are, but th

Solution 1:

If you have a corrupt XML-file and try to rebuild your R.* it will fail. You should go through your xml-files and make sure that they are all error-free.
It's likely you have a misspelling or other small problem somewhere that prevents the build.