I\'m having a problem trying to run an Android app which, up until adding a second external library to its build path, was working fine. Since having added the scoreninja ja
I tried everything from this post (and some other posts), and it didn't worked for me, this is by far the most terrible ADT upgrade I have experienced, and I will never upgrade without a working ADT backup.
I managed to solve it by removing the project, and then adding it again using a source backup I had.