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 spent two days trying to solve this issue after updating ADT. finally i was lucky to get this post here:
https://code.google.com/p/android/issues/detail?id=55304
which led me in the right direction. when you follow the solution - remember to replace the android support library of all your projects to the same version (remove it and re-install it to the projects). i hope this helps - good luck