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
This happens quite very often to me.
Last time that happened I can remembered was caused by switching the Eclipse ADT (Google special edition) to Android Studio, and switching back. I basically tried all methods that I can found on stackoverflow which didn't work for me.
Eventually, I got the app working again (no more NoCalssDeffoundError) by switching my IDE to original Eclipse (Kepler) with ADT.