NoClassDefFoundError - Eclipse and Android

Question

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

Answer 1

Right click your project folder, look for Properties in Java build path and select the jar files that you see. It has worked for me.

Answer 2

I got the exact same problem ... To fix it, I just removed my Android Private Libs in "build path" and clicked ok ... and when i opened op the "build path" again eclipse had added them by itself again, and then it worked for me ;)...

Answer 3

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