Rebuilding project with eclipse

Hello there guys!
I searched around but couldn’t find the same problem, I was trying to recompile some changes I made to the helloworldscene.cpp, but every single time I did so, no changes were reflected, so I had to manually delete the obj folder, the contents of the lib folder, and the contents of the bin folder, then I had to run again the buid_natives.sh and then clean and rebuild my eclipse project. After all of this, the changes were shown, but I don’t think it should be such a long process, so could someone tell exactly which folders should I delete and update so I can speed up this process ??

Thanks in advance
JP

I think you can only run build_native.sh again to recompile the changed cpp files.
But you should pack new .so into .apk.