Xcode 4 code sense is not working

Question

I am running a \"old\" Xcode 3 project in Xcode 4 and code sense is not working for my own classes. I have tried following:

• Clean/rebuild
• Remove Der

Answer 1

I wrote about it in detail here.

Basically my fix was that with localization. I upgraded from xcode 3.2.5 to xcode 4 and then screwed around with built in interface builder and turned on localization for a XIB file accidently which placed my source files in en.lproj directory. After moving them back to Classes folder it worked perfectly.