Apple Mach-O Linker Error

Question

I am trying to integrate Twitter into my application and keep getting the following errors. Thanks for your help.

"_ OBJC_CLASS _ $ _ TWTweetComposeViewController" referenced by: objc-class-ref in PreviewViewController.o ld: character not found for armv7 architecture clang: error: linker command did not work with exit code 1 (use -v to call the call)

Answer 1

Have you added Twitter.framework?