This is FIrst time i try to create Cocoa Touch Static Library and follow these steps.

1. Create New Project with Cocoa Touch Static Library named it By default i got single class with Demo.h and Demo.m.

2.Create a public function in .h and implement it in .m.

3.Select iOS Device and press cmd + B.

4.Copy Demo.a from products and the .h file drop it in my iOS App where i want to use it.

5.Then Import Demo.h and try to call the function that i wrote.

Issue

When try to Run the project showing this error.

ld: warning: ignoring file /Users/Zenga/Documents/iOS/Static Library/myAppwithLib/Demo.a, file was built for archive which is not the architecture being linked (i386): /Users/Zenga/Documents/iOS/Static Library/myAppwithLib/Demo.a
Undefined symbols for architecture i386:
  "_OBJC_CLASS_$_Demo", referenced from:
      objc-class-ref in ViewController.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Please help if anyone have any idea about it.