How to build Static Library project in iOS

Reference:

http://www.icodeblog.com/2011/04/07/creating-static-libraries-for-ios/

http://blog.carbonfive.com/2011/04/04/using-open-source-static-libraries-in-xcode-4/#namespace_classes_appropriately

Video:

http://www.youtube.com/watch?v=fFn2o0aEbRQ