what is static library in iphone sdk?

I want to know what is static library in iphone sdk? for example I want 开发者_StackOverflowto create common XML parser, convert it as .a extension library.If i share it to another developer, he can use it he cannot see my code..is it possible in static library creating.I followed the link1 link2

That's possible in iOS,

The library is written in C and compiles with Makefiles, Usually they are open source library. for more read the static library.

See blog post for creating static library in iOS Creating Static Libraries For iOS Universal Static Libraries in iPhone