Objective-C: how to group a series of string constants?

Question

I defined a series of string constants like below, in macro way,

#define EXT_RESULT_APPID  @\"appid\"
#define EXT_RESULT_ERROR_CODE  @\"errorcode\"
#define         


        

Answer 1

You may create a header file name "Constants.h". Then you need to import this header file where you want to use these constants like:

#import "Constants.h"