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I declare some constants in a header file which need to be different depending on whether it is an iPad or an iPhone app. How would I do this?
i.e.
#ifdef ISIPAD
static NSString myconst = @"ipad!";
#else
static NSString myconst = @"iphone!";
#endif
If you’re writing an universal app, you can’t do a compile time check since the compiler generates one executable for both the iPhone and the iPad. If you’ve got separate apps for iPhone and iPad (with a shared codebase), why not just #define ISIPAD appropriately yourself. Otherwise, you have to do a check at runtime.
You could make them global variables that get initialized when your app starts up by checking to see which device you’re running on then setting them appropriately.