How to define a macro globally in Objective-C?

Question

I want to define a macro globally. I want to override NSLocalizedString() throughout my whole project. Is that possible and how do I do it?

max_ · Accepted Answer · 2011-11-20 15:29:40Z

18

Declare the macro in the #ifdef __OBJC__ section of your AppName-Prefix.pch.

answered Nov 20, 2011 at 15:29

max_

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2 Comments

Hot Licks Over a year ago

But be careful about "renaming" a common class, etc. Such things can bite you in unexpected ways.

cschuff Over a year ago

Thx. I'll override NSLocalizedString to call the very same function. I'll just change the Bundle it will be called on since i'm trying to achieve in-app localization (switching languages on-the-fly within the app). You still think this could cause problems? Anyways I'm alarmed :)

debleek63 · Accepted Answer · 2011-11-20 15:32:34Z

You define your macro in some header file. You place this header file in *.pch file (prefix header file). Search for "prefix" in build settings for your target. Make sure your *.pch file is used.

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