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Answer 1

+1 A:

Set the AppleLanguages array in the application's user defaults to contain the one you'd prefer to use, and set an appropriate AppleLocale string in the defaults too. Having said that, why use a localisation which isn't the one the user prefers?

Graham Lee 2009-08-20 11:46:24

The concept of a "user" is misleading for this app, as it assumes the user owns the machine. This is a kiosk style app run on my companies hardware, which is always set to the same locale. There is a central configuration which dictates all settings, including the GUI language.

Prof. MAAD 2009-08-20 12:17:31

One reason is to test localization changes, such as to make sure a string received from a localizer fits into the control where it's displayed in the UI, or to make sure you didn't break anything while repeating a non-string edit across multiple localizations of a nib.

Peter Hosey 2009-08-20 12:44:00

@Peter: yes, I do that myself. But that's not the use case that I inferred from the question.

Graham Lee 2009-08-20 16:13:50

Answer 2

A:

I tried setting "AppleLocale" and "AppleLanguages" with something like the following:

[[NSUserDefaults standardUserDefaults] setObject:[NSArray arrayWithObject:@"en"] forKey:@"AppleLanguages"];
[[NSUserDefaults standardUserDefaults] setObject:@"en_US" forKey:@"AppleLocale"];

It did nothing though, still the language and locale from the system preferences are used.

Prof. MAAD 2009-08-20 12:33:02

Seems to work, but only after restarting the program.Meaning: First time the program starts with changed settings it sets the user defaults using the above code. Subsequent calls to NSLocalizedString dont use the newly set language/locale though, until I restart the program.

Prof. MAAD 2009-08-20 12:37:57

Answer 3

A:

according to MAAD's answer. I tested in my app and found the only key that affects is AppleLanguages

so

[[NSUserDefaults standardUserDefaults] setObject:[NSArray arrayWithObject:@"en"] forKey:@"AppleLanguages"];

is enough.

Remember to restart your app to make user defaults take effects.

xhan 2010-08-22 03:04:04

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Use specific localization in Cocoa app

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