For the More Curious: NSBundle’s Role in Internationalization
The real work of adding a localization is done for you by the class NSBundle. For example, when a UIViewController is initialized, it is given two arguments: the name of a XIB file and an NSBundle object. The bundle argument is typically nil, which is interpreted as the application’s main bundle. (The main bundle is another name for the application bundle – all of the resources and the executable for the application. When an application is built, all of the lproj directories are copied into this bundle.)
When the view controller loads its view, it asks the bundle for the XIB file. The bundle, being very smart, checks the current language settings of the device and looks in the appropriate ...
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