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Removing preferences belonging to your app

/ Published in: Objective C
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Remove all the keys of the application’s preferences file from ~/Library/Preferences with Cocoa’s NSUserDefaults class.

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  1. NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
  2. NSArray *keys = [[defaults dictionaryRepresentation] allKeys];
  3.  
  4. int i, count = [keys count];
  5. for (i = 0; i < count; i++) {
  6.    [defaults removeObjectForKey:[keys objectAtIndex:i]];
  7. }
  8.  
  9. [defaults synchronize];

URL: http://www.starcoder.com/wordpress/2007/02/13/removing-preferences-belonging-to-your-app/

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