Add Settings to an iOS project

Just find a very nice article about the subject: 
Adding a settings bundle to an iPhone App 

Please pay attention on the paragraph "Even defaults need defaults…" - that's what I needed in my app. Recently I found out that the default values I set for the settings do not work - a boolean parameter is always NO and does not matter that I set it to YES. This boolean parameter gets its default value only when the user opens the application settings for the first time. This article proposes a solution.

The source documentation in the iOS Developer Library: 
Preferences and Settings Programming Guide 

iOS Developer Library proposes an example: FunHouse. Here is a method from this sample:

+ (void)setupDefaults

{

    NSDictionary *userDefaultsValuesDict;

    userDefaultsValuesDict=[NSDictionary dictionaryWithObject:

              [NSNumber numberWithBool:NO] forKey:@"useSoftwareRenderer"];

    

    // set them in the standard user defaults

    [[NSUserDefaults standardUserDefaults] 

              registerDefaults:userDefaultsValuesDict];

}

Looks promising.
(Do not forget to uninstall your app from the phone and then install again in order to test changes in this code.)

In my app, I just expect that all boolean values from the app preferences are NO by default. My code looks so:

- (void)loadDebugSettings

{

    self.cleanBackupOn = NO;

    self.devServer = NO;

    self.logCommunicationOn = NO;

    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];

    if ( defaults )

    {

        self.cleanBackupOn = [defaults boolForKey:@"AutoCleanBackupData"];

        self.devServer = [defaults boolForKey:@"DevServerOn"];

        self.logCommunicationOn = ![defaults boolForKey:@"LogCommunicationOf"];

    }

}

Now, if I need one of these values to be YES, I use registerDefaults: