When does a Prefs file get created by the NSUserDefaults defaults system?
When does a Prefs file get created by the NSUserDefaults defaults system?
- Subject: When does a Prefs file get created by the NSUserDefaults defaults system?
- From: Rob Frohne <email@hidden>
- Date: Fri, 29 Nov 2002 13:15:31 -0800
Hi All,
I'm having trouble with my application crashing when there has been a
Preferences file created. In trying to understand how things are
working and how they are supposed to work, I find that the following
code doesn't create a Preferences file, even on quitting the
application.
#import "test.h"
@implementation test
+ (void)initialize
{
//This doesn't seem to work.
NSUserDefaults *defaults = [NSUserDefaults
standardUserDefaults];
NSMutableDictionary *appDefs = [NSMutableDictionary dictionary];
[appDefs setObject:@"NO" forKey:@"First Setting"];
[appDefs setObject:@"YES" forKey:@"Second Setting"];
[appDefs setObject:@"SNR" forKey:@"Third Setting"];
[defaults registerDefaults:appDefs];
`
}
@end
I had thought that it was supposed to set these values as the default
preferences, but I guess I'm wrong. Later in the program when I write
changes to say the "First Setting" in the defaults database, a
Preferences file is created, and it contains that value, but not the
others.
How is this supposed to work? Any ideas what I'm doing wrong?
Thanks,
Rob
--
Rob Frohne, Ph.D., P.E.
E.F. Cross School of Engineering
Walla Walla College
http://www.wwc.edu/~frohro/
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