Sorry for the wonky subject. It's easier to explain in code:
NSNumber* innerKey = [NSNumber numberWithInt:0] ;
NSDictionary* dic = [NSDictionary dictionaryWithObject:@"Hello"
forKey:innerKey] ;
[[NSUserDefaults standardUserDefaults] setObject:dic
forKey:@"outerKey"] ;
Result:
*** -[NSUserDefaults setObject:forKey:]: Attempt to insert non-property value '{
0 = Hello;
}' of class 'NSCFDictionary'.
If I change innerKey to a string such as @"0", then all works fine.
In my opinion, after reading the documentation carefully, this exception is a
false alarm. First of all, NSCFDictionary *is*, as required, one of the
"property list" objects: NSData, NSString, NSNumber, NSDate, NSArray, or
NSDictionary. Furthermore, all of its objects and keys are themselves property
list objects. Furthermore, NSNumber conforms to NSCopying protocol, as
required for dictionary keys.
Is there some other requirement that I missed?
Jerry Krinock
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