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Asked: 2026-05-18T23:29:37+00:00

I would like to define tasks using NSDictionary, which I’d like to save in

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I would like to define tasks using NSDictionary, which I’d like to save in a plist file (I didn’t have much luck with Core Data so far), but got stuck at two points:

— When using initWithObjectsAndKeys: I can change the data type to number or boolean, using NSDate’s numberWithInt: and numberWithBool: methods, respectively. I can’t seem to find the method to change the type to date though. I couldn’t find anything like that in the documentation.

— The second problem I ran into was with the nested arrays. How can I add them to the dictionary?

I have uploaded a picture to here of what I am trying to achieve. Thank you in advance!

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  1. Editorial Team

    Do you mean NSNumber‘s +numberWithInt: and +numberWithBool: methods, not NSDate? It’s NSNumber that defines those methods.

    To convert a number to a date, it really depends on what the number is. If it’s a UNIX timestamp, then [NSDate dateWithTimeIntervalSince1970:theTimestampInSeconds].

    As for adding NSArray objects to a dictionary:

    [yourDictionary setObject:yourArray forKey:@"SomeKey"];

    You’ll have to post some code if you need more help as your question isn’t very clear.

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