Question

The title pretty much explains it. Do I need to serialize the objects first, or is it possible?

Answer 1

You have to code/decode the objects in your object (which is in your array) with and archive the array to NSData.

Just add

<NSCoding>

to the Class of your Objects (in your array) and follow the warnings of your compiler 😀

Then archive your array like this:

NSData *data = [NSKeyedArchiver archivedDataWithRootObject:yourArray];
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
[defaults setObject:data forKey:@"yourKey"];


NSArray *array= [NSKeyedUnarchiver unarchiveObjectWithData:[defaults objectForKey:@"yourKey"];

Check this out http://soff.es/archiving-objective-c-objects-with-nscoding