Archiving / Unarchiving results in initForReadingWithData incomprehensible archive

Question

I\'ve implemented an save on applicationWillTerminate and load on applicationWillFinishLoading. There is a complete object tree, all implement the

Answer 1

For the bool and int, there are two methods: encodeBool:forKey: and encodeInt:forKey: (taken from the NSKeyedArchiver reference).

For the NSMutableData, you should archive them with encodeObjectForKey: and unarchive them with decodeObjectForKey:.

You can refer to this useful guide for more cases.