Get "does not implement methodSignatureForSelector" when try to store Array in NSUserDefaults,Swift?

Question

I try to store Array of objects in NSUserDefaults.

I have following snippets of code:

    var accounts = MyAccounts()
    var array:Array<MyAccounts.MyCalendar> =  accounts.populateFromCalendars()

    NSUserDefaults.standardUserDefaults().
          setObject(array, forKey: "test_storeAccounts_array") // <- get error here
    NSUserDefaults.standardUserDefaults().synchronize()

But I get Exception:

does not implement methodSignatureForSelector: -- trouble ahead

---

my class structure:

class MyAccounts {

   /* ... */

    class MyCalendar {
        var title:String?
        var identifier:String?
        var email:String?
        var calType:String?
        var isActive:Bool?
        var isMainAcount:Bool?

        init(){}
    }
}

Any ideas?

question from:https://stackoverflow.com/questions/25382013/get-does-not-implement-methodsignatureforselector-when-try-to-store-array-in-n

Answer 1

Make sure your class inherits from NSObject

class MyAccounts:NSObject {

   /* ... */

    class MyCalendar {
        var title:String?
        var identifier:String?
        var email:String?
        var calType:String?
        var isActive:Bool?
        var isMainAcount:Bool?

        init(){}
    }
}