nsuserdefaults - How to unarchive data in swift 3? -

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i have app save array of cncontact userdefaults such:

var contactsarray = [cncontact]() let defaults = userdefaults() func (contact: cncontact){     contactsarray.append(contact)     let contactarrayarchive = nskeyedarchiver.archiveddata(withrootobject: contactarray) //archive data     defaults.set(contactarrayarchive, forkey: "contactarray")     defaults.synchronize() }

this archives data allow saved defaults. issue how can convert data array of cncontact in viewdidload. have seen many answers online suggest use nskeyedarchiver.unarchiveobjectwithdata typing xcode, swift 3, says .unarchiveobjectwithdata not member of nskeyedarchiver. keep looking stuff how in swift 3 have been unsuccessful. how can unarchive value?

you can use 

 nskeyedunarchiver.unarchiveobject(with: data)

you have used nskeyedarchiver . cannot use unarchive object.


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