NSCoding Tutorial for iOS: How to Permanently Save App Data

Oct 15 2018 , Swift 4.2, iOS 12, Xcode 10 Swift 4.2, iOS 12, Xcode 10

In this NSCoding tutorial, you’ll learn how to save and persist iOS app data so that your app can resume its state after quitting. By Ehab Amer.

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NSCoding Tutorial for iOS: How to Permanently Save App Data

25 mins

Where to Go From Here?

NSKeyedArchiver and NSKeyedUnarchiver classes are not the only way to encode and decode data to a be easily written on disk. There are many other formats like JSON.

The easiest way to serialize Swift models to JSON is by conforming to Codable. To learn how this works, see our tutorial about it.

I hope you enjoyed this tutorial. If you have any questions or comments, please don’t be “scared” and join the forum discussion below. :]