iOS Dev 27: UserDefaults for Data Persistence | Swift 5, XCode 12

In this video, we learn how to persist data through app launches using the UserDefaults.

We start by learning how to store a value of a basic type (Boolean), then we move on to storing values of a custom structure type (User)

We also learn multiple ways of abstracting complexities either as an extension, or by creating a manager.

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Video Content
1. Introduction 00:00
2. Project Setup & Reason for Data Persistence 0:42
3. Saving Data to UserDefaults Database 04:10
4. UserDefaults Extension 13:31
5. Storing a Custom Type 19:15
6. Conclusion 33:42
7. Bloopers 36:26

[olajideosho]

Good Morning Emmanuel. Great Stuff. I have a question. At 17:35, Please why is it that we cannot access the computed property isOn directly from the UserDefaults class since that is what we extended instead of going through the standard singleton?

[soultanmuhammadalbar]

cool! it's so helping. By the way, is there any source code for this tutorial? Thanks

[cancihancelebi]

what newValue ? for first open switch on.
thank you.

set {
UserDefaults.standard.setValue(newValue, forKey:
}