SwiftUI Data Persistence Tutorial

Take this quiz to test your knowledge of persistent data storage in SwiftUI using the @AppStorage and @SceneStorage property wrappers.

1. 
What is required for a custom type to be stored using @AppStorage?

2. 
Which storage property wrapper would you use for saving user-selected settings in a SwiftUI app?

3. 
What should you do if you need to store a non-supported type using @AppStorage?

4. 
How can you decode a custom type stored as Data using @AppStorage?

5. 
What happens to the data stored using @AppStorage when the app is terminated?

6. 
Which property wrapper should be used to store data that needs to persist between app sessions and be shared across different scenes?

7. 
How does @AppStorage affect the user interface when its stored value changes?

8. 
Which method is used to encode a custom type before storing it using @AppStorage?

9. 
Which of the following is NOT a valid use case for @AppStorage?

10. 
What will happen if data stored using @SceneStorage is not restored correctly after an app restart?

11. 
Why would you use @SceneStorage for a text input field in SwiftUI?

12. 
What must be configured in Xcode to share data using @AppStorage across multiple apps?

13. 
Which SwiftUI property wrapper should be used to store data that needs to be retained only for the duration of a specific scene?

14. 
What is the primary purpose of the @SceneStorage property wrapper in SwiftUI?

15. 
What is a key limitation of the @SceneStorage property wrapper?

16. 
Which property wrapper would you use to store user preferences globally across the app?

17. 
What is the advantage of using @SceneStorage in a multi-window app?

18. 
How can you store custom types using @AppStorage or @SceneStorage?

19. 
What happens to data stored with @AppStorage when the app moves to the background?

20. 
How is data stored using @SceneStorage preserved when the app is terminated?

21. 
Which types of data can be directly stored using @AppStorage and @SceneStorage?

22. 
How can you make data stored with @AppStorage shareable between multiple apps?

23. 
What is a key difference between @AppStorage and @SceneStorage in SwiftUI?

24. 
How is data stored using the @AppStorage property wrapper?

25. 
What type of data does the @SceneStorage property wrapper store?

26. 
Which SwiftUI property wrapper is used for data that is accessible throughout the entire app?

Congratulations on completing the SwiftUI Data Persistence Tutorial.

Click the Submit button to review your results.

Enter your email address below if you would like to receive a copy of your test results.


Categories