App Architecture (UI Layer)

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01. Architecting on the Fly
02. Looking Forward
03. Lesson Introduction
04. Exercise: Tour of the App
05. Where the App Falls Short
06. What is Architecture
07. Our App Architecture
08. ViewModel
09. Quiz: ViewModel
10. Exercise: Create the GameViewModel
11. What Belongs in the GameViewModel?
12. Exercise: Populate the GameViewModel
13. The Benefits of a Good Architecture
14. The Power and Limits of the ViewModel
15. LiveData
16. Exercise: Add LiveData to GameViewModel
17. Lifecycle Awareness
18. Exercise: Add LiveData Encapsulation to GameViewModel
19. Event vs. State
20. Exercise: Add End Game Event
21. Google Interview: Yigit Boyar
22. Adding a Timer
23. Exercise: Add CountDownTimer
24. Exercise: Add a ViewModelFactory
25. Exercise: Add ViewModel to Data Binding
26. Exercise: Add LiveData Data Binding
27. Exercise: LiveData Map Transformation
28. Quiz
29. Optional Exercise: Adding the Buzzer
30. Recap of Architecture and Lifecycles

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28. Quiz

Which method allows the UI to track and respond to changes in the ViewModel

observe

bind

listen

None of the above

SOLUTION:

observe

Which method allows the UI to track and respond to changes in the ViewModel

MutableLiveData directly

MutableLiveData with custom getter

LiveData with custom getter

LiveData directly

SOLUTION:

`LiveData` with custom getter

A notiifcation is an example of a(n)…

Event

State

Either Event or State

Neither Event nor State

SOLUTION:

Event

Game Over is an example of a(n)..

Event

State

Either Event or State

Neither Event nor State

SOLUTION:

Either Event or State

Paused is an example of a(n)..

Paused is an example of a(n)

Event

State

Either Event or State

Neither Event nor State

SOLUTION:

Event

Skip Forward is an example of a(n)…

Event

State

Either Event or State

Neither Event or State

SOLUTION:

Event

ViewModels persist through configuration changes

True

False

SOLUTION:

True

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