MAD Flashcard 2 Practice Questions

Front

Which of the following patterns is used in Android Jetpack architecture? MVC, MVVM, MVP, MVI

Back

MVVM

Front

What is the purpose of separating UI logic from business logic?

Back

To ensure modularity and testability

Front

Which of the following is TRUE about ViewModel? It survives app closures, It holds references to UI components, It is destroyed when the screen is rotated, It survives configuration changes

Back

It survives configuration changes

Front

What is a correct use case of ViewModel?

Back

Handling screen-specific UI logic

Front

Which component should NOT be passed into a ViewModel? Options: Repository, SavedStateHandle, MutableStateFlow

Back

Context

Front

What determines the lifecycle of a ViewModel?

Back

Its ViewModelStoreOwner

Front

Which of the following is NOT a valid ViewModelStoreOwner? Fragment, NavBackStackEntry, Composable, Activity

Back

Composable

Front

.copy() do in a data class used for UI state?

Back

Duplicates the class with modified values

Front

What is Unidirectional Data Flow (UDF)?

Back

UI updates ViewModel and ViewModel updates UI state

Front

What makes StateFlow different from Flow?

Back

It always holds the latest value.