Jetpack Compose quiz

Test your Jetpack Compose knowledge with a free interactive quiz — 25 questions with answers and explanations. No signup needed to play.

What are `Column` and `Row` used for in Compose layouts?

1. What are `Column` and `Row` used for in Compose layouts?
2. What does `remember { }` do inside a Composable function?
3. What is Jetpack Compose?
4. What is a `ViewModel` typically used for in an Android app built with Jetpack Compose?
5. What is `LazyColumn` used for in Compose?
6. What is a `@Composable` function?
7. What is "recomposition" in Jetpack Compose?
8. What does `by` (as in `var count by remember { mutableStateOf(0) }`) provide via Kotlin property delegation in Compose?
9. How do you display a piece of text on screen in Compose?
10. What is `mutableStateOf()` used for in Compose?
11. What does `@Preview` do when added to a Composable function in Android Studio?
12. What is `Modifier` used for in a Composable function call?

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