This quiz tests your knowledge of CompositionLocal in Jetpack Compose, focusing on its use in managing state across composable hierarchies. Topics covered include the purpose of CompositionLocal, when to use compositionLocalOf versus staticCompositionLocalOf, the advantages and limitations of this approach, and practical examples of how to implement and access CompositionLocal values in different branches of a composable tree.
1.
What is a key advantage of using CompositionLocal over passing state down directly?
2.
What is the effect of refreshing the Preview panel in Android Studio after modifying CompositionLocal values?
3.
What does staticCompositionLocalOf provide?
4.
What is the purpose of CompositionLocal in Jetpack Compose?
5.
When should you use staticCompositionLocalOf() instead of compositionLocalOf()?
6.
What happens when the value of a CompositionLocal changes?
7.
What is the default behavior of state declared using CompositionLocal?
8.
What type of value does CompositionLocal store?
9.
Which object can provide a value to a CompositionLocal?
10.
Which of the following is an example of using CompositionLocal incorrectly?
11.
In which scenario is compositionLocalOf() preferred over staticCompositionLocalOf()?
12.
What happens if a CompositionLocal value is not provided?
13.
How is the value of a CompositionLocal accessed in a composable?
14.
What is a disadvantage of using staticCompositionLocalOf for frequently changing state?
15.
What is the function used to create a CompositionLocal instance?
16.
Which of the following is a benefit of using CompositionLocal?
17.
What is the role of the default value in compositionLocalOf()?
18.
What does CompositionLocalProvider do?