React Native React Native Core Components & APIs

Question 1

Which React Native component is the basic building block for creating UI layouts?

Accepted Answer

View

Answer

Container

Answer

Box

Answer

Frame

Question 2

What prop is used to style a React Native component inline?

Accepted Answer

style

Answer

className

Answer

css

Answer

theme

Question 3

Which component is used to display scrollable lists efficiently in React Native?

Accepted Answer

FlatList

Answer

ScrollView

Answer

ListView

Answer

List

Question 4

What is the purpose of the TouchableOpacity component in React Native?

Accepted Answer

To create pressable elements with opacity feedback

Answer

To make elements transparent

Answer

To animate views

Answer

To create modal dialogs

Question 5

Which React Native API is used to handle device back button presses on Android?

Accepted Answer

BackHandler

Answer

DeviceEventEmitter

Answer

AndroidBack

Answer

NavigationBack

Question 6

What does the keyExtractor prop do in a FlatList component?

Accepted Answer

Provides a unique key for each list item

Answer

Sorts list items by key

Answer

Filters items by key value

Answer

Groups items by category