Crowdly

Select the correct version of the

platform-specific code to set text color styles:

How can you check the platform at runtime in a

React Native component?

By importing platform-specific modules

None of the above

By using Platform.isIOS and Platform.isAndroid

properties

By calling Platform.check() method

What is the purpose of the Platform.select() method in React Native?

To select the platform for testing the app

To select the platform for building the app

None of the above

To select platform-specific code blocks or

values

How can you apply platform-specific styles to a

component in React Native?

Using conditional styles with Platform.OS

By importing platform-specific style files

All of the above

Using the Platform.StyleSheet object

Choose the main React

Native approaches to writing platform-specific code:

all of the above

using Dimensions API

using platform-specific

file extensions

using useWindowDimensions hook

using the Platform

module

Consider the following code snippet:!

What will the value of the dimensions variable be after the component has mounted?

It will be null

It will be an object with width and height

properties

It will be undefined

It will be an empty object

This code is incorrect - there will be an error

How can you use the useWindowDimensions()

hook to

dynamically adjust styles based on screen dimensions in React Native?

By directly using useWindowDimensions().width

and useWindowDimensions().height in styles

All of the above

By creating custom functions to calculate

dimensions

By using media queries like in CSS

How often does the useWindowDimensions()

hook

update its values in a React Native component?

Every 1 second

On every render

On component mount only

Only when the screen dimensions change

useWindowDimensions() hook instead of the Dimensions API in React Native?

When should you use the

None of the above

When you need to access

dimensions only once

When you need to

dynamically respond to changes in dimensions

Both answers