CodeHS Software Development and App Development Accreditations

Question 1

Which of the following is the primary programming language used for developing Android apps?

Accepted Answer

Kotlin

Answer

Swift

Answer

JavaScript

Answer

Python

Question 2

What is the purpose of the UIViewController class in iOS development?

Accepted Answer

To manage the layout and appearance of user interface elements

Answer

To handle the app's data storage

Answer

To define the app's navigation bar

Answer

To control the interaction between the app and the device hardware

Question 3

Which of the following is a mobile app development framework for building cross-platform apps using JavaScript?

Accepted Answer

React Native

Answer

SwiftUI

Answer

Xamarin

Answer

Flutter

Question 4

Which file extension is typically associated with an Android application package?

Accepted Answer

.apk

Answer

.exe

Answer

.dmg

Answer

.ipa

Question 5

In Xcode, which programming language is primarily used for iOS app development?

Accepted Answer

Swift

Answer

Java

Answer

Kotlin

Answer

Objective-C