MobileSystemsQuiz2

What is the official programming language for iOS?

• Java

• Kotlin

• Swift

• C++

Which component represents a single screen with a user interface in an Android app?

• Broadcast receiver

• Activity

• Service

• Content provider

What is the purpose of a broadcast receiver in an Android app?

• To manage shared app data

• To perform long-running operations

• To respond to system-wide broadcast announcements

• To interact with the user

What is the message defined by an Intent object that describes an action to perform?

• Category

• Action

• Intent-filter

• Instruction

Which element is the root element of the AndroidManifest.xml file?

• <manifest>

• <application>

• <intent-filter>

• <action>

What must be declared in a manifest file for an Android app?

• The permissions needed by the app

• All of the above

• The app's package name

• The app's components

What does the element specify in a manifest file?

• The default icon and label for the app's components

• The hardware and software features used or required by the app

• The types of intents that an activity can respond to

• The permissions needed by the app

Where can the default icon and label for each of the app's components be set?

• element

• element

• element

• element

What is the purpose of the element in a manifest file?

• To specify the types of intents that an activity can respond to

• To add an action to an intent filter

• To add a category name to an intent filter

• To declare the app's package name

Where can the app's package name be declared in a manifest file?

• com.example.applicationName

• myPackage.com

• applicationName.PackageName

• Packages.Name