MOBILE SYSTEMS HANDOUT 2

Which programming language is the official language for iOS development?

• Java

• Swift

• C++

• Kotlin

What is the entry point for interacting with the user in an Android app?

• Service

• Broadcast receiver

• Content provider

• Activity

Which component runs in the background to perform long-running operations in an Android app?

• Broadcast receiver

• Activity

• Content provider

• Service

What is used to declare variables in Kotlin that never change?

• var

• val

• let

• const

Which component manages a shared set of app data that can be accessed by other apps?

• Activity

• Service

• Content provider

• Broadcast receiver

What is a message defined by an Intent object in Android development?

• Intent category

• Intent filter

• Intent action

• Intent data

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

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

• App's developer name

• App's package name

• App's release date

• App's version number

Which element specifies the types of intents that an activity, service, or broadcast receiver can respond to?

What is the default icon and label for each of the app's components set in the element?