Android app develeopment Internal Practice Quiz

Which Android component is responsible for handling background tasks like playing music or fetching data from the internet?

• Service

• Activity

• Spinner

• Intent

Folder in which images getting placed in android studio:

• res

• drawable

• manifest

• gradle

Which keyword is use to declare variable in Kotlin?

• var

• variable

• #

• $

What is the correct syntax for a lambda expression in Kotlin?

• { x + y }

• x, y -> x + y

• x -> y + x       

• { x, y -> x + y }

Adapter acts like a bridge between a data source and ________

• Source Code

• User

• User Interface

• View

It is a lower layer of android OS:

• Memory

• Linux Kernel

• API

• Libraries

Which type of Intent is used to launch a new Activity in Android?

• Implicit

• Explicit

• Broadcast

• Both Implicit & Explicit

What is the default visibility of properties and functions in Kotlin classes if not explicitly specified?

• public

• Private

• Protected

• implicit

Which function is used to start a new activity in Kotlin for Android?

• resumeActivity()

• endActivity()

• callActivity()

• startActivity()

________ are the functions without name in Kotlin.

• non-parameterized

• parameterized

• lamba

• anonymous