MAD QUIZ -IV KU

What is the primary purpose of a ViewGroup in Android?

• To manage fragments
• To store user data
• To contain and organize views
• To perform background tasks

Which of the following is a key feature of Kotlin that helps prevent null reference errors?

• Extension functions
• Null Safety
• Coroutines
• Higher-Order Functions

What does the PendingIntent class in Android do?

• Schedules background tasks
• Holds a single activity
• Defers APK generation
• Allows another app to execute predefined code

What is the main use of ConstraintLayout in Android?

• To handle user input
• To enable swipe gestures
• To create complex layouts
• To manage app resources

What is a RecyclerView commonly used for in Android development?

• Displaying a single image
• Displaying large sets of data efficiently
• Managing app navigation
• Handling background services

In Kotlin, what is a data class primarily used for?

• Performing network operations
• Holding and managing data
• Creating custom UI elements
• Handling background tasks

Which Android component is used for handling periodic tasks, even after app exit or device reboot?

• WorkManager
• BroadcastReceiver
• Intent
• Service

What is the purpose of the Elvis Operator in Kotlin?

• Handling asynchronous tasks
• Checking for non-null values
• Providing a default value for null expressions
• Implementing inline functions

What does ViewModel help with in Android architecture?

• Storing UI-related data during app lifecycle changes
• Managing user input
• Rendering complex graphics
• Handling network requests

What is the function of a Snackbar in Android UI design?

• Displaying notifications
• Providing brief feedback at the bottom of the screen
• Navigating between screens
• Performing network tasks