Android Development Quiz

What is the default entry point of an Android application?

• onCreateView()

• onStart()

• onCreate()

• onResume()

Which XML attribute is used to set the text in a TextView?

• android:caption

• android:text

• android:label

• android:title

In Kotlin, what does val represent?

• Mutable variable

• Immutable variable

• Function

• None of the above

Which of the following is a valid way to declare a function in Kotlin?

• function myFunc(): Int {}

• fun myFunc(): Int { return 0 }

• def myFunc(): Int = 0

• var myFunc(): Int = {}

What is the use of LiveData in Android?

• It is a data storage library

• It observes and updates UI when data changes

• It replaces RecyclerView

• It is used for animations

Which is the parent class of all Android UI components?

• Activity

• ViewGroup

• View

• Fragment

What does dp stand for in Android development?

• Device Pixel

• Density-Independent Pixel

• Digital Pixel

• Display Pixel

Which of the following is NOT an Android UI layout?

• ConstraintLayout

• FrameLayout

• RelativeLayout

• DisplayLayout

Which lifecycle method is called when an activity is no longer visible to the user?

• onStop()

• onDestroy()

• onPause()

• onResume()

Which of the following is used to navigate between Android activities?

• RecyclerView

• Fragment

• Intent

• DataBinding