Android Development Android UI and Layouts

Question 1

Which layout in Android arranges child views in a single row or column?

Accepted Answer

LinearLayout

Answer

LinearLayout arranges its child views sequentially in either a horizontal or vertical direction.

Question 2

What attribute is used to make a view occupy remaining space in a LinearLayout?

Accepted Answer

layout_weight

Answer

The layout_weight attribute distributes remaining space proportionally among views in a LinearLayout.

Question 3

Which view group is recommended for building flat, complex UI hierarchies in Android?

Accepted Answer

ConstraintLayout

Answer

ConstraintLayout allows you to create complex layouts with a flat view hierarchy, improving rendering performance.

Question 4

What is the purpose of the ViewBinding feature in Android?

Accepted Answer

To generate binding classes for XML layouts eliminating findViewById

Answer

ViewBinding generates a binding class for each XML layout file, providing type-safe references to all views with an ID.

Question 5

Which RecyclerView component is responsible for measuring and positioning item views?

Accepted Answer

LayoutManager

Answer

The LayoutManager in RecyclerView handles the layout strategy for its child views, such as linear, grid, or staggered arrangements.

Android Development Practice Test