Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

12 Questions

1 Views

Lesson 5 - Layouts

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What can a RecyclerView do to make scrolling more performant?

Animate item views

Destroy item views

Recycle item views (correct)

Create new item views

What function does onBindViewHolder perform in a custom RecyclerView.Adapter?

Create a new view

Destroy the view

Remove the view from the list

Bind the view with new values (correct)

What is the purpose of a custom Adapter extending from RecyclerView.Adapter?

Supplies data and layouts for the RecyclerView (correct)

Deals with screen densities

Handles scrolling in RecyclerView

Manages animations in RecyclerView

In what way do you specify the lengths in dp for your layout?

Using density-independent pixels (dp) Signup and view all the answers

What is put in a pool to be recycled when an item is scrolled offscreen in a RecyclerView?

Item view Signup and view all the answers

What feature allows multiple views to be positioned relative to a single guide?

ConstraintLayout constraints Signup and view all the answers

What are density-independent pixels (dp) in Android?

Pixels that take screen density into account Signup and view all the answers

Why is using ConstraintLayout recommended in Android development?

To improve UI responsiveness and avoid slowdown Signup and view all the answers

What is the purpose of Chains in ConstraintLayout?

To align views horizontally and vertically Signup and view all the answers

How are deeply nested ViewGroups in Android related to UI performance?

They cause UI slowdown and lack of responsiveness Signup and view all the answers

In ConstraintLayout, what does 'layout_constraintTop_toTopOf' attribute do on a TextView?

Aligns the top of the TextView to the parent's top edge Signup and view all the answers

What issue does using Density-independent pixels (dp) address for Android developers?

Inconsistent dimensions across devices Signup and view all the answers