Why You Should Use This Android Test

The Android Online test saves expensive engineering time by filtering out unqualified Android programmer candidates. The Adaface Android Online test screens candidates for the typical skills hiring manager look for in an Android developer: Java or Kotlin fundamentals Object-oriented programming in Java or Kotlin Core UI components: dialogues, spinners, text fields, buttons Android building blocks: Activities and Activity lifecycle Designing layouts and views: constraint layout, recycler views, list views, scroll views, card views Developing background tasks, triggering events, sending notifications Enhancing user experience with fragments- when, why and how to use fragments Saving, retrieving and updating user data using shared preferences, SQLite and Room Reading and parsing raw resources or asset files Use popular libraries to play videos, download website data, manipulate images for interactive components Using themes and styles: Material design principles MVC and MVVM architectures Using Reactive View Models with Presenters Developing miniature app views with widgets Getting data from device sensors: accelerometer, location Working with databases and backend servers Managing user permissions Exception handling in Android Debugging and testing Android apps; system logs, breakpoints, inspecting variables, automated tests Along with these Android-specific skills, the test includes MCQ questions and coding questions to evaluate hands-on Java or Kotlin programming skills.

Android Online Test

About the test:

The Android Online Test evaluates a candidate's ability to design Android user interfaces, implement navigation strategies, use themes and styles, schedule tasks, trigger events, create input forms, save user data, interact with REST APIs, and design advanced UX with fragments, widgets and sensors. The test uses scenario-based MCQ questions to assess experience with debugging, testing, staging and publishing apps on the Play store. The test is customized to include code-tracing MCQ questions to evaluate Java or Kotlin fundamentals and coding questions to evaluate hands-on Java or Kotlin programming skills based on the requirements of your open role.

Covered skills:

Android core (Activities; Layouts; Views)
Handling user interactions
MVP / MVVM architecture using reactive View Models
Advanced components (Fragments; Widgets; Sensors)
Performance optimizations
permissions and services
Debugging and testing

Android user experience design (Lifecycle; Navigation)
Background tasks and triggers
Data management (Shared preferences; SQLite; Room)
Exception handling
Notifications
Concurrency and multithreading fundamentals
Publishing apps on Google Play

See all covered skills

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9 reasons why

Adaface Android Online Test is the most accurate way to shortlist Android Developers

Reason #1

Tests for on-the-job skills

The Android Online test saves expensive engineering time by filtering out unqualified Android programmer candidates. The Adaface Android Online test screens candidates for the typical skills hiring manager look for in an Android developer:

Java or Kotlin fundamentals
Object-oriented programming in Java or Kotlin
Core UI components: dialogues, spinners, text fields, buttons
Android building blocks: Activities and Activity lifecycle
Designing layouts and views: constraint layout, recycler views, list views, scroll views, card views
Developing background tasks, triggering events, sending notifications
Enhancing user experience with fragments- when, why and how to use fragments
Saving, retrieving and updating user data using shared preferences, SQLite and Room
Reading and parsing raw resources or asset files
Use popular libraries to play videos, download website data, manipulate images for interactive components
Using themes and styles: Material design principles
MVC and MVVM architectures
Using Reactive View Models with Presenters
Developing miniature app views with widgets
Getting data from device sensors: accelerometer, location
Working with databases and backend servers
Managing user permissions
Exception handling in Android
Debugging and testing Android apps; system logs, breakpoints, inspecting variables, automated tests

Along with these Android-specific skills, the test includes MCQ questions and coding questions to evaluate hands-on Java or Kotlin programming skills.

Reason #2

No trick questions

Traditional assessment tools use trick questions and puzzles for the screening, which creates a lot of frustration among candidates about having to go through irrelevant screening assessments.

The main reason we started Adaface is that traditional pre-employment assessment platforms are not a fair way for companies to evaluate candidates. At Adaface, our mission is to help companies find great candidates by assessing on-the-job skills required for a role.

Why we started Adaface ->

Reason #3

Non-googleable questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

These are just a small sample from our library of 10,000+ questions. The actual questions on this Android Online Test will be non-googleable.

🧐 Question
Easy Intent & Activity	Solve
We want to pass a value to next activity in Android. Which of the following options are the right way to do it? Options: A B C D
Easy Linear Layout	Solve
Check the following XML layout file. What will the UI for this layout file look like? 1. An edit text to the right of a text view and a button beneath them 2. An edit text to the right of a text view and a button to the right of the text view 3. A text view, an edit text beneath it and the button beneath the edit text 4. An edit text to the left of a text view and a button beneath it Options: 1 2 3 4
Easy Custom Exception Exceptions	Solve
What does the following code output? Options: Catch22 42 0 RunTime error
Medium Holding References	Solve
What does the following Java code output? Options: 1 2 3 12 13 Error
Medium Abstract Interface OOPs Interfaces	Solve
Given following interface: Which of these are correct classes? Options: A C A D A E B C B D B E C D C E A B D E
Medium Garbage Collection Garbage Collection	Solve
After which line is "bs" object, created on Line 4, eligible for garbage collection? Options: After Line 4 After Line 5 After Line 8 After Line 9 After Line 11 After Line 12 When main() completes
Medium Static Init Blocks OOPs	Solve
What does the following code output? 1) G A B E D H 2) G B A D E H 3) G B A D E H C F 4) C F G A B E D H 5) C F G B A D E H 6) G C F A B E D H 7) G C F B A D E H Options: 1 2 3 4 5 6 7
Medium Longest Road logic hashmaps	Solve
A startup company E-Motors is building driverless automated cars. The car contains a sensor that checks the road quality for the next N meters to decide the optimal speed at which the cars should move. We are given recorded data by the sensor in the form of an array, where each element of the array is the rating given to 1 meter of the road in sequence. The rating given by the sensor is from 1 to 100, where 100 represents the road with the best condition, and any rating above 60 is optimal. Find the longest stretch of road in meters that is categorized as optimal by the sensor. The input is an array of "strings" which needs to be converted from string to integer/number inside the function.

	🧐 Question	🔧 Skill
	Easy Intent & Activity	2 mins Android	Solve
We want to pass a value to next activity in Android. Which of the following options are the right way to do it? Options: A B C D
	Easy Linear Layout	2 mins Android	Solve
Check the following XML layout file. What will the UI for this layout file look like? 1. An edit text to the right of a text view and a button beneath them 2. An edit text to the right of a text view and a button to the right of the text view 3. A text view, an edit text beneath it and the button beneath the edit text 4. An edit text to the left of a text view and a button beneath it Options: 1 2 3 4
	Easy Custom Exception Exceptions	2 mins Java	Solve
What does the following code output? Options: Catch22 42 0 RunTime error
	Medium Holding References	2 mins Java	Solve
What does the following Java code output? Options: 1 2 3 12 13 Error
	Medium Abstract Interface OOPs Interfaces	2 mins Java	Solve
Given following interface: Which of these are correct classes? Options: A C A D A E B C B D B E C D C E A B D E
	Medium Garbage Collection Garbage Collection	2 mins Java	Solve
After which line is "bs" object, created on Line 4, eligible for garbage collection? Options: After Line 4 After Line 5 After Line 8 After Line 9 After Line 11 After Line 12 When main() completes
	Medium Static Init Blocks OOPs	2 mins Java	Solve
What does the following code output? 1) G A B E D H 2) G B A D E H 3) G B A D E H C F 4) C F G A B E D H 5) C F G B A D E H 6) G C F A B E D H 7) G C F B A D E H Options: 1 2 3 4 5 6 7
	Medium Longest Road logic hashmaps	25 mins Coding	Solve
A startup company E-Motors is building driverless automated cars. The car contains a sensor that checks the road quality for the next N meters to decide the optimal speed at which the cars should move. We are given recorded data by the sensor in the form of an array, where each element of the array is the rating given to 1 meter of the road in sequence. The rating given by the sensor is from 1 to 100, where 100 represents the road with the best condition, and any rating above 60 is optimal. Find the longest stretch of road in meters that is categorized as optimal by the sensor. The input is an array of "strings" which needs to be converted from string to integer/number inside the function.

	🧐 Question	🔧 Skill	💪 Difficulty	⌛ Time
	Intent & Activity	Android	Easy	2 mins	Solve
We want to pass a value to next activity in Android. Which of the following options are the right way to do it? Options: A B C D
	Linear Layout	Android	Easy	2 mins	Solve
Check the following XML layout file. What will the UI for this layout file look like? 1. An edit text to the right of a text view and a button beneath them 2. An edit text to the right of a text view and a button to the right of the text view 3. A text view, an edit text beneath it and the button beneath the edit text 4. An edit text to the left of a text view and a button beneath it Options: 1 2 3 4
	Custom Exception Exceptions	Java	Easy	2 mins	Solve
What does the following code output? Options: Catch22 42 0 RunTime error
	Holding References	Java	Medium	2 mins	Solve
What does the following Java code output? Options: 1 2 3 12 13 Error
	Abstract Interface OOPs Interfaces	Java	Medium	2 mins	Solve
Given following interface: Which of these are correct classes? Options: A C A D A E B C B D B E C D C E A B D E
	Garbage Collection Garbage Collection	Java	Medium	2 mins	Solve
After which line is "bs" object, created on Line 4, eligible for garbage collection? Options: After Line 4 After Line 5 After Line 8 After Line 9 After Line 11 After Line 12 When main() completes
	Static Init Blocks OOPs	Java	Medium	2 mins	Solve
What does the following code output? 1) G A B E D H 2) G B A D E H 3) G B A D E H C F 4) C F G A B E D H 5) C F G B A D E H 6) G C F A B E D H 7) G C F B A D E H Options: 1 2 3 4 5 6 7
	Longest Road logic hashmaps	Coding	Medium	25 mins	Solve
A startup company E-Motors is building driverless automated cars. The car contains a sensor that checks the road quality for the next N meters to decide the optimal speed at which the cars should move. We are given recorded data by the sensor in the form of an array, where each element of the array is the rating given to 1 meter of the road in sequence. The rating given by the sensor is from 1 to 100, where 100 represents the road with the best condition, and any rating above 60 is optimal. Find the longest stretch of road in meters that is categorized as optimal by the sensor. The input is an array of "strings" which needs to be converted from string to integer/number inside the function.

Reason #4

1200+ customers in 75 countries

With Adaface, we were able to optimise our initial screening process by upwards of 75%, freeing up precious time for both hiring managers and our talent acquisition team alike!

Brandon Lee, Head of People, Love, Bonito

Reason #5

1 click candidate invites

Email invites: You can send candidates an email invite to the Android Online Test from your dashboard by entering their email address.

Public link: You can create a public link for each test that you can share with candidates.

API or integrations: You can invite candidates directly from your ATS by using our pre-built integrations with popular ATS systems or building a custom integration with your in-house ATS.

Reason #6

Detailed scorecards & comparative results

Reason #7

Designed for elimination, not selection

The most important thing while implementing the pre-employment Android Online Test in your hiring process is that it is an elimination tool, not a selection tool. In other words: you want to use the test to eliminate the candidates who do poorly on the test, not to select the candidates who come out at the top. While they are super valuable, pre-employment tests do not paint the entire picture of a candidate’s abilities, knowledge, and motivations. Multiple easy questions are more predictive of a candidate's ability than fewer hard questions. Harder questions are often "trick" based questions, which do not provide any meaningful signal about the candidate's skillset.

Reason #8

High completion rate

Adaface tests are conversational, low-stress, and take just 25-40 mins to complete.

This is why Adaface has the highest test-completion rate (86%), which is more than 2x better than traditional assessments.

Reason #9

Advanced Proctoring

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How to evaluate Senior Android Developers

The questions for senior developers focus on advanced Android topics like:

Using Dependency Injection to implement the Separation of Concerns principle (Dagger and Hilt)
Implementing RecyclerView in various orientations
Maintaining Backward Compatibility
Avoiding "Spaghetti Code" and "God Classes"
Single-Activity vs. Multi-Activity trade-offs
Concurrency and Multithreading challenges (Blocked threads, Thread pool, Async task)
Thread Class, Garbage Collector, Memory Leaks
Advanced libraries like RxJava, Retrofit
Advanced functionality with deep links, in-app notifications, and push notifications.
Designing advanced graphics and animations (custom views, drawing on a canvas, clipping canvas objects, and using shaders)
Accessibility Services in Android
Experience with Jetpack Compose- layouts, state, animation, navigation, testing, accessibility and side-effects
Optimizing app performance- measuring and improving rendering, memory performance, data compression, batter use, network calls

Along with these the questions to evaluate Java/ Kotlin fundamentals will be of higher difficulty level.

What roles can I use the Android Online Test for?

Android Developer
Junior Android Developer
Senior Android Developer
Kotlin Android Developer
Java Android Developer
Android Software Engineer

What topics are covered in the Android Online Test?

Java or Kotlin Basics

OOPs in Java or Kotlin

Android UI components (text fields, buttons, form components)

Activities (lifecycle and data sharing)

Fragments

Views (ListViews, RecyclerView, CardView, Navigation View)

MVC and MVVM architecture

Data binding

Constraint layout

Connecting with REST APIs

Downloading data

Images

Videos

Dependency Injection (Dagger and Hilt)

Content Provider

Broadcast Receiver

Location Services

SharedPreferences and SQLite

Material Design basics (FAB, Snackbar, Coordinator layout)

Animations and transitions

AndroidX vs Android Support Library

Gradle Build System

Garbage Collector

Memory Leaks

Concurrency

Background

Room

REST APIs and JSON parsing

Exception handling

Notifications

Performance optimization

Debugging and testing

Publishing and distribution

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The hiring managers felt that through the technical questions that they asked during the panel interviews, they were able to tell which candidates had better scores, and differentiated with those who did not score as well. They are highly satisfied with the quality of candidates shortlisted with the Adaface screening.

85%

reduction in screening time

View Full Case Study

Android Online Test FAQs

How is the test customized for Java Android developers?

Along with Android questions, the test will have scenario-based MCQ questions to evaluate core Java concepts (OOPs, Classes, Exceptions, Collections) and coding questions to evaluate hands-on Java programming skills. You can review our standard Java test to understand what kind of questions will be used.

How is the test customized for Kotlin Android Developers?

Along with Android questions, the test will have scenario-based MCQ questions to evaluate core Kotlin concepts (Variables, Strings, Collections and OOPs) and coding questions to evaluate hands-on Kotlin programming skills. You can review our Kotlin online test to understand what kind of questions will be used.

How to evaluate Junior Android Developers?

The difficulty level and topics of the questions will be customized for junior developers. The questions will be relatively easy and focus on the basics of Android development (designing layouts, developing activities, handling user interactions, saving user data). Along with Android, there will be easier MCQ questions to evaluate Java/ Kotlin basics and simpler coding questions.

Can I combine multiple skills into one custom assessment?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify.

Do you have any anti-cheating or proctoring features in place?

We have the following anti-cheating features in place:

Non-googleable questions
IP proctoring
Web proctoring
Webcam proctoring
Plagiarism detection
Secure browser

Read more about the proctoring features.

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

What experience level can I use this test for?

Each Adaface assessment is customized to your job description/ ideal candidate persona (our subject matter experts will pick the right questions for your assessment from our library of 10000+ questions). This assessment can be customized for any experience level.

Does every candidate get the same questions?

Yes, it makes it much easier for you to compare candidates. Options for MCQ questions and the order of questions are randomized. We have anti-cheating/ proctoring features in place. In our enterprise plan, we also have the option to create multiple versions of the same assessment with questions of similar difficulty levels.

I'm a candidate. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

What is the cost of using this test?

You can check out our pricing plans.

Can I get a free trial?

Yes, you can sign up for free and preview this test.

I just moved to a paid plan. How can I request a custom assessment?

Here is a quick guide on how to request a custom assessment on Adaface.

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Android Online Test

Adaface Android Online Test is the most accurate way to shortlist Android Developers

Tests for on-the-job skills

No trick questions

Non-googleable questions

1200+ customers in 75 countries

1 click candidate invites

Detailed scorecards & comparative results

Designed for elimination, not selection

High completion rate

Advanced Proctoring

How to evaluate Senior Android Developers

What roles can I use the Android Online Test for?

What topics are covered in the Android Online Test?

Android Online Test FAQs

How is the test customized for Java Android developers?

How is the test customized for Kotlin Android Developers?

How to evaluate Junior Android Developers?

Can I combine multiple skills into one custom assessment?

Do you have any anti-cheating or proctoring features in place?

How do I interpret test scores?

What experience level can I use this test for?

Does every candidate get the same questions?

I'm a candidate. Can I try a practice test?

What is the cost of using this test?

Can I get a free trial?

I just moved to a paid plan. How can I request a custom assessment?

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