What roles can I use the Android Test for?

Here are few roles for which we recommend this test: Android Developer Junior Android Developer Senior Android Developer Kotlin Android Developer Java Android Developer Android Software Engineer

What is Android Online Test?

The Android Online Test is designed to assess the core skills required for developing Android applications. It is commonly used by recruiters to evaluate candidates' proficiency in core Android concepts and Java.

Can I combine the Android Online Test with Java questions?

Yes, recruiters can request a single custom test with both Android and Java questions. For more details about assessing Java skills, you can refer to Java Online Test .

How to use the Android Online Test in my hiring process?

You can use this test: Before resume screening After resume screening As a replacement for traditional resumes Simply purchase the test, send it to candidates, and get immediate results to make informed hiring decisions.

Can I test Android and Java skills together in a test?

Yes, you can combine Android and Java skills in a single test. This is recommended to get a holistic view of a candidate's capabilities. You can opt for our Java & Android Test .

What are the main Mobile Development tests?

Some of the significant tests in the Mobile Development category are: Android Online Test iOS Online Test React Native Online Test Flutter & Dart Test

Android Online Test

Q: What topics are covered in the Android Online Test?

The test covers a range of topics including: Android core (Activities, Layouts, Views) User experience design (Lifecycle, Navigation) Handling user interactions Background tasks and triggers MVP / MVVM architecture Data management (Shared preferences, SQLite, Room) Performance optimizations and debugging Notifications, permissions, and services

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.

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Screen candidates with a 40 mins test

Test duration: ~ 40 mins

Difficulty level: Moderate

Availability: Available as custom test

Questions:

5 Android MCQs
5 Java MCQs
1 Java Coding Question

Covered skills:

Android core (Activities; Layouts; Views)

Android user experience design (Lifecycle; Navigation)

Handling user interactions

Background tasks and triggers

MVP / MVVM architecture using reactive View Models

Data management (Shared preferences; SQLite; Room)

Advanced components (Fragments; Widgets; Sensors)

Exception handling

Performance optimizations

Notifications

permissions and services

Concurrency and multithreading fundamentals

Debugging and testing

Publishing apps on Google Play

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Adaface is used by 1200+ businesses in 80 countries.

Adaface skill assessments measure on-the-job skills of candidates, providing employers with an accurate tool for screening potential hires.

Use the Android Test to shortlist qualified candidates

The Android Online Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

Efficiently handling exceptions and errors
Understanding and implementing MVP/MVVM architecture using reactive View Models
Managing data with Shared preferences, SQLite, and Room
Working with advanced components like Fragments, Widgets, and Sensors
Optimizing performance of Android apps
Implementing notifications, permissions, and services
Understanding concurrency and multithreading fundamentals
Effective debugging and testing of Android apps
Publishing apps on Google Play

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Screen candidates with the highest quality 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.

How we design questions

These are just a small sample from our library of 15,000+ questions. The actual questions on this Android Online Test will be non-googleable.

🧐 Question
Easy Intent & Activity Data Passing Intent Usage	Solve
We want to pass a value to next activity in Android. Which of the following options are the right way to do it?
Easy Linear Layout Android Ui Design	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
Easy Custom Exception Exception Handling Custom Exceptions	Solve
What does the following code output?
Hard Holding References	Solve
What does the following Java code output?
Medium Abstract Interface OOPs Interfaces Java Syntax Object-oriented Programming (Oop) Concepts	Solve
Given following interface: Which of these are correct classes?
Medium Garbage Collection Garbage Collection Garbage_collection_rules Object_reachability	Solve
After which line is "bs" object, created on Line 4, eligible for garbage collection?
Hard Static Init Blocks OOPs Java Syntax Code Execution Output	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
Easy Registration Queue Logic Queues Sorting By Custom Order	Solve
We want to register students for the next semester. All students have a receipt which shows the amount pending for the previous semester. A positive amount (or zero) represents that the student has paid extra fees, and a negative amount represents that they have pending fees to be paid. The students are in a queue for the registration. We want to arrange the students in a way such that the students who have a positive amount on the receipt get registered first as compared to the students who have a negative amount. We are given a queue in the form of an array containing the pending amount. For example, if the initial queue is [20, 70, -40, 30, -10], then the final queue will be [20, 70, 30, -40, -10]. Note that the sequence of students should not be changed while arranging them unless required to meet the condition. ⚠️⚠️⚠️ Note: - The first line of the input is the length of the array. The second line contains all the elements of the array. - The input is already parsed into an array of "strings" and passed to a function. You will need to convert string to integer/number type inside the function. - You need to "print" the final result (not return it) to pass the test cases. For the example discussed above, the input will be: 5 20 70 -40 30 -10 Your code needs to print the following to the standard output: 20 70 30 -40 -10
Medium Visitors Count Strings Logic String Parsing Character Counting	Solve
A manager hires a staff member to keep a record of the number of men, women, and children visiting the museum daily. The staff will note W if any women visit, M for men, and C for children. You need to write code that takes the string that represents the visits and prints the count of men, woman and children. The sequencing should be in decreasing order. Example: Input: WWMMWWCCC Expected Output: 4W3C2M Explanation: ‘W’ has the highest count, then ‘C’, then ‘M’. ⚠️⚠️⚠️ Note: - The input is already parsed and passed to a function. - You need to "print" the final result (not return it) to pass the test cases. - If the input is- “MMW”, then the expected output is "2M1W" since there is no ‘C’. - If any of them have the same count, the output should follow this order - M, W, C.

	🧐 Question	🔧 Skill
	Easy Intent & Activity Data Passing Intent Usage	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?
	Easy Linear Layout Android Ui Design	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
	Easy Custom Exception Exception Handling Custom Exceptions	2 mins Java	Solve
What does the following code output?
	Hard Holding References	2 mins Java	Solve
What does the following Java code output?
	Medium Abstract Interface OOPs Interfaces Java Syntax Object-oriented Programming (Oop) Concepts	2 mins Java	Solve
Given following interface: Which of these are correct classes?
	Medium Garbage Collection Garbage Collection Garbage_collection_rules Object_reachability	2 mins Java	Solve
After which line is "bs" object, created on Line 4, eligible for garbage collection?
	Hard Static Init Blocks OOPs Java Syntax Code Execution Output	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
	Easy Registration Queue Logic Queues Sorting By Custom Order	30 mins Coding	Solve
We want to register students for the next semester. All students have a receipt which shows the amount pending for the previous semester. A positive amount (or zero) represents that the student has paid extra fees, and a negative amount represents that they have pending fees to be paid. The students are in a queue for the registration. We want to arrange the students in a way such that the students who have a positive amount on the receipt get registered first as compared to the students who have a negative amount. We are given a queue in the form of an array containing the pending amount. For example, if the initial queue is [20, 70, -40, 30, -10], then the final queue will be [20, 70, 30, -40, -10]. Note that the sequence of students should not be changed while arranging them unless required to meet the condition. ⚠️⚠️⚠️ Note: - The first line of the input is the length of the array. The second line contains all the elements of the array. - The input is already parsed into an array of "strings" and passed to a function. You will need to convert string to integer/number type inside the function. - You need to "print" the final result (not return it) to pass the test cases. For the example discussed above, the input will be: 5 20 70 -40 30 -10 Your code needs to print the following to the standard output: 20 70 30 -40 -10
	Medium Visitors Count Strings Logic String Parsing Character Counting	30 mins Coding	Solve
A manager hires a staff member to keep a record of the number of men, women, and children visiting the museum daily. The staff will note W if any women visit, M for men, and C for children. You need to write code that takes the string that represents the visits and prints the count of men, woman and children. The sequencing should be in decreasing order. Example: Input: WWMMWWCCC Expected Output: 4W3C2M Explanation: ‘W’ has the highest count, then ‘C’, then ‘M’. ⚠️⚠️⚠️ Note: - The input is already parsed and passed to a function. - You need to "print" the final result (not return it) to pass the test cases. - If the input is- “MMW”, then the expected output is "2M1W" since there is no ‘C’. - If any of them have the same count, the output should follow this order - M, W, C.

	🧐 Question	🔧 Skill	💪 Difficulty	⌛ Time
	Intent & Activity Data Passing Intent Usage	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?
	Linear Layout Android Ui Design	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
	Custom Exception Exception Handling Custom Exceptions	Java	Easy	2 mins	Solve
What does the following code output?
	Holding References	Java	Hard	2 mins	Solve
What does the following Java code output?
	Abstract Interface OOPs Interfaces Java Syntax Object-oriented Programming (Oop) Concepts	Java	Medium	2 mins	Solve
Given following interface: Which of these are correct classes?
	Garbage Collection Garbage Collection Garbage_collection_rules Object_reachability	Java	Medium	2 mins	Solve
After which line is "bs" object, created on Line 4, eligible for garbage collection?
	Static Init Blocks OOPs Java Syntax Code Execution Output	Java	Hard	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
	Registration Queue Logic Queues Sorting By Custom Order	Coding	Easy	30 mins	Solve
We want to register students for the next semester. All students have a receipt which shows the amount pending for the previous semester. A positive amount (or zero) represents that the student has paid extra fees, and a negative amount represents that they have pending fees to be paid. The students are in a queue for the registration. We want to arrange the students in a way such that the students who have a positive amount on the receipt get registered first as compared to the students who have a negative amount. We are given a queue in the form of an array containing the pending amount. For example, if the initial queue is [20, 70, -40, 30, -10], then the final queue will be [20, 70, 30, -40, -10]. Note that the sequence of students should not be changed while arranging them unless required to meet the condition. ⚠️⚠️⚠️ Note: - The first line of the input is the length of the array. The second line contains all the elements of the array. - The input is already parsed into an array of "strings" and passed to a function. You will need to convert string to integer/number type inside the function. - You need to "print" the final result (not return it) to pass the test cases. For the example discussed above, the input will be: 5 20 70 -40 30 -10 Your code needs to print the following to the standard output: 20 70 30 -40 -10
	Visitors Count Strings Logic String Parsing Character Counting	Coding	Medium	30 mins	Solve
A manager hires a staff member to keep a record of the number of men, women, and children visiting the museum daily. The staff will note W if any women visit, M for men, and C for children. You need to write code that takes the string that represents the visits and prints the count of men, woman and children. The sequencing should be in decreasing order. Example: Input: WWMMWWCCC Expected Output: 4W3C2M Explanation: ‘W’ has the highest count, then ‘C’, then ‘M’. ⚠️⚠️⚠️ Note: - The input is already parsed and passed to a function. - You need to "print" the final result (not return it) to pass the test cases. - If the input is- “MMW”, then the expected output is "2M1W" since there is no ‘C’. - If any of them have the same count, the output should follow this order - M, W, C.

Test candidates on core Android Hiring Test topics

Android core: Android core refers to the fundamental building blocks of Android app development, including activities, layouts, and views. These components are crucial for creating user interfaces, handling user interactions, and managing data in Android applications. Measuring this skill in the test ensures candidates have a strong foundation in Android development.

Android user experience design: Android user experience design focuses on understanding the lifecycle of an Android app and implementing smooth navigation for users. This skill is essential in creating intuitive and user-friendly interfaces, enhancing the overall user experience. Evaluating candidates on this skill helps identify their ability to create engaging and efficient Android applications.

Handling user interactions: Handling user interactions involves capturing and responding to user input in an Android app. This skill assesses a candidate's ability to implement event listeners, handle touch events, and manage user interactions effectively. Evaluating this skill ensures candidates can create interactive and responsive Android applications.

Background tasks and triggers: Background tasks and triggers are responsible for executing actions in an Android app even when it is not actively in use. This skill involves managing background services, scheduling tasks, and responding to system events. Measuring this skill ensures candidates can create efficient and reliable Android applications that persistently perform actions in the background.

MVP / MVVM architecture using reactive View Models: MVP (Model-View-Presenter) and MVVM (Model-View-ViewModel) are popular software architectural patterns used in Android development. This skill assesses a candidate's ability to design and implement these patterns using reactive View Models, which provide data and logic separation. Evaluating this skill helps identify candidates who can develop well-structured, modular, and maintainable Android applications.

Data management: Data management in Android involves storing, retrieving, and manipulating data using various methods, such as shared preferences, SQLite databases, and the Room persistence library. This skill evaluates a candidate's ability to handle data effectively in an Android app. Measuring this skill ensures candidates can implement reliable data management solutions in their applications.

Advanced components: Advanced components in Android, including fragments, widgets, and sensors, allow for more complex and interactive UI elements and interactions. This skill evaluates a candidate's ability to utilize these components effectively in Android app development. Measuring this skill helps identify candidates who can create dynamic and feature-rich Android applications.

Exception handling: Exception handling involves identifying, catching, and handling errors or unexpected situations in an Android app. This skill assesses a candidate's ability to handle exceptions gracefully and ensure the stability and reliability of their applications. Evaluating this skill helps identify candidates who can create robust and error-free Android applications.

Performance optimizations: Performance optimizations in Android focus on improving the speed, efficiency, and responsiveness of an app. This skill assesses a candidate's ability to identify performance bottlenecks, optimize code, and implement efficient algorithms. Evaluating this skill helps identify candidates who can create high-performing Android applications.

Notifications, permissions, and services: Notifications, permissions, and services are essential components for enhancing user experience and app functionality in Android. This skill evaluates a candidate's understanding and implementation of these features. Measuring this skill ensures candidates can implement notifications, handle permissions, and utilize services effectively in their Android applications.

Concurrency and multithreading fundamentals: Concurrency and multithreading involve executing tasks concurrently and efficiently utilizing multiple threads in an Android app. This skill assesses a candidate's ability to manage threads, handle synchronization, and implement parallel processing. Evaluating this skill helps identify candidates who can create responsive and concurrent Android applications.

Debugging and testing: Debugging and testing skills are essential in identifying and fixing issues in Android applications. This skill assesses a candidate's ability to use debugging tools, write unit tests, and perform quality assurance on their code. Evaluating this skill ensures candidates can deliver stable and bug-free Android applications.

Publishing apps on Google Play: Publishing an app on Google Play involves understanding the submission and review process, adhering to guidelines, and preparing the app for distribution. This skill evaluates a candidate's knowledge of the app publishing process and ensures they can successfully publish Android applications. Measuring this skill identifies candidates who can effectively deploy their apps to the Google Play Store.

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