PROGRAMMING SKILLS

Android development in Java test for hiring

See how candidates reason through everyday Android work in Java before planning deeper technical interviews.

10 minutes
16 questions
Intermediate
Multiple choice
Questions in English
Phone and desktop

Use this test free See the question formats

The short answer

The Android Development Using Java test is a timed check of practical Android work for Android developers, mobile application developers, Java programmers moving into mobile work, and technical roles that review or integrate Android apps. It measures lifecycle and threading, screen building, networking and storage, plus testing and debugging through short code snippets, layouts, and scenarios.

What it measures

Practical Android development in Java: lifecycle and threading, building screens, networking and storage, and testing and debugging.

App components, lifecycle and threading

Candidates reason about app components, lifecycle behavior, and threading in everyday Android scenarios.

User interface and interaction

Candidates consider how screens are built and how people interact with the interface.

Networking and local data

Candidates work through scenarios involving network requests and data stored locally.

Testing, debugging and builds

Candidates decide why code fails and consider testing, debugging, and build issues.

Question formats

Multiple choice

The candidate: Reads a short situation, table or statement and picks the right answer, or every right answer.

You see: Whether the candidate knows the material well enough to apply it, not just recognize it.

16 questions in 10 minutes, served one at a time.

Roles this test fits

Android developers and engineers, mobile application developers, Java programmers moving into mobile work, mobile software engineers, and technical roles that review or integrate Android apps.

What this test adds to your hiring review

Evidence beyond a resume
See candidates decide what Java code does, why it fails, or which change fixes it, rather than relying on a list of Android projects.
Decisions, not trivia
Each question asks about one decision a working Android developer makes rather than a rarely used detail, from threading to where data is stored.
A clearer interview starting point
Use results to shape questions about threading, local data, or a build issue instead of spending interview time covering every area.

What you get for each candidate

Example report (fictional data)Android Development Using Java

72%Percentile 48. Benchmark: HireValid candidates, n = 240

App components, lifecycle and threading64%

User interface and interaction85%

Networking and local data82%

Testing, debugging and builds55%

Integrity ScoreHigh confidence

Stayed on the test tab throughout
No pasted answers
Answered at a steady pace

Scores, profiles and integrity signals are evidence for you to review alongside an interview, never an automatic decision.

Use this test free

Test conditions and review signals

Each candidate receives a different question set, with questions in a different order and shuffled answer options. The browser shows one question at a time, and answer keys stay on HireValid’s servers. The 10-minute timer runs on the server; reloading returns the same question with only the time left, and candidates cannot go back. Question text cannot be copied or selected. A blocked copy attempt is recorded in the timeline. Invitation links are personal and expire, and a finished test cannot be taken again. HireValid summarizes signals such as time away from the test tab, pasted answers, and answers faster than a question can be read in an Integrity Score and evidence timeline for employer review. It never decides on its own.

How we prevent AI cheating · Integrity signals

Use the score as one signal

Review the score alongside a relevant work sample and a structured interview. Ask candidates to explain decisions related to Android lifecycle, user interaction, or networking and storage. Use their responses as evidence for your review, not as a decision on their own. Read how we build our tests, or browse the related Flutter test.

Structured interview questions

A screen stops updating after work runs in the background. How would you investigate it?
Listen for a step-by-step approach to lifecycle and threading, including how they would locate the cause and check a fix.
How would you decide what data an Android app should keep locally and what it should request over a network?
Listen for practical reasoning about the app scenario, data needs, and how the candidate would test their approach.
A change builds but a key interaction no longer works. What would you check next?
Listen for a concrete debugging process that considers the interface, tests, and build context.

Understand scoring and benchmarks

Fairness and accommodations

Questions use neutral app scenarios such as task lists, bookings, inventories and fitness logs, with no money symbols, idioms, sports or local knowledge. Names in the scenarios come from many backgrounds. Code is kept short, the wording plain, and each question asks about one decision a working developer makes rather than a rarely used detail. Scratch paper is allowed for every candidate.

You can give any candidate extra time as an accommodation. Results are evidence for a person to review, never an automatic decision.

Provisional: no norms exist yet, and reliability is reported once 200 candidates have completed it.

Read our fairness approach

Test details

A timed check of everyday Android work in Java. Candidates read short code snippets, layouts and scenarios, then decide what the code does, why it fails, or which change fixes it. The four areas are app components and threading, user interface, networking and local storage, and testing, debugging and builds.

Questions are in English.
Aids allowed: Scratch paper.
Each question is answered once, in order, with no going back.
4 practice questions, 3 minutes, before the timed test.

Android, Java, Gradle, SQLite, Room, Retrofit, OkHttp, JUnit, Espresso, Mockito are trademarks of their owners. HireValid is not affiliated with or endorsed by them.

Frequently asked questions

What can candidates use during the Android Development Using Java test?+

Scratch paper is allowed for every candidate, which helps when tracing threading or lifecycle order. Each question is answered once, in order, with no going back. The test runs on a phone or a desktop, and questions are in English.

How does the Android Development Using Java test account for different backgrounds?+

Questions use plain wording and neutral app scenarios such as task lists, bookings, inventories and fitness logs, with no money symbols, idioms, sports or local knowledge. Names come from many backgrounds, and code is kept short.

How long is the Android Development Using Java test, and can candidates try a sample?+

The assessment has 16 questions and a 10-minute limit. Candidates can first use a practice set of 4 questions in 3 minutes to see how the code snippets, layouts and scenarios are presented.

Which roles and experience level suit the Android Development Using Java test?+

It is an intermediate-level option for Android developers, mobile application developers, Java programmers moving into mobile work, mobile software engineers, and technical roles that review or integrate Android apps.