Android OA0-002 Exam : Android Application Engineer Certifications Basic

  • Exam Code: OA0-002
  • Exam Name: Android Application Engineer Certifications Basic
  • Updated: Oct 13, 2026
  • Q & A: 139 Questions and Answers

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About Android OA0-002 Exam Questions

Real exams have clocks, and clocks change how brains work. The Android Application Engineer Certifications Basic engines from DumpsActual simulate the genuine OA0-002 environment, so by test day in 2026 the 139 questions feel like familiar ground, not a first encounter.

Android OA0-002 Exam Syllabus Topics:

SectionObjectives
Topic 1: User Interface Development- UI events, resources, and themes
- Layouts and Views (ConstraintLayout, LinearLayout, RecyclerView)
Topic 2: Android Fundamentals- Application components (Activities, Services, Broadcast Receivers, Content Providers)
- Android application lifecycle and project structure
Topic 3: Networking and APIs- JSON parsing and background threading
- HTTP communication and RESTful APIs
Topic 4: Debugging, Security, and Deployment- Debugging tools and logging (Logcat, Android Studio debugger)
- App signing, permissions, and publishing process
Topic 5: Data Storage and Persistence- SQLite database and Room persistence library
- SharedPreferences and file storage

Android Application Engineer Certifications Basic FAQ: Clear Answers for Serious Candidates

The OA0-002 exam is Android's official route to the Android Certification certification (Associate level). For IT professionals building a career, it signals verified skill — the kind of advantage that tips better opportunities your way.

Delivery is instant — files unlock at payment and a copy lands in your email within a minute; our 24/7 online service team responds within 2 hours if anything goes missing, and there are no installation limits. On refunds, our guarantee is real but conditional: take the corresponding OA0-002 exam within 60 days of purchase, and if you fail, send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam — we process the full refund within 7 days. Exams taken within 3 days of purchase, name mismatches between candidate and payer, and free or expired products are excluded. Rather have a replacement? Exchange for two equal-value exam products free and keep your original updates.

Basic knowledge of Java or Kotlin programming and general software development concepts Requirements like these do get updated, so confirm the details on the official exam page — before you spend anything on registration.

Yes — a free PDF demo lets you examine the question quality first. If you buy, 365 days of free updates are included, with new versions sent to you as they're released; an expired update period can be renewed later at 50% off.

Expect 5 domains in the Android Application Engineer Certifications Basic blueprint, headlined by User Interface Development, Networking and APIs, Data Storage and Persistence. Use the weights as your study budget — high-percentage domains earn the most points per hour. The complete outline above has the full breakdown.

Android Application Engineer Certifications Basic Sample Questions:

Question #1

Which of these is the incorrect explanation of the Toast class?

  • A. The display duration time of Toast can be chosen from 2 types, LENGTHJjDNG and LENGTH_SHORT.
  • B. Since Toast automatically closes after display, a dismiss () method is not provided.
  • C. Toast is a simple class for display, and cannot be set with a custom XML-defined layout
  • D. Toast is a class included in the android widget package.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #2

Which is the correct explanation of the Foo.java source code?

  • A. The compile will succeed without problems.
  • B. String, which is a reference type, cannot be used in the native method
  • C. Visibility cannot be declared as private in the native method.
  • D. Since mapping will occur to C/C++, int must be declared as jint.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #3

Which screen will be displayed as a result of executing the following code?

  • A. Option c
  • B. Option d
  • C. Option a
  • D. Option b
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #4

Which shows the correct Android architecture?

  • A. (1)Linux Kernel (2)Android runtime (3)Library(4)Application framework (5)Application
  • B. (1 )Linux Kernel (2) Library (3)Android runtime (4)Application framework (5)Application
  • C. (1)Linux Kernel (2)Application framework (3)Library (4)Android runtime (5)Application
  • D. (1)Android runtime (2)Linux Kernel (3)Library (4)Application framework (5)Application
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #5

Which of these is the correct interface definition used to bind a Service?

  • A. IDL
  • B. XML
  • C. KML
  • D. AIDL
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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