Introduction
Android development is one of the most in-demand skills in the IT industry. Every year, thousands of freshers prepare for Android fresher interview questions to get their first job as an Android developer. If you are a beginner or a fresher, this Android fresher interview questions guide will help you understand all important concepts clearly.
In this SEO-friendly blog, you will learn:
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Basic to advanced Android fresher interview questions
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Android components explained simply
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Java & Kotlin questions for Android freshers
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Practical interview tips
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Common mistakes freshers make
This article is specially written for Android freshers, engineering students, MCA/BCA students, and beginners preparing for Android interviews.
📌 What is Android?
Android is an open-source mobile operating system developed by Google. It is mainly used for smartphones, tablets, smart TVs, and wearable devices.
Key Points:
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Based on Linux kernel
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Open-source platform
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Supports Java, Kotlin, C++
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Largest mobile OS market share
📌 Why Choose Android Development as a Fresher?
Many interviewers ask freshers why they want to choose Android. Here is a simple answer:
Benefits of Android Development:
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High demand for Android developers
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Open-source & free tools
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Large community support
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Easy learning curve for freshers
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Career growth opportunities
📌 Android Fresher Interview Questions – Basic Level
1️⃣ What is Android?
Android is a mobile operating system used to develop mobile applications for smartphones and tablets.
2️⃣ What are the main components of Android?
Android has four main components:
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Activity
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Service
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Broadcast Receiver
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Content Provider
These are the most important Android fresher interview questions.
3️⃣ What is an Activity in Android?
An Activity represents a single screen in an Android application.
Example: Login screen, Home screen.
4️⃣ What is the Android Manifest file?
The AndroidManifest.xml file contains essential information about the app like:
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App name
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Activities
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Permissions
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Minimum SDK version
5️⃣ What is Context in Android?
Context provides information about the application environment.
It is used to access resources, databases, preferences, etc.
📌 Android Fresher Interview Questions – Activity Lifecycle
6️⃣ Explain Android Activity Lifecycle
Activity lifecycle methods:
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onCreate() -
onStart() -
onResume() -
onPause() -
onStop() -
onDestroy()
This question is very important for Android fresher interviews.
7️⃣ What is the use of onCreate()?
It is called when an activity is created for the first time.
Used for:
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Initializing UI
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Binding data
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Setting layouts
📌 Android Fresher Interview Questions – UI & Layouts
8️⃣ What is a Layout in Android?
Layout defines the UI structure of the application.
9️⃣ Types of Layouts in Android
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LinearLayout
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RelativeLayout
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ConstraintLayout
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FrameLayout
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TableLayout
🔟 What is ConstraintLayout?
ConstraintLayout allows you to design complex layouts with better performance.
📌 Android Fresher Interview Questions – Intents
11️⃣ What is an Intent?
Intent is used to communicate between components.
12️⃣ Types of Intents
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Explicit Intent
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Implicit Intent
13️⃣ Difference between Explicit and Implicit Intent
| Explicit Intent | Implicit Intent |
|---|---|
| Used inside app | Used between apps |
| Component name known | Component name not known |
📌 Android Fresher Interview Questions – Services
14️⃣ What is a Service?
Service runs in the background without UI.
15️⃣ Types of Services
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Started Service
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Bound Service
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Foreground Service
📌 Android Fresher Interview Questions – Broadcast Receiver
16️⃣ What is Broadcast Receiver?
It listens to system-wide events like:
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Battery low
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SMS received
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Network change
📌 Android Fresher Interview Questions – Storage
17️⃣ What are storage options in Android?
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Shared Preferences
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Internal Storage
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External Storage
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SQLite Database
18️⃣ What is SharedPreferences?
Used to store small data like:
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Username
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Login status
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Theme settings
📌 Android Fresher Interview Questions – SQLite
19️⃣ What is SQLite?
SQLite is a lightweight database used in Android applications.
20️⃣ Difference between SQLite and Room
Room is an abstraction layer over SQLite that simplifies database operations.
📌 Android Fresher Interview Questions – RecyclerView
21️⃣ What is RecyclerView?
RecyclerView is used to display large sets of data efficiently.
22️⃣ Difference between ListView and RecyclerView
| ListView | RecyclerView |
|---|---|
| Less efficient | More efficient |
| No ViewHolder by default | ViewHolder mandatory |
📌 Android Fresher Interview Questions – Permissions
23️⃣ What are Android permissions?
Permissions allow apps to access restricted data like:
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Camera
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Location
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Contacts
24️⃣ Types of Permissions
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Normal Permissions
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Dangerous Permissions
📌 Android Fresher Interview Questions – Java & Kotlin
25️⃣ Which language is best for Android?
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Java (traditional)
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Kotlin (recommended)
26️⃣ What is Kotlin?
Kotlin is a modern programming language officially supported by Google for Android development.
27️⃣ Difference between Java and Kotlin
| Java | Kotlin |
|---|---|
| More code | Less code |
| Null pointer issues | Null safety |
📌 Android Fresher Interview Questions – Tools
28️⃣ What is Android Studio?
Android Studio is the official IDE for Android development.
29️⃣ What is ADB?
ADB (Android Debug Bridge) is a command-line tool used to communicate with devices.
📌 Android Fresher Interview Questions – Architecture
30️⃣ What is MVVM?
MVVM stands for:
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Model
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View
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ViewModel
Used to separate UI and business logic.
📌 Android Fresher Interview Questions – Common Errors
31️⃣ What is ANR?
ANR stands for Application Not Responding.
32️⃣ What is APK?
APK stands for Android Package Kit.
📌 Android Fresher Interview Questions – Advanced Basics
33️⃣ What is Fragment?
Fragment is a reusable UI component inside an activity.
34️⃣ Difference between Activity and Fragment
| Activity | Fragment |
|---|---|
| Independent | Dependent |
📌 Android Fresher Interview Questions – Networking
35️⃣ How to call API in Android?
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Retrofit
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Volley
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HttpURLConnection
📌 Android Fresher Interview Questions – Testing
36️⃣ What is Unit Testing?
Unit testing tests individual components of the app.
📌 Android Fresher Interview Questions – Version Control
37️⃣ What is Git?
Git is a version control system used to track code changes.
📌 Android Fresher Interview Questions – Tips for Freshers
✅ Interview Preparation Tips:
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Understand basics clearly
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Practice coding daily
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Create at least 2 Android projects
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Know Activity lifecycle well
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Learn Kotlin basics
📌 Common Mistakes Freshers Make
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Memorizing answers without understanding
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Not practicing hands-on
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Ignoring Android lifecycle
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Weak Java/Kotlin basics
📌 Final Words
This Android fresher interview questions guide is designed to help beginners crack Android interviews confidently. If you prepare these Android fresher interview questions and answers, you can easily clear technical rounds for junior Android developer roles.
👉 Tip: Revise this blog multiple times and practice real projects.
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