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Infosys Android App Developer Interview Questions, Process, and Tips
Top Infosys Android App Developer Interview Questions and Answers
- Q1. What is difference between abstract class and interface
- Q2. Explain activity life cycle
- Q3. Scope functions in kotlin
Infosys Android App Developer Interview Experiences
3 interviews found
Deepti Kandwal
(2 Questions)
- Q1. Scope functions in kotlin
- Ans.
Scope functions in Kotlin are functions that allow you to execute a block of code within the context of an object.
There are five scope functions in Kotlin: let, run, with, apply, and also.
Each scope function has a specific use case and can help improve code readability and reduce boilerplate code.
Scope functions can be used to perform operations on an object and return a result or modify the object itself.
For example, ...
- Q2. LazyRow vs RecyclerView
- Ans.
LazyRow is a Jetpack Compose component for displaying horizontally scrolling lists, while RecyclerView is a traditional Android view for displaying large data sets efficiently.
LazyRow is part of Jetpack Compose, RecyclerView is part of the Android framework
LazyRow is more declarative and easier to use for simple lists, RecyclerView is more powerful and customizable for complex lists
LazyRow automatically handles recycli...
Skills evaluated in this interview
Ashish Kumar
I applied via Company Website and was interviewed in Jul 2022. There were 2 interview rounds.
(1 Question)
- Q1. Agile, data class, how to initialize a class in activity?, dagger, difference between bind and provides annotation, unit test using mockito and junit
Interview Preparation Tips
Anonymous
I applied via Naukri.com and was interviewed in Oct 2021. There were 2 interview rounds.
(2 Questions)
- Q1. Explain activity life cycle
- Ans.
Activity life cycle refers to the stages an activity goes through from creation to destruction.
An activity is created using onCreate() method
It becomes visible using onStart() method
It becomes interactive using onResume() method
It goes to background using onPause() method
It becomes invisible using onStop() method
It gets destroyed using onDestroy() method
- Q2. What is difference between abstract class and interface
- Ans.
Abstract class is a class that can have both abstract and non-abstract methods while interface only has abstract methods.
Abstract class can have constructors while interface cannot
A class can implement multiple interfaces but can only inherit from one abstract class
Abstract class can have instance variables while interface cannot
Abstract class can provide default implementation for some methods while interface cannot
Ex...
(2 Questions)
- Q1. Why are you looking for a change?
- Q2. Tell me about yourself.
Interview Preparation Tips
Skills evaluated in this interview
What people are saying about Infosys
Interview questions from similar companies
I applied via Recruitment Consulltant and was interviewed in Oct 2024. There was 1 interview round.
(2 Questions)
- Q1. What is intent?
- Ans.
Intent is a messaging object used to request an action from another app component.
Intent is used to start activities, services, and broadcast receivers in Android.
It can also be used to pass data between components.
There are two types of intents: explicit intents and implicit intents.
Explicit intents specify the component to start by name.
Implicit intents specify the action to perform and let the system find the approp
- Q2. What is work manager?
- Ans.
Work Manager is an Android Jetpack library used for managing deferrable, asynchronous tasks.
Work Manager is part of the Android Jetpack library.
It is used for managing deferrable, asynchronous tasks that need to run even if the app is in the background.
Work Manager provides various constraints and options for scheduling tasks, such as network availability, charging status, and more.
It is recommended for tasks that are ...
Mahindra
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(2 Questions)
- Q1. Hsjekeurnrjr hehhe uehje
- Q2. Hsjsjdjddmmdkd jrjkrjr urjrj u
I applied via campus placement at Velammal Engineering College, Chennai and was interviewed in May 2024. There were 4 interview rounds.
Aptitude questions(seating arrangement,number series),verbal reasoning, Networking,Cloud based questions,and pseudocode
2 coding questions,one will be easy, other will be tough,solving atleast one problem is necessary.
(2 Questions)
- Q1. Read the given sentence
- Q2. Hear and answer the question
(2 Questions)
- Q1. Tell me about yourself
- Q2. About college project(as I am fresher) ,about internship, difficulties faced and how we solved it
I applied via Recruitment Consulltant and was interviewed before Mar 2022. There were 3 interview rounds.
(1 Question)
- Q1. Java core concepts like oops, threading and then the android framework related questions
(1 Question)
- Q1. Programs based on scenarios
Interview Preparation Tips
- Java
- Kotlin
- Android
I applied via Naukri.com and was interviewed before Aug 2021. There were 3 interview rounds.
(3 Questions)
- Q1. Explain MVVM in detail
- Ans.
MVVM is a design pattern that separates UI code from business logic and data handling.
MVVM stands for Model-View-ViewModel
Model represents the data and business logic
View displays the UI and user interactions
ViewModel acts as a mediator between Model and View
ViewModel exposes data and commands to the View
Data binding is used to keep the View and ViewModel in sync
MVVM promotes testability and maintainability of code
- Q2. Kotlin sealed class, data class, scope functions
- Q3. Core Java basic questions
(2 Questions)
- Q1. Detail discussion on design patterns
- Q2. Basic kotlin or java programming
(1 Question)
- Q1. Details about notice period and salary
Interview Preparation Tips
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.
(4 Questions)
- Q1. Data class in kotlin
- Ans.
Data class in Kotlin is used to represent a simple data container with automatically generated methods like equals(), hashCode(), toString(), and copy().
Data classes are declared using the 'data' keyword before the class keyword.
Properties of data classes are automatically generated component functions for destructuring declarations.
Data classes cannot be abstract, open, sealed, or inner.
Example: data class User(val na
- Q2. Scope functions
- Q3. Explain viewmodel and mvvm
- Ans.
ViewModel is a class that stores and manages UI-related data in a lifecycle-conscious way. MVVM is an architectural pattern that separates the UI from the business logic.
ViewModel is part of the Android Architecture Components and is used to store and manage UI-related data in a lifecycle-conscious way.
ViewModel survives configuration changes such as screen rotations and retains its data.
MVVM stands for Model-View-View...
- Q4. Higher order functions
Skills evaluated in this interview
(2 Questions)
- Q1. All technical Jetpack concept no DSA questions and asked all theoretical questions
- Q2. What are coroutine, how to secure ur app data, network call in android , ssl pinning, notification's implementation through FCM, android basic questions
- Ans.
Coroutines are a way to perform asynchronous operations in Android, securing app data involves encryption, SSL pinning enhances security, FCM for notifications.
Coroutines are used for managing asynchronous operations in Android, allowing for efficient and non-blocking code execution.
Securing app data involves using encryption techniques such as AES to protect sensitive information from unauthorized access.
SSL pinning i...
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Skills evaluated in this interview
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Infosys Android App Developer Interview Process
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