HCL Group Android App Developer Interview Questions and Answers

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.

Q1. Read the given sentence
Add your answer
Q2. Hear and answer the question
Add your answer

Q1. Tell me about yourself
Add your answer
Q2. About college project(as I am fresher) ,about internship, difficulties faced and how we solved it
Add your answer

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
Answered by AI
Add your answer
Q2. Kotlin sealed class, data class, scope functions
Add your answer
Q3. Core Java basic questions
Add your answer

Q1. Detail discussion on design patterns
Add your answer
Q2. Basic kotlin or java programming
Add your answer

Q1. Details about notice period and salary
Add your answer

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
Answered by AI
Add your answer
Q2. Scope functions
Add your answer
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...read more
Answered by AI
Add your answer
Q4. Higher order functions
Add your answer

Q1. All technical Jetpack concept no DSA questions and asked all theoretical questions
Add your answer
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...read more
Answered by AI
Add your answer

Q1. Basic technical knowledge question
Add your answer
Q2. Android related questions
Add your answer

Q1. Communication skill
Add your answer
Q2. Salary regarding questions
Add your answer

Q1. Lifecycle of the Activity
Ans. 
The lifecycle of an Activity in Android refers to the series of states an Activity goes through from creation to destruction.
• An Activity goes through states like onCreate, onStart, onResume, onPause, onStop, onDestroy, etc.

• Each state has specific methods that can be overridden to perform actions at that state.

• For example, onCreate is called when the Activity is first created, onResume is called when the Activity is bro
Answered by AI
Add your answer
Q2. Push notification
Add your answer
Q3. About the project mentioned in the resume
Add your answer

Flutter dart language

Flutter ui design and programming

Q1. How many years experience in your field
Add your answer
Q2. Pass experience
Add your answer

Q1. Technical questions for dart
Add your answer