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Photon Interactive
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I applied via LinkedIn and was interviewed in Nov 2024. There was 1 interview round.
Created an app which take data from API service and show in a list using jetpack compose
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
MVVM is an architectural pattern used in software development, particularly in Android apps, to separate the user interface from the business logic.
MVVM stands for Model-View-ViewModel
Model represents the data and business logic
View is the UI component that displays the data and interacts with the user
ViewModel acts as a mediator between the Model and View, handling user interactions and updating the Model
MVVM helps in...
Sealed classes in Kotlin are used to represent restricted class hierarchies.
Sealed classes can have a limited set of subclasses defined within the same file.
They are useful for representing a fixed set of types in a hierarchy.
Sealed classes are often used in when expressions for exhaustive checks.
Extension functions in Kotlin allow you to add new functions to existing classes without modifying their source code.
Extension functions are defined outside of the class they extend.
They can be called on instances of the class as if they were regular methods.
They can access the properties and methods of the class they extend.
Example: fun String.isEmailValid(): Boolean { ... }
Example: fun Int.isEven(): Boolean { ... }
Null safety in Kotlin ensures that variables cannot hold null values unless explicitly specified.
Kotlin uses nullable and non-nullable types to enforce null safety.
The '?' operator is used to declare a variable as nullable.
Safe call operator '?.' is used to safely access properties or methods of nullable objects.
The '!!' operator is used for force unwrapping nullable types, but can lead to NullPointerExceptions.
Room database is a persistence library that provides an abstraction layer over SQLite to allow for more robust database access while harnessing the full power of SQLite.
Room database simplifies database interactions by providing compile-time verification of SQL queries.
It consists of three main components: Entity, DAO (Data Access Object), and Database.
Entities represent tables in the database, DAOs define methods to i...
Convert vowels in a string to uppercase
Iterate through each character in the string
Check if the character is a vowel (a, e, i, o, u)
If it is a vowel, convert it to uppercase
Jet Compose is a modern UI toolkit for building native Android apps using a declarative approach.
Jet Compose is a declarative UI framework for building Android apps.
It allows developers to create UI components using Kotlin code.
Jet Compose simplifies UI development by eliminating the need for XML layouts.
It provides a more flexible and efficient way to create dynamic UIs.
Jet Compose is part of the Jetpack libraries pro
I applied via Recruitment Consulltant and was interviewed in Apr 2024. There were 2 interview rounds.
45 MCQ Questions - related to. - Activity, Fragment, compose, coroutine, flow and 1 coding question print the sum of all even number in an array
Data Structure , Activity , Collection
Photon Interactive interview questions for designations
Top trending discussions
I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.
I applied via Newspaper Ad and was interviewed before Jun 2021. There were 3 interview rounds.
I applied via Referral and was interviewed before Apr 2021. There were 2 interview rounds.
Puzzles, Psychometric Test
I applied via Walk-in and was interviewed before Jan 2022. There were 3 interview rounds.
Aptitude test duration 90 min 100 question
Coding test 50 code 100 marks 60 min
I applied via Company Website and was interviewed before Jun 2021. There were 2 interview rounds.
First round was coding as well as aptitude done together went well I guess focusing on codes helps a lot.
I was interviewed in Sep 2016.
I am a passionate software developer with experience in Java, Python, and web development.
Experienced in Java, Python, and web development technologies
Strong problem-solving skills and ability to work in a team
Completed multiple projects including a web-based inventory management system
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