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Limpidstone Technology Android Mobile Application Developer Interview Questions, Process, and Tips
Limpidstone Technology Android Mobile Application Developer Interview Experiences
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Android Mobile Application Developer Interview Questions & Answers
Farheen Fatma
posted on 5 Jun 2023
I applied via Walk-in and was interviewed in May 2023. There were 2 interview rounds.
(5 Questions)
- Q1. What is Array?And how will you find index of array?
- Ans.
An array is a data structure that stores a collection of elements of the same type. The index of an array is the position of an element within the array.
Arrays are used to store multiple values in a single variable.
To find the index of an element in an array, you can use the indexOf() method.
Example: String[] array = {"apple", "banana", "orange"}; int index = Arrays.asList(array).indexOf("banana");
- Q2. What is Shared Preference
- Ans.
Shared Preference is a way to store key-value pairs in Android applications.
Used to store small amounts of data locally on the device
Data persists even after the app is closed
Can be used to store user preferences, settings, etc.
Example: Storing user login credentials
- Q3. Lifecycle of Android
- Ans.
The Android lifecycle refers to the series of states an app goes through from when it is first launched to when it is closed.
The Android lifecycle includes states such as onCreate, onStart, onResume, onPause, onStop, and onDestroy.
Activities and fragments have their own lifecycle methods that are called at different points in the overall app lifecycle.
Understanding the Android lifecycle is important for managing resour...
- Q4. What is fragment
- Ans.
A fragment is a modular section of an activity that has its own lifecycle, layout, and behavior.
Fragments are reusable components that can be used in multiple activities.
They can be added or removed from an activity dynamically.
Fragments allow for better organization and reusability of code.
Examples include a navigation drawer, a list of items, or a settings screen.
- Q5. How to pass data from one activity to another activity?
- Ans.
Data can be passed between activities using Intent and Bundle.
Create an Intent object in the sending activity
Add data to the Intent using putExtra() method
Start the new activity by calling startActivity() with the Intent
Retrieve the data in the receiving activity using getIntent() and getExtra()
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
Android Mobile Application Developer Interview Questions & Answers
Accenture
Anonymous
posted on 9 Jan 2024
Selected
I applied via Recruitment Consulltant and was interviewed in Dec 2023. There were 3 interview rounds.
(13 Questions)
- Q1. Android Activity LifeCycel
- Q2. Android Fragment Life Cycle. The interviewer asked me which life cycle methods get triggered in different scenarios.
- Q3. Higher Order and Lambda Functions in Kotlin
- Ans.
Higher Order and Lambda Functions in Kotlin
Higher order functions are functions that take other functions as parameters or return functions
Lambda functions are anonymous functions that can be used as arguments or return values in higher order functions
They provide a concise way to write code and enable functional programming in Kotlin
- Q4. Kotlin OOPS concepts - Classes, Objects inheritance, Polymorphism, Encapsulation, Abstraction, Interfaces, Visibility Modifiers, Companion Object, Object Expression, Object Declaration
- Q5. Intents, Intent Filter, Broadcast Recievers, Push Notifications
- Q6. Unit Testing and UI Testing
- Q7. Multi Modular Project structure
- Ans.
Multi Modular Project structure is an architectural approach that divides an application into multiple modules for better organization and scalability.
Divide the application into separate modules based on functionality or features.
Each module should have its own set of code, resources, and dependencies.
Modules can communicate with each other through defined interfaces or APIs.
Modularization helps in code reusability, e...
- Q8. MVVM architecture, VM advantages, Livedata
- Q9. Multi Threading, Coroutines
- Q10. Dependency Injection
- Q11. Showed me Some Kotlin codes and ask me to explain those codes and tell the output
- Q12. Null Pointer Prevention and Type safety in kotlin
- Ans.
Null pointer prevention and type safety in Kotlin
Kotlin uses nullable and non-nullable types to prevent null pointer exceptions
The safe call operator '?' can be used to safely access nullable variables
The '!!' operator can be used to explicitly throw a null pointer exception
Kotlin's type system ensures type safety by checking types at compile-time
- Q13. Scope functions
(1 Question)
- Q1. Just basic details like current salary, expectation, Notice Period, Location Preferences
(1 Question)
- Q1. This was basically salary negotiation round
Interview Preparation Tips
Accenture Toll free Helpdesk is very helpful.
Skills evaluated in this interview
Android Mobile Application Developer Interview Questions & Answers
TCS
Anonymous
posted on 12 Sep 2022
I applied via Campus Placement and was interviewed in Aug 2022. There were 2 interview rounds.
By Tcs hiring process
Some dsa questions
Like based on kadane algorithm
And some implementations based questions
Interview Preparation Tips
Do coding practice on
Codeforces
Leetcode
Codechef
Atcoder
Careercup
Topcoder
Hackerrank
Hackerearth
And some more platforms
IOS Application Developer Interview Questions & Answers
LTIMindtree
Pradip Walghude
posted on 20 Dec 2024
(4 Questions)
- Q1. 1. Swift UI and iOS Fundamental and OOPS Concept
- Q2. Combine Framework
- Q3. How to handle Concurrency in swift
- Ans.
Concurrency in Swift can be handled using Grand Central Dispatch (GCD) and Operation Queues.
Use GCD to perform tasks concurrently by creating dispatch queues.
Use Operation Queues to manage and execute multiple operations concurrently.
Avoid race conditions by using serial queues or synchronization techniques like semaphores or locks.
- Q4. Please explain iOS app distributions methods
- Ans.
iOS app distribution methods include App Store, Ad Hoc, Enterprise, and TestFlight.
App Store distribution is for public release and requires Apple's review process.
Ad Hoc distribution allows sharing apps with a limited number of devices.
Enterprise distribution is for in-house apps within a company.
TestFlight is for beta testing with external testers before App Store release.
(1 Question)
- Q1. Technical evaluvation
(1 Question)
- Q1. Behavioural and salary discussion
I applied via Approached by Company and was interviewed in Nov 2024. There were 2 interview rounds.
(3 Questions)
- Q1. Briefly explain about your self and work experience
- Ans.
I am a Senior Android Developer with 5+ years of experience in developing mobile applications for various industries.
Developed and maintained multiple Android applications from concept to deployment
Proficient in Java, Kotlin, and Android SDK
Experience with RESTful APIs, third-party libraries, and version control systems like Git
Strong problem-solving skills and ability to work in a team environment
Familiar with Agile d
- Q2. What is Higher order function
- Ans.
Higher order function is a function that can take other functions as parameters or return functions as results.
Higher order functions can be passed as arguments to other functions.
Higher order functions can return functions as results.
Examples include map, filter, and reduce functions in functional programming.
- Q3. What is inline keyword
- Ans.
The inline keyword is used in Kotlin to suggest that a function should be inlined at the call site.
Used to eliminate the overhead of function calls by copying the function code directly at the call site
Helps in improving performance by reducing the function call overhead
Should be used for small functions or lambdas to avoid unnecessary function call overhead
(2 Questions)
- Q1. Explain the Agail methodology
- Ans.
Agile methodology is a project management approach that emphasizes flexibility, collaboration, and iterative development.
Agile methodology focuses on delivering working software in short, iterative cycles called sprints.
It values customer collaboration and responding to change over following a strict plan.
Key principles include individuals and interactions over processes and tools, working software over comprehensive d...
- Q2. How do you handle the Team during your team lead experience
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Sep 2024. There was 1 interview round.
(2 Questions)
- Q1. What is mvvm in swift?
- Ans.
MVVM (Model-View-ViewModel) is a design pattern used in Swift to separate the user interface logic from the business logic.
MVVM divides the code into three main components: Model, View, and ViewModel.
Model represents the data and business logic of the application.
View displays the data and interacts with the user.
ViewModel acts as a mediator between the Model and View, handling the logic for the View.
MVVM helps in maki...
- Q2. What is multithreading
- Ans.
Multithreading is the ability of a CPU to execute multiple threads concurrently, allowing for improved performance and responsiveness in applications.
Multithreading allows multiple tasks to be executed simultaneously on a single CPU core.
It can improve performance by utilizing idle CPU time for other tasks.
Examples include running background tasks while the main thread handles user interactions in an iOS app.
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...
Interview Preparation Tips
Skills evaluated in this interview
(1 Question)
- Q1. Basic questions from Swift
(2 Questions)
- Q1. Basic technical knowledge question
- Q2. Android related questions
(2 Questions)
- Q1. Communication skill
- Q2. Salary regarding questions
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