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Apprication Android Developer Interview Questions and Answers
Apprication Android Developer Interview Experiences
1 interview found
Anonymous
(1 Question)
- Q1. Android basic and advanced questions on MVVM architecture and other stuffs.
An user details app had to be developed which fetch data from api and store it to room database
(1 Question)
- Q1. Ask questions from project developed and other technical questions
Interview questions from similar companies
I applied via Recruitment Consulltant and was interviewed in Jun 2024. There were 2 interview rounds.
(2 Questions)
- Q1. What is MVVM design how it's work
- Ans.
MVVM is a design pattern that separates the UI, business logic, and data layers in an Android app.
MVVM stands for Model-View-ViewModel.
Model represents the data and business logic.
View is the UI component that displays the data.
ViewModel acts as a mediator between the Model and View, handling user interactions and updating the UI.
Data binding is often used to connect the ViewModel with the View in MVVM.
Example: In an A...
- Q2. What is a Content Provider
- Ans.
A Content Provider is a component in Android that manages access to a structured set of data.
Content Providers are used to share data between different applications.
They provide a standard interface for connecting data in one process with code running in another process.
Content Providers can be used to store and retrieve data from a SQLite database, a file, or even the web.
Examples of Content Providers include Contacts
(2 Questions)
- Q1. Internally how work retrofit and which patter is follow
- Q2. Solid Priciple
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
(2 Questions)
- Q1. Basic technical knowledge question
- Q2. Android related questions
(2 Questions)
- Q1. Communication skill
- Q2. Salary regarding questions
I applied via Walk-in and was interviewed in May 2024. There was 1 interview round.
(3 Questions)
- Q1. Basics of Kotlin
- Q2. Jetpack component.
- Q3. One from data structure.
(2 Questions)
- Q1. Basic data structure questions
- Q2. Explain binary search with example
- Ans.
Binary search is a search algorithm that finds the position of a target value within a sorted array.
Divide the array into two halves and compare the target value with the middle element.
If the target value is less than the middle element, search the left half. If greater, search the right half.
Repeat the process until the target value is found or the subarray is empty.
(1 Question)
- Q1. What is concurrency technique in android
- Ans.
Concurrency technique in Android allows multiple tasks to run simultaneously, improving performance and responsiveness.
Concurrency in Android can be achieved using AsyncTask, Handlers, Executors, and RxJava.
AsyncTask allows running background tasks on a separate thread and updating UI on the main thread.
Handlers are used to post and process Runnable objects on a thread's message queue.
Executors provide a high-level API...
(1 Question)
- Q1. Explain about previous project and what was your role in that project
Skills evaluated in this interview
Shashank Singh
(2 Questions)
- Q1. How to check if a number is palindrome?
- Ans.
To check if a number is palindrome, reverse the number and compare it with the original number.
Convert the number to a string to easily reverse it
Reverse the string and compare it with the original string
If they are the same, the number is a palindrome
- Q2. How to find smallest number in a list?
- Ans.
To find the smallest number in a list, iterate through the list and keep track of the smallest number found so far.
Iterate through the list and compare each number with the current smallest number.
If a number is smaller than the current smallest number, update the smallest number.
Return the smallest number found after iterating through the entire list.
Skills evaluated in this interview
I applied via Instagram and was interviewed in Mar 2024. There were 3 interview rounds.
Profit and loss syllogism
2 questions string questions and array questions easy
(2 Questions)
- Q1. Ask to give self intro
- Q2. Brief Question about certificate
I applied via Naukri.com and was interviewed in Nov 2023. There was 1 interview round.
(2 Questions)
- Q1. DONT REMEMBER THE QUESTIONS
- Q2. I FORGOT THE QUESTION ASKED
Interview Preparation Tips
(1 Question)
- Q1. Sort array in 0(n) time complexity
- Ans.
Use counting sort algorithm to achieve O(n) time complexity.
Count the frequency of each string in the array.
Create a new array based on the frequency counts.
Iterate through the new array to reconstruct the sorted array.
Coding test based on array
Skills evaluated in this interview
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