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Business Pro Creations Android App Developer Interview Questions, Process, and Tips
Business Pro Creations Android App Developer Interview Experiences
1 interview found
Interview Questionnaire
6 Questions
- Q1. Tell life cycle of activity and fragment.
- Ans.
The life cycle of an activity and fragment in Android determines how they are created, started, resumed, paused, stopped, and destroyed.
Activity life cycle: onCreate(), onStart(), onResume(), onPause(), onStop(), onDestroy()
Fragment life cycle: onAttach(), onCreate(), onCreateView(), onActivityCreated(), onStart(), onResume(), onPause(), onStop(), onDestroyView(), onDestroy(), onDetach()
Activity and fragment life cycle...
- Q2. Whar are different way to store data in android.
- Ans.
Different ways to store data in Android include SharedPreferences, SQLite database, Content Providers, and File system.
SharedPreferences: used to store key-value pairs
SQLite database: used for structured data storage
Content Providers: used for sharing data between applications
File system: used for storing files locally
- Q3. Tell how to store multiple data in mobile without using Sqlite.
- Ans.
One way to store multiple data in mobile without using SQLite is by using SharedPreferences.
SharedPreferences can be used to store key-value pairs of data.
It is a lightweight storage option and is easy to implement.
Data can be stored as primitive types, strings, or sets.
Example: Storing user preferences, app settings, or small amounts of data.
- Q4. How activity life cycle works on mobile.
- Ans.
The activity life cycle in Android refers to the sequence of events that occur when an activity is created, paused, resumed, and destroyed.
Activities have different states such as onCreate, onStart, onResume, onPause, onStop, and onDestroy.
The activity transitions between these states based on user interactions and system events.
For example, when an activity is first created, the onCreate method is called, followed by ...
- Q5. What technique you will use increase app performance.
- Ans.
To increase app performance, I would use techniques like code optimization, caching, multithreading, and reducing network calls.
Optimize code by removing unnecessary operations and improving algorithms
Implement caching to store frequently accessed data locally
Utilize multithreading to perform time-consuming tasks in the background
Reduce network calls by batching requests or using local storage
Use tools like Android Pro
- Q6. Write the output of given left join.
- Ans.
The output of a left join operation.
A left join returns all the rows from the left table and the matching rows from the right table.
If there is no match, NULL values are returned for the right table columns.
The output will have all the columns from the left table and the matching columns from the right table.
Skills evaluated in this interview
Interview questions from similar companies
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
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 ...
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
I applied via Campus Placement 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
Selected
I applied via Campus Placement and was interviewed before Aug 2023. There were 3 interview rounds.
There are 90 questions which are aptitude and reasoning and all, within 90 minutes of time we have solved all the problems.
There 2 coding questions there are easy level only in my opinion, within 1 hour we have solve.
(3 Questions)
- Q1. Indrouce about yourself
- Ans.
I am a passionate Android App Developer with 5 years of experience in creating user-friendly and innovative mobile applications.
5 years of experience in Android app development
Proficient in Java, Kotlin, and Android Studio
Strong understanding of UI/UX design principles
Experience with RESTful APIs and third-party libraries
Published apps on Google Play Store
- Q2. What are projects you have done
- Ans.
I have developed a shopping app, a fitness tracker app, and a social media app.
Developed a shopping app with user-friendly interface
Created a fitness tracker app to monitor daily activities
Designed a social media app with real-time messaging feature
- Q3. What are skills you had
- Ans.
I have strong skills in Java, Android Studio, UI/UX design, and problem-solving.
Proficient in Java programming language
Experience with Android Studio and Android app development
Knowledge of UI/UX design principles
Strong problem-solving skills
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
I appeared for an interview in Aug 2020.
Interview Questionnaire
1 Question
- Q1. What is the complicated issue that you have solved and what is the solution you have provided
- Ans.
Developed a real-time data processing system for a financial institution
Implemented a distributed system using Apache Kafka and Apache Storm
Designed a fault-tolerant architecture with multiple redundancy layers
Optimized the system for high throughput and low latency
Provided real-time monitoring and alerting using Grafana and Prometheus
Interview Preparation Tips
Associate Software Engineer Interview Questions & Answers
Tech Mahindra
Anonymous
posted on 14 Oct 2021
I applied via Walk-in and was interviewed before Oct 2020. There were 5 interview rounds.
Interview Questionnaire
4 Questions
- Q1. 1.OOP concepts
- Q2. SQL Queries
- Q3. Tell me about your self
- Q4. My background
Interview Preparation Tips
HR interview was quite easy.
HR interview is for just checking your confidence, willingness to ajdust to Corparate world.
I applied via Recruitment Consultant and was interviewed in Jun 2019. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. What are the addon that can be added with spring boot ? What is the spring boot ? What are the ways of configuring a bean in spring? And core java realted stuff.
- Ans.
Answering questions related to Spring Boot and core Java
Spring Boot addons include Spring Security, Spring Data, and Spring Cloud
Spring Boot is a framework for building standalone, production-grade Spring-based applications
Ways of configuring a bean in Spring include XML configuration, Java-based configuration, and annotation-based configuration
Core Java topics include OOP concepts, collections, multithreading, and exc
Interview Preparation Tips
According to my experience i would not sugget to join HCL .
Skills evaluated in this interview
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