Maveric Systems Senior Android Developer Interview Questions and Answers

Q1. What are your strengths
Ans. 
My strengths include strong problem-solving skills, attention to detail, and a passion for learning new technologies.
• Strong problem-solving skills

• Attention to detail

• Passion for learning new technologies
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Q2. What are your weekness
Ans. 
My weakness is that I tend to be overly critical of my own work, which can sometimes lead to perfectionism.
• I have a tendency to spend too much time on a task to ensure it is perfect

• I struggle with delegating tasks to others because I want to make sure they are done correctly

• I can be overly self-critical, which can affect my confidence
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Q1. What are your strengths
Ans. 
My strengths include strong problem-solving skills, attention to detail, and a passion for learning new technologies.
• Strong problem-solving skills

• Attention to detail

• Passion for learning new technologies
Answered by AI
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Q2. What are your weekness
Ans. 
My weakness is that I can be overly critical of my own work, which can sometimes lead to perfectionism.
• I tend to spend too much time on a task to ensure it is perfect

• I have difficulty delegating tasks to others

• I can be too self-critical and have high expectations for myself
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45 minutes logical reasoing coding mocqs

Not abale to sahre something yes do this wo this

Q1. Difference Between Dispatch Queue and OperationalQueue
Ans. 
Dispatch Queue is a high-level API for managing concurrent operations, while OperationQueue is built on top of Dispatch Queue and adds additional features for managing operation objects.
• Dispatch Queue is a lightweight way to execute tasks serially or concurrently, while OperationQueue is used to manage operation objects that represent tasks.

• OperationQueue allows for dependencies between operations, while Dispatch Queue...read more
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Q2. SOLID Principle
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Q1. Programming task
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Started with a normal assignment. A basic form application with few operation

Q1. Javascript basics and React native
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Q2. Closures,let var and const
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Q3. Threads of javascript, Architecture
Ans. 
Threads of javascript refer to the concept of asynchronous programming in JavaScript. Architecture in this context likely refers to the overall structure and organization of a React Native application.
• JavaScript is single-threaded, meaning it can only execute one piece of code at a time. Asynchronous programming allows for non-blocking operations, improving performance and user experience.

• React Native architecture typi...read more
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Q4. Storage, Secure storage, Offline app handling
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Q5. Push notification, Camera, geomaps
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Q1. Basic questions related to opps, kotlin and some scenario based question
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Q1. Techincal basic questiin
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Q1. What are the different types of interfaces?
Ans. 
Different types of interfaces include user interfaces, hardware interfaces, and software interfaces.
• User interfaces: allow users to interact with the system, such as graphical user interfaces (GUI) and command-line interfaces (CLI)

• Hardware interfaces: connect hardware components to the system, such as USB, HDMI, and Ethernet ports

• Software interfaces: define how software components interact with each other, such as appl...read more
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Q2. What is the output of the program when the expression is evaluated as 0 divided by 7?
Ans. 
The output of the program when 0 is divided by 7 is 0.
• Division of 0 by any number results in 0.

• In programming languages, dividing by 0 usually results in an error or undefined behavior.
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Q3. What are coroutines, scope functions, and visibility modifiers?
Ans. 
Coroutines, scope functions, and visibility modifiers are key concepts in Kotlin programming for Android development.
• Coroutines are a way to perform asynchronous programming in a sequential manner. They allow for non-blocking operations.

• Scope functions are functions that allow you to execute a block of code within the context of an object. Examples include 'let', 'apply', 'run', 'also', and 'with'.

• Visibility modifiers ...read more
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Q1. What is the MVVM (Model-View-ViewModel) architectural pattern?
Ans. 
MVVM is an architectural pattern that separates the user interface from the business logic and data handling in Android development.
• Model represents the data and business logic of the application.

• View is responsible for displaying the UI elements and sending user interactions to the ViewModel.

• ViewModel acts as a mediator between the Model and the View, handling the communication and data flow.

• MVVM helps in achieving se...read more
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Q2. What are the reasons for using that, and what are its pros and cons?
Ans. 
Using dependency injection in Android development can improve code maintainability and testability.
• Pros: easier to manage dependencies, promotes code reusability, facilitates unit testing

• Cons: initial setup can be complex, may introduce overhead in smaller projects

• Example: Using Dagger 2 for dependency injection in an Android project
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Q3. Questions related Dependency injection dagger-hilt / koin
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