Photon Interactive Senior Android Application Developer Interview Questions, Process, and Tips

Q1. Android Architecture, HAL, ANR, MVVM, MVP, Kotlin basic to advance.
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Q1. Solid principles, core java,kotlin
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Q2. Mvvm,mvp,mvc,flows
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Q3. State flow shared flow
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Q4. Builder pattern
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Q1. Technical scenarios
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Q2. Java coding,data structures
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Q3. Algo,complex views,compose
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Q1. HR will ask general questions about your technical and education details
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Q1. Basic Android questions Basic Java questions Basic OOPs questions Questions on Android framework, jetpack, database and XML Questions on kotlin
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Q1. Salary and work nature discussion
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Q1. Briefly explain about your self and work experience
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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
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Q2. What is Higher order function
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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.
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Q3. What is inline keyword
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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
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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...read more
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Q2. How do you handle the Team during your team lead experience
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Basic Array programs

Q1. MVVM Architecture
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Q2. Dependency Injection
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Q1. Kotlin Java Jetpack
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Testing of basic android skills

Q1. Basic of project structure
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Q1. Diffr between MVP and MVVM.
Ans. 
MVP and MVVM are architectural patterns used in Android development.
• MVP stands for Model-View-Presenter and separates the presentation layer from the business logic.

• MVVM stands for Model-View-ViewModel and separates the presentation layer from the data layer.

• MVP uses a passive view, where the view is dumb and only displays data provided by the presenter.

• MVVM uses a reactive view, where the view observes changes in the ...read more
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Q2. Kotlin basics, agile and CI/CD pipeline.
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