Persistent Systems Senior Android Developer Interview Questions and Answers

Q1. Questions related to koltin
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Q2. Jetpack compose uses
Ans. 
Jetpack Compose is a modern Android UI toolkit that simplifies and accelerates UI development.
• Declarative UI: Jetpack Compose allows developers to build UI using a declarative programming model.

• State management: Jetpack Compose handles state management efficiently, making it easier to update UI based on data changes.

• Compose functions: Developers can create reusable UI components using Compose functions.

• Interoperability...read more
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Q3. Difference between remember and rememberSaveable
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remember is used to store a value in a composable function, while rememberSaveable is used to store a value that survives configuration changes.
• remember is used to store a value that does not survive configuration changes

• rememberSaveable is used to store a value that survives configuration changes, such as rotation of the device

• rememberSaveable is typically used for storing view model data in Jetpack Compose
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Q4. Coroutines parallel and sequential processing
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The question about prblm solving

Any presentation or pdf to submit it at any topic or else to explain it

The discussion with my team mate

Q1. Fragment, Activity, Manifest, Android basics, Service, Intent
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Q1. About project, Skills, Roles and Responsibilities
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Q1. Package discussion, Documentation
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Q1. 1. Swift UI and iOS Fundamental and OOPS Concept
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Q2. Combine Framework
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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.
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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.
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Q1. Technical evaluvation
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Q1. Behavioural and salary discussion
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Q1. Basic ios development questions
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Q2. Core data or any other data base
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Q1. Some basic Questions related to iOS concepts.
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Q2. Multithreading and multitasking.
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Q1. Advanced iOS Questions.
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Q2. API Calling, Json Parsing
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Q1. Basics of Android
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Q1. Technical implementation
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Q1. Company fit culture test
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Q1. Android Basics on mvvm architecture
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Q2. Navigation Component
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Q3. Jetpack components- work manager, viewmodel
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Q1. Managerial questions
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