INNOPIX Android App Developer Interview Questions and Answers

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, ...read more
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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...read more
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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
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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 ...read more
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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.

Q1. Read the given sentence
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Q2. Hear and answer the question
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Q1. Tell me about yourself
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Q2. About college project(as I am fresher) ,about internship, difficulties faced and how we solved it
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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
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Q2. What is difference between abstract class and interface
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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...read more
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Q1. Why are you looking for a change?
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Q2. Tell me about yourself.
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Q1. Agile, data class, how to initialize a class in activity?, dagger, difference between bind and provides annotation, unit test using mockito and junit
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