LaHagora Android Developer Interview Questions, Process, and Tips

Q1. Tell me about yourself
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I am a passionate Android developer with 5 years of experience in building mobile applications.
• 5 years of experience in Android development

• Proficient in Java and Kotlin programming languages

• Strong understanding of mobile UI/UX design principles

• Experience with RESTful APIs and third-party libraries

• Published apps on Google Play Store
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Q2. How many projects did you worked
Ans. 
I have worked on 8 projects in total, ranging from small personal projects to large-scale applications for companies.
• Worked on 2 personal projects to improve my skills and showcase my abilities

• Collaborated on 3 projects with a team of developers to create mobile applications for clients

• Led development on 1 project for a startup company to build a custom Android app

• Contributed to 2 open-source projects to give back to t
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Q3. How many experience in kotlin
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I have 3 years of experience in Kotlin, including developing Android apps and libraries.
• Developed multiple Android apps using Kotlin

• Worked on Kotlin libraries for code reusability

• Experience with Kotlin coroutines for asynchronous programming
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Movies listing coming from api , you have show it and in 2nd screen u have implement filtration

Q1. Main components of Android
Ans. 
The main components of Android are Activities, Services, Broadcast Receivers, and Content Providers.
• Activities: UI components that represent a single screen with a user interface.

• Services: Background components that perform long-running operations.

• Broadcast Receivers: Respond to system-wide broadcast announcements.

• Content Providers: Manage access to a structured set of data.
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Q2. Basics about kotlin
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Q3. In Livedata what is difference between senddata and postdata
Ans. 
In LiveData, the difference between sendData and postData is that sendData delivers data immediately, while postData delivers data after a delay.
• sendData delivers data immediately to all active observers.

• postData delivers data after a delay to all active observers.

• sendData is synchronous, while postData is asynchronous.
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Q4. What are container in xml
Ans. 
Containers in XML are used to group multiple elements together.
• Containers are used to organize and group related elements in XML.

• They help in structuring the XML document and making it more readable.

• Examples of containers in XML include <div>, <section>, <table>, etc.
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Q5. Difference between MVVM and clean architecture
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MVVM focuses on separating UI logic from business logic, while clean architecture focuses on separation of concerns and scalability.
• MVVM stands for Model-View-ViewModel, where the ViewModel acts as a mediator between the View and the Model.

• Clean architecture emphasizes separation of concerns, with layers like domain, data, and presentation.

• MVVM helps in testing UI components independently, while clean architecture prom...read more
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Q6. Why we use XML
Ans. 
XML is used for storing and transporting data in a structured format.
• XML allows for easy organization and manipulation of data.

• It is commonly used for configuration files, web services, and data interchange.

• XML tags provide a way to define the structure of data, making it easier to understand and process.

• XML is platform-independent and can be easily parsed by different programming languages.
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Q7. What is fragments
Ans. 
Fragments in Android are modular sections of an activity that enable more flexible and dynamic user interfaces.
• Fragments can be added, removed, replaced, and rearranged within an activity.

• They allow for better organization of UI components and can be reused across multiple activities.

• Fragments have their own lifecycle and can communicate with the activity and other fragments using interfaces.

• Examples include using frag...read more
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Q8. What is services in Android
Ans. 
Services in Android are background components that perform long-running operations without a user interface.
• Services run in the background and continue to run even if the app is closed.

• They can be used for tasks such as playing music, downloading files, or syncing data.

• Services can be started or bound to by other components in the app.

• They can be classified as started services (run once and stop) or bound services (int
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Q9. What is broadcast receiver
Ans. 
A broadcast receiver is a component that responds to system-wide broadcast announcements.
• Broadcast receivers can be registered either in the AndroidManifest.xml file or dynamically in code.

• They can listen for system events like battery low, network connectivity changes, incoming calls, etc.

• Broadcast receivers can be used to trigger actions in response to specific events, such as displaying a notification when a new SMS
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Q10. What is oops concepts in detail
Ans. 
OOP concepts are fundamental principles in object-oriented programming that help in organizing and designing code.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Allowing a class to inherit properties and behavior from another class.

• Polymorphism: The ability of objects to take on multiple forms or have multiple behaviors.

• Abstraction: Hiding the complex implement...read more
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Q1. It will around that practical round
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