📱 Android Kotlin Machine Coding Round (MCR) Challenges

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This repository contains solutions to commonly asked Machine Coding Round (MCR) problems in Android Development using Kotlin. It serves as a practice hub for Android developers preparing for coding interviews.

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🚀 Features

• ✅ Real-world Machine Coding Problems
• ✅ Best Practices & Clean Code
• ✅ MVVM Architecture
• ✅ Jetpack Components (ViewModel, LiveData, Room, etc.)
• ✅ Dependency Injection (Hilt)
• ✅ Unit Testing & UI Testing
• ✅ Modern Android Development (MAD) Practices

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📂 Project Structure

android-kotlin-mcr/
│── app/
│   ├── src/
│   │   ├── main/
│   │   │   ├── java/com/imthiyas/
│   │   │   │   ├── data/        # Data Layer (Repositories, Models)
│   │   │   │   ├── ui/          # UI Layer (Activities, Fragments)
│   │   │   │   ├── di/          # Dependency Injection (Hilt Modules)
│   │   │   │   ├── utils/       # Utility Classes
│   │   │   │   ├── viewmodel/   # ViewModel Layer
│   │   │   ├── res/             # UI Resources (Layouts, Drawables, Strings)
│   ├── build.gradle
│── README.md

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📌 10 Most Commonly Asked Android MCR Questions

These are the most frequently asked coding problems in Android Machine Coding Rounds:

1️⃣ Todo App with MVVM and Room

• Implement a simple to-do list using MVVM architecture and Room Database.
• Features: Add, Update, Delete tasks with LiveData & Coroutines.

2️⃣ Real-time Search in RecyclerView

• Implement a searchable RecyclerView with LiveData & Flow for filtering data dynamically.

3️⃣ API Integration with Retrofit and Coroutines

• Fetch data from an API using Retrofit and display it in a RecyclerView with proper error handling.

4️⃣ Background Sync with WorkManager

• Implement periodic background sync using WorkManager to fetch and store data offline.

5️⃣ Multi-threading with Coroutines

• Implement an app that processes large data using Coroutines, Flow, and Dispatchers for multi-threading.

6️⃣ Dependency Injection with Hilt

• Build a small project where dependencies are injected using Hilt for a cleaner architecture.

7️⃣ Jetpack Compose UI Implementation

• Create a modern UI screen using Jetpack Compose, implementing State Management & Navigation.

8️⃣ Navigation Component & Deep Linking

• Implement multi-screen navigation using Navigation Component & Deep Linking.

9️⃣ Crash & Performance Monitoring

• Integrate Firebase Crashlytics and Performance Monitoring into an app.

🔟 Location Tracking with Google Maps API

• Build an app that fetches live location and shows it on Google Maps using FusedLocationProvider.

🧑‍💻 Contributing

🔹 Contributions are welcome! Feel free to submit issues and pull requests.

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