/App-Development-Android-Kotlin

30-Day Kotlin Learning Roadmap

Welcome to the 30-day Kotlin learning journey! This roadmap will guide you through the essential concepts of the Kotlin programming language. Each day, you'll cover a new topic and practice what you've learned.

Week 1: Kotlin Basics

  • Day 1: Introduction to Kotlin

    • What is Kotlin?
    • Setting up development environment.

  • Day 2: Variables and Data Types

    • Declaring variables and constants.
    • Understanding primitive and reference data types.

  • Day 3: Control Flow

    • Conditional statements: if-else, when.
    • Loops: for, while.

  • Day 4: Functions

    • Defining functions and their parameters.
    • Return types and function overloading.

  • Day 5: Null Safety

    • Handling null values using safe calls and Elvis operator.
    • Working with nullable types.

Week 2: Object-Oriented Programming

  • Day 6: Classes and Objects

    • Creating classes and instances.
    • Constructors and properties.

  • Day 7: Inheritance and Interfaces

    • Extending classes using inheritance.
    • Implementing interfaces.

  • Day 8: Extension Functions

    • Adding new functionality to existing classes.
    • Advantages and use cases.

  • Day 9: Data Classes and Sealed Classes

    • Creating data classes for modeling.
    • Using sealed classes for restricted hierarchies.

  • Day 10: Coroutines Basics

    • Introduction to asynchronous programming.
    • Launching coroutines and basic usage.

Week 3: Intermediate Kotlin

  • Day 11: Advanced Coroutines

    • Coroutine scopes and structured concurrency.
    • Exception handling in coroutines.

  • Day 12: File I/O and Exception Handling

    • Reading and writing files using Kotlin.
    • Try-catch blocks and custom exceptions.

  • Day 13: Functional Programming Concepts

    • Immutability, pure functions, and side effects.
    • Using map, filter, and reduce operations.

  • Day 14: Android Development Basics (Optional)

    • Overview of Android app components.
    • Setting up a basic Android project.

  • Day 15: Project: Simple Command-Line Utility

    • Apply your Kotlin knowledge to create a utility.

Week 4: Android Development with Kotlin

  • Day 16: UI Layouts and Views

    • Creating UI layouts using XML.
    • Using common UI components.

  • Day 17: Activities and Intents

    • Managing app screens using activities.
    • Navigating between activities with intents.

  • Day 18: Fragments and Navigation Component

    • Modularizing UI with fragments.
    • Implementing navigation with the Navigation Component.

  • Day 19: Room Database

    • Setting up a local database using Room.
    • Defining entities and DAOs.

  • Day 20: Networking and Retrofit

    • Making network requests using Retrofit.
    • Parsing JSON responses.

Week 5: Advanced Topics and Projects

  • Day 21: ViewModel and LiveData

    • Managing UI-related data with ViewModel.
    • Observing data changes using LiveData.

  • Day 22: Dependency Injection with Hilt

    • Integrating Hilt for dependency injection.
    • Improving code organization.

  • Day 23: Project: Basic Android App

    • Building a simple Android app using Kotlin.

  • Day 24: Project: Kotlin Android App with Networking

    • Creating an app that fetches data from an API.

  • Day 25: Project: Showcase Your Learning

    • Apply Kotlin and Android concepts to create a more advanced project.

Week 6: Review and Future Exploration

  • Day 26-27: Project Refinement and Documentation

    • Review and refine your previous projects.
    • Document your code, add comments, and improve readability.

  • Day 28-29: Exploring Advanced Kotlin Concepts

    • Dive deeper into advanced Kotlin features like delegation, inline functions, and custom property accessors.

  • Day 30: Future Learning Plans

    • Reflect on your progress and plan your next steps in mastering Kotlin.
    • Explore other Kotlin-related technologies and libraries.

Contributing

If you have any suggestions, corrections, or improvements to this roadmap, feel free to contribute by creating a pull request.

License

This roadmap is licensed under the MIT License.