🤖 Android Roadmap

A roadmap for android developers that can guide you from the very basics of the track and help you improve your skills.

First of all, we have to talk about

📗 Why should you learn Android development?

With a global presence on over 3 billion Android devices, spanning smartphones 📱, TVs 📺, smartwatches ⌚, cars 🚗, and more, Android app development is indispensable for businesses looking to reach 3.6 billion users worldwide.

Levels is.....

• Basic level
• Intermidate level
• Advanced advanced

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🔴 we will start with basic level

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Start With Java (Optional)

📋 Resources: choose only one resource (Arabic or english)

Arabic

• Java from zero
• Abdullah Almehmadi:
  1. Java 101
  2. Java 102
  3. Java 103
  4. Java 104
• OOP

English Crash course

Check this

• 1- kotlin

  

so why kotlin ...

After Google I/O 2017 where Google announced first-class support for Kotlin on Android, Kotlin has become used by more and more Android developers and now it's used by over 60% of professional Android developers, for that each Android developer must learn it. Learn More

Content

Introduction Hello World Functions Variables Null Safety Classes Generics Inheritance

Control Flow When Loops Ranges Equality Checks Conditional Expression

Special Classes Data Classes Enum Classes Sealed Classes Object Keyword

Functional Higher-Order Functions Lambda Functions Extension Functions and Properties

Collections List Set Map filter map

Scope Functions let run with apply also

Resources

official Docs:
• here (recommended)

Arabic:
• Check this playlist to video no. 39

English:
• Check this course (Udacity) (recommended) or this playlist




2- Object-Oriented Programming (OOP) Principles

• Classes and Objects: Dive into the fundamentals of creating classes and objects in Kotlin.
• Properties and Fields: Learn how to define properties and fields within classes.
• Constructors: Understand different types of constructors and how to use them.
• Inheritance: Explore inheritance and how to create subclasses.
• Polymorphism: Learn about polymorphism and method overriding in Kotlin.
• Interfaces and Abstract Classes: Study interfaces and abstract classes for defining contracts and shared behavior.
• Encapsulation: Understand the concept of encapsulation and access modifiers.
• Data Classes: Explore data classes for creating simple and immutable classes.

Resources

Understanding OOP Principles:

• Check this playlist

Apply with kotlin :
• Check this course
  
  

  3- Now you are ready to build user interface using xml and write some java code at android studio.

  Android Basics: User Interface:
  • Check this playlist to video no. 42
  Data Binding
  • source 1
  • source 2

  Android Basics Part 1

  

  Activities:

  • Lifecycle

  • Intents

  • Intent Filters

  Resource

  Youtube Playlist:
  • in this playlist video no 1 and no 6 only
  
  

  • Fragments

    first we will start with Lifecycle

    Navigation Components: Watch this playlist from video no 261 to 271

    • Learn to navigate between fragments using the Navigation Component.
    • Using the Navigation graph
    • Navigating between fragments
    • Using Drawer layout and Bottom Navigation
    • Using safe args

  • RecyclerView

    watch this video

  • SAVING DATA IN SHARED PREFERENCES

    watch this video

  
  
  

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  🟠 Intermediate Level

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  1. Android Basics Part 2

     

     Android Components (services - BroadCasts - Content Provider)

     • services

     • BroadCasts

     • Content Provider

     Context

     Work Manager

  Resource

  Youtube Playlist:
  • this playlist except video no 1 and no 6 this repo Impl(service - receiver -One Time Workmanager and periodic workManager)
  
  

  2. Notifications in Android

     Local Notifications in Android

     Schedule Local Notifications

  3. ViewModel Configuration

     Configure ViewModel to manage UI-related data efficiently.

  4. LiveData

     Implement LiveData for observing and updating UI components.

     • source 1
     • source 2

  5. Retrofit

     Learn how to make network requests using Retrofit for REST APIs.

  6. Basics of Coroutines

     Introduction to Asynchronous Programming Coroutine Builders

     Suspend Functions

     Coroutine Dispatchers

     Structured Concurrency

     Cancellation and Timeouts

     Exception Handling

  Resources

  Youtube Playlist:
  • source 1
  • source 2
  
  

  7. MVVM Architecture

     Explore how to architect your Android app using the Model-View-ViewModel pattern.

     check this

     Try to understand how this app has been built: Video Playlist

     Article: MVVM Article

  8. Room

     Implement Room for local data persistence.

     Source: Room Playlist

  
  
  

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  🟢 Advanced Level

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  • Kotlin Coroutines

    Read more about Kotlin Coroutines: Interview Questions

  • Dependency Injection with Hilt

    Topics:

    • Setting up Hilt in Android projects
    • Using Hilt for dependency injection
    • Scopes and custom components
    • Qualifiers and multibindings
    • ViewModel injection with Hilt: Video

  Resource

  Youtube Playlist:
  • Source 1
  • Source 2 (302 to 307)
  
  

  • Clean Architecture with MVVM

    Topics:

    • Separation of concerns and clean architecture principles
    • Implementing a domain layer with use cases
    • Building data and presentation layers
    • Applying MVVM pattern with LiveData and ViewModel
    • Repository pattern for data access: Video
    • Dependency injection with Hilt in clean architecture

  Resource

  Youtube Playlist:
  • Source (309 to 319)
  
  

  • Kotlin/Android Testing Playlists

    YouTube Playlists:

    • Kotlin/Android Testing Playlist
    • Testing on Android Playlist

    Additional Resource:

    • Android Unit Testing with Eng. Ahmed Adel

  • SOLID Principles

    Topics:

    • Single Responsibility Principle (SRP)
    • Open-Closed Principle (OCP)
    • Liskov Substitution Principle (LSP)
    • Interface Segregation Principle (ISP)
    • Dependency Inversion Principle (DIP)

  Resource

  Youtube Playlist:
  • SOLID Principles Playlisthttps://developer.android.com/training/data-storage/room/migrating-db-versions
  
  

  • Room Db Migration

    Topics:

    • db migration

  Resource

  Android dev :
  • offical docs

  Jetpack Compose Basics

  Topics:

  • Introduction to Jetpack Compose
  • Building UI components with Compose
  • Navigation in Compose apps
  • Theming and styling with Compose
  • State management with Compose
  • Testing Compose UIs
  • Migrating from XML-based UI to Jetpack Compose

  Resource

  Youtube Playlist:
  • Jetpack Compose Basics Playlist
  
  

  Remember, the journey in Android development is ongoing. Keep seeking knowledge and pushing your boundaries; it's the key to unlocking endless opportunities in this ever-evolving field. 🌟📚💡

  feel free to contact us :

• Me
• Shehab Mohammed
• Bassam Yassin