Android Developer Roadmap
Step by step guide to becoming an Android developer.
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1 Foundation & Tools
Kotlin
Java
Android Studio
Git & GitHub/GitLab
Gradle Build System
2 Core Android Components
Activities & Lifecycles
Fragments & Lifecycles
Intents
Services
AndroidManifest.xml
3 Building the User Interface (UI)
Modern UI Toolkit:
Jetpack Compose
State Management
Legacy UI Toolkit:
XML Layouts & Views
RecyclerView
4 App Architecture
Recommended App Architecture
MVVM
Jetpack ViewModel
LiveData & StateFlow
Repository Pattern
5 Data Persistence
Room Database
Jetpack DataStore
SharedPreferences
Other Databases
6 Networking
Retrofit
OkHttp
JSON Serialization
Ktor Client
7 Concurrency
Kotlin Coroutines
Kotlin Flow
RxJava / RxKotlin
8 Dependency Injection
Hilt (Jetpack)
Koin
Dagger 2
9 Testing
Unit Tests
Integration Tests
UI Tests
10 Security
Secure Data Storage
Network Security
Code Obfuscation
11 Distribution & CI/CD
App Bundles
App Signing
Google Play Console
CI/CD
12 Keep Learning
Official Documentation
Performance Optimization
Modularization
Kotlin Multiplatform