Koin Dependency Injection
Master Koin, the pragmatic lightweight dependency injection framework for Kotlin and Android applications
6-8 weeks
8.4k students
4.8 rating
Progress0/92 lessons
Key Topics You'll Master
1
Dependency Injection Fundamentals2
Koin Setup and Basics3
Modules and Organization4
Scoping and Lifecycle5
Android Integration6
Jetpack Compose Integration7
Testing with Koin8
Advanced Koin Patterns9
Performance and Optimization10
Debugging and Troubleshooting11
Migration and Interoperability+0
more...Learning Outcomes
- Understand dependency injection principles and benefits
- Master Koin DSL and module declaration
- Implement proper scoping strategies
- Integrate Koin with Android components and Jetpack Compose
- Write testable code with Koin
- Handle complex dependency graphs
- Optimize Koin performance and startup time
- Migrate from Dagger/Hilt to Koin
- Debug and troubleshoot Koin issues effectively
Prerequisites
- Strong understanding of Kotlin
- Basic Android development knowledge
- Understanding of SOLID principles
- Familiarity with software architecture patterns
- Basic knowledge of dependency injection concepts
1
Dependency Injection FundamentalsCore concepts of dependency injection and why it matters
What is Dependency Injection?
video • 18 min
DI Benefits: Testability and Maintainability
video • 22 min
Manual DI vs DI Frameworks
video • 20 min
Service Locator vs Dependency Injection
article • 15 min
Koin vs Dagger/Hilt Overview
video • 25 min
When to Use Koin
article • 12 min
Practice: Refactor Code to Use DI
exercise • 45 min
2
Koin Setup and BasicsGetting started with Koin and basic DSL syntax
Koin Installation and Configuration
video • 20 min
Starting Koin Application
video • 18 min
Koin DSL: single, factory, and get()
video • 30 min
Defining Your First Module
video • 22 min
Injecting Dependencies with by inject()
video • 25 min
Constructor Injection Patterns
article • 15 min
Practice: Build Simple DI App
exercise • 60 min
3
Modules and OrganizationStructuring your Koin modules for scalability
Module Organization Best Practices
video • 25 min
Feature-based Module Architecture
video • 28 min
Module Includes and Composition
video • 20 min
Multi-module Projects with Koin
video • 30 min
Named Definitions and Qualifiers
video • 22 min
Module Loading Strategies
article • 18 min
Practice: Organize Multi-feature App
exercise • 75 min
4
Scoping and LifecycleManaging dependency lifecycles and scopes
Understanding Scopes in Koin
video • 26 min
Single vs Factory Definitions
video • 22 min
Creating Custom Scopes
video • 28 min
Scope Lifecycle Management
video • 24 min
Scoped Definitions and Use Cases
video • 30 min
Memory Management with Scopes
article • 20 min
Practice: Implement Session Scopes
exercise • 60 min
5
Android IntegrationIntegrating Koin with Android components
Koin Android Setup
video • 18 min
Application and Context Injection
video • 20 min
ViewModel Injection with Koin
video • 32 min
Fragment and Activity Injection
video • 25 min
WorkManager Integration
video • 28 min
Navigation Component with Koin
video • 30 min
Lifecycle-aware Scopes
video • 26 min
Android Scopes Best Practices
article • 22 min
Practice: Full Android App with Koin
exercise • 90 min
6
Jetpack Compose IntegrationUsing Koin with Jetpack Compose
Koin Compose Setup
video • 15 min
koinViewModel() and Compose
video • 25 min
Injecting Dependencies in Composables
video • 28 min
Compose Navigation with Koin
video • 30 min
Previews and Koin
video • 20 min
Compose-specific Scoping
article • 18 min
Practice: Compose App with DI
exercise • 75 min
7
Testing with KoinWriting testable code and testing strategies
Koin Test Setup
video • 20 min
Unit Testing with Koin
video • 30 min
Mocking and Test Modules
video • 28 min
declareMock() and Test DSL
video • 25 min
Integration Testing Strategies
video • 32 min
UI Testing with Koin
video • 26 min
Test Isolation Best Practices
article • 20 min
Practice: Comprehensive Test Suite
exercise • 90 min
8
Advanced Koin PatternsAdvanced techniques and complex scenarios
Property Injection Patterns
video • 22 min
Lazy Injection and Performance
video • 26 min
Conditional Definitions
video • 24 min
Factory Parameters and Runtime Values
video • 30 min
Multi-binding and Collections
video • 28 min
Platform-specific Dependencies
video • 25 min
Custom Definition Types
video • 32 min
Circular Dependencies Resolution
article • 20 min
Practice: Complex DI Scenarios
exercise • 90 min
9
Performance and OptimizationOptimizing Koin for production applications
Koin Performance Overview
video • 20 min
Startup Time Optimization
video • 28 min
Lazy Loading Strategies
video • 25 min
Check Modules in Debug
video • 18 min
Memory Optimization Techniques
video • 30 min
Koin Metrics and Monitoring
video • 22 min
Performance Best Practices
article • 25 min
Practice: Optimize App Performance
exercise • 60 min
10
Debugging and TroubleshootingIdentifying and fixing common Koin issues
Understanding Koin Error Messages
video • 22 min
Debugging Definition Resolution
video • 26 min
Logging and Diagnostics
video • 20 min
Common Pitfalls and Solutions
video • 30 min
ProGuard/R8 Configuration
video • 24 min
Migration Issues and Fixes
video • 28 min
Troubleshooting Checklist
article • 18 min
Practice: Debug Common Issues
exercise • 45 min
11
Migration and InteroperabilityMigrating from other DI frameworks and coexistence
Dagger to Koin Migration Strategy
video • 32 min
Hilt to Koin Migration
video • 30 min
Gradual Migration Patterns
video • 28 min
Coexistence with Other Frameworks
video • 25 min
API Compatibility Considerations
article • 20 min
Migration Case Studies
article • 22 min
Practice: Migrate Sample Project
exercise • 90 min
12
Real-world ProjectBuild a production-ready app with Koin
Project Architecture Planning
video • 30 min
Setting Up Multi-module DI
video • 35 min
Implementing Feature Modules
exercise • 120 min
Testing Strategy Implementation
exercise • 90 min
Performance Optimization Pass
exercise • 60 min
Production Configuration
video • 25 min
Code Review and Best Practices
video • 40 min
Final Project: E-commerce App
project • 300 min