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Koin Dependency Injection

Master Koin, the pragmatic lightweight dependency injection framework for Kotlin and Android applications

Beginner to AdvancedSelf-paced12 modules0 available lessons

Your path, one skill at a time.

Koin is a pragmatic lightweight dependency injection framework for Kotlin. This roadmap covers DSL basics, scoping, modules, qualifiers, Android integration, testing, Compose support, and performance optimization. Learn how to build maintainable, testable applications with proper dependency management.

What you’ll learn

  • 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

THE CURRICULUM

Build your knowledge, step by step.

92 lessons across 12 modules. Lessons marked “Coming soon” aren’t available yet.

01MODULE 01Dependency Injection Fundamentals7 lessons · Self-paced

Core concepts of dependency injection and why it matters

  1. 01What is Dependency Injection?Coming soon
  2. 02DI Benefits: Testability and MaintainabilityComing soon
  3. 03Manual DI vs DI FrameworksComing soon
  4. 04Service Locator vs Dependency InjectionComing soon
  5. 05Koin vs Dagger/Hilt OverviewComing soon
  6. 06When to Use KoinComing soon
  7. 07Practice: Refactor Code to Use DIComing soon
02MODULE 02Koin Setup and Basics7 lessons · Self-paced

Getting started with Koin and basic DSL syntax

  1. 01Koin Installation and ConfigurationComing soon
  2. 02Starting Koin ApplicationComing soon
  3. 03Koin DSL: single, factory, and get()Coming soon
  4. 04Defining Your First ModuleComing soon
  5. 05Injecting Dependencies with by inject()Coming soon
  6. 06Constructor Injection PatternsComing soon
  7. 07Practice: Build Simple DI AppComing soon
03MODULE 03Modules and Organization7 lessons · Self-paced

Structuring your Koin modules for scalability

  1. 01Module Organization Best PracticesComing soon
  2. 02Feature-based Module ArchitectureComing soon
  3. 03Module Includes and CompositionComing soon
  4. 04Multi-module Projects with KoinComing soon
  5. 05Named Definitions and QualifiersComing soon
  6. 06Module Loading StrategiesComing soon
  7. 07Practice: Organize Multi-feature AppComing soon
04MODULE 04Scoping and Lifecycle7 lessons · Self-paced

Managing dependency lifecycles and scopes

  1. 01Understanding Scopes in KoinComing soon
  2. 02Single vs Factory DefinitionsComing soon
  3. 03Creating Custom ScopesComing soon
  4. 04Scope Lifecycle ManagementComing soon
  5. 05Scoped Definitions and Use CasesComing soon
  6. 06Memory Management with ScopesComing soon
  7. 07Practice: Implement Session ScopesComing soon
05MODULE 05Android Integration9 lessons · Self-paced

Integrating Koin with Android components

  1. 01Koin Android SetupComing soon
  2. 02Application and Context InjectionComing soon
  3. 03ViewModel Injection with KoinComing soon
  4. 04Fragment and Activity InjectionComing soon
  5. 05WorkManager IntegrationComing soon
  6. 06Navigation Component with KoinComing soon
  7. 07Lifecycle-aware ScopesComing soon
  8. 08Android Scopes Best PracticesComing soon
  9. 09Practice: Full Android App with KoinComing soon
06MODULE 06Jetpack Compose Integration7 lessons · Self-paced

Using Koin with Jetpack Compose

  1. 01Koin Compose SetupComing soon
  2. 02koinViewModel() and ComposeComing soon
  3. 03Injecting Dependencies in ComposablesComing soon
  4. 04Compose Navigation with KoinComing soon
  5. 05Previews and KoinComing soon
  6. 06Compose-specific ScopingComing soon
  7. 07Practice: Compose App with DIComing soon
07MODULE 07Testing with Koin8 lessons · Self-paced

Writing testable code and testing strategies

  1. 01Koin Test SetupComing soon
  2. 02Unit Testing with KoinComing soon
  3. 03Mocking and Test ModulesComing soon
  4. 04declareMock() and Test DSLComing soon
  5. 05Integration Testing StrategiesComing soon
  6. 06UI Testing with KoinComing soon
  7. 07Test Isolation Best PracticesComing soon
  8. 08Practice: Comprehensive Test SuiteComing soon
08MODULE 08Advanced Koin Patterns9 lessons · Self-paced

Advanced techniques and complex scenarios

  1. 01Property Injection PatternsComing soon
  2. 02Lazy Injection and PerformanceComing soon
  3. 03Conditional DefinitionsComing soon
  4. 04Factory Parameters and Runtime ValuesComing soon
  5. 05Multi-binding and CollectionsComing soon
  6. 06Platform-specific DependenciesComing soon
  7. 07Custom Definition TypesComing soon
  8. 08Circular Dependencies ResolutionComing soon
  9. 09Practice: Complex DI ScenariosComing soon
09MODULE 09Performance and Optimization8 lessons · Self-paced

Optimizing Koin for production applications

  1. 01Koin Performance OverviewComing soon
  2. 02Startup Time OptimizationComing soon
  3. 03Lazy Loading StrategiesComing soon
  4. 04Check Modules in DebugComing soon
  5. 05Memory Optimization TechniquesComing soon
  6. 06Koin Metrics and MonitoringComing soon
  7. 07Performance Best PracticesComing soon
  8. 08Practice: Optimize App PerformanceComing soon
10MODULE 10Debugging and Troubleshooting8 lessons · Self-paced

Identifying and fixing common Koin issues

  1. 01Understanding Koin Error MessagesComing soon
  2. 02Debugging Definition ResolutionComing soon
  3. 03Logging and DiagnosticsComing soon
  4. 04Common Pitfalls and SolutionsComing soon
  5. 05ProGuard/R8 ConfigurationComing soon
  6. 06Migration Issues and FixesComing soon
  7. 07Troubleshooting ChecklistComing soon
  8. 08Practice: Debug Common IssuesComing soon
11MODULE 11Migration and Interoperability7 lessons · Self-paced

Migrating from other DI frameworks and coexistence

  1. 01Dagger to Koin Migration StrategyComing soon
  2. 02Hilt to Koin MigrationComing soon
  3. 03Gradual Migration PatternsComing soon
  4. 04Coexistence with Other FrameworksComing soon
  5. 05API Compatibility ConsiderationsComing soon
  6. 06Migration Case StudiesComing soon
  7. 07Practice: Migrate Sample ProjectComing soon
12MODULE 12Real-world Project8 lessons · Self-paced

Build a production-ready app with Koin

  1. 01Project Architecture PlanningComing soon
  2. 02Setting Up Multi-module DIComing soon
  3. 03Implementing Feature ModulesComing soon
  4. 04Testing Strategy ImplementationComing soon
  5. 05Performance Optimization PassComing soon
  6. 06Production ConfigurationComing soon
  7. 07Code Review and Best PracticesComing soon
  8. 08Final Project: E-commerce AppComing soon