Android Dependency Injection
Dependency Injection with Hilt and Dagger: @Inject, @Module, @Provides, Scopes, Qualifiers, Testing
1What is Dependency Injection (DI)?
What is Dependency Injection (DI)?
Answer
Dependency Injection is a pattern that provides a class's dependencies from the outside rather than creating them inside. This improves testability, modularity and reduces coupling between components.
2What is Hilt?
What is Hilt?
Answer
Hilt is a DI library built on top of Dagger 2, specifically designed for Android. It simplifies DI configuration with standard annotations and automatically manages Android components (Activities, Fragments, ViewModels).
3What is the @HiltAndroidApp annotation used for?
What is the @HiltAndroidApp annotation used for?
Answer
@HiltAndroidApp is applied on the Application class and triggers Hilt code generation. It creates the application root component and enables dependency injection throughout the app. Required to use Hilt.
What is the @AndroidEntryPoint annotation used for?
What is the @Inject annotation used for?
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