Android Dependency Injection

Dependency Injection with Hilt and Dagger: @Inject, @Module, @Provides, Scopes, Qualifiers, Testing

15 面接問題·

Mid-Level

What is Dependency Injection (DI)?

回答

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.

What is Hilt?

回答

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).

What is the @HiltAndroidApp annotation used for?

回答

@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.

Android Dependency Injection

What is Dependency Injection (DI)?

回答

What is Hilt?

回答

What is the @HiltAndroidApp annotation used for?

回答

What is the @AndroidEntryPoint annotation used for?

What is the @Inject annotation used for?

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