What annotations in Hilt are used to include classes in the dependency graph?

In Hilt, the following main annotations are used to include classes in the dependency graph:

• @Inject — marks a constructor, field, or method so that Hilt can provide the dependency.

• @Module — indicates a class that provides dependencies through methods annotated with @Provides.

• @InstallIn — specifies which component (e.g., SingletonComponent, ActivityComponent) the module is installed into.

• @Singleton and other scopes — define the lifetime of the dependency.

Example:

@Module
@InstallIn(SingletonComponent::class)
object NetworkModule {
    @Provides
    @Singleton
    fun provideApiService(): ApiService {
        return Retrofit.Builder()
            .baseUrl("https://example.com")
            .build()
            .create(ApiService::class.java)
    }
}

class Repository @Inject constructor(private val apiService: ApiService) {
    // ...
}

Thus, @Inject and @Module with @InstallIn are key annotations for including classes in Hilt's dependency graph.