Modular Architecture - Dagger2 - Browser Component

ApplicationComponent.kt

@Singleton
@Component(modules = arrayOf(NetworkModule::class, RepositoryModule::class))
interface ApplicationComponent : AndroidInjector<MyApplication> {
  val userRepository: UserRepository
  val apiService: ApiService
      /**
      * explicitly declare okHttp
      **/
  val okHttp: OkHttp
}

BrowserActivity.kt

class BrowserActivity : AppCompatActivity() {
  override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    DaggerBrowserComponent
        .builder()
        /**
         * we have to provide an instance of the AppComponent or
         * any other dependency for this component
         **/
        .plus((application as MyApplication).component)
        .build()
        .inject(this)
  }
}

BrowserComponent.kt

@Browser
@Component(modules = [(BrowserModule::class)],
      dependencies = [(AppComponent::class)])
interface BrowserComponent : AndroidInjector<AppCompatActivity> {
  @Component.Builder
  abstract class Builder: AndroidInjector.Builder<AppCompatActivity>(){
    /**
    *  explicity declare to Dagger2
    * that this builder will accept an AppComponent instance
    **/
    abstract fun plus(component: AppComponent): Builder
  }
}