Adding components to the Hilt hierarchy - 1

MainActivityAnalyticsAdapter.kt

/* Copyright 2020 Google LLC.	
   SPDX-License-Identifier: Apache-2.0 */
@Singleton
class AnalyticsRepository @Inject constructor(...) { ... }

class MainActivityAnalyticsAdapter @Inject constructor(
  // AnalyticsRepository is available as it's scoped to ApplicationComponent
  analyticsRepository: AnalyticsRepository,

  // 💥 Build time error!
  // UserDataRepository is NOT available to Hilt in MainActivity as the binding
  // is not available in ActivityComponent, it's in UserComponent and it's not
  // propagated down the Hilt components hierarchy
  userDataRepository: UserDataRepository
) { ... }