Nyame123

class LoginActivity : AppCompatActivity() {
 
  @Inject
  lateinit var loginAnalyticsAdapter: LoginAnalyticsAdapter
 
  override fun onCreate(savedInstanceState: Bundle?) {
    DaggerLoginComponent.builder()
        .context(this)
        .appDependencies(
          EntryPointAccessors.fromApplication(

Nyame123

// LoginAnalyticsAdapter.kt - File in the login module.
 
class LoginAnalyticsAdapter @Inject constructor(
  @AuthInterceptorOkHttpClient okHttpClient: OkHttpClient
) { ... }

Nyame123

@Component(dependencies = [LoginModuleDependencies::class])
interface LoginComponent {
 
  fun inject(activity: LoginActivity)
 
  @Component.Builder
  interface Builder {
    fun context(@BindsInstance context: Context): Builder
    fun appDependencies(loginModuleDependencies: LoginModuleDependencies): Builder
    fun build(): LoginComponent

Nyame123

// LoginModuleDependencies.kt - File in the app module.
 
@EntryPoint
@InstallIn(SingletonComponent::class)
interface LoginModuleDependencies {
 
  @AuthInterceptorOkHttpClient
  fun okHttpClient(): OkHttpClient
}

Nyame123

@AndroidEntryPoint
class MainActivity : AppCompatActivity() {

   val viewModel: MainActivityViewModel by viewModels()
…………
}

Nyame123

@HiltViewModel
class MainActivityViewModel @Inject constructor(private val appDatabase: AppDatabase): ViewModel(){

   fun getDatabase(): List<Readings?>? {

       return appDatabase.readingDao()!!.filterReadings("%%")
   }
}

Nyame123

class ExampleContentProvider: ContentProvider() {
    ...

  override fun query(...): Cursor {
    val appContext = context?.applicationContext ?: throw IllegalStateException()
    val hiltEntryPoint =
      EntryPointAccessors.fromApplication(appContext, ExampleContentProviderEntryPoint::class.java)

    val analyticsService = hiltEntryPoint.analyticsService()
    ...

Nyame123

class ExampleContentProvider : ContentProvider() {

  @EntryPoint
  @InstallIn(SingletonComponent::class)
  interface ExampleContentProviderEntryPoint {
    fun analyticsService(): AnalyticsService
  }

  ...
}

Nyame123

@ActivityScoped
class AnalyticsAdapter @Inject constructor(
  private val service: AnalyticsService
) { ... }

Nyame123

Android class ------------------  Components ------------------------------------ Scope
Application---- SingletonComponent --------------------------  @Singleton
Activity ---ActivityRetainedComponents  -------- @ActivityRetainedScoped
ViewModel ------ ViewModelComponents -------- @ViewModelScoped
Activity ----- ActivityComponents ------------------    @ActivityScoped
Fragment ---- FragmentComponents ------- 	@FragmentScoped
View ---------  ViewComponents ------------------    @ViewScoped
View annotated @WithFragmentBindings -- ViewWithFragmentComponents -- @ViewScoped 
Service --------- ServiceComponent ------------ @ServiceScoped