Use early entry point for sync adapter services (#1610)

import android.app.Service

import android.content.Intent

import dagger.hilt.EntryPoint

import dagger.hilt.InstallIn

import dagger.hilt.android.EntryPointAccessors

import dagger.hilt.android.EarlyEntryPoint

import dagger.hilt.android.EarlyEntryPoints

import dagger.hilt.components.SingletonComponent

abstract class SyncAdapterService: Service() {

     * We don't use @AndroidEntryPoint / @Inject because it's unavoidable that instrumented tests sometimes accidentally / asynchronously

     * create a [SyncAdapterService] instance before Hilt is initialized by the HiltTestRunner.

     */

    @EntryPoint

    @EarlyEntryPoint

    @InstallIn(SingletonComponent::class)

    interface SyncAdapterServicesEntryPoint {

        fun syncAdapter(): SyncAdapter

    // create syncAdapter on demand and cache it

    val syncAdapter by lazy {

        val entryPoint = EntryPointAccessors.fromApplication<SyncAdapterServicesEntryPoint>(this)

        val entryPoint = EarlyEntryPoints.get(applicationContext, SyncAdapterServicesEntryPoint::class.java)

        entryPoint.syncAdapter()

    }