MyApplication.kt

class MyApplication : Application(), HasActivityInjector, HasSupportFragmentInjector {

  @Inject
  lateinit var dispatchingAndroidInjector: DispatchingAndroidInjector<Activity>
  @Inject
  lateinit var dispatchingAndroidFragmentInjector: DispatchingAndroidInjector<Fragment>

  override fun onCreate() {
    super.onCreate()
    DaggerApplicationComponent.builder().application(this).build().inject(this)
    Timber.plant(DebugTree())
  }

  override fun activityInjector(): AndroidInjector<Activity> {
    return dispatchingAndroidInjector
  }

  override fun supportFragmentInjector(): AndroidInjector<Fragment> {
    return dispatchingAndroidFragmentInjector
  }

}