be1ski

/** Утилитарный файл. Может находиться в :common:util */
inline fun <reified T> ComponentActivity.nonConfigurationInstance(
  noinline instanceProducer: () -> T
) = NonConfigurationInstanceLazy(
  instanceProducer = instanceProducer,
  instanceHolder = viewModels()
)

inline fun <reified T> Fragment.nonConfigurationInstance(
  noinline instanceProducer: () -> T

be1ski

/** Пример использования */
class MainActivity : AppCompatActivity(R.layout.activity_main) {
  @Inject lateinit var fragmentFactory: FragmentFactory
  
  private val component by nonConfigurationInstance {
    DaggerActivityComponent.factory().create()
  }

  override fun onCreate(savedInstanceState: Bundle?) {
    component.inject(this)