MainActivity.kt

class MainActivity : AppCompatActivity(), ServiceLocatorActivity {

    override val self: Activity = this

    private val mainViewModelFactory: MainViewModelFactory by lazy {
        serviceLocator.mainViewModelFactory
    }

    private val viewModel: MainViewModel by viewModels {
        mainViewModelFactory
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
    }
}