v 3

MainActivity.kt

class MainActivity : ComponentActivity(R.layout.activity_main) {

    private val viewModel = GenericProvider.provide { MainViewModel() }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        textView.text = "${viewModel.count}"
        button.setOnClickListener {
            viewModel.inc()
            textView.text = "${viewModel.count}"
        }
    }
}