savedstate_detailactivity_custom_factory.kt

class DetailActivity : AppCompatActivity() {
    private val githubApi = GithubApi()

    private val viewModel by viewModels { DetailViewModelFactory(githubApi, this) }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        // Use viewModel here
        viewModel.loadData()
    }
}