Activity that passes Intent arguments to ViewModel via AssistedInject.Factory create method.

UserDetailActivity.kt

const val ARGUMENT_USER_ID = "ARGUMENT_USER_ID"
 
class UserDetailActivity : AppCompatActivity() {
 
    // Pass Intent Argument to ViewModel
    private val userDetailViewModel by lazy {
        injector.userDetailViewModelFactory.create(
            userId = intent.getIntExtra(ARGUMENT_USER_ID, 0)
        )
    }
  
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_user_detail)
 
        setUpUi()
        fetchUserDetail()
    }
  
    private fun setUpUi() {
        // Wire up UI widgets
    }
  
    private fun fetchUserDetail() {
        userDetailViewModel.getUserDetail().observe(this, Observer { userDetail ->
            // Display User Detail
        }
    }
}