DetailUserActivity with ViewModel - LiveData and transformations

DetailUserActivity.kt

class DetailUserActivity : LifecycleActivity() {
    
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_detail)

        // Get the ViewModel instance
        val userViewModel = ViewModelProviders.of(this).get(UserViewModel::class.java)
        userViewModel.setUserId(getSelectedUserId())
        userViewModel.getUser().observe(this, Observer {
           // Update the UI with the user details
        })
    }
}