theerasan

private var emailField: AutoCompleteTextView? = null
private var passwordField: EditText? = null
private var signInButton: Button? = null

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

    emailField = findViewById(R.id.email) as AutoCompleteTextView
    passwordField = findViewById(R.id.password) as EditText

theerasan

<AutoCompleteTextView
    android:id="@+id/email"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:hint="@string/prompt_email"
    android:inputType="textEmailAddress"
    android:maxLines="1" />

<EditText
    android:id="@+id/password"

theerasan

class LoginDataBindingViewModel : BaseObservable() {
    @get:Bindable
    var email: String? = ""
        set(email) {
            field = email
            notifyPropertyChanged(BR.email)
            notifyPropertyChanged(BR.readyToLogin)
        }

    @get:Bindable

theerasan

<data>
    <variable
        name="viewModel"
        type="ta.com.workshop1.feature._2_databinding.LoginDataBindingViewModel"/>
</data>

<AutoCompleteTextView
    android:id="@+id/email"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"

theerasan

class LoginWithBindingPresenter(var viewModel: LoginDataBindingViewModel?, 
                                var view: LoginWithBindingInf.ViewInf) 
                                : LoginWithBindingInf.PresenterInf {
    override fun onInit() {
        viewModel?.onClickLogin = View.OnClickListener { _ ->
            view.performLogin(viewModel?.email + " " + viewModel?.password)
            viewModel?.email = ""
            viewModel?.password = ""
        }
    }

theerasan

class LoginWithBindingActivity : AppCompatActivity(), LoginWithBindingInf.ViewInf {

    var binding: ActivityLoginWithBindingBinding? = null
    var viewModel: LoginDataBindingViewModel? = null
    var presenter: LoginWithBindingInf.PresenterInf? = null

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

theerasan

class LoginArchViewModel : ViewModel() {
    var email: ObservableField<String>? = ObservableField("")
    var password: ObservableField<String>? = ObservableField("")
    var onClickLogin: ObservableField<View.OnClickListener>? = ObservableField()
    var readyToLogin: ObservableField<Boolean>? = ObservableField(false)
}

theerasan

 <AutoCompleteTextView
    android:id="@+id/email"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:hint="@string/prompt_email"
    android:inputType="textEmailAddress"
    android:text="@{viewModel.email}"
    android:maxLines="1" />
    
<EditText

theerasan

  override fun onInit() {
      viewModel?.readyToLogin?.set(false)
      viewModel?.onClickLogin?.set(View.OnClickListener { _ ->
          view.performLogin(viewModel?.email?.get() + " " + viewModel?.password?.get())
          viewModel?.email?.set("")
          viewModel?.password?.set("")
      })
  }

  override fun setReadyToClick(isReady: Boolean) {

theerasan

override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    initView()
    initViewModel()
    initPresenter()
    initEvent()
}
    .
    .
    .