theerasan

class TextWatcherAdapter(private var field: (String) -> Unit) : TextWatcher {

    private var isInEditMode = false
    var tmp = ""

    override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
    }

    override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {
    }

theerasan

class LoginArch2WaysBindingViewModel : ViewModel() {
    var email: ObservableField<String>? = ObservableField("")

    var password: ObservableField<String>? = ObservableField("")

    var emailOnChange = TextWatcherAdapter({s ->
                            email.set(s)
                            readyToLogin?.set(isCanLogin())
                        })
    var passwordOnChange = TextWatcherAdapter({s ->

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:addTextChangedListener="@{viewModel.emailOnChange}"
    android:maxLines="1" />

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("")
      })
  }

theerasan

var binding: ActivityLoginArch2WaysBindingBinding? = null
var viewModel: LoginArch2WaysBindingViewModel? = null
var presenter: LoginArch2WaysBindingInf.PresenterInf? = null

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

theerasan

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <attr name="imageRatio" format="enum">
        <enum name="square" value="0" />
        <enum name="W2L1" value="1" />
    </attr>
    <attr name="imageOrientation" format="enum">
        <enum name="landscape" value="0"/>
        <enum name="portrait" value="1"/>
    </attr>

theerasan

class ImageRatioView : AppCompatImageView {
    var imageOrientation: Int? = 0
    var imageRatio: Int? = 0
    val LANDSCAPE  = 0
    val PORTRAIT = 1
    val SQUARE = 0
    val RATIO_2_1 = 1
    val RATIO_2_1_DIVISION = 0.5
    val PIXEL_PERFECT = 1

theerasan

<ta.com.workshop2.ImageRatioView
      android:id="@+id/banner"
      android:src="@drawable/meet"
      android:background="@color/colorAccent"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:scaleType="fitXY"
      app:imageOrientation="landscape"
      app:imageRatio="W2L1" />

theerasan

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.NestedScrollView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"

theerasan

private fun initCardViewWithNormalWay() {
        val cardView = findViewById(R.id.card_view) as CardView

        cardView.setOnTouchListener { v, event ->
            Log.d("ANIMATE", event.toString())
            when (event.action) {
                MotionEvent.ACTION_DOWN ->  {
                    v.animate().cancel()
                    v.animate().scaleY(0.96f).scaleX(0.96f).setDuration(200).start()
                    val img = v.findViewById(R.id.imageBackground)