LoginActivity.kt

class LoginActivity : AppCompatActivity() {

  override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    LoginActivityUI().setContentView(this)
  }
}

class LoginActivityUI : AnkoComponent<LoginActivity> {

  override fun createView(ui: AnkoContext<LoginActivity>) = with(ui) {
    verticalLayout {
      padding = dip(22)
      var userName = editText()
      userName.hint = "Enter UserName"

      var passWord = editText()
      passWord.hint = "Enter Password"

      var button = button() {
        text = "SignIn"
        textColor = android.R.color.white
        backgroundColor = R.color.colorPrimary
      }
    }
  }
}