simple-anko2

       linearLayout {
            orientation = LinearLayout.VERTICAL

            val myEdt = editText {
                hint = "Name"
            }.lparams(width = matchParent, height = wrapContent)

            button("Say Hello") {
                onClick {
                    val message = if (myEdt.text.toString().isBlank()) {
                        "Hello world"
                    } else {
                        "Hello ${myEdt.text}"
                    }

                    UI {
                        toast(message)
                    }
                }
            }.lparams(width = matchParent, height = wrapContent)
        }