DateInputFirst.kt

override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
   if (edited) {
       edited = false
       return
   }
   var working = getEditText()
   working = manageDateDivider(working, 2, start, before)
   working = manageDateDivider(working, 5, start, before)
   edited = true
   input.setText(working)
   input.setSelection(input.text.length)
}