Android, kotlin, EditText, addTextChangedListener, onTextChanged

textEdit?.addTextChangedListener(object : TextWatcher {

    override fun afterTextChanged(s: Editable) {

    }

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

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

    }
})