NaiveActivity.kt

    editSearch.addTextChangedListener(object : TextWatcher {
        override fun afterTextChanged(editable: Editable?) {

        }

        override fun beforeTextChanged(p0: CharSequence?, p1: Int, p2: Int, p3: Int) {
        }

        override fun onTextChanged(charSequence: CharSequence?, p1: Int, p2: Int, p3: Int) {
            val text = charSequence?.toString() ?: ""
            val founded = presenter.search(text)
            showResults(founded)
        }
    })