view_layout_listener.kt

view.addOnLayoutChangeListener(object : View.OnLayoutChangeListener {
    override fun onLayoutChange(
        view: View,
        left: Int, top: Int, right: Int, bottom: Int,
        oldLeft: Int, oldTop: Int, oldRight: Int, oldBottom: Int
    ) {
        view.removeOnLayoutChangeListener(this)
        // now you can do something on the view
    }
})