Android Kotlin ViewUtil class

ViewUtil.kt

class ViewUtil {
    fun disableButtonsTemporarily(viewList:ArrayList<View>){
        try{
            //DISABLE THE VIEW
            updateViewsClickableAttribute(viewList, false)

            //ENABLE THE VIEWS
            val handler = Handler()
            handler.postDelayed( {
                // Do something after 5s = 5000ms
                updateViewsClickableAttribute(viewList, true)
            }, 500)
        }catch (e: Exception){
            e.printStackTrace()
        }
    }

    fun updateViewsClickableAttribute(viewList:ArrayList<View>, clickable:Boolean){
        var size = 0;
        if (viewList!=null)
            size = viewList.size

        if (size==0){
            return
        }
        for (i in 0..size-1) {
            val view = viewList.get(i)
            if (view!=null){

                var canUpdateAttribute = true
                if (canUpdateAttribute)
                    view.isClickable = clickable
            }
        }
    }

    fun removeView(view: View) {
        val parent = getParent(view)
        if (parent != null) {
            parent!!.removeView(view)
        }
    }

    fun replaceView(currentView: View, newView: View) {
        val parent = getParent(currentView) ?: return
        val index = parent!!.indexOfChild(currentView)
        removeView(currentView)
        removeView(newView)
        parent!!.addView(newView, index)
    }

    private fun getParent(view: View): ViewGroup {
        return view.parent as ViewGroup
    }
}