//TODO: make texts scroll-able
    //display the sender (inbox)/recipient (output), date time, and content of message
    void SetViewToTextMessage(TextMessage txt)
    {
        //update the json file that this text has been read
        if (!txt.HasBeenRead())
        {
            Debug.Log ("-\n-\n");
            JSONArray array = (JSONArray)savedTexts["texts"];
            for (int i = 0; i < array.Count; i++)
            {
                //setting to strings, because otherwise a "==" comparision always returns false, even when it should return true
                string sender = array[i]["sender"];
                string timestamp = array[i]["timestamp"];
                string message = array[i]["message"];
                if (sender == txt.GetSender() && timestamp == (""+txt.GetTimestamp()) && message == txt.GetMessage())
                {
                    array[i]["isRead"] = "True";
                    break;
                }
            }
            savedTexts["texts"] = array;
            SaveJson();
            txt.SetHasBeenRead(true);
        }

        //need to check for unread texts here, in case the user presses the "red" button, to go back to the main menu.
        //this would bypass going back to the lists of texts which previously checked for unread texts
        if (ps.hasUnreadTexts && collectionType == CollectionType.Inbox)
        {
            bool newHasUnreadTexts = false;
            for (int i = 0; i < textsLength; i++)
            {
                if (!texts[i].HasBeenRead())
                {
                    newHasUnreadTexts = true;
                    break;
                }
            }
            ps.hasUnreadTexts = newHasUnreadTexts;
        }
        ps.HandleHasUnreadMessages ();
        PhoneState.SetState(PhoneState.State.TextMessageDisplay);

        string str = "";
        if (collectionType == CollectionType.Inbox)
        {
            //PhoneState.SetState(PhoneState.State.TextMessageInboxDisplay);
            string senderNumber = txt.GetSender();
            str = "From: " + GetContactFromNumber(senderNumber, txt.IsTraceable()) + "\n";
        }
        else
        {
            //PhoneState.SetState(PhoneState.State.TextMessageOutboxDisplay);
            string recipNumber = txt.GetRecipient();
            str = "To: " + GetContactFromNumber(recipNumber, true) + "\n";
        }

        str += "Time: " + GetDateTimeFromTimestamp(txt.GetTimestamp()) +"\n";

        str += txt.GetMessage ();
        cs.SetScreenText(str);
        cs.SetHeadingText("Message");
        cs.SetNavLeftText ("Back");
        cs.SetNavRightText ("Options");
    }