-- in main.lua
topBoundary = 100
bottomBoundary = 500
local scrollView = scrollView.new{ top=topBoundary, bottom=bottomBoundary }
 
-- in scrollView.lua
local screenW, screenH = 100, 500
local viewableScreenW, viewableScreenH = 100, 500

-- experiment to keep scrolling within a defined rectangle
local scrollView = require("scrollView")
local util = require("util")
 
local rectLeft = 100
local rectTop  = 100
local rectWidth = 300
local rectHeight = 400
local background = display.newRect(rectLeft, rectTop, rectWidth, rectHeight )
background:setFillColor(200, 200, 200)
 
-- Setup a scrollable content group
local topBoundary = display.screenOriginY + 60
local bottomBoundary = display.screenOriginY + 48
local scrollView = scrollView.new{ top=topBoundary, bottom=bottomBoundary }
 
-- add some text to the scrolling screen
local lotsOfText = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur imperdiet consectetur euismod. Phasellus non ipsum vel eros vestibulum consequat. Integer convallis quam id urna tristique eu viverra risus eleifend.Aenean suscipit placerat venenatis. Pellentesque faucibus venenatis eleifend. Nam lorem felis, rhoncus vel rutrum quis, tincidunt in sapien. Proin eu elit tortor. Nam ut mauris pellentesque justo vulputate convallis eu vitae metus. Praesent mauris eros, hendrerit ac convallis vel, cursus quis sem. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque fermentum, dui in vehicula dapibus, lorem nisi placerat turpis, quis gravida elit lectus eget nibh. Mauris molestie auctor facilisis. Curabitur lorem mi, molestie eget tincidunt quis, blandit a libero. Cras a lorem sed purus gravida rhoncus. Cras vel risus dolor, at accumsan nisi. Morbi sit amet sem purus, ut tempor mauris.\n\nLorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur imperdiet consectetur euismod. Phasellus non ipsum vel eros vestibulum consequat. Integer convallis quam id urna tristique eu viverra risus eleifend.\n\nAenean suscipit placerat venenatis. Pellentesque faucibus venenatis eleifend. Nam lorem felis, rhoncus vel rutrum quis, tincidunt in sapien. Proin eu elit tortor. Nam ut mauris pellentesque justo vulputate convallis eu vitae metus. Praesent mauris eros, hendrerit ac convallis vel, cursus quis sem. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque fermentum, dui in vehicula dapibus, lorem nisi placerat turpis, quis gravida elit lectus eget nibh. Mauris molestie auctor facilisis.\n\nCurabitur lorem mi, molestie eget tincidunt quis, blandit a libero. Cras a lorem sed purus gravida rhoncus. Cras vel risus dolor, at accumsan nisi. Morbi sit amet sem purus, ut tempor mauris. "
 
-- text was made green to see it on most backgrounds
local lotsOfTextObject = util.wrappedText( lotsOfText, 30, 16, native.systemFont, {0,255,0} )
scrollView:insert(lotsOfTextObject)
lotsOfTextObject.x = rectLeft
lotsOfTextObject.y = rectTop

module(...,package.seeall)
require('scrollView')
function scrollBox:new(params)
   local scrollBox = scrollView:new()
   scrollBox.text = display.newGroup()
   scrollBox:addScrollBar()
   scrollBox.text.y = 0
   scrollBox.textPos = 5
   scrollBox.params = params
   scrollBox.setReferencePoint = display.TopLeftReferencePoint
   scrollBox.x = params.left or 0
   scrollBox.y = params.top or 10
   scrollBox.height = params.height
 
   function scrollBox:addLine(text)
                local pos = self.textPos
                local params = self.params
                local limit = params.limit or 72 -- edit this manually
                local textToAdd = wrappedText(text,limit,params.fontSize,params.font,params.fontColor,'  ','>')
                self:insert(textToAdd)
                textToAdd.y = pos
                self.textPos = pos + (textToAdd.height) + params.lineHeightAdjust
        end
        
        function scrollBox:changeFontColor(r,g,b)
                self.params.fontColor = {r,g,b}
        end     
                
   return scrollBox     
end
 
 
 
 
 
 
 
 
function wrap(str, limit, indent, indent1)
  indent = indent or ""
  indent1 = indent1 or indent
  limit = limit or 72
  local here = 1-#indent1
  return indent1..str:gsub("(%s+)()(%S+)()",
                          function(sp, st, word, fi)
                            if fi-here > limit then
                              here = st - #indent
                              return "\n"..indent..word
                            end
                          end)
end
 
function explode(div,str)
  if (div=='') then return false end
  local pos,arr = 0,{}
  -- for each divider found
  for st,sp in function() return string.find(str,div,pos,true) end do
    table.insert(arr,string.sub(str,pos,st-1)) -- Attach chars left of current divider
    pos = sp + 1 -- Jump past current divider
  end
  table.insert(arr,string.sub(str,pos)) -- Attach chars right of last divider
  return arr
end
 
 
function wrappedText(str, limit, size, font, color, indent, indent1)
        str = explode("\n", str)
        size = tonumber(size) or 12
        color = color or {255, 255, 255}
        font = font or "Helvetica"      
 
        --apply line breaks using the wrapping function
        local i = 1
        local strFinal = ""
    while i <= #str do
                strW = wrap(str[i], limit, indent, indent1)
                strFinal = strFinal.."\n"..strW
                i = i + 1
        end
        str = strFinal
        
        --search for each line that ends with a line break and add to an array
        local pos, arr = 0, {}
        for st,sp in function() return string.find(str,"\n",pos,true) end do
                table.insert(arr,string.sub(str,pos,st-1)) 
                pos = sp + 1 
        end
        table.insert(arr,string.sub(str,pos)) 
                        
        --iterate through the array and add each item as a display object to the group
        local g = display.newGroup()
        local i = 1
    while i <= #arr do
                local t = display.newText( arr[i], 0, 0, font, size )    
                t:setTextColor( color[1], color[2], color[3] )
                t.x = math.floor(t.width/2)
                t.y = (size*1.3)*(i-1)
                g:insert(t)
                i = i + 1
        end
        return g
end

require('scrollBox')
 
function main()
        
        chat = display.newGroup()
        --borderImage = display.newImage('background.png',0,0)
        chatBox = scrollBox:new({
                top=15,
                left=10,
                fontSize=14,
                font="verdana",
                fontColor={0,0,255},
                lineHeightAdjust=-8,
                })
        --chat:insert(borderImage)
        chat:insert(chatBox)
        chatBox:addLine("NOTE: This is a community support forum. You can ask questions here and the community will help and, often, the Ansca staff will try and help as much as possible.")
        chatBox:addLine("Testing 1,2,3,4,5,6,7,8,9...")
        chatBox:addLine("Testing ....")
        chatBox:changeFontColor(0,120,120)
        chatBox:addLine("Become a Corona subscriber today and get all the benefits of the SDK plus daily builds, bug base access, subscribers only webinars and pre-release features and more. Subscribe NBecome a Corona subscriber today and get all the benefits of the SDK plus daily builds, bug base access, subscribers only webinars and pre-release features and more. Subscribe NBecome a Corona subscriber today and get all the benefits of the SDK plus daily builds, bug base access, subscribers only webinars and pre-release features and more. Subscribe NBecome a Corona subscriber today and get all the benefits of the SDK plus daily builds, bug base access, subscribers only webinars and pre-release features and more. Subscribe NBecome a Corona subscriber today and get all the benefits of the SDK plus daily builds, bug base access, subscribers only webinars and pre-release features and more. Subscribe NBecome a Corona subscriber today and get all the benefits of the SDK plus daily builds, bug base access, subscribers only webinars and pre-release features and more. Subscribe Now »")
        chatBox:addLine("Testing 1,2,3,4,5,6,7,8,9...")
        chatBox:addLine("Become a Corona subscriber today and get all the benefits of the SDK plus daily builds, bug base access, subscribers only webinars and pre-release features and more. Subscribe NBecome a Corona subscriber today and get all the benefits of the SDK plus daily builds, bug base access, subscribers only webinars and pre-release features and more. Subscribe NBecome a Corona subscriber today and get all the benefits of the SDK plus daily builds, bug base access, subscribers only webinars and pre-release features and more. Subscribe NBecome a Corona subscriber today and get all the benefits of the SDK plus daily builds, bug base access, subscribers only webinars and pre-release features and more. Subscribe NBecome a Corona subscriber today and get all the benefits of the SDK plus daily builds, bug base access, subscribers only webinars and pre-release features and more. Subscribe NBecome a Corona subscriber today and get all the benefits of the SDK plus daily builds, bug base access, subscribers only webinars and pre-release features and more. Subscribe Now »")
        chatBox:addLine("Testing 1,2,3,4,5,6,7,8,9...")
end
 
main()

local commentField = native.newTextField( 0, 0, 200, 80, commentFieldHandler )
        commentField.font = native.newFont( native.systemFontBold, inputFontSize )
        commentField.text = "Comments here"            
        commentField:setTextColor(160,160,160)
        
        scrollView:insert(commentField)

local scrollBackground = display.newRect(0, 0, display.contentWidth, scrollView.height)
        scrollBackground.alpha=0.1
        scrollView:insert(1, scrollBackground)

scrollView.lua:154: attempt to perform arithmetic on field 'prevTime' (a nil value)

module(..., package.seeall)
 
function new()
    local g = display.newGroup()
     
    local callback = function(rss)
        local syndication = SyndicationFeed:new("NRK Feed")
        syndication:parseFeed(rss)
 
        local items = syndication:getItems()
        for i=1, #items do
            local item = items[i]
            local itemGroup = display.newGroup()
            local title = display.newText(item.title, 10, 10, "Helvetica", 16)
            itemGroup:insert(title)
            itemGroup.y = 10 + (40 * (i-1))
            g:insert(itemGroup)
        end
    end
     
    UrlLoader:new("http://www.nrk.no/nyheter/siste.rss", callback)
     
    return g
end

module(..., package.seeall)
 
------------ I put below for scrolling
function new()
        
        -------------------------------
 
local scrollView = require("scrollView")
local util = require("util")
 
local background = display.newRect(0, 0, display.contentWidth, display.contentHeight)
background:setFillColor(140, 140, 140)
 
-- Setup a scrollable content group
local topBoundary = display.screenOriginY
local bottomBoundary = display.screenOriginY
local scrollView = scrollView.new{ top=topBoundary, bottom=bottomBoundary }
 
-- add some text to the scrolling screen
 
--------------
-- i moved to top     function new()
        local g = display.newGroup()
        
        local callback = function(rss)
 
 
        
        
                local syndication = SyndicationFeed:new("NRK Feed")
                syndication:parseFeed(rss)
--print(rss)
                local items = syndication:getItems()
                for i=1, #items do
                        local item = items[i]
                        local itemGroup = display.newGroup()
                        --local title = display.newText(item.description, 10, 10, "Helvetica", 12)
                        
                        local  lotsOfText  = display.newText(item.description, 10, 10, "Helvetica", 12)
                        
                
                        
                        
                        itemGroup:insert(title)
                        
                        
                        itemGroup.y = 10 + (40 * (i-1))
                        g:insert(itemGroup)
                        
                        
                        ------------------------
                        
                                        ---------------------------------------
local lotsOfTextObject = util.wrappedText( lotsOfText, 39, 14, native.systemFont, {0,0,0} )
scrollView:insert(lotsOfTextObject)
lotsOfTextObject.x = 24
lotsOfTextObject.y = math.floor(myText.y + myText.height)
 
-------------------------------
                -----------------------
 
-- Important! Add a background to the scroll view for a proper hit area
local scrollBackground = display.newRect(0, 0, display.contentWidth, scrollView.height+64)
scrollBackground:setFillColor(255, 255, 255)
scrollView:insert(1, scrollBackground)
 
scrollView:addScrollBar()
 
------------------
                        
                        
                        
                        -------------------------
                        
                        
                        
                end
end
                
 
                
        
        
        --
        --
        UrlLoader:new("http://www.test.com/AvgPriceList.xml", callback)
        
        --
        --UrlLoader:new("http://www.nrk.no/nyheter/siste.rss", callback)
        --UrlLoader:new("http://rss.cnn.com/rss/cnn_tech.rss", callback)
        --UrlLoader:new("http://feeds.feedburner.com/blogspot/aXXwY/", callback)
        
        
        return g
end

Runtime error
        ...mhc132pm9b6m0000gn/T/TemporaryItems/72/View_News.lua:45: ERROR: table expected. If this is a function call, you might have used '.' instead of ':'
stack traceback:
        [C]: ?
        [C]: in function 'insert'
        ...mhc132pm9b6m0000gn/T/TemporaryItems/72/View_News.lua:45: in function 'callbackHandler'
        ...2pm9b6m0000gn/T/TemporaryItems/72/Data_UrlLoader.lua:15: in function <...2pm9b6m0000gn/T/TemporaryItems/72/Data_UrlLoader.lua:11>

itemGroup:insert(title)