Problem getting information to GridScreen

Archived
1 
' ********** Copyright 2016 Roku Corp.  All Rights Reserved. **********
'inits grid screen
'creates all children
'sets all observers

Function Init()
	Print"[GridScreen] Init"
	
	m.rowList=m.top.findNode("RowList")
	m.description=m.top.findNode("Description")
	m.background=m.top.findNode("Background")
	
	m.top.observeField("visible","onVisibleChange")
	m.top.observeField("focusedChild","OnFocusedChildChange")
End Function

'handler of focused item in RowList
Sub OnItemFocused()
	itemFocused=m.top.itemFocused

	If itemFocused.Count()=2
		focusedContent=m.top.content.getChild(itemFocused[0]).getChild(itemFocused[1])
		If focusedContent<>invalid
			m.top.focusedContent=focusedContent
			m.description.content=focusedContent
			m.background.uri=focusedContent.hdBackgroundImageUrl
		else
            focusedIndex = m.rowList.rowItemFocused ' get position of focused item
            row = m.rowList.content.GetChild(focusedIndex[0]) ' get all items of row
            item = row.GetChild(focusedIndex[1]) ' get focused item
			numRows = 2
			for i = 1 To numRows 
			  row = m.rowList.content.GetChild(focusedIndex[0]+i) ' get all items of row
			  ? row
		      getMoviesItem(row)
			end for
		End If
	End If
	
End Sub

'set proper focus to RowList in case if return from Details Screen
Sub onVisibleChange()
	If m.top.visible=TRUE
		m.rowList.setFocus(TRUE)
	End If
End Sub

'set proper focus to RowList in case if return from Details Screen
Sub OnFocusedChildChange()
	If m.top.isInFocusChain() And Not m.rowList.hasFocus()
		m.rowList.setFocus(TRUE)
	End If

End Sub

sub getMoviesItem(parent As Object)
	readInternet=createObject("roUrlTransfer")
	readInternet.setUrl("http://xoe.ddns.net/RokuDev/api.php?cmd=content&type=movies&category="+parent.id)
	source=readInternet.GetToString()
	responseJSON = ParseJSON(source)
    if responseJSON <> invalid then
	  For Each itemAA In responseJSON.content
		itemNew= parent.CreateChild("ContentNode")
		itemNew.Title=itemAA.Title
		itemNew.ContentType=itemAA.ContentType
		itemNew.ContentId=itemAA.MoviesId
		itemNew.Id=itemAA.MoviesId
		itemNew.description=itemAA.description
		itemNew.url=itemAA.StreamUrls
		itemNew.Rating=itemAA.Rating
		itemNew.SubtitleUrl=itemAA.SubtitleUrl
		itemNew.Length=itemAA.Length
		itemNew.streamFormat=itemAA.StreamFormat
		itemNew.releasedate=itemAA.ReleaseDate
		itemNew.HDPosterURL=itemaa.SDPosterUrl
		itemNew.hdbackgroundimageurl=itemaa.HDPosterURL
	  Next	  
    end if
End sub
2

Look at the first line in the screen capture you posted. You can’t use roUrlTransfer in the render thread. You have to set up a task.