Hi,
I am building my channel, I have a question about the AppPosterScreen.
I used for to develop my channel the example "simpleplayer" from Roku, every thing is up, BUT when i try to open the channel the first "poster screen" is on my left...i would like start my channel on the center and not on the left, I have just 3 poster screen. I tried to see on XML ma nothing.
Thank you for help me...
Follow the script:
'******************************************************
'** Video Player Example Application -- Poster Screen
'** November 2009
'** Copyright (c) 2009 Roku Inc. All Rights Reserved.
'******************************************************
'******************************************************
'** Perform any startup/initialization stuff prior to
'** initially showing the screen.
'******************************************************
Function preShowPosterScreen(breadA=invalid, breadB=invalid) As Object
if validateParam(breadA, "roString", "preShowPosterScreen", true) = false return -1
if validateParam(breadB, "roString", "preShowPosterScreen", true) = false return -1
port=CreateObject("roMessagePort")
screen = CreateObject("roPosterScreen")
screen.SetMessagePort(port)
if breadA<>invalid and breadB<>invalid then
screen.SetBreadcrumbText("", "")
end if
screen.SetListStyle("arced-landscape")
return screen
End Function
'******************************************************
'** Display the home screen and wait for events from
'** the screen. The screen will show retreiving while
'** we fetch and parse the feeds for the game posters
'******************************************************
Function showPosterScreen(screen As Object, category As Object) As Integer
if validateParam(screen, "roPosterScreen", "showPosterScreen") = false return -1
if validateParam(category, "roAssociativeArray", "showPosterScreen") = false return -1
m.curCategory = 0
m.curShow = 0
screen.SetListNames(getCategoryList(category))
screen.SetContentList(getShowsForCategoryItem(category, m.curCategory))
screen.Show()
while true
msg = wait(0, screen.GetMessagePort())
if type(msg) = "roPosterScreenEvent" then
print "showPosterScreen | msg = "; msg.GetMessage() " | index = "; msg.GetIndex()
if msg.isListFocused() then
m.curCategory = msg.GetIndex()
m.curShow = 0
screen.SetFocusedListItem(m.curShow)
screen.SetContentList(getShowsForCategoryItem(category, m.curCategory))
print "list focused | current category = "; m.curCategory
else if msg.isListItemSelected() then
m.curShow = msg.GetIndex()
print "list item selected | current show = "; m.curShow
m.curShow = displayShowDetailScreen(category, m.curShow)
screen.SetFocusedListItem(m.curShow)
print "list item updated | new show = "; m.curShow
else if msg.isScreenClosed() then
return -1
end if
end If
end while
End Function
'**********************************************************
'** When a poster on the home screen is selected, we call
'** this function passing an associative array with the
'** data for the selected show. This data should be
'** sufficient for the show detail (springboard) to display
'**********************************************************
Function displayShowDetailScreen(category as Object, showIndex as Integer) As Integer
if validateParam(category, "roAssociativeArray", "displayShowDetailScreen") = false return -1
shows = getShowsForCategoryItem(category, m.curCategory)
screen = preShowDetailScreen(category.Title, category.kids[m.curCategory].Title)
showIndex = showDetailScreen(screen, shows, showIndex)
return showIndex
End Function
'**************************************************************
'** Given an roAssociativeArray representing a category node
'** from the category feed tree, return an roArray containing
'** the names of all of the sub categories in the list.
'***************************************************************
Function getCategoryList(topCategory As Object) As Object
if validateParam(topCategory, "roAssociativeArray", "getCategoryList") = false return -1
if type(topCategory) <> "roAssociativeArray" then
print "incorrect type passed to getCategoryList"
return -1
endif
categoryList = CreateObject("roArray", 100, true)
for each subCategory in topCategory.Kids
categoryList.Push(subcategory.Title)
next
return categoryList
End Function
'********************************************************************
'** Return the list of shows corresponding the currently selected
'** category in the filter banner. As the user highlights a
'** category on the top of the poster screen, the list of posters
'** displayed should be refreshed to corrrespond to the highlighted
'** item. This function returns the list of shows for that category
'********************************************************************
Function getShowsForCategoryItem(category As Object, item As Integer) As Object
if validateParam(category, "roAssociativeArray", "getCategoryList") = false return invalid
conn = InitShowFeedConnection(category.kids[item])
showList = conn.LoadShowFeed(conn)
return showList
End Function
