content: sub RunContentTask()
    m.contentTask = CreateObject("roSGNode", "MainLoaderTask") ' create task for feed retrieving
    ' observe content so we know when content feed is parsed
    m.contentTask.ObserveField("content", "OnMainContentLoaded")
    m.contentTask.control = "run" ' GetContent(see MainContentTask.brs) method is executed
    m.loadingIndicator.visible = true ' show loading indicator while content is loading
  end sub
  
  sub OnMainContentLoaded() ' invoked when the content feed is finished being parsed
    m.GridScreen.SetFocus(true) ' set focus to GridScreen
    m.loadingIndicator.visible = false
    m.GridScreen.content = m.contentTask.content ' populate GridScreen with content
  end sub
  