content: ' Initialization method for the TickerExample component.
  sub init()
      m.video = m.top.findNode("video")
      videoContent = createObject("roSGNode", "ContentNode")
      videoContent.url = "http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/Sintel.mp4"
      m.video.content = videoContent
      m.video.control = "play"
      m.ticker = m.top.findNode("ticker")
      m.timer = createObject("roSGNode", "Timer")
      m.timer.duration = 20
      m.timer.observeField("fire", "addText")
      m.timer.control = "start"
  end sub
  
  ' A method to change the text showing in the ticker.
  sub addText()
      params = createObject("roAssociativeArray")
      params["text"] = "BREAKING NEWS: THIS TEXT WAS ADDED AS THE RESULT OF A TIMER."
      m.ticker.callFunc("setText", params)
  end sub