content: '********** Copyright 2016 Roku Corp.  All Rights Reserved. **********
  
  sub Main()
      showChannelSGScreen()
  end sub
  
  sub showChannelSGScreen()
      screen = CreateObject("roSGScreen")
      m.port = CreateObject("roMessagePort")
      screen.setMessagePort(m.port)
      m.scene = screen.CreateScene("MainScene")
      screen.show()
      m.scene.ObserveField("selectedListItem", m.port)
  
      while(true)
          msg = wait(0, m.port)
  	msgType = type(msg)
          if msgType = "roSGScreenEvent"
              if msg.isScreenClosed() then return
          end if
      end while
  end sub
  
  