content: sub init()
  	m.title = m.top.FindNode("detail_screen_title_label")
  	m.description = m.top.FindNode("description")
  	m.thumbnail = m.top.FindNode("thumbnail")
  	m.play_button = m.top.FindNode("play_button")
  	m.top.observeField("visible", "on_visible_change")
  	m.play_button.setFocus(true)
  end sub
  
  sub on_visible_change()
  	if m.top.visible = true then
  		m.play_button.setFocus(true)
  	end if
  end sub
  
  sub on_content_change(obj)
  	item = obj.getData()
  	m.title.text = item.title
  	m.description.text = item.description
  	m.thumbnail.uri = item.HDGRIDPOSTERURL
  end sub