code: def on_touch(self, view, event):
          
          d = self.declaration
          r = {'event': event, 'result': False}
          d.touch_event(r)
          return r['result']
docs: Trigger the touch event
  
          Parameters
          ----------
          view: int
              The ID of the view that sent this event
          data: bytes
              The msgpack encoded key event