bug fix: invaild scroll event if no view specified
bug fix: invaild scroll event if no view specified

lynnlyc/droidbot,lynnlyc/droidbot,honeynet/droidbot,nastya/droidbot,honeynet/droidbot,honeynet/droidbot,nastya/droidbot,nastya/droidbot,honeynet/droidbot,nastya/droidbot