Moved iview's code inside the tick() function
Moved iview's code inside the tick() function

HongjianLi/usr,HongjianLi/usr,HongjianLi/usr,HongjianLi/USR-VS,HongjianLi/USR-VS,HongjianLi/USR-VS,HongjianLi/usr,HongjianLi/USR-VS