iOS CAlayer 动画进入后台或者 调用viewWillDisappear viewDidDisappear后动画暂停问题的解决办法
iOSCAlayer动画进入后台或者调用viewWillDisappearviewDidDisappear后动画暂停问题的解决办法.Whenmyapplicationisenteringbackground,becausetheuserpushthehomebutton,theanimationscorrectlysetinpause,butwhenire-openmyapp,theanimati