iPhone上画面切换特效及代码,整理了许多效果，对新手帮助还不错-on the iPhone screen switching effects and code compiled many effects, good help for the novice

模仿支付宝初始的解锁页面，绘制一个解锁画面，支持手势触摸得到手势密码-Gestures unlock, imitation pay treasure to unlock the page drawing