iOS 开发 swift语言demo，包括屏幕适配，指纹验证，计时器钟摆等功能的实现-IOS swift language development demo, including the screen adaptation, fingerprint verification, realize functions such as timer pendulum

手势密码加指纹登录源码,真正实现双重加密模范代码。-Gesture password and fingerprint login source code,Truly double encryption model code.