PP揭示侧视图控制器界面切换效果，精选ios编程学习源码，很好的参考资料。-PP reveals the side view controller interface switching effect, selection of learning IOS programming source code, a good reference.

SS客户端，iOS版，可以使用PP助手安装到手机(ss client, it's powerful tools for iphone. If you want to install it for your iPhone,Please use PP helper.)