大小变化
https://developer.apple.com/documentation/xcode/reducing-your-app-s-size
https://www.linuxidc.com/Linux/2014-03/98192.htm
SDK制作
https://www.cnblogs.com/wi100sh/p/5961401.html
文件分析
https://www.jianshu.com/p/7a1af989877f
https://www.cnblogs.com/itech/archive/2012/09/16/2687423.html
私有API
https://blog.csdn.net/Deft_MKJing/article/details/94550353
https://github.com/NetEaseGame/iOS-private-api-checker
https://www.jianshu.com/p/07779e293ca7