写一个iOS应用之前需要做的事情
为工程设置编码风格规范
Objective-C:
https://github.com/garfieldc/NYT-Objective-C-Style-Guide-CN
https://github.com/raywenderlich/objective-c-style-guide
Swift:
https://github.com/raywenderlich/swift-style-guide
确定应用架构
MVC
MVCS
MVVM
VIPER