iOS.Dev.Support.MultiVersions

如何利用target conditionals和availabilty 

如何来区分平台iOS OR Mac

“When building for iOS the deployment target is __IPHONE_OS_VERSION_MIN_REQUIRED and the maximum SDK is __IPHONE_OS_VERSION_MAX_ALLOWED” R[1]

Availability.h 头文件中有各版本号的定义

Reference:

1. http://www.cocoanetics.com/2012/09/target-conditionals-and-availability/

2. http://www.cocoawithlove.com/2010/07/tips-tricks-for-conditional-ios3-ios32.html

3. http://www.wangdg.com/?p=567 (上一个link的中文版)

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记忆力下降，还是记录下来吧