BeijingiOSDeveloper/XYWAppVersionHelper

版本兼容助手，获取本次启动或者上次启动时float类型的版本号，检测本次启动是升级还是初次安装。 Version compatibility assistant. When you launch, check whether this startup is an upgrade or initial installation,.and, you can get the version number size of the float type.

Objective-CMIT