// // SystemVersion.h // GMKit // // Created by wangyang on 2017/11/8. // #import #define SYSTEM_VERSION_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options: NSNumericSearch] == NSOrderedSame) #define SYSTEM_VERSION_GREATER_THAN(v) ([[[UIDevice currentDevice] systemVersion] compare:v options: NSNumericSearch] == NSOrderedDescending) #define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options: NSNumericSearch] != NSOrderedAscending) #define SYSTEM_VERSION_LESS_THAN(v) ([[[UIDevice currentDevice] systemVersion] compare:v options: NSNumericSearch] == NSOrderedAscending) #define SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options: NSNumericSearch] != NSOrderedDescending) @interface SystemVersion : NSObject + (BOOL)equalTo:(NSString *)version; + (BOOL)greaterThan:(NSString *)version; + (BOOL)greaterThanOrEqualTo:(NSString *)version; + (BOOL)lessThan:(NSString *)version; + (BOOL)lessThanOrEqualTo:(NSString *)version; @end