SystemVersion.m

//
//  SystemVersion.m
//  GMKit
//
//  Created by wangyang on 2017/11/8.
//

#import "SystemVersion.h"

@implementation SystemVersion
+ (BOOL)equalTo:(NSString *)version {
    return [[[UIDevice currentDevice] systemVersion] compare:version options: NSNumericSearch] == NSOrderedSame;
}

+ (BOOL)greaterThan:(NSString *)version {
    return [[[UIDevice currentDevice] systemVersion] compare:version options: NSNumericSearch] == NSOrderedDescending;
}

+ (BOOL)greaterThanOrEqualTo:(NSString *)version {
    return [[[UIDevice currentDevice] systemVersion] compare:version options: NSNumericSearch] != NSOrderedAscending;
}

+ (BOOL)lessThan:(NSString *)version {
    return [[[UIDevice currentDevice] systemVersion] compare:version options: NSNumericSearch] == NSOrderedAscending;
}

+ (BOOL)lessThanOrEqualTo:(NSString *)version {
    return [[[UIDevice currentDevice] systemVersion] compare:version options: NSNumericSearch] != NSOrderedDescending;
}
@end