iOS Device ID的几种形式

发表于 2018-05-09 更新于 2020-06-30 分类于软件开发阅读次数：

每次启动APP都会变更

1	NSString *uuid = [[NSUUID UUID] UUIDString]

每次安装APP都会变更

1	NSString *idfv = [[UIDevice currentDevice].identifierForVendor UUIDString];

跟随广告设置，新启动和新安装都不会变更

1
2
3

#import <AdSupport/ASIdentifierManager.h>  
ASIdentifierManager *asIM = [[ASIdentifierManager alloc] init];  
NSString *idfa = [asIM.advertisingIdentifier UUIDString];