iphone - Unique Identifier Changing on 64 bit iOS Device -

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reviewed lots of questions there number of questions same topic not find same issue posting.

issue

looking generate unique identifier ios device if user install app , reinstall generate same identifier.

resolved not working 64 bit devices

i used code fetching unique identifier ios device , works fine when run on 64 bit ios device gives different result on every install. please review if know possible solution.

- (nsstring *)getuuid {     @try {         uidevice *device = [uidevice currentdevice];         return [[device identifierforvendor]uuidstring];     }     @catch (nsexception *exception) {         return @"00000-00000-0000-00000";     } }

the identifierforvendor stay same long app same developer(vendor) installed on device.

thus if user uninstalls app , there no other app on user device identifierforvendor different when user re-installs app.

apple has made clear don't want developers track devices or installs per device. can no longer unique identifier device.

the changing of identifierforvendor have re-installing isseu. i've been tracking identifierforvendor , dit not see issue.


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