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UUID (Universally Unique Identifier): A sequence of 128 bits that can guarantee uniqueness across space and time, defined by [RFC 4122][rfc4122].
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GUID (Globally Unique Identifier): Microsoft's implementation of the UUID specification; often used interchangeably with UUID.
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UDID _(Unique Device Identifier)): A sequence of 40 hexadecimal characters that uniquely identify an iOS device (the device's Social Security Number, if you will). This value can be retrieved through iTunes, or found using UIDevice -uniqueIdentifier. Derived from hardware details like MAC address.
Junfeng hujunfeng
hujunfeng
/ udid-faq.md
Last active
January 24, 2024 14:15
UDID, identifierForVendor and advertisingIdentifier FAQ
hujunfeng
/ UIDeviceHardware.h
Last active
October 13, 2015 22:58
— forked from Jaybles/UIDeviceHardware.h
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| // | |
| // UIDeviceHardware.h | |
| // | |
| // Used to determine EXACT version of device software is running on. | |
| #import <Foundation/Foundation.h> | |
| @interface UIDeviceHardware : NSObject | |
| + (NSString *)platform; |
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