Brings back the unique identifier support under iOS 5, it uses the device's mac address in combination with the bundle identifier to generate a new hashed unique identifier.
Objective-C
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Classes
UIDeviceAddition.xcodeproj
UIDeviceAddition
README.markdown
license

README.markdown

Description

Apple stopped supporting a unique identifier for iOS. This source code solves the problem. It generates a unique identifier based on the mac address of the device in combination with the bundle identifier.

What you need to do:

  • copy NSString+MD5Addition and UIDevice+IdentifierAddition to your project.

  • use [[UIDevice currentDevice] uniqueDeviceIdentifier] to retrieve the unique identifier or

  • use [[UIDevice currentDevice] uniqueGlobalDeviceIdentifier] to retrieve a global unique identifier (used for tracking between different apps).

  • have fun and follow twitter.com/gekitz ;)

//Thanks to Erica Sadun for her UIDevice+Hardware Addition (used for the mac address retrieval).

Improvement

  • Fix a bug on the MD5 extension to NSString. The MD5 hash for an empty string (length = 0) should not be nil. (K Zhao)

License

see license file.