What are the Alternatives of device UDID in iOS? - iOS7 / iOS 6 / iOS 5 – Get Device Unique Identifier UDID
Get Device Unique Identifier UDID Following code will help you to get the unique-device-identifier known as UDID. No matter what iOS user is using, you can get the UDID of the current iOS device by following code. - ( NSString *)UDID { NSString *uuidString = nil ; // get os version NSUInteger currentOSVersion = [[[[[UIDevice currentDevice ] systemVersion ] componentsSeparatedByString: @" . " ] objectAtIndex: 0 ] integerValue ]; if (currentOSVersion <= 5 ) { if ([[ NSUserDefaults standardUserDefaults ] valueForKey: @" udid " ]) { uuidString = [[ NSUserDefaults standardDefaults ] valueForKey: @" udid " ]; } else { CFUUIDRef uuidRef = CFUUIDCreate ( kCFAllocatorDefault ); uuidString = ( NSString *) CFBridgingRelease ( CFUUIDCreateString ( NULL ,uuidRef)); CFRelease (uuidRef); [[ NSUserDefaults standardUserDefaults ] setObject: uuidString ForKey: @" udid " ]; [[ NSUserDefaults standardUserDefaults ] synchro...
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