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2014/10/15 ¤U¤È 10:04:58
iphone Programming Glossary: cfbridgingreleaseHow to generate unique identifier which should work in all iOS versions? http://stackoverflow.com/questions/17677655/how-to-generate-unique-identifier-which-should-work-in-all-ios-versions to the project b Generated CFUUID key String CFUUIDRef cfuuid CFUUIDCreate kCFAllocatorDefault udidString NSString CFBridgingRelease CFUUIDCreateString kCFAllocatorDefault cfuuid c Saved it to Key Chain Utils or else it will generate a new Unique Each Time.. self objectForKey @ deviceID if udidString CFUUIDRef cfuuid CFUUIDCreate kCFAllocatorDefault udidString NSString CFBridgingRelease CFUUIDCreateString kCFAllocatorDefault cfuuid self setObject udidString forKey @ deviceID return udidString void setObject..
Get iPhone phone number label from Address Book http://stackoverflow.com/questions/5369423/get-iphone-phone-number-label-from-address-book
http://stackoverflow.com/questions/8086584/objective-c-url-encoding escapedString NSLog output escapedString http 3A 2F 2Fwww Under ARC one alternative is NSString escapedString NSString CFBridgingRelease CFURLCreateStringByAddingPercentEscapes NULL __bridge CFStringRef unescaped NULL CFSTR ' @ # kCFStringEncodingUTF8 Note..
NSMakeCollectable and ARC doesn't work http://stackoverflow.com/questions/8594721/nsmakecollectable-and-arc-doesnt-work id uuid this transfers a retain from CF's control to ARC's control. return result Edit As other answers have mentioned CFBridgingRelease does this for you. So instead of using __bridge_transfer id uuid it may be cleaner to write CFBridgingRelease uuid . They..
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