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2014/10/15 ¤U¤È 10:13:51

iphone Programming Glossary: sema

How do I correctly use ABAddressBookCreateWithOptions method in iOS 6?

http://stackoverflow.com/questions/12083643/how-do-i-correctly-use-abaddressbookcreatewithoptions-method-in-ios-6

__block BOOL accessGranted NO if ABAddressBookRequestAccessWithCompletion NULL we're on iOS 6 dispatch_semaphore_t sema dispatch_semaphore_create 0 ABAddressBookRequestAccessWithCompletion addressBook ^ bool granted CFErrorRef error.. __block BOOL accessGranted NO if ABAddressBookRequestAccessWithCompletion NULL we're on iOS 6 dispatch_semaphore_t sema dispatch_semaphore_create 0 ABAddressBookRequestAccessWithCompletion addressBook ^ bool granted CFErrorRef error accessGranted.. accessGranted NO if ABAddressBookRequestAccessWithCompletion NULL we're on iOS 6 dispatch_semaphore_t sema dispatch_semaphore_create 0 ABAddressBookRequestAccessWithCompletion addressBook ^ bool granted CFErrorRef error accessGranted granted..

Fetch Contacts in iOS 7

http://stackoverflow.com/questions/19027118/fetch-contacts-in-ios-7

NULL error __block BOOL accessGranted NO if ABAddressBookRequestAccessWithCompletion NULL we're on iOS 6 dispatch_semaphore_t sema dispatch_semaphore_create 0 ABAddressBookRequestAccessWithCompletion addressBook ^ bool granted CFErrorRef error.. __block BOOL accessGranted NO if ABAddressBookRequestAccessWithCompletion NULL we're on iOS 6 dispatch_semaphore_t sema dispatch_semaphore_create 0 ABAddressBookRequestAccessWithCompletion addressBook ^ bool granted CFErrorRef error accessGranted.. accessGranted NO if ABAddressBookRequestAccessWithCompletion NULL we're on iOS 6 dispatch_semaphore_t sema dispatch_semaphore_create 0 ABAddressBookRequestAccessWithCompletion addressBook ^ bool granted CFErrorRef error accessGranted granted..

Wait for assetForURL blocks to be completed

http://stackoverflow.com/questions/7234445/wait-for-assetforurl-blocks-to-be-completed

doesn't allow location in your app iphone objective c alasset alassetslibrary share improve this question GCD semaphore approach dispatch_semaphore_t sema dispatch_semaphore_create 0 dispatch_queue_t queue dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_DEFAULT.. your app iphone objective c alasset alassetslibrary share improve this question GCD semaphore approach dispatch_semaphore_t sema dispatch_semaphore_create 0 dispatch_queue_t queue dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_DEFAULT.. iphone objective c alasset alassetslibrary share improve this question GCD semaphore approach dispatch_semaphore_t sema dispatch_semaphore_create 0 dispatch_queue_t queue dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_DEFAULT 0 for NSURL..