I know the two ways to get a operation queue as follow: queue1 = [[NSOperationQueue alloc] init]; queue2 = [[NSOperationQueue mainQueue] retain];
I have to download multiple files from Server in background process. for this i am using NSOperationQueue. During download i need to maintain when download has started & completed. For this i have
#00x345bbc98 in objc_msgSend () #10x35cd3616 in -[_PFManagedObjectReferenceQueue _processReferenceQueue:] ()
I\'m wondering would there be many threads if I hav开发者_如何学运维e one NSOperationQueue in each of my View Controllers, that is, I have many NSOperationQueues in my app.
I have a piece of code which calls [NSOperationQueue waitUntilAllOperationsAreFinished], in which the queue, I have placed a sensor detector for the Accelerometer.
This is my code: - (void)saveData:(NSString *)url withName:(NSString *)name{ NSString *URLString=[NSString stringWithFormat:@\"http://www.google.com/reader/atom/%@?n=%d&xt=user/-/state/com.googl
I create an NSOperation every time my app launches or resigns active. I need to queue them with dependencies such that two never execute at the same time, but one after another.
I have some textures and sound effects preloading I need to do asynchronously to create a smooth 开发者_JS百科user experience in an iOS game I am developing.
Well I have a serious problem. I have a class that manages connections with NSOperationQueue and delegate methods for that class that are actually NSURLConnection delegate methods. Sometimes, I have t
This is by far the weirdest problem I\'ve been stuck with. I have a UIViewController on a UINavigationController and I want to call a method at viewDidAppear using NSInvocationOperation so it can run
加载中,请稍侯......