nsoperationqueue

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Marking custom subclass of NSOperation as terminated?

I\'ve created a custom subclass of NSOperation and I\'ve overwritten the main method. @interface WGTask : NSOperation[详细]

2023-04-02 05:47 分类：问答
GCD, NSOperationQueue, or create a thread manually?

When you use threads, do you have any preferences? In general rule, to use any of these techniques : create a new thread manually and use the run loop[详细]

2023-03-29 14:56 分类：问答
Handling data returned from multiple NSOperation objects in an NSOperation object that depends on them

I am writing a web-connected application that 开发者_StackOverflowneeds to execute several asynchronous requeststo load data needed lower down in the dependency tree.[详细]

2023-03-28 09:02 分类：问答
NSOperation not being properly cancelled

I am using NSOperation to perform some heavy parsing of data, then return back to the main thread with objects ready to be used by my app. I handle all operations by placing them on a singleton NSOper[详细]

2023-03-27 06:26 分类：问答
iOS NSOperation subclass freezes device rotation on execution

I need your help. I have write my own custom NSOperation class called GetNewsOperation. I call it like this:[详细]

2023-03-26 08:57 分类：问答
iOS - Background processes and UI update

the question is simple : my app control if there is an update every time it starts. If there is an update a popup will be shown with a Yes or No choose. When user tap Yes 4 methods start. These method[详细]

2023-03-25 23:35 分类：问答
NSOperation cancel problem

I have a problem. In my program I need to cancel operations (subclass NSOperation) in queue after clicking on button. But when I calling [queue cancelAllOperations] nothing开发者_Go百科 happens. The q[详细]

2023-03-25 21:51 分类：问答
Objective-C – ASINetworkQueue executes added requests twice?

I\'m using an ASINetworkQueue to queue up my requests. Whereas I add 12 requests, in the end it downloads 24 times, downloading each request twice? Why is that? And how can I prevent it?[详细]

2023-03-25 19:32 分类：问答
exc_bad_acccess when adding to NSOperationQueue

I\'ve subclassed NSOperation and - (void) main is ok, (since it worked before using NSOperation), I\'ve also stepped through the init method and the variables are initialized correctly.[详细]

2023-03-23 11:53 分类：问答
How to remove/cancel NSInvocationOperation from NSOperationQueue?

Both of the following questions are being asked in context to maintain NSOperationQueue and NSInvocationOperation.[详细]

2023-03-23 10:39 分类：问答