nsoperationqueue
Significant lag when loading image using UIImage from URL asynchronously
I am trying to write an iPad app that loads an image from a URL. I am using the following image loading code:[详细]
2023-01-28 02:08 分类：问答Best way to design and kick off lengthy, dependent asynchronous process(es) on iPhone?
I am working on a design of an iPhone app.I have a pretty intense process to kick off, defined at a high level as follows:[详细]
2023-01-27 09:12 分类：问答NSOperationQueue: Can't add UIBarButtonItem in the Toolbar on Main Thread
In my UIViewController I want to add a UIBarButtonItem in the Toolbar, but the new Button doesn\'t appear. What am I doing wrong?[详细]
2023-01-25 03:30 分类：问答Problem about using NSOperationQueue and NSOperation in iphone OS
Im using NSOperation to do a task: download some files with NSURLConnection and then m开发者_如何学Cerge files that spend much cpu and memory[详细]
2023-01-23 19:11 分类：问答Crashing with ASIHTTPRequest and NSOperationQueue when cancelling operations
I\'m having a really hard time when trying to cancel requests in an NSOperationQueue. Before deallocating my \'engine\' object, I call a cancelOperations method to cancel everything in the queue, so[详细]
2023-01-22 01:57 分类：问答NSURLConnection Problem with NSOperationqueu
Hi I am trying to create a NSOperaion Queue to download a bunch of PDF files. But it doesnt work. The delegate methods dont get called for NSURLConnection since i put them in NSOperation queue.... 开发[详细]
2023-01-19 03:47 分类：问答NSOperation(s) leaks only on iOS 3 device
I have some NSOperations subclasses that handle CoreData imports. I believe i\'ve ticked most of the non-main thread issues[详细]
2023-01-18 18:56 分类：问答Pause NSOperation
I have NSOperationQueue with some NSOperations in it (NSInvocationOperation开发者_C百科s, in particular). This operations do some calculations and change states of UI elements accordingly (of course,[详细]
2023-01-15 20:59 分类：问答Why is my application terminating in the middle of unit tests?
The Problem I run my unit tests. At one point, I wait using: [[NSRunLoop currentRunLoop] runUntilDate:[NSDate dateWithTimeInt开发者_运维技巧ervalSinceNow:1]];[详细]
2023-01-14 12:45 分类：问答How do I wait until an NSOperationQueue has finished in a Unit Test?
The Problem I have an NSOperationQueue called logEntryGeneratorQueue I want to wait until all operations on the queue have completed[详细]
2023-01-13 20:38 分类：问答
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