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2014/10/15 ¤U¤È 10:04:06
iphone Programming Glossary: asynchronouslyhttp://stackoverflow.com/questions/1083017/iphone-socket-program out the Asyncsocket project It makes socket programming really easy no messing with threads yourself and things happen asynchronously without much fuss. I think there is a sample project with a client server to get you started. share improve this answer..
NSManagedObjectContext performBlockAndWait: doesn't execute on background thread? http://stackoverflow.com/questions/11831946/nsmanagedobjectcontext-performblockandwait-doesnt-execute-on-background-thread moc performBlock ^ Foo moc performBlock ^ Bar will place two blocks on the queue for moc. They will always execute asynchronously. Some unknown thread will pull blocks off of the queue and execute them. In addition those blocks are wrapped within their..
I get error 0x8badf00d in iPhone app, and is not the usual suspect http://stackoverflow.com/questions/1282491/i-get-error-0x8badf00d-in-iphone-app-and-is-not-the-usual-suspect You'll want to check out that any network access or time consuming operations in those methods are performed asynchronously so that the method can return quickly. That's the only thing I know of that would cause watchdog crashes on startup. As..
Verify receipt for in App purchase http://stackoverflow.com/questions/1298998/verify-receipt-for-in-app-purchase welcome on this part There may also be some balking at making this a synchronous request. You may want to post it asynchronously and put up the ol' UIActivityIndicatorView or some other HUD. Case in point That initWithData encoding call takes a loooooong..
How to save the content in UIWebView for faster loading on next launch? http://stackoverflow.com/questions/1343515/how-to-save-the-content-in-uiwebview-for-faster-loading-on-next-launch NSCachedURLResponse alloc initWithResponse response data content else trick here if no cache populate it asynchronously and return nil NSThread detachNewThreadSelector @selector populateCacheFor toTarget self withObject request else NSLog..
Delayed UIImageView Rendering in UITableView http://stackoverflow.com/questions/1826913/delayed-uiimageview-rendering-in-uitableview I've got a UITableView with custom UITableViewCell s that each contain a UIImageView whose images are being downloaded asynchronously via an NSURLConnection . All pretty standard stuff... The issue is when the table scrolls the new images are downloaded..
Does NSURLConnection take advantage of NSURLCache? http://stackoverflow.com/questions/1870004/does-nsurlconnection-take-advantage-of-nsurlcache instead of making a new one Using NSURLConnection sendSynchronousRequest returningResponse error instead of loading asynchronously iphone nsurlconnection nsurlrequest share improve this question NOTE iOS 5 onwards provide a sharedURLCache that has..
How to use UIProgressView while loading of a UIWebView? http://stackoverflow.com/questions/1900151/how-to-use-uiprogressview-while-loading-of-a-uiwebview UIWebView doesn't give you any progress information in the normal mode. What you need to do is first fetch your data asynchronously using an NSURLConnection. When the NSURLConnection delegate method connection didReceiveResponse you're going to take the..
NSURLConnection NSURLRequest proxy for asynchronous web service calls http://stackoverflow.com/questions/1959243/nsurlconnection-nsurlrequest-proxy-for-asynchronous-web-service-calls like that For a little background info I attempted this and got it to work however it doesn't appear to be executing asynchronously. I created a Proxy.h m file which has instance methods for the different web service calls and also contains the NSURLConnection.. directly in the view controller then the spinner spins. So it makes me think that my implementation isn't executing asynchronously. Any thoughts ideas here iphone asynchronous uiviewcontroller nsurlconnection nsurlrequest share improve this question..
How to unit test asynchronous APIs? http://stackoverflow.com/questions/2162213/how-to-unit-test-asynchronous-apis methods on all my objects absolutely fine. However most of the complex APIs I actually want to test return results asynchronously via calling a method on a delegate for example a call to a file download and update system will return immediately and then..
What is a “delegate” in Objective C's iPhone development? [duplicate] http://stackoverflow.com/questions/2534094/what-is-a-delegate-in-objective-cs-iphone-development to send messages to another object when an event happens. For example if you're downloading data from a web site asynchronously using the NSURLConnection class . NSURLConnection has three common delegates void connection NSURLConnection connection..
iPhone SDK: How do you download video files to the Document Directory and then play them? http://stackoverflow.com/questions/2572529/iphone-sdk-how-do-you-download-video-files-to-the-document-directory-and-then-p movieUrl data writeToURL movieUrl atomically YES But it is better for app responsiveness etc to download asynchronously NSURLRequest theRequest NSURLRequest requestWithURL movieUrl cachePolicy NSURLRequestReloadIgnoringLocalCacheData timeoutInterval..
Passing array between view controllers? http://stackoverflow.com/questions/4478511/passing-array-between-view-controllers then you would use the a synchronous variant of NSURLConnection because the operation itself is already executed asynchronously The nice thing would be then if your parsing of the JSON string takes longer also this is performed in the background and..
Video Encoding using AVAssetWriter - CRASHES http://stackoverflow.com/questions/8191840/video-encoding-using-avassetwriter-crashes
how to send Asynchronous URL Request? http://stackoverflow.com/questions/8515667/how-to-send-asynchronous-url-request send Asynchronous URL Request i will like to know how do i get a return value 1 or 0 only.... back from a URL request asynchronously. currently i do it this way NSString UTCString NSString stringWithFormat @ http web.blah.net question CheckQuestions utc..
NSURLConnection is run many times http://stackoverflow.com/questions/886810/nsurlconnection-is-run-many-times is run many times I connect asynchronously with server each 5 seconds. The URL is the same but POST body is changed each time. Now I create NSURL NSURLRequest and..
Why does Apple recommend to use dispatch_once for implementing the singleton pattern under ARC? http://stackoverflow.com/questions/9119042/why-does-apple-recommend-to-use-dispatch-once-for-implementing-the-singleton-pat init Do any other initialisation stuff here return sharedInstance Isn't it a bad idea to instantiate the singleton asynchronously in the background I mean what happens if I request that shared instance and rely on it immediately but dispatch_once takes.. ref counting share improve this question dispatch_once is absolutely synchronous. Not all GCD methods do things asynchronously case in point dispatch_sync is synchronous . The use of dispatch_once replaces the following idiom MyClass sharedInstance..
http://stackoverflow.com/questions/9763979/download-image-asynchronously image asynchronously I need to download an image from the web and display it in an ImageView . Presently I am using SDWebImage It is an asynchronous..
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