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2014/10/15 ¤U¤È 10:04:38
iphone Programming Glossary: blockingiPhone TCP/IP Socket Server/Client Program http://stackoverflow.com/questions/1437993/iphone-tcp-ip-socket-server-client-program
Background threads consuming 100% CPU on iPhone 3GS causes latent main thread http://stackoverflow.com/questions/1940903/background-threads-consuming-100-cpu-on-iphone-3gs-causes-latent-main-thread jittery. First of all my software was calling a library which had mutual exclusion semaphores. These locks were blocking the main thread for short periods of time causing the scroll to skip slightly. In addition I found some expensive NSFileManager..
Add UIView Above All Other Views, Including StatusBar http://stackoverflow.com/questions/2666792/add-uiview-above-all-other-views-including-statusbar show . Does anyone have any pointers towards the best way tackle this problem that gives me full control Oh and I know blocking input is not great but I do ensure it's for a short period of time and it has the benefit of making it clear to the user..
Does NSURLConnection Block the Main/UI Thread http://stackoverflow.com/questions/3234054/does-nsurlconnection-block-the-main-ui-thread Personally I think that NSURLConnection is getting thrown into the event loop where the UITableView scrolling is blocking it. iphone objective c ipad nsurlconnection share improve this question Read NSDefaultRunLoopMode vs NSRunLoopCommonModes..
Does NSURLConnection block the main thread? http://stackoverflow.com/questions/3364021/does-nsurlconnection-block-the-main-thread because my processing code is taking a long time to handle the response or if it's because NSURLConnection is blocking the main thread. Can anyone confirm that NSURLConnection will create the connection and wait for data on a separate thread..
Accessing the iPhone's Call log with the iPhone SDK http://stackoverflow.com/questions/341622/accessing-the-iphones-call-log-with-the-iphone-sdk Uncomment if you don't want to log sub folders dirnum skipDescendents NSLog bar I have a suspicion that Apple is blocking access to the directory as part of its sandboxing strategy however I have no proof at this stage. However I can access the..
iOS: How to make a secure HTTPS connection to pass credentials? http://stackoverflow.com/questions/3509082/ios-how-to-make-a-secure-https-connection-to-pass-credentials code I put earlier is using a synchronous request so you'd want to replace it with an asynchronous one to avoid blocking the UI once you'd proved it was working. There's a JSON framework for the iphone here http code.google.com p json framework..
Why is UIView exclusiveTouch property not blocking? http://stackoverflow.com/questions/3946147/why-is-uiview-exclusivetouch-property-not-blocking is UIView exclusiveTouch property not blocking I am launching a simple UIView with a textField let's call it orderSetNameView upon a button tap. I wish to make this view..
http://stackoverflow.com/questions/4038726/async-image-downloader cell it's updated when I click on it There is a better way to implement this functionality actually the need are non blocking caching system iphone image user interface asynchronous download share improve this question Cesar For async image..
UITapGestureRecognizer on a UIButton http://stackoverflow.com/questions/4105293/uitapgesturerecognizer-on-a-uibutton has an IBAction as well as a UITapGestureRecognizer to detect double taps. At the moment it looks like the IBAction is blocking the recognizer. Is there a way to stop this or do UITapGestureRecognizer even work on buttons If so wouldn't it be better..
What's the easiest way to get the current location of an iPhone? http://stackoverflow.com/questions/459355/whats-the-easiest-way-to-get-the-current-location-of-an-iphone wanted to block the main thread you could do something like this while LocationManager sharedInstance locationKnown NO blocking here do stuff here dont forget to have some kind of timeout to get out of this blocked state However as it has been already.. dont forget to have some kind of timeout to get out of this blocked state However as it has been already pointed out blocking the main thread is probably not a good idea but this can be a good jumping off point as you are building something. You..
iOS: how to perform an HTTP POST request? http://stackoverflow.com/questions/5537297/ios-how-to-perform-an-http-post-request variable that you can process. IMPORTANT Remember to kick off the synchronous request in a separate thread to avoid blocking the UI. Asynchronously void start Don't forget to set your NSURLConnection's delegate to handle the connection as follows..
How can I improve the performance of my custom OpenGL ES 2.0 depth texture generation? http://stackoverflow.com/questions/6051237/how-can-i-improve-the-performance-of-my-custom-opengl-es-2-0-depth-texture-gener impostors based on per pixel depth values. This is depicted in my crude illustration below In this example the opaque blocking squares for the top two impostors do not prevent any of the fragments from those visible objects from being rendered yet.. by using inset and circumscribed octagons which should cover ~17 fewer pixels when drawn and be more efficient with blocking fragments performance was actually worse than when using simple squares for this. Tiler utilization was still less than..
How to properly call SQLite functions from background thread on iPhone? http://stackoverflow.com/questions/745565/how-to-properly-call-sqlite-functions-from-background-thread-on-iphone from each thread and setting a timeout using sqlite3_busy_timeout . Sqlite will then handle contention for you blocking for a short time in one thread if the other thread is writing data while still allowing simultaneous reads. share improve..
Core Data and threads / Grand Central Dispatch http://stackoverflow.com/questions/7540801/core-data-and-threads-grand-central-dispatch How can I transform this to work on the background and then when done saving save the data and update the UI without blocking the UI while saving the 40.000 objects iphone ios multithreading core data grand central dispatch share improve this..
Transfer files between 2 iPhones over wifi? http://stackoverflow.com/questions/8637598/transfer-files-between-2-iphones-over-wifi completions write completions progress and disconnections all result in a call to your delegate method. Queued non blocking reads and writes with optional timeouts. You tell it what to read or write and it handles everything for you. Queueing buffering..
Forwarding UIGesture to views behind http://stackoverflow.com/questions/9209998/forwarding-uigesture-to-views-behind views. I am having a view structure like this A superView SubView A SubView B exactly on top of A completely blocking A . Basically I have a superView and sibling subviews A and B. B has the same frame as A hence hiding A completely. Now..
UIImage to be displayed progressively from server http://stackoverflow.com/questions/9478262/uiimage-to-be-displayed-progressively-from-server main thread would only display the updates as they come. If you are receiving too frequent updates and they are still blocking the interface you could a. Make the image requests on a different thread as well. b. Reduce the frequency of the UIImageView's..
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