2014/10/15 下午 10:13:41

iphone Programming Glossary: secondary

Difference between NSOperation and NSInvocationOperation?

http://stackoverflow.com/questions/12908886/difference-between-nsoperation-and-nsinvocationoperation

instance of the NSOperationQueue class . An operation queue executes its operations either directly by running them on secondary threads or indirectly using the libdispatch library also known as Grand Central Dispatch 3.Which one is the best I think..

Iphone Application:-My Application Crash

http://stackoverflow.com/questions/13969820/iphone-application-my-application-crash

web lock from a thread other than the main thread or the web thread. This may be a result of calling to UIKit from a secondary thread. Crashing now... iphone objective c uikit custom cell share improve this question This is because you are doing..

iPhone application name on iTunes

http://stackoverflow.com/questions/1979689/iphone-application-name-on-itunes

normally have a genre. Apps are separated into Categories of which you should have been able to pick 2 primary and secondary during your submission through iTunes Connect. You should be able to update these category choices by logging into iTunes..

IPhone SDK - Leaking Memory with performSelectorInBackground

http://stackoverflow.com/questions/2441856/iphone-sdk-leaking-memory-with-performselectorinbackground

For more details see Autorelease Pools section in memory management guide. Relevant quote from there If you spawn a secondary thread you must create your own autorelease pool as soon as the thread begins executing otherwise you will leak objects...

Warning: UIKit should not be called from a secondary thread

http://stackoverflow.com/questions/3201761/warning-uikit-should-not-be-called-from-a-secondary-thread

UIKit should not be called from a secondary thread In my iPhone app I need to connect to a web server as this can take some time I'm using threads like this NSThread.. Obtaining the web lock from a thread other than the main thread or the web thread. UIKit should not be called from a secondary thread. How can I use the textField without getting this error iphone multithreading share improve this question It..

Possible to mirror iPhone/iPad screen on a monitor without jailbreaking?

http://stackoverflow.com/questions/3289147/possible-to-mirror-iphone-ipad-screen-on-a-monitor-without-jailbreaking

create a UIWindow associate it with the UIScreen and place content there that you would like to have displayed on the secondary monitor. I show how to do this in the video for the iPad session of my course on iTunes U and provide some code for this..

Could not load nib in bundle on iPhone device

http://stackoverflow.com/questions/4155292/could-not-load-nib-in-bundle-on-iphone-device

application is correctly uploaded to the device and it works or better the main view is shown but if I try to open a secondary view application crash. On the iPhone log I installed iPhone configuration utility to see the console is the only way to..

Create a UIImage by rendering UIWebView on a background thread - iPhone

http://stackoverflow.com/questions/4660999/create-a-uiimage-by-rendering-uiwebview-on-a-background-thread-iphone

UIKit is not fully thread safe. Drawing to a graphics context is this was added in iOS 4 but not creating UIViews on a secondary thread. Are you creating your UIWebViews off the main thread Do you perhaps have some code to share I would suspect your.. share I would suspect your issues are being caused by the fact you're trying to perform operations to a UIWebView on a secondary thread. The drawing operation to render the view's contents as an image can happen off the main thread but creating the..

What is a runloop?

http://stackoverflow.com/questions/4947556/what-is-a-runloop

is a runloop After reading the documentation for NSRunLoop I did not understand very much. I am spawning a secondary thread that has a NSTimer in it that launch every 1sec. Which update a label on the screen with the performSelectorOnMainThread....

Creating a JSON Store For iPhone

http://stackoverflow.com/questions/5237943/creating-a-json-store-for-iphone

is to create the runtime model layer of Model View Controller design patterned apps. Persistence is actually a secondary and even optional function of Core Data. The major modeling persistence concerns are the size of the data and the complexity..

Trouble with loading a separate XIB for iPad or iPhone

http://stackoverflow.com/questions/5306346/trouble-with-loading-a-separate-xib-for-ipad-or-iphone

Its easy enough to convert the Xcode project to Universal and have separate Main view interfaces. My problem is the secondary view and getting it to have separate interfaces for both iPad and iPhone. Please offer any help you can give as I have been..

When an iOS application goes to the background, are lengthy tasks paused?

http://stackoverflow.com/questions/6650717/when-an-ios-application-goes-to-the-background-are-lengthy-tasks-paused

method to request background execution time and then start any long running tasks in a secondary thread. Regardless of whether you start any background tasks the applicationDidEnterBackground method must still exit within..

Mobile development - Native VS Cross Platform VS JavaScript [closed]

http://stackoverflow.com/questions/8865277/mobile-development-native-vs-cross-platform-vs-javascript

available in order to achieve the best quality cost effective solution. We will be aiming primarily at iOS and Android secondary for Windows Mobile and BlackBerry. Candidates After conducting some background research I found the following possible candidates..

UIWebView in multithread ViewController

http://stackoverflow.com/questions/945082/uiwebview-in-multithread-viewcontroller

web lock from a thread other than the main thread or the web thread. This may be a result of calling to UIKit from a secondary thread. . Any help would be really appreciated. void viewDidAppear BOOL animated super viewWillAppear animated NSInvocationOperation..

Tried to obtain the web lock from a thread other than the main thread or the web thread. Crashing now

http://stackoverflow.com/questions/9679754/tried-to-obtain-the-web-lock-from-a-thread-other-than-the-main-thread-or-the-web

web lock from a thread other than the main thread or the web thread. This may be a result of calling to UIKit from a secondary thread. Crashing now... I'm getting this error. Today I've discovered this error for the first time the password dialog.. it iphone objective c ios cocoa touch share improve this question This may be a result of calling to UIKit from a secondary thread. Crashing now... ...and as far as I can see that's just what you're doing. You're calling alertProgress dismissWithClickedButtonIndex..

How to modify the priority of a custom GCD queue?

http://stackoverflow.com/questions/9965018/how-to-modify-the-priority-of-a-custom-gcd-queue

grand central dispatch share improve this question If you're doing UIKit stuff in your block that's running on the secondary queue dispatch the UI updates back to the main queue from within the secondary queue via dispatch_async q ^ void self performHeavyCalculationAndUpdateUI.. in your block that's running on the secondary queue dispatch the UI updates back to the main queue from within the secondary queue via dispatch_async q ^ void self performHeavyCalculationAndUpdateUI dispatch_async dispatch_get_main_queue ^ do my..