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2014/10/15 ¤U¤È 10:12:17
iphone Programming Glossary: occasionallyBest Practices for Error Logging and/or reporting for iPhone http://stackoverflow.com/questions/1667994/best-practices-for-error-logging-and-or-reporting-for-iphone a custom made logger that catches fatal errors and appends a trace to a file and displays a message to the user. I can occasionally glance to see if the file changed which means some user encountered an error and I can dig in to see what they encountered...
http://stackoverflow.com/questions/205431/rounded-corners-on-uiimage using with rounded corners a la the contact images in the Contacts app. I've got code that generally work but it occasionally crashes inside of the UIImage drawing routines with an EXEC_BAD_ACCESS KERN_INVALID_ADDRESS . I thought this might be related..
NSURLConnection still calls delegate AFTER cancel method has been called http://stackoverflow.com/questions/2503652/nsurlconnection-still-calls-delegate-after-cancel-method-has-been-called connectionWithRequest let it load a little then call connection cancel most of the time that works fine. However occasionally even after I call connection cancel the connection's delegate still gets called which crashes the app . Googling around..
Suppressing deprecated warnings in Xcode http://stackoverflow.com/questions/2622017/suppressing-deprecated-warnings-in-xcode around it's handy to be able to build for multiple SDKs and platforms. However bouncing from 3.2 to 3.0 and even occasionally 2.x I frequently get deprecated warnings involving methods that have changed or been superseded warning 'UIKeyboardBoundsUserInfoKey'..
Core Data: Error, “Can't Merge Models With Two Different Entities Named 'foo' ” http://stackoverflow.com/questions/3205783/core-data-error-cant-merge-models-with-two-different-entities-named-foo Named 'foo' &rdquo I'm working on an iPhone app that uses Core Data. Most times I just test in the simulator but occasionally pump the app down to the iPad to make sure. I've recently changed my Core Data model and now when I send the app to the..
Must drawInRect: for a separate context be executed on the main thread? http://stackoverflow.com/questions/3207536/must-drawinrect-for-a-separate-context-be-executed-on-the-main-thread looks like this UIImage small bigger scaledImageWithWidth 24.f andHeight 32.f This all works most of the time but occasionally I get an EXC_BAD_ACCESS . Backtrace #0 0x330d678c in ripc_RenderImage #1 0x330dd5aa in ripc_DrawImage #2 0x300e3276 in CGContextDelegateDrawImage.. invalid context Error CGContextSetFillColorWithColor invalid context My gut feeling is that I occasionally end up trying to drawInRect while the OS is also trying to draw something which results occasionally in a crash. I always.. feeling is that I occasionally end up trying to drawInRect while the OS is also trying to draw something which results occasionally in a crash. I always presumed that as long as you don't draw on the actual screen this is acceptable is this not the case..
iAd error “Ad inventory unavailable” http://stackoverflow.com/questions/3720459/iad-error-ad-inventory-unavailable Network sends test advertisements to your application. To assist you in validating your implementation the iAd Network occasionally returns errors to test your error handling code. You can also test your error handling support by turning your device ™s..
iPhone SDK 4 AVFoundation - How to use captureStillImageAsynchronouslyFromConnection correctly? http://stackoverflow.com/questions/3847140/iphone-sdk-4-avfoundation-how-to-use-capturestillimageasynchronouslyfromconnec This takes a while and the video preview layer stalls and looks terrible it re adjusts exposure levels . This also occasionally deadlocked in the beta after calling stopRunning session.running was still YES . You might be able to disable the AVCaptureConnection..
How to get text from nth line of UILabel? http://stackoverflow.com/questions/4421267/how-to-get-text-from-nth-line-of-uilabel the text from a given line in a UILabel My UILabel is correctly displaying my text and laying it out beautifully but occasionally I need to be able to just show certain lines but obviously I need to know how UILabel has positioned everything to do this...
Mysterious “progressive slowing” problem in run loop / drawRect http://stackoverflow.com/questions/4786754/mysterious-progressive-slowing-problem-in-run-loop-drawrect result like the following It is exhibiting the normal bizarre behavior the time increases each go around. However occasionally the time will drop to incredibly quick for a couple rounds and then return. Weird huh Further if you are running on your..
Invalid iPhone Application Binary http://stackoverflow.com/questions/47941/invalid-iphone-application-binary . iphone ios app store code signing itunesconnect share improve this question It's been my experience that Xcode occasionally gets confused about which signing certificate to use. I got into the habit of quitting and restarting Xcode after any change..
Facebook API - How to cancel Graph Request http://stackoverflow.com/questions/4958912/facebook-api-how-to-cancel-graph-request API How to cancel Graph Request I occasionally need to cancel a facebook graph request but there seems to be no cancel or similar method in their API to do so. At the..
Question about character of NSString invalid in URL on iPhone http://stackoverflow.com/questions/695911/question-about-character-of-nsstring-invalid-in-url-on-iphone It looks like I have to replace them all. stringByReplacingOccurrencesOfString Convert 'space' to ' 20' is the one I occasionally find. My question is which of the other characters in NSString cannot be straightly used by url on iPhone iphone url nsstring..
how to display UIActivityIndicatorView BEFORE rotation begins http://stackoverflow.com/questions/7041261/how-to-display-uiactivityindicatorview-before-rotation-begins Most of the time in my app this work is quickly completed and there would be no need for an activity indicator but occasionally first rotation i.e. before I have cached data when working with a large file there can be a noticeable delay. Rather than..
Crash when adding persistent store (iCloud enabled) in app delegate http://stackoverflow.com/questions/8021753/crash-when-adding-persistent-store-icloud-enabled-in-app-delegate postNotification refreshNotification do any additional work here Initial problem Using iCloud on iOS 5.0.1 I'm occasionally getting errors pertaining to the persistent store. I'm going to continue updating this with new information as I find it..
http://stackoverflow.com/questions/9569466/nscoding-vs-core-data based on a string label a bit like a dictionary but you can use only strings as keys. This approach is good if you occasionally have to persist some objects of different classes. However if you have many objects of the same class you'll better go for..
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