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2014/10/15 ¤U¤È 10:14:40
iphone Programming Glossary: suspectCore Data vs Sqlite and performance http://stackoverflow.com/questions/1045238/core-data-vs-sqlite-and-performance on performance differences between an old sqlite application which has been converted to Core Data in the 3.0 SDK. I suspect that under the hood Core Data is just using sqlite anyways and that it add's a bit of overhead for the cost of convenience..
Selective Autorotation within a UINavigationController and UITabBarController http://stackoverflow.com/questions/1196758/selective-autorotation-within-a-uinavigationcontroller-and-uitabbarcontroller frame. I wanted to avoid the UIView but this was the only way I could get self.view to be assigned to something. I suspect casting a UIScrollView to UIView in viewDidLoad is not advisable. So now we have a nav bar and a scroll view. I've set it..
What's the trick to pass an event to the next responder in the responder chain? http://stackoverflow.com/questions/1207287/whats-the-trick-to-pass-an-event-to-the-next-responder-in-the-responder-chain method should work. This leads me to think that your view's nextResponder is not actually the ViewController as you suspect. I would add a quick NSLog in your forwarding code to check what your nextResponder really points to if numTaps 2 NSLog..
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 get error 0x8badf00d in iPhone app and is not the usual suspect I have a random crash in my app in launching. I'm pretty sure is not the launching time as explained in http stackoverflow.com..
What does the Tiler Utilization statistic mean in the iPhone OpenGL ES instrument? http://stackoverflow.com/questions/1287811/what-does-the-tiler-utilization-statistic-mean-in-the-iphone-opengl-es-instrumen precision aren ™t covering the range you need. These sorts of techniques might require additional draw calls but I suspect the improvement in vertex throughput will outweigh the extra per draw call CPU overhead. Note that it ™s generally beneficial..
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone takes two NSString instances one being the message to encrypt and the other being a 'passcode' to encrypt it with I suspect I'd have to generate the encryption key with the passcode in a way that can be reversed if the passcode is supplied with..
How do I tell if my iPhone app is running when a Push Notification is received? http://stackoverflow.com/questions/1998196/how-do-i-tell-if-my-iphone-app-is-running-when-a-push-notification-is-received to execute depending on whether the app is already launched or not. I'm new to iPhone development and while I suspect UIApplication or my project's AppDelegate class has the solution I haven't found a good answer. Is there an easy way to..
http://stackoverflow.com/questions/2393868/how-do-i-get-the-navigation-bar-in-a-uinavigationcontroller-to-update-its-positi frame Things will also be okay if you are willing to turn off the navigation bar as well although I suspect that is not what you wanted UIApplication sharedApplication .statusBarHidden YES self.navigationController.navigationBarHidden..
Can iPad/iPhone Touch Points be Wrong Due to Calibration? http://stackoverflow.com/questions/2733868/can-ipad-iphone-touch-points-be-wrong-due-to-calibration from 6 to 1017 not 0 to 1023 as I would expect. The fact that it seems to work properly on the simulator leads me to suspect that real devices' touchscreens are not perfectly calibrated and mine is simply reporting Y values that are six pixels off...
Android-iPhone single codebase cross development http://stackoverflow.com/questions/3045477/android-iphone-single-codebase-cross-development on current answers the best cross platform development tool for iOS and Android seems to be Titanium appcelerator . I suspect that this topic will evolve overtime so feel free to contribute with new information and comments. Thank you iphone android..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received did you deal with it iphone objective c ios xcode cocoa touch share improve this question From your description I suspect the most likely explanation is that you have some error in your memory management. You said you've been working on iPhone..
problem with “this class is not key value coding-compliant” http://stackoverflow.com/questions/3760803/problem-with-this-class-is-not-key-value-coding-compliant UILabel to the actionText outlet of the Alert Cell and not the File's owner which is what's being done at present I suspect this is what you want. With that in mind file's owner can become an NSObject again. Original answer kept below as the file's..
My custom UI elements are not being updated while UIScrollView is scrolled http://stackoverflow.com/questions/4109898/my-custom-ui-elements-are-not-being-updated-while-uiscrollview-is-scrolled NSLogs keep coming even while scrolling. But my problem is that my spinning circle is still stopping on scrolling I suspect redrawing is halted until the next iteration of the main thread's run loop . So even if its angle is changed all the time..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events usage id393282873 mt 8 It runs in the background and keeps track of the count of Cellular WiFi data you've used. I suspect that the developer is registering his app as tracking location changes but the location services icon isn't visible while..
Cannot view Quicktime movies over HTTPS in Safari or UIWebView http://stackoverflow.com/questions/4660189/cannot-view-quicktime-movies-over-https-in-safari-or-uiwebview and tablets and RIM PowerBook via Flash had no problems playing the video without the Intermediate Certificate. I suspect it is a case of iOS being overzealous with its security a Feature if not a bug I'm not a PKI expert so I cannot tell you..
layer.renderInContext doesn't take layer.mask into account? http://stackoverflow.com/questions/4896296/layer-renderincontext-doesnt-take-layer-mask-into-account question The documentation for renderInContext that among other properties mask is not supported on Mac OS X 10.5. I suspect it is the same on iOS even if the documentation doesn't say so. To solve your problem you'll probably have to draw the layers..
How to use presentModalViewController to create a transparent view http://stackoverflow.com/questions/587681/how-to-use-presentmodalviewcontroller-to-create-a-transparent-view file it is created from but once it fills the screen it goes opaque. Is there anyway of keeping the view transparent I suspect that the view it is being placed over is not being rendered rather then that the modal view is becoming opaque. iphone..
Rotating the iPhone, and instantiating a new UIViewController? http://stackoverflow.com/questions/730799/rotating-the-iphone-and-instantiating-a-new-uiviewcontroller willRotateToInterfaceOrientation and didRotateFromInterfaceOrientation but none of this methods gets called . I suspect this is because the current controller is pushed in by a navigation controller which is itself handled by a tabBarController...
Ajax https call in ios using PhoneGap not working? http://stackoverflow.com/questions/9276643/ajax-https-call-in-ios-using-phonegap-not-working cordova cross platform share improve this question You have not stated the kind of certificate on the server. I suspect that it is self signed. I have also had the same problem. Doing Ajax calls to a server with self signed certificated is..
iPhone assembly, compilation error with LDR parameters http://stackoverflow.com/questions/9735169/iphone-assembly-compilation-error-with-ldr-parameters you wont execute through to encourage the assembler to use it to place these kinds of constants. b somewhere .pool I suspect from the error message something else may be going. post a reply or edit or question if that is the case. share improve..
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