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2014/10/15 ¤U¤È 10:09:18
iphone Programming Glossary: forumsChecking memory allocation in Instruments http://stackoverflow.com/questions/1061235/checking-memory-allocation-in-instruments
gcc-4.2 failed with exit code 1 iphone http://stackoverflow.com/questions/1248520/gcc-4-2-failed-with-exit-code-1-iphone 4.2 failed with exit code 1 iphone I've seen this error with different variations on discussion forums but being a non programmer I'm not sure how to progress this. Basically I have code which I found to help me with changing..
How do you implement a Highpass filter for the IPhone accelerometer? http://stackoverflow.com/questions/142944/how-do-you-implement-a-highpass-filter-for-the-iphone-accelerometer code was Or better yet post the algorithm Thanks iphone share improve this question From the idevkit.com forums #define kFilteringFactor 0.1 static UIAccelerationValue rollingX 0 rollingY 0 rollingZ 0 void accelerometer UIAccelerometer..
UIViewController - can't become first responder http://stackoverflow.com/questions/1469876/uiviewcontroller-cant-become-first-responder Update As I suspected I assumed wrong about UIViewController firstResponder usage. This thread in the apple dev forums talks specifically about getting shaking to work. Original Answer call becomeFirstResponder on the UI element that you want..
Html5 cache manifest in a UIWebView? http://stackoverflow.com/questions/1540240/html5-cache-manifest-in-a-uiwebview question I got this to work using a .manifest file in a UIWebView. I discovered the trick on the Apple developer forums. you must deliver the proper mime type for the manifest file it must be of type text cache manifest if it is anything else..
AssertMacros: queueEntry error -ios http://stackoverflow.com/questions/18178237/assertmacros-queueentry-error-ios
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library button and add ' ObjC'. ' all_load' and ' force_load' are no longer needed. Details I found some answers on various forums blogs and apple docs. Now I try make short summary of my searches and experiments. Problem was caused by citation from apple..
How to accommodate for the iPhone 4 screen resolution? http://stackoverflow.com/questions/2992360/how-to-accommodate-for-the-iphone-4-screen-resolution
Difference between [UIImage imageNamed…] and [UIImage imageWithData…]? http://stackoverflow.com/questions/316236/difference-between-uiimage-imagenamed-and-uiimage-imagewithdata people saying that the image is cached and that this method uses more memory Since I don't trust people on most other forums I thought I'd ask the question here is there any practical difference and if so which one is 'better' I have tried profiling..
iOS SDK broken ever after reinstall UIKit and Foundation frameworks not found http://stackoverflow.com/questions/4008800/ios-sdk-broken-ever-after-reinstall-uikit-and-foundation-frameworks-not-found Thank you for any help. iphone objective c ios ios4 iad share improve this question On the Apple developer forums I managed to get help on pin pointing the issue. It turns out somehow a build option was set to something odd. It was the..
send RSA public key to iphone and use it to encrypt http://stackoverflow.com/questions/4211484/send-rsa-public-key-to-iphone-and-use-it-to-encrypt key will be nearly impossible to decrypt . I cobbled this together from Apple's docs this site the Apple developer forums and probably elsewhere. So thanks to everyone I cribbed code from This code assumes several things You've already generated..
Architectural and design question about uploading photos from iPhone app and S3 http://stackoverflow.com/questions/4481311/architectural-and-design-question-about-uploading-photos-from-iphone-app-and-s3 photo at all. iphone ios mobile ios4 amazon s3 share improve this question I've discussed this issue on the AWS forums before. As I say there the proper solution for accessing AWS from a mobile device is to use the AWS Identity and Access..
Creating UIImage from raw RGBA data http://stackoverflow.com/questions/4545237/creating-uiimage-from-raw-rgba-data my initil height and width were 240 and 240 . I have been trying to get this sorted out and have checked many related forums e.g. link text on how to go about it but with little success. iphone image processing uiimage share improve this question..
how to detect (iphone sdk) if a video file was recorded in portrait orientation, or landscape http://stackoverflow.com/questions/4627940/how-to-detect-iphone-sdk-if-a-video-file-was-recorded-in-portrait-orientation way to do this iphone sdk video processing video encoding share improve this question Somebody on apple dev forums suggested getting the transform of the video track this does the job. You can see from the logs below that for these orientations..
iPhone Development on Hackintosh http://stackoverflow.com/questions/644225/iphone-development-on-hackintosh really awkward. Your best bet is to take a note of the hardware in your PC and do some research on the various OSX86 forums. Assuming you get everything working the only future concern is software updates. iPhone SDKs generally require the very..
Documented process for using facebook connect for the iPhone to upload photos http://stackoverflow.com/questions/750328/documented-process-for-using-facebook-connect-for-the-iphone-to-upload-photos for using facebook connect for the iPhone to upload photos After looking I did come accross this post on the facebook forums link They are feeding the facebook object a UIImage. That seems logical but where is this documented The API documentation..
http://stackoverflow.com/questions/7798891/detect-silent-mode-in-ios5 on my iPad or iPhone. Is this a known issue I haven't been able to find any answers on stack overflow or Apple dev forums. Hope you can help... iphone ios ipad ios5 silent share improve this question We won't be able to detect the silent..
iPhone UIWebView local resources using Javascript and handling onorientationChange http://stackoverflow.com/questions/843820/iphone-uiwebview-local-resources-using-javascript-and-handling-onorientationchan Targets tree and expand the application then go to Copy Bundle Resources and drag the .js files into it The Apple dev forums has a posted solution UIWebView and JavaScript It appears that you are getting bit by the Xcode thinks that .js are things..
Iframe Content Not Rendering Under Scroll In iOs5 iPad/iPhone http://stackoverflow.com/questions/8912218/iframe-content-not-rendering-under-scroll-in-ios5-ipad-iphone 1185px width 100 overflow scroll webkit overflow scrolling touch iframe id myIframe src http http css tricks.com forums discussion 11946 scrolling iframe on ipad p1 iframe div The problem is that the off screen iframe content is not becoming..
http://stackoverflow.com/questions/9707883/gdb-vs-lldb-debuggers a quick intro for GDB users here http lldb.llvm.org tutorial.html However... You might want to take a trip over to the forums at developer.apple.com. There's a fair bit of rumbling about issues with LLDB at the moment in XCode 4.3.1 . One nasty issue..
http://stackoverflow.com/questions/10262733/ios-app-with-static-lib-crashes-only-on-launch-of-archive-build-loaded-ad-hoc-c simulate what they claim to be seeing which is App crashes on launch every time I found one report in the AAPL Dev Forums that sounded similar but he never got any explanation as to what was up. After he submitted an app with loads of logging..
PurgeIdleCellConnections causes application to freeze then crash [duplicate] http://stackoverflow.com/questions/11209725/purgeidlecellconnections-causes-application-to-freeze-then-crash
presentViewController not supporting orientation in iOS 6 http://stackoverflow.com/questions/12566780/presentviewcontroller-not-supporting-orientation-in-ios-6 doesn't query its top View Controller for orientations supported although an Apple engineer over on the Developer Forums did say so... it seems that it does not. Therefore you should add a category for UINavigationController this is the one..
http://stackoverflow.com/questions/1342674/motionbegan-not-working super motionEnded motion withEvent event There is a good post by Matt Drance of Apple in the iPhone Developer Forums requires registration as a developer . Update implementing in a subclass of UIView As discussed in the comments this also..
UIImageWriteToSavedPhotosAlbum save as PNG with transparency? http://stackoverflow.com/questions/1489250/uiimagewritetosavedphotosalbum-save-as-png-with-transparency graphics share improve this question This is a problem I have noticed before and reported on the Apple Developer Forums about a year ago. As far as I know it is still an open issue. If you have a moment please take the time to file a feature..
Converting Raw RSA Key value to SecKeyRef Object for Encryption http://stackoverflow.com/questions/1536894/converting-raw-rsa-key-value-to-seckeyref-object-for-encryption you'll have to get a base 64 decoder and apply it first. You might also want to read this post in the Apple Developer Forums. SecKeyRef addPeerPublicKey NSString peerName keyBits NSData publicKey OSStatus sanityCheck noErr SecKeyRef peerKeyRef NULL..
How do I find the size of my Core Data persistent store and the free space on the file system? http://stackoverflow.com/questions/1719888/how-do-i-find-the-size-of-my-core-data-persistent-store-and-the-free-space-on-th to do this iphone cocoa cocoa touch core data share improve this question I found this answer on the Apple Dev Forums to be useful for finding disk space available on the apps' home directory partition note there are currently two partitions..
http://stackoverflow.com/questions/2418337/rsa-encryption-on-iphone rsa keychain cryptoapi share improve this question You probably want to look at this thread on the Apple Developer Forums and also check out the CryptoExercise sample code. In short the recommendation is that you distribute your public key as..
UITableView issue when using separate delegate/dataSource http://stackoverflow.com/questions/254354/uitableview-issue-when-using-separate-delegate-datasource no longer functions properly Solution With some more troubleshooting and some assistance from the iPhone Developer Forums I've documented a solution The main UIViewController subclass of the project needs an outlet pointing to the UITableViewController.. it resolves the problem completely. Thanks to those who've helped and credit goes to BaldEagle on the iPhone Developer Forums for finding the solution. iphone objective c cocoa touch uitableview share improve this question I followed your steps..
Notification of changes to the iPhone's /Documents directory http://stackoverflow.com/questions/3181821/notification-of-changes-to-the-iphones-documents-directory in advance. iphone notifications file sharing share improve this question This thread on the Apple Developer Forums may be of interest in which it is suggested that you run a kqueue in its own thread tracking the app's Documents folder...
Detect retina screen/iPhone 4 in iPhone SDK http://stackoverflow.com/questions/3272752/detect-retina-screen-iphone-4-in-iphone-sdk it iphone cocoa touch iphone 4 share improve this question Just did some reading on the official Apple Developers Forums and the issues has been discussed in length there. The best way to me seems to be the use of the scale property of UIScreen..
How to get audio volume level, and volume changed notifications on iOS 4? http://stackoverflow.com/questions/3651252/how-to-get-audio-volume-level-and-volume-changed-notifications-on-ios-4 volume level yet I haven't been able to find one using Apple's documentation sample code Google Apple Developer Forums or by watching WWDC 2010 videos. iphone audio ios4 ios share improve this question Any chance you did your signature..
Strange issue after upgrading to iOS 4.1 SDK http://stackoverflow.com/questions/3677879/strange-issue-after-upgrading-to-ios-4-1-sdk SDK and building using LLVM for the iPhone Simulator. You can read all about it in this thread on Apple's Developer Forums. The recommended solution is to add the following to Other C Flags in your project's build settings D__IPHONE_OS_VERSION_MIN_REQUIRED..
What happens to an iPhone app when iPhone goes into stand-by mode? http://stackoverflow.com/questions/411436/what-happens-to-an-iphone-app-when-iphone-goes-into-stand-by-mode the original poster did find an answer to his question by starting a thread available here in the iPhone Developer Forums which I eventually had to find myself because the information wasn't shared here . In case someone else has the same question..
Storing NSAttributedString Core Data http://stackoverflow.com/questions/4266226/storing-nsattributedstring-core-data iphone objective c core data nsattributedstring share improve this question I was checking the Apple Developer Forums and found a thread almost exactly the same as this question one person had done this but unfortunately did not share the..
Slight zoom on MKCoordinateRegion? http://stackoverflow.com/questions/4724176/slight-zoom-on-mkcoordinateregion
Why is viewDidLoad called twice when the rootViewController property of UIWindow is set? http://stackoverflow.com/questions/5462481/why-is-viewdidload-called-twice-when-the-rootviewcontroller-property-of-uiwindow
How do I get a background location update every n minutes in my iOS application? http://stackoverflow.com/questions/6347503/how-do-i-get-a-background-location-update-every-n-minutes-in-my-ios-application process share improve this question Found a solution to implement this with the help of the Apple Developer Forums. I did the following Specify location background mode Use an NSTimer in the background by using UIApplication beginBackgroundTaskWithExpirationHandler..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud images you should certainly use ImageNamed in your code. Now for posterity's sake The sister thread on the Apple Dev Forums received some better traffic. Specifically Rincewind added some authority. There are issues in iPhone OS 2.x where the imageNamed..
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