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2014/10/15 ¤U¤È 10:12:49
iphone Programming Glossary: possiblyHow can an iPhone access another non-iPhone device over wireless or Bluetooth? http://stackoverflow.com/questions/1065459/how-can-an-iphone-access-another-non-iphone-device-over-wireless-or-bluetooth would need to communicate with other non iPhone devices in the area probably using Bluetooth but possibly a direct wireless connection. What are the possibilities and limitations of this approach Is it not..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone update For those of you just learning about Core Graphics here is the simplest thing that could possibly work. In your subclassed UIView void drawRect CGRect rect CGContextRef context UIGraphicsGetCurrentContext..
Javascript for “Add to Home Screen” on iPhone? http://stackoverflow.com/questions/1141979/javascript-for-add-to-home-screen-on-iphone bookmark menu Something similar to IE's window.external.AddFavorite location.href document.title possibly javascript iphone mobile safari bookmarks homescreen share improve this question The only way to..
How to save picture to iPhone photo library? http://stackoverflow.com/questions/178915/how-to-save-picture-to-iphone-photo-library picture to iPhone photo library What do I need to do to save an image my program has generated possibly from the camera possibly not to the system photo library on the iPhone iphone cocoa touch camera .. library What do I need to do to save an image my program has generated possibly from the camera possibly not to the system photo library on the iPhone iphone cocoa touch camera share improve this question..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library added as direct dependency. But later I found that it was my fault direct dependency projecct possibly was not added properly. When I remove it and add again with steps Drag drop lib project file in app..
Get PDF hyperlinks on iOS with Quartz http://stackoverflow.com/questions/4080373/get-pdf-hyperlinks-on-ios-with-quartz ask for sample code directly but apparently this time I really need it... anyone got this working possibly with sample code Update I just realized the guy who has done my testing PDF had just inserted an URL..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll then the original UITableView not the search table view that is active while searching will possibly have callbacks called while you are searching and try to incorrectly use the filtered version of your..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature category with an additional initializer that takes care of assigning the locale and possibly also a format string so you'd have a ready to use formatter right after initializing it. @interface..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample see the big picture. So please bear with me some of these questions are quite fundamental but possibly easy to answer. Context I have a very simple iCloud app running full sample code below . There is only..
How can an iPhone access another non-iPhone device over wireless or Bluetooth? http://stackoverflow.com/questions/1065459/how-can-an-iphone-access-another-non-iphone-device-over-wireless-or-bluetooth Is that correct I'm thinking of an iPhone application that would need to communicate with other non iPhone devices in the area probably using Bluetooth but possibly a direct wireless connection. What are the possibilities and limitations of this approach Is it not possible to have an iPhone connect to an arbitrary Bluetooth..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone could test Ramin's code and it works like a charm Final final update For those of you just learning about Core Graphics here is the simplest thing that could possibly work. In your subclassed UIView void drawRect CGRect rect CGContextRef context UIGraphicsGetCurrentContext CGContextSetFillColor context CGColorGetComponents UIColor..
Javascript for “Add to Home Screen” on iPhone? http://stackoverflow.com/questions/1141979/javascript-for-add-to-home-screen-on-iphone to emulate the Add to Home Screen option in Mobile Safari's bookmark menu Something similar to IE's window.external.AddFavorite location.href document.title possibly javascript iphone mobile safari bookmarks homescreen share improve this question The only way to add any book marks in MobileSafari including ones on the home..
How to save picture to iPhone photo library? http://stackoverflow.com/questions/178915/how-to-save-picture-to-iphone-photo-library to save picture to iPhone photo library What do I need to do to save an image my program has generated possibly from the camera possibly not to the system photo library on the iPhone iphone cocoa touch camera share improve this question You can use this function UIImageWriteToSavedPhotosAlbum.. to save picture to iPhone photo library What do I need to do to save an image my program has generated possibly from the camera possibly not to the system photo library on the iPhone iphone cocoa touch camera share improve this question You can use this function UIImageWriteToSavedPhotosAlbum..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library files added to the project. Yet I had troubles with lib project added as direct dependency. But later I found that it was my fault direct dependency projecct possibly was not added properly. When I remove it and add again with steps Drag drop lib project file in app project or add it with Project Add to project . Click on arrow..
Get PDF hyperlinks on iOS with Quartz http://stackoverflow.com/questions/4080373/get-pdf-hyperlinks-on-ios-with-quartz times here with no real practical answers. I usually never ask for sample code directly but apparently this time I really need it... anyone got this working possibly with sample code Update I just realized the guy who has done my testing PDF had just inserted an URL as text and not a real annotation. He tried putting an annotation..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll table view. If you only use one FRC NSFetchedResultsController then the original UITableView not the search table view that is active while searching will possibly have callbacks called while you are searching and try to incorrectly use the filtered version of your FRC and you will see exceptions thrown about incorrect number..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature this question Instead of subclassing you could create an NSDateFormatter category with an additional initializer that takes care of assigning the locale and possibly also a format string so you'd have a ready to use formatter right after initializing it. @interface NSDateFormatter LocaleAdditions id initWithPOSIXLocaleAndFormat..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample which is massive . The apple docs are OK but I still can't see the big picture. So please bear with me some of these questions are quite fundamental but possibly easy to answer. Context I have a very simple iCloud app running full sample code below . There is only one UITextView shown to the user and his her input is saved..
iOS PNG Image rotated 90 degrees http://stackoverflow.com/questions/10307521/ios-png-image-rotated-90-degrees UIImageOrientationUp You may need to experiment with just what orientation to set on your replacement images possibly switching based on the orientation you started with. Also keep an eye on your memory usage. Photography apps often run out..
How can an iPhone access another non-iPhone device over wireless or Bluetooth? http://stackoverflow.com/questions/1065459/how-can-an-iphone-access-another-non-iphone-device-over-wireless-or-bluetooth application that would need to communicate with other non iPhone devices in the area probably using Bluetooth but possibly a direct wireless connection. What are the possibilities and limitations of this approach Is it not possible to have an..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone a charm Final final update For those of you just learning about Core Graphics here is the simplest thing that could possibly work. In your subclassed UIView void drawRect CGRect rect CGContextRef context UIGraphicsGetCurrentContext CGContextSetFillColor..
Javascript for “Add to Home Screen” on iPhone? http://stackoverflow.com/questions/1141979/javascript-for-add-to-home-screen-on-iphone in Mobile Safari's bookmark menu Something similar to IE's window.external.AddFavorite location.href document.title possibly javascript iphone mobile safari bookmarks homescreen share improve this question The only way to add any book marks..
iOS - Linker error after upgrading to Xcode 4.5, possibly Core Plot related http://stackoverflow.com/questions/12411077/ios-linker-error-after-upgrading-to-xcode-4-5-possibly-core-plot-related Linker error after upgrading to Xcode 4.5 possibly Core Plot related I've just upgraded to Xcode 4.5GM and tidied up some screens in my iPhone project to cope with the extra..
Streaming Audio MMS:// to the iPhone http://stackoverflow.com/questions/1256720/streaming-audio-mms-to-the-iphone are a couple apps out there that can do it already FStream WunderRadio Tuner and I've read a few notes about them possibly using libmms and ffmpeg to accomplish this task. Does anyone know of a way to achieve this Is there a library out there..
iPhone - dealloc - Release vs. nil http://stackoverflow.com/questions/1458178/iphone-dealloc-release-vs-nil dealloc Release vs. nil Wondering if someone with experience could possibly explain this a bit more. I have seen examples of... view release view nil ....inside the void dealloc. What is the difference..
UIViewController. viewDidLoad vs. viewWillAppear: What is the proper division of labor? http://stackoverflow.com/questions/1579550/uiviewcontroller-viewdidload-vs-viewwillappear-what-is-the-proper-division-of network communication into viewDidLoad or viewWillAppear they will be executed before the user gets to see the view possibly resulting a short freeze of your app. It may be good idea to first show the user an unpopulated view with an activity indicator..
How to save picture to iPhone photo library? http://stackoverflow.com/questions/178915/how-to-save-picture-to-iphone-photo-library to save picture to iPhone photo library What do I need to do to save an image my program has generated possibly from the camera possibly not to the system photo library on the iPhone iphone cocoa touch camera share improve this question.. to iPhone photo library What do I need to do to save an image my program has generated possibly from the camera possibly not to the system photo library on the iPhone iphone cocoa touch camera share improve this question You can use this..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library with lib project added as direct dependency. But later I found that it was my fault direct dependency projecct possibly was not added properly. When I remove it and add again with steps Drag drop lib project file in app project or add it with..
How do I open the Settings application from my application? http://stackoverflow.com/questions/377102/how-do-i-open-the-settings-application-from-my-application In my opinion you should just ask for the values if you need them at launch storing them in your NSUserDefaults and possibly directing your users to look in Settings.app if they need to change those settings in the future. Unfortunately that means..
Get PDF hyperlinks on iOS with Quartz http://stackoverflow.com/questions/4080373/get-pdf-hyperlinks-on-ios-with-quartz I usually never ask for sample code directly but apparently this time I really need it... anyone got this working possibly with sample code Update I just realized the guy who has done my testing PDF had just inserted an URL as text and not a real..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll NSFetchedResultsController then the original UITableView not the search table view that is active while searching will possibly have callbacks called while you are searching and try to incorrectly use the filtered version of your FRC and you will see..
Invoke native date picker from web-app on iOS/Android http://stackoverflow.com/questions/4946919/invoke-native-date-picker-from-web-app-on-ios-android comment or edit Devices might show a cursor in the input field and a long press might trigger the clipboard options possibly showing the regular keyboard too. When clicking some devices might even show the regular keyboard for a split second before..
NSMutableString as retain/copy http://stackoverflow.com/questions/4995254/nsmutablestring-as-retain-copy prev release NSMutableString str1 locking observing etc omitted don't return something the clients thinks they may possibly modify and don't return something you may modify behind their back return str1 mutableCopy autorelease or return str1 retain.. handling the result. NSString str1 locking observing etc omitted don't return something the clients thinks they may possibly modify and don't return something you may modify behind their back return str1 copy autorelease @end your interface is now..
Keyboard not Appearing when Tapping Text Box in UIWebView http://stackoverflow.com/questions/6312680/keyboard-not-appearing-when-tapping-text-box-in-uiwebview The keyboard will not appear in my App unless I first display and dismiss a UIAlertView in the first tab. What could possibly be wrong iphone uiwebview uitextview uikeyboard share improve this question Solved I accidentally removed window makeKeyAndVisible..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature could create an NSDateFormatter category with an additional initializer that takes care of assigning the locale and possibly also a format string so you'd have a ready to use formatter right after initializing it. @interface NSDateFormatter LocaleAdditions..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample are OK but I still can't see the big picture. So please bear with me some of these questions are quite fundamental but possibly easy to answer. Context I have a very simple iCloud app running full sample code below . There is only one UITextView shown..
iPhone iOS how to extract photo metadata and geotagging info from a camera roll image? [duplicate] http://stackoverflow.com/questions/10116527/iphone-ios-how-to-extract-photo-metadata-and-geotagging-info-from-a-camera-roll usingBlock ^ ALAssetsGroup group BOOL stop if group nil return groups addObject group failureBlock ^ NSError error Possibly Location Services are disabled for your application or system wide. You should notify user to turn Location Services on...
http://stackoverflow.com/questions/11173605/detecting-a-clap-in-ios care about. In my own tests with some laptop software I have my claps have a very strong spike around 1kHz 2kHz. Possibly overkill for you needs but if you need something higher fidelity then I suspect you will not be satisfied with simply tracking..
iPhone development: pointer being freed was not allocated http://stackoverflow.com/questions/1424210/iphone-development-pointer-being-freed-was-not-allocated the build target to 3.1 the errors in the simulator go away. If I run the code on the device the errors don't appear. Possibly a bug in 3.0 My advice is to test with 3.1 as your target and if you want you can build for 3.0 for release and not worry..
UIScrollView - showing the scroll bar http://stackoverflow.com/questions/1888647/uiscrollview-showing-the-scroll-bar showing the scroll bar Possibly a simple one Does anyone know how to get the scroll bar of a UIScrollView to constantly show It displays when the user is..
Apple is not currently accepting applications built with this version of the SDK http://stackoverflow.com/questions/4454250/apple-is-not-currently-accepting-applications-built-with-this-version-of-the-sdk XCode Version 3.2.5 Any clues iphone iphone sdk 3.0 ios4 ios simulator cocos2d iphone share improve this question Possibly try moving the deployment target other thing to 3.1 instead of 3.0. XCode 3.2.5 is the latest version you could also try..
Reachability network change event not firing http://stackoverflow.com/questions/4501864/reachability-network-change-event-not-firing is that it is an issue with the ViewController's lifecycle should this code be placed in the AppDelegate function Possibly that's a better design to start with. iphone objective c reachability nsnotificationcenter share improve this question..
filtering single and double taps http://stackoverflow.com/questions/6587453/filtering-single-and-double-taps doubleTapGestureRecognizer tapGestureRecognizer.delegate self self addGestureRecognizer singleTapGestureRecognizer Possibly I don't understand exactly what you mean by i need to keep track of the points but I don't see any problems with doing this..
Why might my AudioQueueOutputCallback not be called? http://stackoverflow.com/questions/7575670/why-might-my-audioqueueoutputcallback-not-be-called the stream perfectly while reusing buffers as needed that confuses me the most. Why isn't the callback being called Possibly Relevant Code The format of the stream is 16 bit linear PCM 8 kHz Mono _streamDescription.mSampleRate 8000.0f _streamDescription.mFormatID..
SFHFKeychainUtils. iOS keychain. ARC compatible http://stackoverflow.com/questions/7663443/sfhfkeychainutils-ios-keychain-arc-compatible else There is an existing item but we weren't able to get password data for it for some reason Possibly as a result of an item being incorrectly entered by the previous code. Set the 1999 error so the code above us can prompt..
App rejected: strange iPhone crash log http://stackoverflow.com/questions/7885682/app-rejected-strange-iphone-crash-log all folders. Clean your trash. And then try deleting that crash log from XCode Organizer and drag drop it again there. Possibly it might symbolicate it now. If it does do step X If it does not read on. Now you will need to do follow the steps on this..
How to safely shut down a loading UIWebView in viewWillDisappear? http://stackoverflow.com/questions/789984/how-to-safely-shut-down-a-loading-uiwebview-in-viewwilldisappear see messages like this SourceCache WebCore WebCore 351.9.42 wak WKWindow.c 250 WKWindowIsSuspendedWindow NULL window. Possibly related I sometimes again totally intermittent get an ugly heisenbug where clicking the back button on some other view's..
Pass touch from UIScrollView to superview (UIButton) http://stackoverflow.com/questions/8830671/pass-touch-from-uiscrollview-to-superview-uibutton touch from UIScrollView to superview UIButton Possibly a duplicate but I couldn't find an exact answer to my problem searching SO tonight... I have a UIButton which contains a..
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