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2014/10/15 ¤U¤È 10:09:02
iphone Programming Glossary: finallyiPhone sending POST with NSURLConnection http://stackoverflow.com/questions/2071788/iphone-sending-post-with-nsurlconnection
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions always displayed correct. I have spent a significant amount of time investigating this issue and finally found a solution that is not only a partial solution but should work under all these circumstances...
Get PDF hyperlinks on iOS with Quartz http://stackoverflow.com/questions/4080373/get-pdf-hyperlinks-on-ios-with-quartz it seems I'll have to analyze text and search for URLs. But that's another story... Update 2 So I finally came up with some working code. I'm posting it here so hopefully it'll help someone. It assumes the..
Difference between self.ivar and ivar? http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar by the compiler which will first release the current string then retains the new string and finally sets name to the retained string. Just calling name foo does nothing more than assigning name to foo...
How to send json data in the Http request using NSURLRequest http://stackoverflow.com/questions/4456966/how-to-send-json-data-in-the-http-request-using-nsurlrequest POST instead of GET Is it simply to modify the HttpMethod like so request setHTTPMethod @ POST And finally how do I add a set of json data to this post as a simple string for example magic real true options..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll array predicateArray addObject NSPredicate predicateWithFormat @ name CONTAINS cd @ searchString finally add the filter predicate for this view if filterPredicate filterPredicate NSCompoundPredicate andPredicateWithSubpredicates..
Make movie file with picture Array and song file, using AVAsset http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset wrong. Thank you very much iphone ios video audio avassetwriter share improve this question I finally found how make movie with a picture array and an audio file. So if you want do the same thing I put..
How do I draw a shadow under a UIView? http://stackoverflow.com/questions/805872/how-do-i-draw-a-shadow-under-a-uiview draw a shadow .. and the restore it to what it was before you configured it to draw a shadow. Then finally you invoke the superclass's implementation of drawRect . Any drawing that should be affected by the..
iPhone sending POST with NSURLConnection http://stackoverflow.com/questions/2071788/iphone-sending-post-with-nsurlconnection
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions that the first view controller loaded from the main nib is always displayed correct. I have spent a significant amount of time investigating this issue and finally found a solution that is not only a partial solution but should work under all these circumstances. It is my intend with this CW post to provide sort of a FAQ for..
Get PDF hyperlinks on iOS with Quartz http://stackoverflow.com/questions/4080373/get-pdf-hyperlinks-on-ios-with-quartz and my code works now... But that's not what I need so it seems I'll have to analyze text and search for URLs. But that's another story... Update 2 So I finally came up with some working code. I'm posting it here so hopefully it'll help someone. It assumes the PDF document actually contains annotations. for int i 0 i pageCount..
Difference between self.ivar and ivar? http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar foo it will call the setName NSString str mutator generated by the compiler which will first release the current string then retains the new string and finally sets name to the retained string. Just calling name foo does nothing more than assigning name to foo. This also means that you can only call self.xxx when you have..
How to send json data in the Http request using NSURLRequest http://stackoverflow.com/questions/4456966/how-to-send-json-data-in-the-http-request-using-nsurlrequest is how might I modify the request part of this to do a POST instead of GET Is it simply to modify the HttpMethod like so request setHTTPMethod @ POST And finally how do I add a set of json data to this post as a simple string for example magic real true options happy true joy true joy2 true key 123 Thank you in advance..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll your search predicate s are added to this array predicateArray addObject NSPredicate predicateWithFormat @ name CONTAINS cd @ searchString finally add the filter predicate for this view if filterPredicate filterPredicate NSCompoundPredicate andPredicateWithSubpredicates NSArray arrayWithObjects filterPredicate..
Make movie file with picture Array and song file, using AVAsset http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset me by telling me if I forget something or if something is wrong. Thank you very much iphone ios video audio avassetwriter share improve this question I finally found how make movie with a picture array and an audio file. So if you want do the same thing I put my code here be careful to memory First make a movie file with..
How do I draw a shadow under a UIView? http://stackoverflow.com/questions/805872/how-do-i-draw-a-shadow-under-a-uiview you save the GState of the current context configure it to draw a shadow .. and the restore it to what it was before you configured it to draw a shadow. Then finally you invoke the superclass's implementation of drawRect . Any drawing that should be affected by the shadow setting needs to happen after CGContextSetShadow currentContext..
http://stackoverflow.com/questions/1619172/itunes-connect-api C API wrappers Thanks in advance. iphone objective c api osx itunesconnect share improve this question iTunes finally released an auto download tool as noted in the PDF http www.apple.com itunesnews docs AppStoreReportingInstructions.pdf..
iPhone Dev: UIWebView baseUrl to resources in Documents folder not App bundle http://stackoverflow.com/questions/1926117/iphone-dev-uiwebview-baseurl-to-resources-in-documents-folder-not-app-bundle help is very much appreciated iphone resources uiwebview share improve this question After some googling I have finally found a fitting solution for the question I posed. Hopefully this would help those who face the same problem. The trick..
iPhone sending POST with NSURLConnection http://stackoverflow.com/questions/2071788/iphone-sending-post-with-nsurlconnection
iphone/ipad orientation handling http://stackoverflow.com/questions/2815802/iphone-ipad-orientation-handling more of a general question for people to provide me guidance on basically Im learning iPad iPhone development and have finally come across the multi orientation support question. I have looked up a fair amount of doco and my book Beginning iPhone..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions from the main nib is always displayed correct. I have spent a significant amount of time investigating this issue and finally found a solution that is not only a partial solution but should work under all these circumstances. It is my intend with..
How to convert an NSString to hex values http://stackoverflow.com/questions/3056757/how-to-convert-an-nsstring-to-hex-values output what I'm looking for. Instead of outputting hex values in 0 f format it was instead outputting all numbers. I finally got back to working on this problem and was able to write a category for NSString that exactly duplicates the Java methods..
Where can I find a CSV to NSArray parser for Objective-C? [closed] http://stackoverflow.com/questions/3344628/where-can-i-find-a-csv-to-nsarray-parser-for-objective-c so maybe there is a conversion library somewhere. iphone objective c ios parsing share improve this question I finally got around to cleaning up a parser I've had in my code folder and posted it on Github http github.com davedelong CHCSVParser..
Get PDF hyperlinks on iOS with Quartz http://stackoverflow.com/questions/4080373/get-pdf-hyperlinks-on-ios-with-quartz not what I need so it seems I'll have to analyze text and search for URLs. But that's another story... Update 2 So I finally came up with some working code. I'm posting it here so hopefully it'll help someone. It assumes the PDF document actually..
Difference between self.ivar and ivar? http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar str mutator generated by the compiler which will first release the current string then retains the new string and finally sets name to the retained string. Just calling name foo does nothing more than assigning name to foo. This also means that..
How to send json data in the Http request using NSURLRequest http://stackoverflow.com/questions/4456966/how-to-send-json-data-in-the-http-request-using-nsurlrequest of this to do a POST instead of GET Is it simply to modify the HttpMethod like so request setHTTPMethod @ POST And finally how do I add a set of json data to this post as a simple string for example magic real true options happy true joy true..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll s are added to this array predicateArray addObject NSPredicate predicateWithFormat @ name CONTAINS cd @ searchString finally add the filter predicate for this view if filterPredicate filterPredicate NSCompoundPredicate andPredicateWithSubpredicates..
http://stackoverflow.com/questions/462440/version-of-xslt-in-iphone panel right click on Frameworks Add Existing Frameworks... . Create a simple XML file and its XSL tranformation. And finally you can use a code similar to the sample above to get the tranformation result into an NSString e.g. to display in in a..
How to use activity indicator view on iPhone? http://stackoverflow.com/questions/593234/how-to-use-activity-indicator-view-on-iphone
Make movie file with picture Array and song file, using AVAsset http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset or if something is wrong. Thank you very much iphone ios video audio avassetwriter share improve this question I finally found how make movie with a picture array and an audio file. So if you want do the same thing I put my code here be careful..
problem compiling ffmpeg for iFrameExtractor http://stackoverflow.com/questions/6994151/problem-compiling-ffmpeg-for-iframeextractor to build for iphone 4 . iphone ios ffmpeg armv6 share improve this question After a week of trial and error I was finally able to create the ffmpeg universal libraries and successfully compile and run iFrameExtractor for the device as well as..
iPhone Watermark on recorded Video. http://stackoverflow.com/questions/7205820/iphone-watermark-on-recorded-video suggest grabbing frames with AVCaptureVideoDataOutput then overlaying the captured frame with the watermark image and finally writing captured and processed frames to a file user AVAssetWriter . Search around stack overflow there are a ton of fantastic..
Last In-First Out Stack with GCD? http://stackoverflow.com/questions/7567827/last-in-first-out-stack-with-gcd open to suggestions like timthetoolman's one that solves the problem outlined in another way if such a suggestion is finally what I use I'll recognize both the best answer to the original question as well as the best solution I ended up implementing.....
How do I draw a shadow under a UIView? http://stackoverflow.com/questions/805872/how-do-i-draw-a-shadow-under-a-uiview configure it to draw a shadow .. and the restore it to what it was before you configured it to draw a shadow. Then finally you invoke the superclass's implementation of drawRect . Any drawing that should be affected by the shadow setting needs..
How to set up CMake to build an app for the iPhone http://stackoverflow.com/questions/822404/how-to-set-up-cmake-to-build-an-app-for-the-iphone reports a success in building a library and then peters out. iphone xcode cmake share improve this question I finally figured out how to do this. Here's what my CMakeLists.txt file looks like project test set NAME test file GLOB headers .h..
Removing App ID from Developer Connection http://stackoverflow.com/questions/996477/removing-app-id-from-developer-connection
How do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder correctly. One more thing. In the code I am not showing how to handle metering data but you can figure it out easily. Finally note that the AVAudioRecorder method deleteRecording as of this writing crashes your application. This is why I am removing..
UIWebView to view self signed websites (No private api, not NSURLConnection) - is it possible? http://stackoverflow.com/questions/11573164/uiwebview-to-view-self-signed-websites-no-private-api-not-nsurlconnection-i images and everything else that would be great Cheers Stretch. iphone ios uiwebview share improve this question Finally I got it What you can do is this Initiate your request using UIWebView as normal. Then in webView shouldStartLoadWithRequest..
iPhone In-App Purchase Store Kit error -1003 “Cannot connect to iTunes Store” http://stackoverflow.com/questions/1717700/iphone-in-app-purchase-store-kit-error-1003-cannot-connect-to-itunes-store using the App Store app to really connect to the real App Store and download some apps so I do have connectivity. Finally I have visited the Settings Store app to make sure I am signed out of my normal app store account. iphone in app purchase..
How to use UIProgressView while loading of a UIWebView? http://stackoverflow.com/questions/1900151/how-to-use-uiprogressview-while-loading-of-a-uiwebview tell you how far along you are so your progress fraction will be length maxLength normalized to between 0.0 and 1.0. Finally you're going to init the webview with data instead of a URL in your connection didFinishLoading delegate method . Two caveats..
How to search MKMapView with UISearchBar? http://stackoverflow.com/questions/2281798/how-to-search-mkmapview-with-uisearchbar my map to the area in question. self zoomMapAndCenterAtLatitude latitude andLongitude longitude jsonString release Finally the function to zoom my map which should by now be a trivial thing. void zoomMapAndCenterAtLatitude double latitude andLongitude..
iphone how to get crash log from customers? http://stackoverflow.com/questions/3844482/iphone-how-to-get-crash-log-from-customers the crash report and send it to the server. If it crashes now the file has been deleted so it shouldn't happen again. Finally enable crash reporting so if it crashes in steps 1 or 2 the crash isn't logged . In any case you should have a Oops it crashed..
http://stackoverflow.com/questions/4194394/client-server-gksessions anywhere. Secondly don't forget in your clients simply do not implement didReceiveConnectionRequestFromPeer Finally if all that doesn't work In your clients in peer didChangeState you need to do this ... so this is in the CLIENT... void..
how to crop image in to pieces programmatically http://stackoverflow.com/questions/4743242/how-to-crop-image-in-to-pieces-programmatically and place it in a UIImageView. In order to get the tap gesture to work I had to place the UIImageView in a UIView. Finally provide the gesture and a unique tag so that the piece can be identified when tapped on. void loadView UIView root UIView..
Add an SQLite database to an iPhone app http://stackoverflow.com/questions/487339/add-an-sqlite-database-to-an-iphone-app iPhone SDK folder. Developer Platforms iPhoneOS.platform Developer SDKs iPhoneOS2.2.sdk usr lib libsqlite3.0.dylib Finally you have to include the header file sqlite3.h from Developer Platforms iPhoneOS.platform Developer SDKs iPhoneOS2.2.sdk..
Drawing waveform with AVAssetReader http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader 2 imageHeight 100 finalData imageToData test fullSongData release reader release return finalData Advanced Option Finally if you want to be able to play the audio using AVAudioPlayer you'll need to cache it to your apps's bundle cache folder...
http://stackoverflow.com/questions/5360846/suspend-the-application it begins and they expect to get a chance to confirm their intention to perform a potentially destructive action. Finally people expect to be able to gracefully stop an operation that ™s underway. There should be no reason that you need to force..
What is the difference between -viewWillAppear: and -viewDidAppear:? http://stackoverflow.com/questions/5630649/what-is-the-difference-between-viewwillappear-and-viewdidappear heavy you do here will impact performance in a very visible manner like animations being delayed etc . 3 ViewDidAppear Finally I use the ViewDidAppear to start off new threads to things that would take a long time to execute like for example doing..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers initWithWarehouse andCheckoutController myCheckout ... window addSubview bookPicker view window makeKeyAndVisible Finally not only is your BookPickerController reusable but also easier to test. void testBookPickerController MockBookWarehouse..
How to invoke iPhone Maps for Directions with Current Location as Start Address http://stackoverflow.com/questions/576768/how-to-invoke-iphone-maps-for-directions-with-current-location-as-start-address NSUTF8StringEncoding UIApplication sharedApplication openURL NSURL URLWithString url Finally if you do want to avoid using CoreLocation to explicitly find the current location and want to use the @ http maps.google.com..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes second mapping model which is almost identical just a timeIntervalSince1970 used to convert the NSDate to a double. Finally we need to trigger the migration. I'll skip the boilerplate code for now. If you need it I'll post here. It can be found..
http://stackoverflow.com/questions/6896029/re-sign-ipa-iphone much exactly the same. Pointers are much appreciated. iphone build codesign ipa share improve this question Finally got this working Tested with a IPA signed with cert1 for app store submission with no devices added in the provisioning..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown tells the compiler that you know what you're doing and not to generate a warning since the pointer types don't match . Finally you call the function pointer. Complex Example When the selector takes arguments or returns a value you'll have to change..
How can I link to my app in the App Store (iTunes)? http://stackoverflow.com/questions/818973/how-can-i-link-to-my-app-in-the-app-store-itunes @ mailto xxx@wibble.com subject Get my app body stringByAddingPercentEscapesUsingEncoding NSUTF8StringEncoding Finally combine to create the fully escaped URL string NSString mailtoStr mailtoPrefix stringByAppendingString escapedBody And let..
`[super viewDidLoad]` convention http://stackoverflow.com/questions/844195/super-viewdidload-convention method last. This makes sure that you can rely on the state of the object throughout the execution of your method. Finally take any other case on a case by case basis. For instance if you're handling an event you probably want to deal with the..
http://stackoverflow.com/questions/8482327/learning-opengles-2-0-on-ios but their 2009 and 2010 videos if you can find them provide a lot more introductory material around OpenGL ES 2.0. Finally as Andy mentions I taught a class on the subject as part of my course on iTunes U which you can download for free here ...
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