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2014/10/15 ¤U¤È 10:08:34
iphone Programming Glossary: exceptDifference between objectForKey and valueForKey? http://stackoverflow.com/questions/1062183/difference-between-objectforkey-and-valueforkey is an NSDictionary method. An NSDictionary is a collection class similar to an NSArray except instead of using indexes it uses keys to differentiate between items. A key is an arbitrary string you..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone mind that this won't work on phones without iOS 4 and it won't work on the iPod touch or the iPad except perhaps under iOS 5. You must either detect the device and iOS limitations prior to using this controller..
How do I make UILabel display outlined text? http://stackoverflow.com/questions/1103148/how-do-i-make-uilabel-display-outlined-text together from a few tangentially related online examples. And it works but it's very very slow except on the simulator and I couldn't get it to center the text vertically either so I hard coded the y value..
Remove all but numbers from NSString http://stackoverflow.com/questions/1129521/remove-all-but-numbers-from-nsstring parenthesis and hyphens as some phone numbers are formatted. How would I remove all characters except numbers from the string iphone objective c formatting nsstring phone number share improve this question..
Remove HTML Tags from an NSString on the iPhone http://stackoverflow.com/questions/277055/remove-html-tags-from-an-nsstring-on-the-iphone suggestion has been to simply look for opening and closing tag characters this method won't work except for very trivial cases. For example these cases from the Perl Cookbook chapter on the same subject would..
http://stackoverflow.com/questions/3245733/apple-gyroscope-sample-code any tutorial about integrating gyroscope with openGL... I searched google i didn't find anything except core motion guide and event handling guide . Updated Please let me know if any sample available.. iphone..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework I just got the FFT code working for an iPhone project create a new project delete all the files except for main.m and xxx_info.plist going to project settings and search for pch and stop it from trying to..
Objective-c iPhone percent encode a string? http://stackoverflow.com/questions/3423545/objective-c-iphone-percent-encode-a-string which specific characters you want to escape. The proper specification is to escape all characters except a small set. To fix this I created an NSString category method to properly encode a string. It will..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints this question I have build such kind of application using approximatively the same approach except I cache the generated image on the disk and always generate two to three images in advance in a separate..
http://stackoverflow.com/questions/4168327/what-is-nszombie
Rendering to non-power-of-two texture on iPhone http://stackoverflow.com/questions/4760174/rendering-to-non-power-of-two-texture-on-iphone if supported. There is no additional procedural or enumerant API introduced by this extension except that an implementation which exports the extension string will allow an application to pass in 2D texture..
Xcode 4: create IPA file instead of .xcarchive http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive the option. A way to solve this is as follows go through build settings for each of the targets except the application target and set Skip Install flag to YES. Then do the Product Archive tango once again..
iOS: How to store username/password within an app? http://stackoverflow.com/questions/6972092/ios-how-to-store-username-password-within-an-app IN my app I need this username password for database querys for the user. So Where to store data except the NSUserDefaults This place can should be deleted when the user quit the app or logout . iphone ios..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now apps if the hashing is done in the same way . Anyways nowadays 2013 this isn't necessary any more except if you need a stable device identifier on iOS 6.0. Edit 4 In iOS 7 Apple now always returns a fixed..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud data is needed. As you can imagine if you only need the image data once you've won nothing here except to have a cached version of the image hanging around and likely for longer than you need it. However..
how to create iphone's wobbling icon effect? http://stackoverflow.com/questions/929364/how-to-create-iphones-wobbling-icon-effect to the from position and doesn't interpolate back. CAKeyframeAnimation seems like the solution except that I can't get it to work. I must be missing something. Here's my code using the CAKeyframeAnimation..
How do you optionally use iPhone OS 3.0 features in a 2.0 compatible app? http://stackoverflow.com/questions/986589/how-do-you-optionally-use-iphone-os-3-0-features-in-a-2-0-compatible-app it quite cumbersome since I had to trick the compiler linker to use the 2.0 SDK with all code except the one which uses MapKit. Has anybody more experience with this What are you doing to make it compile..
Difference between objectForKey and valueForKey? http://stackoverflow.com/questions/1062183/difference-between-objectforkey-and-valueforkey key value coding share improve this question objectForKey is an NSDictionary method. An NSDictionary is a collection class similar to an NSArray except instead of using indexes it uses keys to differentiate between items. A key is an arbitrary string you provide. No two objects can have the same key just as no..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone have a cellular modem. Limitations to this class Keep in mind that this won't work on phones without iOS 4 and it won't work on the iPod touch or the iPad except perhaps under iOS 5. You must either detect the device and iOS limitations prior to using this controller or risk restricting your app to recently upgraded 3G 3GS..
How do I make UILabel display outlined text? http://stackoverflow.com/questions/1103148/how-do-i-make-uilabel-display-outlined-text UILabel with the code below which I clumsily cobbled together from a few tangentially related online examples. And it works but it's very very slow except on the simulator and I couldn't get it to center the text vertically either so I hard coded the y value on the last line temporarily . Ahhhh void ShowStringCentered..
Remove all but numbers from NSString http://stackoverflow.com/questions/1129521/remove-all-but-numbers-from-nsstring from NSString I have an NSString phone number with some parenthesis and hyphens as some phone numbers are formatted. How would I remove all characters except numbers from the string iphone objective c formatting nsstring phone number share improve this question There's no need to use a regular expressions library..
Remove HTML Tags from an NSString on the iPhone http://stackoverflow.com/questions/277055/remove-html-tags-from-an-nsstring-on-the-iphone regex or NSScanner. Does anyone have a solution to this One suggestion has been to simply look for opening and closing tag characters this method won't work except for very trivial cases. For example these cases from the Perl Cookbook chapter on the same subject would break this method IMG SRC foo.gif ALT A B A comment script..
http://stackoverflow.com/questions/3245733/apple-gyroscope-sample-code there any sample code released from apple about gyroscope or any tutorial about integrating gyroscope with openGL... I searched google i didn't find anything except core motion guide and event handling guide . Updated Please let me know if any sample available.. iphone cocoa touch ios4 share improve this question To get..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework project. iphone audio fft share improve this question I just got the FFT code working for an iPhone project create a new project delete all the files except for main.m and xxx_info.plist going to project settings and search for pch and stop it from trying to load a .pch seeing as we have just deleted it copy paste the..
Objective-c iPhone percent encode a string? http://stackoverflow.com/questions/3423545/objective-c-iphone-percent-encode-a-string a few characters and the CF function only lets you say which specific characters you want to escape. The proper specification is to escape all characters except a small set. To fix this I created an NSString category method to properly encode a string. It will percent encoding everything EXCEPT a zA Z0 9. _~ and will also..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints editor for OSX iphone ios ipad pdf calayer share improve this question I have build such kind of application using approximatively the same approach except I cache the generated image on the disk and always generate two to three images in advance in a separate thread. I don't overlay with a UIImage but instead draw..
http://stackoverflow.com/questions/4168327/what-is-nszombie
Rendering to non-power-of-two texture on iPhone http://stackoverflow.com/questions/4760174/rendering-to-non-power-of-two-texture-on-iphone The restrictions remain in place for cube map and 3D textures if supported. There is no additional procedural or enumerant API introduced by this extension except that an implementation which exports the extension string will allow an application to pass in 2D texture dimensions that may or may not be a power of two. In the..
Xcode 4: create IPA file instead of .xcarchive http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive to package them both into an .ipa file so it merely disables the option. A way to solve this is as follows go through build settings for each of the targets except the application target and set Skip Install flag to YES. Then do the Product Archive tango once again and go to the Organizer to select your new archive. Now when..
iOS: How to store username/password within an app? http://stackoverflow.com/questions/6972092/ios-how-to-store-username-password-within-an-app savement. So the NSUserDefaults will be cleared then. But IN my app I need this username password for database querys for the user. So Where to store data except the NSUserDefaults This place can should be deleted when the user quit the app or logout . iphone ios data nsuserdefaults keychain share improve this question..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now create the same result every time even across reinstalls and apps if the hashing is done in the same way . Anyways nowadays 2013 this isn't necessary any more except if you need a stable device identifier on iOS 6.0. Edit 4 In iOS 7 Apple now always returns a fixed value when querying the MAC to specifically thwart the MAC as..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud will decompress that image everytime the image data is needed. As you can imagine if you only need the image data once you've won nothing here except to have a cached version of the image hanging around and likely for longer than you need it. However if you do have a large image that you need to redraw often..
how to create iphone's wobbling icon effect? http://stackoverflow.com/questions/929364/how-to-create-iphones-wobbling-icon-effect creates a jitter every time it repeats because it jumps to the from position and doesn't interpolate back. CAKeyframeAnimation seems like the solution except that I can't get it to work. I must be missing something. Here's my code using the CAKeyframeAnimation which doesn't work NSString keypath @ wobbleImage CAKeyframeAnimation..
How do you optionally use iPhone OS 3.0 features in a 2.0 compatible app? http://stackoverflow.com/questions/986589/how-do-you-optionally-use-iphone-os-3-0-features-in-a-2-0-compatible-app linking of the MapKit.framework weak_framework MapKit . I found it quite cumbersome since I had to trick the compiler linker to use the 2.0 SDK with all code except the one which uses MapKit. Has anybody more experience with this What are you doing to make it compile link. Has anybody already submitted an app to Apple which..
Difference between objectForKey and valueForKey? http://stackoverflow.com/questions/1062183/difference-between-objectforkey-and-valueforkey this question objectForKey is an NSDictionary method. An NSDictionary is a collection class similar to an NSArray except instead of using indexes it uses keys to differentiate between items. A key is an arbitrary string you provide. No two objects..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone this class Keep in mind that this won't work on phones without iOS 4 and it won't work on the iPod touch or the iPad except perhaps under iOS 5. You must either detect the device and iOS limitations prior to using this controller or risk restricting..
How do I make UILabel display outlined text? http://stackoverflow.com/questions/1103148/how-do-i-make-uilabel-display-outlined-text I clumsily cobbled together from a few tangentially related online examples. And it works but it's very very slow except on the simulator and I couldn't get it to center the text vertically either so I hard coded the y value on the last line..
Remove all but numbers from NSString http://stackoverflow.com/questions/1129521/remove-all-but-numbers-from-nsstring phone number with some parenthesis and hyphens as some phone numbers are formatted. How would I remove all characters except numbers from the string iphone objective c formatting nsstring phone number share improve this question There's no..
In iOS6, trouble forcing ViewController to certain interfaceOrientation when pushed on stack http://stackoverflow.com/questions/15300819/in-ios6-trouble-forcing-viewcontroller-to-certain-interfaceorientation-when-pus pushed on stack I have the following view controller set up viewController1 is able rotate freely to any orientation except portrait upside down. viewController2 gets pushed on top of viewController1 and I'd like for it to be the same orientation..
Remove HTML Tags from an NSString on the iPhone http://stackoverflow.com/questions/277055/remove-html-tags-from-an-nsstring-on-the-iphone solution to this One suggestion has been to simply look for opening and closing tag characters this method won't work except for very trivial cases. For example these cases from the Perl Cookbook chapter on the same subject would break this method..
http://stackoverflow.com/questions/3245733/apple-gyroscope-sample-code about gyroscope or any tutorial about integrating gyroscope with openGL... I searched google i didn't find anything except core motion guide and event handling guide . Updated Please let me know if any sample available.. iphone cocoa touch ios4..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework this question I just got the FFT code working for an iPhone project create a new project delete all the files except for main.m and xxx_info.plist going to project settings and search for pch and stop it from trying to load a .pch seeing..
Objective-c iPhone percent encode a string? http://stackoverflow.com/questions/3423545/objective-c-iphone-percent-encode-a-string only lets you say which specific characters you want to escape. The proper specification is to escape all characters except a small set. To fix this I created an NSString category method to properly encode a string. It will percent encoding everything..
What does this ^ syntax mean in Objective-C? http://stackoverflow.com/questions/3499186/what-does-this-syntax-mean-in-objective-c
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints calayer share improve this question I have build such kind of application using approximatively the same approach except I cache the generated image on the disk and always generate two to three images in advance in a separate thread. I don't..
http://stackoverflow.com/questions/4168327/what-is-nszombie
Record and play audio Simultaneously http://stackoverflow.com/questions/4215180/record-and-play-audio-simultaneously c core audio audio recording share improve this question You can play and record simultaneously on iOS devices except the 1st gen Touch using either the Audio Unit RemoteIO or the Audio Queue API. These are lower level APIs where you have..
Rendering to non-power-of-two texture on iPhone http://stackoverflow.com/questions/4760174/rendering-to-non-power-of-two-texture-on-iphone cube map and 3D textures if supported. There is no additional procedural or enumerant API introduced by this extension except that an implementation which exports the extension string will allow an application to pass in 2D texture dimensions that..
Xcode 4: create IPA file instead of .xcarchive http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive so it merely disables the option. A way to solve this is as follows go through build settings for each of the targets except the application target and set Skip Install flag to YES. Then do the Product Archive tango once again and go to the Organizer..
iOS: How to store username/password within an app? http://stackoverflow.com/questions/6972092/ios-how-to-store-username-password-within-an-app be cleared then. But IN my app I need this username password for database querys for the user. So Where to store data except the NSUserDefaults This place can should be deleted when the user quit the app or logout . iphone ios data nsuserdefaults..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now reinstalls and apps if the hashing is done in the same way . Anyways nowadays 2013 this isn't necessary any more except if you need a stable device identifier on iOS 6.0. Edit 4 In iOS 7 Apple now always returns a fixed value when querying..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud everytime the image data is needed. As you can imagine if you only need the image data once you've won nothing here except to have a cached version of the image hanging around and likely for longer than you need it. However if you do have a large..
how to create iphone's wobbling icon effect? http://stackoverflow.com/questions/929364/how-to-create-iphones-wobbling-icon-effect because it jumps to the from position and doesn't interpolate back. CAKeyframeAnimation seems like the solution except that I can't get it to work. I must be missing something. Here's my code using the CAKeyframeAnimation which doesn't work..
How do you optionally use iPhone OS 3.0 features in a 2.0 compatible app? http://stackoverflow.com/questions/986589/how-do-you-optionally-use-iphone-os-3-0-features-in-a-2-0-compatible-app MapKit . I found it quite cumbersome since I had to trick the compiler linker to use the 2.0 SDK with all code except the one which uses MapKit. Has anybody more experience with this What are you doing to make it compile link. Has anybody..
Description of initWithNibName, awakeFromNib and viewDidLoad? http://stackoverflow.com/questions/1240010/description-of-initwithnibname-awakefromnib-and-viewdidload initWithNibName says The designated initializer. Override to perform setup that is required before the view is loaded. Except that this method never seems to be called I'm using IB to set up the View Controller . So should I use awakeFromNib or viewDidLoad..
Need content in UIWebView to display quickly http://stackoverflow.com/questions/1246420/need-content-in-uiwebview-to-display-quickly sample app as it may be relevant to their work https developer.apple.com iphone library samplecode URLCache index.html Except having just looked at it now it says This application does not use a NSURLCache disk or memory cache so our cache policy..
iCloud NSUbiquitousKeyValueStore initial sync/access delay - how to handle? http://stackoverflow.com/questions/12539266/icloud-nsubiquitouskeyvaluestore-initial-sync-access-delay-how-to-handle to make more clear removed my engine related code. Still if you remove MySystem ... calls it works pretty well. Except that I mentioned before. class CloudHelper public static bool init static void deInit save our data to iCloud with static..
Get tableView:heightForRowAtIndexPath: to happen after tableView:cellForRowAtIndexPath:? http://stackoverflow.com/questions/1352801/get-tableviewheightforrowatindexpath-to-happen-after-tableviewcellforrowatind NSIndexPath indexPath if indexPath.section SPECIAL_SECTION return self.specialRowHeight else return 44 Except that seems to be getting called before the tableView cellForRowAtIndexPath bit so it's always zero. Is there a way around..
xcode - How do I keep views locked into portrait mode, but still allow one view to rotate? http://stackoverflow.com/questions/15110838/xcode-how-do-i-keep-views-locked-into-portrait-mode-but-still-allow-one-view I keep views locked into portrait mode but still allow one view to rotate I'm having a problem with device rotation. Except for ONE view where I show a company splash screen I want to lock all the remaining app views into Portrait display. In the..
When to use restoreCompletedTransactions for in-app purchases? http://stackoverflow.com/questions/1757467/when-to-use-restorecompletedtransactions-for-in-app-purchases time the app launches just to be safe and basically get back transactions I already know about 99.9 of the time. Except for in app purchasing my app doesn't really require any network connectivity. Notes Apple documentation clarifies that customers..
iPhone Title and Subtitle in Navigation Bar http://stackoverflow.com/questions/2817181/iphone-title-and-subtitle-in-navigation-bar UILabel class titleView.text headerTitle subtitleView.text headerSubtitle Things work beautifully thanks. Except that when rotating the iPhone to Landscape the title subtitle don't downsize in an automatic manner like the default title..
Weak linking on iPhone refuses to work http://stackoverflow.com/questions/3002833/weak-linking-on-iphone-refuses-to-work that will work fine because the dynamic linker will evaluate UIApplicationDidEnterBackgroundNotification to NULL . Except that it doesn't. The application compiles but as soon as it hits if UIApplicationDidEnterBackgroundNotification NULL it..
What is common case for @dynamic usage? http://stackoverflow.com/questions/4524954/what-is-common-case-for-dynamic-usage is that in this NSManagedObject case what is the rough implementation of getter setter in super class NSManagedObject Except above case how many other cases to use @dynamic Thanks iphone dynamic properties nsmanagedobject synthesizer share improve..
I want To track The Speed Of the fingure movement in pixel Per Second Is It Possible Any WaY? http://stackoverflow.com/questions/5075291/i-want-to-track-the-speed-of-the-fingure-movement-in-pixel-per-second-is-it-poss Is It Possible Any WaY I want to track The speed Of the Touch moved in pixel Second Any Budy Having idea For This Except the PanGesture Method iphone iphone sdk 3.0 touch uitouch share improve this question I'll assume you want to know..
Any API to share data between two iphones/ipod touches/ipads? (Except GameKit) http://stackoverflow.com/questions/5584348/any-api-to-share-data-between-two-iphones-ipod-touches-ipads-except-gamekit API to share data between two iphones ipod touches ipads Except GameKit is there any framework api to easily to find other devices and share data between them Not gamekit please. And..
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 NSURL URLWithString NSString stringWithFormat @ http maps.google.com maps saddr @ daddr @ myLatLong latlong Except with something to invoke the current location bookmark in place of myLatLong . iphone ios maps share improve this question..
http://stackoverflow.com/questions/9139619/arc-circular-retain-detection detection I ported some old code over to Objective C ARC Automatic Reference Counting and it seems to work great. Except a rather large high level object is not being deallocated when it is popped off of my navigation stack making me believe..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert requestWithURL url NSURLConnection sendSynchronousRequest urlRequest returningResponse nil error error Except it gives an error if the cert is a self signed one Error Domain NSURLErrorDomain Code 1202 UserInfo 0xd29930 untrusted server..
iPhone: UIImage imageNamed doesn't show the image http://stackoverflow.com/questions/9698583/iphone-uiimage-imagenamed-doesnt-show-the-image show the image Hi I am trying to use the attached image in an UITableView cell. Images are in application bundle. Except this image and few images other images are showing fine in the cell. I couldn't find whats the reason to not showing this..
idleTimerDisabled not working since iPhone 3.0 http://stackoverflow.com/questions/1058717/idletimerdisabled-not-working-since-iphone-3-0 app uses the MPMediaPLayer. We also had the idleTimerDisabled YES code in the ApplicationFinishedLaunching which works EXCEPT if untethered and there is already a current NowPlayingItem which is left playing or unpaused if paused at app startup ...
Properly displaying and dismissing fullscreen MPMoviePlayerController in iOS 3.2 (iPad) http://stackoverflow.com/questions/3239231/properly-displaying-and-dismissing-fullscreen-mpmovieplayercontroller-in-ios-3-2 I've posted my code below void startPlayingMovieWithURLString NSString movieURLString I get all of these callbacks EXCEPT the willExitFullScreen callback. NSNotificationCenter defaultCenter addObserver self selector @selector willEnterFullScreen..
Objective-c iPhone percent encode a string? http://stackoverflow.com/questions/3423545/objective-c-iphone-percent-encode-a-string To fix this I created an NSString category method to properly encode a string. It will percent encoding everything EXCEPT a zA Z0 9. _~ and will also encode spaces as according to this specification . It will also properly handle encoding unicode..
http://stackoverflow.com/questions/3924871/iphone-url-encoding-problem stringByAddingPercentEscapesUsingEncoding NSASCIIStringEncoding That's what I have and it works for all the characters EXCEPT the ' '. This does not get converted to 3D. Has anyone else ever had this problem before Am I specifying the wrong encoding..
Is there a way to prevent the keyboard from dismissing? http://stackoverflow.com/questions/6006017/is-there-a-way-to-prevent-the-keyboard-from-dismissing to keep the keyboard up even if the user presses the Done button on the keyboard or taps anywhere else on the screen EXCEPT for that pesky keyboard down button on the bottom right of the keyboard. I am using this view like a modal view though the..
Does Key Value Observing Work on UITextView's Text Property? http://stackoverflow.com/questions/6333600/does-key-value-observing-work-on-uitextviews-text-property a UITextView. ALL the rest of the fields are successfully observed by my core data object subclass of NSMangedObject EXCEPT for the UITextView. I can post code if needed. Posted Code UITableViewCell tableView UITableView tableView cellForRowAtIndexPath..
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