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2014/10/15 ¤U¤È 10:09:36
iphone Programming Glossary: givenRetrieving a pixel alpha value for a UIImage http://stackoverflow.com/questions/1042830/retrieving-a-pixel-alpha-value-for-a-uiimage 0 0 width height image CGContextRelease context I then calculate the array index for the given alpha channel using the coordinates from the UIImageView. int byteIndex bytesPerRow uiViewPoint.y uiViewPoint.x..
http://stackoverflow.com/questions/1166444/mkmapview-zoom-and-region of Google's numeric zoom levels you could reverse engineer the span sizes that Google uses for a given zoom level and create a span accordingly. Google describes their view regions in the same way that MKMapView..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos A UIImage does not encapsulate the meta information so we're stuck for sure no EXIF info will be given through this interface. FINAL UPDATE Ok I managed to get it working at least to geotag properly pictures..
How can I upload a photo to a server with the iPhone? http://stackoverflow.com/questions/125306/how-can-i-upload-a-photo-to-a-server-with-the-iphone @end Uploader @implementation EPUploader Private Uploader Private upload Uploads the given file. The file is compressed before beign uploaded. The data is uploaded using an HTTP POST command... setHTTPBody postData return urlRequest Uploader Private compress Uses zlib to compress the given data. Results The compressed data as a NSData object. Side effects None NSData compress NSData..
Programmatically Request Access to Contacts http://stackoverflow.com/questions/12648244/programmatically-request-access-to-contacts if ABAddressBookGetAuthorizationStatus kABAuthorizationStatusAuthorized The user has previously given access add the contact self _addContactToAddressBook else The user has previously denied access Send..
Use CoreData or SQLite on iPhone? [closed] http://stackoverflow.com/questions/1318467/use-coredata-or-sqlite-on-iphone significant performance benefits particularly on the iPhone. Even though it seems counterintuitive given how much overhead you'd think the framework has in most cases you can beat the performance of hand tuned..
Custom animation for pushing a UIViewController http://stackoverflow.com/questions/1406037/custom-animation-for-pushing-a-uiviewcontroller I would like to achieve something like an expand animation that means the new view expands from a given rectangle lets say 100 100 220 380 during the animation to full screen. Any suggestions where to start..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone the UIImage data into a bitmap representation in which I could extract this information for a given pixel A working code sample would be most appreciated and note that I am not concerned with the alpha..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention local variable should be accessed without a setter getter property and thus they are ALL private given that why not name them in a way easier to read and use autocomplete on Any overlap in names from parameters..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults how to implement it help would be appreciated Thank you EDIT Alright so I worked with the code given below Thank you but I'm still having some issues. Basically the code crashes now and I'm not sure why..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework frequencies from FFT Bins using phase change between frames to get the precise frequency for a given bin. Ok Now onto the code Note the 'ip' in vDSP_fft_zrip ' in place ' ie output overwrites A 'r' means..
Gesture recognizer and button actions http://stackoverflow.com/questions/4825199/gesture-recognizer-and-button-actions I thought that the responder chain hierarchy will make sure that the button touch event will be given preference and it WILL get triggered What am i missing Here's some related code #pragma mark #pragma..
Getting a list of files in a directory with a glob http://stackoverflow.com/questions/499673/getting-a-list-of-files-in-a-directory-with-a-glob with a glob For some crazy reason I can't find a way to get a list of files with a glob for a given directory. I'm currently stuck with something along the lines of NSString bundleRoot NSBundle mainBundle..
How to Sync iPhone Core Data with web server, and then push to other devices? http://stackoverflow.com/questions/5035132/how-to-sync-iphone-core-data-with-web-server-and-then-push-to-other-devices EDIT The Objective C framework called ZSync and developed by Marcus Zarra has been deprecated given that iCloud supports core data synchronization. Well in theory... as of this writing June 13 2012 iCloud..
iPhone different between self and normal variable http://stackoverflow.com/questions/536388/iphone-different-between-self-and-normal-variable tells the compiler to generate accessors for your member variables according to the specifications given in the @property directive in your .h file. I.e. if you specify retain the setter will retain the variable..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers left on the web. It includes lecture notes assignments and sample code and since the course was given by Apple dev's I definitely consider it to be from the horse's mouth . Class Website http www.stanford.edu..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c memory is freed by the system. The basic way this differs from malloc and free is that any given object doesn't need to worry about other parts of the system crashing because you've freed memory they..
http://stackoverflow.com/questions/6896029/re-sign-ipa-iphone not in iTunes and it tells me simply that it couldn't install the app. No more information is given. I've found some information http www.ketzler.de 2011 01 resign an iphone app insert new bundle id and..
Custom UINavigationBar Background http://stackoverflow.com/questions/704558/custom-uinavigationbar-background thread.jspa threadID 1649012 tstart 0 But am not sure how to implement the code snippet that is given. Is the code implemented as a new class Also where do I instatiate the NavigationController as I have..
Retrieving a pixel alpha value for a UIImage http://stackoverflow.com/questions/1042830/retrieving-a-pixel-alpha-value-for-a-uiimage CGColorSpaceRelease colorSpace CGContextDrawImage context CGRectMake 0 0 width height image CGContextRelease context I then calculate the array index for the given alpha channel using the coordinates from the UIImageView. int byteIndex bytesPerRow uiViewPoint.y uiViewPoint.x bytesPerPixel unsigned char alpha rawData byteIndex..
http://stackoverflow.com/questions/1166444/mkmapview-zoom-and-region an appropriately sized MKCoordinateSpan. As an approximation of Google's numeric zoom levels you could reverse engineer the span sizes that Google uses for a given zoom level and create a span accordingly. Google describes their view regions in the same way that MKMapView does as a center span so you can pull these values..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos 2 Answer here iPhone access location information from a photo A UIImage does not encapsulate the meta information so we're stuck for sure no EXIF info will be given through this interface. FINAL UPDATE Ok I managed to get it working at least to geotag properly pictures returned by the picker. Before triggering the UIImagePickerController..
How can I upload a photo to a server with the iPhone? http://stackoverflow.com/questions/125306/how-can-i-upload-a-photo-to-a-server-with-the-iphone file. Side effects None NSString filePath return filePath @end Uploader @implementation EPUploader Private Uploader Private upload Uploads the given file. The file is compressed before beign uploaded. The data is uploaded using an HTTP POST command. Results None Side effects None void upload NSData data.. n boundry dataUsingEncoding NSUTF8StringEncoding urlRequest setHTTPBody postData return urlRequest Uploader Private compress Uses zlib to compress the given data. Results The compressed data as a NSData object. Side effects None NSData compress NSData data IN if data data length 0 return nil zlib compress doc says..
Programmatically Request Access to Contacts http://stackoverflow.com/questions/12648244/programmatically-request-access-to-contacts an alert telling user the contact could not be added else if ABAddressBookGetAuthorizationStatus kABAuthorizationStatusAuthorized The user has previously given access add the contact self _addContactToAddressBook else The user has previously denied access Send an alert telling user to change privacy setting in settings..
Use CoreData or SQLite on iPhone? [closed] http://stackoverflow.com/questions/1318467/use-coredata-or-sqlite-on-iphone support almost for free with it. It also provides some very significant performance benefits particularly on the iPhone. Even though it seems counterintuitive given how much overhead you'd think the framework has in most cases you can beat the performance of hand tuned SQLite using Core Data. On the iPhone it does a great job..
Custom animation for pushing a UIViewController http://stackoverflow.com/questions/1406037/custom-animation-for-pushing-a-uiviewcontroller to show a custom animation when pushing a view controller I would like to achieve something like an expand animation that means the new view expands from a given rectangle lets say 100 100 220 380 during the animation to full screen. Any suggestions where to start respectively any documents tutorials links Alright. I could..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone the UIImage is the easy part but is there a way to convert the UIImage data into a bitmap representation in which I could extract this information for a given pixel A working code sample would be most appreciated and note that I am not concerned with the alpha value. iphone cocoa touch image bitmap share improve this..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention _ is a good indicator of private . My take is that NO class local variable should be accessed without a setter getter property and thus they are ALL private given that why not name them in a way easier to read and use autocomplete on Any overlap in names from parameters is quickly revealed by the compiler and avoided through..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults to encode my custom object and then put it in but I'm not sure how to implement it help would be appreciated Thank you EDIT Alright so I worked with the code given below Thank you but I'm still having some issues. Basically the code crashes now and I'm not sure why because it doesn't give any errors. Perhaps I'm missing something..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework enough granularity. There is a cunning trick Extracting precise frequencies from FFT Bins using phase change between frames to get the precise frequency for a given bin. Ok Now onto the code Note the 'ip' in vDSP_fft_zrip ' in place ' ie output overwrites A 'r' means it takes real inputs Look at the documentation on vDSP_fft_zrip..
Gesture recognizer and button actions http://stackoverflow.com/questions/4825199/gesture-recognizer-and-button-actions the button's Touch Up Inside event. How can i make it work I thought that the responder chain hierarchy will make sure that the button touch event will be given preference and it WILL get triggered What am i missing Here's some related code #pragma mark #pragma mark View lifecycle Gesture recognizer setup void viewDidLoad..
Getting a list of files in a directory with a glob http://stackoverflow.com/questions/499673/getting-a-list-of-files-in-a-directory-with-a-glob a list of files in a directory with a glob For some crazy reason I can't find a way to get a list of files with a glob for a given directory. I'm currently stuck with something along the lines of NSString bundleRoot NSBundle mainBundle bundlePath NSArray dirContents NSFileManager defaultManager..
How to Sync iPhone Core Data with web server, and then push to other devices? http://stackoverflow.com/questions/5035132/how-to-sync-iphone-core-data-with-web-server-and-then-push-to-other-devices strategy but requires more effort to be implemented correctly. EDIT The Objective C framework called ZSync and developed by Marcus Zarra has been deprecated given that iCloud supports core data synchronization. Well in theory... as of this writing June 13 2012 iCloud support for core data syncing is buggy and totally useless...
iPhone different between self and normal variable http://stackoverflow.com/questions/536388/iphone-different-between-self-and-normal-variable share improve this question The @synthesize directive tells the compiler to generate accessors for your member variables according to the specifications given in the @property directive in your .h file. I.e. if you specify retain the setter will retain the variable and if you specify copy it will copy it. The accessors..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers I'm using is Stanford's CS193P class notes that they have left on the web. It includes lecture notes assignments and sample code and since the course was given by Apple dev's I definitely consider it to be from the horse's mouth . Class Website http www.stanford.edu class cs193p cgi bin index.php Lecture 08 is related..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c calling release the reference count is now zero then that object's memory is freed by the system. The basic way this differs from malloc and free is that any given object doesn't need to worry about other parts of the system crashing because you've freed memory they were using. Assuming everyone is playing along and retaining..
http://stackoverflow.com/questions/6896029/re-sign-ipa-iphone it's a Enterprise build . The error message is on the device not in iTunes and it tells me simply that it couldn't install the app. No more information is given. I've found some information http www.ketzler.de 2011 01 resign an iphone app insert new bundle id and send to xcode organizer for upload And this might be possible...
Custom UINavigationBar Background http://stackoverflow.com/questions/704558/custom-uinavigationbar-background struggling. I found this thread http discussions.apple.com thread.jspa threadID 1649012 tstart 0 But am not sure how to implement the code snippet that is given. Is the code implemented as a new class Also where do I instatiate the NavigationController as I have an application built with the NavigationView template so it..
Retrieving a pixel alpha value for a UIImage http://stackoverflow.com/questions/1042830/retrieving-a-pixel-alpha-value-for-a-uiimage context CGRectMake 0 0 width height image CGContextRelease context I then calculate the array index for the given alpha channel using the coordinates from the UIImageView. int byteIndex bytesPerRow uiViewPoint.y uiViewPoint.x bytesPerPixel..
http://stackoverflow.com/questions/1166444/mkmapview-zoom-and-region As an approximation of Google's numeric zoom levels you could reverse engineer the span sizes that Google uses for a given zoom level and create a span accordingly. Google describes their view regions in the same way that MKMapView does as a center..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos from a photo A UIImage does not encapsulate the meta information so we're stuck for sure no EXIF info will be given through this interface. FINAL UPDATE Ok I managed to get it working at least to geotag properly pictures returned by the..
How can I upload a photo to a server with the iPhone? http://stackoverflow.com/questions/125306/how-can-i-upload-a-photo-to-a-server-with-the-iphone filePath return filePath @end Uploader @implementation EPUploader Private Uploader Private upload Uploads the given file. The file is compressed before beign uploaded. The data is uploaded using an HTTP POST command. Results None Side effects.. urlRequest setHTTPBody postData return urlRequest Uploader Private compress Uses zlib to compress the given data. Results The compressed data as a NSData object. Side effects None NSData compress NSData data IN if data data..
Programmatically Request Access to Contacts http://stackoverflow.com/questions/12648244/programmatically-request-access-to-contacts not be added else if ABAddressBookGetAuthorizationStatus kABAuthorizationStatusAuthorized The user has previously given access add the contact self _addContactToAddressBook else The user has previously denied access Send an alert telling user..
Use CoreData or SQLite on iPhone? [closed] http://stackoverflow.com/questions/1318467/use-coredata-or-sqlite-on-iphone provides some very significant performance benefits particularly on the iPhone. Even though it seems counterintuitive given how much overhead you'd think the framework has in most cases you can beat the performance of hand tuned SQLite using Core..
Custom animation for pushing a UIViewController http://stackoverflow.com/questions/1406037/custom-animation-for-pushing-a-uiviewcontroller a view controller I would like to achieve something like an expand animation that means the new view expands from a given rectangle lets say 100 100 220 380 during the animation to full screen. Any suggestions where to start respectively any..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone there a way to convert the UIImage data into a bitmap representation in which I could extract this information for a given pixel A working code sample would be most appreciated and note that I am not concerned with the alpha value. iphone cocoa..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention take is that NO class local variable should be accessed without a setter getter property and thus they are ALL private given that why not name them in a way easier to read and use autocomplete on Any overlap in names from parameters is quickly revealed..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults it in but I'm not sure how to implement it help would be appreciated Thank you EDIT Alright so I worked with the code given below Thank you but I'm still having some issues. Basically the code crashes now and I'm not sure why because it doesn't..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework Extracting precise frequencies from FFT Bins using phase change between frames to get the precise frequency for a given bin. Ok Now onto the code Note the 'ip' in vDSP_fft_zrip ' in place ' ie output overwrites A 'r' means it takes real inputs..
Gesture recognizer and button actions http://stackoverflow.com/questions/4825199/gesture-recognizer-and-button-actions How can i make it work I thought that the responder chain hierarchy will make sure that the button touch event will be given preference and it WILL get triggered What am i missing Here's some related code #pragma mark #pragma mark View lifecycle..
Getting a list of files in a directory with a glob http://stackoverflow.com/questions/499673/getting-a-list-of-files-in-a-directory-with-a-glob of files in a directory with a glob For some crazy reason I can't find a way to get a list of files with a glob for a given directory. I'm currently stuck with something along the lines of NSString bundleRoot NSBundle mainBundle bundlePath NSArray..
How to Sync iPhone Core Data with web server, and then push to other devices? http://stackoverflow.com/questions/5035132/how-to-sync-iphone-core-data-with-web-server-and-then-push-to-other-devices implemented correctly. EDIT The Objective C framework called ZSync and developed by Marcus Zarra has been deprecated given that iCloud supports core data synchronization. Well in theory... as of this writing June 13 2012 iCloud support for core..
iPhone different between self and normal variable http://stackoverflow.com/questions/536388/iphone-different-between-self-and-normal-variable directive tells the compiler to generate accessors for your member variables according to the specifications given in the @property directive in your .h file. I.e. if you specify retain the setter will retain the variable and if you specify..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers notes that they have left on the web. It includes lecture notes assignments and sample code and since the course was given by Apple dev's I definitely consider it to be from the horse's mouth . Class Website http www.stanford.edu class cs193p..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c now zero then that object's memory is freed by the system. The basic way this differs from malloc and free is that any given object doesn't need to worry about other parts of the system crashing because you've freed memory they were using. Assuming..
http://stackoverflow.com/questions/6896029/re-sign-ipa-iphone message is on the device not in iTunes and it tells me simply that it couldn't install the app. No more information is given. I've found some information http www.ketzler.de 2011 01 resign an iphone app insert new bundle id and send to xcode organizer..
Custom UINavigationBar Background http://stackoverflow.com/questions/704558/custom-uinavigationbar-background discussions.apple.com thread.jspa threadID 1649012 tstart 0 But am not sure how to implement the code snippet that is given. Is the code implemented as a new class Also where do I instatiate the NavigationController as I have an application built..
Fuzzy Date algorithm in Objective-C http://stackoverflow.com/questions/1052951/fuzzy-date-algorithm-in-objective-c NSTimeInterval which is a typedef for a double which is representative of the number of seconds between the two dates. Given this it would be fairly simple to adapt the code you have given above to an Objective C Cocoa context. Since the delta calculated..
How does the iOS app Display Recorder record the screen without using private API? http://stackoverflow.com/questions/11090184/how-does-the-ios-app-display-recorder-record-the-screen-without-using-private-ap iOS app Display Recorder claims to be able to record the screen of an iOS device even while it is in the background. Given that UIGetScreenImage is private API and will lead to a rejection on application submission when detected by the static..
Forward geocoding from the iPhone http://stackoverflow.com/questions/1140404/forward-geocoding-from-the-iphone geocoding from the iPhone Given that the mapkit doesn't provide forward geocoding functionality today can anyone provide help on how I can i use a search..
Iphone SDK Utility Application template has leak http://stackoverflow.com/questions/1250666/iphone-sdk-utility-application-template-has-leak a leak but some bookkeeping information that is being stashed away by dyld that leaks Instruments loses track of. Given that it is 128 bytes and I'm guessing there is only one of them I would encourage you to file a bug via http bugreport.apple.com..
Drag UIView around Shape Comprised of CGMutablePaths http://stackoverflow.com/questions/13664615/drag-uiview-around-shape-comprised-of-cgmutablepaths oval shape but that's boring. Let's do it with a figure 8. It'll look like this when we're done So how do we do this Given an arbitrary point finding the nearest point on a Bezier spline is rather complicated. Let's do it by brute force. We'll..
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone UTF8String printf s n NSString alloc initWithData plain encoding NSUTF8StringEncoding UTF8String pool drain return 0 Given this code and the fact that encrypted data will not always translate nicely into an NSString it may be more convenient to..
Communication between view controllers http://stackoverflow.com/questions/1880033/communication-between-view-controllers between view controllers Given the section of an application which has a UINavigationController and 2 levels of UITableViews i.e. a row is selected on..
http://stackoverflow.com/questions/2035421/creating-nsdecimal a lot of changes occur in the low level NSDecimal functions but I'd be nervous about things breaking at some point. Given that initializing an NSDecimal from a floating point number is best done in the way that you describe. However be aware..
Why am I crashing after MKMapView is freed if I'm no longer using it? http://stackoverflow.com/questions/2188098/why-am-i-crashing-after-mkmapview-is-freed-if-im-no-longer-using-it you dispose of the map view. Edit Give Oscar an upvote as well just below who provided the documentation quote here. Given ARC I suggest this means you should set your map view's delegate to nil in your view controller's dealloc . share improve..
iPhone app rejection for using ICU (Unicode extensions) http://stackoverflow.com/questions/2427838/iphone-app-rejection-for-using-icu-unicode-extensions email address you were given explaining that you are using a custom SQLite build which references the ICU framework. Given that this is a standard third party framework I would argue that these are not Apple's private APIs that you are using...
drawRect not being called in my subclass of UIImageView http://stackoverflow.com/questions/2612152/drawrect-not-being-called-in-my-subclass-of-uiimageview If your subclass needs custom drawing code it is recommended you use UIView as the base class. So there you have it. Given how easy it is to draw an image into your view using UIImage drawInRect or by using CALayer there's probably no good reason..
iPad/iPhone browser crashing when loading images in Javascript http://stackoverflow.com/questions/2986039/ipad-iphone-browser-crashing-when-loading-images-in-javascript enough with everyone else hitting up against the same limit that I've ruled out my Javascript code as the culprit. Given that you can stream much more than a few MB in a element or through the in browser media player this limit seems unnecessary..
Method for animating images (like a movie) on iPhone without using MPMoviePlayer http://stackoverflow.com/questions/442076/method-for-animating-images-like-a-movie-on-iphone-without-using-mpmovieplayer like a movie on iPhone without using MPMoviePlayer I need to be able to display an animation over a static image. Given that MPMoviePlayer gives you no control over anything useful the only way I can think to do this is to use multiple static..
Iphone - when to calculate heightForRowAtIndexPath for a tableview when each cell height is dynamic? http://stackoverflow.com/questions/4823197/iphone-when-to-calculate-heightforrowatindexpath-for-a-tableview-when-each-cel or can be cheaper if you code it right to calculate the height of a row than it is to build and populate a whole cell. Given that in many tables the height of every cell will be identical it is often vastly cheaper. And another part of the reason..
iPhone — How to find topmost view controller http://stackoverflow.com/questions/6131205/iphone-how-to-find-topmost-view-controller controller the one responsible for the current view but haven't found a way to do it. Basically the challenge is this Given that one is executing in a class that is not a view controller or a view and does not have the address of an active view..
How to disable iOS System Sounds http://stackoverflow.com/questions/6284402/how-to-disable-ios-system-sounds this class without directly referencing it. Apple prohibits using private API's so that alone makes this a bad idea. Given my circumstance I think they may make an exception BUT I will likely abandon this course since after taking it I realized..
UIScrollView : paging horizontally, scrolling vertically? http://stackoverflow.com/questions/728014/uiscrollview-paging-horizontally-scrolling-vertically event later. It has an unfair advantage of using unpublished APIs so can clone touch objects before they are mutated. Given that you always forward touchesBegan you also have to forward touchesCancelled and touchesEnded . You have to turn touchesEnded..
Most efficient way to draw part of an image in iOS http://stackoverflow.com/questions/8035673/most-efficient-way-to-draw-part-of-an-image-in-ios efficient way to draw part of an image in iOS Given an UIImage and a CGRect what is the most efficient way in memory and time to draw the part of the image corresponding to..
ASIHTTPRequest vs AFNetworking framework http://stackoverflow.com/questions/8636418/asihttprequest-vs-afnetworking-framework for handling things like OAuth Amazon S3 and the like. It's so popular that there's several books available on it. Given this there's no reason at all to keep using ASIHTTPRequest . My original answer is below so if you're still interested do.. I think if you're starting afresh now is the time to move on to something else. Even the developer of ASI thinks so . Given all of the changes that have come with iOS 5 I think a modern actively maintained framework like AFNetworking and there..
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