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2014/10/15 ¤U¤È 10:11:10
iphone Programming Glossary: lookHTML character decoding in Objective-C / Cocoa Touch http://stackoverflow.com/questions/1105169/html-character-decoding-in-objective-c-cocoa-touch C HTML escape unescape but it doesn't work for me. My encoded characters come from a RSS feed btw look like this #038 I searched all over the net and found related discussions but no fix for my particular..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution resizing masks properly. If you didn't adjust your view layouts with proper auto resizing masks or look into Auto Layout if you only want to support iOS 6 going forward. If there is something you have to.. 6 going forward. If there is something you have to do for the larger screen specifically then it looks like you have to check height of UIScreen mainScreen bounds or applicationFrame but then you need to.. screen else code for 3.5 inch screen Also note The auto rotation API has changed completely take a look at that as well if your application supports any rotation other than default. share improve this answer..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size You could also select this image from within Xcode. Go to the target and under the Summary section look for Launch Images. The image has to be 640x1136 pixels in size. Here's a screenshot of where to find..
http://stackoverflow.com/questions/1388467/reading-epub-format a bunch of different specifications formats one to say what the content of the book should look like a subset of XHTML 1.1 CSS one to define a manifest that lists all of the files that make up that.. is packaged up OEBPS a zip file of everything in the manifest plus a few extra files The specs look a bit daunting but actually once you've got the basics unzipping parsing XML down it's not particularly..
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript say window.location fake myApp something_happened param1 param2 param3 In your delegate method look for these fake URLs extract the information you need take whatever action is appropriate and return..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language returned to any code in your application that is performing localization. The code for this would look something like NSUserDefaults standardUserDefaults setObject NSArray arrayWithObjects @ de @ en @ fr..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie like I want. Thx iphone export uiimage avfoundation share improve this question Take a look at AVAssetWriter and the rest of the AVFoundation framework . The writer has an input of type AVAssetWriterInput..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone that this uses blocks which were new to me before I started my iOS4 porting but you might like to look at http www.mikeash.com pyblog friday qa 2008 12 26.html and http developer.apple.com library ios #documentation..
Gradients on UIView and UILabels On iPhone [duplicate] http://stackoverflow.com/questions/422066/gradients-on-uiview-and-uilabels-on-iphone ground must be a gradient as opposed to a true color. Using a graphics program to create desired look is no good as the text may vary depending on data returned from a server. Does anyone know the quickest..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content of the lines in the text view so that I can adjust the parent view accordingly As another example look at the Notes field for events in the Calendar application note how the cell and the UITextView it contains..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers Give that we can only have one delegate set at a time in an object what would the implementation look like for when the lecturer says Define a generic interface for observers like delegation . A pseudocode.. navigation controller. For an example of how to do this visually using Interface Builder take a look at this tutorial . Third and perhaps most importantly note that the best practices mentioned in the.. the dependency injection design pattern. In a nutshell this means that your controller shouldn't look up the objects it needs to do its job e.g. reference a global variable . Instead you should always inject..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop to hold my hand Every code example I have found so far seems to smash the image be upside down look like crap draw out of bounds or otherwise just not work correctly. Thank you SO much for your help...
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c below. 2 A Formal Protocol The newer option is to declare a formal protocol. The declaration would look like this @protocol NSWindowNotifications NSObject @optional void windowDidMove NSNotification notification..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c reference counting with Cocoa and Objective C I'm just beginning to have a look at Objective C and Cocoa with a view to playing with the iPhone SDK. I'm reasonably comfortable with..
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 Not too bad in onsies twosies but I'm dealing with about ten different apps and the first one I look at has 43 instances of this scenario. So any clever ideas for a macro overridden class whatever to minimize.. there was some conflict with the static declared in the subclass and added the extra NSLog. But look what that NSLog prints 2011 07 15 16 35 24.322 DemoApp 214 307 Category's locale __NSCFLocale 0x160550..
Is there a good charting library for iPhone? [closed] http://stackoverflow.com/questions/769749/is-there-a-good-charting-library-for-iphone charts for now but more types may be needed later in an iPhone app I'm working on. I've done some looking around and it doesn't look like there are any really good mature charting libraries for iPhone yet... may be needed later in an iPhone app I'm working on. I've done some looking around and it doesn't look like there are any really good mature charting libraries for iPhone yet. I've also looked for something.. it doesn't look like there are any really good mature charting libraries for iPhone yet. I've also looked for something written for Cocoa on the Mac that can be adapted but haven't found anything great yet...
Is there a barcode recognition framework for iOS? http://stackoverflow.com/questions/838724/is-there-a-barcode-recognition-framework-for-ios QR Codes. The source code is available from the zxing project specifically you want to take a look at the iPhone client and the partial C port of the core library . The port is a little old from circa..
how to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif gets the most recent text content. Here's an example of doing a little more with the database . Look at the QuerySMS method. Also here's a link on the database format of sms.db . You can find what else..
How to implement re-ordering of CoreData records? http://stackoverflow.com/questions/1077568/how-to-implement-re-ordering-of-coredata-records its delegate are not meant to be used for user driven model changes. See the Apple reference doc . Look for User Driven Updates part. So if you look for some magical one line way there's not such sadly. What..
http://stackoverflow.com/questions/1388467/reading-epub-format and an href. Store these in an NSDictionary where the key is the id and the object is the href. b Look at the first itemref in the spine . It has an idref attribute which corresponds to one of the ids in.. first itemref in the spine . It has an idref attribute which corresponds to one of the ids in a . Look up that id in the NSDictionary and you'll get an href. c this is the the file of the first chapter to..
Custom animation for pushing a UIViewController http://stackoverflow.com/questions/1406037/custom-animation-for-pushing-a-uiviewcontroller
http://stackoverflow.com/questions/18736954/missing-recommended-icon-file-the-bundle-does-not-contain-an-app-icon-for-iph
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework 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 Real data is stored in split complex form with odd reals stored..
Play sound on iPhone even in silent mode http://stackoverflow.com/questions/3740528/play-sound-on-iphone-even-in-silent-mode
Replace multiple characters in a string in Objective-C? http://stackoverflow.com/questions/713918/replace-multiple-characters-in-a-string-in-objective-c componentsSeparatedByCharactersInSet doNotWant componentsJoinedByString @ NSLog @ @ s foobarbazfoo Look at NSScanner and NSString rangeOfCharacterFromSet ... if you want to do this a bit more efficiently...
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview iphone uiwebview share improve this question The second question is actually easier to answer. Look at the stringWithContentsOfURL encoding error method of NSString it lets you pass in a URL as an instance..
HTML character decoding in Objective-C / Cocoa Touch http://stackoverflow.com/questions/1105169/html-character-decoding-in-objective-c-cocoa-touch Objective C Cocoa Touch First of all I found this Objective C HTML escape unescape but it doesn't work for me. My encoded characters come from a RSS feed btw look like this #038 I searched all over the net and found related discussions but no fix for my particular encoding I think they are called hexadecimal characters. ..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution since everything should work magically if you had set auto resizing masks properly. If you didn't adjust your view layouts with proper auto resizing masks or look into Auto Layout if you only want to support iOS 6 going forward. If there is something you have to do for the larger screen specifically then it looks like you.. or look into Auto Layout if you only want to support iOS 6 going forward. If there is something you have to do for the larger screen specifically then it looks like you have to check height of UIScreen mainScreen bounds or applicationFrame but then you need to consider status bar height if it's present as there seems..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size
http://stackoverflow.com/questions/1388467/reading-epub-format share improve this question The EPUB format brings together a bunch of different specifications formats one to say what the content of the book should look like a subset of XHTML 1.1 CSS one to define a manifest that lists all of the files that make up that content OPF which is an XML file one to define how everything.. content OPF which is an XML file one to define how everything is packaged up OEBPS a zip file of everything in the manifest plus a few extra files The specs look a bit daunting but actually once you've got the basics unzipping parsing XML down it's not particularly difficult or complex. You'll need to work out how to download..
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript that encodes the information you want to pass to your app like say window.location fake myApp something_happened param1 param2 param3 In your delegate method look for these fake URLs extract the information you need take whatever action is appropriate and return NO to cancel the navigation. It's probably best if you defer..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language This will take precedence over the globally set value and be returned to any code in your application that is performing localization. The code for this would look something like NSUserDefaults standardUserDefaults setObject NSArray arrayWithObjects @ de @ en @ fr nil forKey @ AppleLanguages NSUserDefaults standardUserDefaults..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie someone can help me or send me a code snippet which does something like I want. Thx iphone export uiimage avfoundation share improve this question Take a look at AVAssetWriter and the rest of the AVFoundation framework . The writer has an input of type AVAssetWriterInput which in turn has a method called appendSampleBuffer..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone failureBlock failureblock A couple of things to note are that this uses blocks which were new to me before I started my iOS4 porting but you might like to look at http www.mikeash.com pyblog friday qa 2008 12 26.html and http developer.apple.com library ios #documentation Cocoa Conceptual Blocks Articles 00_Introduction.html..
Gradients on UIView and UILabels On iPhone [duplicate] http://stackoverflow.com/questions/422066/gradients-on-uiview-and-uilabels-on-iphone needs to display text in either a View or Label but the back ground must be a gradient as opposed to a true color. Using a graphics program to create desired look is no good as the text may vary depending on data returned from a server. Does anyone know the quickest way to tackle this Your thoughts are greatly appreciated...
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content a good way in Cocoa Touch to get the rect that will hold all of the lines in the text view so that I can adjust the parent view accordingly As another example look at the Notes field for events in the Calendar application note how the cell and the UITextView it contains expands to hold all lines of text in the notes string...
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers a different UIViewController what is the right way to do this Give that we can only have one delegate set at a time in an object what would the implementation look like for when the lecturer says Define a generic interface for observers like delegation . A pseudocode example would be awfully helpful here if possible. objective.. example of how to programmatically push a controller onto the navigation controller. For an example of how to do this visually using Interface Builder take a look at this tutorial . Third and perhaps most importantly note that the best practices mentioned in the Stanford presentation are much easier to understand if you think.. to understand if you think about them in the context of the dependency injection design pattern. In a nutshell this means that your controller shouldn't look up the objects it needs to do its job e.g. reference a global variable . Instead you should always inject those dependencies into the controller i.e. pass in the..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop I am trying to achieve. Would someone please be kind enough to hold my hand Every code example I have found so far seems to smash the image be upside down look like crap draw out of bounds or otherwise just not work correctly. Thank you SO much for your help. iphone ios image processing core graphics share improve this..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c libraries but new code should use the more modern approach below. 2 A Formal Protocol The newer option is to declare a formal protocol. The declaration would look like this @protocol NSWindowNotifications NSObject @optional void windowDidMove NSNotification notification ... other methods here @end This is analogous to an..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c reference counting with Cocoa and Objective C I'm just beginning to have a look at Objective C and Cocoa with a view to playing with the iPhone SDK. I'm reasonably comfortable with C's malloc and free concept but Cocoa's references counting..
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 initWithLocaleIdentifier @ en_US df setLocale loc loc release Not too bad in onsies twosies but I'm dealing with about ten different apps and the first one I look at has 43 instances of this scenario. So any clever ideas for a macro overridden class whatever to minimize the effort to change everything without making the code.. just changed the name of the static locale variable in case there was some conflict with the static declared in the subclass and added the extra NSLog. But look what that NSLog prints 2011 07 15 16 35 24.322 DemoApp 214 307 Category's locale __NSCFLocale 0x160550 en_US_POSIX 2011 07 15 16 35 24.338 DemoApp 214 307 Category's..
Is there a good charting library for iPhone? [closed] http://stackoverflow.com/questions/769749/is-there-a-good-charting-library-for-iphone closed I have a need to render and display charts bar charts for now but more types may be needed later in an iPhone app I'm working on. I've done some looking around and it doesn't look like there are any really good mature charting libraries for iPhone yet. I've also looked for something written for Cocoa on the Mac.. render and display charts bar charts for now but more types may be needed later in an iPhone app I'm working on. I've done some looking around and it doesn't look like there are any really good mature charting libraries for iPhone yet. I've also looked for something written for Cocoa on the Mac that can be adapted but haven't.. app I'm working on. I've done some looking around and it doesn't look like there are any really good mature charting libraries for iPhone yet. I've also looked for something written for Cocoa on the Mac that can be adapted but haven't found anything great yet. Anybody dealt with this before Any recommendations I did..
Is there a barcode recognition framework for iOS? http://stackoverflow.com/questions/838724/is-there-a-barcode-recognition-framework-for-ios the 'Barcodes' application for the iPhone. It can decode QR Codes. The source code is available from the zxing project specifically you want to take a look at the iPhone client and the partial C port of the core library . The port is a little old from circa the 0.9 release of the Java code but should still work reasonably..
how to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif database because of app sandboxing. My code snippet just gets the most recent text content. Here's an example of doing a little more with the database . Look at the QuerySMS method. Also here's a link on the database format of sms.db . You can find what else you need in there. Or just copy the sms.db to your computer..
How to implement re-ordering of CoreData records? http://stackoverflow.com/questions/1077568/how-to-implement-re-ordering-of-coredata-records share improve this question FetchedResultsController and its delegate are not meant to be used for user driven model changes. See the Apple reference doc . Look for User Driven Updates part. So if you look for some magical one line way there's not such sadly. What you need to is make updates in this method void tableView..
http://stackoverflow.com/questions/1388467/reading-epub-format the book is. a each item in the manifest element has an id and an href. Store these in an NSDictionary where the key is the id and the object is the href. b Look at the first itemref in the spine . It has an idref attribute which corresponds to one of the ids in a . Look up that id in the NSDictionary and you'll get an href... the key is the id and the object is the href. b Look at the first itemref in the spine . It has an idref attribute which corresponds to one of the ids in a . Look up that id in the NSDictionary and you'll get an href. c this is the the file of the first chapter to show the user. Work out what the full path is hint it's wherever..
Custom animation for pushing a UIViewController http://stackoverflow.com/questions/1406037/custom-animation-for-pushing-a-uiviewcontroller
http://stackoverflow.com/questions/18736954/missing-recommended-icon-file-the-bundle-does-not-contain-an-app-icon-for-iph
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework 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 Real data is stored in split complex form with odd reals stored on the imaginary side of the split complex form and even reals..
Play sound on iPhone even in silent mode http://stackoverflow.com/questions/3740528/play-sound-on-iphone-even-in-silent-mode
Replace multiple characters in a string in Objective-C? http://stackoverflow.com/questions/713918/replace-multiple-characters-in-a-string-in-objective-c
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview of the .NET WebClient openRead Thanks in advance html iphone uiwebview share improve this question The second question is actually easier to answer. Look at the stringWithContentsOfURL encoding error method of NSString it lets you pass in a URL as an instance of NSURL which can easily be instantiated from NSString..
HTML character decoding in Objective-C / Cocoa Touch http://stackoverflow.com/questions/1105169/html-character-decoding-in-objective-c-cocoa-touch found this Objective C HTML escape unescape but it doesn't work for me. My encoded characters come from a RSS feed btw look like this #038 I searched all over the net and found related discussions but no fix for my particular encoding I think they..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution if you had set auto resizing masks properly. If you didn't adjust your view layouts with proper auto resizing masks or look into Auto Layout if you only want to support iOS 6 going forward. If there is something you have to do for the larger screen.. want to support iOS 6 going forward. If there is something you have to do for the larger screen specifically then it looks like you have to check height of UIScreen mainScreen bounds or applicationFrame but then you need to consider status bar..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size compatibility here You could also select this image from within Xcode. Go to the target and under the Summary section look for Launch Images. The image has to be 640x1136 pixels in size. Here's a screenshot of where to find it if that helps. ..
http://stackoverflow.com/questions/1388467/reading-epub-format EPUB format brings together a bunch of different specifications formats one to say what the content of the book should look like a subset of XHTML 1.1 CSS one to define a manifest that lists all of the files that make up that content OPF which.. define how everything is packaged up OEBPS a zip file of everything in the manifest plus a few extra files The specs look a bit daunting but actually once you've got the basics unzipping parsing XML down it's not particularly difficult or complex...
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript pass to your app like say window.location fake myApp something_happened param1 param2 param3 In your delegate method look for these fake URLs extract the information you need take whatever action is appropriate and return NO to cancel the navigation...
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language set value and be returned to any code in your application that is performing localization. The code for this would look something like NSUserDefaults standardUserDefaults setObject NSArray arrayWithObjects @ de @ en @ fr nil forKey @ AppleLanguages..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie which does something like I want. Thx iphone export uiimage avfoundation share improve this question Take a look at AVAssetWriter and the rest of the AVFoundation framework . The writer has an input of type AVAssetWriterInput which in..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone things to note are that this uses blocks which were new to me before I started my iOS4 porting but you might like to look at http www.mikeash.com pyblog friday qa 2008 12 26.html and http developer.apple.com library ios #documentation Cocoa Conceptual..
Gradients on UIView and UILabels On iPhone [duplicate] http://stackoverflow.com/questions/422066/gradients-on-uiview-and-uilabels-on-iphone or Label but the back ground must be a gradient as opposed to a true color. Using a graphics program to create desired look is no good as the text may vary depending on data returned from a server. Does anyone know the quickest way to tackle this..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content that will hold all of the lines in the text view so that I can adjust the parent view accordingly As another example look at the Notes field for events in the Calendar application note how the cell and the UITextView it contains expands to hold..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop please be kind enough to hold my hand Every code example I have found so far seems to smash the image be upside down look like crap draw out of bounds or otherwise just not work correctly. Thank you SO much for your help. iphone ios image processing..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c modern approach below. 2 A Formal Protocol The newer option is to declare a formal protocol. The declaration would look like this @protocol NSWindowNotifications NSObject @optional void windowDidMove NSNotification notification ... other methods..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c reference counting with Cocoa and Objective C I'm just beginning to have a look at Objective C and Cocoa with a view to playing with the iPhone SDK. I'm reasonably comfortable with C's malloc and free..
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 loc loc release Not too bad in onsies twosies but I'm dealing with about ten different apps and the first one I look at has 43 instances of this scenario. So any clever ideas for a macro overridden class whatever to minimize the effort to.. variable in case there was some conflict with the static declared in the subclass and added the extra NSLog. But look what that NSLog prints 2011 07 15 16 35 24.322 DemoApp 214 307 Category's locale __NSCFLocale 0x160550 en_US_POSIX 2011..
Is there a good charting library for iPhone? [closed] http://stackoverflow.com/questions/769749/is-there-a-good-charting-library-for-iphone display charts bar charts for now but more types may be needed later in an iPhone app I'm working on. I've done some looking around and it doesn't look like there are any really good mature charting libraries for iPhone yet. I've also looked.. now but more types may be needed later in an iPhone app I'm working on. I've done some looking around and it doesn't look like there are any really good mature charting libraries for iPhone yet. I've also looked for something written for Cocoa.. looking around and it doesn't look like there are any really good mature charting libraries for iPhone yet. I've also looked for something written for Cocoa on the Mac that can be adapted but haven't found anything great yet. Anybody dealt with..
Is there a barcode recognition framework for iOS? http://stackoverflow.com/questions/838724/is-there-a-barcode-recognition-framework-for-ios iPhone. It can decode QR Codes. The source code is available from the zxing project specifically you want to take a look at the iPhone client and the partial C port of the core library . The port is a little old from circa the 0.9 release of..
how to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif My code snippet just gets the most recent text content. Here's an example of doing a little more with the database . Look at the QuerySMS method. Also here's a link on the database format of sms.db . You can find what else you need in there...
How to implement re-ordering of CoreData records? http://stackoverflow.com/questions/1077568/how-to-implement-re-ordering-of-coredata-records and its delegate are not meant to be used for user driven model changes. See the Apple reference doc . Look for User Driven Updates part. So if you look for some magical one line way there's not such sadly. What you need to is make..
Does an IBOutlet needs to be a property & synthesized? http://stackoverflow.com/questions/1221516/does-an-iboutlet-needs-to-be-a-property-synthesized Yourself . iphone interface builder share improve this question On Mac OS X IBOutlets are connected like this Look for a method called set OutletName . If it exists call it. If no method exists look for an instance variable named OutletName.. call object setValue outletValue forKey @ OutletName The behavior of set value for key is to do something like this Look for a method called set OutletName . If it exists call it. If no method exists look for an instance variable named OutletName.. exists look for an instance variable named OutletName set it and retain it. If you use a property you'll fall into the Look for a method called set OutletName ... case on both platforms. If you just use an instance variable then you'll have different..
http://stackoverflow.com/questions/1388467/reading-epub-format element has an id and an href. Store these in an NSDictionary where the key is the id and the object is the href. b Look at the first itemref in the spine . It has an idref attribute which corresponds to one of the ids in a . Look up that id.. href. b Look at the first itemref in the spine . It has an idref attribute which corresponds to one of the ids in a . Look up that id in the NSDictionary and you'll get an href. c this is the the file of the first chapter to show the user. Work..
Custom animation for pushing a UIViewController http://stackoverflow.com/questions/1406037/custom-animation-for-pushing-a-uiviewcontroller
http://stackoverflow.com/questions/18736954/missing-recommended-icon-file-the-bundle-does-not-contain-an-app-icon-for-iph
iPhone development on PC [duplicate] http://stackoverflow.com/questions/2261267/iphone-development-on-pc
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework 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 Real data is stored in split complex form with odd reals stored on the imaginary side..
Play sound on iPhone even in silent mode http://stackoverflow.com/questions/3740528/play-sound-on-iphone-even-in-silent-mode
How do I get my AVPlayer to play while app is in background? http://stackoverflow.com/questions/4771105/how-do-i-get-my-avplayer-to-play-while-app-is-in-background iphone ios background avplayer share improve this question Had the same problem but found a solution for this.. Look here https devforums.apple.com message 395049#395049 The content of the above link Replace APPNAME with your own app name..
http://stackoverflow.com/questions/4982277/uiview-drag-image-and-text UIView's touchesMoved withEvent method and you can get a current dragging location there and move the DraggableView. Look at the following example. void touchesMoved NSSet touches withEvent UIEvent event UITouch aTouch touches anyObject CGPoint..
pdf file text reading and searching http://stackoverflow.com/questions/5103281/pdf-file-text-reading-and-searching as string through iPhone application Thanks shyam parmar iphone xcode ipad pdf ios4 share improve this question Look at PDFKitten it's a good start it does all the glyph width analysis for you but it's not perfect either. share improve..
Replace multiple characters in a string in Objective-C? http://stackoverflow.com/questions/713918/replace-multiple-characters-in-a-string-in-objective-c @ . s s componentsSeparatedByCharactersInSet doNotWant componentsJoinedByString @ NSLog @ @ s foobarbazfoo Look at NSScanner and NSString rangeOfCharacterFromSet ... if you want to do this a bit more efficiently. share improve this..
Coredata Error “data: <fault>” http://stackoverflow.com/questions/7304257/coredata-error-data-fault to return full objects using request setReturnsObjectsAsFaults NO but in most cases what you have will be fine. Look at the documentation for NSFetchRequest for more information. If you access one of the properties core data will go to the..
How to lose margin/padding in UITextView? http://stackoverflow.com/questions/746670/how-to-lose-margin-padding-in-uitextview I use. Therefore I pose the question Is it possible to remove the padding surrounding the content of the UITextView Look forward to hearing your responses ios iphone cocoa touch uikit uitextview share improve this question I ran into the..
Why is object not dealloc'ed when using ARC + NSZombieEnabled http://stackoverflow.com/questions/8408071/why-is-object-not-dealloced-when-using-arc-nszombieenabled handlers cause the app to crash. I created a simple app illustrating this at https github.com xjones XJARCTestApp . Look at the console log with Enable Zombie Objects on off to verify this. QUESTION S Is this correct behavior of Enable Zombie..
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview in advance html iphone uiwebview share improve this question The second question is actually easier to answer. Look at the stringWithContentsOfURL encoding error method of NSString it lets you pass in a URL as an instance of NSURL which..
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