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2014/10/15 ¤U¤È 10:12:23
iphone Programming Glossary: ourHow 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 colorSpace return nil Create the bitmap context. Pre multiplied RGBA 8 bits per component. The source image format will be converted to the format specified here by CGBitmapContextCreate. self setContext.. RGBA_8_BIT bytesPerRow colorSpace kCGImageAlphaPremultipliedLast Make sure we have our context if context free pixelData NSLog @ Context not created Draw the image to the bitmap context...
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework in 1024 floats. Supposing the microphone sampling rate was 44.1kHz so that's ~44 frames sec. So our time window is whatever the time duration of 1024 samples is ie 1 44 s. So we would pack A with 1024.. holding n 2 complex numbers. we then throw that into the inverse transform and hopefully get out our original n real numbers. now the structure of A its setup for complex values. So vDSP needs to standardise.. vDSP_fft_zrip setupReal A stride log2n FFT_INVERSE and back again... we will still need to unpack our original array from A. then we compare just to check that we have got back exactly what we started out..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel maybe others now support attributed strings which means we don't need to create CATextLayer s as our recipient for attributed strings. Furthermore to make the attributed string we don't need to play with.. new classes in obj c Foundation.framework like NSParagraphStyle and other constants that will make our life easier. Yay So if we have this string NSString text @ Updated 2012 10 14 21 59 We only need to.. initWithString text attributes attrs attributedText setAttributes subAttrs range range Set it in our UILabel and we are done _label setAttributedText attributedText else iOS5 and below Here we have some..
Converting NSString to NSDate (and back again) http://stackoverflow.com/questions/3917250/converting-nsstring-to-nsdate-and-back-again @ 01 02 2010 NSDateFormatter dateFormatter NSDateFormatter alloc init this is imporant we set our input date format to match our input string if format doesn't match you'll get nil from your string.. dateFormatter NSDateFormatter alloc init this is imporant we set our input date format to match our input string if format doesn't match you'll get nil from your string so be careful dateFormatter setDateFormat.. set our input date format to match our input string if format doesn't match you'll get nil from your string so be careful dateFormatter setDateFormat @ dd MM yyyy NSDate dateFromString NSDate alloc init..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file will be placed. void CreatePDFFile CGRect pageRect const char filename This code block sets up our PDF Context so that we can draw to it CGContextRef pdfContext CFStringRef path CFURLRef url CFMutableDictionaryRef.. CFSTR My PDF File CFDictionarySetValue myDictionary kCGPDFContextCreator CFSTR My Name Create our PDF Context with the CFURL the CGRect we provide and the above defined dictionary pdfContext CGPDFContextCreateWithURL.. above defined dictionary pdfContext CGPDFContextCreateWithURL url pageRect myDictionary Cleanup our mess CFRelease myDictionary CFRelease url Done creating our PDF Context now it's time to draw to it..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events later. In my case I used VoIP backgrounding enabled in my plist. All the code here is done in your AppDelegate if the iOS device allows background execution this Handler will be called void backgroundHandler.. is done in void applicationDidEnterBackground UIApplication application This is where you can do your X Minutes if 10Minutes is okay. BOOL backgroundAccepted UIApplication sharedApplication setKeepAliveTimeout.. treads are being executed for a short while. You can see this if you place some NSLog .. into your code. This means that this short wakeup executes the code for a while. According to Apple we have 30..
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 have a strong desire to get the most out of the language and the frameworks. One of the resources I'm using is Stanford's CS193P class notes that they have left on the web. It includes lecture notes.. 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.. That's logical. However there are some stern warnings in the slide about communicating between your UIViewControllers. I'm going to quote from this serious of slides http cs193p.stanford.edu downloads..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c methods you're interested in. Though with delegates that use a formal protocol you must declare your delegate to implement that protocol see below. For example suppose you have an NSWindow. If you'd like.. that object. For example a view controller is often the delegate of a view it contains. To define your own delegates you'll have to declare their methods somewhere. There are two basic approaches discussed.. @end This is analogous to an interface or abstract base class as it creates a special type for your delegate NSWindowNotifications in this case. Delegate implementors would have to adopt this protocol..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c opportunity after the current iteration of the event loop it can call release on the object. From our perspective as programmers it takes care of calling release for us so we don't have to and in fact we..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now iOS 5 and above. No alternative method or property appears to be available or forthcoming. Many of our existing apps are tightly dependent on this property for uniquely identifying a particular device. Can.. Do not use the uniqueIdentifier property. To create a unique identifier specific to your app you can call the CFUUIDCreate function to create a UUID and write it to the defaults database using.. the MAC and use that as UUID. Edit One needs to always query the MAC of the same interface of course. I guess the best bet is with en0 . The MAC is always present even if the interface has no IP is down...
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 bitmap memory. Releasing color space. CGColorSpaceRelease colorSpace return nil Create the bitmap context. Pre multiplied RGBA 8 bits per component. The source image format will be converted to the format specified here by CGBitmapContextCreate. self setContext CGBitmapContextCreate void pixelData self.size.width.. void pixelData self.size.width self.size.height RGBA_8_BIT bytesPerRow colorSpace kCGImageAlphaPremultipliedLast Make sure we have our context if context free pixelData NSLog @ Context not created Draw the image to the bitmap context. The memory allocated for the context for rendering will then..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework some callback gets triggered every time the microphone gets in 1024 floats. Supposing the microphone sampling rate was 44.1kHz so that's ~44 frames sec. So our time window is whatever the time duration of 1024 samples is ie 1 44 s. So we would pack A with 1024 floats from the mic set log2n 10 2^10 1024 precalculate some.. fill it with n real numbers. after the FFT it is going to be holding n 2 complex numbers. we then throw that into the inverse transform and hopefully get out our original n real numbers. now the structure of A its setup for complex values. So vDSP needs to standardise how to pack real numbers into it. so first we generate.. memory footprint as the real but weirdly packaged inputs. vDSP_fft_zrip setupReal A stride log2n FFT_INVERSE and back again... we will still need to unpack our original array from A. then we compare just to check that we have got back exactly what we started out with release our precalculated bobbins and done But wait..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel iOS6 In iOS6 now UILabel UIButton UITextView UITextField and maybe others now support attributed strings which means we don't need to create CATextLayer s as our recipient for attributed strings. Furthermore to make the attributed string we don't need to play with CoreText anymore We have new classes in obj c Foundation.framework.. string we don't need to play with CoreText anymore We have new classes in obj c Foundation.framework like NSParagraphStyle and other constants that will make our life easier. Yay So if we have this string NSString text @ Updated 2012 10 14 21 59 We only need to create the attributed string if _label respondsToSelector @selector.. attributedText NSMutableAttributedString alloc initWithString text attributes attrs attributedText setAttributes subAttrs range range Set it in our UILabel and we are done _label setAttributedText attributedText else iOS5 and below Here we have some options too. The first one is to do something less fancy and..
Converting NSString to NSDate (and back again) http://stackoverflow.com/questions/3917250/converting-nsstring-to-nsdate-and-back-again improve this question NSString to NSDate NSString dateString @ 01 02 2010 NSDateFormatter dateFormatter NSDateFormatter alloc init this is imporant we set our input date format to match our input string if format doesn't match you'll get nil from your string so be careful dateFormatter setDateFormat @ dd MM yyyy NSDate.. to NSDate NSString dateString @ 01 02 2010 NSDateFormatter dateFormatter NSDateFormatter alloc init this is imporant we set our input date format to match our input string if format doesn't match you'll get nil from your string so be careful dateFormatter setDateFormat @ dd MM yyyy NSDate dateFromString NSDate alloc init.. dateFormatter NSDateFormatter alloc init this is imporant we set our input date format to match our input string if format doesn't match you'll get nil from your string so be careful dateFormatter setDateFormat @ dd MM yyyy NSDate dateFromString NSDate alloc init voila dateFromString dateFormatter dateFromString dateString..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file a PDF file having to calculate where lines and other objects will be placed. void CreatePDFFile CGRect pageRect const char filename This code block sets up our PDF Context so that we can draw to it CGContextRef pdfContext CFStringRef path CFURLRef url CFMutableDictionaryRef myDictionary NULL Create a CFString from the.. CFDictionarySetValue myDictionary kCGPDFContextTitle CFSTR My PDF File CFDictionarySetValue myDictionary kCGPDFContextCreator CFSTR My Name Create our PDF Context with the CFURL the CGRect we provide and the above defined dictionary pdfContext CGPDFContextCreateWithURL url pageRect myDictionary Cleanup our mess.. our PDF Context with the CFURL the CGRect we provide and the above defined dictionary pdfContext CGPDFContextCreateWithURL url pageRect myDictionary Cleanup our mess CFRelease myDictionary CFRelease url Done creating our PDF Context now it's time to draw to it Starts our first page CGContextBeginPage pdfContext pageRect..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events again once it was quit by the system . This we will abuse later. In my case I used VoIP backgrounding enabled in my plist. All the code here is done in your AppDelegate if the iOS device allows background execution this Handler will be called void backgroundHandler NSLog @ ### VOIP backgrounding callback try to do sth... app scheduleLocalNotification alarm and the registration is done in void applicationDidEnterBackground UIApplication application This is where you can do your X Minutes if 10Minutes is okay. BOOL backgroundAccepted UIApplication sharedApplication setKeepAliveTimeout 600 handler ^ self backgroundHandler if backgroundAccepted.. earlier I discovered that my timers and previous running treads are being executed for a short while. You can see this if you place some NSLog .. into your code. This means that this short wakeup executes the code for a while. According to Apple we have 30 seconds execution time left. I assume that background code..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers Being new to objective c cocoa and iPhone dev in general I have a strong desire to get the most out of the language and the frameworks. One of the resources 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.. the resources 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.. stack. That's how the UINavigationController works. That's logical. However there are some stern warnings in the slide about communicating between your UIViewControllers. I'm going to quote from this serious of slides http cs193p.stanford.edu downloads 08 NavigationTabBarControllers.pdf Page 16 51 How Not To Share..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c them you simply define a class that implements the delegate methods you're interested in. Though with delegates that use a formal protocol you must declare your delegate to implement that protocol see below. For example suppose you have an NSWindow. If you'd like to implement its delegate's windowDidMove method you could.. the delegate of an object often holds a strong reference to that object. For example a view controller is often the delegate of a view it contains. To define your own delegates you'll have to declare their methods somewhere. There are two basic approaches discussed in the Apple Docs on protocols 1 An Informal Protocol This.. NSNotification notification ... other methods here @end This is analogous to an interface or abstract base class as it creates a special type for your delegate NSWindowNotifications in this case. Delegate implementors would have to adopt this protocol @interface MyDelegate NSWindowNotifications ... @end And then..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c call. The NSAutoreleasePool now knows that once it gets an opportunity after the current iteration of the event loop it can call release on the object. From our perspective as programmers it takes care of calling release for us so we don't have to and in fact we shouldn't . What's important to note is that again by convention..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now the UIDevice uniqueIdentifier property is deprecated in iOS 5 and above. No alternative method or property appears to be available or forthcoming. Many of our existing apps are tightly dependent on this property for uniquely identifying a particular device. Can anyone suggest any ideas how we might handle this problem.. The suggestion from the documentation is... Special Considerations Do not use the uniqueIdentifier property. To create a unique identifier specific to your app you can call the CFUUIDCreate function to create a UUID and write it to the defaults database using the NSUserDefaults class. However this value won't be the.. device identifier seems to be the MAC address. You could query the MAC and use that as UUID. Edit One needs to always query the MAC of the same interface of course. I guess the best bet is with en0 . The MAC is always present even if the interface has no IP is down. Edit 2 As was pointed out by others the preferred solution..
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 CGColorSpaceRelease colorSpace return nil Create the bitmap context. Pre multiplied RGBA 8 bits per component. The source image format will be converted to the format specified here by CGBitmapContextCreate. self setContext CGBitmapContextCreate.. self.size.height RGBA_8_BIT bytesPerRow colorSpace kCGImageAlphaPremultipliedLast Make sure we have our context if context free pixelData NSLog @ Context not created Draw the image to the bitmap context. The memory allocated..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework the microphone gets in 1024 floats. Supposing the microphone sampling rate was 44.1kHz so that's ~44 frames sec. So our time window is whatever the time duration of 1024 samples is ie 1 44 s. So we would pack A with 1024 floats from the mic.. FFT it is going to be holding n 2 complex numbers. we then throw that into the inverse transform and hopefully get out our original n real numbers. now the structure of A its setup for complex values. So vDSP needs to standardise how to pack real.. packaged inputs. vDSP_fft_zrip setupReal A stride log2n FFT_INVERSE and back again... we will still need to unpack our original array from A. then we compare just to check that we have got back exactly what we started out with release our..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel UITextField and maybe others now support attributed strings which means we don't need to create CATextLayer s as our recipient for attributed strings. Furthermore to make the attributed string we don't need to play with CoreText anymore.. anymore We have new classes in obj c Foundation.framework like NSParagraphStyle and other constants that will make our life easier. Yay So if we have this string NSString text @ Updated 2012 10 14 21 59 We only need to create the attributed.. alloc initWithString text attributes attrs attributedText setAttributes subAttrs range range Set it in our UILabel and we are done _label setAttributedText attributedText else iOS5 and below Here we have some options too. The first..
Converting NSString to NSDate (and back again) http://stackoverflow.com/questions/3917250/converting-nsstring-to-nsdate-and-back-again NSString dateString @ 01 02 2010 NSDateFormatter dateFormatter NSDateFormatter alloc init this is imporant we set our input date format to match our input string if format doesn't match you'll get nil from your string so be careful dateFormatter.. 2010 NSDateFormatter dateFormatter NSDateFormatter alloc init this is imporant we set our input date format to match our input string if format doesn't match you'll get nil from your string so be careful dateFormatter setDateFormat @ dd MM yyyy.. this is imporant we set our input date format to match our input string if format doesn't match you'll get nil from your string so be careful dateFormatter setDateFormat @ dd MM yyyy NSDate dateFromString NSDate alloc init voila dateFromString..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file and other objects will be placed. void CreatePDFFile CGRect pageRect const char filename This code block sets up our PDF Context so that we can draw to it CGContextRef pdfContext CFStringRef path CFURLRef url CFMutableDictionaryRef myDictionary.. kCGPDFContextTitle CFSTR My PDF File CFDictionarySetValue myDictionary kCGPDFContextCreator CFSTR My Name Create our PDF Context with the CFURL the CGRect we provide and the above defined dictionary pdfContext CGPDFContextCreateWithURL url.. we provide and the above defined dictionary pdfContext CGPDFContextCreateWithURL url pageRect myDictionary Cleanup our mess CFRelease myDictionary CFRelease url Done creating our PDF Context now it's time to draw to it Starts our first page..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events . This we will abuse later. In my case I used VoIP backgrounding enabled in my plist. All the code here is done in your AppDelegate if the iOS device allows background execution this Handler will be called void backgroundHandler NSLog @ ###.. and the registration is done in void applicationDidEnterBackground UIApplication application This is where you can do your X Minutes if 10Minutes is okay. BOOL backgroundAccepted UIApplication sharedApplication setKeepAliveTimeout 600 handler.. and previous running treads are being executed for a short while. You can see this if you place some NSLog .. into your code. This means that this short wakeup executes the code for a while. According to Apple we have 30 seconds execution time..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers and iPhone dev in general I have a strong desire to get the most out of the language and the frameworks. One of the resources I'm using is Stanford's CS193P class notes that they have left on the web. It includes lecture notes assignments and.. 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.. works. That's logical. However there are some stern warnings in the slide about communicating between your UIViewControllers. I'm going to quote from this serious of slides http cs193p.stanford.edu downloads 08 NavigationTabBarControllers.pdf..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c the delegate methods you're interested in. Though with delegates that use a formal protocol you must declare your delegate to implement that protocol see below. For example suppose you have an NSWindow. If you'd like to implement its.. strong reference to that object. For example a view controller is often the delegate of a view it contains. To define your own delegates you'll have to declare their methods somewhere. There are two basic approaches discussed in the Apple Docs.. ... other methods here @end This is analogous to an interface or abstract base class as it creates a special type for your delegate NSWindowNotifications in this case. Delegate implementors would have to adopt this protocol @interface MyDelegate..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c that once it gets an opportunity after the current iteration of the event loop it can call release on the object. From our perspective as programmers it takes care of calling release for us so we don't have to and in fact we shouldn't . What's..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now is deprecated in iOS 5 and above. No alternative method or property appears to be available or forthcoming. Many of our existing apps are tightly dependent on this property for uniquely identifying a particular device. Can anyone suggest any.. is... Special Considerations Do not use the uniqueIdentifier property. To create a unique identifier specific to your app you can call the CFUUIDCreate function to create a UUID and write it to the defaults database using the NSUserDefaults.. You could query the MAC and use that as UUID. Edit One needs to always query the MAC of the same interface of course. I guess the best bet is with en0 . The MAC is always present even if the interface has no IP is down. Edit 2 As was pointed..
idleTimerDisabled not working since iPhone 3.0 http://stackoverflow.com/questions/1058717/idletimerdisabled-not-working-since-iphone-3-0 of settings If anyone has any thoughts I'd be very grateful... iphone iphone sdk 3.0 share improve this question Our app uses the MPMediaPLayer. We also had the idleTimerDisabled YES code in the ApplicationFinishedLaunching which works EXCEPT..
Xcode 3.2.1 GCC CLANG and LLVM demystification http://stackoverflow.com/questions/1551099/xcode-3-2-1-gcc-clang-and-llvm-demystification still the system default. The Clang LLVM 1.0 compiler will fall back to using LLVM GCC 4.2 when it encounters C code. Our company has existing projects that are pure C Objective C and Objective C for desktop and iphone. Can someone summarize..
Best Practices for Error Logging and/or reporting for iPhone http://stackoverflow.com/questions/1667994/best-practices-for-error-logging-and-or-reporting-for-iphone providing crash reports I've started using Crittercism in some of my apps. It does the job well and has a free plan. Our released product has no trace in this seems to be consistent with what most other iPhone apps do. If a bug is reported then.. Error this indicates a coding bug or unexpected condition 2009 09 11 14 22 48.073 MyApp 3122 207 EXIT MyClass myMethod Our trace definitions #ifndef TRC_LEVEL #if TARGET_IPHONE_SIMULATOR 0 #define TRC_LEVEL 0 #else #define TRC_LEVEL 5 #endif #endif..
Programmatically get own phone number in iOS http://stackoverflow.com/questions/193182/programmatically-get-own-phone-number-in-ios that the highest ranking solution currently the first response violates the latest SDK Agreement as of Nov 5 2009. Our application was just rejected for using it. Here's the response from Apple For security reasons iPhone OS restricts an application..
How to start a project with both outputs iPhone & iPad? http://stackoverflow.com/questions/2657968/how-to-start-a-project-with-both-outputs-iphone-ipad below let us comment it MainViewController aController MainViewController alloc initWithNibName @ MainView bundle nil Our main controller MainViewController aController nil Is this OS 3.2.0 #if __IPHONE_OS_VERSION_MAX_ALLOWED 30200 if UI_USER_INTERFACE_IDIOM..
Detecting Acceleration in a car (iPhone Accelerometer) http://stackoverflow.com/questions/2733249/detecting-acceleration-in-a-car-iphone-accelerometer was luckily able to avoid hills. Yes hills. There are two important stages to this calibration and actual driving. Our initial run was simple and suffered the consequences. During the calibration stage I took the average force on the phone..
How does “bump” technology work? http://stackoverflow.com/questions/3383447/how-does-bump-technology-work area ex at a conference and we cannot resolve a unique match after a single bump we'll just ask you to bump again. Our CTO has a PhD in Quantum Mechanics and can show the math behind that but we suggest downloading Bump and trying it yourself..
Core Telephony framework partially public in 4.0 http://stackoverflow.com/questions/3644557/core-telephony-framework-partially-public-in-4-0 CTTelephonyCenterAddObserver ct NULL callback NULL NULL CFNotificationSuspensionBehaviorHold Our callback static void callback CFNotificationCenterRef center void observer CFStringRef name const void object CFDictionaryRef..
Best practice for setting up an automated build server for iphone apps? http://stackoverflow.com/questions/3837043/best-practice-for-setting-up-an-automated-build-server-for-iphone-apps web interface. I've no doubt that it would not be hard for you to run your unit tests within the framework. fanboy Our only real issues have had to do with AFP and SMB on the mac mini nothing to do with hudson at all more just our internal..
How safe is information contained within iPhone app compiled code? http://stackoverflow.com/questions/3919765/how-safe-is-information-contained-within-iphone-app-compiled-code gain access to URLs or other values that are contained in the actual objective c code after they purchase your app Our initial feeling was no but I wondered if anyone out there had definitive knowledge one way or the other I do know that .plist..
What's the most efficient way of converting a 10 MB JSON response into an NSDictionary? http://stackoverflow.com/questions/4351930/whats-the-most-efficient-way-of-converting-a-10-mb-json-response-into-an-nsdict the most efficient way of converting a 10 MB JSON response into an NSDictionary Our app must display a big chunk of data with minimal remote http requests so we have added an endpoint to our backend that..
Using iOS Developer Enterprise Program for beta testing? http://stackoverflow.com/questions/5007954/using-ios-developer-enterprise-program-for-beta-testing account For wireless enterprise distribution do you still need a list of UDIDs built into a provisioning file Our hope is that we can setup our continuous integration server to automatically make builds run our unit tests and then post..
http://stackoverflow.com/questions/5303263/fix-font-size-issue-on-mobile-safari-iphone-where-text-is-rendered-inconsisten font size issue on Mobile Safari iPhone where text is rendered inconsistently and some fonts are larger than others Our site renders with inconsistent font sizes on mobile Safari and as far as we can tell only Mobile Safari. This very much..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers #import ChildViewController.h @implementation ChildViewController void handleCloseButton id sender Our delegate method is optional so we should check that the delegate implements it if self.delegate respondsToSelector @selector..
Convert html file to PDF Document in iOS using Cocoa-Touch http://stackoverflow.com/questions/6316192/convert-html-file-to-pdf-document-in-ios-using-cocoa-touch tried to replace the image with the html file but it failed. I would very much appreciate your help. Thanks in advance Our method to create a PDF file natively on the iPhone This method takes two parameters a CGRect for size and a const char which..
Generating cryptographically secure authentication tokens http://stackoverflow.com/questions/840537/generating-cryptographically-secure-authentication-tokens in ASP.NET when a remember me checkbox is checked. It's just not a web browser making the HTTP requests. Our ticket is equivilant to the cookie that Forms Authentication sets. Forms Authentication uses essentially an encrypt some..
How to capture current view screenshot and reuse in code? (iPhone SDK) http://stackoverflow.com/questions/879064/how-to-capture-current-view-screenshot-and-reuse-in-code-iphone-sdk its sublayers recursively. Default implementation does nothing. says it all. I implementing this for the Clif Bar Save Our Snow app in the app store by doing the following Walk the layer hierarchy recursively getting the contents from each layer...
Mobile development - Native VS Cross Platform VS JavaScript [closed] http://stackoverflow.com/questions/8865277/mobile-development-native-vs-cross-platform-vs-javascript development Native VS Cross Platform VS JavaScript closed Our company will soon start developing few products for mobile platforms as CTO I was asked to examine the Pro and Cons of the..
How to manage Enterprise Distribution certificate expiration? http://stackoverflow.com/questions/9216485/how-to-manage-enterprise-distribution-certificate-expiration to manage Enterprise Distribution certificate expiration Our costumer has just joined the iOS Developer Enterprise Program. They have signed the app developed by us with their Enterprise..
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