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2014/10/15 ¤U¤È 10:09:16
iphone Programming Glossary: formatHow do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder uses cd quality 44100 samples stereo 2 channels linear pcm. Beware if you want to use a different format especially an encoded one make sure you fully understand how to set the AVAudioRecorder settings read..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone fields then the user can initiate the SMS send within the controller. Unlike using the sms ... url format this allows your application to stay open and allows you to populate both the to and the body fields...
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos mentioned above and it seems to work. However because of my limited knwoledge about the EXIF format and the lack of high level API in the library I don't manage to get the values for the EXIF tags. Here's.. explained in the doc but hum.. BOOL gLogging FALSE UPDATE 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.. 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..
http://stackoverflow.com/questions/1388467/reading-epub-format ePub format I am trying to develop an iPhone application to read ePub files. Is there any framework available to.. files. Is there any framework available to develop this I have no idea about how to read this file format. I tried to parse a sample file with .epub extension using NSXML Parser but that fails. iphone epub.. extension using NSXML Parser but that fails. iphone epub share improve this question The EPUB format brings together a bunch of different specifications formats one to say what the content of the book..
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 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.. and at the bottom of this post provides a read only reference to data . Method 1 Writable Pixel Information I defined constants #define RGBA 4 #define RGBA_8_BIT 8 In my UIImage subclass I declared instance.. 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..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone
Getting current device language in iOS? http://stackoverflow.com/questions/3910244/getting-current-device-language-in-ios that the device UI is using. What code would I use I want this as an NSString in fully spelled out format. Not @ en_US iphone objective c ios nslocale share improve this question The solutions provided.. to differentiate between region and currently selected language. EDIT Worth to quote the header information from NSLocale.h NSArray preferredLanguages NS_AVAILABLE 10_5 2_0 note that this list does not indicate.. is actually running in the NSBundle mainBundle object determines that at launch and knows that information People interested in app language take a look at @mindvision's answer share improve this answer..
Converting NSString to NSDate (and back again) http://stackoverflow.com/questions/3917250/converting-nsstring-to-nsdate-and-back-again 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.. 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..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file but once I got my project setup properly it worked fine for my needs. Second depending on the format layout of your PDF you might consider using Interface Builder to create a view that serves as a template.. out great for my needs. Again this may or may not make sense for your situation depending on the formatting layout needs of your PDF. EDIT response to 1st comment My implementation is part of a commercial..
What's the easiest way to resize/optimize an image size with the iPhone SDK? http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk UIGraphicsEndImageContext return newImage As far as storage of the image the fastest image format to use with the iPhone is PNG because it has optimizations for that format. However if you want to store.. image the fastest image format to use with the iPhone is PNG because it has optimizations for that format. However if you want to store these images as JPEGs you can take your UIImage and do the following NSData..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller to a particular account and the body to meet certain criteria so if the user drastically edits the format everything could go horribly wrong..At the moment the body is filled in from data that the user inputs..
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 It seems that NSDateFormatter has a feature that bites you unexpectedly If you do a simple fixed format operation such as NSDateFormatter fmt NSDateFormatter alloc init fmt setDateFormat @ yyyyMMddHHmmss.. and they aren't going to fix it. The circumvention is apparently to set the locale of the date formatter for a specific region generally the US but this is a bit messy NSLocale loc NSLocale alloc initWithLocaleIdentifier.. date4 2001 05 05 05 34 56 PM 0000 As you can see the setLocale simply didn't. The locale of the formatter is still en_GB. It appears that there is something strange about an init method in a category. Final..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app an HTTP POST to send to Paypal and makes an NSURLRequest. You can fill in the appropriate string format variables. I used HTTP Client to check what I was doing. void sendPayPalRequestPOST perfomingSetMobileCheckout..
How do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder by the user pressing a button on the navBar. The recording uses cd quality 44100 samples stereo 2 channels linear pcm. Beware if you want to use a different format especially an encoded one make sure you fully understand how to set the AVAudioRecorder settings read carefully the audio types documentation otherwise you will..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone can import into your application. You prepopulate the SMS fields then the user can initiate the SMS send within the controller. Unlike using the sms ... url format this allows your application to stay open and allows you to populate both the to and the body fields. You can even specify multiple recipients. This prevents applications..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos with the iPhone exif library. UPDATE I gave a test to the library mentioned above and it seems to work. However because of my limited knwoledge about the EXIF format and the lack of high level API in the library I don't manage to get the values for the EXIF tags. Here's my code in case any of you can go further #import EXFJpeg.h.. you need to define a global variable to get it running as explained in the doc but hum.. BOOL gLogging FALSE UPDATE 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.. in the doc but hum.. BOOL gLogging FALSE UPDATE 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..
http://stackoverflow.com/questions/1388467/reading-epub-format ePub format I am trying to develop an iPhone application to read ePub files. Is there any framework available to develop this I have no idea about how to read this file format... I am trying to develop an iPhone application to read ePub files. Is there any framework available to develop this I have no idea about how to read this file format. I tried to parse a sample file with .epub extension using NSXML Parser but that fails. iphone epub share improve this question The EPUB format brings together.. this file format. I tried to parse a sample file with .epub extension using NSXML Parser but that fails. iphone epub 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..
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 its color. Getting 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.. as I understand it the method provided by previous posts and at the bottom of this post provides a read only reference to data . Method 1 Writable Pixel Information I defined constants #define RGBA 4 #define RGBA_8_BIT 8 In my UIImage subclass I declared instance variables size_t bytesPerRow size_t byteCount size_t pixelCount.. 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 self.size.height..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone
Getting current device language in iOS? http://stackoverflow.com/questions/3910244/getting-current-device-language-in-ios language in iOS I'd like to show the current language that the device UI is using. What code would I use I want this as an NSString in fully spelled out format. Not @ en_US iphone objective c ios nslocale share improve this question The solutions provided will actually return the current region of the device not the.. en display English . Hope this helps someone that's looking to differentiate between region and currently selected language. EDIT Worth to quote the header information from NSLocale.h NSArray preferredLanguages NS_AVAILABLE 10_5 2_0 note that this list does not indicate what language the app is actually running in the NSBundle..
Converting NSString to NSDate (and back again) http://stackoverflow.com/questions/3917250/converting-nsstring-to-nsdate-and-back-again 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 dateFromString NSDate.. 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 voila dateFromString..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file little tricky getting libHaru to build with my project initially but once I got my project setup properly it worked fine for my needs. Second depending on the format layout of your PDF you might consider using Interface Builder to create a view that serves as a template for your PDF output. You would then write code to load.. to hard code everything. I used this approach and it worked out great for my needs. Again this may or may not make sense for your situation depending on the formatting layout needs of your PDF. EDIT response to 1st comment My implementation is part of a commercial product meaning that I can't share the full code but I can..
What's the easiest way to resize/optimize an image size with the iPhone SDK? http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk UIImage newImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext return newImage As far as storage of the image the fastest image format to use with the iPhone is PNG because it has optimizations for that format. However if you want to store these images as JPEGs you can take your UIImage and do.. return newImage As far as storage of the image the fastest image format to use with the iPhone is PNG because it has optimizations for that format. However if you want to store these images as JPEGs you can take your UIImage and do the following NSData dataForJPEGFile UIImageJPEGRepresentation theImage 0.6..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller changed by the user I need the e mail the user sends to go to a particular account and the body to meet certain criteria so if the user drastically edits the format everything could go horribly wrong..At the moment the body is filled in from data that the user inputs to textfields and date pickers in the previous view. Basically..
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 to deal with the NSDateFormatter locale &ldquo feature&rdquo It seems that NSDateFormatter has a feature that bites you unexpectedly If you do a simple fixed format operation such as NSDateFormatter fmt NSDateFormatter alloc init fmt setDateFormat @ yyyyMMddHHmmss NSString dateStr fmt stringFromDate someDate fmt release Then.. Apparently Apple has declared this to be BAD Broken As Designed and they aren't going to fix it. The circumvention is apparently to set the locale of the date formatter for a specific region generally the US but this is a bit messy NSLocale loc NSLocale alloc initWithLocaleIdentifier @ en_US df setLocale loc loc release Not.. 214 307 date3 null 2011 07 15 16 35 24.404 DemoApp 214 307 date4 2001 05 05 05 34 56 PM 0000 As you can see the setLocale simply didn't. The locale of the formatter is still en_GB. It appears that there is something strange about an init method in a category. Final answer See the accepted answer below. iphone ios locale..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app after some heavy API research. Below is a method that creates an HTTP POST to send to Paypal and makes an NSURLRequest. You can fill in the appropriate string format variables. I used HTTP Client to check what I was doing. void sendPayPalRequestPOST perfomingSetMobileCheckout YES recordResults FALSE NSString parameterString..
How do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder The recording uses cd quality 44100 samples stereo 2 channels linear pcm. Beware if you want to use a different format especially an encoded one make sure you fully understand how to set the AVAudioRecorder settings read carefully the audio..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone prepopulate the SMS fields then the user can initiate the SMS send within the controller. Unlike using the sms ... url format this allows your application to stay open and allows you to populate both the to and the body fields. You can even specify..
http://stackoverflow.com/questions/1388467/reading-epub-format ePub format I am trying to develop an iPhone application to read ePub files. Is there any framework available to develop this I have.. to read ePub files. Is there any framework available to develop this I have no idea about how to read this file format. I tried to parse a sample file with .epub extension using NSXML Parser but that fails. iphone epub share improve this.. file with .epub extension using NSXML Parser but that fails. iphone epub 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..
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 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... by previous posts and at the bottom of this post provides a read only reference to data . Method 1 Writable Pixel Information I defined constants #define RGBA 4 #define RGBA_8_BIT 8 In my UIImage subclass I declared instance variables size_t bytesPerRow.. 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..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone
Getting current device language in iOS? http://stackoverflow.com/questions/3910244/getting-current-device-language-in-ios current language that the device UI is using. What code would I use I want this as an NSString in fully spelled out format. Not @ en_US iphone objective c ios nslocale share improve this question The solutions provided will actually return.. that's looking to differentiate between region and currently selected language. EDIT Worth to quote the header information from NSLocale.h NSArray preferredLanguages NS_AVAILABLE 10_5 2_0 note that this list does not indicate what language..
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 so be careful dateFormatter setDateFormat.. 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..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file my project initially but once I got my project setup properly it worked fine for my needs. Second depending on the format layout of your PDF you might consider using Interface Builder to create a view that serves as a template for your PDF output... and it worked out great for my needs. Again this may or may not make sense for your situation depending on the formatting layout needs of your PDF. EDIT response to 1st comment My implementation is part of a commercial product meaning that..
What's the easiest way to resize/optimize an image size with the iPhone SDK? http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk UIGraphicsEndImageContext return newImage As far as storage of the image the fastest image format to use with the iPhone is PNG because it has optimizations for that format. However if you want to store these images as.. as storage of the image the fastest image format to use with the iPhone is PNG because it has optimizations for that format. However if you want to store these images as JPEGs you can take your UIImage and do the following NSData dataForJPEGFile..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller user sends to go to a particular account and the body to meet certain criteria so if the user drastically edits the format everything could go horribly wrong..At the moment the body is filled in from data that the user inputs to textfields and..
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 &ldquo feature&rdquo It seems that NSDateFormatter has a feature that bites you unexpectedly If you do a simple fixed format operation such as NSDateFormatter fmt NSDateFormatter alloc init fmt setDateFormat @ yyyyMMddHHmmss NSString dateStr fmt.. BAD Broken As Designed and they aren't going to fix it. The circumvention is apparently to set the locale of the date formatter for a specific region generally the US but this is a bit messy NSLocale loc NSLocale alloc initWithLocaleIdentifier @.. 24.404 DemoApp 214 307 date4 2001 05 05 05 34 56 PM 0000 As you can see the setLocale simply didn't. The locale of the formatter is still en_GB. It appears that there is something strange about an init method in a category. Final answer See the accepted..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app a method that creates an HTTP POST to send to Paypal and makes an NSURLRequest. You can fill in the appropriate string format variables. I used HTTP Client to check what I was doing. void sendPayPalRequestPOST perfomingSetMobileCheckout YES recordResults..
How to convert time to the timezone of the iPhone device? http://stackoverflow.com/questions/1081647/how-to-convert-time-to-the-timezone-of-the-iphone-device . I don't know in which format your MySQL date comes in but assuming it is a string you should use NSDateFormatter to parse the string and convert it to an NSDate obejct. For example NSDateFormatter formatter NSDateFormatter alloc init.. is a string you should use NSDateFormatter to parse the string and convert it to an NSDate obejct. For example NSDateFormatter formatter NSDateFormatter alloc init autorelease formatter setDateFormat @ yyyy MM dd HH mm ss NSDate sourceDate formatter.. NSDateFormatter to parse the string and convert it to an NSDate obejct. For example NSDateFormatter formatter NSDateFormatter alloc init autorelease formatter setDateFormat @ yyyy MM dd HH mm ss NSDate sourceDate formatter dateFromString @ 2009..
Rich Text Format RTF codec for iPhone http://stackoverflow.com/questions/2347149/rich-text-format-rtf-codec-for-iphone Text Format RTF codec for iPhone Anyone know of any library that will enable me to read write RTF format files on the iPhone NSAttributedString..
Displaying ppt, doc, and xls in UIWebView doesn't work but pdf does http://stackoverflow.com/questions/2520137/displaying-ppt-doc-and-xls-in-uiwebview-doesnt-work-but-pdf-does Pages .pages.zip PDF .pdf Powerpoint .ppt Word .doc iPhone OS 3.0 supports these additional document types Rich Text Format .rtf Rich Text Format Directory .rtfd.zip Keynote '09 .key Numbers '09 .numbers Pages '09 .pages share improve this answer..
How can I record AMR audio format on the iPhone? http://stackoverflow.com/questions/276644/how-can-i-record-amr-audio-format-on-the-iphone up no matter what I set them to. Edit Here's what I have for the PCM version If we want to use AMR instead of PCM AMR Format Sampling Frequency 8 kHz 13 bit 160 samples for 20 ms frames filtered to 200 3400 Hz eight source codecs 12.2 1.2 7.95 7.40.. 1.2 7.95 7.40 6.70 5.90 5.15 4.75 kbit s generated frame length 244 204 159 148 134 118 103 95 bits per frame format mFormatID kAudioFormatLinearPCM format mSampleRate 8000.0 8 kHz format mFramesPerPacket 1 1 frame per packet format mChannelsPerFrame.. 6.70 5.90 5.15 4.75 kbit s generated frame length 244 204 159 148 134 118 103 95 bits per frame format mFormatID kAudioFormatLinearPCM format mSampleRate 8000.0 8 kHz format mFramesPerPacket 1 1 frame per packet format mChannelsPerFrame 1 Mono format..
How to change format of date/time? http://stackoverflow.com/questions/2871182/how-to-change-format-of-date-time 53 30 and would like to change it to Wednesday @ 7 53PM 5 19 2010 I'm doing this which gets the current format NSDateFormatter formatter NSDateFormatter alloc init formatter.dateFormat @ yyyy MM dd HH mm ss but when I change the format I end up.. change it to Wednesday @ 7 53PM 5 19 2010 I'm doing this which gets the current format NSDateFormatter formatter NSDateFormatter alloc init formatter.dateFormat @ yyyy MM dd HH mm ss but when I change the format I end up with a null. For example.. 2010 I'm doing this which gets the current format NSDateFormatter formatter NSDateFormatter alloc init formatter.dateFormat @ yyyy MM dd HH mm ss but when I change the format I end up with a null. For example formatter.dateFormat @ hh mm tt MM..
UIDatePicker - Problem Localizing http://stackoverflow.com/questions/2894161/uidatepicker-problem-localizing not handled by the language setting of the iPhone. The UIDatePicker is automatically localized based on the Region Format setting and not the language. This is odd because the dates are localized so you would think the localization of the picker.. localized so you would think the localization of the picker would be linked to the iDevice's language not the Region Format. Anyway to simulate the localized DatePicker in the Simulator Exit your app go to Settings. Select General Select International..
http://stackoverflow.com/questions/2939147/format-a-date-from-a-string a date from a string I'm trying to format a date from a string into another format. For example 2012 05 29 23 55 52 into.. format. For example 2012 05 29 23 55 52 into 29 05 newline 2010 . I just don't get the logics behind NSDate and NSDateFormatter I think.. Any help will be appreciated. Thanks iphone nsstring nsdate nsdateformatter share improve this question.. Thanks iphone nsstring nsdate nsdateformatter share improve this question You will need to create an NSDateFormatter and then set it's dateFormat to match the first date you have eg NSDateFormatter dateFormatter NSDateFormatter alloc..
Sha256 in Objective-C for iPhone http://stackoverflow.com/questions/3709204/sha256-in-objective-c-for-iphone code to create a sha256 of a string unsigned char hashedChars 32 NSString inputString inputString NSString stringWithFormat @ hello NSData inputData inputString dataUsingEncoding NSUTF8StringEncoding CC_SHA256 inputData.bytes inputData.length hashedChars.. ret NSMutableString stringWithCapacity CC_SHA256_DIGEST_LENGTH 2 for int i 0 i CC_SHA256_DIGEST_LENGTH i ret appendFormat @ 02x result i return ret 2 To get hash for NSData as input Note I have used NSData category so the code is as follow NSString.. @ withString @ hash is now a string with just the 40char hash value in it NSLog @ hash @ hash Format SHA256 fingerprint like 00 00 00 00 00 00 00 00 00 int keyLength hash length NSString formattedKey @ for int i 0 i keyLength..
How to record an audio file in .mp3 format? http://stackoverflow.com/questions/4871940/how-to-record-an-audio-file-in-mp3-format alloc initWithObjectsAndKeys NSNumber numberWithFloat 44100.0 AVSampleRateKey NSNumber numberWithInt kAudioFormatMPEGLayer3 AVFormatIDKey NSNumber numberWithInt 1 AVNumberOfChannelsKey NSNumber numberWithInt AVAudioQualityMax AVEncoderAudioQualityKey.. NSNumber numberWithFloat 44100.0 AVSampleRateKey NSNumber numberWithInt kAudioFormatMPEGLayer3 AVFormatIDKey NSNumber numberWithInt 1 AVNumberOfChannelsKey NSNumber numberWithInt AVAudioQualityMax AVEncoderAudioQualityKey.. answer. iphone objective c audio core audio avaudiorecorder share improve this question The Problem is kAudioFormatMPEGLayer3 which is not supported by AVAudioRecorder . Alternatively you can use kAudioFormatAppleIMA4 for your recording..
How to parse a date string into an NSDate object in iOS? http://stackoverflow.com/questions/4999396/how-to-parse-a-date-string-into-an-nsdate-object-in-ios with my code The date string I need to parse is 2011 01 21T12 26 47 05 00 The code I am using to parse it is self.dateFormatter NSDateFormatter alloc init self.dateFormatter setTimeZone NSTimeZone timeZoneForSecondsFromGMT 0 self.dateFormatter setLocale.. date string I need to parse is 2011 01 21T12 26 47 05 00 The code I am using to parse it is self.dateFormatter NSDateFormatter alloc init self.dateFormatter setTimeZone NSTimeZone timeZoneForSecondsFromGMT 0 self.dateFormatter setLocale NSLocale.. is 2011 01 21T12 26 47 05 00 The code I am using to parse it is self.dateFormatter NSDateFormatter alloc init self.dateFormatter setTimeZone NSTimeZone timeZoneForSecondsFromGMT 0 self.dateFormatter setLocale NSLocale alloc initWithLocaleIdentifier..
How to specify decimal places when formatting NSNumber objects? http://stackoverflow.com/questions/524827/how-to-specify-decimal-places-when-formatting-nsnumber-objects 80.0f 90.0f 225.0f 40.0f label.backgroundColor UIColor clearColor label.textColor UIColor whiteColor NSNumberFormatter formatter NSNumberFormatter alloc init formatter setNumberStyle NSNumberFormatterDecimalStyle formatter setFormat @ ###.##.. 40.0f label.backgroundColor UIColor clearColor label.textColor UIColor whiteColor NSNumberFormatter formatter NSNumberFormatter alloc init formatter setNumberStyle NSNumberFormatterDecimalStyle formatter setFormat @ ###.## int bytes 1024 1024 NSNumber.. UIColor whiteColor NSNumberFormatter formatter NSNumberFormatter alloc init formatter setNumberStyle NSNumberFormatterDecimalStyle formatter setFormat @ ###.## int bytes 1024 1024 NSNumber total NSNumber numberWithFloat self.totalFileSize..
Issue With Code: Format string is not a string literal [duplicate] http://stackoverflow.com/questions/5428325/issue-with-code-format-string-is-not-a-string-literal With Code Format string is not a string literal duplicate Possible Duplicate SnowLeopard Xcode warning &ldquo format not a string literal.. format not a string literal and no format arguments&rdquo I am getting the following issue for this line of code. Format string is not a string literal potentially insecure NSLog NSString stringWithFormat @ @ entered Any suggestions iphone.. issue for this line of code. Format string is not a string literal potentially insecure NSLog NSString stringWithFormat @ @ entered Any suggestions iphone objective c share improve this question The compiler wants us to use an NSString..
http://stackoverflow.com/questions/7426185/some-gap-remains-between-table-top-and-table-header-only-when-table-loads-and-s it absolutely. At the boundary condition it looses the top position of the table and slides about 20 pxcls. Header Format starting CGFloat tableView UITableView tableView heightForHeaderInSection NSInteger section return 20.0 UIView tableView..
my NSDateFormatter works only in the iPhone simulator http://stackoverflow.com/questions/838893/my-nsdateformatter-works-only-in-the-iphone-simulator NSDateFormatter works only in the iPhone simulator I use a NSDateFormatter which works fine in the simulator but I get a nil when I.. NSDateFormatter works only in the iPhone simulator I use a NSDateFormatter which works fine in the simulator but I get a nil when I run it in the iPhone. I hardcoded the date to be sure of the.. the date to be sure of the format but it fails anyway. NSString strPubDate @ Fri 8 May 2009 08 08 35 GMT NSDateFormatter dateFormatter NSDateFormatter alloc init dateFormatter setFormatterBehavior NSDateFormatterBehavior10_4 dateFormatter..
Objective-C String(yyyy-mm-dd) to NSDate http://stackoverflow.com/questions/8985872/objective-c-stringyyyy-mm-dd-to-nsdate in a different time format such as 1 October 2011 . ex. this code doesn't work NSString date1 @ 2010 11 12 NSDateFormatter dateFormat NSDateFormatter alloc init dateFormat setDateFormat @ yyyy MMMM dd NSDate date2 dateFormat dateFromString.. time format such as 1 October 2011 . ex. this code doesn't work NSString date1 @ 2010 11 12 NSDateFormatter dateFormat NSDateFormatter alloc init dateFormat setDateFormat @ yyyy MMMM dd NSDate date2 dateFormat dateFromString date1 NSString.. such as 1 October 2011 . ex. this code doesn't work NSString date1 @ 2010 11 12 NSDateFormatter dateFormat NSDateFormatter alloc init dateFormat setDateFormat @ yyyy MMMM dd NSDate date2 dateFormat dateFromString date1 NSString strdate dateFormat..
iphone Convert NSDate from server to local device time and compare http://stackoverflow.com/questions/9238420/iphone-convert-nsdate-from-server-to-local-device-time-and-compare enter code here NSString localString @ 2012 02 10T23 53 46 0000 NSString serverTime @ 2012 02 11T06 17 39 0000 NSDateFormatter dateFormatter NSDateFormatter alloc init dateFormatter setDateFormat @ yyyy MM dd HH mm ss NSTimeZone sourceTimeZone.. NSString localString @ 2012 02 10T23 53 46 0000 NSString serverTime @ 2012 02 11T06 17 39 0000 NSDateFormatter dateFormatter NSDateFormatter alloc init dateFormatter setDateFormat @ yyyy MM dd HH mm ss NSTimeZone sourceTimeZone NSTimeZone timeZoneWithAbbreviation.. @ 2012 02 10T23 53 46 0000 NSString serverTime @ 2012 02 11T06 17 39 0000 NSDateFormatter dateFormatter NSDateFormatter alloc init dateFormatter setDateFormat @ yyyy MM dd HH mm ss NSTimeZone sourceTimeZone NSTimeZone timeZoneWithAbbreviation..
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