2014/10/15 下午 10:10:02

iphone Programming Glossary: hello

http://stackoverflow.com/questions/131062/iphone-viewwillappear-not-firing

to Cocoa and iPhone so it would be nice if there were useful examples from Apple besides the basic Hello World crap. Any help is greatly appreciated... iphone ios cocoa touch share improve this question..

iPhone sending POST with NSURLConnection

http://stackoverflow.com/questions/2071788/iphone-sending-post-with-nsurlconnection

the data to be found in the _POST array of PHP it should look like this const char bytes mydata Hello 20World If you want to send XML Data you need to set a different HTTP Content Type. E.g. you might set..

How can I send mail from an iPhone application

http://stackoverflow.com/questions/310946/how-can-i-send-mail-from-an-iphone-application

controller.mailComposeDelegate self controller setSubject @ My Subject controller setMessageBody @ Hello there. isHTML NO if controller self presentModalViewController controller animated YES controller release..

iphone/ipad: How exactly use NSAttributedString?

http://stackoverflow.com/questions/3786528/iphone-ipad-how-exactly-use-nsattributedstring

NSMutableAttributedString attrStr NSMutableAttributedString attributedStringWithString @ Hello World for those calls we don't specify a range so it affects the whole string attrStr setFont UIFont.. UIFont systemFontOfSize 12 attrStr setTextColor UIColor grayColor now we only change the color of Hello attrStr setTextColor UIColor redColor range NSMakeRange 0 5 2 Affect the NSAttributedString to the OHAttributedLabel.. attrStr Use the Justified alignment myAttributedLabel.textAlignment UITextAlignmentJustify Hello World will be displayed in the label justified Hello in red and World in gray. Note In iOS 6 you can..

iOS SDK - Programmatically generate a PDF file

http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file

pdfContext kCGTextFill CGContextSetRGBFillColor pdfContext 0 0 0 1 const char text Hello World CGContextShowTextAtPoint pdfContext 260 390 text strlen text End text We are done drawing to this..

How do I size a UITextView to its content?

http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content

to conform to its content Say for instance I have a UITextView that contains one line of text Hello world I then add another line of text Goodbye world Is there a good way in Cocoa Touch to get the rect..

Understanding reference counting with Cocoa and Objective-C

http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c

1 but after the event loop completes it will be destroyed. NSString s NSString stringWithString @ Hello World If you want to hang onto that string you'd need to call retain explicitly and then explicitly.. very contrived bit of code and you'll see a situation where autorelease is required NSString createHelloWorldString NSString s NSString alloc initWithString @ Hello World Now what We want to return s but we've.. autorelease is required NSString createHelloWorldString NSString s NSString alloc initWithString @ Hello World Now what We want to return s but we've upped its reference count. The caller shouldn't be responsible..

Consume WCF Web Service using Objective-C on iPhone

http://stackoverflow.com/questions/982622/consume-wcf-web-service-using-objective-c-on-iphone

WCF Web Service using Objective C on iPhone I am having a hard time consuming a very simple Hello World WCF web service in my iPhone app. From what I have read you must manually create the request message..

How to intercept touches events on a MKMapView or UIWebView objects?

http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects

@implementation MapViewWithTouches void touchesBegan NSSet touches withEvent UIEvent event NSLog @ hello super touchesBegan touches withEvent event @end But it looks like when I use this class I see nothing..

Difference between self.ivar and ivar?

http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar

@implementation aClass @synthesize name void dealloc name release super dealloc void test1 name @ hello void test2 self.name @ hello Take above as an example. Could someone please explain the difference between.. name void dealloc name release super dealloc void test1 name @ hello void test2 self.name @ hello Take above as an example. Could someone please explain the difference between name @ hello and self.name.. @ hello Take above as an example. Could someone please explain the difference between name @ hello and self.name @ hello Thanks EDIT Follow up question How to write my own setter for an ivar i.e. self.ivar..

AES interoperability between .Net and iPhone?

http://stackoverflow.com/questions/538435/aes-interoperability-between-net-and-iphone

PaddingMode.PKCS7 kCCOptionPKCS7Padding I tried different ways of generating ciphertext. hello hello is e0PnmbTg 3cT3W 92CDw1Q in .Net yrKe5Z7p7MNqx9 CbBvNqQ on iPhone and openssl enc aes 128 cbc.. PaddingMode.PKCS7 kCCOptionPKCS7Padding I tried different ways of generating ciphertext. hello hello is e0PnmbTg 3cT3W 92CDw1Q in .Net yrKe5Z7p7MNqx9 CbBvNqQ on iPhone and openssl enc aes 128 cbc nosalt.. 3cT3W 92CDw1Q in .Net yrKe5Z7p7MNqx9 CbBvNqQ on iPhone and openssl enc aes 128 cbc nosalt a in hello.txt pass pass hello generates QA Ul r6Zmr7yHipMcHSbQ Update I've posted the working code for this here..

iPhone viewWillAppear not firing

http://stackoverflow.com/questions/131062/iphone-viewwillappear-not-firing

mean. How do you indirectly add a view. I am fairly new to Cocoa and iPhone so it would be nice if there were useful examples from Apple besides the basic Hello World crap. Any help is greatly appreciated... iphone ios cocoa touch share improve this question If you use a navigation controller and set its delegate then..

iPhone sending POST with NSURLConnection

http://stackoverflow.com/questions/2071788/iphone-sending-post-with-nsurlconnection

improve this question Your data is wrong. If you expect the data to be found in the _POST array of PHP it should look like this const char bytes mydata Hello 20World If you want to send XML Data you need to set a different HTTP Content Type. E.g. you might set application xml charset utf 8 If you set no HTTP Content..

How can I send mail from an iPhone application

http://stackoverflow.com/questions/310946/how-can-i-send-mail-from-an-iphone-application

controller MFMailComposeViewController alloc init controller.mailComposeDelegate self controller setSubject @ My Subject controller setMessageBody @ Hello there. isHTML NO if controller self presentModalViewController controller animated YES controller release Then the user does the work and you get the delegate callback..

iphone/ipad: How exactly use NSAttributedString?

http://stackoverflow.com/questions/3786528/iphone-ipad-how-exactly-use-nsattributedstring

#import OHAttributedLabel.h 1 Build the NSAttributedString NSMutableAttributedString attrStr NSMutableAttributedString attributedStringWithString @ Hello World for those calls we don't specify a range so it affects the whole string attrStr setFont UIFont systemFontOfSize 12 attrStr setTextColor UIColor grayColor.. a range so it affects the whole string attrStr setFont UIFont systemFontOfSize 12 attrStr setTextColor UIColor grayColor now we only change the color of Hello attrStr setTextColor UIColor redColor range NSMakeRange 0 5 2 Affect the NSAttributedString to the OHAttributedLabel myAttributedLabel.attributedText attrStr Use.. to the OHAttributedLabel myAttributedLabel.attributedText attrStr Use the Justified alignment myAttributedLabel.textAlignment UITextAlignmentJustify Hello World will be displayed in the label justified Hello in red and World in gray. Note In iOS 6 you can render attributed strings using the attributedText property..

iOS SDK - Programmatically generate a PDF file

http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file

pdfContext Helvetica 16 kCGEncodingMacRoman CGContextSetTextDrawingMode pdfContext kCGTextFill CGContextSetRGBFillColor pdfContext 0 0 0 1 const char text Hello World CGContextShowTextAtPoint pdfContext 260 390 text strlen text End text We are done drawing to this page let's end it We could add as many pages as we wanted..

How do I size a UITextView to its content?

http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content

content Is there a good way to adjust the size of a UITextView to conform to its content Say for instance I have a UITextView that contains one line of text Hello world I then add another line of text Goodbye world Is there a good way in Cocoa Touch to get the rect that will hold all of the lines in the text view so that..

Understanding reference counting with Cocoa and Objective-C

http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c

following example the variable s has a reference count of 1 but after the event loop completes it will be destroyed. NSString s NSString stringWithString @ Hello World If you want to hang onto that string you'd need to call retain explicitly and then explicitly release it when you're done. Consider the following very contrived.. release it when you're done. Consider the following very contrived bit of code and you'll see a situation where autorelease is required NSString createHelloWorldString NSString s NSString alloc initWithString @ Hello World Now what We want to return s but we've upped its reference count. The caller shouldn't be responsible.. very contrived bit of code and you'll see a situation where autorelease is required NSString createHelloWorldString NSString s NSString alloc initWithString @ Hello World Now what We want to return s but we've upped its reference count. The caller shouldn't be responsible for releasing it since we're the ones that created it...

Consume WCF Web Service using Objective-C on iPhone

http://stackoverflow.com/questions/982622/consume-wcf-web-service-using-objective-c-on-iphone

How to intercept touches events on a MKMapView or UIWebView objects?

http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects

@end And the implementation #import MapViewWithTouches.h @implementation MapViewWithTouches void touchesBegan NSSet touches withEvent UIEvent event NSLog @ hello super touchesBegan touches withEvent event @end But it looks like when I use this class I see nothing on the Console MapViewWithTouches mapView MapViewWithTouches..

Difference between self.ivar and ivar?

http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar

nonatomic retain IBOutlet NSString name @end aclass.m @implementation aClass @synthesize name void dealloc name release super dealloc void test1 name @ hello void test2 self.name @ hello Take above as an example. Could someone please explain the difference between name @ hello and self.name @ hello Thanks EDIT Follow.. NSString name @end aclass.m @implementation aClass @synthesize name void dealloc name release super dealloc void test1 name @ hello void test2 self.name @ hello Take above as an example. Could someone please explain the difference between name @ hello and self.name @ hello Thanks EDIT Follow up question How to write my.. super dealloc void test1 name @ hello void test2 self.name @ hello Take above as an example. Could someone please explain the difference between name @ hello and self.name @ hello Thanks EDIT Follow up question How to write my own setter for an ivar i.e. self.ivar ... iphone objective c ios share improve this question..

AES interoperability between .Net and iPhone?

http://stackoverflow.com/questions/538435/aes-interoperability-between-net-and-iphone

128 kCCBlockSizeAES128 result.Mode CipherMode.CBC result.Padding PaddingMode.PKCS7 kCCOptionPKCS7Padding I tried different ways of generating ciphertext. hello hello is e0PnmbTg 3cT3W 92CDw1Q in .Net yrKe5Z7p7MNqx9 CbBvNqQ on iPhone and openssl enc aes 128 cbc nosalt a in hello.txt pass pass hello generates QA Ul r6Zmr7yHipMcHSbQ.. kCCBlockSizeAES128 result.Mode CipherMode.CBC result.Padding PaddingMode.PKCS7 kCCOptionPKCS7Padding I tried different ways of generating ciphertext. hello hello is e0PnmbTg 3cT3W 92CDw1Q in .Net yrKe5Z7p7MNqx9 CbBvNqQ on iPhone and openssl enc aes 128 cbc nosalt a in hello.txt pass pass hello generates QA Ul r6Zmr7yHipMcHSbQ.. ways of generating ciphertext. hello hello is e0PnmbTg 3cT3W 92CDw1Q in .Net yrKe5Z7p7MNqx9 CbBvNqQ on iPhone and openssl enc aes 128 cbc nosalt a in hello.txt pass pass hello generates QA Ul r6Zmr7yHipMcHSbQ Update I've posted the working code for this here . .net iphone encryption aes share improve this question..

How to share or post by mail, twitter and facebook from the current application?

http://stackoverflow.com/questions/10860652/how-to-share-or-post-by-mail-twitter-and-facebook-from-the-current-application

picker MFMailComposeViewController alloc init picker.mailComposeDelegate self picker setSubject @ Hello your subject here Set up recipients UIImage image UIImage imageNamed @ anyImage.png NSData myData UIImageJPEGRepresentation..

iPhone viewWillAppear not firing

http://stackoverflow.com/questions/131062/iphone-viewwillappear-not-firing

I am fairly new to Cocoa and iPhone so it would be nice if there were useful examples from Apple besides the basic Hello World crap. Any help is greatly appreciated... iphone ios cocoa touch share improve this question If you use a navigation..

iphone email attachment

http://stackoverflow.com/questions/1389655/iphone-email-attachment

picker MFMailComposeViewController alloc init picker.mailComposeDelegate self picker setSubject @ Hello Set up recipients NSArray toRecipients NSArray arrayWithObject @ first@example.com NSArray ccRecipients NSArray arrayWithObjects..

iPhone Dev: UIWebView baseUrl to resources in Documents folder not App bundle

http://stackoverflow.com/questions/1926117/iphone-dev-uiwebview-baseurl-to-resources-in-documents-folder-not-app-bundle

@ withString @ imagePath imagePath stringByReplacingOccurrencesOfString @ withString @ 20 NSString HTMLData @ h1 Hello this is a test h1 img src sample.jpg alt width 100 height 100 webView loadHTMLString HTMLData baseURL NSURL URLWithString..

iPhone sending POST with NSURLConnection

http://stackoverflow.com/questions/2071788/iphone-sending-post-with-nsurlconnection

wrong. If you expect the data to be found in the _POST array of PHP it should look like this const char bytes mydata Hello 20World If you want to send XML Data you need to set a different HTTP Content Type. E.g. you might set application xml charset..

UITableView issue when using separate delegate/dataSource

http://stackoverflow.com/questions/254354/uitableview-issue-when-using-separate-delegate-datasource

if cell nil cell UITableViewCell alloc initWithFrame CGRectZero reuseIdentifier CellIdentifier autorelease cell.text @ Hello NSLog @ Returning cell return cell Build and Go and you should see the word Hello appear in the UITableView Now to attempt.. autorelease cell.text @ Hello NSLog @ Returning cell return cell Build and Go and you should see the word Hello appear in the UITableView Now to attempt to move this UITableView 's logic out to a separate class first create a new file..

How can I send mail from an iPhone application

http://stackoverflow.com/questions/310946/how-can-i-send-mail-from-an-iphone-application

alloc init controller.mailComposeDelegate self controller setSubject @ My Subject controller setMessageBody @ Hello there. isHTML NO if controller self presentModalViewController controller animated YES controller release Then the user..

Notification of changes to the iPhone's /Documents directory

http://stackoverflow.com/questions/3181821/notification-of-changes-to-the-iphones-documents-directory

of changes to the iPhone's Documents directory Hello We have an app that uses file sharing. UIFileSharingEnable is set etc. and it all seems to work fine but I'm looking for..

iphone/ipad: How exactly use NSAttributedString?

http://stackoverflow.com/questions/3786528/iphone-ipad-how-exactly-use-nsattributedstring

Build the NSAttributedString NSMutableAttributedString attrStr NSMutableAttributedString attributedStringWithString @ Hello World for those calls we don't specify a range so it affects the whole string attrStr setFont UIFont systemFontOfSize 12.. attrStr setFont UIFont systemFontOfSize 12 attrStr setTextColor UIColor grayColor now we only change the color of Hello attrStr setTextColor UIColor redColor range NSMakeRange 0 5 2 Affect the NSAttributedString to the OHAttributedLabel myAttributedLabel.attributedText.. attrStr Use the Justified alignment myAttributedLabel.textAlignment UITextAlignmentJustify Hello World will be displayed in the label justified Hello in red and World in gray. Note In iOS 6 you can render attributed strings..

iOS SDK - Programmatically generate a PDF file

http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file

CGContextSetTextDrawingMode pdfContext kCGTextFill CGContextSetRGBFillColor pdfContext 0 0 0 1 const char text Hello World CGContextShowTextAtPoint pdfContext 260 390 text strlen text End text We are done drawing to this page let's end it..

How do I size a UITextView to its content?

http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content

the size of a UITextView to conform to its content Say for instance I have a UITextView that contains one line of text Hello world I then add another line of text Goodbye world Is there a good way in Cocoa Touch to get the rect that will hold all..

Understanding reference counting with Cocoa and Objective-C

http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c

a reference count of 1 but after the event loop completes it will be destroyed. NSString s NSString stringWithString @ Hello World If you want to hang onto that string you'd need to call retain explicitly and then explicitly release it when you're.. the following very contrived bit of code and you'll see a situation where autorelease is required NSString createHelloWorldString NSString s NSString alloc initWithString @ Hello World Now what We want to return s but we've upped its reference.. a situation where autorelease is required NSString createHelloWorldString NSString s NSString alloc initWithString @ Hello World Now what We want to return s but we've upped its reference count. The caller shouldn't be responsible for releasing..

Application crashed while importing songs from Ipod library in Iphone for iOs 5.0

http://stackoverflow.com/questions/8077725/application-crashed-while-importing-songs-from-ipod-library-in-iphone-for-ios-5

crashed while importing songs from Ipod library in Iphone for iOs 5.0 Hello i am using below framworks #import MediaPlayer MediaPlayer.h #import AudioToolbox AudioToolbox.h #import AVFoundation AVFoundation.h..

Consume WCF Web Service using Objective-C on iPhone

http://stackoverflow.com/questions/982622/consume-wcf-web-service-using-objective-c-on-iphone

How to intercept touches events on a MKMapView or UIWebView objects?

http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects

Using NSURLRequest to pass key-value pairs to PHP script with POST

http://stackoverflow.com/questions/2544650/using-nsurlrequest-to-pass-key-value-pairs-to-php-script-with-post

solve the issue by using stuff given here . Code NSString myRequestString @ sender my 20sender rcpt my 20rcpt message hello NSData myRequestData NSData dataWithBytes myRequestString UTF8String length myRequestString length NSMutableURLRequest request..

String comparison in Objective-C [closed]

http://stackoverflow.com/questions/2592511/string-comparison-in-objective-c

in Objective C closed I'm trying to check if a NSString is equal to another NSString like so NSString myString @ hello world NSString myString2 @ hello world if myString myString2 return Why aren't myString and myString2 equal ios iphone.. to check if a NSString is equal to another NSString like so NSString myString @ hello world NSString myString2 @ hello world if myString myString2 return Why aren't myString and myString2 equal ios iphone objective c nsstring share improve..

Strange issue after upgrading to iOS 4.1 SDK

http://stackoverflow.com/questions/3677879/strange-issue-after-upgrading-to-ios-4-1-sdk

to be defined anywhere. I get this error when pre compiling the .pch file of my app. What's curious is that a simple hello world app compiles. Any idea what can I do Thanks in advance Stelian iphone ios share improve this question This is..

Difference between self.ivar and ivar?

http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar

name @end aclass.m @implementation aClass @synthesize name void dealloc name release super dealloc void test1 name @ hello void test2 self.name @ hello Take above as an example. Could someone please explain the difference between name @ hello.. aClass @synthesize name void dealloc name release super dealloc void test1 name @ hello void test2 self.name @ hello Take above as an example. Could someone please explain the difference between name @ hello and self.name @ hello Thanks.. void test2 self.name @ hello Take above as an example. Could someone please explain the difference between name @ hello and self.name @ hello Thanks EDIT Follow up question How to write my own setter for an ivar i.e. self.ivar ... iphone objective..

AES interoperability between .Net and iPhone?

http://stackoverflow.com/questions/538435/aes-interoperability-between-net-and-iphone

CipherMode.CBC result.Padding PaddingMode.PKCS7 kCCOptionPKCS7Padding I tried different ways of generating ciphertext. hello hello is e0PnmbTg 3cT3W 92CDw1Q in .Net yrKe5Z7p7MNqx9 CbBvNqQ on iPhone and openssl enc aes 128 cbc nosalt a in hello.txt.. result.Padding PaddingMode.PKCS7 kCCOptionPKCS7Padding I tried different ways of generating ciphertext. hello hello is e0PnmbTg 3cT3W 92CDw1Q in .Net yrKe5Z7p7MNqx9 CbBvNqQ on iPhone and openssl enc aes 128 cbc nosalt a in hello.txt pass.. hello hello is e0PnmbTg 3cT3W 92CDw1Q in .Net yrKe5Z7p7MNqx9 CbBvNqQ on iPhone and openssl enc aes 128 cbc nosalt a in hello.txt pass pass hello generates QA Ul r6Zmr7yHipMcHSbQ Update I've posted the working code for this here . .net iphone encryption..

iPhone SDK - Google TTS and encoding

http://stackoverflow.com/questions/5923974/iphone-sdk-google-tts-and-encoding

support multi languages. Here is my request URL requestUrlStr @ http www.translate.google.com translate_tts tl en q hello for english the above url has no problem but for Chinese requestUrlStr @ http www.translate.google.com translate_tts tl..

How to convert HEX to NSString in Objective-C?

http://stackoverflow.com/questions/6421282/how-to-convert-hex-to-nsstring-in-objective-c

to convert HEX to NSString in Objective C I have a NSString with hex string like 68656C6C6F which means hello . Now I want to convert the hex string into another NSString object which shows hello . How to do that iphone ios ipad.. like 68656C6C6F which means hello . Now I want to convert the hex string into another NSString object which shows hello . How to do that iphone ios ipad share improve this question I am sure there are far better cleverer ways to do this..

Watching memory usage in iOS

http://stackoverflow.com/questions/7989864/watching-memory-usage-in-ios

in usage 100kb. It outputs to the debug log like this on the simulator the free space is huge 2011 11 02 21 55 58.928 hello 971 207 Memory used 21884.9 21885 free 1838366.8 kb 2011 11 02 21 55 59.936 hello 971 207 Memory used 28512.3 6627 free.. is huge 2011 11 02 21 55 58.928 hello 971 207 Memory used 21884.9 21885 free 1838366.8 kb 2011 11 02 21 55 59.936 hello 971 207 Memory used 28512.3 6627 free 1830809.6 kb 2011 11 02 21 56 01.936 hello 971 207 Memory used 28803.1 291 free 1830129.6.. 1838366.8 kb 2011 11 02 21 55 59.936 hello 971 207 Memory used 28512.3 6627 free 1830809.6 kb 2011 11 02 21 56 01.936 hello 971 207 Memory used 28803.1 291 free 1830129.6 kb 2011 11 02 21 56 02.936 hello 971 207 Memory used 29712.4 909 free 1830142.0..

Xcode - UILabel - auto-size label to fit text?

http://stackoverflow.com/questions/8796862/xcode-uilabel-auto-size-label-to-fit-text

the UILabel box bounds to fit the contained text I don't care if it ends up larger than the display So if a use enters hello or mynameisreallylongiwantittofitinthisbox it is never truncated and the label is 'widened' accordingly THANKS iphone objective..