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2014/10/15 ¤U¤È 10:14:43
iphone Programming Glossary: takeHTML character decoding in Objective-C / Cocoa Touch http://stackoverflow.com/questions/1105169/html-character-decoding-in-objective-c-cocoa-touch touch share improve this question Those are called Character Entity References . When they take the form of # number they are called numeric entity references . Basically it's a string representation..
Detect the specific iPhone/iPod touch model [duplicate] http://stackoverflow.com/questions/1108859/detect-the-specific-iphone-ipod-touch-model or something. EDIT There is a category to UIDevice I think it's created by Erica Sadun I don't take credit for it that uses the following code to get the specific device model. You can find the whole..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution 4 inch screen else code for 3.5 inch screen Also note The auto rotation API has changed completely take a look at that as well if your application supports any rotation other than default. share improve..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how errors in iOS 7. I just spent a few hours working through this problem and ultimately decided to take a different approach. I replaced the call to show the action sheet with a modal view controller containing..
http://stackoverflow.com/questions/158914/cropping-a-uiimage code that resizes an image so I can get a scaled chunk of the center of the image I use this to take a UIImage and return a small square representation of an image similar to what's seen in the album view..
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript param2 param3 In your delegate method look for these fake URLs extract the information you need take whatever action is appropriate and return NO to cancel the navigation. It's probably best if you defer..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language if you wish by using the setObject forKey method to set your own language list. This will take precedence over the globally set value and be returned to any code in your application that is performing..
How to take a screenshot programmatically http://stackoverflow.com/questions/2200736/how-to-take-a-screenshot-programmatically to take a screenshot programmatically I want a screenshot of the image on the screen saved into the saved photo..
The simplest way to resize an UIImage? http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage simplest way to resize an UIImage In my iPhone app I take a picture with the camera then I want to resize it to 290 390 pixels. I was using this method to resize..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk for just the fix though I recommend reading all of this. I also recommend John Muchow's excellent take on this issue. If you are specifically interested in the Xcode 3.2.4 upgrade which has a strongly related..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received you are experienced with Objective C in general. If you've come from another background it can take a little while before you really internalise the memory management rules unless you make a big point..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store Platforms iPhoneOS.platform Info.plist If you have Xcode open restart it for this change to take effect. Manual Deployment over WiFi The following steps require openssh and uikittools to be installed..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints presenting it while the scale is x1. CATiledLayer rendering kicks in once the scale is 1. iBooks takes a similar double take approach as if you scroll the pages you can see a lower res version of the page.. scale is x1. CATiledLayer rendering kicks in once the scale is 1. iBooks takes a similar double take approach as if you scroll the pages you can see a lower res version of the page for just less than a..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload andContentType @ image jpg forKey @ imageFile request startAsynchronous the problem when i take a picture with the iphone while holding it landscape the image gets uploaded to the server and it viewed..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers onto the navigation controller. For an example of how to do this visually using Interface Builder take a look at this tutorial . Third and perhaps most importantly note that the best practices mentioned..
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 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 This..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller overlay. I have attached an image of what this looks like while its running for the few seconds it takes . Please note I take no credit for creating the SMTP framework. It was downloaded from the internet.. an image of what this looks like while its running for the few seconds it takes . Please note I take no credit for creating the SMTP framework. It was downloaded from the internet after searching for it..
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 is NULL After this you need to parse the response grab the session key and create a UIWebView to take them to the mobile paypal site. Paypal lets you specify a return URL which you can make anything you..
Is there a barcode recognition framework for iOS? http://stackoverflow.com/questions/838724/is-there-a-barcode-recognition-framework-for-ios can decode QR Codes. The source code is available from the zxing project specifically you want to take a look at the iPhone client and the partial C port of the core library . The port is a little old from..
Reducing piracy of iPhone applications http://stackoverflow.com/questions/846309/reducing-piracy-of-iphone-applications then performing set instructions should make it more difficult for crackers and pirates. I can't take credit for this so please visit How to Thwart iPhone IPA Crackers. There's loads of information there..
how to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif I found ... Just looking at the dumped private APIs it looks like ChatKit.framework could help. Take a look at CKSMSService.h or CKMadridService.h for iMessage messages. I did quickly attempt to swizzle..
How to sort a NSArray alphabetically? http://stackoverflow.com/questions/1351182/how-to-sort-a-nsarray-alphabetically into alphabetical order iphone objective c sorting nsarray share improve this question Take a look here Apple Documentation The simplest approach is to provide a sort selector see the link for..
How to add more details in MKAnnotation in iOS http://stackoverflow.com/questions/2342070/how-to-add-more-details-in-mkannotation-in-ios help me..Thanks in advance. iphone objective c ios mkannotation share improve this question Take a look at creating a custom MKAnnotationView object... it is basically a UIView that is tailored for..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel and normal but you could also have different font size different color italics underlined etc. Take a look at NSAttributedString NSMutableAttributedString and CoreText attributes string keys . Hope it..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie something like I want. Thx iphone export uiimage avfoundation share improve this question Take a look at AVAssetWriter and the rest of the AVFoundation framework . The writer has an input of type..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone them to your project TFpple.h TFpple.m TFppleElement.h TFppleElement.m XPathQuery.h XPathQuery.m Take a walk on w3school XPath Tutorial to feel comfortable with the XPath language. Code Example #import..
Difference between self.ivar and ivar? http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar 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..
Where are an UIWebView's cookies stored? http://stackoverflow.com/questions/771498/where-are-an-uiwebviews-cookies-stored cookieJar cookies NSLog @ @ cookie Several methods are available for filtering and manipulation. Take a look at the NSHTTPCookieStorage documentation for accessing cookies and the NSHTTPCookie documentation..
HTML character decoding in Objective-C / Cocoa Touch http://stackoverflow.com/questions/1105169/html-character-decoding-in-objective-c-cocoa-touch hexadecimal characters. iphone html objective c cocoa cocoa touch share improve this question Those are called Character Entity References . When they take the form of # number they are called numeric entity references . Basically it's a string representation of the byte that should be substituted. In the case of #038..
Detect the specific iPhone/iPod touch model [duplicate] http://stackoverflow.com/questions/1108859/detect-the-specific-iphone-ipod-touch-model specific device model like iPhone 3GS iPod touch 1st generation or something. EDIT There is a category to UIDevice I think it's created by Erica Sadun I don't take credit for it that uses the following code to get the specific device model. You can find the whole category here along with other useful stuff https github.com..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how of an ActionSheet as it can lead to serious invalid context errors in iOS 7. I just spent a few hours working through this problem and ultimately decided to take a different approach. I replaced the call to show the action sheet with a modal view controller containing a simple tableview. There are many ways to accomplish..
http://stackoverflow.com/questions/158914/cropping-a-uiimage a UIImage I've got some code that resizes an image so I can get a scaled chunk of the center of the image I use this to take a UIImage and return a small square representation of an image similar to what's seen in the album view of the Photos app. I know I could use a UIImageView and..
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript like say window.location fake myApp something_happened param1 param2 param3 In your delegate method look for these fake URLs extract the information you need take whatever action is appropriate and return NO to cancel the navigation. It's probably best if you defer any lengthy processing using some flavor of performSelector..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language You can override the global setting for your own application if you wish by using the setObject forKey method to set your own language list. This will take precedence over the globally set value and be returned to any code in your application that is performing localization. The code for this would look something like..
How to take a screenshot programmatically http://stackoverflow.com/questions/2200736/how-to-take-a-screenshot-programmatically to take a screenshot programmatically I want a screenshot of the image on the screen saved into the saved photo library iphone share improve this question UIGraphicsBeginImageContext..
The simplest way to resize an UIImage? http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage simplest way to resize an UIImage In my iPhone app I take a picture with the camera then I want to resize it to 290 390 pixels. I was using this method to resize the image UIImage newImage image _imageScaledToSize CGSizeMake..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk Base SDK Missing problem. You can skip to the bottom for just the fix though I recommend reading all of this. I also recommend John Muchow's excellent take on this issue. If you are specifically interested in the Xcode 3.2.4 upgrade which has a strongly related problem you might want to confer here . One SDK to rule..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received working on iPhone development for a few weeks but not whether you are experienced with Objective C in general. If you've come from another background it can take a little while before you really internalise the memory management rules unless you make a big point of it. Remember anything you get from an allocation function..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store i .bak 's XCiPhoneOSCodeSignContext XCCodeSignContext ' Developer Platforms iPhoneOS.platform Info.plist If you have Xcode open restart it for this change to take effect. Manual Deployment over WiFi The following steps require openssh and uikittools to be installed first. Replace jasoniphone.local with the hostname of the..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints a UIImage of a page in a separate thread issues here too and presenting it while the scale is x1. CATiledLayer rendering kicks in once the scale is 1. iBooks takes a similar double take approach as if you scroll the pages you can see a lower res version of the page for just less than a second before a crisp version appears... a separate thread issues here too and presenting it while the scale is x1. CATiledLayer rendering kicks in once the scale is 1. iBooks takes a similar double take approach as if you scroll the pages you can see a lower res version of the page for just less than a second before a crisp version appears. Im rendering 2 pages..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload NSString stringWithFormat @ d.jpg NSDate date timeIntervalSinceNow andContentType @ image jpg forKey @ imageFile request startAsynchronous the problem when i take a picture with the iphone while holding it landscape the image gets uploaded to the server and it viewed like you would expect. when taking a picture holding the..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers for an example of how to programmatically push a controller onto the navigation controller. For an example of how to do this visually using Interface Builder take a look at this tutorial . Third and perhaps most importantly note that the best practices mentioned in the Stanford presentation are much easier to understand if..
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 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 This creates an NSData instance containing the raw bytes for a JPEG..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller some code that sends the email with a nice please wait overlay. I have attached an image of what this looks like while its running for the few seconds it takes . Please note I take no credit for creating the SMTP framework. It was downloaded from the internet after searching for it forever. The zip file that you can download.. the email with a nice please wait overlay. I have attached an image of what this looks like while its running for the few seconds it takes . Please note I take no credit for creating the SMTP framework. It was downloaded from the internet after searching for it forever. The zip file that you can download includes the overlay..
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 retain self displayConnectingView else NSLog @ theConnection is NULL After this you need to parse the response grab the session key and create a UIWebView to take them to the mobile paypal site. Paypal lets you specify a return URL which you can make anything you want. Just keep checking the UIWebview in the delegate method..
Is there a barcode recognition framework for iOS? http://stackoverflow.com/questions/838724/is-there-a-barcode-recognition-framework-for-ios we produced the 'Barcodes' application for the iPhone. It can decode QR Codes. The source code is available from the zxing project specifically you want to take a look at the iPhone client and the partial C port of the core library . The port is a little old from circa the 0.9 release of the Java code but should still work..
Reducing piracy of iPhone applications http://stackoverflow.com/questions/846309/reducing-piracy-of-iphone-applications of the App Store applications we build so checking for nil then performing set instructions should make it more difficult for crackers and pirates. I can't take credit for this so please visit How to Thwart iPhone IPA Crackers. There's loads of information there about piracy on iPhone and how to curb it. share improve..
how to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif ios5 sms jailbreak share improve this question Here's what I found ... Just looking at the dumped private APIs it looks like ChatKit.framework could help. Take a look at CKSMSService.h or CKMadridService.h for iMessage messages. I did quickly attempt to swizzle my own method in for a couple methods in CKSMSService void..
How to sort a NSArray alphabetically? http://stackoverflow.com/questions/1351182/how-to-sort-a-nsarray-alphabetically How can I sort an array filled with UIFont familyNames into alphabetical order iphone objective c sorting nsarray share improve this question Take a look here Apple Documentation The simplest approach is to provide a sort selector see the link for details sortedArray anArray sortedArrayUsingSelector @selector..
How to add more details in MKAnnotation in iOS http://stackoverflow.com/questions/2342070/how-to-add-more-details-in-mkannotation-in-ios title and subtitle. How can I add more details on the map Plz help me..Thanks in advance. iphone objective c ios mkannotation share improve this question Take a look at creating a custom MKAnnotationView object... it is basically a UIView that is tailored for map annotations. In that object you could have your 4 custom..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie I hope someone can help me or send me a code snippet which does something like I want. Thx iphone export uiimage avfoundation share improve this question Take a look at AVAssetWriter and the rest of the AVFoundation framework . The writer has an input of type AVAssetWriterInput which in turn has a method called appendSampleBuffer..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone lxml2 From hpple get the following source code files an add them to your project TFpple.h TFpple.m TFppleElement.h TFppleElement.m XPathQuery.h XPathQuery.m Take a walk on w3school XPath Tutorial to feel comfortable with the XPath language. Code Example #import TFHpple.h NSData data NSData alloc initWithContentsOfFile @..
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 and self.name @ hello Thanks EDIT Follow up question How to write my own setter..
Where are an UIWebView's cookies stored? http://stackoverflow.com/questions/771498/where-are-an-uiwebviews-cookies-stored NSHTTPCookieStorage sharedHTTPCookieStorage for cookie in cookieJar cookies NSLog @ @ cookie Several methods are available for filtering and manipulation. Take a look at the NSHTTPCookieStorage documentation for accessing cookies and the NSHTTPCookie documentation for accessing individual cookie properties. share improve..
HTML character decoding in Objective-C / Cocoa Touch http://stackoverflow.com/questions/1105169/html-character-decoding-in-objective-c-cocoa-touch objective c cocoa cocoa touch share improve this question Those are called Character Entity References . When they take the form of # number they are called numeric entity references . Basically it's a string representation of the byte that..
Detect the specific iPhone/iPod touch model [duplicate] http://stackoverflow.com/questions/1108859/detect-the-specific-iphone-ipod-touch-model touch 1st generation or something. EDIT There is a category to UIDevice I think it's created by Erica Sadun I don't take credit for it that uses the following code to get the specific device model. You can find the whole category here along..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how invalid context errors in iOS 7. I just spent a few hours working through this problem and ultimately decided to take a different approach. I replaced the call to show the action sheet with a modal view controller containing a simple tableview...
http://stackoverflow.com/questions/158914/cropping-a-uiimage UIImage I've got some code that resizes an image so I can get a scaled chunk of the center of the image I use this to take a UIImage and return a small square representation of an image similar to what's seen in the album view of the Photos app...
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript param1 param2 param3 In your delegate method look for these fake URLs extract the information you need take whatever action is appropriate and return NO to cancel the navigation. It's probably best if you defer any lengthy processing..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language for your own application if you wish by using the setObject forKey method to set your own language list. This will take precedence over the globally set value and be returned to any code in your application that is performing localization...
How to take a screenshot programmatically http://stackoverflow.com/questions/2200736/how-to-take-a-screenshot-programmatically to take a screenshot programmatically I want a screenshot of the image on the screen saved into the saved photo library iphone..
The simplest way to resize an UIImage? http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage simplest way to resize an UIImage In my iPhone app I take a picture with the camera then I want to resize it to 290 390 pixels. I was using this method to resize the image UIImage..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk skip to the bottom for just the fix though I recommend reading all of this. I also recommend John Muchow's excellent take on this issue. If you are specifically interested in the Xcode 3.2.4 upgrade which has a strongly related problem you might..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received weeks but not whether you are experienced with Objective C in general. If you've come from another background it can take a little while before you really internalise the memory management rules unless you make a big point of it. Remember anything..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store ' Developer Platforms iPhoneOS.platform Info.plist If you have Xcode open restart it for this change to take effect. Manual Deployment over WiFi The following steps require openssh and uikittools to be installed first. Replace jasoniphone.local..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints issues here too and presenting it while the scale is x1. CATiledLayer rendering kicks in once the scale is 1. iBooks takes a similar double take approach as if you scroll the pages you can see a lower res version of the page for just less than.. it while the scale is x1. CATiledLayer rendering kicks in once the scale is 1. iBooks takes a similar double take approach as if you scroll the pages you can see a lower res version of the page for just less than a second before a crisp..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload date timeIntervalSinceNow andContentType @ image jpg forKey @ imageFile request startAsynchronous the problem when i take a picture with the iphone while holding it landscape the image gets uploaded to the server and it viewed like you would..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers push a controller onto the navigation controller. For an example of how to do this visually using Interface Builder take a look at this tutorial . Third and perhaps most importantly note that the best practices mentioned in the Stanford presentation..
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 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 This creates an NSData instance..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller a nice please wait overlay. I have attached an image of what this looks like while its running for the few seconds it takes . Please note I take no credit for creating the SMTP framework. It was downloaded from the internet after searching for.. I have attached an image of what this looks like while its running for the few seconds it takes . Please note I take no credit for creating the SMTP framework. It was downloaded from the internet after searching for it forever. The zip file..
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 NSLog @ theConnection is NULL After this you need to parse the response grab the session key and create a UIWebView to take them to the mobile paypal site. Paypal lets you specify a return URL which you can make anything you want. Just keep checking..
Is there a barcode recognition framework for iOS? http://stackoverflow.com/questions/838724/is-there-a-barcode-recognition-framework-for-ios for the iPhone. It can decode QR Codes. The source code is available from the zxing project specifically you want to take a look at the iPhone client and the partial C port of the core library . The port is a little old from circa the 0.9 release..
Reducing piracy of iPhone applications http://stackoverflow.com/questions/846309/reducing-piracy-of-iphone-applications so checking for nil then performing set instructions should make it more difficult for crackers and pirates. I can't take credit for this so please visit How to Thwart iPhone IPA Crackers. There's loads of information there about piracy on iPhone..
how to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif question Here's what I found ... Just looking at the dumped private APIs it looks like ChatKit.framework could help. Take a look at CKSMSService.h or CKMadridService.h for iMessage messages. I did quickly attempt to swizzle my own method in for..
Optimizing CLLocationManager/CoreLocation to retrieve data points faster on the iPhone http://stackoverflow.com/questions/1081219/optimizing-cllocationmanager-corelocation-to-retrieve-data-points-faster-on-the going to take longer and longer to improve your accuracy thus it gets expensive quickly. This is what you need to do Take a new value only if it is recent AND If the new location has slightly better accuracy take the new location OR If the new..
How to sort a NSArray alphabetically? http://stackoverflow.com/questions/1351182/how-to-sort-a-nsarray-alphabetically with UIFont familyNames into alphabetical order iphone objective c sorting nsarray share improve this question Take a look here Apple Documentation The simplest approach is to provide a sort selector see the link for details sortedArray..
How Do I Take a Screen Shot of a UIView? http://stackoverflow.com/questions/2214957/how-do-i-take-a-screen-shot-of-a-uiview Do I Take a Screen Shot of a UIView I am wondering how my iPhone app can take a screen shot of a specific UIView as a UIImage. I..
How to add more details in MKAnnotation in iOS http://stackoverflow.com/questions/2342070/how-to-add-more-details-in-mkannotation-in-ios on the map Plz help me..Thanks in advance. iphone objective c ios mkannotation share improve this question Take a look at creating a custom MKAnnotationView object... it is basically a UIView that is tailored for map annotations. In..
SEL performSelector and arguments http://stackoverflow.com/questions/2716143/sel-performselector-and-arguments NSObject parent int i 10 parent performSelector sel i iphone objective c selectors share improve this question Take a look at the NSObject documentation. In this case parent performSelector sel withObject NSNumber numberWithInt i note this..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel types of font bold and normal but you could also have different font size different color italics underlined etc. Take a look at NSAttributedString NSMutableAttributedString and CoreText attributes string keys . Hope it helps share improve..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie code snippet which does something like I want. Thx iphone export uiimage avfoundation share improve this question Take a look at AVAssetWriter and the rest of the AVFoundation framework . The writer has an input of type AVAssetWriterInput..
How do I open the Settings application from my application? http://stackoverflow.com/questions/377102/how-do-i-open-the-settings-application-from-my-application I can hope for is to show an alert explaining that some configuration needs to be entered via settings and provide a Take me there... button that will open settings and then open the section in settings for my app. If that's not possible opening..
Adding “Open In…” option to iOS app http://stackoverflow.com/questions/3981199/adding-open-in-option-to-ios-app my app in other apps. Is Mail the only app that provides this feature iphone ipad ios share improve this question Take a look at the Document Interaction Programming Topics for iOS Registering the File Types Your App Supports . As long as..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone code files an add them to your project TFpple.h TFpple.m TFppleElement.h TFppleElement.m XPathQuery.h XPathQuery.m Take a walk on w3school XPath Tutorial to feel comfortable with the XPath language. Code Example #import TFHpple.h NSData data..
Difference between self.ivar and ivar? http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar 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..
How to convert string to date in objective-c? http://stackoverflow.com/questions/4380381/how-to-convert-string-to-date-in-objective-c sucess. So please give me some idea about this format. Thanks in advance. iphone share improve this question Take a look at the class reference for NSDateFormatter . You use it like this NSString dateStr @ Tue 25 May 2010 12 53 58 0000..
UITextView ruled line background but wrong line height http://stackoverflow.com/questions/5375350/uitextview-ruled-line-background-but-wrong-line-height void textViewDidEndEditing UITextView textView note.frame self.view.bounds void dealloc note release super dealloc Take a look at Apple's documentation for Managing the Keyboard specifically Moving Content That Is Located Under the Keyboard..
How can I locally detect iPhone clock advancement by a user between app runs? http://stackoverflow.com/questions/7122216/how-can-i-locally-detect-iphone-clock-advancement-by-a-user-between-app-runs iphone objective c ios clock anti cheat share improve this question CACurrentMediaTime mach_absolute_time Take a look at this questions iOS How to measure passed time independent of clock and time zone changes Calculating number of..
iPhone Watermark on recorded Video. http://stackoverflow.com/questions/7205820/iphone-watermark-on-recorded-video give code examples for exactly the effect you would like but you should be able to mix and match pretty easily. EDIT Take a look at these links http www.benjaminloulier.com articles ios4 and direct access to the camera this is a really great..
Where are an UIWebView's cookies stored? http://stackoverflow.com/questions/771498/where-are-an-uiwebviews-cookies-stored for cookie in cookieJar cookies NSLog @ @ cookie Several methods are available for filtering and manipulation. Take a look at the NSHTTPCookieStorage documentation for accessing cookies and the NSHTTPCookie documentation for accessing individual..
Can iPhone apps start on start-up? http://stackoverflow.com/questions/9300815/can-iphone-apps-start-on-start-up Can we please clarify whether it is possible to auto start an app or not iphone ios share improve this question Take a look at the UIBackgroundModes section in this document it seems to state that adding the voip key will autostart an app..
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