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2014/10/15 ¤U¤È 10:03:31
iphone Programming Glossary: afterHow to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk may have set up in my case I just set a BOOL void checkNetworkStatus NSNotification notice called after network status changes NetworkStatus internetStatus internetReachable currentReachabilityStatus switch..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received signal received When deploying the application to the device the program will quit after a few cycles with the following error Program received signal EXC_BAD_ACCESS . The program runs without..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework A all the way through the process. so in the beginning we want to fill it with n real numbers. after the FFT it is going to be holding n 2 complex numbers. we then throw that into the inverse transform..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 of the script courtesy of Frederik Wallner open CREATING_UNIVERSAL_DIR Apple deletes all output after 200 lines. Select your Target and in the Run Script Phase you MUST untick Show environment variables..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store hostname of the target device. Be sure to set your own password on both the mobile and root users after installing SSH. To manually compile and install your application on the phone as a system app bypassing..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone slower with iOS5 maybe single core devices so I couldnt rely on the image to be available directly after calling findLargeImage . So I changed it to call out to a delegate. @protocol HiresImageDelegate NSObject..
Change User Agent in UIWebView (iPhone SDK) http://stackoverflow.com/questions/478387/change-user-agent-in-uiwebview-iphone-sdk
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content _textView.frame frame One thing to note is that the correct contentSize is only available after the UITextView has been added to the view with addSubview . Prior to that it is equal to frame.size..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload UIImagePickerController result image orientation after upload I am testing my iPhone application on an iOS 3.1.3 iPhone. I am selecting capturing an image.. modes upsidedown and regular . How can i make the image always show the correct orientation after uploading the image appears to be correct as displayed in an UIImageView directly after taking the picture.. after uploading the image appears to be correct as displayed in an UIImageView directly after taking the picture but viewing on the server says otherwise. iphone cocoa touch ios share improve..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c release you tell the object you are letting go of it and its reference count is decremented. If after calling release the reference count is now zero then that object's memory is freed by the system. The.. NSString s NSString alloc init Ref count is 1 s retain Ref count is 2 silly to do this after init s release Ref count is back to 1 s release Ref count is 0 object is freed Now for autorelease.. is used as a convenient and sometimes necessary way to tell the system to free this object up after a little while. From a plumbing perspective when autorelease is called the current thread's NSAutoreleasePool..
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 the locale and possibly also a format string so you'd have a ready to use formatter right after initializing it. @interface NSDateFormatter LocaleAdditions id initWithPOSIXLocaleAndFormat NSString..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown even though you don't want to use it. From the compiler's perspective it is an object after all. That means that if the method you're calling someMethod is returning a non object including void..
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 App Store terms won't allow you to use this code within an app. Original Answer I figured this out after some heavy API research. Below is a method that creates an HTTP POST to send to Paypal and makes an..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos the GPS geotags coordinates from the picture that has been taken with the UIImagePickerController After a deeper look this library seems to take NSData info as an input and the UIImagePickerController returns..
Upload File to FTP Server on iPhone http://stackoverflow.com/questions/1266176/upload-file-to-ftp-server-on-iphone file to FTP Server. I am new in iPhone development so want to figure out preferred approach. After browsing available API for this task I have managed to find only code that uses CFNetwork that looks..
UUID mismatch detected with the loaded library http://stackoverflow.com/questions/215252/uuid-mismatch-detected-with-the-loaded-library the 4.2.1 iOS version which can be found at Developer Platforms iPhoneOS.platform DeviceSupport After deleting the files and restarting Xcode I plugged in my device and was prompted to restore the symbol..
Proper way to exit iPhone application? http://stackoverflow.com/questions/355168/proper-way-to-exit-iphone-application I am programming an iPhone app and I need to force it to exit due to certain user actions. After cleaning up memory the app allocated what's the appropriate method to call to terminate the application..
How to determine the content size of a UIWebView? http://stackoverflow.com/questions/3936041/how-to-determine-the-content-size-of-a-uiwebview work but only if the frame of the webView is set to a minimal size prior to sending sizeThatFits . After that we can correct the wrong frame size by the fitting size. This sounds terrible but it's actually..
How do you beta test an iphone app? http://stackoverflow.com/questions/40154/how-do-you-beta-test-an-iphone-app checkbox get task allow . Bring up the Target Info pane and find the section Code Signing again. After Code Signing Entitlements enter the file name Entitlements.plist . Save clean and build the project...
“Warning: iPhone apps should include an armv6 architecture” even with build config set http://stackoverflow.com/questions/4198676/warning-iphone-apps-should-include-an-armv6-architecture-even-with-build-conf even with build config set It's been a while since I've had to adjust project build settings. After upgrading to a recent SDK I'm having trouble building my ad hoc distribution configuration. Build generates..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events I'd been looking into a way in my iPhone app to poll every X minutes to check the data counters. After much reading of the Background Execution documentation and a few trial apps I'd dismissed this as impossible.. background location multitasking share improve this question I have seen this behavior too. After trying a lot I discovered two things which could help. But I am still uncertain how this may influence.. happens I don't even use VoIP Sockets. But this 10 Minutes callback provides a nice side effect After 10 Minutes sometimes earlier I discovered that my timers and previous running treads are being executed..
How to Sync iPhone Core Data with web server, and then push to other devices? http://stackoverflow.com/questions/5035132/how-to-sync-iphone-core-data-with-web-server-and-then-push-to-other-devices server sitting in the cloud merges the specific change sets it receives with its master database. After a change set or a queue of change sets is merged on the cloud server the server pushes all of those..
Xcode 4: create IPA file instead of .xcarchive http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive question Creating an IPA is done along the same way as creating an .xcarchive Product Archive. After the Archive operation completes go to the Organizer select your archive select Share and in the Select..
Is there any framework to highlight text on pdf file after rendering on the iphone http://stackoverflow.com/questions/5335799/is-there-any-framework-to-highlight-text-on-pdf-file-after-rendering-on-the-iph ordinates of the word on the page Is there any free framework to import or any libraries available After spending more time with google I found some samples to search a word on pdf those are fastsamplepdf..
Make movie file with picture Array and song file, using AVAsset http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset videoWriterInput release videoWriter release m_PictArray removeAllObjects NSLog @ Write Ended After that you must put together movie file and audio file. To do this follow my code void CompileFilesToMakeMovie..
Where's the best SQLite 3 tutorial for iPhone-SDK? [closed] http://stackoverflow.com/questions/716839/wheres-the-best-sqlite-3-tutorial-for-iphone-sdk your SQLite database in the applicationDidFinishLaunching method of your application delegate. After that you can just use your database. I've used Gus Mueller's FMDatabase classes on the iPhone. They..
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 webData NSMutableData data 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..
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview NSString stringWithContentsOfURL googleURL encoding NSASCIIStringEncoding error &error After running this code googlePage will contain the HTML for www.google.com and error will contain any errors..
http://stackoverflow.com/questions/999313/iphone-app-signing-a-valid-signing-identity-matching-this-profile-could-not-be after signing to the developer portal for every invalid provisioning profile have a button Renew . After renewing and downloading updated provisioning profile all seems to work as expected so problem is definitely..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk sent and set whatever checks or call whatever methods you may have set up in my case I just set a BOOL void checkNetworkStatus NSNotification notice called after network status changes NetworkStatus internetStatus internetReachable currentReachabilityStatus switch internetStatus case NotReachable NSLog @ The internet is..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received signal received When deploying the application to the device the program will quit after a few cycles with the following error Program received signal EXC_BAD_ACCESS . The program runs without any issue on the iPhone simulator it will also debug and..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework hardest thing to understand. We are using the same container A all the way through the process. so in the beginning we want to fill it with n real numbers. after the FFT it is going to be holding n 2 complex numbers. we then throw that into the inverse transform and hopefully get out our original n real numbers. now the..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 here's a workaround Add the following code to the very end of the script courtesy of Frederik Wallner open CREATING_UNIVERSAL_DIR Apple deletes all output after 200 lines. Select your Target and in the Run Script Phase you MUST untick Show environment variables in build log if you're using a custom build output directory..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store to be installed first. Replace jasoniphone.local with the hostname of the target device. Be sure to set your own password on both the mobile and root users after installing SSH. To manually compile and install your application on the phone as a system app bypassing Apple's installation system Project Set Active SDK Device..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone iOS 5 update When the result block fires seems to be a bit slower with iOS5 maybe single core devices so I couldnt rely on the image to be available directly after calling findLargeImage . So I changed it to call out to a delegate. @protocol HiresImageDelegate NSObject @optional void hiresImageAvailable UIImage aimage @end..
Change User Agent in UIWebView (iPhone SDK) http://stackoverflow.com/questions/478387/change-user-agent-in-uiwebview-iphone-sdk
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content frame _textView.frame frame.size.height _textView.contentSize.height _textView.frame frame One thing to note is that the correct contentSize is only available after the UITextView has been added to the view with addSubview . Prior to that it is equal to frame.size This will not work if auto layout is ON. With auto layout the..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload UIImagePickerController result image orientation after upload I am testing my iPhone application on an iOS 3.1.3 iPhone. I am selecting capturing an image using a UIImagePickerController UIImagePickerController imagePicker.. rotated 90 degrees. my application is set to only work in portrait modes upsidedown and regular . How can i make the image always show the correct orientation after uploading the image appears to be correct as displayed in an UIImageView directly after taking the picture but viewing on the server says otherwise. iphone cocoa.. regular . How can i make the image always show the correct orientation after uploading the image appears to be correct as displayed in an UIImageView directly after taking the picture but viewing on the server says otherwise. iphone cocoa touch ios share improve this question A UIImage has a property imageOrientation which..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c it that you want to up its reference count by one. By calling release you tell the object you are letting go of it and its reference count is decremented. If after calling release the reference count is now zero then that object's memory is freed by the system. The basic way this differs from malloc and free is that any given.. If I don't there will be a memory leak. Example of object creation NSString s NSString alloc init Ref count is 1 s retain Ref count is 2 silly to do this after init s release Ref count is back to 1 s release Ref count is 0 object is freed Now for autorelease . Autorelease is used as a convenient and sometimes necessary.. Ref count is 0 object is freed Now for autorelease . Autorelease is used as a convenient and sometimes necessary way to tell the system to free this object up after a little while. From a plumbing perspective when autorelease is called the current thread's NSAutoreleasePool is alerted of the call. The NSAutoreleasePool now..
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 category with an additional initializer that takes care of assigning the locale and possibly also a format string so you'd have a ready to use formatter right after initializing it. @interface NSDateFormatter LocaleAdditions id initWithPOSIXLocaleAndFormat NSString formatString @end @implementation NSDateFormatter LocaleAdditions..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown and release the object value that's returned from methodForSelector even though you don't want to use it. From the compiler's perspective it is an object after all. That means that if the method you're calling someMethod is returning a non object including void you could end up with a garbage pointer value being retained..
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 purchase of physical goods Update Although this code works App Store terms won't allow you to use this code within an app. Original Answer I figured this out 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..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos p iphone exif Gonna try it on my side. I'd like to get the GPS geotags coordinates from the picture that has been taken with the UIImagePickerController After a deeper look this library seems to take NSData info as an input and the UIImagePickerController returns a UIImage after taking a snapshot. In theory if we use..
Upload File to FTP Server on iPhone http://stackoverflow.com/questions/1266176/upload-file-to-ftp-server-on-iphone Server on iPhone I would like to implement logic that uploads file to FTP Server. I am new in iPhone development so want to figure out preferred approach. After browsing available API for this task I have managed to find only code that uses CFNetwork that looks like not Objective C based . There is also URL Loading System..
UUID mismatch detected with the loaded library http://stackoverflow.com/questions/215252/uuid-mismatch-detected-with-the-loaded-library around this issue was by deleting the DeviceSupport files for the 4.2.1 iOS version which can be found at Developer Platforms iPhoneOS.platform DeviceSupport After deleting the files and restarting Xcode I plugged in my device and was prompted to restore the symbol files from the device itself it took about 5 minutes and after..
Proper way to exit iPhone application? http://stackoverflow.com/questions/355168/proper-way-to-exit-iphone-application way to exit iPhone application I am programming an iPhone app and I need to force it to exit due to certain user actions. After cleaning up memory the app allocated what's the appropriate method to call to terminate the application iphone objective c cocoa touch ipad share improve this..
How to determine the content size of a UIWebView? http://stackoverflow.com/questions/3936041/how-to-determine-the-content-size-of-a-uiwebview using sizeThatFits was not completely wrong. It seems to work but only if the frame of the webView is set to a minimal size prior to sending sizeThatFits . After that we can correct the wrong frame size by the fitting size. This sounds terrible but it's actually not that bad. Since we do both frame changes right after each..
How do you beta test an iphone app? http://stackoverflow.com/questions/40154/how-do-you-beta-test-an-iphone-app . Name it Entitlements.plist . In this file uncheck the checkbox get task allow . Bring up the Target Info pane and find the section Code Signing again. After Code Signing Entitlements enter the file name Entitlements.plist . Save clean and build the project. In Groups Files find the folder MyApp Products and expand it...
“Warning: iPhone apps should include an armv6 architecture” even with build config set http://stackoverflow.com/questions/4198676/warning-iphone-apps-should-include-an-armv6-architecture-even-with-build-conf Warning iPhone apps should include an armv6 architecture&rdquo even with build config set It's been a while since I've had to adjust project build settings. After upgrading to a recent SDK I'm having trouble building my ad hoc distribution configuration. Build generates this warning and error warning iPhone apps should include..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events Backgrounding to poll for events For quite a while I'd been looking into a way in my iPhone app to poll every X minutes to check the data counters. After much reading of the Background Execution documentation and a few trial apps I'd dismissed this as impossible without abusing the background APIs. Last week I found.. have any clues as to how this can be accomplished iphone background location multitasking share improve this question I have seen this behavior too. After trying a lot I discovered two things which could help. But I am still uncertain how this may influence the reviewing process. If you use one of the backgrounding.. NSLog @ VOIP backgrounding accepted Now the magic happens I don't even use VoIP Sockets. But this 10 Minutes callback provides a nice side effect After 10 Minutes sometimes earlier I discovered that my timers and previous running treads are being executed for a short while. You can see this if you place some NSLog..
How to Sync iPhone Core Data with web server, and then push to other devices? http://stackoverflow.com/questions/5035132/how-to-sync-iphone-core-data-with-web-server-and-then-push-to-other-devices change set to a queue to send when it does come online. The server sitting in the cloud merges the specific change sets it receives with its master database. After a change set or a queue of change sets is merged on the cloud server the server pushes all of those change sets to the other devices registered with the server..
Xcode 4: create IPA file instead of .xcarchive http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive file with Xcode 4 iphone xcode xcode4 share improve this question Creating an IPA is done along the same way as creating an .xcarchive Product Archive. After the Archive operation completes go to the Organizer select your archive select Share and in the Select the content and options for sharing pane set Contents to..
Is there any framework to highlight text on pdf file after rendering on the iphone http://stackoverflow.com/questions/5335799/is-there-any-framework-to-highlight-text-on-pdf-file-after-rendering-on-the-iph how I should find a word on a pdf and the position co ordinates of the word on the page Is there any free framework to import or any libraries available After spending more time with google I found some samples to search a word on pdf those are fastsamplepdf from github random ideas MY WORK I seen fastsample pdf code..
Make movie file with picture Array and song file, using AVAsset http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset buffer videoWriterInput markAsFinished videoWriter finishWriting videoWriterInput release videoWriter release m_PictArray removeAllObjects NSLog @ Write Ended After that you must put together movie file and audio file. To do this follow my code void CompileFilesToMakeMovie AVMutableComposition mixComposition AVMutableComposition..
Where's the best SQLite 3 tutorial for iPhone-SDK? [closed] http://stackoverflow.com/questions/716839/wheres-the-best-sqlite-3-tutorial-for-iphone-sdk SQLite documentation . In your iPhone app you usually open your SQLite database in the applicationDidFinishLaunching method of your application delegate. After that you can just use your database. I've used Gus Mueller's FMDatabase classes on the iPhone. They provide a thin wrapper around SQLite. A final note It seems..
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 initWithRequest theRequest delegate self if theConnection webData NSMutableData data 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..
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview URLWithString googleString NSError error NSString googlePage NSString stringWithContentsOfURL googleURL encoding NSASCIIStringEncoding error &error After running this code googlePage will contain the HTML for www.google.com and error will contain any errors encountered in the fetch. You should check the contents..
http://stackoverflow.com/questions/999313/iphone-app-signing-a-valid-signing-identity-matching-this-profile-could-not-be improve this question Had the same problem yesterday. Now after signing to the developer portal for every invalid provisioning profile have a button Renew . After renewing and downloading updated provisioning profile all seems to work as expected so problem is definitely solved Update you may have to contact Apple to get..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk whatever methods you may have set up in my case I just set a BOOL void checkNetworkStatus NSNotification notice called after network status changes NetworkStatus internetStatus internetReachable currentReachabilityStatus switch internetStatus case..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received signal received When deploying the application to the device the program will quit after a few cycles with the following error Program received signal EXC_BAD_ACCESS . The program runs without any issue on the..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 code to the very end of the script courtesy of Frederik Wallner open CREATING_UNIVERSAL_DIR Apple deletes all output after 200 lines. Select your Target and in the Run Script Phase you MUST untick Show environment variables in build log if you're..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store with the hostname of the target device. Be sure to set your own password on both the mobile and root users after installing SSH. To manually compile and install your application on the phone as a system app bypassing Apple's installation..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone seems to be a bit slower with iOS5 maybe single core devices so I couldnt rely on the image to be available directly after calling findLargeImage . So I changed it to call out to a delegate. @protocol HiresImageDelegate NSObject @optional void..
Change User Agent in UIWebView (iPhone SDK) http://stackoverflow.com/questions/478387/change-user-agent-in-uiwebview-iphone-sdk
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content _textView.contentSize.height _textView.frame frame One thing to note is that the correct contentSize is only available after the UITextView has been added to the view with addSubview . Prior to that it is equal to frame.size This will not work if..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload UIImagePickerController result image orientation after upload I am testing my iPhone application on an iOS 3.1.3 iPhone. I am selecting capturing an image using a UIImagePickerController.. to only work in portrait modes upsidedown and regular . How can i make the image always show the correct orientation after uploading the image appears to be correct as displayed in an UIImageView directly after taking the picture but viewing on.. show the correct orientation after uploading the image appears to be correct as displayed in an UIImageView directly after taking the picture but viewing on the server says otherwise. iphone cocoa touch ios share improve this question A UIImage..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c by one. By calling release you tell the object you are letting go of it and its reference count is decremented. If after calling release the reference count is now zero then that object's memory is freed by the system. The basic way this differs.. Example of object creation NSString s NSString alloc init Ref count is 1 s retain Ref count is 2 silly to do this after init s release Ref count is back to 1 s release Ref count is 0 object is freed Now for autorelease . Autorelease is.. . Autorelease is used as a convenient and sometimes necessary way to tell the system to free this object up after a little while. From a plumbing perspective when autorelease is called the current thread's NSAutoreleasePool is alerted..
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 that takes care of assigning the locale and possibly also a format string so you'd have a ready to use formatter right after initializing it. @interface NSDateFormatter LocaleAdditions id initWithPOSIXLocaleAndFormat NSString formatString @end @implementation..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown returned from methodForSelector even though you don't want to use it. From the compiler's perspective it is an object after all. That means that if the method you're calling someMethod is returning a non object including void you could end up with..
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 this code works App Store terms won't allow you to use this code within an app. Original Answer I figured this out after some heavy API research. Below is a method that creates an HTTP POST to send to Paypal and makes an NSURLRequest. You can..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos I'd like to get the GPS geotags coordinates from the picture that has been taken with the UIImagePickerController After a deeper look this library seems to take NSData info as an input and the UIImagePickerController returns a UIImage after..
Upload File to FTP Server on iPhone http://stackoverflow.com/questions/1266176/upload-file-to-ftp-server-on-iphone logic that uploads file to FTP Server. I am new in iPhone development so want to figure out preferred approach. After browsing available API for this task I have managed to find only code that uses CFNetwork that looks like not Objective..
UUID mismatch detected with the loaded library http://stackoverflow.com/questions/215252/uuid-mismatch-detected-with-the-loaded-library files for the 4.2.1 iOS version which can be found at Developer Platforms iPhoneOS.platform DeviceSupport After deleting the files and restarting Xcode I plugged in my device and was prompted to restore the symbol files from the device..
Proper way to exit iPhone application? http://stackoverflow.com/questions/355168/proper-way-to-exit-iphone-application to exit iPhone application I am programming an iPhone app and I need to force it to exit due to certain user actions. After cleaning up memory the app allocated what's the appropriate method to call to terminate the application iphone objective..
How to determine the content size of a UIWebView? http://stackoverflow.com/questions/3936041/how-to-determine-the-content-size-of-a-uiwebview wrong. It seems to work but only if the frame of the webView is set to a minimal size prior to sending sizeThatFits . After that we can correct the wrong frame size by the fitting size. This sounds terrible but it's actually not that bad. Since..
How do you beta test an iphone app? http://stackoverflow.com/questions/40154/how-do-you-beta-test-an-iphone-app this file uncheck the checkbox get task allow . Bring up the Target Info pane and find the section Code Signing again. After Code Signing Entitlements enter the file name Entitlements.plist . Save clean and build the project. In Groups Files find..
“Warning: iPhone apps should include an armv6 architecture” even with build config set http://stackoverflow.com/questions/4198676/warning-iphone-apps-should-include-an-armv6-architecture-even-with-build-conf architecture&rdquo even with build config set It's been a while since I've had to adjust project build settings. After upgrading to a recent SDK I'm having trouble building my ad hoc distribution configuration. Build generates this warning..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events For quite a while I'd been looking into a way in my iPhone app to poll every X minutes to check the data counters. After much reading of the Background Execution documentation and a few trial apps I'd dismissed this as impossible without abusing.. accomplished iphone background location multitasking share improve this question I have seen this behavior too. After trying a lot I discovered two things which could help. But I am still uncertain how this may influence the reviewing process... Now the magic happens I don't even use VoIP Sockets. But this 10 Minutes callback provides a nice side effect After 10 Minutes sometimes earlier I discovered that my timers and previous running treads are being executed for a short while...
How to Sync iPhone Core Data with web server, and then push to other devices? http://stackoverflow.com/questions/5035132/how-to-sync-iphone-core-data-with-web-server-and-then-push-to-other-devices come online. The server sitting in the cloud merges the specific change sets it receives with its master database. After a change set or a queue of change sets is merged on the cloud server the server pushes all of those change sets to the other..
Xcode 4: create IPA file instead of .xcarchive http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive share improve this question Creating an IPA is done along the same way as creating an .xcarchive Product Archive. After the Archive operation completes go to the Organizer select your archive select Share and in the Select the content and options..
Is there any framework to highlight text on pdf file after rendering on the iphone http://stackoverflow.com/questions/5335799/is-there-any-framework-to-highlight-text-on-pdf-file-after-rendering-on-the-iph and the position co ordinates of the word on the page Is there any free framework to import or any libraries available After spending more time with google I found some samples to search a word on pdf those are fastsamplepdf from github random ideas..
Make movie file with picture Array and song file, using AVAsset http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset finishWriting videoWriterInput release videoWriter release m_PictArray removeAllObjects NSLog @ Write Ended After that you must put together movie file and audio file. To do this follow my code void CompileFilesToMakeMovie AVMutableComposition..
Where's the best SQLite 3 tutorial for iPhone-SDK? [closed] http://stackoverflow.com/questions/716839/wheres-the-best-sqlite-3-tutorial-for-iphone-sdk app you usually open your SQLite database in the applicationDidFinishLaunching method of your application delegate. After that you can just use your database. I've used Gus Mueller's FMDatabase classes on the iPhone. They provide a thin wrapper..
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 self if theConnection webData NSMutableData data 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...
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview error NSString googlePage NSString stringWithContentsOfURL googleURL encoding NSASCIIStringEncoding error &error After running this code googlePage will contain the HTML for www.google.com and error will contain any errors encountered in the..
http://stackoverflow.com/questions/999313/iphone-app-signing-a-valid-signing-identity-matching-this-profile-could-not-be yesterday. Now after signing to the developer portal for every invalid provisioning profile have a button Renew . After renewing and downloading updated provisioning profile all seems to work as expected so problem is definitely solved Update..
idleTimerDisabled not working since iPhone 3.0 http://stackoverflow.com/questions/1058717/idletimerdisabled-not-working-since-iphone-3-0 By adding a idleTimerDisabled NO immedately followed by a idleTimerDisabled YES in one of the other bits of code AFTER we had figured out what bit of music we would get playing seemed to solve the problem. Just setting it to YES was insufficient....
iOS background Location not sending http request http://stackoverflow.com/questions/12463091/ios-background-location-not-sending-http-request delegate self default is RKRequestBackgroundPolicyNone request.backgroundPolicy RKRequestBackgroundPolicyContinue AFTER ALL THE UPDATES close the task if bgTask UIBackgroundTaskInvalid UIApplication sharedApplication endBackgroundTask bgTask..
UIScrollView setContentSize breaks view with Auto Layout http://stackoverflow.com/questions/13439304/uiscrollview-setcontentsize-breaks-view-with-auto-layout
NSURLConnection still calls delegate AFTER cancel method has been called http://stackoverflow.com/questions/2503652/nsurlconnection-still-calls-delegate-after-cancel-method-has-been-called still calls delegate AFTER cancel method has been called Having a problem with NSURLConnection if I create a NSURLConnection and call connection connectionWithRequest..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 files in your project PNG PLIST XML etc Do everything above check it works Create a new Run Script phase that comes AFTER THE FIRST ONE copy paste the code below Create a new Target in Xcode of type bundle In your MAIN PROJECT in Build Phases..
Iphone - when to calculate heightForRowAtIndexPath for a tableview when each cell height is dynamic? http://stackoverflow.com/questions/4823197/iphone-when-to-calculate-heightforrowatindexpath-for-a-tableview-when-each-cel store that final total height for later retrieval. This will not work however because cellForRowAtIndexPath is called AFTER heightForRowAtIndexPath. The only thing I can think of is to do all the calculations inside viewDidLoad create all the UITableViewCells..
http://stackoverflow.com/questions/5457122/rotate-uiview-iphone of the UIView the puzzle pieces are UIViews . This is my Console output 'frame BEFORE ROTATION 35 178 80 80 ' 'frame AFTER ROTATION 21.3172 164.317 107.366 107.366 ' The second method used is this one CABasicAnimation spinAnimation CABasicAnimation..
Iphone navigate to previous/next viewController http://stackoverflow.com/questions/6244776/iphone-navigate-to-previous-next-viewcontroller removeObjectAtIndex 1 self.navigationController setViewControllers viewControllers animated NO clean up the stack AFTER the child is shown. self.userJustSwiped YES self updateTableHighlightAndScrollPosition void moveToPreviousCamp NSString.. we just swiped to a details view do some clean up if self.userJustSwiped self.userJustSwiped NO clean up the stack AFTER the child is shown. remove the previous controller so that popping the current one takes us up NSMutableArray viewControllersArray..
how to display UIActivityIndicatorView BEFORE rotation begins http://stackoverflow.com/questions/7041261/how-to-display-uiactivityindicatorview-before-rotation-begins method. The following code illustrates the issue. When run the activity indicator appears only very briefly and AFTER the simulateHardWorkNeededToGetDisplayInShapeBeforeRotation method has completed. Am I missing something obvious And if..
http://stackoverflow.com/questions/7977019/understanding-of-uianimation ONLY xx coordinate to move it horizantly first. completion ^ BOOL finished here any actions thet must be done AFTER 1st animation is finished. If you whant to loop animations call your function here. UIView animateWithDuration 0.5 delay..
tabbar item image and selectedImage http://stackoverflow.com/questions/8939399/tabbar-item-image-and-selectedimage have a selected image that I want to add on the tab bar item which is currently selected. How should I do this UPDATED AFTER NICK's CODE Hey in iOS 5 you will have to write following code in your app delegate for setting tab bar item selected and..
Best way to play simple sound effect in iOS http://stackoverflow.com/questions/9791491/best-way-to-play-simple-sound-effect-in-ios
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