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2014/10/15 ¤U¤È 10:16:02
iphone Programming Glossary: writingHow do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder can figure it out easily. Finally note that the AVAudioRecorder method deleteRecording as of this writing crashes your application. This is why I am removing the recorded file through the File Manager. When..
Parsing XML in iPhone [closed] http://stackoverflow.com/questions/1021102/parsing-xml-in-iphone improve this question Please have a look at Touch XML a Objective C framework for reading and writing XML. It's usage is similar drop in replacement for Apple's NSXMLDocument which is not available for..
Real-time Pitch Shifting on the iPhone http://stackoverflow.com/questions/1100495/real-time-pitch-shifting-on-the-iphone time Pitch Shifting on the iPhone I have a children's iPhone application that I am writing and I need to be able to shift the pitch of a sound sample using Core Audio. Does anyone have any example..
How can I upload a photo to a server with the iPhone? http://stackoverflow.com/questions/125306/how-can-i-upload-a-photo-to-a-server-with-the-iphone can I upload a photo to a server with the iPhone I'm writing an iPhone app that takes a photo and then uploads it to a server. How do I upload a photo to a server..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone to get the RGB values for a pixel on an image on the iphone I am writing an iPhone application and need to essentially implement something equivalent to the 'eyedropper' tool..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone nil error error Note that you have to actually create the Caches directory there so when writing you have to check and create every time Kind of a pain but that's how it is. Then when you have a writable.. filePath cachePath stringByAppendingPathComponent @ SomeTmpFile.png Use that path for reading or writing. Note that you can make subdirectories in either of those writable paths which one of the example string..
How to disable phone number linking in Mobile Safari? http://stackoverflow.com/questions/226131/how-to-disable-phone-number-linking-in-mobile-safari automatically creates links for strings of digits that appear to the telephone numbers. I am writing a web page containing an IP address and Safari is turning that into a phone number link. Is it possible..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults @ category self.subCategoryName decoder decodeObjectForKey @ subcategory return self Reading and writing from NSUserDefaults void saveCustomObject MyObject object key NSString key NSData encodedObject NSKeyedArchiver..
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari? http://stackoverflow.com/questions/2593139/ipad-web-app-detect-virtual-keyboard-using-javascript-in-safari Web App Detect Virtual Keyboard Using JavaScript in Safari I'm writing a web app for the iPad not a regular App Store app it's written using HTML CSS and JavaScript . Since..
Is there a multiplatform framework for developing iPhone / Android applications? [closed] http://stackoverflow.com/questions/30953/is-there-a-multiplatform-framework-for-developing-iphone-android-applications a multiplatform framework for developing iPhone Android applications closed I am interested in writing applications for the iPhone and the Android platform. I was hoping to find a middleware framework that..
http://stackoverflow.com/questions/412982/iphone-unzip-code CHUNK if fwrite buffer 1 uncompressedLength dest uncompressedLength ferror dest NSLog @ error writing data else fclose dest gzclose file iphone compression zip share improve this question Has sample.zip..
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 been deprecated given that iCloud supports core data synchronization. Well in theory... as of this writing June 13 2012 iCloud support for core data syncing is buggy and totally useless. But hopefully soon it..
Problem setting exif data for an image http://stackoverflow.com/questions/5125323/problem-setting-exif-data-for-an-image modifying and saving Exif data Caffeinated Cocoa . This works on iOS. Here is my test code for writing Exif and GPS data. It pretty much a copy and paste of the code from the above blog. I am using this..
Objective C: How to upload image and text using HTTP POST? http://stackoverflow.com/questions/5422028/objective-c-how-to-upload-image-and-text-using-http-post different methods where each of them can upload either an image or text. But I am having problem writing a method that can post both text and image simultaneously Here's my new method witch worked fine thanx..
Can I use CGAffineTransformMakeRotation to rotate a view more than 360 degrees? http://stackoverflow.com/questions/542739/can-i-use-cgaffinetransformmakerotation-to-rotate-a-view-more-than-360-degrees I use CGAffineTransformMakeRotation to rotate a view more than 360 degrees I'm writing an iPhone app and I've got an image which I'ld like to have swirl outwards. Currently my code looks..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour use it for all of your rendering updates to a particular OpenGL ES context to avoid two actions writing to the context at the same time. Then within your CADisplayLink callback you can use code like the following..
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 0.1 j if append_ok printf error appending image d times d n frameCount j frameCount Finish writing picture videoWriterInput markAsFinished I finish write picture in movie file and I want copy audio in..
iOS 5 Best Practice (Release/retain?) http://stackoverflow.com/questions/6308425/ios-5-best-practice-release-retain 5 Best Practice Release retain As a beginning iPhone programmer what is the best practice for writing apps to be used either with iOS 5 or older versions Specifically should I continue using the release..
Property vs. instance variable http://stackoverflow.com/questions/719788/property-vs-instance-variable property here . The problem with using the @synthesize myVar _myVar strategy is I figured that writing code such as myVar some_other_object doesn't work. The compiler complains that myVar is undeclared...
How do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder code I am not showing how to handle metering data but you can figure it out easily. Finally note that the AVAudioRecorder method deleteRecording as of this writing crashes your application. This is why I am removing the recorded file through the File Manager. When recording is done I save the recorded audio as NSData in the..
Parsing XML in iPhone [closed] http://stackoverflow.com/questions/1021102/parsing-xml-in-iphone
Real-time Pitch Shifting on the iPhone http://stackoverflow.com/questions/1100495/real-time-pitch-shifting-on-the-iphone time Pitch Shifting on the iPhone I have a children's iPhone application that I am writing and I need to be able to shift the pitch of a sound sample using Core Audio. Does anyone have any example code I could look at where this is done. There are many..
How can I upload a photo to a server with the iPhone? http://stackoverflow.com/questions/125306/how-can-i-upload-a-photo-to-a-server-with-the-iphone can I upload a photo to a server with the iPhone I'm writing an iPhone app that takes a photo and then uploads it to a server. How do I upload a photo to a server with Cocoa in Xcode I suppose I use NSUrl somewhere. Thanks..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone to get the RGB values for a pixel on an image on the iphone I am writing an iPhone application and need to essentially implement something equivalent to the 'eyedropper' tool in photoshop where you can touch a point on the image and..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone cachePath withIntermediateDirectories NO attributes nil error error Note that you have to actually create the Caches directory there so when writing you have to check and create every time Kind of a pain but that's how it is. Then when you have a writable path you just append a file name onto it like so NSString.. @ SomeDirectory SomeFile.txt or NSString filePath cachePath stringByAppendingPathComponent @ SomeTmpFile.png Use that path for reading or writing. Note that you can make subdirectories in either of those writable paths which one of the example string above is using assuming one has been created . If you are..
How to disable phone number linking in Mobile Safari? http://stackoverflow.com/questions/226131/how-to-disable-phone-number-linking-in-mobile-safari disable phone number linking in Mobile Safari Safari on iPhone automatically creates links for strings of digits that appear to the telephone numbers. I am writing a web page containing an IP address and Safari is turning that into a phone number link. Is it possible to disable this behavior for a whole page or an element..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults @ question self.categoryName decoder decodeObjectForKey @ category self.subCategoryName decoder decodeObjectForKey @ subcategory return self Reading and writing from NSUserDefaults void saveCustomObject MyObject object key NSString key NSData encodedObject NSKeyedArchiver archivedDataWithRootObject object NSUserDefaults..
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari? http://stackoverflow.com/questions/2593139/ipad-web-app-detect-virtual-keyboard-using-javascript-in-safari Web App Detect Virtual Keyboard Using JavaScript in Safari I'm writing a web app for the iPad not a regular App Store app it's written using HTML CSS and JavaScript . Since the keyboard fills up a huge part of the screen it would make..
Is there a multiplatform framework for developing iPhone / Android applications? [closed] http://stackoverflow.com/questions/30953/is-there-a-multiplatform-framework-for-developing-iphone-android-applications there a multiplatform framework for developing iPhone Android applications closed I am interested in writing applications for the iPhone and the Android platform. I was hoping to find a middleware framework that abstracted away some of the differences in the APIs and allow..
http://stackoverflow.com/questions/412982/iphone-unzip-code char buffer CHUNK int uncompressedLength gzread file buffer CHUNK if fwrite buffer 1 uncompressedLength dest uncompressedLength ferror dest NSLog @ error writing data else fclose dest gzclose file iphone compression zip share improve this question Has sample.zip really been created with gZip The .zip extension usually..
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
Problem setting exif data for an image http://stackoverflow.com/questions/5125323/problem-setting-exif-data-for-an-image blog post is where I got my answer when I had issues with modifying and saving Exif data Caffeinated Cocoa . This works on iOS. Here is my test code for writing Exif and GPS data. It pretty much a copy and paste of the code from the above blog. I am using this to write exif data to a captured image. NSData jpeg AVCaptureStillImageOutput..
Objective C: How to upload image and text using HTTP POST? http://stackoverflow.com/questions/5422028/objective-c-how-to-upload-image-and-text-using-http-post image and text using HTTP POST I've successfully created two different methods where each of them can upload either an image or text. But I am having problem writing a method that can post both text and image simultaneously Here's my new method witch worked fine thanx to @sgosha void upload NSString urlString @ http www.examplescript.com..
Can I use CGAffineTransformMakeRotation to rotate a view more than 360 degrees? http://stackoverflow.com/questions/542739/can-i-use-cgaffinetransformmakerotation-to-rotate-a-view-more-than-360-degrees I use CGAffineTransformMakeRotation to rotate a view more than 360 degrees I'm writing an iPhone app and I've got an image which I'ld like to have swirl outwards. Currently my code looks like this wrapped in a beginAnimations commitAnimations block..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour For this you can create a GCD serial dispatch queue and use it for all of your rendering updates to a particular OpenGL ES context to avoid two actions writing to the context at the same time. Then within your CADisplayLink callback you can use code like the following if dispatch_semaphore_wait frameRenderingSemaphore..
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 not ready d d n frameCount j NSThread sleepForTimeInterval 0.1 j if append_ok printf error appending image d times d n frameCount j frameCount Finish writing picture videoWriterInput markAsFinished I finish write picture in movie file and I want copy audio in the file and I do this audioReader startReading videoWriter..
iOS 5 Best Practice (Release/retain?) http://stackoverflow.com/questions/6308425/ios-5-best-practice-release-retain 5 Best Practice Release retain As a beginning iPhone programmer what is the best practice for writing apps to be used either with iOS 5 or older versions Specifically should I continue using the release retain of data or should I ignore that Does it matter iphone..
Property vs. instance variable http://stackoverflow.com/questions/719788/property-vs-instance-variable @ Foo The other way would be referencing it via self. ivar property here . The problem with using the @synthesize myVar _myVar strategy is I figured that writing code such as myVar some_other_object doesn't work. The compiler complains that myVar is undeclared. Why is that the case Thanks. iphone objective c cocoa cocoa..
How do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder data but you can figure it out easily. Finally note that the AVAudioRecorder method deleteRecording as of this writing crashes your application. This is why I am removing the recorded file through the File Manager. When recording is done I..
Parsing XML in iPhone [closed] http://stackoverflow.com/questions/1021102/parsing-xml-in-iphone xml parsing share improve this question Please have a look at Touch XML a Objective C framework for reading and writing XML. It's usage is similar drop in replacement for Apple's NSXMLDocument which is not available for the iPhone SDK . share..
Real-time Pitch Shifting on the iPhone http://stackoverflow.com/questions/1100495/real-time-pitch-shifting-on-the-iphone time Pitch Shifting on the iPhone I have a children's iPhone application that I am writing and I need to be able to shift the pitch of a sound sample using Core Audio. Does anyone have any example code I could look..
How can I upload a photo to a server with the iPhone? http://stackoverflow.com/questions/125306/how-can-i-upload-a-photo-to-a-server-with-the-iphone can I upload a photo to a server with the iPhone I'm writing an iPhone app that takes a photo and then uploads it to a server. How do I upload a photo to a server with Cocoa in Xcode..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone to get the RGB values for a pixel on an image on the iphone I am writing an iPhone application and need to essentially implement something equivalent to the 'eyedropper' tool in photoshop where..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone NO attributes nil error error Note that you have to actually create the Caches directory there so when writing you have to check and create every time Kind of a pain but that's how it is. Then when you have a writable path you just.. or NSString filePath cachePath stringByAppendingPathComponent @ SomeTmpFile.png Use that path for reading or writing. Note that you can make subdirectories in either of those writable paths which one of the example string above is using..
How to disable phone number linking in Mobile Safari? http://stackoverflow.com/questions/226131/how-to-disable-phone-number-linking-in-mobile-safari Safari Safari on iPhone automatically creates links for strings of digits that appear to the telephone numbers. I am writing a web page containing an IP address and Safari is turning that into a phone number link. Is it possible to disable this..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults decodeObjectForKey @ category self.subCategoryName decoder decodeObjectForKey @ subcategory return self Reading and writing from NSUserDefaults void saveCustomObject MyObject object key NSString key NSData encodedObject NSKeyedArchiver archivedDataWithRootObject..
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari? http://stackoverflow.com/questions/2593139/ipad-web-app-detect-virtual-keyboard-using-javascript-in-safari Web App Detect Virtual Keyboard Using JavaScript in Safari I'm writing a web app for the iPad not a regular App Store app it's written using HTML CSS and JavaScript . Since the keyboard fills..
http://stackoverflow.com/questions/412982/iphone-unzip-code gzread file buffer CHUNK if fwrite buffer 1 uncompressedLength dest uncompressedLength ferror dest NSLog @ error writing data else fclose dest gzclose file iphone compression zip share improve this question Has sample.zip really been created..
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 by Marcus Zarra has been deprecated given that iCloud supports core data synchronization. Well in theory... as of this writing June 13 2012 iCloud support for core data syncing is buggy and totally useless. But hopefully soon it should be working..
Problem setting exif data for an image http://stackoverflow.com/questions/5125323/problem-setting-exif-data-for-an-image when I had issues with modifying and saving Exif data Caffeinated Cocoa . This works on iOS. Here is my test code for writing Exif and GPS data. It pretty much a copy and paste of the code from the above blog. I am using this to write exif data to..
Can I use CGAffineTransformMakeRotation to rotate a view more than 360 degrees? http://stackoverflow.com/questions/542739/can-i-use-cgaffinetransformmakerotation-to-rotate-a-view-more-than-360-degrees I use CGAffineTransformMakeRotation to rotate a view more than 360 degrees I'm writing an iPhone app and I've got an image which I'ld like to have swirl outwards. Currently my code looks like this wrapped in..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour dispatch queue and use it for all of your rendering updates to a particular OpenGL ES context to avoid two actions writing to the context at the same time. Then within your CADisplayLink callback you can use code like the following if dispatch_semaphore_wait..
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 sleepForTimeInterval 0.1 j if append_ok printf error appending image d times d n frameCount j frameCount Finish writing picture videoWriterInput markAsFinished I finish write picture in movie file and I want copy audio in the file and I do..
iOS 5 Best Practice (Release/retain?) http://stackoverflow.com/questions/6308425/ios-5-best-practice-release-retain 5 Best Practice Release retain As a beginning iPhone programmer what is the best practice for writing apps to be used either with iOS 5 or older versions Specifically should I continue using the release retain of data or should..
Property vs. instance variable http://stackoverflow.com/questions/719788/property-vs-instance-variable it via self. ivar property here . The problem with using the @synthesize myVar _myVar strategy is I figured that writing code such as myVar some_other_object doesn't work. The compiler complains that myVar is undeclared. Why is that the case..
Writing video + generated audio to AVAssetWriterInput, audio stuttering http://stackoverflow.com/questions/12187124/writing-video-generated-audio-to-avassetwriterinput-audio-stuttering video generated audio to AVAssetWriterInput audio stuttering I'm generating a video from a Unity app on iOS. I'm using.. rateDenominator frameRate Add our video input stream source to the video writer and start it. videoWriter startWriting videoWriter startSessionAtSourceTime CMTimeMake 0 rateDenominator isRecording true return YES int writeAudioBuffer float..
Nil NSDate when trying to get date from UTC string in zulu time http://stackoverflow.com/questions/1263455/nil-nsdate-when-trying-to-get-date-from-utc-string-in-zulu-time NSDate when trying to get date from UTC string in zulu time Writing an iPhone app in Objective C I have a date in string form in UTC format with a Z on the end to denote zero UTC offset or..
how to generate crash report using code like crash report provided by Apple http://stackoverflow.com/questions/15521494/how-to-generate-crash-report-using-code-like-crash-report-provided-by-apple improve this question So you want to write your own crash reporter so you can get the reports and symbolicate them Writing crash reports is very very hard see these two articles from the developer of the Open Source library PLCrashReporter to..
Difference between @interface declaration and @property declaration http://stackoverflow.com/questions/2159725/difference-between-interface-declaration-and-property-declaration int newAVar if aVar newAVar aVar newAVar Now other classes can get and set aVar via myclass aVar myclass setAVar 24 Writing these accessor and mutator methods can get quite tedious so in Objective C 2.0 Apple simplified it for us. We can now write..
Writing an app to stream video to iPhone http://stackoverflow.com/questions/2978405/writing-an-app-to-stream-video-to-iphone an app to stream video to iPhone I'm interested in creating an iPhone app that can stream video from a central server YouTube..
Can i pop to Specific ViewController? http://stackoverflow.com/questions/3027559/can-i-pop-to-specific-viewcontroller bundle nil self.navigationController popToViewController x animated NO iphone share improve this question By Writing the First Line you get the Indexes of all View Controllers and from second Line You will reach up to your Destination. NSArray..
How safe is information contained within iPhone app compiled code? http://stackoverflow.com/questions/3919765/how-safe-is-information-contained-within-iphone-app-compiled-code into small pieces. The following code NSString string @ Hello World will produce Hello World using the strings tool. Writing your code like this NSString string @ H string stringByAppendingString @ el string stringByAppendingString @ lo ... will..
Passing parameters to addTarget:action:forControlEvents http://stackoverflow.com/questions/3988485/passing-parameters-to-addtargetactionforcontrolevents the id sender by writing action @selector switchToNewsDetails But I am trying to pass variables like integer values. Writing it this way doesn't work int i 0 newsButton addTarget self action @selector switchToNewsDetails i forControlEvents UIControlEventTouchUpInside.. int i 0 newsButton addTarget self action @selector switchToNewsDetails i forControlEvents UIControlEventTouchUpInside Writing it this way does not work either int i 0 newsButton addTarget self action @selector switchToNewsDetails i forControlEvents..
How can I write to a plist file? http://stackoverflow.com/questions/4116179/how-can-i-write-to-a-plist-file newReport NSMutableDictionary newRoot NSMutableDictionary alloc init newRoot setObject newReports forKey @ Reports Writing data to plist NSString Path NSBundle mainBundle bundlePath NSString filePath Path stringByAppendingPathComponent @ data.plist..
http://stackoverflow.com/questions/4545982/getting-video-from-alasset ALAssetRepresentation rep myasset defaultRepresentation NSUInteger size rep size const int bufferSize 8192 NSLog @ Writing to @ tmpfile FILE f fopen tmpfile cStringUsingEncoding 1 wb if f NULL NSLog @ Can not create tmp file. return Byte buffer..
Writing and reading text files on the iPhone http://stackoverflow.com/questions/4964274/writing-and-reading-text-files-on-the-iphone and reading text files on the iPhone As a practice I am trying to write an app similar to the built in notes app. But I..
AVAssetWritter does not work with audio http://stackoverflow.com/questions/5200077/avassetwritter-does-not-work-with-audio endSessionAtSourceTime CMTimeMakeWithSeconds NSDate date timeIntervalSinceDate start_time 30 video_writer finishWriting UISaveVideoAtPathToSavedPhotosAlbum temp_url self @selector video didFinishSavingWithError contextInfo nil start_time release.. NULL retain video_writer addInput writer_input video_writer addInput audio_writer_input video_writer startWriting video_writer startSessionAtSourceTime CMTimeMake 0 1 start_time NSDate alloc init Here is the delegate for the audio @implementation.. if _startTime.value 0 _startTime CMSampleBufferGetPresentationTimeStamp sampleBuffer and then bufferWriter writer startWriting bufferWriter writer startSessionAtSourceTime _startTime Your code looks valid as you are calculating the time difference..
iPhone - Writing NSMutableDictionary to file http://stackoverflow.com/questions/5361630/iphone-writing-nsmutabledictionary-to-file Writing NSMutableDictionary to file I'm having trouble in writing mutable dictionary to a file. Here's the code that I'm writing...
Am I abusing UIViewController Subclassing? http://stackoverflow.com/questions/5691226/am-i-abusing-uiviewcontroller-subclassing ever since the introduction of the iPad your own containers can now show the views of multiple child view controllers. Writing a container view controller is a somewhat advanced topic you should be very familiar with the use of view controllers generally..
How do i resolve EXC_BAD_ACCESS errors encountered in iphone development http://stackoverflow.com/questions/607222/how-do-i-resolve-exc-bad-access-errors-encountered-in-iphone-development app's documents directory on the iphone and read it back from that file so that i can do other things with it later. Writing the file works fine but when i try to read it back i get an EXC_BAD_ACCESS error in GDB that i have no idea how to resolve...
Facebook iOS SDK - Strange Effects in Writing to Status http://stackoverflow.com/questions/7932087/facebook-ios-sdk-strange-effects-in-writing-to-status iOS SDK Strange Effects in Writing to Status I'm updating my app to use xCode 4 iOS5 and the latest Facebook SDK. All was working fine before. Now two strange..
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