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2014/10/15 ¤U¤È 10:12:22
iphone Programming Glossary: operationhttp://stackoverflow.com/questions/158914/cropping-a-uiimage to an offscreen view wasn't one of these. Am I wrong Oh how I miss NSImage's drawInRect fromRect operation fraction method. iphone objective c cocoa touch image manipulation share improve this question ..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview newest version of the program at the very bottom of the page implements this kind of perspective operation. The code should be reasonably simple to read. The sublayerTransform you refer to in your response is..
Do you need to create an NSAutoreleasePool within a block in GCD? http://stackoverflow.com/questions/4141123/do-you-need-to-create-an-nsautoreleasepool-within-a-block-in-gcd an NSOperation on an NSOperationQueue you need to create an NSAutoreleasePool for that thread or operation because none exists by default. Does the same rule apply to a block that is placed within a Grand Central..
How do I reset after a UIScrollView zoom? http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom a smooth scaling of the view without having to redraw it each frame. At the end of the zoom operation your delegate method scrollViewDidEndZooming withView atScale will be called and give you a chance to.. because UIScrollView doesn't appear to monitor the content view transform so on the next zoom operation it sets the transform of the content view to whatever the overall scale factor is. Since you've manually..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now correct as Tom's answer shows. You can allow the run loop to come to completion in the middle of operations performed on the main thread. However this still may reduce the responsiveness of your application... ^ Update the UI The Do some work part of the above could be a lengthy calculation or an operation that loops over multiple values. In this example the UI is only updated at the end of the operation.. that loops over multiple values. In this example the UI is only updated at the end of the operation but if you wanted continuous progress tracking in your UI you could place the dispatch to the main queue..
Xcode 4: create IPA file instead of .xcarchive http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive 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..
how to display test IAd banner in the simulator http://stackoverflow.com/questions/5947552/how-to-display-test-iad-banner-in-the-simulator my simulator and my Log statement giving me error like this Error Domain ADErrorDomain Code 5 The operation couldn ™t be completed. Banner view is visible but does not have content UserInfo 0x574fdd0 ADInternalErrorCode..
Is there a way to pass touches through on the iPhone? http://stackoverflow.com/questions/631427/is-there-a-way-to-pass-touches-through-on-the-iphone section to set the control then calls the touches began section to start the main area touching operation. However at this point the touchesMoved and touchesEnded are obviously not being called because the..
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 NSDateFormatter has a feature that bites you unexpectedly If you do a simple fixed format operation such as NSDateFormatter fmt NSDateFormatter alloc init fmt setDateFormat @ yyyyMMddHHmmss NSString dateStr..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 buffer to process the data further in CPU. Performance is important because I have to perform this operation repeatedly. I have searched the web and found some approach like using Pixel Buffer Object and glMapBuffer..
http://stackoverflow.com/questions/158914/cropping-a-uiimage to the main thread. I was assuming hoping that drawing to an offscreen view wasn't one of these. Am I wrong Oh how I miss NSImage's drawInRect fromRect operation fraction method. iphone objective c cocoa touch image manipulation share improve this question I'm going to copy paste my response to the same question elsewhere..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview a couple of CALayers based on an example by Bill Dudney. The newest version of the program at the very bottom of the page implements this kind of perspective operation. The code should be reasonably simple to read. The sublayerTransform you refer to in your response is a transform that is applied to the sublayers of your UIView's..
Do you need to create an NSAutoreleasePool within a block in GCD? http://stackoverflow.com/questions/4141123/do-you-need-to-create-an-nsautoreleasepool-within-a-block-in-gcd in GCD Normally if you spawn a background thread or run an NSOperation on an NSOperationQueue you need to create an NSAutoreleasePool for that thread or operation because none exists by default. Does the same rule apply to a block that is placed within a Grand Central Dispatch queue and will be run on a non main thread That..
How do I reset after a UIScrollView zoom? http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom method and apply a transform to it. This transform provides a smooth scaling of the view without having to redraw it each frame. At the end of the zoom operation your delegate method scrollViewDidEndZooming withView atScale will be called and give you a chance to do a more high quality rendering of your view at the new scale.. itself at the new size scale. However this causes a problem because UIScrollView doesn't appear to monitor the content view transform so on the next zoom operation it sets the transform of the content view to whatever the overall scale factor is. Since you've manually redrawn your view at the last scale factor it compounds..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now on the main thread. The previous statement is not entirely correct as Tom's answer shows. You can allow the run loop to come to completion in the middle of operations performed on the main thread. However this still may reduce the responsiveness of your application. In general it is recommended that you move anything that takes.. dispatch_async queue ^ Do some work dispatch_async main_queue ^ Update the UI The Do some work part of the above could be a lengthy calculation or an operation that loops over multiple values. In this example the UI is only updated at the end of the operation but if you wanted continuous progress tracking in your UI you.. part of the above could be a lengthy calculation or an operation that loops over multiple values. In this example the UI is only updated at the end of the operation but if you wanted continuous progress tracking in your UI you could place the dispatch to the main queue where ever you needed a UI update to be performed. For..
Xcode 4: create IPA file instead of .xcarchive http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive 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 iOS App Store Package..
how to display test IAd banner in the simulator http://stackoverflow.com/questions/5947552/how-to-display-test-iad-banner-in-the-simulator connected well formated.still i am not getting IAd banner in my simulator and my Log statement giving me error like this Error Domain ADErrorDomain Code 5 The operation couldn ™t be completed. Banner view is visible but does not have content UserInfo 0x574fdd0 ADInternalErrorCode 5 NSLocalizedFailureReason Banner view is visible..
Is there a way to pass touches through on the iPhone? http://stackoverflow.com/questions/631427/is-there-a-way-to-pass-touches-through-on-the-iphone changing the control. The drag exit calls the touch up inside section to set the control then calls the touches began section to start the main area touching operation. However at this point the touchesMoved and touchesEnded are obviously not being called because the touches originated on the UIButton. Is there a way to half ignore..
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 with the NSDateFormatter locale &ldquo feature&rdquo It seems that NSDateFormatter has a feature that bites you unexpectedly If you do a simple fixed format operation such as NSDateFormatter fmt NSDateFormatter alloc init fmt setDateFormat @ yyyyMMddHHmmss NSString dateStr fmt stringFromDate someDate fmt release Then it works..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 access to a small rectangular rendering area in the frame buffer to process the data further in CPU. Performance is important because I have to perform this operation repeatedly. I have searched the web and found some approach like using Pixel Buffer Object and glMapBuffer but it seems that OpenGL ES 2.0 does not support them...
How to post more parameters with image upload code in iOS? http://stackoverflow.com/questions/10618056/how-to-post-more-parameters-with-image-upload-code-in-ios POST path url parameters newParams __block NSString responseString NSString stringWithString @ AFHTTPRequestOperation _operation AFHTTPRequestOperation alloc initWithRequest theRequest __weak AFHTTPRequestOperation operation _operation operation setCompletionBlockWithSuccess.. _operation AFHTTPRequestOperation alloc initWithRequest theRequest __weak AFHTTPRequestOperation operation _operation operation setCompletionBlockWithSuccess ^ AFHTTPRequestOperation operation id responseObject responseString operation.. _operation AFHTTPRequestOperation alloc initWithRequest theRequest __weak AFHTTPRequestOperation operation _operation operation setCompletionBlockWithSuccess ^ AFHTTPRequestOperation operation id responseObject responseString operation responseString..
http://stackoverflow.com/questions/158914/cropping-a-uiimage hoping that drawing to an offscreen view wasn't one of these. Am I wrong Oh how I miss NSImage's drawInRect fromRect operation fraction method. iphone objective c cocoa touch image manipulation share improve this question I'm going to copy paste..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview by Bill Dudney. The newest version of the program at the very bottom of the page implements this kind of perspective operation. The code should be reasonably simple to read. The sublayerTransform you refer to in your response is a transform that is..
How can I pop a view from a UINavigationController and replace it with another in one operation? http://stackoverflow.com/questions/410471/how-can-i-pop-a-view-from-a-uinavigationcontroller-and-replace-it-with-another-i can I pop a view from a UINavigationController and replace it with another in one operation I have an application where I need to remove one view from the stack of a UINavigationController and replace it with another...
Do you need to create an NSAutoreleasePool within a block in GCD? http://stackoverflow.com/questions/4141123/do-you-need-to-create-an-nsautoreleasepool-within-a-block-in-gcd thread or run an NSOperation on an NSOperationQueue you need to create an NSAutoreleasePool for that thread or operation because none exists by default. Does the same rule apply to a block that is placed within a Grand Central Dispatch queue..
Alternatives to google maps api http://stackoverflow.com/questions/4151593/alternatives-to-google-maps-api I want to display a location on a map by retrieving gps information. Overall the api should offer a similar scope of operation like google maps api. Which alternatives do you know Maybe there are open source api's Any other suggestions iphone android..
How do I reset after a UIScrollView zoom? http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom This transform provides a smooth scaling of the view without having to redraw it each frame. At the end of the zoom operation your delegate method scrollViewDidEndZooming withView atScale will be called and give you a chance to do a more high quality.. this causes a problem because UIScrollView doesn't appear to monitor the content view transform so on the next zoom operation it sets the transform of the content view to whatever the overall scale factor is. Since you've manually redrawn your view..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now is not entirely correct as Tom's answer shows. You can allow the run loop to come to completion in the middle of operations performed on the main thread. However this still may reduce the responsiveness of your application. In general it is recommended.. dispatch_async main_queue ^ Update the UI The Do some work part of the above could be a lengthy calculation or an operation that loops over multiple values. In this example the UI is only updated at the end of the operation but if you wanted continuous.. calculation or an operation that loops over multiple values. In this example the UI is only updated at the end of the operation but if you wanted continuous progress tracking in your UI you could place the dispatch to the main queue where ever you..
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 the content and options for sharing pane..
http://stackoverflow.com/questions/5360846/suspend-the-application straightforward users can easily understand and remember them. People expect to have ample opportunity to cancel an operation before it begins and they expect to get a chance to confirm their intention to perform a potentially destructive action... their intention to perform a potentially destructive action. Finally people expect to be able to gracefully stop an operation that ™s underway. There should be no reason that you need to force your application into the background during its operation... that ™s underway. There should be no reason that you need to force your application into the background during its operation. It should remain fully functional when displayed onscreen and it should be up to the user when they want to switch away..
how to display test IAd banner in the simulator http://stackoverflow.com/questions/5947552/how-to-display-test-iad-banner-in-the-simulator IAd banner in my simulator and my Log statement giving me error like this Error Domain ADErrorDomain Code 5 The operation couldn ™t be completed. Banner view is visible but does not have content UserInfo 0x574fdd0 ADInternalErrorCode 5 NSLocalizedFailureReason..
Is there a way to pass touches through on the iPhone? http://stackoverflow.com/questions/631427/is-there-a-way-to-pass-touches-through-on-the-iphone the touch up inside section to set the control then calls the touches began section to start the main area touching operation. However at this point the touchesMoved and touchesEnded are obviously not being called because the touches originated on..
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 feature&rdquo It seems that NSDateFormatter has a feature that bites you unexpectedly If you do a simple fixed format operation such as NSDateFormatter fmt NSDateFormatter alloc init fmt setDateFormat @ yyyyMMddHHmmss NSString dateStr fmt stringFromDate..
Are the Core Image filters in iOS 5.0 fast enough for realtime video processing? http://stackoverflow.com/questions/6625888/are-the-core-image-filters-in-ios-5-0-fast-enough-for-realtime-video-processing This is about the simplest Core Image filter case you can set up so performance will certainly vary with more complex operations. This would seem to indicate that Core Image cannot do live processing fast enough to match the iPhone's camera rate on.. of Core Image's performance. The sepia tone filter I was using as a basis of comparison was not performing the same operation as my own so it was a poor benchmark. The performance of Core Image filters also improved significantly in iOS 6 which helped..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 area in the frame buffer to process the data further in CPU. Performance is important because I have to perform this operation repeatedly. I have searched the web and found some approach like using Pixel Buffer Object and glMapBuffer but it seems..
How do I fix NSURLErrorDomain error -999 in iPhone 3.0 OS http://stackoverflow.com/questions/1024748/how-do-i-fix-nsurlerrordomain-error-999-in-iphone-3-0-os that shows a page fine. But when I click a link it calls my delegate for didFailLoadWithError and the error is Operation could not be completed. NSURLErrorDomain error 999. I verified this is still working with OS 2.2.1 so it is something changed..
iPhone - copying a file from resources to Documents gives an error http://stackoverflow.com/questions/1132005/iphone-copying-a-file-from-resources-to-documents-gives-an-error of the app. On the simulator this works fine. But when I run it on a device copying the files gives me this error Operation could not be completed. Cocoa error 513. The source and destinations paths are fine but I still cannot copy the file. Any.. MyFile.mp3 Dest var mobile Applications 512D7565 7EF7 4C13 A015 19EEC3F3B465 Documents Files MyFile.mp3 Err desc Operation could not be completed. Cocoa error 513. Err reason null A question Is there a limit to the file size when copying data..
iphone Core Data Unresolved error while saving http://stackoverflow.com/questions/1283960/iphone-core-data-unresolved-error-while-saving when doing different tasks the error message Unresolved error Domain NSCocoaErrorDomain Code 1560 UserInfo 0x14f5480 Operation could not be completed. Cocoa error 1560. NSDetailedErrors Error Domain NSCocoaErrorDomain Code 1570 UserInfo 0x5406d70.. not be completed. Cocoa error 1560. NSDetailedErrors Error Domain NSCocoaErrorDomain Code 1570 UserInfo 0x5406d70 Operation could not be completed. Cocoa error 1570. Error Domain NSCocoaErrorDomain Code 1570 UserInfo 0x14f9be0 Operation could not.. Operation could not be completed. Cocoa error 1570. Error Domain NSCocoaErrorDomain Code 1570 UserInfo 0x14f9be0 Operation could not be completed. Cocoa error 1570. and the method that generates the error is IBAction saveAction id sender NSError..
Location Manager Error : (KCLErrorDomain error 0) http://stackoverflow.com/questions/1409141/location-manager-error-kclerrordomain-error-0 Manager Error KCLErrorDomain error 0 Location Manager Error Operation could not be completed KCLErrorDomain error 0 why this error occurs iphone share improve this question This error occurs..
AVAudioPlayer with external URL to *.m4p http://stackoverflow.com/questions/1605846/avaudioplayer-with-external-url-to-m4p player play Any suggestions what is going wrong here The error shows this Error Domain NSOSStatusErrorDomain Code 43 Operation could not be completed. OSStatus error 43. iphone url audio avaudioplayer share improve this question I tried this..
iPhone Core Data “Automatic Lightweight Migration” http://stackoverflow.com/questions/1830079/iphone-core-data-automatic-lightweight-migration code 2009 12 01 20 04 22.877 Shoppee 25633 207 Error Error Domain NSCocoaErrorDomain Code 134130 UserInfo 0x1624d20 Operation could not be completed. Cocoa error 134130. 2009 12 01 20 04 22.879 Shoppee 25633 207 Unresolved error Error Domain NSCocoaErrorDomain.. 12 01 20 04 22.879 Shoppee 25633 207 Unresolved error Error Domain NSCocoaErrorDomain Code 134130 UserInfo 0x1624d20 Operation could not be completed. Cocoa error 134130. URL file localhost Users Eric Library Application 20Support iPhone 20Simulator..
CoreData: “Dangling reference to an invalid object.” error http://stackoverflow.com/questions/2003648/coredata-dangling-reference-to-an-invalid-object-error Dangling reference to an invalid object. null NSAffectedObjectsErrorKey dump #1 of someObject NSLocalizedDescription Operation could not be completed. Cocoa error 1550. NSValidationErrorKey someKey pointing to someObject #1 NSValidationErrorObject..
NSHTTPURLResponse statusCode is returning zero when it should be 401 [duplicate] http://stackoverflow.com/questions/2188099/nshttpurlresponse-statuscode-is-returning-zero-when-it-should-be-401 has a statusCode of zero after the call. I get this error Error Domain NSURLErrorDomain Code 1012 UserInfo 0x4d3b3c0 Operation could not be completed. NSURLErrorDomain error 1012. but no status code. Why The status code the server is sending is 401...
How to handle “Don't Allow” for location manager? http://stackoverflow.com/questions/2333344/how-to-handle-dont-allow-for-location-manager disconnected from daemon locationManager didFailWithError Line 244 Error Denied Error Domain kCLErrorDomain Code 1 Operation could not be completed. kCLErrorDomain error 1. iphone cllocationmanager didfailwitherror share improve this question..
Displaying ppt, doc, and xls in UIWebView doesn't work but pdf does http://stackoverflow.com/questions/2520137/displaying-ppt-doc-and-xls-in-uiwebview-doesnt-work-but-pdf-does blank navType 5 webViewDidStartLoad didFailLoadWithError Error Domain NSURLErrorDomain Code 100 UserInfo 0x122503a0 Operation could not be completed. NSURLErrorDomain error 100. didFailLoadWithError Error Domain WebKitErrorDomain Code 102 UserInfo..
Core Location in iPhone Simulator 3.2 (iPad) http://stackoverflow.com/questions/2841140/core-location-in-iphone-simulator-3-2-ipad NSError error gets called. not on 3.1.3 error object looks like this Error Domain kCLErrorDomain Code 0 Operation could not be completed. kCLErrorDomain error 0. edit so i handled it something like this void locationManager CLLocationManager..
iPhone Core Data Lightweight Migration Cocoa error 134130: Can't find model for source store http://stackoverflow.com/questions/3146515/iphone-core-data-lightweight-migration-cocoa-error-134130-cant-find-model-for options options error error with the error Error Error Domain NSCocoaErrorDomain Code 134130 UserInfo 0x4fbff20 Operation could not be completed. Cocoa error 134130. Can't find model for source store Here is my managed object context model and..
NSFileManager creating folder (Cocoa error 513.) http://stackoverflow.com/questions/3439408/nsfilemanager-creating-folder-cocoa-error-513 2600 4056 9047 05F82633A2E4 App.app sounds Test Tones NSUnderlyingError 0x117520 The operation couldn ™t be completed. Operation not permitted What am I doing wrong Thanks. iphone nsfilemanager share improve this question If you search Google on..
Subclassing NSOperation to be concurrent and cancellable http://stackoverflow.com/questions/3859631/subclassing-nsoperation-to-be-concurrent-and-cancellable NSOperation to be concurrent and cancellable I am unable to find good documentation about how to subclass NSOperation to be concurrent.. NSOperation to be concurrent and cancellable I am unable to find good documentation about how to subclass NSOperation to be concurrent and also to support cancellation. I read the Apple docs but I am unable to find an official example. Here.. YES self didChangeValueForKey @ isExecuting if _isCancelled YES NSLog @ OPERATION CANCELED else NSLog @ Operation started. sleep 1 self finish void finish NSLog @ operationfinished. self willChangeValueForKey @ isExecuting self willChangeValueForKey..
Crash using Aggregate Operation: “ALL” in a Core Data iOS Application http://stackoverflow.com/questions/5922139/crash-using-aggregate-operation-all-in-a-core-data-ios-application using Aggregate Operation &ldquo ALL&rdquo in a Core Data iOS Application I'm working on an iphone application and I have a simple many to many relationship..
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