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2014/10/15 ¤U¤È 10:13:23
iphone Programming Glossary: restoreHow do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone become first responder from user actions like a search bar or text entry field you'll also need to restore the shaking view first responder status when the other view resigns This method works even if you set..
UUID mismatch detected with the loaded library http://stackoverflow.com/questions/215252/uuid-mismatch-detected-with-the-loaded-library 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 this everything was back to..
Popover with embedded navigation controller doesn't respect size on back nav http://stackoverflow.com/questions/2752394/popover-with-embedded-navigation-controller-doesnt-respect-size-on-back-nav change while navigating to different controller while going back the size of the popover does not restore Changing size of the popover in viewWillAppear gives very strange animation when let's say you popController..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions method of the parent controller while the modal view is presented. In order to properly restore the interface orientation when the modal controller is dismissed you need to make sure shouldAutorotateToInterfaceOrientation..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll void viewDidDisappear BOOL animated save the state of the search UI so that it can be restored if the view is re created self.searchWasActive self.searchDisplayController isActive self.savedSearchTerm.. self.searchDisplayController.searchBar selectedScopeButtonIndex void viewDidLoad restore search settings if they were saved in didReceiveMemoryWarning. if self.savedSearchTerm self.searchDisplayController..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events I can do a lot of backgrounding. but remember be very spare with CPU time. And save all data to restore your views your app will be terminated some time later. To make it appear still running you must jump..
How do I draw a shadow under a UIView? http://stackoverflow.com/questions/805872/how-do-i-draw-a-shadow-under-a-uiview current code you save the GState of the current context configure it to draw a shadow .. and the restore it to what it was before you configured it to draw a shadow. Then finally you invoke the superclass's..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone animated Don't forget that if you have other views that become first responder from user actions like a search bar or text entry field you'll also need to restore the shaking view first responder status when the other view resigns This method works even if you set applicationSupportsShakeToEdit to NO. share improve this..
UUID mismatch detected with the loaded library http://stackoverflow.com/questions/215252/uuid-mismatch-detected-with-the-loaded-library
Popover with embedded navigation controller doesn't respect size on back nav http://stackoverflow.com/questions/2752394/popover-with-embedded-navigation-controller-doesnt-respect-size-on-back-nav to different controller. When the size of the popover will change while navigating to different controller while going back the size of the popover does not restore Changing size of the popover in viewWillAppear gives very strange animation when let's say you popController inside the popover I'd not recommend it For me setting..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions desired orientation from the shouldAutorotateToInterfaceOrientation method of the parent controller while the modal view is presented. In order to properly restore the interface orientation when the modal controller is dismissed you need to make sure shouldAutorotateToInterfaceOrientation returns the desired orientation for..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll searchFetchedResultsController_ nil super didReceiveMemoryWarning void viewDidDisappear BOOL animated save the state of the search UI so that it can be restored if the view is re created self.searchWasActive self.searchDisplayController isActive self.savedSearchTerm self.searchDisplayController.searchBar text self.savedScopeButtonIndex.. self.searchDisplayController.searchBar text self.savedScopeButtonIndex self.searchDisplayController.searchBar selectedScopeButtonIndex void viewDidLoad restore search settings if they were saved in didReceiveMemoryWarning. if self.savedSearchTerm self.searchDisplayController setActive self.searchWasActive self.searchDisplayController.searchBar..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events which will restart your background process With this PingPong I can do a lot of backgrounding. but remember be very spare with CPU time. And save all data to restore your views your app will be terminated some time later. To make it appear still running you must jump back into your last state after wakeup. I don't know if this..
How do I draw a shadow under a UIView? http://stackoverflow.com/questions/805872/how-do-i-draw-a-shadow-under-a-uiview touch core graphics share improve this question In your current code you save the GState of the current context configure it to draw a shadow .. and the restore it to what it was before you configured it to draw a shadow. Then finally you invoke the superclass's implementation of drawRect . Any drawing that should be affected..
Detect when home button is pressed iOS http://stackoverflow.com/questions/10324596/detect-when-home-button-is-pressed-ios method to release shared resources save user data invalidate timers and store enough application state information to restore your application to its current state in case it is terminated later. If your application supports background execution..
How can I change the saturation of an UIImage? http://stackoverflow.com/questions/1144768/how-can-i-change-the-saturation-of-an-uiimage context 0.0 0.0 0.0 desaturation CGContextFillRect context rect CGContextRestoreGState context restore state to reset blend mode @end Now in your view controller's viewDidLoad method put the view on screen and set it's saturation..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone other views that become first responder from user actions like a search bar or text entry field you'll also need to restore the shaking view first responder status when the other view resigns This method works even if you set applicationSupportsShakeToEdit..
UUID mismatch detected with the loaded library http://stackoverflow.com/questions/215252/uuid-mismatch-detected-with-the-loaded-library 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 this everything was back to working perfectly...
How to set the text of a back button on a UINavigationBar? [duplicate] http://stackoverflow.com/questions/2197698/how-to-set-the-text-of-a-back-button-on-a-uinavigationbar changes to the new title while the new view is animated into view via pushViewController. The fact that you have to restore your title in viewWillAppear is kludgy which further suggests its hack nature. The correct way is to do the following before..
Popover with embedded navigation controller doesn't respect size on back nav http://stackoverflow.com/questions/2752394/popover-with-embedded-navigation-controller-doesnt-respect-size-on-back-nav of the popover will change while navigating to different controller while going back the size of the popover does not restore Changing size of the popover in viewWillAppear gives very strange animation when let's say you popController inside the..
apply style to range of text with javascript in uiwebview http://stackoverflow.com/questions/2887101/apply-style-to-range-of-text-with-javascript-in-uiwebview user has searched for something I would like to change the background color behind occurrences of the word then later restore the original background. Is it possible to apply styles to ranges of text using javascript A key part of this is also being..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions method of the parent controller while the modal view is presented. In order to properly restore the interface orientation when the modal controller is dismissed you need to make sure shouldAutorotateToInterfaceOrientation..
Deleting an app in iTunes Connect http://stackoverflow.com/questions/3377534/deleting-an-app-in-itunes-connect iTunes Connect view. Deleting your app will not allow you to re use your SKU or App Name and you will not be able to restore your app once deleted. So far so good. Then it gets slightly confusing If you are selling your app to another developer..
MKMapView setRegion “snaps” to predefined zoom levels? http://stackoverflow.com/questions/3612007/mkmapview-setregion-snaps-to-predefined-zoom-levels snaps to the same zoom levels that correspond to the zoom levels used when the user double taps the map. I'm trying to restore a previously saved region but this behavior makes it impossible if the saved region was set via a pinch zoom and not a double..
http://stackoverflow.com/questions/3712979/applicationwillenterforeground-vs-applicationdidbecomeactive-applicationwillre docs say you should release shared resources save user data invalidate timers save app state so you can restore it if app is terminated. disable UI updates you have 5 seconds to do what you need to and return the method if you dont..
Is there a way of adjusting the screen brightness programmatically? http://stackoverflow.com/questions/3779667/is-there-a-way-of-adjusting-the-screen-brightness-programmatically app needs as much brightness as possible. Is there a way to change the screen brightness programmatically and then restore it back some time later iphone ios share improve this question Edit iOS 5 now includes a screen brightness API . UIScreen..
How can I find out if the iPhone user currently has a passcode set and encryption enabled? http://stackoverflow.com/questions/3806455/how-can-i-find-out-if-the-iphone-user-currently-has-a-passcode-set-and-encryptio a warning and tell the user that they must enable a passcode and turn on data protection which requires a backup and restore on pre 4 iPhones and then exit the application if they do not have a passcode and data protection enabled. I can't figure..
http://stackoverflow.com/questions/4260291/issue-with-iphone-sdk-4-2-1
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll super didReceiveMemoryWarning void viewDidDisappear BOOL animated save the state of the search UI so that it can be restored if the view is re created self.searchWasActive self.searchDisplayController isActive self.savedSearchTerm self.searchDisplayController.searchBar.. text self.savedScopeButtonIndex self.searchDisplayController.searchBar selectedScopeButtonIndex void viewDidLoad restore search settings if they were saved in didReceiveMemoryWarning. if self.savedSearchTerm self.searchDisplayController setActive..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events With this PingPong I can do a lot of backgrounding. but remember be very spare with CPU time. And save all data to restore your views your app will be terminated some time later. To make it appear still running you must jump back into your last..
How programatically move a UIScrollView to focus in a control above keyboard? http://stackoverflow.com/questions/484855/how-programatically-move-a-uiscrollview-to-focus-in-a-control-above-keyboard variable that holds the value of the UIScrollView's offset before the view is adjusted for the keyboard so you can restore the previous state after the UITextField returns header @interface TheViewController UIViewController UITextFieldDelegate..
Xcode/iOS5: Move UIView up, when keyboard appears http://stackoverflow.com/questions/7952762/xcode-ios5-move-uiview-up-when-keyboard-appears change as needed when keyboard shows up self.view.center CGPointMake self.originalCenter.x new calculated y Finally restore it when keyboard is hidden self.view.center self.originalCenter Add animation sugar as you wish You have more than one way..
How do I draw a shadow under a UIView? http://stackoverflow.com/questions/805872/how-do-i-draw-a-shadow-under-a-uiview question In your current code you save the GState of the current context configure it to draw a shadow .. and the restore it to what it was before you configured it to draw a shadow. Then finally you invoke the superclass's implementation of..
http://stackoverflow.com/questions/962827/uiimage-shadow-trouble
http://stackoverflow.com/questions/10669222/take-screenshot-of-the-window window layer anchorPoint .y Render the layer hierarchy to the current context window layer renderInContext context Restore the context CGContextRestoreGState context Retrieve the screenshot image UIImage image UIGraphicsGetImageFromCurrentImageContext.. Render the layer hierarchy to the current context window layer renderInContext context Restore the context CGContextRestoreGState context Retrieve the screenshot image UIImage image UIGraphicsGetImageFromCurrentImageContext NSData imageData UIImageJPEGRepresentation..
Apple reject because of In app purchase not implement restore [closed] http://stackoverflow.com/questions/11200460/apple-reject-because-of-in-app-purchase-not-implement-restore we found that while your app offers In App Purchase s that can be restored it does not include the required Restore feature to allow users to restore the previously purchased In App Purchase s as specified in Restoring Transactions section.. on the original device. To restore previously purchased In App Purchase products it would be appropriate to provide a Restore button and initiate the restore process when the Restore button is tapped by the user. For more information about restoring.. In App Purchase products it would be appropriate to provide a Restore button and initiate the restore process when the Restore button is tapped by the user. For more information about restoring transactions and verifying store receipt please refer..
Insert string at cursor position of UITextField http://stackoverflow.com/questions/1317929/insert-string-at-cursor-position-of-uitextfield
Applying brightness and contrast with OpenGL ES http://stackoverflow.com/questions/1506299/applying-brightness-and-contrast-with-opengl-es GL_PREVIOUS glColor4f h h h 0.75 0.5 h 2x extrapolation validateTexEnv glDrawArrays GL_TRIANGLE_STRIP 0 4 Restore state glDisable GL_TEXTURE_2D glTexEnvi GL_TEXTURE_ENV GL_OPERAND1_RGB GL_SRC_COLOR glTexEnvi GL_TEXTURE_ENV GL_RGB_SCALE..
When to use restoreCompletedTransactions for in-app purchases? http://stackoverflow.com/questions/1757467/when-to-use-restorecompletedtransactions-for-in-app-purchases is only called once instead of at every launch. Manual Recommended Another option is to offer the customer a Restore Purchases button somewhere hook it up to restoreCompletedTransactions and let them decide if and when it might be needed...
How do I create blurred text in an iPhone view? http://stackoverflow.com/questions/227305/how-do-i-create-blurred-text-in-an-iphone-view quad i .t 1.5 offh tmpquad i .s quad i .s 0.5 offw tmpquad i .t quad i .t 1.5 offh glDrawArrays GL_TRIANGLE_STRIP 0 4 Restore state glDisableClientState GL_TEXTURE_COORD_ARRAY glClientActiveTexture GL_TEXTURE0 glBindTexture GL_TEXTURE_2D Half.texID..
iPhone - flattening a UIImageView and subviews to image = blank image http://stackoverflow.com/questions/3869692/iphone-flattening-a-uiimageview-and-subviews-to-image-blank-image view layer anchorPoint .y Render the layer hierarchy to the current context view layer renderInContext context Restore the context CGContextRestoreGState context Retrieve the screenshot image UIImage image UIGraphicsGetImageFromCurrentImageContext.. .y Render the layer hierarchy to the current context view layer renderInContext context Restore the context CGContextRestoreGState context Retrieve the screenshot image UIImage image UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext..
Can example “GLImageProcessing” work with multi filters http://stackoverflow.com/questions/4375479/can-example-glimageprocessing-work-with-multi-filters h 0.75 0.5 h 2x extrapolation validateTexEnv glDrawArrays GL_TRIANGLE_STRIP 0 4 save to file snapshot result test3.jpg Restore state glDisable GL_TEXTURE_2D glTexEnvi GL_TEXTURE_ENV GL_OPERAND1_RGB GL_SRC_COLOR glTexEnvi GL_TEXTURE_ENV GL_RGB_SCALE..
UIImage with transparent rounded corners http://stackoverflow.com/questions/4885713/uiimage-with-transparent-rounded-corners context rect return Save the context's state so that the translate and scale can be undone with a call to CGContextRestoreGState. CGContextSaveGState context Translate the origin of the contex to the lower left corner of the rectangle. CGContextTranslateCTM.. corner CGContextAddArcToPoint context fw 0 fw fh 2 1 Back to lower right Close the path CGContextClosePath context Restore the context's state. This removes the translation and scaling but leaves the path since the path is not part of the graphics.. removes the translation and scaling but leaves the path since the path is not part of the graphics state. CGContextRestoreGState context iphone uiimage rounded corners share improve this question Here's a simpler formulation using UIKit..
iPhone:How can I store UIImage using NSUserDefaults? http://stackoverflow.com/questions/7620165/iphonehow-can-i-store-uiimage-using-nsuserdefaults imageData appDelegate.userDefaults setObject myEncodedImageData forKey @ myEncodedImageDataKey Restore NSData myEncodedImageData appDelegate.userDefaults objectForKey @ myEncodedImageDataKey UIImage image UIImage imageWithData..
StoreKit: Catch failed restore? http://stackoverflow.com/questions/7754900/storekit-catch-failed-restore Catch failed restore I'm implementing In App purchase feature with Restore button. I have a brand new test user set up without any payements made. When I hit restore button and log in with the new.. restoring transaction has failed since there is nothing to restore . The only method gets invoked is void paymentQueueRestoreCompletedTransactionsFinished SKPaymentQueue queue but this method gets called in the case when restoring was succesful too... cases too. iphone in app purchase storekit share improve this question You can use following delegate method for Restore Transaction. void paymentQueue SKPaymentQueue queue restoreCompletedTransactionsFailedWithError NSError error NSLog @ Error..
How do I draw a shadow under a UIView? http://stackoverflow.com/questions/805872/how-do-i-draw-a-shadow-under-a-uiview CGContextSetShadow passing the appropriate values. Perform all the drawing to which you want to apply shadows. Restore the graphics state I've tried the following in a UIView subclass void drawRect CGRect rect CGContextRef currentContext UIGraphicsGetCurrentContext.. CGContextSaveGState currentContext CGContextSetShadow currentContext CGSizeMake 15 20 5 CGContextRestoreGState currentContext super drawRect rect ..but this doesn't work for me and I'm a bit stuck about a where to go next and.. by the shadow setting needs to happen after CGContextSetShadow currentContext CGSizeMake 15 20 5 but before CGContextRestoreGState currentContext So if you want the superclass's drawRect to be 'wrapped' in a shadow then how about if you rearrange..
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