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2014/10/15 ¤U¤È 10:12:58
iphone Programming Glossary: properlyDelete/Reset all entries in Core Data? http://stackoverflow.com/questions/1077810/delete-reset-all-entries-in-core-data storeURL.path error error Then just add the persistent store back to ensure it is recreated properly. The programmatic way for iterating through each entity is both slower and prone to error. The use for..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone drawRect is not being called. Final update I found an old project that had an imageView set up properly so I could test Ramin's code and it works like a charm Final final update For those of you just learning..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos be given through this interface. FINAL UPDATE Ok I managed to get it working at least to geotag properly pictures returned by the picker. Before triggering the UIImagePickerController it's up to you to use..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution do nothing else since everything should work magically if you had set auto resizing masks properly. If you didn't adjust your view layouts with proper auto resizing masks or look into Auto Layout if..
Custom animation for pushing a UIViewController http://stackoverflow.com/questions/1406037/custom-animation-for-pushing-a-uiviewcontroller 0 0 320 480 going viewDidDisappear YES coming viewDidAppear YES UIView commitAnimations My View is properly displayed but unfortunately the navigation bar is not updatet. Is there a way to do that manually heinrich..
Does my application “contain encryption”? http://stackoverflow.com/questions/2135081/does-my-application-contain-encryption first time. iTunes Connect has asked me Export laws require that products containing encryption be properly authorized for export. Failure to comply could result in severe penalties. For further information click..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library C categories in static library Can you guide me how to properly link static library to iphone project. I use staic library project added to app project as direct dependency.. But later I found that it was my fault direct dependency projecct possibly was not added properly. When I remove it and add again with steps Drag drop lib project file in app project or add it with..
How to programmatically sense the iPhone mute switch? http://stackoverflow.com/questions/287543/how-to-programmatically-sense-the-iphone-mute-switch sense the mute button switch on the iPhone. When my app plays background music it responds properly to the volume button without me having any code to follow that but when I use the mute switch it just..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions explanatory iPhone In landscape only after first addSubview UITableViewController doesn ™t rotate properly Same issue as above. iPhone Landscape Only Utility Template Application Layout errors controller does.. 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..
Property Declaration and Automatic Backing Storage Allocation http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation it is not possible to synthesize the ivar and the second bit of code you wrote would not compile properly. The most recent versions of the iPhone simulator use the modern runtime but older ones don't. So while..
Objective-c iPhone percent encode a string? http://stackoverflow.com/questions/3423545/objective-c-iphone-percent-encode-a-string to escape all characters except a small set. To fix this I created an NSString category method to properly encode a string. It will percent encoding everything EXCEPT a zA Z0 9. _~ and will also encode spaces.. EXCEPT a zA Z0 9. _~ and will also encode spaces as according to this specification . It will also properly handle encoding unicode characters. NSString URLEncodedString_ch NSMutableString output NSMutableString..
http://stackoverflow.com/questions/402/iphone-app-in-landscape-mode to repeat this is totally irrelevant now It is EXTREMELY DIFFICULT to make this work fully properly there are at least three problems bugs at play. try this .. interface builder landscape design Note.. Note in particular that where it says and you need to use shouldAutorotateToInterfaceOrientation properly everywhere it means everywhere all your fullscreen views. Hope it helps in this nightmare An important..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file a little tricky getting libHaru to build with my project initially but once I got my project setup properly it worked fine for my needs. Second depending on the format layout of your PDF you might consider using..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload but the program you use to view it is not honoring that flag. To rotate the UIImage to display properly when uploaded you can use a category like this UIImage fixOrientation.h @interface UIImage fixOrientation..
UITableView and keyboard scrolling issue http://stackoverflow.com/questions/594181/uitableview-and-keyboard-scrolling-issue I try to scroll and edit the cells at the bottom of the UITableView I can't manage to get my cells properly positioned above the keyboard. I have seen many answers talking about changing view sizes etc... but..
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 had an experience where silencing this warning was necessary and the above doesn't handle things properly . More It's possible to build up an NSMethodInvocation to handle this as well but doing so requires..
Delete/Reset all entries in Core Data? http://stackoverflow.com/questions/1077810/delete-reset-all-entries-in-core-data store error error NSFileManager defaultManager removeItemAtPath storeURL.path error error Then just add the persistent store back to ensure it is recreated properly. The programmatic way for iterating through each entity is both slower and prone to error. The use for doing it that way is if you want to delete some entities..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone in IB and calling setNeedsDisplay in my view controller. Update drawRect is not being called. Final update I found an old project that had an imageView set up properly so I could test Ramin's code and it works like a charm Final final update For those of you just learning about Core Graphics here is the simplest thing that could..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos the meta information so we're stuck for sure no EXIF info will be given through this interface. FINAL UPDATE Ok I managed to get it working at least to geotag properly pictures returned by the picker. Before triggering the UIImagePickerController it's up to you to use the CLLocationManager to retrieve the current CLocation Once..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution with black margins on top and bottom . Test your app and hopefully do nothing else since everything should work magically if you had set auto resizing masks properly. If you didn't adjust your view layouts with proper auto resizing masks or look into Auto Layout if you only want to support iOS 6 going forward. If there is something..
Custom animation for pushing a UIViewController http://stackoverflow.com/questions/1406037/custom-animation-for-pushing-a-uiviewcontroller YES going viewWillAppear YES coming.view.frame CGRectMake 0 0 320 480 going viewDidDisappear YES coming viewDidAppear YES UIView commitAnimations My View is properly displayed but unfortunately the navigation bar is not updatet. Is there a way to do that manually heinrich In the sample code a function is called all 0.03 seconds..
Does my application “contain encryption”? http://stackoverflow.com/questions/2135081/does-my-application-contain-encryption contain encryption&rdquo I'm uploading a binary for the first time. iTunes Connect has asked me Export laws require that products containing encryption be properly authorized for export. Failure to comply could result in severe penalties. For further information click here. Does your product contain encryption I use https..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library C categories in static library Can you guide me how to properly link static library to iphone project. I use staic library project added to app project as direct dependency target general direct dependecies and all works OK.. Yet I had troubles with lib project added as direct dependency. But later I found that it was my fault direct dependency projecct possibly was not added properly. When I remove it and add again with steps Drag drop lib project file in app project or add it with Project Add to project . Click on arrow at lib project icon..
How to programmatically sense the iPhone mute switch? http://stackoverflow.com/questions/287543/how-to-programmatically-sense-the-iphone-mute-switch mute switch I can't seem to find in the SDK how to programatically sense the mute button switch on the iPhone. When my app plays background music it responds properly to the volume button without me having any code to follow that but when I use the mute switch it just keeps playing away. How do I test the position of mute NOTE..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions switching to Portraite mode on loading new controller Self explanatory iPhone In landscape only after first addSubview UITableViewController doesn ™t rotate properly Same issue as above. iPhone Landscape Only Utility Template Application Layout errors controller does not seem to recognize the view should be rotated but displays.. return the 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..
Property Declaration and Automatic Backing Storage Allocation http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation Mac OS X apps. 32 bit Mac OS X use the legacy runtime where it is not possible to synthesize the ivar and the second bit of code you wrote would not compile properly. The most recent versions of the iPhone simulator use the modern runtime but older ones don't. So while both code examples will work on actually iPhones synthesizing..
Objective-c iPhone percent encode a string? http://stackoverflow.com/questions/3423545/objective-c-iphone-percent-encode-a-string characters you want to escape. The proper specification is to escape all characters except a small set. To fix this I created an NSString category method to properly encode a string. It will percent encoding everything EXCEPT a zA Z0 9. _~ and will also encode spaces as according to this specification . It will also properly.. encode a string. It will percent encoding everything EXCEPT a zA Z0 9. _~ and will also encode spaces as according to this specification . It will also properly handle encoding unicode characters. NSString URLEncodedString_ch NSMutableString output NSMutableString string const unsigned char source const unsigned char self..
http://stackoverflow.com/questions/402/iphone-app-in-landscape-mode for historical reasons here is the original discussion and solution to repeat this is totally irrelevant now It is EXTREMELY DIFFICULT to make this work fully properly there are at least three problems bugs at play. try this .. interface builder landscape design Note in particular that where it says and you need to use shouldAutorotateToInterfaceOrientation.. bugs at play. try this .. interface builder landscape design Note in particular that where it says and you need to use shouldAutorotateToInterfaceOrientation properly everywhere it means everywhere all your fullscreen views. Hope it helps in this nightmare An important reminder of the ADDITIONAL well known problem at hand here..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file as a replacement for CoreGraphics PDF generation. It was a little tricky getting libHaru to build with my project initially but once I got my project setup properly it worked fine for my needs. Second depending on the format layout of your PDF you might consider using Interface Builder to create a view that serves as a template..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload flag is being saved to the exif data in the uploaded jpeg image but the program you use to view it is not honoring that flag. To rotate the UIImage to display properly when uploaded you can use a category like this UIImage fixOrientation.h @interface UIImage fixOrientation UIImage fixOrientation @end UIImage fixOrientation.m @implementation..
UITableView and keyboard scrolling issue http://stackoverflow.com/questions/594181/uitableview-and-keyboard-scrolling-issue 5 text fields next to each other sort of like a grid . When I try to scroll and edit the cells at the bottom of the UITableView I can't manage to get my cells properly positioned above the keyboard. I have seen many answers talking about changing view sizes etc... but none of them has worked nicely so far. Could anybody clarify..
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 design I'm coming up blank. Someone please share if they have had an experience where silencing this warning was necessary and the above doesn't handle things properly . More It's possible to build up an NSMethodInvocation to handle this as well but doing so requires a lot more typing and is also slower so there's little reason..
Delete/Reset all entries in Core Data? http://stackoverflow.com/questions/1077810/delete-reset-all-entries-in-core-data removeItemAtPath storeURL.path error error Then just add the persistent store back to ensure it is recreated properly. The programmatic way for iterating through each entity is both slower and prone to error. The use for doing it that way..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone view controller. Update drawRect is not being called. Final update I found an old project that had an imageView set up properly so I could test Ramin's code and it works like a charm Final final update For those of you just learning about Core Graphics..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos sure no EXIF info will be given through this interface. FINAL UPDATE Ok I managed to get it working at least to geotag properly pictures returned by the picker. Before triggering the UIImagePickerController it's up to you to use the CLLocationManager..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution Test your app and hopefully do nothing else since everything should work magically if you had set auto resizing masks properly. If you didn't adjust your view layouts with proper auto resizing masks or look into Auto Layout if you only want to support..
Custom animation for pushing a UIViewController http://stackoverflow.com/questions/1406037/custom-animation-for-pushing-a-uiviewcontroller CGRectMake 0 0 320 480 going viewDidDisappear YES coming viewDidAppear YES UIView commitAnimations My View is properly displayed but unfortunately the navigation bar is not updatet. Is there a way to do that manually heinrich In the sample..
Does my application “contain encryption”? http://stackoverflow.com/questions/2135081/does-my-application-contain-encryption a binary for the first time. iTunes Connect has asked me Export laws require that products containing encryption be properly authorized for export. Failure to comply could result in severe penalties. For further information click here. Does your..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library C categories in static library Can you guide me how to properly link static library to iphone project. I use staic library project added to app project as direct dependency target general.. added as direct dependency. But later I found that it was my fault direct dependency projecct possibly was not added properly. When I remove it and add again with steps Drag drop lib project file in app project or add it with Project Add to project..
How to programmatically sense the iPhone mute switch? http://stackoverflow.com/questions/287543/how-to-programmatically-sense-the-iphone-mute-switch SDK how to programatically sense the mute button switch on the iPhone. When my app plays background music it responds properly to the volume button without me having any code to follow that but when I use the mute switch it just keeps playing away...
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions new controller Self explanatory iPhone In landscape only after first addSubview UITableViewController doesn ™t rotate properly Same issue as above. iPhone Landscape Only Utility Template Application Layout errors controller does not seem to recognize.. 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..
Property Declaration and Automatic Backing Storage Allocation http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation legacy runtime where it is not possible to synthesize the ivar and the second bit of code you wrote would not compile properly. The most recent versions of the iPhone simulator use the modern runtime but older ones don't. So while both code examples..
Objective-c iPhone percent encode a string? http://stackoverflow.com/questions/3423545/objective-c-iphone-percent-encode-a-string specification is to escape all characters except a small set. To fix this I created an NSString category method to properly encode a string. It will percent encoding everything EXCEPT a zA Z0 9. _~ and will also encode spaces as according to this.. encoding everything EXCEPT a zA Z0 9. _~ and will also encode spaces as according to this specification . It will also properly handle encoding unicode characters. NSString URLEncodedString_ch NSMutableString output NSMutableString string const unsigned..
http://stackoverflow.com/questions/402/iphone-app-in-landscape-mode discussion and solution to repeat this is totally irrelevant now It is EXTREMELY DIFFICULT to make this work fully properly there are at least three problems bugs at play. try this .. interface builder landscape design Note in particular that where.. landscape design Note in particular that where it says and you need to use shouldAutorotateToInterfaceOrientation properly everywhere it means everywhere all your fullscreen views. Hope it helps in this nightmare An important reminder of the ADDITIONAL..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file generation. It was a little tricky getting libHaru to build with my project initially but once I got my project setup properly it worked fine for my needs. Second depending on the format layout of your PDF you might consider using Interface Builder..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload the uploaded jpeg image but the program you use to view it is not honoring that flag. To rotate the UIImage to display properly when uploaded you can use a category like this UIImage fixOrientation.h @interface UIImage fixOrientation UIImage fixOrientation..
UITableView and keyboard scrolling issue http://stackoverflow.com/questions/594181/uitableview-and-keyboard-scrolling-issue like a grid . When I try to scroll and edit the cells at the bottom of the UITableView I can't manage to get my cells properly positioned above the keyboard. I have seen many answers talking about changing view sizes etc... but none of them has worked..
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 share if they have had an experience where silencing this warning was necessary and the above doesn't handle things properly . More It's possible to build up an NSMethodInvocation to handle this as well but doing so requires a lot more typing and..
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