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2014/10/15 ¤U¤È 10:09:28
iphone Programming Glossary: furtherUIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos I don't manage to get the values for the EXIF tags. Here's my code in case any of you can go further #import EXFJpeg.h void imagePickerController UIImagePickerController picker didFinishPickingImage UIImage..
UIScrollView. Any thoughts on implementing “infinite” scroll/zoom? http://stackoverflow.com/questions/1493950/uiscrollview-any-thoughts-on-implementing-infinite-scroll-zoom 1.0. The image will still appear zoomed in but the scroll view will be able to continue zooming in further as necessary. Google Maps takes this one step further where it lazy loads more detailed views as the.. view will be able to continue zooming in further as necessary. Google Maps takes this one step further where it lazy loads more detailed views as the user zooms you may or may not choose to implement this...
Does my application “contain encryption”? http://stackoverflow.com/questions/2135081/does-my-application-contain-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 but only via NSURLConnection.. requirements provided under 740.13. e . Please visit encryption web page in case you need further help in determining if your app qualifies for any exemptions. If you believe that your app qualifies..
Is MonoTouch now banned on the iPhone? [closed] http://stackoverflow.com/questions/2604033/is-monotouch-now-banned-on-the-iphone C C C or JavaScript as executed by the iPhone OS WebKit engine... They even hammer it in a little further Applications that link to Documented APIs through an intermediary translation or compatibility layer..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing logic is sound but I tend to share an application delegate and do the interface specific layout further down the line. Update 12 21 2011 As of iOS 4.2 you should no longer need to weak link frameworks to..
Preserve HTML font-size when iPhone orientation changes from portrait to landscape http://stackoverflow.com/questions/2710764/preserve-html-font-size-when-iphone-orientation-changes-from-portrait-to-landsca
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application That was almost one year ago and since then Apple introduced 'Document Support' which goes a step further and allows apps to associate with file types. There is a lot of talk in the documentation about how..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store package. UUIDs can be easiest retrieved using Ad Hoc Helper available from the App Store. For further details on this method see Craig Hockenberry's Beta testing on iPhone 2.0 article Jailbroken iPhone..
How do I manage building a Lite vs Paid version of an iPhone app? http://stackoverflow.com/questions/549462/how-do-i-manage-building-a-lite-vs-paid-version-of-an-iphone-app determine at compile time which version you are compiling for using #ifdef LITE etc. Going even further you could set a global flag or AppDelegate member variable based on #ifdef LITE and change behaviour..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers delegate and reference the viewcontroller instances in the app delegate methods. Fair 'nuff. A bit further on we get this slide telling us what we should do. Page 18 51 Best Practices for Data Flow Figure out..
Tab bar controller inside a navigation controller, or sharing a navigation root view http://stackoverflow.com/questions/576764/tab-bar-controller-inside-a-navigation-controller-or-sharing-a-navigation-root has a tab bar across the bottom. Each tab item shows a different list and lets you drill down further the subsequent levels don't show the tab bar . So this seems like the implementation hierarchy is UINavigationController..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes we like to keep the memory footprint low. You could even go ahead and split these mapping models further to migrate only ranges of the entities. Say we got one million records this may crash the whole process...
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare of fit see this paper page 363 5. boundary conditions and page 364. The above linked paper has further details too. I just noticed you are using yaw pitch and roll. Simply put don't and another reason not..
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 read only 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..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos the EXIF format and the lack of high level API in the library I don't manage to get the values for the EXIF tags. Here's my code in case any of you can go further #import EXFJpeg.h void imagePickerController UIImagePickerController picker didFinishPickingImage UIImage image editingInfo NSDictionary editingInfo NSLog @ image..
UIScrollView. Any thoughts on implementing “infinite” scroll/zoom? http://stackoverflow.com/questions/1493950/uiscrollview-any-thoughts-on-implementing-infinite-scroll-zoom twice as large then reset the scroll view's zoom factor to 1.0. The image will still appear zoomed in but the scroll view will be able to continue zooming in further as necessary. Google Maps takes this one step further where it lazy loads more detailed views as the user zooms you may or may not choose to implement this. share..
Does my application “contain encryption”? http://stackoverflow.com/questions/2135081/does-my-application-contain-encryption 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 but only via NSURLConnection and UIWebView . My reading of this is that my app doesn't.. at free of cost to general public and you have met the notification requirements provided under 740.13. e . Please visit encryption web page in case you need further help in determining if your app qualifies for any exemptions. If you believe that your app qualifies for an exemption please answer œYES to the question. share..
Is MonoTouch now banned on the iPhone? [closed] http://stackoverflow.com/questions/2604033/is-monotouch-now-banned-on-the-iphone ...Applications must be originally written in Objective C C C or JavaScript as executed by the iPhone OS WebKit engine... They even hammer it in a little further Applications that link to Documented APIs through an intermediary translation or compatibility layer or tool are prohibited Kind of a bummer MonoTouch and the Flash..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing That should take care of the runtime errors. Your conditional logic is sound but I tend to share an application delegate and do the interface specific layout further down the line. Update 12 21 2011 As of iOS 4.2 you should no longer need to weak link frameworks to prevent errors like this. As Marco Arment describes if you build..
Preserve HTML font-size when iPhone orientation changes from portrait to landscape http://stackoverflow.com/questions/2710764/preserve-html-font-size-when-iphone-orientation-changes-from-portrait-to-landsca
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application that apps could be associated with custom URL protocols. That was almost one year ago and since then Apple introduced 'Document Support' which goes a step further and allows apps to associate with file types. There is a lot of talk in the documentation about how to set up your app to launch other appropriate apps when it..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store adding UUIDs for each of the devices to your application package. UUIDs can be easiest retrieved using Ad Hoc Helper available from the App Store. For further details on this method see Craig Hockenberry's Beta testing on iPhone 2.0 article Jailbroken iPhone For jailbroken iPhones you can use the following method which..
How do I manage building a Lite vs Paid version of an iPhone app? http://stackoverflow.com/questions/549462/how-do-i-manage-building-a-lite-vs-paid-version-of-an-iphone-app PAID to your paid target. Thein in your source files you can determine at compile time which version you are compiling for using #ifdef LITE etc. Going even further you could set a global flag or AppDelegate member variable based on #ifdef LITE and change behaviour at runtime for the Lite and paid apps. I'm not sure I see value..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers for communicating between the viewcontroller into your app delegate and reference the viewcontroller instances in the app delegate methods. Fair 'nuff. A bit further on we get this slide telling us what we should do. Page 18 51 Best Practices for Data Flow Figure out exactly what needs to be communicated Define input parameters..
Tab bar controller inside a navigation controller, or sharing a navigation root view http://stackoverflow.com/questions/576764/tab-bar-controller-inside-a-navigation-controller-or-sharing-a-navigation-root If you click on any account it goes to the second level which has a tab bar across the bottom. Each tab item shows a different list and lets you drill down further the subsequent levels don't show the tab bar . So this seems like the implementation hierarchy is UINavigationController Accounts UITableViewController UITabBarController..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes two steps because it's taking long to migrate 2k entries and we like to keep the memory footprint low. You could even go ahead and split these mapping models further to migrate only ranges of the entities. Say we got one million records this may crash the whole process. It's possible to narrow the fetched entities down with..
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare offset instead of fixed ending points or defining measures of fit see this paper page 363 5. boundary conditions and page 364. The above linked paper has further details too. I just noticed you are using yaw pitch and roll. Simply put don't and another reason not to . Can you use the accelerometer data instead An accelerometer..
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 to access the frame buffer than using glReadPixels I would need read only 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..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos level API in the library I don't manage to get the values for the EXIF tags. Here's my code in case any of you can go further #import EXFJpeg.h void imagePickerController UIImagePickerController picker didFinishPickingImage UIImage image editingInfo..
UIScrollView. Any thoughts on implementing “infinite” scroll/zoom? http://stackoverflow.com/questions/1493950/uiscrollview-any-thoughts-on-implementing-infinite-scroll-zoom zoom factor to 1.0. The image will still appear zoomed in but the scroll view will be able to continue zooming in further as necessary. Google Maps takes this one step further where it lazy loads more detailed views as the user zooms you may.. in but the scroll view will be able to continue zooming in further as necessary. Google Maps takes this one step further where it lazy loads more detailed views as the user zooms you may or may not choose to implement this. share improve this..
Does my application “contain encryption”? http://stackoverflow.com/questions/2135081/does-my-application-contain-encryption 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 but only via NSURLConnection and UIWebView . My.. have met the notification requirements provided under 740.13. e . Please visit encryption web page in case you need further help in determining if your app qualifies for any exemptions. If you believe that your app qualifies for an exemption please..
Dismiss keyboard by touching background of UITableView http://stackoverflow.com/questions/2321038/dismiss-keyboard-by-touching-background-of-uitableview is easily done by creating a UITapGestureRecognizer object by default this will detect a gesture on a single tap so no further customization is required specifying a target action for when the gesture is fired and then attaching the gesture recognizer..
Is MonoTouch now banned on the iPhone? [closed] http://stackoverflow.com/questions/2604033/is-monotouch-now-banned-on-the-iphone written in Objective C C C or JavaScript as executed by the iPhone OS WebKit engine... They even hammer it in a little further Applications that link to Documented APIs through an intermediary translation or compatibility layer or tool are prohibited..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing Your conditional logic is sound but I tend to share an application delegate and do the interface specific layout further down the line. Update 12 21 2011 As of iOS 4.2 you should no longer need to weak link frameworks to prevent errors like..
Preserve HTML font-size when iPhone orientation changes from portrait to landscape http://stackoverflow.com/questions/2710764/preserve-html-font-size-when-iphone-orientation-changes-from-portrait-to-landsca
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application URL protocols. That was almost one year ago and since then Apple introduced 'Document Support' which goes a step further and allows apps to associate with file types. There is a lot of talk in the documentation about how to set up your app to..
Tab Bar Application With Navigation Controller http://stackoverflow.com/questions/369128/tab-bar-application-with-navigation-controller seem to find an example of is adding a navigation controller to the app so each nib i.e. each tab can drill down to further detail pages. Should I be adding a navigation controller to the main window and creating an IBOutlet for it or should the..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store to your application package. UUIDs can be easiest retrieved using Ad Hoc Helper available from the App Store. For further details on this method see Craig Hockenberry's Beta testing on iPhone 2.0 article Jailbroken iPhone For jailbroken iPhones..
Getting displacement from accelerometer data with Core Motion http://stackoverflow.com/questions/4449565/getting-displacement-from-accelerometer-data-with-core-motion situation. Yes you are right you have to integrate twice to get the position as function of time. And for further processing you should store the first integration's result velocity because you will need it in a later stage for optimisation...
How do I manage building a Lite vs Paid version of an iPhone app? http://stackoverflow.com/questions/549462/how-do-i-manage-building-a-lite-vs-paid-version-of-an-iphone-app source files you can determine at compile time which version you are compiling for using #ifdef LITE etc. Going even further you could set a global flag or AppDelegate member variable based on #ifdef LITE and change behaviour at runtime for the..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers into your app delegate and reference the viewcontroller instances in the app delegate methods. Fair 'nuff. A bit further on we get this slide telling us what we should do. Page 18 51 Best Practices for Data Flow Figure out exactly what needs..
Tab bar controller inside a navigation controller, or sharing a navigation root view http://stackoverflow.com/questions/576764/tab-bar-controller-inside-a-navigation-controller-or-sharing-a-navigation-root the second level which has a tab bar across the bottom. Each tab item shows a different list and lets you drill down further the subsequent levels don't show the tab bar . So this seems like the implementation hierarchy is UINavigationController..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes 2k entries and we like to keep the memory footprint low. You could even go ahead and split these mapping models further to migrate only ranges of the entities. Say we got one million records this may crash the whole process. It's possible to..
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare or defining measures of fit see this paper page 363 5. boundary conditions and page 364. The above linked paper has further details too. I just noticed you are using yaw pitch and roll. Simply put don't and another reason not to . Can you use the..
Why am I having to manually set my view's frame in viewDidLoad? http://stackoverflow.com/questions/6757018/why-am-i-having-to-manually-set-my-views-frame-in-viewdidload this 2. view frame 0 0 768 911 Then when I go back to Landscape the frame is now this 3. view frame 0 0 1024 655 And further autorotation events will flip flop between frame values #2 #3. To get around the weirdness of #1 I'm currently doing this..
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 I would need read only 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..
Need content in UIWebView to display quickly http://stackoverflow.com/questions/1246420/need-content-in-uiwebview-to-display-quickly above email can be found at http www.cocoabuilder.com archive message cocoa 2009 8 10 242484 with no further replies Further proof that NSURLCache can work is found in iCab Blog URL filtering for UIWebView on the iPhone Aug 18 2009 Anyone here probably..
Break on EXC_BAD_ACCESS in XCode? http://stackoverflow.com/questions/1622079/break-on-exc-bad-access-in-xcode to draw to the context I retrieve from UIGraphicsGetCurrentContext and pass to the object that I want to draw with. Further trial and error debugging and I found that an NSMutableArray I have a property for on my class was a zombie. I went into..
How can I disable the UITableView selection highlighting? http://stackoverflow.com/questions/190908/how-can-i-disable-the-uitableview-selection-highlighting cell.selectionStyle UITableViewCellSelectionStyleNone or cell setSelectionStyle UITableViewCellSelectionStyleNone Further make sure you either don't implement tableView didSelectRowAtIndexPath in your table view delegate or explicitly exclude..
When should I initialize a view controller using initWithNibName? http://stackoverflow.com/questions/2224077/when-should-i-initialize-a-view-controller-using-initwithnibname alloc init Then in MYViewController id init self super initWithNibName @ Myview bundle nil if self nil Further initialization if needed return self id initWithNibName NSString nibName bundle NSBundle bundle NSAssert NO @ Initialize..
The concept of file's owner,first responder, and application delegate in iPhone [duplicate] http://stackoverflow.com/questions/2305183/the-concept-of-files-owner-first-responder-and-application-delegate-in-iphone owner . When working with a nib for a UIViewController subclass this is usually the UIViewController subclass itself. Further reading Resource Programming Guide Nib Files First Responder This is the view that receives untargeted events i.e. those.. item meaning that the selected text field gets a chance to handle the copy event first then its superview and so on. Further reading iPhone Application Programming Guide Event Handling Application Delegate This is simply the delegate of the application's..
http://stackoverflow.com/questions/2941596/nsarray-containobjects-method NSLog @ collection contains this item I suppose the above checking will give me a positive result but it's not. Further I checked whether the objects created are the same. NSLog @ L i W i H i itemToCheck.length itemToCheck.width itemToCheck.height..
Alternative solutions for in-house iPhone enterprise app distribution http://stackoverflow.com/questions/3309835/alternative-solutions-for-in-house-iphone-enterprise-app-distribution track of device UDID on the configuration server you can also pre load it to allow a certain set of devices to work. Further nothing I have described is iPhone specific so you can use the same configuration management system and concepts on other..
iOS: How to make a secure HTTPS connection to pass credentials? http://stackoverflow.com/questions/3509082/ios-how-to-make-a-secure-https-connection-to-pass-credentials in for future requests What is the best way to do this iphone objective c ipad ios share improve this question Further update October 2013 Although at the time I wrote this answer ASIHTTPRequest was maintained a widely supported this is no..
Do iPhone / Android browsers support CSS @media handheld? http://stackoverflow.com/questions/3893342/do-iphone-android-browsers-support-css-media-handheld
How can I create my own UITabBar? http://stackoverflow.com/questions/4020108/how-can-i-create-my-own-uitabbar can I create my own UITabBar Further to this question here I'm really interested in creating my own UITabBar and 'rolling my own'. Im really curious as to how..
Remove the “Today” entry from UIDatePicker http://stackoverflow.com/questions/4220850/remove-the-today-entry-from-uidatepicker entries look the same or even better b disable the today entry use regular date instead and color the next day in blue Further more the application is for private use only it's not going to get distributed on the AppStore which means I could use private..
Mysterious “progressive slowing” problem in run loop / drawRect http://stackoverflow.com/questions/4786754/mysterious-progressive-slowing-problem-in-run-loop-drawrect do this there is a mysterious problem the time taken for each drawing cycle increases each time becoming unusable . Further the time can vary erratically. Is this a known iOS bug or Has anyone seen this before Here is an extremely trivial extremely.. go around. However occasionally the time will drop to incredibly quick for a couple rounds and then return. Weird huh Further if you are running on your simulator click back and fore quickly to unrelated apps on your Mac for even weirder results...
Xcode 4 failure to symbolicate Crash Log http://stackoverflow.com/questions/5458573/xcode-4-failure-to-symbolicate-crash-log find the dSym files for these AdHoc builds. iphone cocoa touch xcode debugging adhoc share improve this question Further to coob's answer I find adding these directories to Spotlight's ignore list System Preferences &rarr Spotlight &rarr Privacy..
instruments with iOS: Why does Memory Monitor disagree with Allocations? http://stackoverflow.com/questions/5518918/instruments-with-ios-why-does-memory-monitor-disagree-with-allocations instruments Allocations thinks my application Ongo is only using 7.55 MBs of memory while Memory Monitor says 53.30. Further more the free system memory has little to no correlation to the amount of memory that the app is using. Does anyone know..
How can I format a date in Objective-C similar to the jquery.timeago library? http://stackoverflow.com/questions/7809899/how-can-i-format-a-date-in-objective-c-similar-to-the-jquery-timeago-library dateWithMinutesBeforeNow etc but if there is a library out there that has already done this I will use it. EDIT Further to this if someone composes a method takes a date returns a string that accomplishes this either with this linked extensions..
How to save nsdictionary of a subview to a mainview based off tableviewcell selection http://stackoverflow.com/questions/7922305/how-to-save-nsdictionary-of-a-subview-to-a-mainview-based-off-tableviewcell-sele void searchOptionsSelected NSArray selectedSearchOptions do what you need to with selectedSearchOptions array Further reading Cocoa Fundamentals Guide Delegates and Data Sources Cocoa Core Competencies Protocol share improve this answer..
Is there any way to determine if the iphone is roaming? http://stackoverflow.com/questions/900547/is-there-any-way-to-determine-if-the-iphone-is-roaming references to 'roam' or 'roaming' 4. Obviously I started by checking at SO for this Couldn't find anything related. Further steps Does anyone have any advice here I know this is possible. Apple clearly has made it very difficult to find however...
http://stackoverflow.com/questions/9090745/custom-font-in-a-storyboard I can't seem to get the find to show up to use it in my text controls buttons etc in Xcode 4.2's storyboard section. Further it doesn't appear to allow me to type the font name it forces me to use the font dialog. I attempted to install this font..
Maintain PHP Session in web app on iPhone http://stackoverflow.com/questions/9998900/maintain-php-session-in-web-app-on-iphone on the phone and then return to the web app I have to log in again. It seems like the session is not maintained. Further if I have an external link and it opens safari for that link that same session is not transfered to the safari window. Is..
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