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2014/10/15 ¤U¤Č 10:08:13
iphone Programming Glossary: endHow can I animate the movement of a view or image along a curved path? http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path the shopping cart I want to create an effect where an image of the item follows a curved path and ends up at the cart tab. How can I create an animation of an image along a curve like this iphone objective.. kCAFillModeForwards pathAnimation.removedOnCompletion NO Setting Endpoint of the animation CGPoint endPoint CGPointMake 480.0f 30.0f 40.0f to end animation in last tab use CGPoint endPoint CGPointMake 320.. NO Setting Endpoint of the animation CGPoint endPoint CGPointMake 480.0f 30.0f 40.0f to end animation in last tab use CGPoint endPoint CGPointMake 320 40.0f 480.0f CGMutablePathRef curvedPath..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos alloc init jpegScanner scanImageData jpegData EXFMetaData exifMetaData jpegScanner.exifMetaData end of helper methods adding GPS data to the Exif object NSMutableArray locArray self createLocArray imageLocation.coordinate.latitude..
Use CoreData or SQLite on iPhone? [closed] http://stackoverflow.com/questions/1318467/use-coredata-or-sqlite-on-iphone usage. The one downside as pointed out is that this limits you by requiring iPhone OS 3.0 for your end users. However this has not been a problem at all for my users and will only become less of one going..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone . I was curious as a relatively inexperienced iPhone developer whether anyone could recommend an approach and a suitable JSON implementation for the iPhone which would allow me to 1 convert the.. moc return objectArray autorelease Now this is recursive so you can easily end up translating your entire persistent store if you are not careful. Watch your relationships and make..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 Info on how to use this script with a project embedded in another project although I highly recommend NOT doing that ever Apple has a couple of show stopper bugs in Xcode if you embed projects inside each.. echo ...therefore OTHER_SDK_TO_BUILD OTHER_SDK_TO_BUILD # ##################### end of part 1 ################## ##################### part 2 ################## # # IF this is the original.. code If you can't find the output file here's a workaround Add the following code to the very end of the script courtesy of Frederik Wallner open CREATING_UNIVERSAL_DIR Apple deletes all output after..
Set the maximum character length of a UITextField http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield in this example return NO to prohibit the change. When typing in a single character at the end of a text field the range.location will be the current field's length and range.length will be 0 because..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file pictureURL CFRelease pictureURL image CGImageCreateWithPNGDataProvider provider NULL true kCGRenderingIntentDefault CGDataProviderRelease provider CGContextDrawImage pdfContext CGRectMake 200 200 207.. pdfContext 260 390 text strlen text End text We are done drawing to this page let's end it We could add as many pages as we wanted using CGContextBeginPage CGContextEndPage CGContextEndPage.. get CIDs for glyphs for 'TimesNewRomanPSMT' The tricky aspect is that the resulting PDF will render fine in some PDF readers but fail to render in other places. So if you have control over the software..
Xcode 4: create IPA file instead of .xcarchive http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive happens when your build produces more than a single target say an app and a library. All of them end up in the build products folder and Xcode gets naĆÆvely confused about how to package them both into..
http://stackoverflow.com/questions/554997/cancel-a-uiview-animation Or would I have to drop to the CA level i.e. I've done something like this maybe setting an end animation action too UIView beginAnimations nil context NULL UIView setAnimationDuration duration UIView.. view properties UIView commitAnimations But before the animation completes and I get the animation ended event I want to cancel it cut it short . Is this possible Googling around finds a few people asking.. animation share improve this question The way I do it is to create a new animation to your end point. Set a very short duration and make sure you use the setAnimationBeginsFromCurrentState method..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop I needed the same thing in my case to pick the dimension that fits once scaled and then crop each end to fit the rest to the width. I'm working in landscape so might not have noticed any deficiencies in..
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 sets the 12 24 hour switch in settings to 12. Then the above starts tacking AM or PM onto the end of the resulting string. See eg NSDateFormatter am I doing something wrong or is this a bug And see.. NSLocale alloc initWithLocaleIdentifier @ en_US_POSIX me setLocale en_US_POSIX return me @end Bounty I'll award the bounty to the best legitimate suggestion critique I see by mid day Tuesday. See.. bounty to the best legitimate suggestion critique I see by mid day Tuesday. See below deadline extended. Update Re OMZ's proposal here is what I'm finding Here is the category version h file #import Foundation..
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 return value of the method it's calling is an object but does not retain release it. So you could end up creating a leak if your object is supposed to be released as in #3 above that is the method you're.. that if the method you're calling someMethod is returning a non object including void you could end up with a garbage pointer value being retained released and crash. Additional Arguments One consideration.. declaring consumed parameters and if the method consumes the parameter you'll probably eventually send a message to a zombie and crash. There are ways to work around this with bridged casting but really..
Applications are expected to have a root view controller at the end of application launch http://stackoverflow.com/questions/7520971/applications-are-expected-to-have-a-root-view-controller-at-the-end-of-applicati are expected to have a root view controller at the end of application launch I get the following error in my console Applications are expected to have a root.. the following error in my console Applications are expected to have a root view controller at the end of application launch Below is my application didFinishLaunchWithOptions method BOOL application UIApplication..
Unable to process application info.plist validation at this time due to a general error (1095) http://stackoverflow.com/questions/8353049/unable-to-process-application-info-plist-validation-at-this-time-due-to-a-genera and Apple's servers will catch up to the traffic or solve whatever issues they're having at their end. If you're anxious feel free to just sit there and restart Xcode until it works but it's not restarting..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud imageNamed is bad but equal numbers of people saying the performance is good especially when rendering UITableView s. See this SO question for example or this article on iPhoneDeveloperTips.com UIImage.. image that you need to redraw often then there are alternatives although the one I would recommend primarily is to avoid redrawing that large image . With respect to the general behavior of the cache.. that header omitted Before you waste time editing this please remember that a semi colon at the end of a method definition is valid and a matter of style. UIImage imageFromMainBundleFile NSString aFileName..
How can I animate the movement of a view or image along a curved path? http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path am developing a commerce application. When I add an item to the shopping cart I want to create an effect where an image of the item follows a curved path and ends up at the cart tab. How can I create an animation of an image along a curve like this iphone objective c ios cocoa touch core animation share improve this question.. kCAAnimationPaced pathAnimation.fillMode kCAFillModeForwards pathAnimation.removedOnCompletion NO Setting Endpoint of the animation CGPoint endPoint CGPointMake 480.0f 30.0f 40.0f to end animation in last tab use CGPoint endPoint CGPointMake 320 40.0f 480.0f CGMutablePathRef curvedPath CGPathCreateMutable.. kCAFillModeForwards pathAnimation.removedOnCompletion NO Setting Endpoint of the animation CGPoint endPoint CGPointMake 480.0f 30.0f 40.0f to end animation in last tab use CGPoint endPoint CGPointMake 320 40.0f 480.0f CGMutablePathRef curvedPath CGPathCreateMutable CGPathMoveToPoint curvedPath NULL viewOrigin.x..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos image 0.8 EXFJpeg jpegScanner EXFJpeg alloc init jpegScanner scanImageData jpegData EXFMetaData exifMetaData jpegScanner.exifMetaData end of helper methods adding GPS data to the Exif object NSMutableArray locArray self createLocArray imageLocation.coordinate.latitude EXFGPSLoc gpsLoc EXFGPSLoc alloc..
Use CoreData or SQLite on iPhone? [closed] http://stackoverflow.com/questions/1318467/use-coredata-or-sqlite-on-iphone
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone graph consisting of two entities linked by a to many relationship . I was curious as a relatively inexperienced iPhone developer whether anyone could recommend an approach and a suitable JSON implementation for the iPhone which would allow me to 1 convert the core data records into a JSON string whilst maintaining the.. self managedObjectFromStructure structureDictionary withManagedObjectContext moc return objectArray autorelease Now this is recursive so you can easily end up translating your entire persistent store if you are not careful. Watch your relationships and make sure that they only go down the object tree so that you only..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 it converts your library into a Framework . RECENT CHANGES Info on how to use this script with a project embedded in another project although I highly recommend NOT doing that ever Apple has a couple of show stopper bugs in Xcode if you embed projects inside each other from Xcode 3.x through to Xcode 4.6.x Bonus script.. with version SDK_VERSION although back targetting IPHONEOS_DEPLOYMENT_TARGET echo ...therefore OTHER_SDK_TO_BUILD OTHER_SDK_TO_BUILD # ##################### end of part 1 ################## ##################### part 2 ################## # # IF this is the original invocation invoke WHATEVER other builds are required #.. workaround dont' embed xcode projects too many bugs in Apple's code If you can't find the output file here's a workaround Add the following code to the very end of the script courtesy of Frederik Wallner open CREATING_UNIVERSAL_DIR Apple deletes all output after 200 lines. Select your Target and in the Run Script Phase..
Set the maximum character length of a UITextField http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield the range length. If this value is too long more than 25 characters in this example return NO to prohibit the change. When typing in a single character at the end of a text field the range.location will be the current field's length and range.length will be 0 because we're not replacing deleting anything. Inserting into the..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file NULL CFRelease picturePath provider CGDataProviderCreateWithURL pictureURL CFRelease pictureURL image CGImageCreateWithPNGDataProvider provider NULL true kCGRenderingIntentDefault CGDataProviderRelease provider CGContextDrawImage pdfContext CGRectMake 200 200 207 385 image CGImageRelease image End image code Adding some.. pdfContext 0 0 0 1 const char text Hello World CGContextShowTextAtPoint pdfContext 260 390 text strlen text End text We are done drawing to this page let's end it We could add as many pages as we wanted using CGContextBeginPage CGContextEndPage CGContextEndPage pdfContext We are done with our context now so we release.. see errors in the debug console that look like this Error can't get CIDs for glyphs for 'TimesNewRomanPSMT' The tricky aspect is that the resulting PDF will render fine in some PDF readers but fail to render in other places. So if you have control over the software that will be used to open your PDF you may be able to ignore..
Xcode 4: create IPA file instead of .xcarchive http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive the iOS App Store Package .ipa option may be disabled. This happens when your build produces more than a single target say an app and a library. All of them end up in the build products folder and Xcode gets naĆÆvely confused about how to package them both into an .ipa file so it merely disables the option. A way to solve..
http://stackoverflow.com/questions/554997/cancel-a-uiview-animation it possible to cancel a UIView animation while it is in progress Or would I have to drop to the CA level i.e. I've done something like this maybe setting an end animation action too UIView beginAnimations nil context NULL UIView setAnimationDuration duration UIView setAnimationCurve UIViewAnimationCurveLinear other animation.. UIViewAnimationCurveLinear other animation properties set view properties UIView commitAnimations But before the animation completes and I get the animation ended event I want to cancel it cut it short . Is this possible Googling around finds a few people asking the same question with no answers and one or two people speculating.. speculating that it can't be done. iphone cocoa touch core animation share improve this question The way I do it is to create a new animation to your end point. Set a very short duration and make sure you use the setAnimationBeginsFromCurrentState method to start from the current state. When you set it to YES the..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop processing core graphics share improve this question I needed the same thing in my case to pick the dimension that fits once scaled and then crop each end to fit the rest to the width. I'm working in landscape so might not have noticed any deficiencies in portrait mode. Here's my code it's part of a categeory on UIImage...
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 UNTIL ... someone with their phone set to a 24 hour region sets the 12 24 hour switch in settings to 12. Then the above starts tacking AM or PM onto the end of the resulting string. See eg NSDateFormatter am I doing something wrong or is this a bug And see https developer.apple.com library ios qa qa1480 _index.html.. nil NSDateFormatter me super init if en_US_POSIX nil en_US_POSIX NSLocale alloc initWithLocaleIdentifier @ en_US_POSIX me setLocale en_US_POSIX return me @end Bounty I'll award the bounty to the best legitimate suggestion critique I see by mid day Tuesday. See below deadline extended. Update Re OMZ's proposal here is.. setLocale en_US_POSIX return me @end Bounty I'll award the bounty to the best legitimate suggestion critique I see by mid day Tuesday. See below deadline extended. Update Re OMZ's proposal here is what I'm finding Here is the category version h file #import Foundation Foundation.h @interface NSDateFormatter Locale id initWithSafeLocale..
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 The call to methodForSelector assumes that the return value of the method it's calling is an object but does not retain release it. So you could end up creating a leak if your object is supposed to be released as in #3 above that is the method you're calling returns a new object . For selectors you're trying.. compiler's perspective it is an object after all. That means that if the method you're calling someMethod is returning a non object including void you could end up with a garbage pointer value being retained released and crash. Additional Arguments One consideration is that this is the same warning will occur with performSelector.. how that method consumes parameters. ARC allows for declaring consumed parameters and if the method consumes the parameter you'll probably eventually send a message to a zombie and crash. There are ways to work around this with bridged casting but really it'd be better to simply use the IMP and function pointer methodology..
Applications are expected to have a root view controller at the end of application launch http://stackoverflow.com/questions/7520971/applications-are-expected-to-have-a-root-view-controller-at-the-end-of-applicati are expected to have a root view controller at the end of application launch I get the following error in my console Applications are expected to have a root view controller at the end of application launch Below is.. root view controller at the end of application launch I get the following error in my console Applications are expected to have a root view controller at the end of application launch Below is my application didFinishLaunchWithOptions method BOOL application UIApplication application didFinishLaunchingWithOptions NSDictionary..
Unable to process application info.plist validation at this time due to a general error (1095) http://stackoverflow.com/questions/8353049/unable-to-process-application-info-plist-validation-at-this-time-due-to-a-genera server issue not an Xcode iOS OSX issue. Just wait patiently and Apple's servers will catch up to the traffic or solve whatever issues they're having at their end. If you're anxious feel free to just sit there and restart Xcode until it works but it's not restarting Xcode only the time you waste that's solving the issue...
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud the UIImage imageNamed FUD I see a lot of people saying imageNamed is bad but equal numbers of people saying the performance is good especially when rendering UITableView s. See this SO question for example or this article on iPhoneDeveloperTips.com UIImage 's imageNamed method used to leak so it was best avoided.. for longer than you need it. However if you do have a large image that you need to redraw often then there are alternatives although the one I would recommend primarily is to avoid redrawing that large image . With respect to the general behavior of the cache it does cache based on filename so two instances of imageNamed.. it simply does its job I added a category to UIImage to fix that header omitted Before you waste time editing this please remember that a semi colon at the end of a method definition is valid and a matter of style. UIImage imageFromMainBundleFile NSString aFileName NSString bundlePath NSBundle mainBundle bundlePath return..
How can I animate the movement of a view or image along a curved path? http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path I add an item to the shopping cart I want to create an effect where an image of the item follows a curved path and ends up at the cart tab. How can I create an animation of an image along a curve like this iphone objective c ios cocoa touch.. kCAFillModeForwards pathAnimation.removedOnCompletion NO Setting Endpoint of the animation CGPoint endPoint CGPointMake 480.0f 30.0f 40.0f to end animation in last tab use CGPoint endPoint CGPointMake 320 40.0f 480.0f CGMutablePathRef.. NO Setting Endpoint of the animation CGPoint endPoint CGPointMake 480.0f 30.0f 40.0f to end animation in last tab use CGPoint endPoint CGPointMake 320 40.0f 480.0f CGMutablePathRef curvedPath CGPathCreateMutable..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos jpegScanner EXFJpeg alloc init jpegScanner scanImageData jpegData EXFMetaData exifMetaData jpegScanner.exifMetaData end of helper methods adding GPS data to the Exif object NSMutableArray locArray self createLocArray imageLocation.coordinate.latitude..
Use CoreData or SQLite on iPhone? [closed] http://stackoverflow.com/questions/1318467/use-coredata-or-sqlite-on-iphone to minimize memory usage. The one downside as pointed out is that this limits you by requiring iPhone OS 3.0 for your end users. However this has not been a problem at all for my users and will only become less of one going forward. share improve..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone by a to many relationship . I was curious as a relatively inexperienced iPhone developer whether anyone could recommend an approach and a suitable JSON implementation for the iPhone which would allow me to 1 convert the core data records into.. withManagedObjectContext moc return objectArray autorelease Now this is recursive so you can easily end up translating your entire persistent store if you are not careful. Watch your relationships and make sure that they only..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 . RECENT CHANGES Info on how to use this script with a project embedded in another project although I highly recommend NOT doing that ever Apple has a couple of show stopper bugs in Xcode if you embed projects inside each other from Xcode.. targetting IPHONEOS_DEPLOYMENT_TARGET echo ...therefore OTHER_SDK_TO_BUILD OTHER_SDK_TO_BUILD # ##################### end of part 1 ################## ##################### part 2 ################## # # IF this is the original invocation invoke.. too many bugs in Apple's code If you can't find the output file here's a workaround Add the following code to the very end of the script courtesy of Frederik Wallner open CREATING_UNIVERSAL_DIR Apple deletes all output after 200 lines. Select..
Set the maximum character length of a UITextField http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield more than 25 characters in this example return NO to prohibit the change. When typing in a single character at the end of a text field the range.location will be the current field's length and range.length will be 0 because we're not replacing..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file pictureURL CFRelease pictureURL image CGImageCreateWithPNGDataProvider provider NULL true kCGRenderingIntentDefault CGDataProviderRelease provider CGContextDrawImage pdfContext CGRectMake 200 200 207 385 image CGImageRelease.. World CGContextShowTextAtPoint pdfContext 260 390 text strlen text End text We are done drawing to this page let's end it We could add as many pages as we wanted using CGContextBeginPage CGContextEndPage CGContextEndPage pdfContext We are.. like this Error can't get CIDs for glyphs for 'TimesNewRomanPSMT' The tricky aspect is that the resulting PDF will render fine in some PDF readers but fail to render in other places. So if you have control over the software that will be used..
Xcode 4: create IPA file instead of .xcarchive http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive may be disabled. This happens when your build produces more than a single target say an app and a library. All of them end up in the build products folder and Xcode gets naĆÆvely confused about how to package them both into an .ipa file so it merely..
http://stackoverflow.com/questions/554997/cancel-a-uiview-animation while it is in progress Or would I have to drop to the CA level i.e. I've done something like this maybe setting an end animation action too UIView beginAnimations nil context NULL UIView setAnimationDuration duration UIView setAnimationCurve.. properties set view properties UIView commitAnimations But before the animation completes and I get the animation ended event I want to cancel it cut it short . Is this possible Googling around finds a few people asking the same question.. iphone cocoa touch core animation share improve this question The way I do it is to create a new animation to your end point. Set a very short duration and make sure you use the setAnimationBeginsFromCurrentState method to start from the current..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop this question I needed the same thing in my case to pick the dimension that fits once scaled and then crop each end to fit the rest to the width. I'm working in landscape so might not have noticed any deficiencies in portrait mode. Here's..
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 set to a 24 hour region sets the 12 24 hour switch in settings to 12. Then the above starts tacking AM or PM onto the end of the resulting string. See eg NSDateFormatter am I doing something wrong or is this a bug And see https developer.apple.com.. en_US_POSIX nil en_US_POSIX NSLocale alloc initWithLocaleIdentifier @ en_US_POSIX me setLocale en_US_POSIX return me @end Bounty I'll award the bounty to the best legitimate suggestion critique I see by mid day Tuesday. See below deadline extended... I'll award the bounty to the best legitimate suggestion critique I see by mid day Tuesday. See below deadline extended. Update Re OMZ's proposal here is what I'm finding Here is the category version h file #import Foundation Foundation.h..
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 assumes that the return value of the method it's calling is an object but does not retain release it. So you could end up creating a leak if your object is supposed to be released as in #3 above that is the method you're calling returns a.. after all. That means that if the method you're calling someMethod is returning a non object including void you could end up with a garbage pointer value being retained released and crash. Additional Arguments One consideration is that this is.. ARC allows for declaring consumed parameters and if the method consumes the parameter you'll probably eventually send a message to a zombie and crash. There are ways to work around this with bridged casting but really it'd be better to simply..
Applications are expected to have a root view controller at the end of application launch http://stackoverflow.com/questions/7520971/applications-are-expected-to-have-a-root-view-controller-at-the-end-of-applicati are expected to have a root view controller at the end of application launch I get the following error in my console Applications are expected to have a root view controller.. launch I get the following error in my console Applications are expected to have a root view controller at the end of application launch Below is my application didFinishLaunchWithOptions method BOOL application UIApplication application..
Unable to process application info.plist validation at this time due to a general error (1095) http://stackoverflow.com/questions/8353049/unable-to-process-application-info-plist-validation-at-this-time-due-to-a-genera Just wait patiently and Apple's servers will catch up to the traffic or solve whatever issues they're having at their end. If you're anxious feel free to just sit there and restart Xcode until it works but it's not restarting Xcode only the time..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud a lot of people saying imageNamed is bad but equal numbers of people saying the performance is good especially when rendering UITableView s. See this SO question for example or this article on iPhoneDeveloperTips.com UIImage 's imageNamed method.. if you do have a large image that you need to redraw often then there are alternatives although the one I would recommend primarily is to avoid redrawing that large image . With respect to the general behavior of the cache it does cache based.. to UIImage to fix that header omitted Before you waste time editing this please remember that a semi colon at the end of a method definition is valid and a matter of style. UIImage imageFromMainBundleFile NSString aFileName NSString bundlePath..
Check if the time and date is between a particular date and time http://stackoverflow.com/questions/10671468/check-if-the-time-and-date-is-between-a-particular-date-and-time currentTime NSOrderedAscending NSLog @ Time Exceeded return We are between the two times NSTimeInterval minutesToEndTime endTime timeIntervalSinceDate currentTime 60 NSLog @ End time is in 02d 02d int minutesToEndTime 60 int minutesToEndTime..
How do I add a gradient to the text of a UILabel, but not the background? http://stackoverflow.com/questions/1266179/how-do-i-add-a-gradient-to-the-text-of-a-uilabel-but-not-the-background size_t num_locations 2 CGFloat locations 2 0.0 1.0 CGFloat components 8 1.0 1.0 1.0 1.0 Start color 1.0 1.0 1.0 0.1 End color rgbColorspace CGColorSpaceCreateDeviceRGB gradient CGGradientCreateWithColorComponents rgbColorspace components locations..
http://stackoverflow.com/questions/2335524/tesseract-example-for-iphone 0 NULL char text TessBaseAPI TesseractRect imagedata bytes_per_pixel bytes_per_line 0 0 width height TessBaseAPI End but when I try to compile for device only inserting include statement without the code above i get the following error syntax..
Resolving html entities with NSXMLParser on iPhone http://stackoverflow.com/questions/2370842/resolving-html-entities-with-nsxmlparser-on-iphone 03 20 12 53 59.879 xmlParsing 1012 207 parser foundCharacters After 2010 03 20 12 53 59.880 xmlParsing 1012 207 didEndElement author with content 2010 03 20 12 53 59.880 xmlParsing 1012 207 Parser Did End Document I found a link to a tutorial.. 53 59.880 xmlParsing 1012 207 didEndElement author with content 2010 03 20 12 53 59.880 xmlParsing 1012 207 Parser Did End Document I found a link to a tutorial on Using the SAX Interface of LibXML . The xmlSAXHandler that is used by NSXMLParser..
Low memory with 640Kb of live bytes? http://stackoverflow.com/questions/2865786/low-memory-with-640kb-of-live-bytes 101 lockdownd 80d2bd44c0bcca273d48ce52010f7e65 285 launchd a5988245aade809bf77576f1d9de42c5 71 End iphone memory share improve this question The ObjectAlloc instrument does not display the full memory usage of your..
http://stackoverflow.com/questions/2956967/drawing-path-by-bezier-curves in realtime current solution I use each 4 points to draw qubic Bezier curve 1 strart 2 and 3rd control points 4 end . End point of each curve is start point for the next one. problem at the curves connection I often have fracture angle Can you..
UILongPressGestureRecognizer gets called twice when pressing down http://stackoverflow.com/questions/3319591/uilongpressgesturerecognizer-gets-called-twice-when-pressing-down . The gesture recognizer transitions to the Change state whenever a finger moves and it ends UIGestureRecognizerStateEnded when any of the fingers are lifted. Now You Can Track The State Like This void handleLongPress UILongPressGestureRecognizer.. The State Like This void handleLongPress UILongPressGestureRecognizer sender if sender.state UIGestureRecognizerStateEnded NSLog @ UIGestureRecognizerStateEnded Do Whatever You want on End of Gesture else if sender.state UIGestureRecognizerStateBegan.. UILongPressGestureRecognizer sender if sender.state UIGestureRecognizerStateEnded NSLog @ UIGestureRecognizerStateEnded Do Whatever You want on End of Gesture else if sender.state UIGestureRecognizerStateBegan NSLog @ UIGestureRecognizerStateBegan...
MPMoviePlayerController re-orientation portrait to landscape and back to portrait (iOS 4.1) http://stackoverflow.com/questions/3960665/mpmovieplayercontroller-re-orientation-portrait-to-landscape-and-back-to-portrai
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file CGDataProviderRelease provider CGContextDrawImage pdfContext CGRectMake 200 200 207 385 image CGImageRelease image End image code Adding some text on top of the image we just added CGContextSelectFont pdfContext Helvetica 16 kCGEncodingMacRoman.. pdfContext 0 0 0 1 const char text Hello World CGContextShowTextAtPoint pdfContext 260 390 text strlen text End text We are done drawing to this page let's end it We could add as many pages as we wanted using CGContextBeginPage CGContextEndPage.. are done drawing to this page let's end it We could add as many pages as we wanted using CGContextBeginPage CGContextEndPage CGContextEndPage pdfContext We are done with our context now so we release it CGContextRelease pdfContext EDIT Here's..
http://stackoverflow.com/questions/5270241/complete-list-of-lifecycle-functions-of-viewcontroller-from-starting-to-end-of-t list of Lifecycle functions of ViewController from Starting To End of that Life without using the NIB and With using NIB I want complete list of lifecycle functions of view controller with.. view controller with correct sequence.Please any genius. Please specify with Exact sequence number and From start to End of ViewController's LifeCycle Functions . Please specify with sequence Number like with usage and with only short description...
Convert html file to PDF Document in iOS using Cocoa-Touch http://stackoverflow.com/questions/6316192/convert-html-file-to-pdf-document-in-ios-using-cocoa-touch CGDataProviderRelease provider CGContextDrawImage pdfContext CGRectMake 200 200 207 385 image CGImageRelease image End image code Adding some text on top of the image we just added CGContextSelectFont pdfContext Helvetica 16 kCGEncodingMacRoman.. pdfContext 0 0 0 1 const char text Hello World CGContextShowTextAtPoint pdfContext 260 390 text strlen text End text We are done drawing to this page let's end it We could add as many pages as we wanted using CGContextBeginPage CGContextEndPage.. are done drawing to this page let's end it We could add as many pages as we wanted using CGContextBeginPage CGContextEndPage CGContextEndPage pdfContext We are done with our context now so we release it CGContextRelease pdfContext IBAction createPDF..
Need any example of UILocalNotifications [closed] http://stackoverflow.com/questions/7429081/need-any-example-of-uilocalnotifications closed please Guys i need any tutorial example on UILocalnotifications to display alerts based on start date and End date . Hoping anyone can get me to correct direction thank you iphone ios ios4 uilocalnotification share improve this..
Why is XCode archive acting different than XCode build/run on iPhone http://stackoverflow.com/questions/8813711/why-is-xcode-archive-acting-different-than-xcode-build-run-on-iphone tran CGContextDrawImage UIGraphicsGetCurrentContext rect imag copy UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext return copy The animation is done by The first image should fall from top. CGRect rect boardView.frame rect.origin.. image rect boardView.frame rect.origin CGPointMake VIEW_IMAGE_X_POS myView.contentSize.height 108 boardView.frame rect End the animation UIView commitAnimations Everything else runs fine. Any thoughts iphone objective c ios xcode share improve..
Stretching an UIImage while preserving the corners http://stackoverflow.com/questions/8879817/stretching-an-uiimage-while-preserving-the-corners of the remaining 9px of your image this will also not be distorted. This is taken from the documentation leftCapWidth End caps specify the portion of an image that should not be resized when an image is stretched. This technique is used to implement..
How do I start playing audio when in silent mode & locked in iOS 6? http://stackoverflow.com/questions/9725192/how-do-i-start-playing-audio-when-in-silent-mode-locked-in-ios-6 do I start playing audio when in silent mode locked in iOS 6 End user process Open app Switch on 'Silent Mode'. Press 'Lock button' App can still START playing a sound after hours have..
Received memory warning on setimage http://stackoverflow.com/questions/12773074/received-memory-warning-on-setimage problem. button1AImgVw.image UIImage imageNamed @ mark yes.png this image is less than 100KB NSLog @ It went to END This is the error I get when 10 images are selected. App does launch and work 2012 10 07 17 12 51.483 ABC APP 7548 707.. error I get when 10 images are selected. App does launch and work 2012 10 07 17 12 51.483 ABC APP 7548 707 It went to END 2012 10 07 17 12 51.483 ABC APP 7531 707 Received memory warning. App crashes with this error when there are 11 images 2012.. warning. App crashes with this error when there are 11 images 2012 10 07 17 30 26.339 ABC APP 7548 707 It went to END gbc iphone ios xcode ipad ios5 share improve this question This situation memory warnings and application quitting..
Center content of UIScrollView when smaller http://stackoverflow.com/questions/1316451/center-content-of-uiscrollview-when-smaller view atScale float scale scrollView setZoomScale scale 0.01 animated NO scrollView setZoomScale scale animated NO END Bug workaround CGSize maxSize imageScrollView.frame.size CGSize viewSize view.frame.size float topInset maxSize.height viewSize.height..
Get notified when UITableView has finished asking for data? http://stackoverflow.com/questions/1483581/get-notified-when-uitableview-has-finished-asking-for-data UITableView's reloadData is the best approach void reloadData NSLog @ BEGIN reloadData super reloadData NSLog @ END reloadData reloadData doesn't end before the table has finish reload its data. So when the second NSLog is fired the table..
Core-Data iPhone: could not locate an NSManagedObjectModel http://stackoverflow.com/questions/1632497/core-data-iphone-could-not-locate-an-nsmanagedobjectmodel Update to handle the error appropriately. NSLog @ Unresolved error @ @ error error userInfo abort Fail NSLog @ END viewDidLoad RootViewController In the console I receive the following Terminating app due to uncaught exception 'NSInternalInconsistencyException'..
Xcode 5 without Storyboard and ARC http://stackoverflow.com/questions/17234172/xcode-5-without-storyboard-and-arc makeKeyAndVisible return YES STEPS FOR REMOVE ARC 1 In build setting set Automatic Reference Counting to NO . END If you have Already Created Application with storyboard and ARC then STEPS FOR REMOVE STORY BOARD 1 Remove..
How to add a contact to the iPhone's Address Book from a Web Page? http://stackoverflow.com/questions/1773876/how-to-add-a-contact-to-the-iphones-address-book-from-a-web-page when offline. Please google for more details about offline web apps if you want to know more. Embedded VCARD in VCALENDAR for iPhone download You may have read that it is not possible to download contact files VCARD format data as .vcf file.. thread Then I got thinking iPhone DOES support vcalendar files downloaded from a webpage as of IOS5. The VCALENDAR files usually have a .ics extension and are handled by mobile safari bringing up a window where the file can be opened.. support VCAL files but not VCARD files but that is just how it is. So what IF I could attach a VCARD file to a VCALENDAR file First obstacle is getting an attachment on a calendar event... Initially I tried adding an attachment to an Outlook..
iPhone: how to get safari to recognize a vcard? http://stackoverflow.com/questions/1892373/iphone-how-to-get-safari-to-recognize-a-vcard when offline. Please google for more details about offline web apps if you want to know more. Embedded VCARD in VCALENDAR for iPhone download You may have read that it is not possible to download contact files VCARD format data as .vcf file.. thread Then I got thinking iPhone DOES support vcalendar files downloaded from a webpage as of IOS5. The VCALENDAR files usually have a .ics extension and are handled by mobile safari bringing up a window where the file can be opened.. support VCAL files but not VCARD files but that is just how it is. So what IF I could attach a VCARD file to a VCALENDAR file First obstacle is getting an attachment on a calendar event... Initially I tried adding an attachment to an Outlook..
iPhone In App Purchase - response.products are still empty?! Please help http://stackoverflow.com/questions/2138972/iphone-in-app-purchase-response-products-are-still-empty-please-help NSSet setWithObject kMyFeatureIdentifier1 request.delegate self request start NSLog @ IN APP requestProductData END void productsRequest SKProductsRequest request didReceiveResponse SKProductsResponse response NSLog @ IN APP productsRequest.. response.products NSLog @ IN APP array count i myProduct count request autorelease NSLog @ IN APP productsRequest END void dealloc window release super dealloc @end Testing on the device I created a sandbox test account and logged out of.. the app and here is the log i'm getting IN APP can make payments IN APP requestProductData IN APP requestProductData END IN APP productsRequest IN APP array count 0 IN APP productsRequest END Can anyone please tell me if I have left any stages..
Generate vCard from AddressBook.framework http://stackoverflow.com/questions/2795615/generate-vcard-from-addressbook-framework mutableArray addObject NSString stringWithFormat @ URL http @ self.website mutableArray addObject @ END VCARD NSString string mutableArray componentsJoinedByString @ n mutableArray release return string Obviously I'm making..
How can I programmatically create an iCal event in the default calendar? http://stackoverflow.com/questions/3423486/how-can-i-programmatically-create-an-ical-event-in-the-default-calendar accordingly. Here is the code by @ codeburger void initCalendar An array of 1 dictionary object containing START and END values. NSMutableArray pvDict NSMutableArray alloc initWithContentsOfURL NSURL URLWithString PV_URL Check if the private..
How to display an image on a MKOverlayView? http://stackoverflow.com/questions/3891850/how-to-display-an-image-on-a-mkoverlayview the fly. I also want the tiling to be done by Mapkit and not by myself using gdal2tiles or the GDAL framework. UPDATE END I'm currently working on a project which displays a rainfall radar over some part of the world. The radar image is provided..
Problem with CGImageDestination and file naming http://stackoverflow.com/questions/7301718/problem-with-cgimagedestination-and-file-naming NSUserDomainMask YES lastObject error nil for int xx 0 xx contents count xx NSLog @ file @ contents objectAtIndex xx END TEST CODE captureArray removeAllObjects iphone cocoa touch cocoa ios4 core graphics share improve this question AFAIK..
http://stackoverflow.com/questions/8007112/mdm-push-certificate-creation AwwRU0FDSSBUZXN0IFJvb3QgQ0ExEjAQBgNVBAsMCUFwcGxlIElTVDETMBEGA1UE END CERTIFICATE BEGIN CERTIFICATE MIIDlTCCAn2gAwIBAgIIBInl9fQbaAkwDQYJKoZIhvcNAQEFBQAwXDEkMCIGA1UE AwwbU0FDSSBUZXN0IEludGVybWVkaWF0ZSBDQSAxMRIwEAYDVQQLDAlBcHBsZSBJ.. AwwbU0FDSSBUZXN0IEludGVybWVkaWF0ZSBDQSAxMRIwEAYDVQQLDAlBcHBsZSBJ END CERTIFICATE BEGIN CERTIFICATE MIIDpjCCAo6gAwIBAgIIKRyFYgyyFPgwDQYJKoZIhvcNAQEFBQAwXDEkMCIGA1UE AwwbU0FDSSBUZXN0IEludGVybWVkaWF0ZSBDQSAxMRIwEAYDVQQLDAlBcHBsZSBJ.. AwwbU0FDSSBUZXN0IEludGVybWVkaWF0ZSBDQSAxMRIwEAYDVQQLDAlBcHBsZSBJ END CERTIFICATE BEGIN CERTIFICATE MIIDiTCCAnGgAwIBAgIIdv cjbnBgEgwDQYJKoZIhvcNAQEFBQAwUjEaMBgGA1UE AwwRU0FDSSBUZXN0IFJvb3QgQ0ExEjAQBgNVBAsMCUFwcGxlIElTVDETMBEGA1UE..
How to build ICU so I can use it in an iPhone app? http://stackoverflow.com/questions/8126233/how-to-build-icu-so-i-can-use-it-in-an-iphone-app grep __sync_ nm no name list nm no name list So definitely the offending symbol is not present in the binaries. END EDIT. Cross compiling libicu for iOS requires two separate steps compiling libicu for your host MacOS in a build directory..
Copy Folder (w/contents) from bundle to Documents directory - iOS http://stackoverflow.com/questions/9830061/copy-folder-w-contents-from-bundle-to-documents-directory-ios it fileManager copyItemAtPath oldFilePath toPath newFilePath error error else NSLog @ File exists @ newFilePath END EDIT Frus stray shee on Anyway... The code below copies my folder from the app bundle to the Documents folder in the simulator..
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