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2014/10/15 ¤U¤È 10:12:20
iphone Programming Glossary: okayiOS Image Orientation has Strange Behavior http://stackoverflow.com/questions/10600613/ios-image-orientation-has-strange-behavior side up unless I perform my code mentioned above when I save the photo it gets saved rotated. Now my workaround was okay up until a few days ago. My application modifies individual pixels of an image specifically the alpha channel of a PNG so..
How to present a splash/login view controller using storyboards http://stackoverflow.com/questions/11697747/how-to-present-a-splash-login-view-controller-using-storyboards to see the mainVC's view That's mostly the answer but there is one hitch. Unfortunately the main vc gets loaded that's okay and gets a viewWillAppear message not okay before the AppStartupViewController is presented. It means we have to spread.. answer but there is one hitch. Unfortunately the main vc gets loaded that's okay and gets a viewWillAppear message not okay before the AppStartupViewController is presented. It means we have to spread a little extra startup logic like this in MainViewController.m..
Send iPhone HTTP request to Apache PHP webserver http://stackoverflow.com/questions/1181751/send-iphone-http-request-to-apache-php-webserver know how to do this. Thanks for your help. P.S. If you don't know the Cocoa code in order to send the request that's okay I'm sure I can figure that out but I would like to at least know how to get the Linux server to save the HTTP request preferrably..
Description of initWithNibName, awakeFromNib and viewDidLoad? http://stackoverflow.com/questions/1240010/description-of-initwithnibname-awakefromnib-and-viewdidload variables that you've set up there will be gone when the view is loaded from the nib deserialized . This is generally okay since you usually want to set up your view with information specific to your applications current running context rather..
Common multithreading mistakes beginners make on iPhone http://stackoverflow.com/questions/1357108/common-multithreading-mistakes-beginners-make-on-iphone release editPhotoData4 release break This is the edited photo that has been onscreen. Processing is now done so it is okay to release it. The UI should be updated and now have a blank black background instead of the image. editedPhoto.image nil..
Convert to Float and Calculate http://stackoverflow.com/questions/14155360/convert-to-float-and-calculate formatString NSString formula Let's check if there any wrong . value exm 1 .2 or .7 3 1 0.2 and 0.7 3 are okay but above are incorrect so first fix them NSString str formula NSInteger c 0 for int i 0 i str length i if NSString stringWithFormat..
XCode 5 Crashes on AppStore Validation http://stackoverflow.com/questions/18913964/xcode-5-crashes-on-appstore-validation as loaded in step 10 . Set the Code Signing Identity for Release to the certificate from step 7 or automatic should be okay Product menu Archive At this point I was able to validate and submit to app store. Hope it works for you too. share improve..
where to start with audio synthesis on iPhone http://stackoverflow.com/questions/2067267/where-to-start-with-audio-synthesis-on-iphone also investigating this. I think the AudioQueue API is probably the way to go. Here's as far as I got seems to work okay. File BleepMachine.h BleepMachine.h WgHeroPrototype Created by Andy Buchanan on 05 01 2010. Copyright 2010 Andy Buchanan...
http://stackoverflow.com/questions/2393868/how-do-i-get-the-navigation-bar-in-a-uinavigationcontroller-to-update-its-positi frame.origin.y 20.0 self.navigationController.navigationBar.frame frame Things will also be okay if you are willing to turn off the navigation bar as well although I suspect that is not what you wanted UIApplication sharedApplication..
Suppressing line specific XCode compiler warnings http://stackoverflow.com/questions/2853184/suppressing-line-specific-xcode-compiler-warnings specific warnings by file . There have been a few other circumstances where I wanted to flag a specific line as okay even though the compiler generates a warning. I essentially want to let my team know that the problem has been handled and..
http://stackoverflow.com/questions/3361464/can-not-see-iad-in-program is currently very low. Also note that they are only live in the US. If it works correctly in test then it's probably okay. I believe the analytics available in iTunes Connect shows the number of requests as well as the number of fills and clicks...
How should I store UIImages within my Core Data database? http://stackoverflow.com/questions/3908910/how-should-i-store-uiimages-within-my-core-data-database to do this easily or if there isn't what's the best way to achieve this with the least amount of effort. Also is it okay to store images in a Core Data database or should we only only save the addresses of images on the local file system iphone..
How do I register a custom filetype in iOS http://stackoverflow.com/questions/4186401/how-do-i-register-a-custom-filetype-in-ios UTExportedTypeDeclarations iphone email import backup cfbundleidentifier share improve this question I hope it's okay if I dump in that part of my projects info.plist without much further explanation. I think it's pretty much self explanatory...
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events void applicationDidEnterBackground UIApplication application This is where you can do your X Minutes if 10Minutes is okay. BOOL backgroundAccepted UIApplication sharedApplication setKeepAliveTimeout 600 handler ^ self backgroundHandler if backgroundAccepted..
Whats a simple way to get a text input popup dialog box on an iPhone http://stackoverflow.com/questions/6319417/whats-a-simple-way-to-get-a-text-input-popup-dialog-box-on-an-iphone tag to check if the delegate function was called by the appropriate UIAlertView but for this example this should be okay. You should check out the UIAlertView API and you'll see there are some more styles defined. Hope this helped EDIT I was..
how to cache a whole web page with images in iOS http://stackoverflow.com/questions/6696151/how-to-cache-a-whole-web-page-with-images-in-ios ASIHTTPRequest project has a class called ASIWebPageRequest which is designed to do exactly what you want. If you're okay with adding an additional dependency to your project then I think it's a good solution for you ASIWebPageRequest . On the..
http://stackoverflow.com/questions/762498/iphone-and-gpl it legal to publish iPhone applications under the GPL v3 Obviously you can't use other people's GPL source but is it okay if I hold the copyright to the entire source If GPL is not okay is MIT BSD etc. okay iphone licensing gpl share improve.. you can't use other people's GPL source but is it okay if I hold the copyright to the entire source If GPL is not okay is MIT BSD etc. okay iphone licensing gpl share improve this question Short answer from my understanding yes and no.. people's GPL source but is it okay if I hold the copyright to the entire source If GPL is not okay is MIT BSD etc. okay iphone licensing gpl share improve this question Short answer from my understanding yes and no In a bit more detail..
NSDateFormatter, am I doing something wrong or is this a bug? http://stackoverflow.com/questions/143075/nsdateformatter-am-i-doing-something-wrong-or-is-this-a-bug pm setting on then off. I didn't have the problem either until I did that. I am printing it out the same way you are. Okay I see it when I do this also. It's gotta be a bug. I recommend you file a bug report and just check for and filter out the..
iPhone: Minimum OS, Deployment Target & Base/Active SDK http://stackoverflow.com/questions/1920542/iphone-minimum-os-deployment-target-base-active-sdk 3.1 3.12 devices but it's what I read Any help advice be greatly appreciated iphone share improve this question Okay I've managed to figure it out after much reading Basically the Active SDK is just a build time override of the Base SDK...
iPhone Development: Grabbing selected/highlighted text on UIWebView http://stackoverflow.com/questions/1968872/iphone-development-grabbing-selected-highlighted-text-on-uiwebview
Getting the bounds of an MKMapvIew http://stackoverflow.com/questions/2081753/getting-the-bounds-of-an-mkmapview is based on the parent view coordinates. iphone cocoa touch mapkit mkmapview bounds share improve this question Okay I officially answered my own question but since I didn't find it anywhere before I'll post the answer here To calculate..
UITableView flexible/dynamic heightForRowAtIndexPath http://stackoverflow.com/questions/2213024/uitableview-flexible-dynamic-heightforrowatindexpath So calling the cellForRowAtIndexPath delegate directly will not lose performance because it needs to be drawn twice. Okay so by calling the cellForRowAtIndexPath delegate method within the heightForRowAtIndexPath delegate method we receive all..
http://stackoverflow.com/questions/2521275/what-is-nsparameterassert Make sure that someObjectThatMustNotBeNil is really not nil NSParameterAssert someObjectThatMustNotBeNil Okay now do things Pre conditions are a simple way to ensure that methods API are being called correctly by the programmer. The..
iPhone SDK: check if a UIAlertView is showing http://stackoverflow.com/questions/2528929/iphone-sdk-check-if-a-uialertview-is-showing theAlert UIAlertView alloc initWithTitle title message details delegate self cancelButtonTitle nil otherButtonTitles @ Okay nil self.alertShowing YES theAlert show ... Then in your delegate method for the alert manage setting your flag ivar to..
Transitioning to landscape rotation within a uinavigationcontroller http://stackoverflow.com/questions/2922919/transitioning-to-landscape-rotation-within-a-uinavigationcontroller So the solution is don't push your landscape view into the navigation controller present it as a modal view. Okay but perhaps you want to fool the user into believing that we are still in the navigation interface Then give the modal view..
Subclassing NSOperation to be concurrent and cancellable http://stackoverflow.com/questions/3859631/subclassing-nsoperation-to-be-concurrent-and-cancellable . Thanks a lot Thierry iphone nsoperation nsoperationqueue performselector share improve this question Okay so as I understand it you have two questions Do you need the performSelectorOnMainThread segment that appears in comments..
How to get the status of bluetooth (ON/OFF) in iphone programatically http://stackoverflow.com/questions/4955007/how-to-get-the-status-of-bluetooth-on-off-in-iphone-programatically
Actual frequency of device motion updates lower than expected, but scales up with setting http://stackoverflow.com/questions/5034411/actual-frequency-of-device-motion-updates-lower-than-expected-but-scales-up-wit misunderstanding the Core Motion framework. iphone cocoa touch intervals core motion share improve this question Okay here's a possible solution Number of concurrent operations on NSOperationQueue are determined by the OS. That means it sometimes..
Show UITabBar when UIViewController pushed http://stackoverflow.com/questions/5072382/show-uitabbar-when-uiviewcontroller-pushed been hidden Thanks in advance iphone uinavigationcontroller uitabbar show drilldown share improve this question Okay here have we an awfully long way to go. As you read from the document the default behavior is clear once a view controller's.. the original implementation of the message which is now connected to the message defaultActionsForLayer forKey . Okay there we are. Remember when popping back the views you may have to set the hides... property back to YES because you set..
How to create singleton class in objective C http://stackoverflow.com/questions/5381085/how-to-create-singleton-class-in-objective-c C How can I create a singleton class in Objective C iphone objective c singleton share improve this question Okay appDev you will probably find quite a few different techniques to do this on the web. However for iOS app development I..
Does the Facebook iOS SDK require the user to authenticate every time they use the app? http://stackoverflow.com/questions/5571648/does-the-facebook-ios-sdk-require-the-user-to-authenticate-every-time-they-use-t granted permission to my app they get a message saying that the app is already authorized and they have to press Okay to go back to my app. It doesn't look very professional. So I have two questions 1 Does the user always have to reauthorize.. time is there a way to check if my app already has permission so the user doesn't have to see that message and press Okay iphone facebook ios facebook iphone sdk share improve this question It's unfortunate that the Facebook SDK doesn't..
facebook-ios-sdk logout question http://stackoverflow.com/questions/6226950/facebook-ios-sdk-logout-question Safari as usual however I'm getting a screen saying that I'm already logged in You have already authorized ... . Press Okay to continue. Logged in as ... Not You . It's a strange behavior for the user that has just logged out in my App. My question..
UIScrollView : paging horizontally, scrolling vertically? http://stackoverflow.com/questions/728014/uiscrollview-paging-horizontally-scrolling-vertically UIScrollView ensures you are getting the native look and feel no matter how it evolves in future iPhone OS versions. Okay this little essay got a little bit too long. I'm just still into UIScrollView games after the work on ScrollingMadness several..
XML Parsing in Cocoa Touch/iPhone http://stackoverflow.com/questions/773651/xml-parsing-in-cocoa-touch-iphone Parsing in Cocoa Touch iPhone Okay i have seen TouchXML parseXML NSXMLDocument NSXMLParser but i am really confused with what to to do. I have an iphone app..
How can I solve this Problem with bidirectional dependencies in Objective-C classes? http://stackoverflow.com/questions/834955/how-can-i-solve-this-problem-with-bidirectional-dependencies-in-objective-c-clas can I solve this Problem with bidirectional dependencies in Objective C classes Okay this might be a very silly beginner question but I've got an ClassA which will create an child object from ClassB and assign..
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