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2014/10/15 ¤U¤È 10:03:36
iphone Programming Glossary: andHow to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk using an NSURL . The way I did it seems a bit unreliable because even Google could one day be down and relying on a 3rd party seems bad and while I could check to see for a response from some other websites.. a bit unreliable because even Google could one day be down and relying on a 3rd party seems bad and while I could check to see for a response from some other websites if Google didn't respond it does.. to see for a response from some other websites if Google didn't respond it does seem wasteful and an unnecessary overhead on my application. BOOL connectedToInternet NSString URLString NSString stringWithContentsOfURL..
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 or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136 pixels . What is required to develop new or transition already existing.. screen size What should we keep in mind to make applications universal for both the older displays and the new widescreen aspect ratio iphone ios screen resolution iphone 5 share improve this question.. aspect ratio iphone ios screen resolution iphone 5 share improve this question Download and install latest version of Xcode . Set a 4 inch launch image for your app. This is how you get 1136 px..
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have.. crash reports from iTunes Connect. I have the application binary that I submitted to the App Store and I have the dSYM file that was generated as part of the build. I have all of these files together inside.. by spotlight. What now I have tried invoking symbolicatecrash crashreport.crash myApp.app.dSYM and it just outputs the same text that is in the crash report to start with not symbolicated. Am I doing..
How do I do base64 encoding on iphone-sdk? http://stackoverflow.com/questions/392464/how-do-i-do-base64-encoding-on-iphone-sdk do I do base64 encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I do base64 encoding and decoding.. and decoding but I could not find any support from the iPhone SDK. How can I do base64 encoding and decoding with or without a library iphone objective c ios ipad base64 share improve this question..
How to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects MapViewWithTouches MKMapView void touchesBegan NSSet touches withEvent UIEvent event @end And the implementation #import MapViewWithTouches.h @implementation MapViewWithTouches void touchesBegan..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk NULL YES NO Is what I have done bad Not to mention stringWithContentsOfURL is deprecated in 3.0 And if so what is a better way to accomplish this iphone objective c ios cocoa touch reachability share..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size non retina problem won't work seamlessly between versions as it happened when we got the Retina . And will we have to design two storyboards just like for the iPad I personally don't think Apple will require.. 5 you need to add a retina version of the launcher image. It should be named Default 568h@2x.png . And it has to be retina quality there's no backward compatibility here You could also select this image..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices #define IS_WIDESCREEN fabs double UIScreen mainScreen bounds .size.height double 568 DBL_EPSILON And let's add model detection macros #define IS_IPHONE UIDevice currentDevice model isEqualToString @ iPhone..
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript the above... return NO return YES Return YES to make sure regular navigation works as expected. And in Javascript function store event document.location myapp myfunction param1 param2 But nothing happens...
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults void saveCustomObject Player obj Player loadCustomObjectWithKey NSString key @end And then the important parts of the implementation file #import MagicApp201AppDelegate.h #import MainViewController.h..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk no longer be enforcing your compliance to 3.0 only calls nor does it have a simulator for these. And if you want to support 4.0 features you'll have to do some conditional code to prevent crashes on 3.0..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework complex component 0 so A 0 .realp is used to store Bin 0 and A 0 .imagp is used to store Bin n 2 And the magnitude of each complex number is the amount of energy vibrating around that frequency. So as..
http://stackoverflow.com/questions/348040/iphone-and-opencv
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload default CGContextDrawImage ctx CGRectMake 0 0 self.size.width self.size.height self.CGImage break And now we just create a new UIImage from the drawing context CGImageRef cgimg CGBitmapContextCreateImage..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers This includes your application delegate Direct dependencies make your code less reusable And more difficult to debug test Ok. I'm down with that. Don't blindly toss all your methods that will.. . If you follow the dependency injection pattern your controller will be modular and reusable. And if you think about where the Stanford presenters are coming from i.e. as Apple employees their job is.. andCheckoutController myCheckout ... window addSubview bookPicker view window makeKeyAndVisible Finally not only is your BookPickerController reusable but also easier to test. void testBookPickerController..
iPhone/iOS JSON parsing tutorial [closed] http://stackoverflow.com/questions/5813077/iphone-ios-json-parsing-tutorial objective c ios json uitableview share improve this question You will love this framework . And you will love this tool . For learning about JSON you might like this resource . And you'll probably..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c would have to adopt this protocol @interface MyDelegate NSWindowNotifications ... @end And then implement the methods in the protocol. For methods declared in the protocol as @optional like most..
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 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 Apparently Apple has declared this to.. right after initializing it. @interface NSDateFormatter LocaleAdditions id initWithPOSIXLocaleAndFormat NSString formatString @end @implementation NSDateFormatter LocaleAdditions id initWithPOSIXLocaleAndFormat.. NSString formatString @end @implementation NSDateFormatter LocaleAdditions id initWithPOSIXLocaleAndFormat NSString formatString self super init if self NSLocale locale NSLocale alloc initWithLocaleIdentifier..
http://stackoverflow.com/questions/675433/custom-colors-in-uitabbar 1.0 green 0.0 blue 0.0 alpha 0.1 tabBar1 insertSubview v atIndex 0 v release @end And in your Nib file replace the class of your TabBar Controller with CustomUITabBarController. share improve..
How can I programmatically get the MAC address of an iphone http://stackoverflow.com/questions/677530/how-can-i-programmatically-get-the-mac-address-of-an-iphone while ago. Originally from here I modified it a bit and cleaned things up. IPAddress.h IPAddress.c And to use it InitAddresses GetIPAddresses GetHWAddresses int i NSString deviceIP nil for i 0 i MAXADDRS..
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 understand the compiler can't check if the selector exists or not but why would that cause a leak And how can I change my code so that I don't get this warning anymore iphone objective c ios automatic..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices currentDevice model isEqualToString @ iPod touch This way we can ensure we have an iPhone model AND a widescreen and we can redefine the IS_IPHONE_5 macro #define IS_IPHONE_5 IS_IPHONE IS_WIDESCREEN Also..
didFinishPickingMediaWithInfo return nil photo http://stackoverflow.com/questions/3088874/didfinishpickingmediawithinfo-return-nil-photo if you allowed editing myUIImageView.image info objectForKey UIImagePickerControllerEditedImage AND no good with the original image myUIImageView.image info objectForKey UIImagePickerControllerOriginalImage.. the original image myUIImageView.image info objectForKey UIImagePickerControllerOriginalImage AND no doing some other kind of assignment UIImage myImage info objectForKey UIImagePickerControllerEditedImage.. if you allowed editing myUIImageView.image info objectForKey UIImagePickerControllerEditedImage AND the original image works great myUIImageView.image info objectForKey UIImagePickerControllerOriginalImage..
http://stackoverflow.com/questions/402/iphone-app-in-landscape-mode Later if you try to remove happyThing.view and instead put in there newThing.view IT DOES NOT WORK AND THAT'S THAT. The machine will never rotate the view to landscape. There is no trick fix even Apple cannot..
dismissModalViewController AND pass data back http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back AND pass data back I have two view controllers firstViewController and secondViewController . I am using..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk the Cocoa Touch libraries. I came up with a way to do this using an NSURL . The way I did it seems a bit unreliable because even Google could one day be down and relying on a 3rd party seems bad and while I could check to see for a response from some other websites if Google didn't respond it does seem wasteful and an unnecessary.. with a way to do this using an NSURL . The way I did it seems a bit unreliable because even Google could one day be down and relying on a 3rd party seems bad and while I could check to see for a response from some other websites if Google didn't respond it does seem wasteful and an unnecessary overhead on my application... and relying on a 3rd party seems bad and while I could check to see for a response from some other websites if Google didn't respond it does seem wasteful and an unnecessary overhead on my application. BOOL connectedToInternet NSString URLString NSString stringWithContentsOfURL NSURL URLWithString @ http www.google.com..
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 to develop or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136 pixels . What is required to develop new or transition already existing applications to the new screen size What should we keep in mind.. new or transition already existing applications to the new screen size What should we keep in mind to make applications universal for both the older displays and the new widescreen aspect ratio iphone ios screen resolution iphone 5 share improve this question Download and install latest version of Xcode . Set a 4 inch.. universal for both the older displays and the new widescreen aspect ratio iphone ios screen resolution iphone 5 share improve this question Download and install latest version of Xcode . Set a 4 inch launch image for your app. This is how you get 1136 px screen height without it you will get 960 px with black margins..
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application binary that I submitted to the App Store and.. symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application binary that I submitted to the App Store and I have the dSYM file that was generated as part of the build. I have all of these files together inside a single directory that is indexed by spotlight. What now.. these files together inside a single directory that is indexed by spotlight. What now I have tried invoking symbolicatecrash crashreport.crash myApp.app.dSYM and it just outputs the same text that is in the crash report to start with not symbolicated. Am I doing something wrong Any help would be greatly appreciated thanks...
How do I do base64 encoding on iphone-sdk? http://stackoverflow.com/questions/392464/how-do-i-do-base64-encoding-on-iphone-sdk do I do base64 encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I do base64 encoding and decoding with or without a library iphone objective c ios ipad.. base64 encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I do base64 encoding and decoding with or without a library iphone objective c ios ipad base64 share improve this question There's a nice code sample at the bottom of this post. Very..
How to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects class #import UIKit UIKit.h #import MapKit MapKit.h @interface MapViewWithTouches MKMapView void touchesBegan NSSet touches withEvent UIEvent event @end And the implementation #import MapViewWithTouches.h @implementation MapViewWithTouches void touchesBegan NSSet touches withEvent UIEvent event NSLog @ hello super touchesBegan..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk NSURL URLWithString @ http www.google.com return URLString NULL YES NO Is what I have done bad Not to mention stringWithContentsOfURL is deprecated in 3.0 And if so what is a better way to accomplish this iphone objective c ios cocoa touch reachability share improve this question METHOD 1 Use a simple ARC and GCD..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size use coordinates and just doubled the pixels with the retina non retina problem won't work seamlessly between versions as it happened when we got the Retina . And will we have to design two storyboards just like for the iPad I personally don't think Apple will require you to check the screen size every time you have to draw.. show up black. Edit To enable your apps to work with iPhone 5 you need to add a retina version of the launcher image. It should be named Default 568h@2x.png . And it has to be retina quality there's no backward compatibility here You could also select this image from within Xcode. Go to the target and under the Summary section..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices set of macros. Let's rename the original macro IS_WIDESCREEN #define IS_WIDESCREEN fabs double UIScreen mainScreen bounds .size.height double 568 DBL_EPSILON And let's add model detection macros #define IS_IPHONE UIDevice currentDevice model isEqualToString @ iPhone #define IS_IPOD UIDevice currentDevice model isEqualToString..
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript 3 param2 Call your method in Objective C method using the above... return NO return YES Return YES to make sure regular navigation works as expected. And in Javascript function store event document.location myapp myfunction param1 param2 But nothing happens. iphone cocoa touch uiwebview share improve this question..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults window @property nonatomic retain MainViewController mainViewController void saveCustomObject Player obj Player loadCustomObjectWithKey NSString key @end And then the important parts of the implementation file #import MagicApp201AppDelegate.h #import MainViewController.h #import Player.h @implementation MagicApp201AppDelegate..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk some tricky terrain. Your usual Xcode 3.2.3 compiler will no longer be enforcing your compliance to 3.0 only calls nor does it have a simulator for these. And if you want to support 4.0 features you'll have to do some conditional code to prevent crashes on 3.0 devices. Fun. You can still download from Apple and install..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework It so happens that Bin 0 and Bin n 2 will always have complex component 0 so A 0 .realp is used to store Bin 0 and A 0 .imagp is used to store Bin n 2 And the magnitude of each complex number is the amount of energy vibrating around that frequency. So as you can see it wouldn't be a very great pitch detector as it..
http://stackoverflow.com/questions/348040/iphone-and-opencv
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload 0 0 self.size.height self.size.width self.CGImage break default CGContextDrawImage ctx CGRectMake 0 0 self.size.width self.size.height self.CGImage break And now we just create a new UIImage from the drawing context CGImageRef cgimg CGBitmapContextCreateImage ctx UIImage img UIImage imageWithCGImage cgimg CGContextRelease..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers Page 16 51 How Not To Share Data Global Variables or singletons This includes your application delegate Direct dependencies make your code less reusable And more difficult to debug test Ok. I'm down with that. Don't blindly toss all your methods that will be used for communicating between the viewcontroller into your.. the controller i.e. pass in the objects it needs via methods . If you follow the dependency injection pattern your controller will be modular and reusable. And if you think about where the Stanford presenters are coming from i.e. as Apple employees their job is to build classes that can easily be reused reusability and.. BookPickerViewController alloc initWithWarehouse initWithWarehouse andCheckoutController myCheckout ... window addSubview bookPicker view window makeKeyAndVisible Finally not only is your BookPickerController reusable but also easier to test. void testBookPickerController MockBookWarehouse myWarehouse MockBookWarehouse..
iPhone/iOS JSON parsing tutorial [closed] http://stackoverflow.com/questions/5813077/iphone-ios-json-parsing-tutorial
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c your delegate NSWindowNotifications in this case. Delegate implementors would have to adopt this protocol @interface MyDelegate NSWindowNotifications ... @end And then implement the methods in the protocol. For methods declared in the protocol as @optional like most delegate methods you still need to check with respondsToSelector..
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 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 Apparently Apple has declared this to be BAD Broken As Designed and they aren't going to fix it... also a format string so you'd have a ready to use formatter right after initializing it. @interface NSDateFormatter LocaleAdditions id initWithPOSIXLocaleAndFormat NSString formatString @end @implementation NSDateFormatter LocaleAdditions id initWithPOSIXLocaleAndFormat NSString formatString self super init if self NSLocale.. LocaleAdditions id initWithPOSIXLocaleAndFormat NSString formatString @end @implementation NSDateFormatter LocaleAdditions id initWithPOSIXLocaleAndFormat NSString formatString self super init if self NSLocale locale NSLocale alloc initWithLocaleIdentifier @ en_US_POSIX self setLocale locale locale release self..
http://stackoverflow.com/questions/675433/custom-colors-in-uitabbar
How can I programmatically get the MAC address of an iphone http://stackoverflow.com/questions/677530/how-can-i-programmatically-get-the-mac-address-of-an-iphone share improve this question Somthing I stumbled across a while ago. Originally from here I modified it a bit and cleaned things up. IPAddress.h IPAddress.c And to use it InitAddresses GetIPAddresses GetHWAddresses int i NSString deviceIP nil for i 0 i MAXADDRS i static unsigned long localHost 0x7F000001 127.0.0.1 unsigned..
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 @ someMethod Why do I get this warning I understand the compiler can't check if the selector exists or not but why would that cause a leak And how can I change my code so that I don't get this warning anymore iphone objective c ios automatic ref counting share improve this question Solution The compiler..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices model isEqualToString @ iPhone #define IS_IPOD UIDevice currentDevice model isEqualToString @ iPod touch This way we can ensure we have an iPhone model AND a widescreen and we can redefine the IS_IPHONE_5 macro #define IS_IPHONE_5 IS_IPHONE IS_WIDESCREEN Also note that as stated by @LearnCocos2D this macros won't work..
didFinishPickingMediaWithInfo return nil photo http://stackoverflow.com/questions/3088874/didfinishpickingmediawithinfo-return-nil-photo NSDictionary info No good with the edited image if you allowed editing myUIImageView.image info objectForKey UIImagePickerControllerEditedImage AND no good with the original image myUIImageView.image info objectForKey UIImagePickerControllerOriginalImage AND no doing some other kind of assignment UIImage myImage.. UIImagePickerControllerEditedImage AND no good with the original image myUIImageView.image info objectForKey UIImagePickerControllerOriginalImage AND no doing some other kind of assignment UIImage myImage info objectForKey UIImagePickerControllerEditedImage picker dismissModalViewControllerAnimated YES picker.. YES picker release Edited image works great if you allowed editing myUIImageView.image info objectForKey UIImagePickerControllerEditedImage AND the original image works great myUIImageView.image info objectForKey UIImagePickerControllerOriginalImage AND do whatever you want with it NSDictionary info is..
http://stackoverflow.com/questions/402/iphone-app-in-landscape-mode window makeKeyAndVisible You can do that only once . Later if you try to remove happyThing.view and instead put in there newThing.view IT DOES NOT WORK AND THAT'S THAT. The machine will never rotate the view to landscape. There is no trick fix even Apple cannot make it work. The workaround you must adopt is having..
dismissModalViewController AND pass data back http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back AND pass data back I have two view controllers firstViewController and secondViewController . I am using this code to switch to my secondViewController I am also passing..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk a way to do this using an NSURL . The way I did it seems a bit unreliable because even Google could one day be down and relying on a 3rd party seems bad and while I could check to see for a response from some other websites if Google didn't.. The way I did it seems a bit unreliable because even Google could one day be down and relying on a 3rd party seems bad and while I could check to see for a response from some other websites if Google didn't respond it does seem wasteful and an.. and while I could check to see for a response from some other websites if Google didn't respond it does seem wasteful and an unnecessary overhead on my application. BOOL connectedToInternet NSString URLString NSString stringWithContentsOfURL..
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 to develop or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136 pixels . What is required to develop new or transition already existing applications to the.. to the new screen size What should we keep in mind to make applications universal for both the older displays and the new widescreen aspect ratio iphone ios screen resolution iphone 5 share improve this question Download and install.. and the new widescreen aspect ratio iphone ios screen resolution iphone 5 share improve this question Download and install latest version of Xcode . Set a 4 inch launch image for your app. This is how you get 1136 px screen height without..
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application binary.. I retrieved the crash reports from iTunes Connect. I have the application binary that I submitted to the App Store and I have the dSYM file that was generated as part of the build. I have all of these files together inside a single directory.. that is indexed by spotlight. What now I have tried invoking symbolicatecrash crashreport.crash myApp.app.dSYM and it just outputs the same text that is in the crash report to start with not symbolicated. Am I doing something wrong Any..
How do I do base64 encoding on iphone-sdk? http://stackoverflow.com/questions/392464/how-do-i-do-base64-encoding-on-iphone-sdk do I do base64 encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I do base64 encoding and decoding with or without.. to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I do base64 encoding and decoding with or without a library iphone objective c ios ipad base64 share improve this question There's a nice code..
How to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects MapKit MapKit.h @interface MapViewWithTouches MKMapView void touchesBegan NSSet touches withEvent UIEvent event @end And the implementation #import MapViewWithTouches.h @implementation MapViewWithTouches void touchesBegan NSSet touches withEvent..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk return URLString NULL YES NO Is what I have done bad Not to mention stringWithContentsOfURL is deprecated in 3.0 And if so what is a better way to accomplish this iphone objective c ios cocoa touch reachability share improve this question..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size with the retina non retina problem won't work seamlessly between versions as it happened when we got the Retina . And will we have to design two storyboards just like for the iPad I personally don't think Apple will require you to check the.. to work with iPhone 5 you need to add a retina version of the launcher image. It should be named Default 568h@2x.png . And it has to be retina quality there's no backward compatibility here You could also select this image from within Xcode. Go..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices macro IS_WIDESCREEN #define IS_WIDESCREEN fabs double UIScreen mainScreen bounds .size.height double 568 DBL_EPSILON And let's add model detection macros #define IS_IPHONE UIDevice currentDevice model isEqualToString @ iPhone #define IS_IPOD..
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript C method using the above... return NO return YES Return YES to make sure regular navigation works as expected. And in Javascript function store event document.location myapp myfunction param1 param2 But nothing happens. iphone cocoa touch..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults mainViewController void saveCustomObject Player obj Player loadCustomObjectWithKey NSString key @end And then the important parts of the implementation file #import MagicApp201AppDelegate.h #import MainViewController.h #import..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk 3.2.3 compiler will no longer be enforcing your compliance to 3.0 only calls nor does it have a simulator for these. And if you want to support 4.0 features you'll have to do some conditional code to prevent crashes on 3.0 devices. Fun. You..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework n 2 will always have complex component 0 so A 0 .realp is used to store Bin 0 and A 0 .imagp is used to store Bin n 2 And the magnitude of each complex number is the amount of energy vibrating around that frequency. So as you can see it wouldn't..
http://stackoverflow.com/questions/348040/iphone-and-opencv
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload self.CGImage break default CGContextDrawImage ctx CGRectMake 0 0 self.size.width self.size.height self.CGImage break And now we just create a new UIImage from the drawing context CGImageRef cgimg CGBitmapContextCreateImage ctx UIImage img UIImage..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers Variables or singletons This includes your application delegate Direct dependencies make your code less reusable And more difficult to debug test Ok. I'm down with that. Don't blindly toss all your methods that will be used for communicating.. it needs via methods . If you follow the dependency injection pattern your controller will be modular and reusable. And if you think about where the Stanford presenters are coming from i.e. as Apple employees their job is to build classes that.. initWithWarehouse andCheckoutController myCheckout ... window addSubview bookPicker view window makeKeyAndVisible Finally not only is your BookPickerController reusable but also easier to test. void testBookPickerController MockBookWarehouse..
iPhone/iOS JSON parsing tutorial [closed] http://stackoverflow.com/questions/5813077/iphone-ios-json-parsing-tutorial be useful iphone objective c ios json uitableview share improve this question You will love this framework . And you will love this tool . For learning about JSON you might like this resource . And you'll probably love this tutorial..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c case. Delegate implementors would have to adopt this protocol @interface MyDelegate NSWindowNotifications ... @end And then implement the methods in the protocol. For methods declared in the protocol as @optional like most delegate methods..
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 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 Apparently Apple has declared this to be BAD Broken As Designed.. a ready to use formatter right after initializing it. @interface NSDateFormatter LocaleAdditions id initWithPOSIXLocaleAndFormat NSString formatString @end @implementation NSDateFormatter LocaleAdditions id initWithPOSIXLocaleAndFormat NSString.. NSString formatString @end @implementation NSDateFormatter LocaleAdditions id initWithPOSIXLocaleAndFormat NSString formatString self super init if self NSLocale locale NSLocale alloc initWithLocaleIdentifier @ en_US_POSIX..
http://stackoverflow.com/questions/675433/custom-colors-in-uitabbar
How can I programmatically get the MAC address of an iphone http://stackoverflow.com/questions/677530/how-can-i-programmatically-get-the-mac-address-of-an-iphone I stumbled across a while ago. Originally from here I modified it a bit and cleaned things up. IPAddress.h IPAddress.c And to use it InitAddresses GetIPAddresses GetHWAddresses int i NSString deviceIP nil for i 0 i MAXADDRS i static unsigned long..
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 I get this warning I understand the compiler can't check if the selector exists or not but why would that cause a leak And how can I change my code so that I don't get this warning anymore iphone objective c ios automatic ref counting share..
How to post more parameters with image upload code in iOS? http://stackoverflow.com/questions/10618056/how-to-post-more-parameters-with-image-upload-code-in-ios EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM DAMAGES OR OTHER LIABILITY WHETHER.. EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM DAMAGES OR OTHER LIABILITY WHETHER..
Optimizing CLLocationManager/CoreLocation to retrieve data points faster on the iPhone http://stackoverflow.com/questions/1081219/optimizing-cllocationmanager-corelocation-to-retrieve-data-points-faster-on-the your accuracy thus it gets expensive quickly. This is what you need to do Take a new value only if it is recent AND If the new location has slightly better accuracy take the new location OR If the new location has an accuracy 50 meters.. If the new location has an accuracy 50 meters take the new location OR If the number of attempts has exceeded 3 or 5 AND the accuracy 150 meters AND the location has CHANGED then this is a new location and the device moved so take this value.. accuracy 50 meters take the new location OR If the number of attempts has exceeded 3 or 5 AND the accuracy 150 meters AND the location has CHANGED then this is a new location and the device moved so take this value even if it's accuracy is worse...
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices IS_IPOD UIDevice currentDevice model isEqualToString @ iPod touch This way we can ensure we have an iPhone model AND a widescreen and we can redefine the IS_IPHONE_5 macro #define IS_IPHONE_5 IS_IPHONE IS_WIDESCREEN Also note that as stated..
didFinishPickingMediaWithInfo return nil photo http://stackoverflow.com/questions/3088874/didfinishpickingmediawithinfo-return-nil-photo with the edited image if you allowed editing myUIImageView.image info objectForKey UIImagePickerControllerEditedImage AND no good with the original image myUIImageView.image info objectForKey UIImagePickerControllerOriginalImage AND no doing.. AND no good with the original image myUIImageView.image info objectForKey UIImagePickerControllerOriginalImage AND no doing some other kind of assignment UIImage myImage info objectForKey UIImagePickerControllerEditedImage picker dismissModalViewControllerAnimated.. image works great if you allowed editing myUIImageView.image info objectForKey UIImagePickerControllerEditedImage AND the original image works great myUIImageView.image info objectForKey UIImagePickerControllerOriginalImage AND do whatever..
http://stackoverflow.com/questions/402/iphone-app-in-landscape-mode do that only once . Later if you try to remove happyThing.view and instead put in there newThing.view IT DOES NOT WORK AND THAT'S THAT. The machine will never rotate the view to landscape. There is no trick fix even Apple cannot make it work...
UIView and initWithFrame and a NIB file. How can i get the NIB file loaded? http://stackoverflow.com/questions/5056219/uiview-and-initwithframe-and-a-nib-file-how-can-i-get-the-nib-file-loaded self.view baseView but the problem is that the NIB file does not get loaded. How do i make sure the customized stuff AND the NIB file get´s loaded run donnib iphone objective c objective c 2.0 share improve this question You have many options..
Creating a JSON Store For iPhone http://stackoverflow.com/questions/5237943/creating-a-json-store-for-iphone tell from the description whether you are in case 2 or case 4 . It depends on the internal complexity of the data AND the complexity of the UI. You say I don't think I want to create a Core Data model with 100's of entities and then use a..
dismissModalViewController AND pass data back http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back AND pass data back I have two view controllers firstViewController and secondViewController . I am using this code to switch..
Coredata Error “data: <fault>” http://stackoverflow.com/questions/7304257/coredata-error-data-fault @ Cave inManagedObjectContext self.context request.predicate NSPredicate predicateWithFormat @ latitude 0 AND longitude 0 NSError error NSLog @ @ self.context executeFetchRequest request error error NSLog @ @ error localizedDescription..
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