¡@
2014/10/15 ¤U¤È 10:13:56
iphone Programming Glossary: setHow 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 patiently wait for the notification 8 Set up the method for when the notification gets sent and set whatever checks or call whatever methods you may have set up in my case I just set a BOOL void checkNetworkStatus.. for when the notification gets sent and set whatever checks or call whatever methods you may have set up in my case I just set a BOOL void checkNetworkStatus NSNotification notice called after network status.. gets sent and set whatever checks or call whatever methods you may have set up in my case I just set a BOOL void checkNetworkStatus NSNotification notice called after network status changes NetworkStatus..
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps? http://stackoverflow.com/questions/1108693/is-it-possible-to-register-a-httpdomain-based-url-scheme-for-iphone-apps-like agent is that of an iPhone iPod Touch Check for an appInstalled cookie If the cookie exists and is set to true set window.location to your uri or do the redirect server side If the cookie doesn't exist open.. of an iPhone iPod Touch Check for an appInstalled cookie If the cookie exists and is set to true set window.location to your uri or do the redirect server side If the cookie doesn't exist open a Did you.. a Yep I've already got it Nope but I'd love to try it and Leave me alone button. The Yep button sets the cookie to true and redirects to your uri The Nope button redirects to http itunes.com apps yourappname..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present I now know that you want a UIView inside of a UIScrollView and the trick is to programatically set the content size of the UIScrollView to the frame size of the UIView . Then what needs to be implemented.. to be implemented in order to automatically scroll to the active text field Ideally as much of the setup of the components as possible will be done in Interface Builder. I'd like to only write code for what.. void keyboardWillShow Animate the current view out of the way if self.view.frame.origin.y 0 self setViewMovedUp YES else if self.view.frame.origin.y 0 self setViewMovedUp NO void keyboardWillHide if self.view.frame.origin.y..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution . Test your app and hopefully do nothing else since everything should work magically if you had set auto resizing masks properly. If you didn't adjust your view layouts with proper auto resizing masks..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices iPhone 5. Next versions of the iPod touch will maybe also have such a screen so we may use another set of macros. Let's rename the original macro IS_WIDESCREEN #define IS_WIDESCREEN fabs double UIScreen..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone of the base type in IB or using it when allocating a view . In the view controller you want to set this view to become first responder void viewWillAppear BOOL animated shakeView becomeFirstResponder..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language and variants thereof access the AppleLanguages key in NSUserDefaults to determine what the user's settings for preferred languages are. This returns an array of language codes with the first one being the.. preferred languages are. This returns an array of language codes with the first one being the one set by the user for their phone and the subsequent ones used as fallbacks if a resource is not available.. multiple languages with a custom ordering in System Preferences You can override the global setting for your own application if you wish by using the setObject forKey method to set your own language..
Programmatically get own phone number in iOS http://stackoverflow.com/questions/193182/programmatically-get-own-phone-number-in-ios restriction is part of the security feature known as the application's sandbox. The sandbox is a set of fine grained controls limiting an application's access to files preferences network resources hardware..
The simplest way to resize an UIImage? http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage to resize an UIImage iphone resize uiimage share improve this question The simplest way is to set the frame of your UIImageView and set the contentMode to one of the resizing options. Or you can use.. share improve this question The simplest way is to set the frame of your UIImageView and set the contentMode to one of the resizing options. Or you can use this utility method if you actually need..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application allows apps to associate with file types. There is a lot of talk in the documentation about how to set up your app to launch other appropriate apps when it encounters an unknown file type. This means the.. string key LSHandlerRank key string Owner string key LSItemContentTypes key array string com.sunsetlakesoftware.molecules.pdb string string org.gnu.gnu zip archive string array dict array Two images are.. key string Molecules Structure File string key UTTypeIdentifier key string com.sunsetlakesoftware.molecules.pdb string key UTTypeTagSpecification key dict key public.filename extension key..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview math has never been my thing so I can't explain exactly why this works but it does. You'll need to set this value to a negative fraction for your initial transform then apply your layer rotation transforms..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c @end @implementation Foo @synthesize bar void baz NSNumber numberOne NSNumber numberWithInt 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne.. numberWithInt 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne self.bar numberOne Both get the value of bar through your synthesized.. 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne self.bar numberOne Both get the value of bar through your synthesized or your custom accessor..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c of MyClass and assign it as the window's delegate MyClass myDelegate MyClass alloc init window setDelegate myDelegate On the NSWindow side it probably has code similar to this to see if the delegate.. to a selector every time we want to message it you can cache that information when delegates are set. One very clean way to do this is to use a bitfield as follows @protocol SomethingDelegate NSObject.. 1 unsigned int didFailWithError 1 delegateRespondsTo @synthesize delegate void setDelegate id JSSomethingDelegate aDelegate if delegate aDelegate delegate aDelegate delegateRespondsTo.didFinishLoadingItem..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert NSURLErrorDomain Code 1202 UserInfo 0xd29930 untrusted server certificate . Is there a way to set it to accept connections anyway just like in a browser you can press accept or a way to bypass it iphone..
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 @ www.apple.com hostReachable startNotifier now patiently wait for the notification 8 Set up the method for when the notification gets sent and set whatever checks or call whatever methods you..
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 imageViewForAnimation.layer.position viewOrigin self.view addSubview imageViewForAnimation Set up fade out effect CABasicAnimation fadeOutAnimation CABasicAnimation animationWithKeyPath @ opacity.. 0.3 fadeOutAnimation.fillMode kCAFillModeForwards fadeOutAnimation.removedOnCompletion NO Set up scaling CABasicAnimation resizeAnimation CABasicAnimation animationWithKeyPath @ bounds.size resizeAnimation.. resizeAnimation.fillMode kCAFillModeForwards resizeAnimation.removedOnCompletion NO Set up path movement CAKeyframeAnimation pathAnimation CAKeyframeAnimation animationWithKeyPath @ position..
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 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..
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 bar and or tab bar could simply expand the content in the middle to use up that extra points. Set the autoresizing mask of the center content to expand in both directions. view.autoresizingMask UIViewAutoresizingFlexibleWidth..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library in iPhone Development FAQ How do I link all the Objective C classes in a static library Set the Other Linker Flags build setting to ObjC. and flags descriptions all_load Loads all members of static..
How To Make iPhone App compatible with multiple SDK (firmware) versions http://stackoverflow.com/questions/3027120/how-to-make-iphone-app-compatible-with-multiple-sdk-firmware-versions with the latest SDK ie 5.1 and still run on devices with earlier versions of the firmware SDK . Set your Deployment Target to the earliest version you want to be able to run with ie 3.0. You set your..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel alloc initWithString text attributes attrs attributedText setAttributes subAttrs range range Set it in our UILabel and we are done _label setAttributedText attributedText else iOS5 and below Here we.. addAttributes subAttributes range NSMakeRange prefix.length 12 12 is the length of MM dd yyyy Set the attributes string in the text layer _textLayer.string attrStr attrStr release _textLayer.opacity..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store Continue until complete. You should see This root certificate is not trusted . This is expected. Set the iPhone SDK to allow the self signed certificate to be used sudo usr bin sed i .bak 's XCiPhoneOSCodeSignContext.. your application on the phone as a system app bypassing Apple's installation system Project Set Active SDK Device and Set Active Build Configuration Release. Compile your project normally using Build.. the phone as a system app bypassing Apple's installation system Project Set Active SDK Device and Set Active Build Configuration Release. Compile your project normally using Build not Build Go . In the..
How do you beta test an iphone app? http://stackoverflow.com/questions/40154/how-do-you-beta-test-an-iphone-app to the tab Build . Select the Configuration named Distribution . Find the section Code Signing . Set the value of Code Signing Identity Any iPhone OS Device to iPhone Distribution . Close the Target Info..
Set the maximum character length of a UITextField http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield the maximum character length of a UITextField How can I set the maximum amount of characters in a UITextField..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll switch type case NSFetchedResultsChangeInsert tableView insertSections NSIndexSet indexSetWithIndex sectionIndex withRowAnimation UITableViewRowAnimationFade break case NSFetchedResultsChangeDelete.. switch type case NSFetchedResultsChangeInsert tableView insertSections NSIndexSet indexSetWithIndex sectionIndex withRowAnimation UITableViewRowAnimationFade break case NSFetchedResultsChangeDelete.. break case NSFetchedResultsChangeDelete tableView deleteSections NSIndexSet indexSetWithIndex sectionIndex withRowAnimation UITableViewRowAnimationFade break void controller NSFetchedResultsController..
iOS: how to perform an HTTP POST request? http://stackoverflow.com/questions/5537297/ios-how-to-perform-an-http-post-request iphone objective c ios share improve this question You can use NSURLConnection as follows Set your NSURLRequest Use requestWithURL NSURL theURL to initialise the request. If you need to specify..
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 application UIApplication application didFinishLaunchingWithOptions NSDictionary launchOptions Set Background Color Pattern self.window.backgroundColor UIColor blackColor self.tabBarController.tabBar.backgroundColor.. self.window.backgroundColor UIColor colorWithPatternImage UIImage imageNamed @ testbg.png Set StatusBar Color UIApplication sharedApplication setStatusBarStyle UIStatusBarStyleBlackTranslucent Add..
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 @ www.apple.com hostReachable startNotifier now patiently wait for the notification 8 Set up the method for when the notification gets sent and set whatever checks or call whatever methods you may have set up in my case I just set a BOOL void checkNetworkStatus NSNotification notice called after network status.. now patiently wait for the notification 8 Set up the method for when the notification gets sent and set whatever checks or call whatever methods you may have set up in my case I just set a BOOL void checkNetworkStatus NSNotification notice called after network status changes NetworkStatus internetStatus internetReachable.. notification 8 Set up the method for when the notification gets sent and set whatever checks or call whatever methods you may have set up in my case I just set a BOOL void checkNetworkStatus NSNotification notice called after network status changes NetworkStatus internetStatus internetReachable currentReachabilityStatus..
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps? http://stackoverflow.com/questions/1108693/is-it-possible-to-register-a-httpdomain-based-url-scheme-for-iphone-apps-like intrusive way of doing this is as follows Check if the user agent is that of an iPhone iPod Touch Check for an appInstalled cookie If the cookie exists and is set to true set window.location to your uri or do the redirect server side If the cookie doesn't exist open a Did you know Your Site Name has an iPhone application.. of doing this is as follows Check if the user agent is that of an iPhone iPod Touch Check for an appInstalled cookie If the cookie exists and is set to true set window.location to your uri or do the redirect server side If the cookie doesn't exist open a Did you know Your Site Name has an iPhone application modal with a.. you know Your Site Name has an iPhone application modal with a Yep I've already got it Nope but I'd love to try it and Leave me alone button. The Yep button sets the cookie to true and redirects to your uri The Nope button redirects to http itunes.com apps yourappname which will open the App Store on the device The Leave..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present a UIView and a UIScrollView Does one go inside the other EDIT I now know that you want a UIView inside of a UIScrollView and the trick is to programatically set the content size of the UIScrollView to the frame size of the UIView . Then what needs to be implemented in order to automatically scroll to the active text field.. to the frame size of the UIView . Then what needs to be implemented in order to automatically scroll to the active text field Ideally as much of the setup of the components as possible will be done in Interface Builder. I'd like to only write code for what needs it. Note the UIView or UIScrollView that I'm working.. Here is some sample code #define kOFFSET_FOR_KEYBOARD 80.0 void keyboardWillShow Animate the current view out of the way if self.view.frame.origin.y 0 self setViewMovedUp YES else if self.view.frame.origin.y 0 self setViewMovedUp NO void keyboardWillHide if self.view.frame.origin.y 0 self setViewMovedUp YES else if self.view.frame.origin.y..
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 it you will get 960 px with black margins on top and bottom . Test your app and hopefully do nothing else since everything should work magically if you had set auto resizing masks properly. If you didn't adjust your view layouts with proper auto resizing masks or look into Auto Layout if you only want to support iOS 6..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices people this does only detect a widescreen not an actual iPhone 5. Next versions of the iPod touch will maybe also have such a screen so we may use another 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..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone only these methods and then selecting this new type instead of the base type in IB or using it when allocating a view . In the view controller you want to set this view to become first responder void viewWillAppear BOOL animated shakeView becomeFirstResponder super viewWillAppear animated void viewWillDisappear BOOL animated..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language share improve this question NSLocalizedString and variants thereof access the AppleLanguages key in NSUserDefaults to determine what the user's settings for preferred languages are. This returns an array of language codes with the first one being the one set by the user for their phone and the subsequent ones.. in NSUserDefaults to determine what the user's settings for preferred languages are. This returns an array of language codes with the first one being the one set by the user for their phone and the subsequent ones used as fallbacks if a resource is not available in the preferred language. on the desktop the user can specify.. in the preferred language. on the desktop the user can specify multiple languages with a custom ordering in System Preferences You can override the global setting for your own application if you wish by using the setObject forKey method to set your own language list. This will take precedence over the globally set value..
Programmatically get own phone number in iOS http://stackoverflow.com/questions/193182/programmatically-get-own-phone-number-in-ios and data to a unique location in the file system. This restriction is part of the security feature known as the application's sandbox. The sandbox is a set of fine grained controls limiting an application's access to files preferences network resources hardware and so on. The device's phone number is not available..
The simplest way to resize an UIImage? http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage it anymore with iPhone OS4. So... what is the simplest way to resize an UIImage iphone resize uiimage share improve this question The simplest way is to set the frame of your UIImageView and set the contentMode to one of the resizing options. Or you can use this utility method if you actually need to resize an image.. is the simplest way to resize an UIImage iphone resize uiimage share improve this question The simplest way is to set the frame of your UIImageView and set the contentMode to one of the resizing options. Or you can use this utility method if you actually need to resize an image UIImage imageWithImage UIImage image..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application introduced 'Document Support' which goes a step further and allows apps to associate with file types. There is a lot of talk in the documentation about how to set up your app to launch other appropriate apps when it encounters an unknown file type. This means the association doesn't work out of the box for any app like the.. Structure File string key CFBundleTypeRole key string Viewer string key LSHandlerRank key string Owner string key LSItemContentTypes key array string com.sunsetlakesoftware.molecules.pdb string string org.gnu.gnu zip archive string array dict array Two images are provided that will be used as icons for the supported types.. text string string public.text string array key UTTypeDescription key string Molecules Structure File string key UTTypeIdentifier key string com.sunsetlakesoftware.molecules.pdb string key UTTypeTagSpecification key dict key public.filename extension key string pdb string key public.mime type key string chemical..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview one of the matrix cells of the CATransform3D m34 . Matrix math has never been my thing so I can't explain exactly why this works but it does. You'll need to set this value to a negative fraction for your initial transform then apply your layer rotation transforms to that. You should also be able to do the following UIView..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c NSNumber bar @property readwrite retain NSNumber bar @end @implementation Foo @synthesize bar void baz NSNumber numberOne NSNumber numberWithInt 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne self.bar numberOne Both get the value of bar through your.. Foo @synthesize bar void baz NSNumber numberOne NSNumber numberWithInt 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne self.bar numberOne Both get the value of bar through your synthesized or your custom accessor method NSNumber fooBar self bar fooBar.. bar void baz NSNumber numberOne NSNumber numberWithInt 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne self.bar numberOne Both get the value of bar through your synthesized or your custom accessor method NSNumber fooBar self bar fooBar self.bar Both..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c notification ... @end Then you could create an instance of MyClass and assign it as the window's delegate MyClass myDelegate MyClass alloc init window setDelegate myDelegate On the NSWindow side it probably has code similar to this to see if the delegate responds to the windowDidMove message using respondsToSelector.. Optimizations Instead of checking whether a delegate responds to a selector every time we want to message it you can cache that information when delegates are set. One very clean way to do this is to use a bitfield as follows @protocol SomethingDelegate NSObject @optional void something id something didFinishLoadingItem id.. @end @implementation Something struct unsigned int didFinishLoadingItem 1 unsigned int didFailWithError 1 delegateRespondsTo @synthesize delegate void setDelegate id JSSomethingDelegate aDelegate if delegate aDelegate delegate aDelegate delegateRespondsTo.didFinishLoadingItem delegate respondsToSelector @selector..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert it gives an error if the cert is a self signed one Error Domain NSURLErrorDomain Code 1202 UserInfo 0xd29930 untrusted server certificate . Is there a way to set it to accept connections anyway just like in a browser you can press accept or a way to bypass it iphone ssl https share improve this question There is a supported..
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 random host exists hostReachable Reachability reachabilityWithHostName @ www.apple.com hostReachable startNotifier now patiently wait for the notification 8 Set up the method for when the notification gets sent and set whatever checks or call whatever methods you may have set up in my case I just set a BOOL void checkNetworkStatus..
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 imageFrame.size.width 2.0f imageViewForAnimation.frame imageFrame imageViewForAnimation.layer.position viewOrigin self.view addSubview imageViewForAnimation Set up fade out effect CABasicAnimation fadeOutAnimation CABasicAnimation animationWithKeyPath @ opacity fadeOutAnimation setToValue NSNumber numberWithFloat 0.3 fadeOutAnimation.fillMode.. @ opacity fadeOutAnimation setToValue NSNumber numberWithFloat 0.3 fadeOutAnimation.fillMode kCAFillModeForwards fadeOutAnimation.removedOnCompletion NO Set up scaling CABasicAnimation resizeAnimation CABasicAnimation animationWithKeyPath @ bounds.size resizeAnimation setToValue NSValue valueWithCGSize CGSizeMake 40.0f.. CGSizeMake 40.0f imageFrame.size.height 40.0f imageFrame.size.width resizeAnimation.fillMode kCAFillModeForwards resizeAnimation.removedOnCompletion NO Set up path movement CAKeyframeAnimation pathAnimation CAKeyframeAnimation animationWithKeyPath @ position pathAnimation.calculationMode kCAAnimationPaced pathAnimation.fillMode..
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 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 on top and bottom . Test your app..
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 A majority of applications that use a standard navigation bar and or tab bar could simply expand the content in the middle to use up that extra points. Set the autoresizing mask of the center content to expand in both directions. view.autoresizingMask UIViewAutoresizingFlexibleWidth UIViewAutoresizingFlexibleHeight..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library categories on existing classes. and there is also recommendation in iPhone Development FAQ How do I link all the Objective C classes in a static library Set the Other Linker Flags build setting to ObjC. and flags descriptions all_load Loads all members of static archive libraries. ObjC Loads all members of static archive..
How To Make iPhone App compatible with multiple SDK (firmware) versions http://stackoverflow.com/questions/3027120/how-to-make-iphone-app-compatible-with-multiple-sdk-firmware-versions ios4 share improve this question Yes you can build with the latest SDK ie 5.1 and still run on devices with earlier versions of the firmware SDK . Set your Deployment Target to the earliest version you want to be able to run with ie 3.0. You set your Base SDK to the latest version that you are compiling with ie..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel attributedText NSMutableAttributedString alloc initWithString text attributes attrs attributedText setAttributes subAttrs range range Set it in our UILabel and we are done _label setAttributedText attributedText else iOS5 and below Here we have some options too. The first one is to do something less.. alloc initWithString text attributes attributes attrStr addAttributes subAttributes range NSMakeRange prefix.length 12 12 is the length of MM dd yyyy Set the attributes string in the text layer _textLayer.string attrStr attrStr release _textLayer.opacity 1.0 else _textLayer.opacity 0.0 _textLayer.string nil In this..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store days Click Continue Blank out the Email address field. Click Continue until complete. You should see This root certificate is not trusted . This is expected. Set the iPhone SDK to allow the self signed certificate to be used sudo usr bin sed i .bak 's XCiPhoneOSCodeSignContext XCCodeSignContext ' Developer Platforms iPhoneOS.platform.. root users after installing SSH. To manually compile and install your application on the phone as a system app bypassing Apple's installation system Project Set Active SDK Device and Set Active Build Configuration Release. Compile your project normally using Build not Build Go . In the build Release iphoneos directory you.. SSH. To manually compile and install your application on the phone as a system app bypassing Apple's installation system Project Set Active SDK Device and Set Active Build Configuration Release. Compile your project normally using Build not Build Go . In the build Release iphoneos directory you will have an app bundle...
How do you beta test an iphone app? http://stackoverflow.com/questions/40154/how-do-you-beta-test-an-iphone-app Files expand Targets select your target and press Cmd I . Go to the tab Build . Select the Configuration named Distribution . Find the section Code Signing . Set the value of Code Signing Identity Any iPhone OS Device to iPhone Distribution . Close the Target Info pane. In the main window select the Active Configuration..
Set the maximum character length of a UITextField http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield the maximum character length of a UITextField How can I set the maximum amount of characters in a UITextField on the iPhone SDK when I load up a UIView iphone..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll self.tableView self.searchDisplayController.searchResultsTableView switch type case NSFetchedResultsChangeInsert tableView insertSections NSIndexSet indexSetWithIndex sectionIndex withRowAnimation UITableViewRowAnimationFade break case NSFetchedResultsChangeDelete tableView deleteSections NSIndexSet indexSetWithIndex.. self.tableView self.searchDisplayController.searchResultsTableView switch type case NSFetchedResultsChangeInsert tableView insertSections NSIndexSet indexSetWithIndex sectionIndex withRowAnimation UITableViewRowAnimationFade break case NSFetchedResultsChangeDelete tableView deleteSections NSIndexSet indexSetWithIndex.. NSIndexSet indexSetWithIndex sectionIndex withRowAnimation UITableViewRowAnimationFade break case NSFetchedResultsChangeDelete tableView deleteSections NSIndexSet indexSetWithIndex sectionIndex withRowAnimation UITableViewRowAnimationFade break void controller NSFetchedResultsController controller didChangeObject id anObject..
iOS: how to perform an HTTP POST request? http://stackoverflow.com/questions/5537297/ios-how-to-perform-an-http-post-request username and password and getting back a plain text response. iphone objective c ios share improve this question You can use NSURLConnection as follows Set your NSURLRequest Use requestWithURL NSURL theURL to initialise the request. If you need to specify a POST request and or HTTP headers use NSMutableURLRequest with..
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 Below is my application didFinishLaunchWithOptions method BOOL application UIApplication application didFinishLaunchingWithOptions NSDictionary launchOptions Set Background Color Pattern self.window.backgroundColor UIColor blackColor self.tabBarController.tabBar.backgroundColor UIColor clearColor self.window.backgroundColor.. self.tabBarController.tabBar.backgroundColor UIColor clearColor self.window.backgroundColor UIColor colorWithPatternImage UIImage imageNamed @ testbg.png Set StatusBar Color UIApplication sharedApplication setStatusBarStyle UIStatusBarStyleBlackTranslucent Add the tab bar controller's current view as a subview of the..
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 startNotifier now patiently wait for the notification 8 Set up the method for when the notification gets sent and set whatever checks or call whatever methods you may have set up in my case I just set a BOOL void checkNetworkStatus NSNotification.. 8 Set up the method for when the notification gets sent and set whatever checks or call whatever methods you may have set up in my case I just set a BOOL void checkNetworkStatus NSNotification notice called after network status changes NetworkStatus.. when the notification gets sent and set whatever checks or call whatever methods you may have set up in my case I just set a BOOL void checkNetworkStatus NSNotification notice called after network status changes NetworkStatus internetStatus internetReachable..
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps? http://stackoverflow.com/questions/1108693/is-it-possible-to-register-a-httpdomain-based-url-scheme-for-iphone-apps-like Check if the user agent is that of an iPhone iPod Touch Check for an appInstalled cookie If the cookie exists and is set to true set window.location to your uri or do the redirect server side If the cookie doesn't exist open a Did you know Your.. user agent is that of an iPhone iPod Touch Check for an appInstalled cookie If the cookie exists and is set to true set window.location to your uri or do the redirect server side If the cookie doesn't exist open a Did you know Your Site Name.. application modal with a Yep I've already got it Nope but I'd love to try it and Leave me alone button. The Yep button sets the cookie to true and redirects to your uri The Nope button redirects to http itunes.com apps yourappname which will open..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present inside the other EDIT I now know that you want a UIView inside of a UIScrollView and the trick is to programatically set the content size of the UIScrollView to the frame size of the UIView . Then what needs to be implemented in order to automatically.. . Then what needs to be implemented in order to automatically scroll to the active text field Ideally as much of the setup of the components as possible will be done in Interface Builder. I'd like to only write code for what needs it. Note the.. 80.0 void keyboardWillShow Animate the current view out of the way if self.view.frame.origin.y 0 self setViewMovedUp YES else if self.view.frame.origin.y 0 self setViewMovedUp NO void keyboardWillHide if self.view.frame.origin.y..
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 on top and bottom . Test your app and hopefully do nothing else since everything should work magically if you had set auto resizing masks properly. If you didn't adjust your view layouts with proper auto resizing masks or look into Auto Layout..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices not an actual iPhone 5. Next versions of the iPod touch will maybe also have such a screen so we may use another set of macros. Let's rename the original macro IS_WIDESCREEN #define IS_WIDESCREEN fabs double UIScreen mainScreen bounds .size.height..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone this new type instead of the base type in IB or using it when allocating a view . In the view controller you want to set this view to become first responder void viewWillAppear BOOL animated shakeView becomeFirstResponder super viewWillAppear..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language NSLocalizedString and variants thereof access the AppleLanguages key in NSUserDefaults to determine what the user's settings for preferred languages are. This returns an array of language codes with the first one being the one set by the user.. user's settings for preferred languages are. This returns an array of language codes with the first one being the one set by the user for their phone and the subsequent ones used as fallbacks if a resource is not available in the preferred language... the user can specify multiple languages with a custom ordering in System Preferences You can override the global setting for your own application if you wish by using the setObject forKey method to set your own language list. This will take..
Programmatically get own phone number in iOS http://stackoverflow.com/questions/193182/programmatically-get-own-phone-number-in-ios the file system. This restriction is part of the security feature known as the application's sandbox. The sandbox is a set of fine grained controls limiting an application's access to files preferences network resources hardware and so on. The..
The simplest way to resize an UIImage? http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage is the simplest way to resize an UIImage iphone resize uiimage share improve this question The simplest way is to set the frame of your UIImageView and set the contentMode to one of the resizing options. Or you can use this utility method.. iphone resize uiimage share improve this question The simplest way is to set the frame of your UIImageView and set the contentMode to one of the resizing options. Or you can use this utility method if you actually need to resize an image..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application a step further and allows apps to associate with file types. There is a lot of talk in the documentation about how to set up your app to launch other appropriate apps when it encounters an unknown file type. This means the association doesn't.. key string Viewer string key LSHandlerRank key string Owner string key LSItemContentTypes key array string com.sunsetlakesoftware.molecules.pdb string string org.gnu.gnu zip archive string array dict array Two images are provided that will.. string array key UTTypeDescription key string Molecules Structure File string key UTTypeIdentifier key string com.sunsetlakesoftware.molecules.pdb string key UTTypeTagSpecification key dict key public.filename extension key string pdb string..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview m34 . Matrix math has never been my thing so I can't explain exactly why this works but it does. You'll need to set this value to a negative fraction for your initial transform then apply your layer rotation transforms to that. You should..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c retain NSNumber bar @end @implementation Foo @synthesize bar void baz NSNumber numberOne NSNumber numberWithInt 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne self.bar numberOne.. numberOne NSNumber numberWithInt 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne self.bar numberOne Both get the value of bar through your synthesized or your custom accessor.. numberWithInt 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne self.bar numberOne Both get the value of bar through your synthesized or your custom accessor method NSNumber..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c create an instance of MyClass and assign it as the window's delegate MyClass myDelegate MyClass alloc init window setDelegate myDelegate On the NSWindow side it probably has code similar to this to see if the delegate responds to the windowDidMove.. a delegate responds to a selector every time we want to message it you can cache that information when delegates are set. One very clean way to do this is to use a bitfield as follows @protocol SomethingDelegate NSObject @optional void something.. unsigned int didFinishLoadingItem 1 unsigned int didFailWithError 1 delegateRespondsTo @synthesize delegate void setDelegate id JSSomethingDelegate aDelegate if delegate aDelegate delegate aDelegate delegateRespondsTo.didFinishLoadingItem..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert signed one Error Domain NSURLErrorDomain Code 1202 UserInfo 0xd29930 untrusted server certificate . Is there a way to set it to accept connections anyway just like in a browser you can press accept or a way to bypass it iphone ssl https share..
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 reachabilityWithHostName @ www.apple.com hostReachable startNotifier now patiently wait for the notification 8 Set up the method for when the notification gets sent and set whatever checks or call whatever methods you may have set up in..
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 imageFrame imageViewForAnimation.layer.position viewOrigin self.view addSubview imageViewForAnimation Set up fade out effect CABasicAnimation fadeOutAnimation CABasicAnimation animationWithKeyPath @ opacity fadeOutAnimation setToValue.. NSNumber numberWithFloat 0.3 fadeOutAnimation.fillMode kCAFillModeForwards fadeOutAnimation.removedOnCompletion NO Set up scaling CABasicAnimation resizeAnimation CABasicAnimation animationWithKeyPath @ bounds.size resizeAnimation setToValue.. 40.0f imageFrame.size.width resizeAnimation.fillMode kCAFillModeForwards resizeAnimation.removedOnCompletion NO Set up path movement CAKeyframeAnimation pathAnimation CAKeyframeAnimation animationWithKeyPath @ position pathAnimation.calculationMode..
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 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..
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 a standard navigation bar and or tab bar could simply expand the content in the middle to use up that extra points. Set the autoresizing mask of the center content to expand in both directions. view.autoresizingMask UIViewAutoresizingFlexibleWidth..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library there is also recommendation in iPhone Development FAQ How do I link all the Objective C classes in a static library Set the Other Linker Flags build setting to ObjC. and flags descriptions all_load Loads all members of static archive libraries...
How To Make iPhone App compatible with multiple SDK (firmware) versions http://stackoverflow.com/questions/3027120/how-to-make-iphone-app-compatible-with-multiple-sdk-firmware-versions Yes you can build with the latest SDK ie 5.1 and still run on devices with earlier versions of the firmware SDK . Set your Deployment Target to the earliest version you want to be able to run with ie 3.0. You set your Base SDK to the latest..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel alloc initWithString text attributes attrs attributedText setAttributes subAttrs range range Set it in our UILabel and we are done _label setAttributedText attributedText else iOS5 and below Here we have some options.. attributes attrStr addAttributes subAttributes range NSMakeRange prefix.length 12 12 is the length of MM dd yyyy Set the attributes string in the text layer _textLayer.string attrStr attrStr release _textLayer.opacity 1.0 else _textLayer.opacity..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store address field. Click Continue until complete. You should see This root certificate is not trusted . This is expected. Set the iPhone SDK to allow the self signed certificate to be used sudo usr bin sed i .bak 's XCiPhoneOSCodeSignContext XCCodeSignContext.. compile and install your application on the phone as a system app bypassing Apple's installation system Project Set Active SDK Device and Set Active Build Configuration Release. Compile your project normally using Build not Build Go . In.. your application on the phone as a system app bypassing Apple's installation system Project Set Active SDK Device and Set Active Build Configuration Release. Compile your project normally using Build not Build Go . In the build Release iphoneos..
How do you beta test an iphone app? http://stackoverflow.com/questions/40154/how-do-you-beta-test-an-iphone-app and press Cmd I . Go to the tab Build . Select the Configuration named Distribution . Find the section Code Signing . Set the value of Code Signing Identity Any iPhone OS Device to iPhone Distribution . Close the Target Info pane. In the main..
Set the maximum character length of a UITextField http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield the maximum character length of a UITextField How can I set the maximum amount of characters in a UITextField on the iPhone..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll switch type case NSFetchedResultsChangeInsert tableView insertSections NSIndexSet indexSetWithIndex sectionIndex withRowAnimation UITableViewRowAnimationFade break case NSFetchedResultsChangeDelete tableView.. switch type case NSFetchedResultsChangeInsert tableView insertSections NSIndexSet indexSetWithIndex sectionIndex withRowAnimation UITableViewRowAnimationFade break case NSFetchedResultsChangeDelete tableView deleteSections.. withRowAnimation UITableViewRowAnimationFade break case NSFetchedResultsChangeDelete tableView deleteSections NSIndexSet indexSetWithIndex sectionIndex withRowAnimation UITableViewRowAnimationFade break void controller NSFetchedResultsController..
iOS: how to perform an HTTP POST request? http://stackoverflow.com/questions/5537297/ios-how-to-perform-an-http-post-request a plain text response. iphone objective c ios share improve this question You can use NSURLConnection as follows Set your NSURLRequest Use requestWithURL NSURL theURL to initialise the request. If you need to specify a POST request and or..
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 method BOOL application UIApplication application didFinishLaunchingWithOptions NSDictionary launchOptions Set Background Color Pattern self.window.backgroundColor UIColor blackColor self.tabBarController.tabBar.backgroundColor UIColor.. UIColor clearColor self.window.backgroundColor UIColor colorWithPatternImage UIImage imageNamed @ testbg.png Set StatusBar Color UIApplication sharedApplication setStatusBarStyle UIStatusBarStyleBlackTranslucent Add the tab bar controller's..
cocos2d 2.0-rc2: end the director and restart http://stackoverflow.com/questions/11037134/cocos2d-2-0-rc2-end-the-director-and-restart CHECK TO SEE IF THERE IS A SCENE RUNNING IN THE DIRECTOR ALREADY if director_ runningScene director_ setView glView SET THE DIRECTOR VIEW if director_ enableRetinaDisplay YES ENABLE RETINA CCLOG @ Retina Display Not supported director_ runWithScene..
http://stackoverflow.com/questions/13699805/how-to-save-nstimer void viewWillAppear BOOL animated isGameOver FALSE self start super viewWillAppear YES IBAction start currentTime 0 SET 60 SECODE AS STATICULLY YOU CAN SET YOUR OWN TIME lbl UILabel alloc init creates and fires timer every second myTimer NSTimer.. isGameOver FALSE self start super viewWillAppear YES IBAction start currentTime 0 SET 60 SECODE AS STATICULLY YOU CAN SET YOUR OWN TIME lbl UILabel alloc init creates and fires timer every second myTimer NSTimer scheduledTimerWithTimeInterval..
Adding UIImageViews to UIScrollView http://stackoverflow.com/questions/3777364/adding-uiimageviews-to-uiscrollview UIImageView alloc initWithImage UIImage imageNamed @ IMAGE this makes the image view imageView setFrame CGRectMake SET AS 2 3 THE SIZE OF scrollView AND EACH IMAGE NEXT TO THE LAST this makes the image view display where you want it and at..
sqlite and threading with iPhone SDK http://stackoverflow.com/questions/4338031/sqlite-and-threading-with-iphone-sdk withObject nil self test return YES void test for int i 0 i 2000 i NSLog @ i i sqlite3_exec self getDb UPDATE mytable SET test '' 0 0 0 EDIT After willcodejavaforfood's answer below I've tried to change my code to use a separate database object.. connections void test sqlite3 db self getNewDb for int i 0 i 2000 i NSLog @ i i sqlite3_exec db UPDATE mytable SET test '' 0 0 0 sqlite3 getNewDb sqlite3 newDb nil if sqlite3_open self getDbPath UTF8String newDb SQLITE_OK sqlite3_busy_timeout..
Error getting artwork for current song http://stackoverflow.com/questions/6346079/error-getting-artwork-for-current-song nil Explodes like this CPSqliteStatementPerform attempt to write a readonly database for UPDATE ddd.ext_container SET orig_date_modified SELECT date_modified FROM container WHERE pid container_pid WHERE orig_date_modified 0 CPSqliteStatementReset.. WHERE orig_date_modified 0 CPSqliteStatementReset attempt to write a readonly database for UPDATE ddd.ext_container SET orig_date_modified SELECT date_modified FROM container WHERE pid container_pid WHERE orig_date_modified 0 But only on launch...
SQLlite3 Update statment has no effect http://stackoverflow.com/questions/6622582/sqllite3-update-statment-has-no-effect said it complied to the core SQL standard. Can you spot anything wrong with the statement given below UPDATE sections SET title 'What is acne ABC' text 'Pus on your face' created '2010 03 10 18 46 55' modified '2011 07 04 17 38 44' position 1..
How to insert utf-8 mb4 character(emoji in ios5) in mysql? http://stackoverflow.com/questions/7814293/how-to-insert-utf-8-mb4-characteremoji-in-ios5-in-mysql client server character sets e.g. ALTER TABLE mytable charset utf8mb4 MODIFY COLUMN textfield1 VARCHAR 255 CHARACTER SET utf8mb4 MODIFY COLUMN textfield2 VARCHAR 255 CHARACTER SET utf8mb4 and so on. If your data is already in the utf8 character.. utf8mb4 MODIFY COLUMN textfield1 VARCHAR 255 CHARACTER SET utf8mb4 MODIFY COLUMN textfield2 VARCHAR 255 CHARACTER SET utf8mb4 and so on. If your data is already in the utf8 character set it should convert to utf8mb4 in place without any problems... When viewing your data through the mysql client make sure you're on a machine that can display emoji and run a SET NAMES utf8mb4 before running any queries. Once every level of your application can support the new characters you should..
|