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2014/10/15 ¤U¤È 10:12:23
iphone Programming Glossary: otherHow 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 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... class is one of the most used classes in projects so you might run into naming conflicts with other projects like ShareKit. If this happens you'll have to rename one of the pairs of Reachability.h and..
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 Store on the device The Leave me alone button sets the cookie to false and closes the modal The other option I've played with but found a little clunky was to do the following in Javascript setTimeout function..
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 keyboard. I need it to be able to Allow scrolling of the contents of the UIScrollView to see the other text fields once the keyboard is brought up Automatically jump by scrolling up or shortening I know.. scroll the textboxes up or down. Do I need both 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..
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
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone the iPhone Can anybody point me in the right direction to be able to encrypt a string returning another string with the encrypted data I've been trying with AES256 encryption. I want to write a method which.. want to write a method which takes two NSString instances one being the message to encrypt and the other being a 'passcode' to encrypt it with I suspect I'd have to generate the encryption key with the passcode..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone shakeView resignFirstResponder super viewWillDisappear animated Don't forget that if you have other views that become first responder from user actions like a search bar or text entry field you'll also.. or text entry field you'll also need to restore the shaking view first responder status when the other view resigns This method works even if you set applicationSupportsShakeToEdit to NO. share improve..
http://stackoverflow.com/questions/158914/cropping-a-uiimage bounds of my image context. I was hoping this was Kosher but am I instead attempting to draw over other memory that I shouldn't be touching Theory 2 I'm doing all of this in a background thread. I know there..
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c name should always be @ TestNotification unless you use this method for observation of other notifications as well. if notification name isEqualToString @ TestNotification NSLog @ Successfully.. TestNotification NSLog @ Successfully received the test notification @end ... somewhere else in another class ... void someMethod All instances of TestClass will be notified NSNotificationCenter defaultCenter..
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 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.. the source code is available handles the .pdb and .pdb.gz file types if received via email or in another supported application. To register support you will need to have something like the following in your.. dict array Two images are provided that will be used as icons for the supported types in Mail and other applications capable of showing documents. The LSItemContentTypes key lets you provide an array of Uniform..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 he's done it simply will not work due to the Documented change in how Xcode processes targets Another SO questioner asked how to do it WITHOUT xcode and with responses that focussed on the arm6 vs arm7.. into a Framework . RECENT CHANGES Info on how to use this script with a project embedded in another project although I highly recommend NOT doing that ever Apple has a couple of show stopper bugs in Xcode.. doing that ever Apple has a couple of show stopper bugs in Xcode if you embed projects inside each other from Xcode 3.x through to Xcode 4.6.x Bonus script to let you auto include Bundles i.e. include PNG..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints no matter how small or obvious to improve the performance memory handling of Drawing PDF's or any other issues discussed here EDIT Some Tips Credit Luke Mcneice VdesmedT Matt Gallagher Johann Save any media.. if rendering on TiledLayers init frequently used arrays with placeholder objects alternitively another design approach is this one Note that images will render faster than a CGPDFPageRef Use NSOperations..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c question An Objective C delegate is just an object that has been assigned as a delegate of another. There's no special process for creating them you simply define a class that implements the delegate.. @interface NSObject NSWindowNotifications void windowDidMove NSNotification notification ... other methods here @end You would then use respondsToSelector as described above when calling this method... NSWindowNotifications NSObject @optional void windowDidMove NSNotification notification ... other methods here @end This is analogous to an interface or abstract base class as it creates a special type..
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 my experience the best. The best way I have found to achieve this is with a Gesture Recognizer. Other ways turn out to involve a lot of hackish programming that imperfectly duplicates Apple's code. Here's..
Adding Core Data to existing iPhone project http://stackoverflow.com/questions/2032818/adding-core-data-to-existing-iphone-project you need them. So open up Xcode and look for some file like App_Prefix.pch by default it's in the Other Sources group. After the UIKit import statement add the following line #import CoreData CoreData.h And..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library the project in the Project Navigator click your app's target then build settings then search for Other Linker Flags click the button and add ' ObjC'. ' all_load' and ' force_load' are no longer needed. Details.. 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..
Drawing a route in mapkit in iphone sdk http://stackoverflow.com/questions/2834523/drawing-a-route-in-mapkit-in-iphone-sdk may make you want to use cloudmade maps all the way they have an equivalent to mapkit. p.s. Other mapping providers Google Bing etc may also provide equivalent data feeds I've just been looking at OSM..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions set correctly. Only the first view controller bound to the window will be layed out correctly. Other people have suggested using a MasterViewController hooked up to the main window to which other controllers..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints you don't need them on receiving memory warnings release and reload the DocRef and any page Caches Other PDF Features Getting Links inside a PDF and here and here Understanding the PDF Rect for link positioning..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone Add libxml2 library to to your project Menu Project Edit Project Settings Search for setting Other Linker Flags Add a new search flag lxml2 From hpple get the following source code files an add them..
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 tableView endUpdates Other view information void loadView super loadView UISearchBar searchBar UISearchBar alloc initWithFrame..
http://stackoverflow.com/questions/72288/learning-opengl-es-1-x 3d opengl es share improve this question There is some documentation in iPhone SDK itself. Other than that just take what you know about OpenGL or learn that via other means and forget about all things..
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 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. BOOL connectedToInternet NSString URLString NSString stringWithContentsOfURL.. for a gateway to any domain. Important Note The Reachability class is one of the most used classes in projects so you might run into naming conflicts with other projects like ShareKit. If this happens you'll have to rename one of the pairs of Reachability.h and Reachability.m files to something else to resolve the issue...
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 to http itunes.com apps yourappname which will open the App Store on the device The Leave me alone button sets the cookie to false and closes the modal The other option I've played with but found a little clunky was to do the following in Javascript setTimeout function window.location http itunes.com apps yourappname 25..
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 iPhone SDK I have a UIView with UITextFields that brings up a keyboard. I need it to be able to Allow scrolling of the contents of the UIScrollView to see the other text fields once the keyboard is brought up Automatically jump by scrolling up or shortening I know that I need a UIScrollView . I've tried changing the class of.. of my UIView to a UIScrollView but I'm still unable to scroll the textboxes up or down. Do I need both 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..
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
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone Encryption for an NSString on the iPhone Can anybody point me in the right direction to be able to encrypt a string returning another string with the encrypted data I've been trying with AES256 encryption. I want to write a method which takes two NSString instances one being the message to encrypt.. encrypted data I've been trying with AES256 encryption. I want to write a method which takes two NSString instances one being the message to encrypt and the other being a 'passcode' to encrypt it with I suspect I'd have to generate the encryption key with the passcode in a way that can be reversed if the passcode is supplied..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone viewWillAppear animated void viewWillDisappear BOOL animated shakeView resignFirstResponder super viewWillDisappear animated Don't forget that if you have other views that become first responder from user actions like a search bar or text entry field you'll also need to restore the shaking view first responder status when..
http://stackoverflow.com/questions/158914/cropping-a-uiimage passed to drawInRect to something that's larger than the bounds of my image context. I was hoping this was Kosher but am I instead attempting to draw over other memory that I shouldn't be touching Theory 2 I'm doing all of this in a background thread. I know there are portions of UIKit that are restricted to the main thread...
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c void receiveTestNotification NSNotification notification notification name should always be @ TestNotification unless you use this method for observation of other notifications as well. if notification name isEqualToString @ TestNotification NSLog @ Successfully received the test notification @end ... somewhere else in another.. as well. if notification name isEqualToString @ TestNotification NSLog @ Successfully received the test notification @end ... somewhere else in another class ... void someMethod All instances of TestClass will be notified NSNotificationCenter defaultCenter postNotificationName @ TestNotification object self share..
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 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 URL protocol registering did... application. For example my application Molecules for which the source code is available handles the .pdb and .pdb.gz file types if received via email or in another supported application. To register support you will need to have something like the following in your Info.plist key CFBundleDocumentTypes key array dict key CFBundleTypeIconFiles.. 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 in Mail and other applications capable of showing documents. The LSItemContentTypes key lets you provide an array of Uniform Type Identifiers UTIs that your application can open...
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 them Apple's latest Xcode prevents you from doing what he's done it simply will not work due to the Documented change in how Xcode processes targets Another SO questioner asked how to do it WITHOUT xcode and with responses that focussed on the arm6 vs arm7 part but ignored the i386 part http stackoverflow.com questions.. setup but much nicer long term solution it converts your library into a Framework . RECENT CHANGES Info on how to use this script with a project embedded in another project although I highly recommend NOT doing that ever Apple has a couple of show stopper bugs in Xcode if you embed projects inside each other from Xcode 3.x.. embedded in another project although I highly recommend NOT doing that ever Apple has a couple of show stopper bugs in Xcode if you embed projects inside each other from Xcode 3.x through to Xcode 4.6.x Bonus script to let you auto include Bundles i.e. include PNG files PLIST files etc from your library see below scroll to..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints away from the focused page. Does anyone have any insights no matter how small or obvious to improve the performance memory handling of Drawing PDF's or any other issues discussed here EDIT Some Tips Credit Luke Mcneice VdesmedT Matt Gallagher Johann Save any media to disk when you can. Use larger tileSizes if rendering on.. Save any media to disk when you can. Use larger tileSizes if rendering on TiledLayers init frequently used arrays with placeholder objects alternitively another design approach is this one Note that images will render faster than a CGPDFPageRef Use NSOperations or GCD Blocks to prepare pages ahead of time. call CGContextSetInterpolationQuality..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c iphone ios objective c cocoa delegates share improve this question An Objective C delegate is just an object that has been assigned as a delegate of another. There's no special process for creating them you simply define a class that implements the delegate methods you're interested in. Though with delegates that use.. continuing the example above this is paraphrased from NSWindow.h @interface NSObject NSWindowNotifications void windowDidMove NSNotification notification ... other methods here @end You would then use respondsToSelector as described above when calling this method. Delegates simply implement this method and they're done. This.. a formal protocol. The declaration would look like this @protocol NSWindowNotifications NSObject @optional void windowDidMove NSNotification notification ... other methods here @end This is analogous to an interface or abstract base class as it creates a special type for your delegate NSWindowNotifications in this case. Delegate..
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 multitouch. This solutions is the least intrusive and from my experience the best. The best way I have found to achieve this is with a Gesture Recognizer. Other ways turn out to involve a lot of hackish programming that imperfectly duplicates Apple's code. Here's what I do Implement a gesture recognizer that cannot be prevented..
Adding Core Data to existing iPhone project http://stackoverflow.com/questions/2032818/adding-core-data-to-existing-iphone-project so you don't have to manually import the header in the files you need them. So open up Xcode and look for some file like App_Prefix.pch by default it's in the Other Sources group. After the UIKit import statement add the following line #import CoreData CoreData.h And you should be ready to go. Xcode 4 For projects created in..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library linking against the library not the library itself and click the project in the Project Navigator click your app's target then build settings then search for Other Linker Flags click the button and add ' ObjC'. ' all_load' and ' force_load' are no longer needed. Details I found some answers on various forums blogs and apple.. 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 libraries..
Drawing a route in mapkit in iphone sdk http://stackoverflow.com/questions/2834523/drawing-a-route-in-mapkit-in-iphone-sdk between the google maps and the OSM maps used by cloudmade may make you want to use cloudmade maps all the way they have an equivalent to mapkit. p.s. Other mapping providers Google Bing etc may also provide equivalent data feeds I've just been looking at OSM Cloudmade recently. p.p.s. None of this is trivial newbie..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions about it's supported interface orientations nor is its frame set correctly. Only the first view controller bound to the window will be layed out correctly. Other people have suggested using a MasterViewController hooked up to the main window to which other controllers add their views as subviews instead of hooking directly..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints or destroy unused views Close any open Contexts as soon as you don't need them on receiving memory warnings release and reload the DocRef and any page Caches Other PDF Features Getting Links inside a PDF and here and here Understanding the PDF Rect for link positioning Converting PDF annot datestrings Getting the target of..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone search path SDKROOT usr include libxml2 Enable recursive option Add libxml2 library to to your project Menu Project Edit Project Settings Search for setting Other Linker Flags Add a new search flag lxml2 From hpple get the following source code files an add them to your project TFpple.h TFpple.m TFppleElement.h TFppleElement.m..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll UITableView tableView controller self.fetchedResultsController self.tableView self.searchDisplayController.searchResultsTableView tableView endUpdates Other view information void loadView super loadView UISearchBar searchBar UISearchBar alloc initWithFrame CGRectMake 0 0 self.tableView.frame.size.width 44.0 autorelease..
http://stackoverflow.com/questions/72288/learning-opengl-es-1-x by Paul Martz a good refresher on OpenGL basics iphone 3d opengl es share improve this question There is some documentation in iPhone SDK itself. Other than that just take what you know about OpenGL or learn that via other means and forget about all things that are old cruft display lists immediate mode things..
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 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. BOOL connectedToInternet.. Note The Reachability class is one of the most used classes in projects so you might run into naming conflicts with other projects like ShareKit. If this happens you'll have to rename one of the pairs of Reachability.h and Reachability.m files..
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 will open the App Store on the device The Leave me alone button sets the cookie to false and closes the modal The other option I've played with but found a little clunky was to do the following in Javascript setTimeout function window.location..
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 that brings up a keyboard. I need it to be able to Allow scrolling of the contents of the UIScrollView to see the other text fields once the keyboard is brought up Automatically jump by scrolling up or shortening I know that I need a UIScrollView.. I'm still unable to scroll the textboxes up or down. Do I need both 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..
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
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone for an NSString on the iPhone Can anybody point me in the right direction to be able to encrypt a string returning another string with the encrypted data I've been trying with AES256 encryption. I want to write a method which takes two NSString.. encryption. I want to write a method which takes two NSString instances one being the message to encrypt and the other being a 'passcode' to encrypt it with I suspect I'd have to generate the encryption key with the passcode in a way that..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone BOOL animated shakeView resignFirstResponder super viewWillDisappear animated Don't forget that if you have other views that become first responder from user actions like a search bar or text entry field you'll also need to restore the..
http://stackoverflow.com/questions/158914/cropping-a-uiimage larger than the bounds of my image context. I was hoping this was Kosher but am I instead attempting to draw over other memory that I shouldn't be touching Theory 2 I'm doing all of this in a background thread. I know there are portions of..
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c notification notification name should always be @ TestNotification unless you use this method for observation of other notifications as well. if notification name isEqualToString @ TestNotification NSLog @ Successfully received the test notification.. isEqualToString @ TestNotification NSLog @ Successfully received the test notification @end ... somewhere else in another class ... void someMethod All instances of TestClass will be notified NSNotificationCenter defaultCenter postNotificationName..
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 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.. Molecules for which the source code is available handles the .pdb and .pdb.gz file types if received via email or in another supported application. To register support you will need to have something like the following in your Info.plist key CFBundleDocumentTypes.. archive string array dict array Two images are provided that will be used as icons for the supported types in Mail and other applications capable of showing documents. The LSItemContentTypes key lets you provide an array of Uniform Type Identifiers..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 you from doing what he's done it simply will not work due to the Documented change in how Xcode processes targets Another SO questioner asked how to do it WITHOUT xcode and with responses that focussed on the arm6 vs arm7 part but ignored the.. it converts your library into a Framework . RECENT CHANGES Info on how to use this script with a project embedded in another project although I highly recommend NOT doing that ever Apple has a couple of show stopper bugs in Xcode if you embed projects.. recommend NOT doing that ever Apple has a couple of show stopper bugs in Xcode if you embed projects inside each other from Xcode 3.x through to Xcode 4.6.x Bonus script to let you auto include Bundles i.e. include PNG files PLIST files etc..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints have any insights no matter how small or obvious to improve the performance memory handling of Drawing PDF's or any other issues discussed here EDIT Some Tips Credit Luke Mcneice VdesmedT Matt Gallagher Johann Save any media to disk when you.. Use larger tileSizes if rendering on TiledLayers init frequently used arrays with placeholder objects alternitively another design approach is this one Note that images will render faster than a CGPDFPageRef Use NSOperations or GCD Blocks to prepare..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c share improve this question An Objective C delegate is just an object that has been assigned as a delegate of another. There's no special process for creating them you simply define a class that implements the delegate methods you're interested.. from NSWindow.h @interface NSObject NSWindowNotifications void windowDidMove NSNotification notification ... other methods here @end You would then use respondsToSelector as described above when calling this method. Delegates simply implement.. look like this @protocol NSWindowNotifications NSObject @optional void windowDidMove NSNotification notification ... other methods here @end This is analogous to an interface or abstract base class as it creates a special type for your delegate..
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 intrusive and from my experience the best. The best way I have found to achieve this is with a Gesture Recognizer. Other ways turn out to involve a lot of hackish programming that imperfectly duplicates Apple's code. Here's what I do Implement..
Categories in static library for iPhone device 3.0 http://stackoverflow.com/questions/1147676/categories-in-static-library-for-iphone-device-3-0 for iPhone device 3.0 I have categories in my static library. Any application developer should set ObjC flag to Other Linker Flags to use my static library properly. It works fine for iPhone device iPhone Simulator 2.x and iPhone Simulator.. within the Core Plot framework . All I can say is that for us we were able to add the all_load option to the Other Linker Flags within the target application and that did away with the runtime errors. We didn't see any warnings for duplicate..
Autorotate a single UIViewController in iOS 6 with UITabBar http://stackoverflow.com/questions/12551247/autorotate-a-single-uiviewcontroller-in-ios-6-with-uitabbar return YES NSInteger supportedInterfaceOrientations return UIInterfaceOrientationMaskAllButUpsideDown Edit Other solution is to implement this method inside AppDelegate NSUInteger application UIApplication application supportedInterfaceOrientationsForWindow..
Adding Core Data to existing iPhone project http://stackoverflow.com/questions/2032818/adding-core-data-to-existing-iphone-project header in the files you need them. So open up Xcode and look for some file like App_Prefix.pch by default it's in the Other Sources group. After the UIKit import statement add the following line #import CoreData CoreData.h And you should be ready..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library itself and click the project in the Project Navigator click your app's target then build settings then search for Other Linker Flags click the button and add ' ObjC'. ' all_load' and ' force_load' are no longer needed. Details I found some.. 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..
Drawing a route in mapkit in iphone sdk http://stackoverflow.com/questions/2834523/drawing-a-route-in-mapkit-in-iphone-sdk OSM maps used by cloudmade may make you want to use cloudmade maps all the way they have an equivalent to mapkit. p.s. Other mapping providers Google Bing etc may also provide equivalent data feeds I've just been looking at OSM Cloudmade recently...
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions nor is its frame set correctly. Only the first view controller bound to the window will be layed out correctly. Other people have suggested using a MasterViewController hooked up to the main window to which other controllers add their views..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints Contexts as soon as you don't need them on receiving memory warnings release and reload the DocRef and any page Caches Other PDF Features Getting Links inside a PDF and here and here Understanding the PDF Rect for link positioning Converting PDF..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone Enable recursive option Add libxml2 library to to your project Menu Project Edit Project Settings Search for setting Other Linker Flags Add a new search flag lxml2 From hpple get the following source code files an add them to your project TFpple.h..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll self.fetchedResultsController self.tableView self.searchDisplayController.searchResultsTableView tableView endUpdates Other view information void loadView super loadView UISearchBar searchBar UISearchBar alloc initWithFrame CGRectMake 0 0 self.tableView.frame.size.width..
http://stackoverflow.com/questions/4543582/how-to-use-gdata-in-iphone and set the following settings. Header Search Paths usr include libxml2 .. gdata objectivec client 1.9.1 Source Other Linker Flags lxml2 ObjC For the Debug build configuration only add the Other C Flags setting so that the library ™s debug.. .. gdata objectivec client 1.9.1 Source Other Linker Flags lxml2 ObjC For the Debug build configuration only add the Other C Flags setting so that the library ™s debug only code is included Other C Flags DDEBUG 1 Step 5 Now be sure that the downloaded.. For the Debug build configuration only add the Other C Flags setting so that the library ™s debug only code is included Other C Flags DDEBUG 1 Step 5 Now be sure that the downloaded source code is in the same directory in which your actual Code Folder..
http://stackoverflow.com/questions/6851660/version-vs-build-in-xcode-4 a 1.0.0 release. Release 1.0.1 might be build 578. Release 1.1.0 might be build 694. Release 2.0.0 might be build 949. Other developers including Apple have a Build number comprised of a major version minor version number of builds for the release...
http://stackoverflow.com/questions/72288/learning-opengl-es-1-x OpenGL basics iphone 3d opengl es share improve this question There is some documentation in iPhone SDK itself. Other than that just take what you know about OpenGL or learn that via other means and forget about all things that are old cruft..
How to resolve 'unrecognized selector sent to instance'? http://stackoverflow.com/questions/861626/how-to-resolve-unrecognized-selector-sent-to-instance ClassA alloc init exception occurs here. downloadUrl is of type NSCFNumber classA.downloadUrl @ http www.abc.com ... Other classes in the app will get a reference to the delegate and call classA.downloadUrl. objective c iphone cocoa touch memory..
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 PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM DAMAGES OR OTHER LIABILITY WHETHER IN AN ACTION OF CONTRACT TORT OR OTHERWISE ARISING FROM OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE.. OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM DAMAGES OR OTHER LIABILITY WHETHER IN AN ACTION OF CONTRACT TORT OR OTHERWISE ARISING FROM OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #import Foundation.. IN AN ACTION OF CONTRACT TORT OR OTHERWISE ARISING FROM OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #import Foundation Foundation.h extern NSString const APIKey @interface NetworkClient NSObject..
SFHFKeychainUtils. iOS keychain. ARC compatible http://stackoverflow.com/questions/7663443/sfhfkeychainutils-ios-keychain-arc-compatible PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM DAMAGES OR OTHER LIABILITY WHETHER IN AN ACTION OF CONTRACT TORT OR OTHERWISE ARISING FROM OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE.. OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM DAMAGES OR OTHER LIABILITY WHETHER IN AN ACTION OF CONTRACT TORT OR OTHERWISE ARISING FROM OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #import UIKit UIKit.h.. IN AN ACTION OF CONTRACT TORT OR OTHERWISE ARISING FROM OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #import UIKit UIKit.h @interface SFHFKeychainUtils NSObject NSString getPasswordForUsername NSString..
iOS - Linker Error, Duplicate Symbol http://stackoverflow.com/questions/9881721/ios-linker-error-duplicate-symbol label.font UIFont fontWithName @ AGaramondPro Regular size 12.0 if section 0 label.text @ BUS ROUTES else label.text @ OTHER OPTIONS sectionView addSubview label return sectionView CGFloat tableView UITableView tableView heightForHeaderInSection..
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