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2014/10/15 ¤U¤È 10:10:14
iphone Programming Glossary: implementationHow to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects MapViewWithTouches MKMapView void touchesBegan NSSet touches withEvent UIEvent event @end And the implementation #import MapViewWithTouches.h @implementation MapViewWithTouches void touchesBegan NSSet touches withEvent.. NSSet touches withEvent UIEvent event @end And the implementation #import MapViewWithTouches.h @implementation MapViewWithTouches void touchesBegan NSSet touches withEvent UIEvent event NSLog @ hello super touchesBegan.. 10 31 10. Copyright 2010 Floatopian LLC. All rights reserved. #import WildcardGestureRecognizer.h @implementation WildcardGestureRecognizer @synthesize touchesBeganCallback id init if self super init self.cancelsTouchesInView..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults any errors. Perhaps I'm missing something basic and I'm just too tired but we'll see. Here is the implementation of my Custom class Player @interface Player NSObject NSString name NSNumber life Log of player's life.. input string void setLife NSNumber input number @end Implementation File #import Player.h @implementation Player id init if self super init self setName @ Player Name self setLife NSNumber numberWithInt 20.. Player obj Player loadCustomObjectWithKey NSString key @end And then the important parts of the implementation file #import MagicApp201AppDelegate.h #import MainViewController.h #import Player.h @implementation..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone inexperienced iPhone developer whether anyone could recommend an approach and a suitable JSON implementation for the iPhone which would allow me to 1 convert the core data records into a JSON string whilst maintaining.. NSString json withManagedObjectContext NSManagedObjectContext moc And the implementation is as follows NSDictionary dataStructureFromManagedObject NSManagedObject managedObject NSDictionary..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library class with categories the linker does not know to associate the object code of the core class implementation and the category implementation. This prevents objects created in the resulting application from responding.. does not know to associate the object code of the core class implementation and the category implementation. This prevents objects created in the resulting application from responding to a selector that is defined.. setting all_load or ObjC flag. He just add to category h m files empty dummy class interface implementation to force linker use this file. And yes this trick do the job. But author also said he even not instantiated..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c Whatever NSString myStringProperty @property nonatomic copy NSString myStringProperty In the implementation @synthesize myStringProperty But in almost every example it is done like In the header @interface Whatever.. Whatever NSString _myStringProperty @property nonatomic copy NSString myStringProperty In the implementation @synthesize myStringProperty _myStringProperty Should I get over my aversion to the underscore because.. explicit IMO. @interface Foo NSObject 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..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file situation depending on the formatting layout needs of your PDF. EDIT response to 1st comment My implementation is part of a commercial product meaning that I can't share the full code but I can give a general outline.. view else if view isKindOfClass UIView class self addContainer view As an example here's my implementation of addImageView HPDF_ functions are from libHaru void addImageView UIImageView imageView NSData pngData..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll NSInteger savedScopeButtonIndex @property nonatomic BOOL searchWasActive relevent bits of the implementation file @interface BlahViewController @property nonatomic retain NSFetchedResultsController fetchedResultsController.. release NSError error nil if aFetchedResultsController performFetch error Replace this implementation with code to handle the error appropriately. abort causes the application to generate a crash log and..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers way to do this Give that we can only have one delegate set at a time in an object what would the implementation look like for when the lecturer says Define a generic interface for observers like delegation . A pseudocode.. In other words BookPickerViewController DEPENDS on the BookWarehouse object. Don't do this @implementation BookPickerViewController void doSomething I need to do something with the BookWarehouse so I'm going.. warehouse BookWarehouse getSingleton ... Instead the dependencies should be injected like this @implementation BookPickerViewController void initWithWarehouse BookWarehouse warehouse myBookWarehouse is an instance..
Tab bar controller inside a navigation controller, or sharing a navigation root view http://stackoverflow.com/questions/576764/tab-bar-controller-inside-a-navigation-controller-or-sharing-a-navigation-root lets you drill down further the subsequent levels don't show the tab bar . So this seems like the implementation hierarchy is UINavigationController Accounts UITableViewController UITabBarController Tweets UITableViewController..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers viewController didChooseValue CGFloat value @end In the child view controller's implementation call the delegate methods as required. ChildViewController.m #import ChildViewController.h @implementation.. call the delegate methods as required. ChildViewController.m #import ChildViewController.h @implementation ChildViewController void handleCloseButton id sender Our delegate method is optional so we should check.. UITableViewController ChildViewControllerDelegate @end In the parent view controller's implementation implement the delegate methods appropriately. RootViewController.m #import RootViewController.h @implementation..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature and the added import. Added This is what I've come up with so far seems to work in all scenarios @implementation BNSDateFormatter id init static NSLocale en_US_POSIX nil NSDateFormatter me super init if en_US_POSIX.. Locale id initWithSafeLocale @end Category m file #import NSDateFormatter Locale.h @implementation NSDateFormatter Locale id initWithSafeLocale static NSLocale en_US_POSIX nil self super init if en_US_POSIX.. even if the answer isn't really useful in my case. A curious observation Modified the category implementation slightly #import NSDateFormatter Locale.h @implementation NSDateFormatter Locale id initWithSafeLocale..
Open source CoverFlow library for iPhone [closed] http://stackoverflow.com/questions/718984/open-source-coverflow-library-for-iphone Are there any open source CoverFlow like APIs or libraries available for the iPhone I've found one implementation that is licensed per application however I'd much prefer to go the open source route. Also I'm interested..
iPhone Data Usage Tracking/Monitoring http://stackoverflow.com/questions/7946699/iphone-data-usage-tracking-monitoring not using internet I still get value added to ifi_obytes and ifi_ibytes . May be I'm wrong in the implementation or understanding. Need someone to help me out. Edit Instead of AF_LINK I tried AF_INET sockaddr_in instead..
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 #import UIKit UIKit.h #import MapKit MapKit.h @interface MapViewWithTouches MKMapView void touchesBegan NSSet touches withEvent UIEvent event @end And the implementation #import MapViewWithTouches.h @implementation MapViewWithTouches void touchesBegan NSSet touches withEvent UIEvent event NSLog @ hello super touchesBegan touches.. @interface MapViewWithTouches MKMapView void touchesBegan NSSet touches withEvent UIEvent event @end And the implementation #import MapViewWithTouches.h @implementation MapViewWithTouches void touchesBegan NSSet touches withEvent UIEvent event NSLog @ hello super touchesBegan touches withEvent event @end But it looks like when.. WildcardGestureRecognizer.m Created by Raymond Daly on 10 31 10. Copyright 2010 Floatopian LLC. All rights reserved. #import WildcardGestureRecognizer.h @implementation WildcardGestureRecognizer @synthesize touchesBeganCallback id init if self super init self.cancelsTouchesInView NO return self void touchesBegan NSSet touches..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults crashes now and I'm not sure why because it doesn't give any errors. Perhaps I'm missing something basic and I'm just too tired but we'll see. Here is the implementation of my Custom class Player @interface Player NSObject NSString name NSNumber life Log of player's life Getting functions return the info NSString name int life id.. name int life id init These are the setters void setName NSString input string void setLife NSNumber input number @end Implementation File #import Player.h @implementation Player id init if self super init self setName @ Player Name self setLife NSNumber numberWithInt 20 self setPsnCounters NSNumber numberWithInt 0 return self NSString.. MainViewController mainViewController void saveCustomObject Player obj Player loadCustomObjectWithKey NSString key @end And then the important parts of the implementation file #import MagicApp201AppDelegate.h #import MainViewController.h #import Player.h @implementation MagicApp201AppDelegate @synthesize window @synthesize mainViewController..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone linked by a to many relationship . I was curious as a relatively inexperienced iPhone developer whether anyone could recommend an approach and a suitable JSON implementation for the iPhone which would allow me to 1 convert the core data records into a JSON string whilst maintaining the relationship between the entities and 2 convert.. NSArray managedObjects NSArray managedObjectsFromJSONStructure NSString json withManagedObjectContext NSManagedObjectContext moc And the implementation is as follows NSDictionary dataStructureFromManagedObject NSManagedObject managedObject NSDictionary attributesByName managedObject entity attributesByName NSDictionary..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library are only generated for each class. If you extend a pre existing class with categories the linker does not know to associate the object code of the core class implementation and the category implementation. This prevents objects created in the resulting application from responding to a selector that is defined in the category. And their.. If you extend a pre existing class with categories the linker does not know to associate the object code of the core class implementation and the category implementation. This prevents objects created in the resulting application from responding to a selector that is defined in the category. And their solution To resolve this issue.. blog. Author say he can use category from lib without setting all_load or ObjC flag. He just add to category h m files empty dummy class interface implementation to force linker use this file. And yes this trick do the job. But author also said he even not instantiated dummy object. Mm As I've found we should explicitly..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c Objective C this is what I naturally do. In the header @interface Whatever NSString myStringProperty @property nonatomic copy NSString myStringProperty In the implementation @synthesize myStringProperty But in almost every example it is done like In the header @interface Whatever NSString _myStringProperty @property nonatomic copy NSString.. in almost every example it is done like In the header @interface Whatever NSString _myStringProperty @property nonatomic copy NSString myStringProperty In the implementation @synthesize myStringProperty _myStringProperty Should I get over my aversion to the underscore because that is the one way it should be done is there a good reason.. Using the standard message passing syntax makes intent more explicit IMO. @interface Foo NSObject 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..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file for my needs. Again this may or may not make sense for your situation depending on the formatting layout needs of your PDF. EDIT response to 1st comment My implementation is part of a commercial product meaning that I can't share the full code but I can give a general outline I created a .xib file with a view and sized the view to.. isKindOfClass UIImageView class self addImageView UIImageView view else if view isKindOfClass UIView class self addContainer view As an example here's my implementation of addImageView HPDF_ functions are from libHaru void addImageView UIImageView imageView NSData pngData UIImagePNGRepresentation imageView.image if pngData nil..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll nonatomic copy NSString savedSearchTerm @property nonatomic NSInteger savedScopeButtonIndex @property nonatomic BOOL searchWasActive relevent bits of the implementation file @interface BlahViewController @property nonatomic retain NSFetchedResultsController fetchedResultsController @property nonatomic retain NSFetchedResultsController.. cacheName nil aFetchedResultsController.delegate self fetchRequest release NSError error nil if aFetchedResultsController performFetch error Replace this implementation with code to handle the error appropriately. abort causes the application to generate a crash log and terminate. You should not use this function in a shipping..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers when I am in a different UIViewController what is the right way to do this Give that we can only have one delegate set at a time in an object what would the implementation look like for when the lecturer says Define a generic interface for observers like delegation . A pseudocode example would be awfully helpful here if possible... between a model object BookWarehouse and the GUI view objects. In other words BookPickerViewController DEPENDS on the BookWarehouse object. Don't do this @implementation BookPickerViewController void doSomething I need to do something with the BookWarehouse so I'm going to look it up using the BookWarehouse class method comparable.. class method comparable to a global variable BookWarehouse warehouse BookWarehouse getSingleton ... Instead the dependencies should be injected like this @implementation BookPickerViewController void initWithWarehouse BookWarehouse warehouse myBookWarehouse is an instance variable myBookWarehouse warehouse myBookWarehouse retain..
Tab bar controller inside a navigation controller, or sharing a navigation root view http://stackoverflow.com/questions/576764/tab-bar-controller-inside-a-navigation-controller-or-sharing-a-navigation-root across the bottom. Each tab item shows a different list and lets you drill down further the subsequent levels don't show the tab bar . So this seems like the implementation hierarchy is UINavigationController Accounts UITableViewController UITabBarController Tweets UITableViewController Detail view of a tweet user etc Replies UITableViewController..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers NSObject void childViewController ChildViewController viewController didChooseValue CGFloat value @end In the child view controller's implementation call the delegate methods as required. ChildViewController.m #import ChildViewController.h @implementation ChildViewController void handleCloseButton id sender.. CGFloat value @end In the child view controller's implementation call the delegate methods as required. ChildViewController.m #import ChildViewController.h @implementation ChildViewController void handleCloseButton id sender Our delegate method is optional so we should check that the delegate implements it if self.delegate respondsToSelector.. UIKit.h #import ChildViewController.h @interface RootViewController UITableViewController ChildViewControllerDelegate @end In the parent view controller's implementation implement the delegate methods appropriately. RootViewController.m #import RootViewController.h @implementation RootViewController void tableView UITableView tableView..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature init method. Requires changing two lines the alloc init line and the added import. Added This is what I've come up with so far seems to work in all scenarios @implementation BNSDateFormatter id init static NSLocale en_US_POSIX nil NSDateFormatter me super init if en_US_POSIX nil en_US_POSIX NSLocale alloc initWithLocaleIdentifier @.. version h file #import Foundation Foundation.h @interface NSDateFormatter Locale id initWithSafeLocale @end Category m file #import NSDateFormatter Locale.h @implementation NSDateFormatter Locale id initWithSafeLocale static NSLocale en_US_POSIX nil self super init if en_US_POSIX nil en_US_POSIX NSLocale alloc initWithLocaleIdentifier.. in 21 hours it'll go to whoever makes the most effort to help even if the answer isn't really useful in my case. A curious observation Modified the category implementation slightly #import NSDateFormatter Locale.h @implementation NSDateFormatter Locale id initWithSafeLocale static NSLocale en_US_POSIX2 nil self super init if en_US_POSIX2..
Open source CoverFlow library for iPhone [closed] http://stackoverflow.com/questions/718984/open-source-coverflow-library-for-iphone source CoverFlow library for iPhone closed Are there any open source CoverFlow like APIs or libraries available for the iPhone I've found one implementation that is licensed per application however I'd much prefer to go the open source route. Also I'm interested in libraries that use only public APIs as using non public..
iPhone Data Usage Tracking/Monitoring http://stackoverflow.com/questions/7946699/iphone-data-usage-tracking-monitoring wanted to add that if I'm connected to a WiFi network but am not using internet I still get value added to ifi_obytes and ifi_ibytes . May be I'm wrong in the implementation or understanding. Need someone to help me out. Edit Instead of AF_LINK I tried AF_INET sockaddr_in instead of sockaddr_dl . This crashes the application. iphone..
How to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects MapKit.h @interface MapViewWithTouches MKMapView void touchesBegan NSSet touches withEvent UIEvent event @end And the implementation #import MapViewWithTouches.h @implementation MapViewWithTouches void touchesBegan NSSet touches withEvent UIEvent event.. void touchesBegan NSSet touches withEvent UIEvent event @end And the implementation #import MapViewWithTouches.h @implementation MapViewWithTouches void touchesBegan NSSet touches withEvent UIEvent event NSLog @ hello super touchesBegan touches withEvent.. by Raymond Daly on 10 31 10. Copyright 2010 Floatopian LLC. All rights reserved. #import WildcardGestureRecognizer.h @implementation WildcardGestureRecognizer @synthesize touchesBeganCallback id init if self super init self.cancelsTouchesInView NO return..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults it doesn't give any errors. Perhaps I'm missing something basic and I'm just too tired but we'll see. Here is the implementation of my Custom class Player @interface Player NSObject NSString name NSNumber life Log of player's life Getting functions.. void setName NSString input string void setLife NSNumber input number @end Implementation File #import Player.h @implementation Player id init if self super init self setName @ Player Name self setLife NSNumber numberWithInt 20 self setPsnCounters.. void saveCustomObject Player obj Player loadCustomObjectWithKey NSString key @end And then the important parts of the implementation file #import MagicApp201AppDelegate.h #import MainViewController.h #import Player.h @implementation MagicApp201AppDelegate..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone curious as a relatively inexperienced iPhone developer whether anyone could recommend an approach and a suitable JSON implementation for the iPhone which would allow me to 1 convert the core data records into a JSON string whilst maintaining the relationship.. NSArray managedObjectsFromJSONStructure NSString json withManagedObjectContext NSManagedObjectContext moc And the implementation is as follows NSDictionary dataStructureFromManagedObject NSManagedObject managedObject NSDictionary attributesByName managedObject..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library extend a pre existing class with categories the linker does not know to associate the object code of the core class implementation and the category implementation. This prevents objects created in the resulting application from responding to a selector.. categories the linker does not know to associate the object code of the core class implementation and the category implementation. This prevents objects created in the resulting application from responding to a selector that is defined in the category... category from lib without setting all_load or ObjC flag. He just add to category h m files empty dummy class interface implementation to force linker use this file. And yes this trick do the job. But author also said he even not instantiated dummy object...
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c In the header @interface Whatever NSString myStringProperty @property nonatomic copy NSString myStringProperty In the implementation @synthesize myStringProperty But in almost every example it is done like In the header @interface Whatever NSString _myStringProperty.. In the header @interface Whatever NSString _myStringProperty @property nonatomic copy NSString myStringProperty In the implementation @synthesize myStringProperty _myStringProperty Should I get over my aversion to the underscore because that is the one way.. makes intent more explicit IMO. @interface Foo NSObject 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..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file make sense for your situation depending on the formatting layout needs of your PDF. EDIT response to 1st comment My implementation is part of a commercial product meaning that I can't share the full code but I can give a general outline I created a .xib.. addImageView UIImageView view else if view isKindOfClass UIView class self addContainer view As an example here's my implementation of addImageView HPDF_ functions are from libHaru void addImageView UIImageView imageView NSData pngData UIImagePNGRepresentation..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll @property nonatomic NSInteger savedScopeButtonIndex @property nonatomic BOOL searchWasActive relevent bits of the implementation file @interface BlahViewController @property nonatomic retain NSFetchedResultsController fetchedResultsController @property.. self fetchRequest release NSError error nil if aFetchedResultsController performFetch error Replace this implementation with code to handle the error appropriately. abort causes the application to generate a crash log and terminate. You should..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers what is the right way to do this Give that we can only have one delegate set at a time in an object what would the implementation look like for when the lecturer says Define a generic interface for observers like delegation . A pseudocode example would.. and the GUI view objects. In other words BookPickerViewController DEPENDS on the BookWarehouse object. Don't do this @implementation BookPickerViewController void doSomething I need to do something with the BookWarehouse so I'm going to look it up using.. variable BookWarehouse warehouse BookWarehouse getSingleton ... Instead the dependencies should be injected like this @implementation BookPickerViewController void initWithWarehouse BookWarehouse warehouse myBookWarehouse is an instance variable myBookWarehouse..
Tab bar controller inside a navigation controller, or sharing a navigation root view http://stackoverflow.com/questions/576764/tab-bar-controller-inside-a-navigation-controller-or-sharing-a-navigation-root a different list and lets you drill down further the subsequent levels don't show the tab bar . So this seems like the implementation hierarchy is UINavigationController Accounts UITableViewController UITabBarController Tweets UITableViewController Detail..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers ChildViewController viewController didChooseValue CGFloat value @end In the child view controller's implementation call the delegate methods as required. ChildViewController.m #import ChildViewController.h @implementation ChildViewController.. implementation call the delegate methods as required. ChildViewController.m #import ChildViewController.h @implementation ChildViewController void handleCloseButton id sender Our delegate method is optional so we should check that the delegate.. @interface RootViewController UITableViewController ChildViewControllerDelegate @end In the parent view controller's implementation implement the delegate methods appropriately. RootViewController.m #import RootViewController.h @implementation RootViewController..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature the alloc init line and the added import. Added This is what I've come up with so far seems to work in all scenarios @implementation BNSDateFormatter id init static NSLocale en_US_POSIX nil NSDateFormatter me super init if en_US_POSIX nil en_US_POSIX NSLocale.. @interface NSDateFormatter Locale id initWithSafeLocale @end Category m file #import NSDateFormatter Locale.h @implementation NSDateFormatter Locale id initWithSafeLocale static NSLocale en_US_POSIX nil self super init if en_US_POSIX nil en_US_POSIX.. the most effort to help even if the answer isn't really useful in my case. A curious observation Modified the category implementation slightly #import NSDateFormatter Locale.h @implementation NSDateFormatter Locale id initWithSafeLocale static NSLocale en_US_POSIX2..
Open source CoverFlow library for iPhone [closed] http://stackoverflow.com/questions/718984/open-source-coverflow-library-for-iphone for iPhone closed Are there any open source CoverFlow like APIs or libraries available for the iPhone I've found one implementation that is licensed per application however I'd much prefer to go the open source route. Also I'm interested in libraries that..
iPhone Data Usage Tracking/Monitoring http://stackoverflow.com/questions/7946699/iphone-data-usage-tracking-monitoring WiFi network but am not using internet I still get value added to ifi_obytes and ifi_ibytes . May be I'm wrong in the implementation or understanding. Need someone to help me out. Edit Instead of AF_LINK I tried AF_INET sockaddr_in instead of sockaddr_dl..
RSA implementations in Objective C http://stackoverflow.com/questions/10222524/rsa-implementations-in-objective-c objective C that uses RSA Algorithm . I want to use it on Server Client Communications. I need help in RSA Algorithm Implementation in iOS iPhone. I have knowledge of encryption and decryption. I want an opensource library or code to add into my project... uint8_t plainBuffer uint8_t cipherBuffer uint8_t decryptedBuffer const char inputString This is a test demo for RSA Implementation in Objective C int len strlen inputString TODO this is a hack since i know inputString length will be less than BUFFER_SIZE..
Extracting a public key from key pair in key chain http://stackoverflow.com/questions/11467215/extracting-a-public-key-from-key-pair-in-key-chain same output for my public key for different key pairs instead of different public key bits for different key pairs . Implementation of my generateKeyPair and getPublicKeyBits Function I first create a key pair by calling generateKeyPairWithKeySizeInBits..
http://stackoverflow.com/questions/13511733/how-to-make-supplementary-view-float-in-uicollectionview-as-section-headers-do-i sure the H file has #import UIKit UIKit.h @interface YourSubclassNameHere UICollectionViewFlowLayout @end Inside the Implementation File make sure it has the following NSArray layoutAttributesForElementsInRect CGRect rect NSMutableArray answer super layoutAttributesForElementsInRect..
Objective-C check if subviews of rotated UIViews intersect? http://stackoverflow.com/questions/15710853/objective-c-check-if-subviews-of-rotated-uiviews-intersect BOOL view UIView view1 intersectsWith UIView view2 tests as described above if two arbitrary views intersect. Implementation void projectionOfPolygon CGPoint poly count int count onto CGPoint perp min CGFloat minp max CGFloat maxp CGFloat minproj..
Implementation of “Automatic Lightweight Migration” for Core Data (iPhone) http://stackoverflow.com/questions/2310216/implementation-of-automatic-lightweight-migration-for-core-data-iphone of &ldquo Automatic Lightweight Migration&rdquo for Core Data iPhone I would like to make my app able to do an automatic..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults name int life id init These are the setters void setName NSString input string void setLife NSNumber input number @end Implementation File #import Player.h @implementation Player id init if self super init self setName @ Player Name self setLife NSNumber..
How can i change the color of pagination dots of UIPageControl? http://stackoverflow.com/questions/2942636/how-can-i-change-the-color-of-pagination-dots-of-uipagecontrol @end @protocol PageControlDelegate NSObject @optional void pageControlPageDidChange PageControl pageControl @end Implementation file PageControl.m Replacement for UIPageControl because that one only supports white dots. Created by Morten Heiberg morten@heiberg.net..
UILabel touch and get the text where touched http://stackoverflow.com/questions/4373053/uilabel-touch-and-get-the-text-where-touched check out Apple's Text Web and Editing Guide specifically in the section titled A Guided Tour of a UITextInput Implementation . It discusses how you can create indexed positions in text and ask touches what text position they've landed nearest. Apple's..
Implementing Delegate Pattern in Objective-C http://stackoverflow.com/questions/455822/implementing-delegate-pattern-in-objective-c PDUrlHandlerDelegate void urlHandler PDUrlhandler urlHandler searchResultsFinishedLoading NSDictionary resultData @end Implementation void connectionDidFinishLoading NSURLConnection connection NSLog @ Fininshed Loading... resultData self parseJSON jsonData..
http://stackoverflow.com/questions/5251600/difference-between-accessing-a-property-via-propertyname-versus-self-property file @interface AppointmentListController UITableViewController UIFont uiFont @property nonatomic retain UIFont uiFont Implementation void viewDidLoad super viewDidLoad uiFont UIFont systemFontOfSize 14.0 VERSUS self.uiFont UIFont systemFontOfSize 14.0 thanks..
NSURLConnection download large file (>40MB) http://stackoverflow.com/questions/6215095/nsurlconnection-download-large-file-40mb I tried to download 36MB PDF file but but 16MB only downloaded. pls help me to know the reason how to fix it FYI Implementation File #import ZipHandlerV1ViewController.h @implementation ZipHandlerV1ViewController void dealloc super dealloc void didReceiveMemoryWarning..
Using MD5 hash on a string in cocoa? [duplicate] http://stackoverflow.com/questions/652300/using-md5-hash-on-a-string-in-cocoa
EXC_BAD_ACCESS when copying or retaining Block http://stackoverflow.com/questions/7111541/exc-bad-access-when-copying-or-retaining-block write the setter method myself. For example With Properties Header @property nonatomic copy void ^cancelledBlock void Implementation @sythesize cancelledBlock leads to EXC_BAD_ACCESS when setting cancelledBlock but if I do Header @property nonatomic copy.. to EXC_BAD_ACCESS when setting cancelledBlock but if I do Header @property nonatomic copy void ^cancelledBlock void Implementation @sythesize cancelledBlock saves me doing the getter as well void setCancelledBlock void ^ void aCancelledBlock if cancelledBlock..
How to create global functions in Objective-C http://stackoverflow.com/questions/7294176/how-to-create-global-functions-in-objective-c method in a static class Header #import Foundation Foundation.h @interface GlobalStuff NSObject void printTest @end Implementation #import functions.h @implementation GlobalStuff void printTest NSLog @ test Call using #import functions.h ... GlobalStuff.. ... GlobalStuff printTest The other option is to declare a global function instead of class Header void GSPrintTest Implementation #import Foundation Foundation.h #import functions.h void GSPrintTest NSLog @ test Call using #import functions.h ... GSPrintTest.. NSObject for your methods Header #import Foundation Foundation.h @interface NSObject GlobalStuff void printTest @end Implementation #import functions.h @implementation NSObject GlobalStuff void printTest NSLog @ test @end Call using #import functions.h..
AudioQueue how to find out playback length of queued data http://stackoverflow.com/questions/7375309/audioqueue-how-to-find-out-playback-length-of-queued-data andFileType NSString ext gets next chunk that corresponds to seconds of audio NSData getNextDataChunk int seconds @end Implementation #import MusicChunker.h void ReportAudioError OSStatus statusCode @implementation MusicChunker id init self super init if..
Incorrect number of objects getting added to mutable array http://stackoverflow.com/questions/9091647/incorrect-number-of-objects-getting-added-to-mutable-array return 8 NSInteger tableView UITableView atableView numberOfRowsInSection NSInteger section int arr 1 return arr Implementation of height for row at index path CGFloat tableView UITableView atableView heightForRowAtIndexPath NSIndexPath indexPath float..
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