My desktop app connects to a web application that's hosted on Google App engine. Once it authenticates it gets an authtoken cookie that it passes along for all future requests. That all works. But now I want to add "Sign out". I’ve tried to implement Sign Out like this: - (void)signOut { NSHTTPCookieStorage *cookieStorage = [NSHTTP...
Hi I'm trying to iterate over a collection of objects and create an annotation for each object as seen in this code, but at the closing } of the for loop i get this error Selector element does not have valid object type. What does this mean? for (POI myPOI in appDelegate.pois){ CLLocationCoordinate2D location; location.l...
Hi all I have a PDF document that has an owner password set but no user password. Therefore it is encrypted. I know the owner password and want to use PDFKit to confirm when the document has been decrypted. I have used the PDFDocument unlockWithPassword method which returns YES when the file is unlocked. However this method also retur...
Is it possible to display 1000.99 as 1,000.99 using [NSString stringWithFormat:@"£%0.2f", 1000.99] Please guide me if I am not on the right track to achieve this? ...
So I've made easy math programs with C before, but my task at hand is a bit complex for where my knowledge is at the moment. I need to take the calculator found here (calculator: http://ohts.wustl.edu/risk/calculator.html, appendix which covers it a bit: http://ohts.wustl.edu/risk/formula.html) and program it into a ObjC program. I'm ha...
I have gone through following link http://zachwaugh.com/2009/03/programmatically-retrieving-ip-address-of-iphone/ & I have also tried this one ( but this isn't recognized by apple ) http://appsamuck.com/day4.html Oke let me specify what is my need .. . .. I just want that when user tap on "wifi" button. Reports stored in documents...
I have a UIImagePickerController subclass, and I would like to detect when the user presses the "retake" button. Is that possible... what delegate method gets called? I looked at the docs but I can't find anything: http://developer.apple.com/iphone/library/documentation/UIKit/Reference/UIImagePickerControllerDelegate%5FProtocol/UIImage...
I have basic C knowledge. I am trying to learn iPhone App Development. Should I first learn ObjC for Mac, using the book by Stephen G. Kochan, then move to transforming these principles to iPhone Dev? Or would learning ObjC without specific iPhone app tutorials first confuse me later when I try to move my ObjC knowledge to iPhone App de...
Hi, In a very small number of cases in my iphone app, I get a crash after the for loop in the code below: ABAddressBookRef addressBookInit = ABAddressBookCreate(); CFMutableArrayRef abContacts = (CFMutableArrayRef)ABAddressBookCopyArrayOfAllPeople(addressBookInit); // get array of all contacts CFArraySortValues (abContacts, CFRangeMake...
I'd like to do several things to a MP4 video, but I am not sure where to start. Some things I'd like to do: - Change the color of the video to Black & White, Sepia, etc. - Add animations, such as fade in, fade out, custom images/text moving around - Embed text into the video Essentially, the basic features of a video editing program....
UPDATED: I'm now overriding the NSView keyUp method from a NSView subclass set to first responder like below, but am still not seeing evidence that it is being called. @implementation svsView - (BOOL)acceptsFirstResponder { return YES; } - (void)keyUp:(NSEvent *)event { //--do key up stuff-- NSLog(@"key up'd!"); } @end --OR...
This is probably obvious, but I'm a bit of a newbie and have spent hours trying to figure this out. In viewDidLoad() I have a call to a function on an MGTwitterEngine object (custom object), with an input. If the request (to Twitter, in this case) is successful, it calls an appropriate delegate method. In viewDidLoad(), it's like thi...
I am making an Cocoa app with custom interfaces. So far I have implemented one version of the app using CALayer doing the rendering, which has been great given the hierarchical structure of CALayers, and its [hitTest:] function for handling mouse events. In this early version, the model of the app are my custom classes. However, as the ...
What is the most efficient/recommended way of comparing two NSDates? I would like to be able to see if both dates are on the same day, irrespective of the time and have started writing some code that uses the timeIntervalSinceDate: method within the NSDate class and gets the integer of this value divided by the number of seconds in a da...
I've got a simple application with two entities: Person: Attributes: name Relationships: nativeLanguage: (<<-> Language.natives) nonNativeLanguage: (<<-> Language.nonNatives) Language: Attributes: name Relationships: natives: (<->> Person.nativeLanguage) nonNatives: (<->> Person.nonNativeLanguage) On the ed...
Hello all, I have a view (splash screen) which displays for two minutes: - (void)applicationDidFinishLaunching:(UIApplication *)application { [viewController showSplash]; } - (void)showSplash // Show splash screen { UIViewController *modalViewController = [[UIViewController alloc] init]; modalViewController.view = modelView; [se...
I have an NSWindow which I use to create new records. After pressing the Add button, a certain method is called in which I do the following: - (IBAction)addActionAddSheet:sender { NSManagedObjectContext *moc = [self managedObjectContext]; NSManagedObject *newObject = [NSEntityDescription insertNewObjectForEntityForName:@"Recipe" inM...
System(); is able to call a program in PATH. How is it possible to send stdin read from e.g. a text field on a GUI to a command line program such as ftp, sftp ... with their own prompts? System() waits for a program to quit, but ftp does not without user interaction. It's also not possible to create a batch file since it's read only one ...
Hi, How to insert items into NSArray object in C# (Monotouch)? I don't find appropriate method to do so? In Objective-C side, there is a constructor called "initWithObjects" but I don't find this on C# side. pom ...
I'm writing a program with a UITableView with and add button in the Navigation Bar which leads to an edit page. When you click on an item in the table, a view (rView) is pushed with information pertaining to that item. This view has an edit button that also leads to the edit page. Is there a way that I could put an if statement for the ...