objective-c

PDFContext and Registration color

Hello. If there a way to set the "registration color" (all components 100%) in the CGPDFContext? Context deals with this color in source and target documents (I can open a PDF, re-save it and registration color is preserved), but I can't find a way to draw a line or fill a rect with this color. I have played a lot with NSColor and color...

Add a new iPhone View above everything, including the navigation bar

Hey, In an application I'm developing, everything starts from a navigation controller, which then loads up several pages. My question is, how can I load up a new view ABOVE this? The closest I've got is to do this in the App Delegate: - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launch...

How sort objects parsed from XML..

so I want to parse an xml and display (in a UITableView) the "subjects" in ascending order depending on "lessons" XML: <parfumeo_kkn> <tt_timetable> <id>1015</id> <day>1</day> <class_id>98</class_id> <lesson>9</lesson> <teacher>bt</teacher> <room>V1.2</room> <subject>M</subject> <pr_id>54</pr_id> </tt_ti...

UITabBarController item with diffrent width than others

hi is there a way to give one tabbaritem in UITabBarController more width then the others. by default they are all sized the same. thanks Alex ...

NSNotifcation for UIMenuControllerWillShowMenuNotification

I am trying to listen for UIMenuController Notification in iphone sdk 3.0 . But it seems that my notification can never get called. Here is my code: [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(menuControllerWillShow:) name:UIMenuControllerWillShowMenuNotification object:nil]; and my method - (void)m...

How to get the location of the user folders on Mac OS X using Objective-C

How to get the location of the file in mac os using objective c? /Users/objc/Downloads/x.pdf Any foundation classes for this? please give me some sample code. ...

NSPredicate problem with column name

I am trying to query a table using NSPredicate. Here is essentially what I'm doing: NSNumber *value = [NSNumber numberWithInteger: 2]; NSString *columnName = @"something_id"; NSLog(@"%@ == %@", columnName, value); NSPredicate *refQuery = [NSPredicate predicateWithFormat: @"%@ == %@", columnName, value]; NSLog prints out what I expect...

Where is my variable ? objective-c

I initialize a view(Image) through: Image *myImageView = [[Image alloc]init]; myImageView.myId = randomImageNumber; [myImageView initWithImage:myImage]; At the Image class I do a Log(LOG1) and get the previously set randomImageNumber. Later on, in the very same Class, I do a second Log(LOG2). Why does my second log have no va...

How to release object passed to protocol or delegate method in Objective-c?

How and when is released IndexPath object which is returned in UITableViewDelegate? let's imagine code: //my method in my object { NSNumber *number=[[NSNumber alloc] init]; number=[[self methodreturningnumber] retain]; [delegate didSelectItemAtIndex:number]; } in my delegate I have method: -(void)didSelectItemAtIndex:(N...

Using xcode, how do you split NSString into component parts

Hi! In XCode, if I have an NSString containing a number, ie @"12345", how do I split it into an array representing component parts, ie "1", "2", "3", "4", "5"... There is a componentsSeparatedByString on the NSString object, but in this case there is no delimiter... Any help is much appreciated! Graham ...

Get instance name of sender in objective-C

I want to get the name of a sender in Objective-C. For example, below I have a method which is called by an instance of UISlider in Interface Builder, I want to know what the instance name of it is so I can later add conditional blocks to the method for which instance of UISlider called the method. e.g. -(IBAction)sliderChanged:(UISlid...

adding disclosre buttons to mapview annotations

i know its been asked before lots of times, but i just cant seem to get it. i have my map drawn, i have annotations added, and i would like to add disclosure buttons to the annotations. i am adding the annotations from an array in my viewdidload method by pulling in from a text file NSURL *dataUrl = [NSURL URLWithString:@"http://nne.ez...

How can I pass a string to a C function from Objective-C and get a value back?

I have an Objective-C view controller class, from which I am trying to call a straight-C (not Objective-C) function. I want to pass in a string variable by reference, set its value inside the C function, and then back in my view controller I want to convert this to a normal NSString object. Since I can't pass in an NSString object dire...

Managing arrays with NSArrayController

Hi, guys. I'm having trouble when managing arrays that are content of another array. : / I have the plist shown below as an ivar called tools on my Manager class: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"&gt; <plist version="1.0"> <array...

TouchJSON with basic HTTP authentication

Hello there, I was wondering if anyone has the TouchJSON framework working in conjunction with basic apache HTTP authentication. Essentially the directory of the RESTful webservice that I am calling is secured with basic http authentication. My calls are obviously all returning null now. Has anyone managed to get this working? I could e...

adding textfield,label above the uitableview..

Hello all, How to design a tableview similar contact application in iphone......... ...

Submit a form with 2 submit buttons

Hello, a website has 2 textareas and 2 submit-type buttons. Both textareas are simple text <input type=text name=to class="text" value="" maxlength=20>. One button is send button <input type=submit name=s value="Send"> another is erase <input type=submit name=reset value="Erase" onclick="eras=1;"> . Is it somehow possible to replace th...

Custom UITableViewCell erroring

Hello stackoverflow, I am trying to build a custom table view using a cell that I built in IB. I am getting a strange error: <BroadcastViewController 0x4b4f5f0> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key postText. Everything is wired up correctly in IB to the cell controller. Not really s...

What is the point in a retain immediately followed by an autorelease?

I'm looking at some open source code and trying to understand why the author has done something in a particular way. The class is a wrapper around NSArray to create a stack data structure with push, pop, etc. One method is topObject which returns the topmost object on the stack and its implementation is: - (id)top { return [[[stac...

Can int value be assigned to id type + Objective c

Hi all, I want to know if this assignment is correct id var = 9; Will var be assigned the value 9 or do we have to wrap in some wrapper class like NSNumber? ...