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  • Problem declaring and calling internal metthods

    - by Martin
    How do I declare and use small helper functions inside my normal methods ? In on of my objective-c methods I need a function to find an item within a string -(void) Onlookjson:(id) sender{ NSString * res = getKeyValue(res, @"Birth"); } I came up with a normal C type declaration for helper function getKeyvalue like this NSString * getKeyvalue(NSString * s, NSString key){ NSString *trm = [[s substringFromIndex:2] substringToIndex:[s length]-3]; NSArray *list = [trm componentsSeparatedByString:@";"]; .... NSString res; res = [list objectAtIndex:1]; ... return res; } Input data string: { Birth = ".."; Death = "..."; ... } Anyway I get an exception "unrecognized selector sent to instance" for any of the two first lines in the helper function How do I declare helper functions that are just to be used internally and how to call them safely ? regards Martin

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  • How to expand and collapse parts of NSSplitView programatically?

    - by cocoafan
    Hi, I want to replace RBSplitView with NSSplitView in my existing project. The application is now leopard only and I would like to replace RBSplitView with the new NSSplitView shipped with Leopard. However, I'm missing RBSplitView's handy methods expand and collapse in NSSplitView. How can I expand and collapse parts of NSSplitView programatically?

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  • Reverse geocode street name and city as text

    - by Taylor Satula
    Hello, I have been having some trouble finding a good way to output just the street name and city as text (Infinite Loop, Cupertino shown here) that can be displayed in my iPhone app. This needs to be able to dynamically change as you change streets and city. I don't have the slightest idea of how to do this, I hope someone can help. I have attached a very rough image of what I am trying to acheave. I have found this (http://code.google.com/apis/maps/documentation/javascript/services.html#Geocoding) for google maps about how to reverse geocode using javascript, but what I do not understand is how this would be done in a iPhone development setting. I work in web design and I see how it would be done in HTML but I am very new to iPhone development and don't have the slightest clue of how it would be done here. If someone could spell out how to do this I would be extremely grateful. I cannot seem to find what I am looking for by searching Google. Reference picture: http://www.threepixeldrift.com/images/deep-storage/reversegeocodeiphoneapp.jpg

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  • Problem autosizing second view

    - by Ruthy
    Hello, Once a view is called from appdelegate, it is properly loaded but not autosized correctly, on the bottom you see last lines from previous view! On xib file, view mode property is set to scale to fill but I tried others and still happening the same... Thanks for any idea to solve it!

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  • How can I use a single UIToolbar with multiple different UIViewControllers?

    - by Aeonaut
    I have a simple app with two basic screens, a UIMapView and a UITableView. I'd like to have a toolbar at the bottom with a couple of buttons and a UISegmentedControl with two segments: "Map" and "Table". (The layout is similar to the Google Maps app that ships with the iPhone.) How can I keep the same toolbar while presenting either the UIMapView (with a UIMapViewController) or the UITableView (with a UITableViewController) when the user switches back and forth on the segmented control? Of course, I can just create an identical toolbar for each of the two different views and display them separately, but is there a better way?

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  • Objective-C++ Memory Problem

    - by Stephen Furlani
    Hello, I'm having memory woes. I've got a C++ Library (Equalizer from Eyescale) and they use the Traversal Visitor Pattern to allow you to add new functionality to their classes. I've finally figured out how it works, and I've got a Visitor that just returns the properties from one of the objects. (since I don't know how they're allocated). so. My little code does this: VisitorResult AGLContextVisitor::visit( Channel* channel ) { // Search through Nodes, Pipes until we get to the right window. // Add some code to make sure we find the right one? // Not executing the following code as C++ in gdb? eq::Window* w = channel->getWindow(); OSWindow* osw = w->getOSWindow(); AGLWindow* aw = (AGLWindow *)osw; AGLContext agl_ctx = aw->getAGLContext(); this->setContext(agl_ctx); return TRAVERSE_PRUNE; } So here's the problem. eq::Window* w = channel->getWindow(); (gdb) print w 0x0 BUT If I do this: (gdb) set objc-non-blocking-mode off (gdb) print w=channel->getWindow() 0x300effb9 // an honest memory location, and sets w as verified in the Debugger window of XCode. It does the same thing for osw. I don't get it. Why would something work in (gdb) but not in the code? The file is completely a cpp file, but it seems to be running in objc++, since I need to turn blocking off. Help!? I feel like I'm missing some memory-management basic thing here, either with C++ or Obj-C. [edit] channel-getWindow() is supposed to do this: /** @return the parent window. @version 1.0 */ Window* getWindow() { return _window; } The code also executes fine if I run it from a C++-only application. [edit] No... I tried creating a simple stand-alone program since I was tired of running it as a plugin. Messy to debug. And no, it doesn't run in the C++ program either. So I'm really at a loss as to what I'm doing wrong. Thanks, -- Stephen Furlani

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  • How to change format of date/time?

    - by 4thSpace
    I have this date and time format: 2010-05-19 07:53:30 and would like to change it to: Wednesday @ 7:53PM 5/19/2010 I'm doing this, which gets the current format: NSDateFormatter *formatter = [[NSDateFormatter alloc] init]; formatter.dateFormat = @"yyyy-MM-dd HH:mm:ss"; but when I change the format, I end up with a null. For example: formatter.dateFormat = @"hh:mm tt MM-dd-yyyy"; date = [formatter stringFromDate:formattedDate]; date will be null. I want to put the end result into an NSString. It would be nice if time and date could come out as separate properties so I can arrange them however I like. Any ideas on how I can change the formatting?

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  • Custom cell and Delete/Move indicators

    - by Kamchatka
    Hello, I have a custom UITableViewCell. However, when I got in edit mode, I don't have any Delete and Move indicators appearing. The custom cell draws itself in the contentView. In layoutSubviews, I make sure there is space on the left and one the right of the contentView so that the controls can appear (if this was the problem). - (void)layoutSubviews { self.contentView.frame = CGRectMake(50, 0, self.frame.size.width - 100, sub.thumbnail.size.height + 20); } In the UITableViewController, I return YES in: - (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath { How could I solve this lack of interactivity. Is there something specific for custom cells? Thanks!

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  • Making skype like token field for adding users to a chat

    - by Miraaj
    Hi all, In Mac, in skype when we add users to an existing chat, by clicking '+' button on top, a beak like window appears carrying a token field like control. When an user types some name in it and a match is found then a list appears carrying user icon , status icon and his/her name. Also the width of dynamic list is same as beak window. Can any one suggest some way to create similar control? Thanks in advance, Miraaj

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  • TabBar / "More View Controller" - Possible to have icons in colors other than black?

    - by Malakim
    Hi, Is it possible to have the icons in a TabBar and / or the "More navigation controller" be in colors other than grey and black? I tried changing the color of the icon I set for the view controller using UITabBarItem's - (id)initWithTitle:(NSString *)title image:(UIImage *)image tag:(NSInteger)tag method. My client thinks the interface is too dark and want's to brighten it up with some colorful icons... Thanks!

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  • Download and Archive Web Pages on the iPhone

    - by Stefan
    Hi, how do I download and archive full web pages (HTML, CSS, JS, images) on the iPhone? I know how to download the single files. But is there any existing approach to get all files (e.g. all included javascripts), which are linked with a particular web page?

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  • GameKit Bluetooth Transfer Problem

    - by David Schiefer
    Hi, I am trying to send a file via Bluetooth using the GameKit framework. The problem I am having though is that I can only send one NSData object at a time, but I need to save it on the other end. this obviously isn't possible without knowing the filename, but i don't know how to transmit that. I've tried to convert it to a string NSData*data = [NSData dataWithContentsOfFile:urlAddress]; but i can only send one NSData object, not two. Has anyone come across this problem yet?

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  • Core Text CTFrameSetter error with size suggestion

    - by JK
    I am trying to use the CTFramesetterSuggestFrameSizeWithConstraints method of CTFrameSetter to calculate the rect for a given attributed string. However, both the width and height are slightly less than needed. I would appreciate any suggestions on what may be causing this or how to correct it please.

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  • Capture one view and output to an other view

    - by killerapfel
    Hi, looking for an impulse, how to get that done. I know that it is possible to capture the iSight but I have no Idea how to capture the screen and output it in realtime to an other... there will be no recording, just output... would be nice if someone could give me an hint. thx in advance

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  • Any simple way to "resize" an NSBezierPath?

    - by d11wtq
    I have an NSBezierPath that I'm filling and stroking. I'd like to add some inner glow to the path (a light stroke, just inside of the outer stroke), and the thing that comes to mind is to use the same path shrunk by 1 pixel (the size of the line that is already )stroked. Is there a way to do this? Alternatively, is there some sort of pattern I can use when applying both a border (stroke) and a glow to a bezier path? Example, the (extremely subtle) inner glow on the Google Chrome tabs:

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  • App is crashing as soon as UITableView gets reloaded

    - by OhhMee
    Hello, I'm developing an app where TableView needs to reload as soon as the login process gets completed. The app crashes with error EXC_BAD_ACCESS when the table data gets reloaded. It doesn't crash when I remove all case instances except case 0: What could be the reason behind it? Here's the code: - (void)viewDidLoad { [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(loginDone:) name:@"loginDone" object:nil]; statTableView.backgroundColor = [UIColor clearColor]; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger) section { return 6; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier]; } // Configure the cell. switch (indexPath.row) { case 0 : cell.textLabel.text = @"Foo:"; NSLog(@"%@", data7); UILabel *myLabel2 = [[UILabel alloc] initWithFrame:CGRectMake(200, 10, 20, 30)]; myLabel2.text = (@"%@", data7); myLabel2.textColor = [UIColor blackColor]; myLabel2.backgroundColor = [UIColor whiteColor]; myLabel2.font = [UIFont fontWithName:@"Trebuchet MS" size:14]; [cell.contentView addSubview:myLabel2]; break; case 1: cell.textLabel.text = @"Foo: "; UILabel *myLabel4 = [[UILabel alloc] initWithFrame:CGRectMake(200, 10, 20, 30)]; myLabel4.text = (@"%@", data11); myLabel4.textColor = [UIColor blackColor]; myLabel4.backgroundColor = [UIColor whiteColor]; myLabel4.font = [UIFont fontWithName:@"Trebuchet MS" size:14]; [cell.contentView addSubview:myLabel4]; break; case 2: cell.textLabel.text = @"Foo: "; UILabel *myLabel8 = [[UILabel alloc] initWithFrame:CGRectMake(200, 10, 20, 30)]; myLabel8.text = (@"%@", data3); myLabel8.textColor = [UIColor blackColor]; myLabel8.backgroundColor = [UIColor whiteColor]; myLabel8.font = [UIFont fontWithName:@"Trebuchet MS" size:14]; [cell.contentView addSubview:myLabel8]; break; case 3: cell.textLabel.text = @"Foo: "; UILabel *myLabel10 = [[UILabel alloc] initWithFrame:CGRectMake(200, 10, 20, 30)]; myLabel10.text = [NSString stringWithFormat:@"%@", data4]; if ([data4 isEqualToString:@"0"]) { myLabel10.text = @"None"; } myLabel10.textColor = [UIColor blackColor]; myLabel10.backgroundColor = [UIColor whiteColor]; myLabel10.font = [UIFont fontWithName:@"Trebuchet MS" size:14]; [cell.contentView addSubview:myLabel10]; break; case 4: cell.textLabel.text = @"Foo: "; UILabel *myLabel12 = [[UILabel alloc] initWithFrame:CGRectMake(200, 10, 20, 30)]; myLabel12.text = [NSString stringWithFormat:@"%@", data5]; myLabel12.textColor = [UIColor blackColor]; if ([data5 isEqualToString:@"Foo"]) { myLabel12.textColor = [UIColor redColor]; myLabel12.text = @"Nil"; } myLabel12.backgroundColor = [UIColor whiteColor]; myLabel12.font = [UIFont fontWithName:@"Trebuchet MS" size:14]; [cell.contentView addSubview:myLabel12]; break; case 5: cell.textLabel.text = @"Foo: "; UILabel *myLabel14 = [[UILabel alloc] initWithFrame:CGRectMake(200, 10, 50, 30)]; if ([data6 isEqualToString:@"Foo"]) { myLabel14.textColor = [UIColor colorWithRed:(0/255.f) green:(100/255.f) blue:(0/255.f) alpha:1.0]; myLabel14.text = @"No Dues"; } else { myLabel14.text = [NSString stringWithFormat:@"%@", data6]; myLabel14.textColor = [UIColor redColor]; } myLabel14.backgroundColor = [UIColor whiteColor]; myLabel14.font = [UIFont fontWithName:@"Trebuchet MS" size:14]; [cell.contentView addSubview:myLabel14]; break; /* [myLabel2 release]; [myLabel4 release]; [myLabel8 release]; [myLabel10 release]; [myLabel12 release]; [myLabel14 release]; */ } return cell; }

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  • Can I stop UIImageView Animation at last frame?

    - by Ivan
    Hello, I have an animation using a UIImageView myAnimatedView.animationImages = myImages; myAnimatedView.animationDuration = 1; myAnimatedView.animationRepeatCount = 1; [myAnimatedView startAnimating]; How can I tell to animation to stop at the last frame or to be visible last frame of the series of images? Thank you in advance

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  • UILabel not changing when method called

    - by LyonJTill
    - (IBAction)restoreUserDefaults { NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; if([defaults objectForKey:@"Exam Name"] == nil) { examName = [[NSString alloc] initWithString:@"Name"]; } else { examName = [[NSString alloc] initWithString:[defaults objectForKey:@"Exam Name"]]; } [examNameLabel setText:[NSString stringWithFormat:@"%@",examName]]; } Hey all, Basically above is the method that is being called when one ViewController is being close and another is being opened the problem is, is that the UILabel in the new ViewController isn't changing to the value i need it to? Any ideas? Regards Lyon J Till

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  • NSWindowController window?

    - by Ilija Tovilo
    I have a menu-bar based application, which displays a window, when the icon is clicked. It all works fine on Mac OS X Lion, but for some reason, an error occurs on Snow Leopard an sooner versions of Mac OS X. Anytime [TheWindowController window] is called the method stops, but the app keeps running. Because of this, I don't think that the window is just nil, it's corrupt, in some way. I have no Idea why this happens, and like I said, it only happens in Mac OS X Snow Leopard. Btw. I use ARC, if that matters at all. Thank you!

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  • UITableView superClass for delegate?

    - by fuzzygoat
    A quick question, I am setting a delegate for UITableView and I have a question regarding setting the delegate and dataSource properties. I have noticed that the properties for delegate and dataSource are not available, I was thinking that adopting the protocols would make them available. But I am now thinking that I maybe have the superclass for my delegate class wrong. Currently I have: -(void)viewDidLoad { TestDelegate *tempDelegate = [[TestDelegate alloc] init]; [self setMyDelegate:tempDelegate]; // setDelegate // setDataSource [tempDelegate release]; [super viewDidLoad]; } My interface for TestDelegate looks like: @interface TestDelegate : NSObject <UITableViewDelegate, UITableViewDataSource> { NSArray *listData; int myCounter; } Can I ask if the above should be: @interface TestDelegate : UITableView <UITableViewDelegate, UITableViewDataSource> { NSArray *listData; int myCounter; } gary EDIT: I think it might be right as NSObject, I have a viewtableView in IB, thats what I will need to connect my delegate class to. I added to tableView in IB so maybe I just need to make it available in Xcode.

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  • How do I enable spell checking within an NSTextField?

    - by Luke
    I have an NSTextField that I would like to enable "as-you-type" spell checking. When I load my application I can do this from the Menu Bar Edit Spelling and Grammar Check Spelling While Typing. I would like this option to be enabled by default. Within IB I can enable this for a NSTextView but I would like to use NSTextField for this part of the UI. Thank you.

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