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  • Problem when subClassing NSDate

    - by iFloh
    Hi, I first time tried to subClassed an NSDate to give it 2 methods that I need. Compiles fine, but in runtime I try to access it I get an error. Lets say I just want the current date which is unmodified in the subClass: [myNSDate date]; I get the error -[NSDate initWithTimeIntervalSinceReferenceDate:]: method only defined for abstract class. Define -[myNSDate initWithTimeIntervalSinceReferenceDate:]! what is different?

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  • how to add Done Button to dismiss the Number Pad

    - by mac
    I followed the tutorial http://www.neoos.ch/news/46-development/54-uikeyboardtypenumberpad-and-the-missing-return-key to dismiss the number pad, this tutorial add the button as sub view to the number pad, my problem is, in the same view i am using the text field to enter text also,so, how to differentiate the number field, and text field. so that i can hide the button view accordingly. thanks in advance.

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  • persistent view controller

    - by derrichh
    Im building an iphone radio application and I want to have the controls, play, pause, stop, etc. in a tool bar (a custom view controller) at the bottom of the application. I want to keep this there throughout all the views so you can control the audio while navigating through the other parts of the application (multiple view/table controllers). Is there a way to create a view that stays in place like a tab bar?

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  • Disable ARC with Xcode 5

    - by user2187565
    First, sorry for my bad english, I'm french and had 15years old but StackOverFlow is for me the best forum for developers. So, in the previous versions of Xcode, we can disable ARC (Automatic Reference Counting) in the project settings when we create the project. Not now with Xcode 5 and ARC to pose me a problem: with an property list file, for the reading step, Xcode send me an error: "implicit conversion of 'int' to 'id' is disallowed with ARC". I had not the problem with the same code with Xcode 4. In my property list file, The keys are numbers and also in my viewController.m . NIKOS M.: No problem, but I don't see how I can add compiler flag with the 5th version of Xcode. The code (with french string...): NSString *error; NSString *rootPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0]; NSString *plistPath = [rootPath stringByAppendingPathComponent:@"Save.plist"]; NSArray *keys = [NSArray arrayWithObjects:@"valeurCompteur1", @"valeurCompteur2", @"valeurCompteur3", @"valeurCompteur4", @"valeurCompteur5", @"nomCompteur1", @"nomCompteur2", @"nomCompteur3", @"nomCompteur4", @"nomCompteur5", nil]; NSArray *objs = [NSArray arrayWithObjects: compteur1, compteur2, compteur3, compteur4, compteur5, nameC1, nameC2, nameC3, nameC4, nameC5, nil]; REVIEW: When I disallow ARC for the target, an warning persist. How I can resolve that please ? Thank you very much.

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  • UILabels text disappears when animating

    - by Wilhelm Michaelsen
    I have this code: - (void)my_button_tapped { if (my_button.tag == 0) { [UIView beginAnimations:nil context:nil]; [UIView setAnimationDuration:0.5]; my_label.frame = CGRectMake(450, 455, 200, 20); [UIView commitAnimations]; [my_button setBackgroundImage:[UIImage imageNamed:@"check.png"] forState:UIControlStateNormal]; my_button.tag = 1; } else { [UIView beginAnimations:nil context:nil]; [UIView setAnimationDuration:0.5]; my_label.frame = CGRectMake(450, 455, 0, 20); [UIView commitAnimations]; [my_button setBackgroundImage:nil forState:UIControlStateNormal]; my_button.tag = 0; } } When I tap my_button first time the label is expanded into 200px width, when I press the button again the label decreases to 0px width but immediately at button press the text disappears. What's wrong?

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  • How to have Xcode find the newest version of a file

    - by Arian
    Currently I have a SQLite database, that is set statically to use database01.sqlite... but what I need is a way to have the file path find the newest version of the database file that exists. For example: If a database file of database04.sqlite is available, it should use that one instead. Below is my current code: NSString *databaseDirectory = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0]; NSString *filePath = [databaseDirectory stringByAppendingPathComponent:@"database01.sqlite"];

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  • Unable to open executable - xcode

    - by Filipe Mota
    I'm getting this error...any idea how to solve it? GenerateDSYMFile /Users/fmota/Library/Developer/Xcode/DerivedData/PBTest-gvudadeakgzklbekugyiqyfyprlt/Build/Products/Debug-iphonesimulator/PBTest.app.dSYM /Users/fmota/Library/Developer/Xcode/DerivedData/PBTest-gvudadeakgzklbekugyiqyfyprlt/Build/Products/Debug-iphonesimulator/PBTest.app/PBTest cd /Users/fmota/Documents/Developer/Protobuf/PBTest setenv PATH "/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin" /Developer/usr/bin/dsymutil /Users/fmota/Library/Developer/Xcode/DerivedData/PBTest-gvudadeakgzklbekugyiqyfyprlt/Build/Products/Debug-iphonesimulator/PBTest.app/PBTest -o /Users/fmota/Library/Developer/Xcode/DerivedData/PBTest-gvudadeakgzklbekugyiqyfyprlt/Build/Products/Debug-iphonesimulator/PBTest.app.dSYM error: unable to open executable '/Users/fmota/Library/Developer/Xcode/DerivedData/PBTest-gvudadeakgzklbekugyiqyfyprlt/Build/Products/Debug-iphonesimulator/PBTest.app/PBTest'

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  • Passing NULL value

    - by FFXIII
    Hi. I use an instance of NSXMLParser. I store found chars in NSMutableStrings that are stored in an NSMutableDictionary and these Dicts are then added to an NSMutableArray. When I test this everything seems normal: I count 1 array, x dictionnaries and x strings. In a detailview controller file I want to show my parsed results. I call the class where everthing is stored but I get (null) returned. This is what I do (wrong): XMLParser.h @interface XMLParser : NSObject { NSMutableArray *array; NSMUtableDictionary *dictionary; NSSMutabletring *element; } @property (nonatomic, retain) NSMutableArray *array; @property (nonatomic, retain) NSMutableDictionary *dictionary; @property (nonatomic, retain) NSMutableString *element; XMLParser.m @synthesize array, dictionary, element; //parsing goes on here & works fine //so 'element' is filled with content and stored in a dict in an array //and released at the end of the file In my controller file I do this: controller.h @class XMLParser; @interface controller : UIViewController { XMLParser *aXMLParser; } @property (nonatomic, retain) XMLParser *aXMLParser; controller.m #import "XMLParser.h" @synthesize aXMLParser; - (void)viewDidLoad { NSLog(@"test array: %@", aXMLParser.array); NSLog(@"test dict: %@", aXMLParser.dictionary); NSLog(@"test element: %@", aXMLParser.element); } When I test the value of my array, a dict or an element in the XMLParser.h file I get my result. What am I doing wrong so I can't call my results in my controller file? Any help is welcome, because I'm pretty stuck right now :/

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  • How to call another class's method from my app delegate

    - by Jared
    I have an application that utilizes UILocalNotifications to pop-up UIAlertViews. When the notification fires, the user chooses to go into the app, and this method is called from my app delegate: - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {...} Where I can handle it and where I also prompt another alertview for more information. So when the app launches, it is displaying view A, and then the alertview pops up and prompts for input. This alertview, however, is originating from my app delegate. I need to be able to reload view A when the user hits Yes/No on the alertview. How can I do that from within my app delegate? Any help is appreciated!!

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  • How do I remove a button from a view controller's toolbar on the iPhone?

    - by Tony
    I have code that works great for adding a button to the toolbar: NSArray* toolbarItems = [NSArray arrayWithObjects:flexibleSpace,shuffleBarItem,flexibleSpace,nil]; self.toolbarItems = toolbarItems; However, I also want to be able to remove toolbar items. When I use the below method, my application crashes: NSArray* toolbarItems = [NSArray arrayWithObjects:flexibleSpace,nil]; self.toolbarItems = toolbarItems; Does anyone know how I can dynamically alter the toolbar on the iPhone? Thanks!

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  • NSTableView - Trying to fit exactly 9 rows

    - by Justin808
    Hi, I'm trying to size the rows of a NSTableView to exactly 9 rows fit. I've tried [menuTableView setRowHeight:floor(menuRect.size.height / 9)]; and I've tried [menuTableView setRowHeight:(menuRect.size.height / 9)]; and [menuTableView setRowHeight:ceil(menuRect.size.height / 9)]; but all of them have the same issue, if I've selected row 0 then row 9 is clipped at the bottom and if I select row 9 then row 0 is clipped at the top. How can I set up a NSTableView to show 9 full rows so no matter what there is never a partial row visible? Thanks, edit: Yes menuRect is the frame for the menuTableView

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  • runModalForWindow throttles http requests

    - by Nikita Rybak
    I have url connection, which normally works fine NSURLConnection *connection = [[NSURLConnection alloc] initWithRequest:request delegate:delegate]; But when I create a modal window, no request ever receives response: [NSApp runModalForWindow:window]; If I comment this line out, thus creating a 'standard' window, everything works. I tried implementing all methods from NSURLConnectionDelegate, not a single of them called. I suspect this is something about 'run loops', but have little experience in this area. Does anybody have experience in this? Thank you

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  • probelem with NSTimer

    - by zp26
    Hi I have a problem with a NSTimer I recived a "SIGABRT" error and "[NSCFTimer intValue]: unrecognized selector sent to instance " These is my code: -(void)detectionMove:(NSNumber*)arrayIndex{ static BOOL notFind = FALSE; static int countVariable = 0; static int countRilevamenti = 0; notFind = FALSE; for(int i = countVariable+1; i<[[[[sharedController arrayMovement]objectAtIndex:[arrayIndex intValue]] arrayPositionMove]count]; i++){ if(!notFind){ if((actualAccelerometerX+sensibilityMovement) >= [[[[[sharedController arrayMovement]objectAtIndex:[arrayIndex intValue]] arrayPositionMove]objectAtIndex:i]valueX] && (actualAccelerometerX-sensibilityMovement) <= [[[[[sharedController arrayMovement]objectAtIndex:[arrayIndex intValue]] arrayPositionMove]objectAtIndex:i]valueX] && (actualAccelerometerY+sensibilityMovement) >= [[[[[sharedController arrayMovement]objectAtIndex:[arrayIndex intValue]] arrayPositionMove]objectAtIndex:i]valueY] && (actualAccelerometerY-sensibilityMovement) <= [[[[[sharedController arrayMovement]objectAtIndex:[arrayIndex intValue]] arrayPositionMove]objectAtIndex:i]valueY] && (actualAccelerometerZ+sensibilityMovement) >= [[[[[sharedController arrayMovement]objectAtIndex:[arrayIndex intValue]] arrayPositionMove]objectAtIndex:i]valueZ] && (actualAccelerometerZ-sensibilityMovement) <= [[[[[sharedController arrayMovement]objectAtIndex:[arrayIndex intValue]] arrayPositionMove]objectAtIndex:i]valueZ]) { countVariable = i; notFind = TRUE; countRilevamenti++; } } } if(!notFind) return; else if(countVariable+1 == [[[[sharedController arrayMovement]objectAtIndex:[arrayIndex intValue]] arrayPositionMove]count]){ if(countRilevamenti + tollerance >= [[[[sharedController arrayMovement]objectAtIndex:[arrayIndex intValue]] arrayPositionMove]count]) movementDetected = [arrayIndex intValue]; else NSLog(@"troppo veloce"); countVariable = 0; notFind = FALSE; countRilevamenti = 0; return; } [NSTimer scheduledTimerWithTimeInterval:timeToCatch target:self selector:@selector(detectionMove:) userInfo:(NSNumber*)arrayIndex repeats:NO]; }

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  • Deleting Multiple rows from a TableView

    - by Sid
    hi Frnz, i want to delete multiple rows from a table view based on users selection.obviously i cant use didSelectRowAtIndexPath method coz it will be called for every row selected. i want to allow user to select multiple rows for deletion and then delete them in one go...Is it possible if yes then how to go about it.Also i am using a single view based project and i want the header of table view changed to "Delete" on the same view when the user want to delete the rows from the view. Thx

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  • My UITableView has duplicated rows

    - by Mark
    Im not sure why, but my UITableView, which isnt anything fancy, is showing repeating rows when it shouldnt be. It seems that the rows that get added when the user scrolls (i.e. the rows that are off the screen to start with) are getting the data for the wrong row index. Its almost like when a new cell is de-queued, it's using a cell that 'was' used, but wasn't cleaned up correctly. Do you need to 'clean up' cells that are de-queue so that new cells dont use cells that are already created? my code is as below: - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CustomCellIdentifier = @"CustomCellIdentifier"; MyDayCell *cell = (MyDayCell *)[tableView dequeueReusableCellWithIdentifier: CustomCellIdentifier]; if (cell == nil) { NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"MyDayCell" owner:self options:nil]; for (id oneObject in nib) if ([oneObject isKindOfClass:[MyDayCell class]]) cell = (MyDayCell *)oneObject; } NSUInteger section = [indexPath section]; NSUInteger row = [indexPath row]; NSArray *thisSectionItems = (NSArray*)[self.listData objectForKey: [[NSNumber alloc] initWithInt:section]]; MyDayDetails *rowData = [thisSectionItems objectAtIndex:row]; //setup my cells data here... return cell; } Is there anything wrong with this code? has anyone seen anything like this before?

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  • Recursively listing, and storing, directory contents

    - by enchilada
    I know how to recursively list directory contents. I will be using Snow Leopard's enumeratorAtURL:includingPropertiesForKeys:options:errorHandler: method to do this. However I want to store my findings into a object hierarchy (of, say, objects of a custom FileOrDirectory class that has isLeaf, children, and count attributes). I need to pre-load the directory and file structure into such a object hierarchy, in order to do whatever I want with NSTreeController and whatnot. I guess the trickiest thing here is to get the children attribute correct in the object hierarchy. Any ideas?

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  • how to create a custom application in twitter?

    - by monish
    Hi guys, I’m trying to register a custom application in twitter can any one give some suggestions how to register a custom application in twitter? As I am new to twitter I didn’t found any controls to create to register for creating a custom application. Anyone's help will be much appreciated. Thank you, Monish.

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  • NSColor, 10.6 and Gamma 2.2

    - by Stephen Blinkhorn
    With Snow Leopard the default gamma changed from 1.8 to 2.2. I happen to be working on a few Mac apps that use a very dark custom colour scheme provided by Cocoa. On 10.5 it looks fine but on 10.6 with the new gamma it's much darker and really hard on the eyes. The colour scheme is defined using numerous [NSColor colorWithCalibratedRed:green:blue:alpha:] objects within a theme class. Is there any way to 'convert' an NSColor object so that it displays on 10.6 exactly as it would on 10.5 with the old 1.8 gamma? I know this can be achieved globally from within System Preferences but that's not what I'm after.

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