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  • Aquatic Prime on 10.6?

    - by Kevin
    Hello, I have 2 applications that I use with Aquatic Prime. One is an application just with the Aquatic Prime framework, and the other is an application that I've been working on that has been incorporated with the Aquatic Prime framework. The first application I mentioned before has its SDK set to 10.5 with the architecture to 32-bit. The second application I made has its SDK that is set to 10.6 (which it has to since I need NSRunningApplication) and its architecture to 32-bit. Now my question is, whenever I debug my first application it works perfectly fine, but with my second it gives me this interrupted error right after Running. What's going wrong? I've tried doing some breakpoints like "objc-exception-throw" but all it says is stopped at breakpoint 1. I need 10.6 in my application, but I also need Aquatic Prime. Can anyone help me solve this problem? Ok here's the one from the stack trace which I have no idea how to read: 0x91cdff11 <+0000> push %ebp 0x91cdff12 <+0001> mov %esp,%ebp 0x91cdff14 <+0003> sub $0x28,%esp 0x91cdff17 <+0006> mov %ebx,-0xc(%ebp) 0x91cdff1a <+0009> mov %esi,-0x8(%ebp) 0x91cdff1d <+0012> mov %edi,-0x4(%ebp) 0x91cdff20 <+0015> call 0x91cdff25 <objc_exception_throw+20> 0x91cdff25 <+0020> pop %ebx 0x91cdff26 <+0021> mov 0x8(%ebp),%esi 0x91cdff29 <+0024> lea 0xe4cbb8b(%ebx),%edi 0x91cdff2f <+0030> mov 0x4(%edi),%eax 0x91cdff32 <+0033> test %eax,%eax 0x91cdff34 <+0035> jne 0x91cdff3b <objc_exception_throw+42> 0x91cdff36 <+0037> call 0x91ce4f53 <set_default_handlers> 0x91cdff3b <+0042> mov %esi,(%esp) 0x91cdff3e <+0045> nop 0x91cdff3f <+0046> nopl 0x0(%eax) 0x91cdff43 <+0050> mov %esi,(%esp) 0x91cdff46 <+0053> call *0x4(%edi) 0x91cdff49 <+0056> lea 0xfd44(%ebx),%eax 0x91cdff4f <+0062> mov %eax,(%esp) 0x91cdff52 <+0065> call 0x91ce4e1f <_objc_fatal> The the GDB tells me its all good: run [Switching to process 990] Running… 2009-10-14 15:20:33.233 ApplicationName[990:a0f] init Sincerely, Kevin

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  • OCUnit testing an embedded framework

    - by d11wtq
    I've added a Unit Test target to my Xcode project but it fails to find my framework when it builds, saying: Test.octest could not be loaded because a link error occurred. It is likely that dyld cannot locate a framework framework or library that the the test bundle was linked against, possibly because the framework or library had an incorrect install path at link time. My framework (the main project target) is designed to be embedded and so has an install path of @executable_path/../Frameworks. I've marked the framework as a direct dependency of the test target and I've added it to the "Link Binary with Libraries" build phase. Additionally I've add a first step (after it's built the dependency) of "Copy Files" which simply copies the framework to the unit test bundle's Frameworks directory. Anyone got any experience on this? I'm not sure what I've missed.

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  • Approaches to create a nested tree structure of NSDictionaries?

    - by d11wtq
    I'm parsing some input which produces a tree structure containing NSDictionary instances on the branches and NSString instance at the nodes. After parsing, the whole structure should be immutable. I feel like I'm jumping through hoops to create the structure and then make sure it's immutable when it's returned from my method. We can probably all relate to the input I'm parsing, since it's a query string from a URL. In a string like this: a=foo&b=bar&a=zip We expect a structure like this: NSDictionary { "a" => NSDictionary { 0 => "foo", 1 => "zip" }, "b" => "bar" } I'm keeping it just two-dimensional in this example for brevity, though in the real-world we sometimes see var[key1][key2]=value&var[key1][key3]=value2 type structures. The code hasn't evolved that far just yet. Currently I do this: - (NSDictionary *)parseQuery:(NSString *)queryString { NSMutableDictionary *params = [NSMutableDictionary dictionary]; NSArray *pairs = [queryString componentsSeparatedByString:@"&"]; for (NSString *pair in pairs) { NSRange eqRange = [pair rangeOfString:@"="]; NSString *key; id value; // If the parameter is a key without a specified value if (eqRange.location == NSNotFound) { key = [pair stringByReplacingPercentEscapesUsingEncoding:NSASCIIStringEncoding]; value = @""; } else { // Else determine both key and value key = [[pair substringToIndex:eqRange.location] stringByReplacingPercentEscapesUsingEncoding:NSASCIIStringEncoding]; if ([pair length] > eqRange.location + 1) { value = [[pair substringFromIndex:eqRange.location + 1] stringByReplacingPercentEscapesUsingEncoding:NSASCIIStringEncoding]; } else { value = @""; } } // Parameter already exists, it must be a dictionary if (nil != [params objectForKey:key]) { id existingValue = [params objectForKey:key]; if (![existingValue isKindOfClass:[NSDictionary class]]) { value = [NSDictionary dictionaryWithObjectsAndKeys:existingValue, [NSNumber numberWithInt:0], value, [NSNumber numberWithInt:1], nil]; } else { // FIXME: There must be a more elegant way to build a nested dictionary where the end result is immutable? NSMutableDictionary *newValue = [NSMutableDictionary dictionaryWithDictionary:existingValue]; [newValue setObject:value forKey:[NSNumber numberWithInt:[newValue count]]]; value = [NSDictionary dictionaryWithDictionary:newValue]; } } [params setObject:value forKey:key]; } return [NSDictionary dictionaryWithDictionary:params]; } If you look at the bit where I've added FIXME it feels awfully clumsy, pulling out the existing dictionary, creating an immutable version of it, adding the new value, then creating an immutable dictionary from that to set back in place. Expensive and unnecessary? I'm not sure if there are any Cocoa-specific design patterns I can follow here?

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  • setDelegate:self, how does it work?

    - by fuzzygoat
    I have a query regarding how delegates work. My understanding was that delegates take responsibility for doing certain tasks on behalf of another object. locationManager = [[CLLocationManager alloc] init]; [locationManager setDelegate:self]; [locationManager setDistanceFilter:kCLDistanceFilterNone]; [locationManager setDesiredAccuracy:kCLLocationAccuracyBest]; [locationManager startUpdatingLocation]; Am I right in thinking that in the example code above that the instance of CLLocationManager is created on a new thread so that it can get on with trying to find the location information it needs. When it completes its task (or encounters an error) it calls-back using the appropriate methods located in self e.g. locationManager:didUpdateToLocation:fromLocation: Essentially locationManager sends messages to self (which conforms to the correct delegate protocol) when things happen cheers gary

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  • How can we change color of a text programmatically ?

    - by user297535
    My code is -(UIImage *)addText:(UIImage *)img text:(NSString *)text1{ int w = img.size.width; int h = img.size.height; CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); CGContextRef context = CGBitmapContextCreate(NULL, w, h, 8, 4 * w, colorSpace, kCGImageAlphaPremultipliedFirst); CGContextDrawImage(context, CGRectMake(0, 0, w, h), img.CGImage); CGContextSetRGBFillColor(context, 0.0, 0.0, 1.0, 1); char* text = (char *)[text1 cStringUsingEncoding:NSASCIIStringEncoding]; CGContextSelectFont(context, "Arial", 18, kCGEncodingMacRoman); CGContextSetTextDrawingMode(context, kCGTextFill); CGContextSetRGBFillColor(context, 255, 255, 255, 2); CGContextShowTextAtPoint(context, 10, 170, text, strlen(text)); CGImageRef imageMasked = CGBitmapContextCreateImage(context); CGContextRelease(context); CGColorSpaceRelease(colorSpace); return [UIImage imageWithCGImage:imageMasked]; } -(UIImage *)addText:(UIImage *)img text:(NSString *)text1{ int w = img.size.width; int h = img.size.height; CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); CGContextRef context = CGBitmapContextCreate(NULL, w, h, 8, 4 * w, colorSpace, kCGImageAlphaPremultipliedFirst); CGContextDrawImage(context, CGRectMake(0, 0, w, h), img.CGImage); CGContextSetRGBFillColor(context, 0.0, 0.0, 1.0, 1); char* text = (char *)[text1 cStringUsingEncoding:NSASCIIStringEncoding]; CGContextSelectFont(context, "Arial", 18, kCGEncodingMacRoman); CGContextSetTextDrawingMode(context, kCGTextFill); CGContextSetRGBFillColor(context, 255, 255, 255, 2); CGContextShowTextAtPoint(context, 10, 170, text, strlen(text)); CGImageRef imageMasked = CGBitmapContextCreateImage(context); CGContextRelease(context); CGColorSpaceRelease(colorSpace); return [UIImage imageWithCGImage:imageMasked]; } How can we change the color of the text programmatically? Answers will be greatly appreciated!

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  • How do those bitmasks actually work?

    - by mystify
    For example, this method from NSCalendar takes a bitmask: - (NSDate *)dateByAddingComponents:(NSDateComponents *)comps toDate:(NSDate *)date options:(NSUInteger)opts So options can be like: NSUInteger options = kCFCalendarUnitYear; or like: NSUInteger options = kCFCalendarUnitYear | kCFCalendarUnitMonth | kCFCalendarUnitDay; What I don't get is, how is this actually done? I mean: How can they pull out those values which are merged into options? If I wanted to program something like this, that can take a bitmask, how would that look?

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  • UINavigationBar is getting buttons from another view

    - by Rafael Oliveira
    I have three Views, Splash, Login and List. From Splash I just wait and then Push Login View, with the Navigation Bar hidden. In Login I Show the NavigationBar, hide the BackButton1 and add a new RightButton1, then I check if Settings.bundle "login" and "pass" are set. If so, I push List View. Otherwise I stay in the Login view waiting for the user to fill the form and press a button. In List View I add a new RightButton2 and a new BackButton2. The problem is that if Settings.bundle data is not null, and in Login View I quickly push List View the RightButton1 appears in List View, or no buttons appear at all, or only BackButton2 doesn't appear... The most strange thing of all is that everything was OK and all of sudden it started to get messy. Login View: // Making the Navigation Bar Visible [self.navigationController setNavigationBarHidden:NO animated:NO]; // Hiding the Back Button in THIS view (Login) [self.navigationItem setHidesBackButton:YES]; // Inserting the Logout Button for the Next View (List) UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:@"Logout" style:UIBarButtonItemStylePlain target:nil action:nil]; self.navigationItem.backBarButtonItem = backButton; [backButton release]; UIBarButtonItem* newAccountButton = [[UIBarButtonItem alloc] initWithTitle:@"New Account" style:UIBarButtonItemStylePlain target:self action:@selector(newAccountButtonPressed)]; self.navigationItem.rightBarButtonItem = newAccountButton; [newAccountButton release]; List View // Making the Navigation Bar Visible [self.navigationController setNavigationBarHidden:NO animated:NO]; UIBarButtonItem* aboutButton = [[UIBarButtonItem alloc] initWithTitle:@"About" style:UIBarButtonItemStylePlain target:self action:@selector(aboutButtonPressed)]; self.navigationItem.rightBarButtonItem = aboutButton; [aboutButton release]; Any ideas ?

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  • NSString to NSData Failing in Encoding

    - by Travis
    I'm trying to use NSXmlParser to parse ISO-8859-1 data. Using Apple's own example for parsing ISO-8859-1, I have the following. NSString *xmlFilePath = [[NSBundle mainBundle] pathForResource:sampleFileName ofType:@"xml"]; NSString *xmlFileContents = [NSString stringWithContentsOfFile:xmlFilePath encoding:NSISOLatin1StringEncoding error:nil]; NSLog(@"contents: %@", xmlFileContents); I see that in the console, the contents of the string is accurate. However when I try to convert it to an NSData object (for use with the parser), I do the following. NSData *xmlData = [xmlFileContents dataUsingEncoding:NSISOLatin1StringEncoding]; But then when my didStartElement delegate gets called, I see  showing up which I think is from an encoding discrepancy. Can NSXmlParser handle ISO-8859-1 and if so, what am I doing wrong?

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  • Refresh a UITableView after loading

    - by Alavoil
    I am trying to load a table view from a cache very quickly and have the cached data in the table view appear. Then I want download new data, and then reload the table. Right now I am downloading the new data on viewDidAppear, but the view still refreshes before it displays. Any idea how I can do this?

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  • Sqlite3 update statement problem

    - by xcodemaddy
    how to create SQl statement for update using 'where' condition with 'name', how to bind this name to sql statement... ///example const char *sql = "update profile set name = ? ,Lname = ?, date = ?,phno = ? ,image = ? , id= ? where name=?;";

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  • Weak linking on iPhone refuses to work

    - by Jonathan Grynspan
    I've got an iPhone app that's mainly targetting 3.0, but which takes advantage of newer APIs when they're available. Code goes something like this: if (UIApplicationDidEnterBackgroundNotification != NULL) [nc addObserver: self selector: @selector(irrelelvantCallbackName:) name: UIApplicationDidEnterBackgroundNotification object: nil]; Now, according to everything Apple's ever said, if the relevant APIs are weakly linked, that will work fine because the dynamic linker will evaluate UIApplicationDidEnterBackgroundNotification to NULL. Except that it doesn't. The application compiles, but as soon as it hits "if (UIApplicationDidEnterBackgroundNotification != NULL)" it crashes with EXC_BAD_ACCESS. Is this simply a matter of a compiler flag I need to set? Or am I going about this the wrong way?

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  • Showing IPhone keyboard in different languages based on user input.

    - by itsaboutcode
    Hi, My question is related to the following question, and can be said almost same. http://stackoverflow.com/questions/330542/setting-the-iphone-keyboard-language But here are my requirement. I am writing dictionary app for IPhone, which support multiple languages. So my requirement is to display the English keyboard when user has selected English language and show Dutch keyboard when user has selected Dutch and so on. So i was wondering if this is possible? Thanks.

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  • NSLog(@"%@",super) crashing

    - by Chandan Shetty SP
    I used NSLog(@"%@",super) in a method(any method) and it is crashing.... Why? How to print the super contents? Updated : currentclassname : superClassName { } and also if i use NSLog(@"%@", [super description]); It is printing "<currentclassname: 0x3db7230>" instead of superClassName... It is expected to print superClassName right. Thanks in advance,

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  • iPhone UI addSubview causing concurrency exception

    - by Eli
    This is really odd... I run my app, and while it is opening and the views are constructing I get: Collection <CALayerArray: 0x124650> was mutated while being enumerated. The code trace goes through the following: main UIApplicationMain -[UIApplication _run] CFRunLoopRunInMode CFRunLoopRunSpecific _UIApplicationHandleEvent -[UIApplication sendEvent:] -[UIApplication handleEvent:withNewEvent:] -[UIApplication _runWithURL:sourceBundleID:] -[UIApplication _performInitilizationWithURL:sourceBundleID:] -[AppDelegate applicationDidFinishLaunching:] +[Controller initializeController] //This is my own function [window addSubview: pauseMenuController.view] //This is the last point of my code it goes through -[UIView(Hierarchy) addSubview:] -[UIView(Internal) _addSubview:positioned:relativeTo:] -[UIView(Hierarchy) _makeSubtreePerformSelector:withObject:] -[UIView(Hierarchy) _makeSubtreePerformSelector:withObject:withObject:copySublayers:] -[UIView(Hierarchy) _makeSubtreePerformSelector:withObject:withObject:copySublayers:] _NSFastEnumerationMutationHandler objc_exception_throw I've run the game lots and lots and lots of times and I've never seen this, then suddenly it popped up. The weird thing is that I'm not creating any other threads (that I know of) until after this code all gets called. It'll be easier for me to debug this if someone can give me some explanation of what might be getting modified while it's being accessed in a UIView. Does it have something to do with adding something to the view while it's already adding something, maybe? Any ideas?

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  • OBJ-C: Call an instance of core-plot graph from separate view controller

    - by Kevin
    I'm using a view controller i.e. ViewController:UIViewController and have another class GraphViewController:UIViewController . How do I call an instance of GraphViewController and place it into my ViewController? I am currently trying to call the plot within my ViewController directly, but I want to make the graph modular so I don't have to copy code if I use the same graph again. ViewController has methods -(void) refreshGraph; //Inhereted Methods -(NSUInteger)numberOfRecordsForPlot:(CPPlot *)plot; -(NSNumber *)numberForPlot:(CPPlot *)plot field:(NSUInteger)fieldEnum recordIndex:(NSUInteger)index; How do I move these methods to a separate class and then call it to get the same plot in my ViewController? I am sure there must be a thread on this somewhere but I can't seem to find it.

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  • How to change to a grouped table view in xcode without using Interface Builder

    - by Dave
    I have a table that I created within xcode so there is no nib file in this case. I want to make my table into the 'Grouped' style but im not sure how. I think it has somthing to do with the method below, the problem is Im not really sure how to call it, I do understand how methods work I'm just not too sure on where to start with this one: - (id)initWithFrame:(CGRect)frame style:(UITableViewStyle)UITableViewStyleGrouped So could someone tell me how to call it? The problem is that its not a method I wrote its a built in one so I could put that line into my header file but how would I use it in my implementation file? Thanks guys,

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  • Core Data iPad/iPhone BLOBS vs File system for 20k PDFs

    - by jamone
    I'm designing an iPad/iPhone app using core data. The main focus of the app is sorting and viewing up to 20,000 PDFs They are ~200KB each. Typically its best to not store BLOBS in a DB, but for desktop systems I've typically seen it said that if the blobs are < 1 MB then its fine to use the DB. Any considerations I should take into count? If I store them in the file system can I store them all in one directory and not have performance issues (I won't need to ever get a directory list since I'd store each's path in the DB)? Should I divide them among a handful of directories? If so is there a good rule on # of files per dir?

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  • Asynchronous NSURLConnection Throws EXC_BAD_ACCESS

    - by Sheehan Alam
    I'm not really sure why my code is throwing a EXC_BAD_ACCESS, I have followed the guidelines in Apple's documentation: -(void)getMessages:(NSString*)stream{ NSString* myURL = [NSString stringWithFormat:@"http://www.someurl.com"]; NSURLRequest *theRequest = [NSURLRequest requestWithURL:[NSURL URLWithString:myURL]]; NSURLConnection *theConnection=[[NSURLConnection alloc] initWithRequest:theRequest delegate:self]; if (theConnection) { receivedData = [[NSMutableData data] retain]; } else { NSLog(@"Connection Failed!"); } } And my delegate methods #pragma mark NSURLConnection Delegate Methods - (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response { // This method is called when the server has determined that it // has enough information to create the NSURLResponse. // It can be called multiple times, for example in the case of a // redirect, so each time we reset the data. // receivedData is an instance variable declared elsewhere. [receivedData setLength:0]; } - (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data { // Append the new data to receivedData. // receivedData is an instance variable declared elsewhere. [receivedData appendData:data]; } - (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error { // release the connection, and the data object [connection release]; // receivedData is declared as a method instance elsewhere [receivedData release]; // inform the user NSLog(@"Connection failed! Error - %@ %@", [error localizedDescription], [[error userInfo] objectForKey:NSErrorFailingURLStringKey]); } - (void)connectionDidFinishLoading:(NSURLConnection *)connection { // do something with the data // receivedData is declared as a method instance elsewhere NSLog(@"Succeeded! Received %d bytes of data",[receivedData length]); // release the connection, and the data object [connection release]; [receivedData release]; } I get an EXC_BAD_ACCESS on didReceiveData. Even if that method simply contains an NSLog, I get the error. Note: receivedData is an NSMutableData* in my header file

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  • iPhone GPS Development - Tips + Tricks

    - by Keith Fitzgerald
    Hello - I'm looking for some feedback, blog links, etc that offer some tips and tricks for iPhone GPS development. I've read and understand the API, I have my demo app up and running, etc but I have run into some "quirks" with gps on iphone. For example, it seems that you you will receive a lot less location updates when your iphone enters "power save" mode. I've read that you can combat this by playing music in your application [not sure if this is true]. It also seems that, terms of making a reasonable pedometer, you should filter out any reading with horizontal accuracies less than 20 meters. Does this sound right? Is there any kind of checklist out on the web for iphone gps gotchas? Thanks in advance.

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  • Adding an observer to UIImageView? observer & notifications

    - by sagar
    Each class has almost one method named addObserver [imgVURL addObserver:<#(NSObject *)observer#> forKeyPath:<#(NSString *)keyPath#> options:<#(NSKeyValueObservingOptions)options#> context:<#(void *)context#>] Here, imgVURL is an image which is going to be load an image asynchronously. When image will be loaded dynamically - other class will set an image from loaded data. Now, my question is how can we add an observer to UIImageView's instance. Observer and notifications are same or not ? If it is not then what's different ? Let's have some sample code That I did in my project to understand my question. // locating image view from Scroll view by it's tag imgVURL=(UIImageView*)[scrMain viewWithTag:(kTagImagesTag+i)]; // ImageViewURL is a class which contains methods of // didReceiveResponse // didReceiveData // connection ImageViewURL *tmp=[[ImageViewURL alloc] init]; // it has a nonatomic property which will take the reference of my image view tmp.imgV=imgVURL; // now I will pass a url from my an array to property strURL // in strUrl I have custom setter // in which I am initializing a connection tmp.strUrl=[NSURL URLWithString:[[tblmain objectAtIndex:i] valueForKey:@"url"]]; // from ImageViewURL.m file -(void)connectionDidFinishLoading:(NSURLConnection *)connection { [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO]; // NSLog@"ImageView Ref From - %@",imgV); // see imgV has reference of my -> imgVURL (nonatomic,assign) imgV.image=[UIImage imageWithData:myWebData]; [connection release]; connection=nil; } // as you can see in above code many many images are loaded asynchronously // now How can I add an observer to an imageview whether it received or not.

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  • Clipped UITextField with UITextFieldAlignmentRight

    - by Typeoneerror
    Got a small problem with UITextField. I have a simple UITextField and when I set the textAlignment property to "right", it gets clipped by 1-2 pixels. It looks shite so I'm hoping someone has an idea of how to remedy this. I've tried setting the frame to integers to prevent them from being on .5 pixels. - (UITextField *)textControlForSetting:(NSDictionary *)settings { CGRect frame = CGRectIntegral(CGRectMake(100.0f, 0.0f, 170.0f, 44.0f)); UITextField *textField = [[[UITextField alloc] initWithFrame:frame] autorelease]; NSString *defaultValue = [settings objectForKey:kDefaultValueKey]; NSString *currentValue = [prefs objectForKey:[settings objectForKey:kSettingKey]]; textField.tag = settingsCounter; textField.delegate = self; textField.textAlignment = UITextAlignmentRight; textField.font = [UIFont fontWithName:@"HelveticaNeue" size:14.0f]; textField.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter; textField.placeholder = (currentValue != nil) ? currentValue : defaultValue; settingsCounter++; return textField; }

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