In my application, I let the user record a sound clip and later, if the user chooses, I want him to be able to delete it. This is the code I use: NSFileManager *fileManager = [NSFileManager defaultManager]; NSError *error; NSLog(@"File exists: %d", [fileManager fileExistsAtPath:path]); NSLog(@"Is deletable file at path...
I have an Objective-C protocol: typedef enum { ViewStateNone } ViewState; @protocol ViewStateable - (void)initViewState:(ViewState)viewState; - (void)setViewState:(ViewState)viewState; @end I'm using this protocol in the following class: #import "ViewStateable.h" typedef enum { ViewStateNone, ViewStateSummary, Vie...
Developing iphone application using makkit framework. I have got the map view integrated in the application. Wanted some help regarding performing search in a region (local search) using some api , I have tried exploring google java-script API and ajax api but cannot pin point my solution any help would be appreciated. ...
Hello all, I would like to know the meaning of the below written lines with an example. I'm unable to understand what the lines actually mean. The lines are from google's objective-c coding guidelines. Initialization Don't initialize variables to 0 or nil in the init method; it's redundant. All memory for a newly allocated ob...
I have entity Unit and Tag, each with to-many relation to other. I am using NSFetchedResultsController to manage the data. What I need is to return distinct Unit object into NSFetchedResultsController for condition Tag.show == YES. I'm not sure how to feed all this to NSFetchedResultsController. Set entity to Unit or Tag, how to build ...
I would like to have objects in my view which can be dragged and dropped. When they are dropped in a certain area they should disappear and some code should execute. How are objects made draggable in an iphone app? Is it just a button which can be drag enabled? How would one detect the position of the draggable object? Would it be as ...
Distribution certificate recently expired so had to create another one. Everything seemed to work ok - I made a zipped build with the profile & app file. Sent to a co-worker who installed with no problem. Sent to another who had a "signer invalid" message and the client I sent to says they get a "do you want to replace embedded mobile ...
Hey experts, when I click on the header of an NSTableView column, the header gets blue and the little grey arrow shows up. How do I avoid the blue selection and the arrow (but keeping the sorting itself)? As an example for what I want: In Xcode click on the 'Groups & Files' header. Thank your for any help! ...
Hi My application generates loads of images and in order to save memory, I write these files to the temporary directory and read them when needed. I write two versions of the same image to the tmp folder one the thumbnail version at lower resolution and the other is full size. To make the file names unpredictable, I add a string hash at...
Trying to get this to work, and not sure what I'm missing. The idea is to drop images on a NSTableView so that I can grab their paths and do some manipulations for them. I can get the drop to work for NSPastebouardTypeString, but I cannot for the life of me get it to register dragging PNGs from Finder into the tableview. What am I missin...
I'm using a text file to save the changes made by a user on a list (the reason that I'm doing this is so that I can upload the text file to a PC later on, and from there insert it into an Excel spreadsheet). I have 3 data structures: A NSMutableArray of keys, and a NSMutableDictionary who's key values are MSMutableArrays of NSStrings. ...
How can I declare a global integer and use it across my app? ...
I have a fairly hefty project, where I am loading a few view controllers, one after the other. First, a splash screen, followed by a menu system, and when the user clicks on the menu it goes through to an article view controller. Putting all these in with shouldAutorotate... set to YES for all rotations, this works fine. However, I have...
I want to apply a special background to the first cell in my UITableView: I am applying the bg in: - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath This is how it is applied: if (indexPath.row == 1) { cell.contentView.backgroundColor = [[UIColor alloc] initWithPatternI...
I have to do some XCode/iPhone SDK work tomorrow, and i would like to know how I can prepare on Windows. What is the closest I can get to XCode and/or Objective-C developer experience, ideally IOS or similar Objective-C GUI. Can also be say an interface-builder that works in a similar way. I know Hackintosh/Vmware solutions, I think i...
Hello For reasons too boring to describe, I am programatically changing my application's tab bar to move to a different view. Unfortunately that is instant and we would like the normal snazy load effect you get when you would do a pushViewController on a navigation controller. I am very inexperienced with using animations in objc c, I ...
I am working on a project where I have a class which has UIView property. I also define a class which is a subclass of UIView which defines a certain method. If I have the following code, I get a warning when I build: // In this example, myView is UIView property which *may* contain a UIView or // my subclassed-UIView which has the myM...
Hi, i just noticed, having a backgroudn image inside of a UIScrollView along with some other UI-Elements, that they scroll with different speed. i created a UIScrollView child in my main view, added this testing code: -(void)viewDidLoad { [super viewDidLoad]; oRulerYear.backgroundColor = [UIColor colorWithPatternImage: [UIImage image...
Hi all, I am using AVFramework to capture camera frames and I would like to process and display them in a UIImageView but am having some trouble. I have the code: // Delegate routine that is called when a sample buffer was written - (void)captureOutput:(AVCaptureOutput *)captureOutput didOutputSampleBuffer:(CMSampleBufferRef)sampleBu...
Hi All, So I am trying to retrieve data from an XML stream coming from a URL. This URL is configured on a search string the user inputs. Is there any reason why this code should not be working? NSString *searchString = "Geoff"; NSString *updatedURL = [NSString stringWithFormat:@"http://mysearchpage.com/searchQuery=%@", searchString]...