I am a little stumped as to how to instruct a programmatically created NSSegmentedControl to use a subclass instance of an NSSegmentedCell.
If I want to use a subclasses NSSegmentedCell on an NSSegmentedControl built using IB it would be as simple as doing the following:
Drag an NSSegmentedControl into the NSView
Click through to the ...
Hi, if I have a uiviewcontroller with a instance variable "direction". I can do
MyViewController.direction
but if I don't want the value but a string with the variable name, so I want @"direction".
Is it possible?
thanks, alex
...
I'm trying to lead a TIFF image into a CGImageSource using CGImageSourceCreateWithURL. My URL is correct, is %20 encoded, is a path to an existing file, that file is a TIFF. However, the line:
NSString *fullPath = [[[fileNames objectAtIndex:pageNum - 1] string]
stringByAddingPercentEscapesUsingEncoding:
...
I stumbled into a problem when I hit the "build and analyze" button on the Build menu in my Xcode. The analysis suggest me to release a variable that I wish later on to be returned. The code is like following:
- (MKAnnotationView *) mapView:(MKMapView *)mapView viewForAnnotation:(id <MKAnnotation>) annotation{
//I do some other th...
I am getting an interesting crash that I can never seem to replicate on the simulator:
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x00000008
Crashed Thread: 0
Thread 0 Crashed:
0 libobjc.A.dylib 0x3212e86c 0x3212c000 + 10348
1 StockTwits 0x00016b06 0x10...
This is a weird one. On and off as I have been working on my application, this problem has popped up, and then it has always mysteriously vanished. Today it is refusing to vanish.
My app uses two view controllers to handle auto rotation. Sometimes, Objective-C can't find my classes. For example [OneViewController alloc] will crash. ...
Before my view loads I call:
[theConnection cancel]; //assume theConnection is an NSURLConnection
I then proceed and make my proper NSURLConnection.
Will calling cancel before a connection is even made cause any problems?
...
What is Document directory structure after Updating version of the application ?
is it replacing old with new Document Folder ? or it is just updating document folder ?
please help....
...
I'm building a To-Do-List application which uses the following objects:
NSTexField for data entry
NSTableView to display the data (just string objects)
NSButton that when clicked will add the contents of the NSTextField to the NSTableView for display.
What I want to do is replace any given string in any row in the NSTableView with an...
Hello!, I have a tabBarController with 4 tabs. In the fist one I need to show an UINavigationController which has a UIView in it. When the user presses a button inside that view I need to display another UINavigationController in tab 1 replacing the old one. Is this possible?
I tried using this code with no luck
UINavigationController ...
I have a property called currentViewController which I declare in my DetailViewController as:
@property (nonatomic, assign) UIViewController *currentViewController;
and import it in my MasterViewController.
For some reason the class is not seeing this property unless I explicitly cast it:
((DetailViewController *)detailViewControlle...
Hi. I'm setting up a custom button with an oval background image in UIView.
In iPhone OS 3, [UIImage:stretchableImageWithLeftCapWidth:topCapHeight:] works fine.
But, in iOS 4 with iPhone 4 (means Hi-Resolution), the background image doesn't stretch out.
Here's the code in question:
UIButton* btn = [UIButton buttonWithType:UIButtonTyp...
Is there an equivalent (or vaguely similar) to PHP's strtotime in Objective C/iPhone?
strtotime can for example understand the below time expressions (from the php documentation):
echo strtotime("now"), "\n";
echo strtotime("10 September 2000"), "\n";
echo strtotime("+1 day"), "\n";
echo strtotime("+1 week"), "\n";
echo strtotime("+1 ...
Hello guys!
Here's my code:
NSLog(@"rc: %d", [_pagesButton retainCount]);
NSMutableArray *anArray = [[NSMutableArray alloc] initWithArray:_toolbar.items];
NSLog(@"rc: %d", [_pagesButton retainCount]);
[anArray removeObjectAtIndex:2];
NSLog(@"rc: %d", [_pagesButton retainCount]);
[_toolbar...
I am trying to grab a number from a text box entry, convert it to string and grab the length of it. (IE: Perform a LEN(someInteger) on a number).
I have been able to get it working, however there are some inconsistencies when the number is 0 or null.
For example;
-(IBAction)update
{
// inputField is the number pad textbox
doubl...
I have used following code to set background color
[self.view setBackgroundColor:[UIColor groupTableViewBackgroundColor]];
but it results into black background instead faint lining blue? Where am i going wrong?
so how to get proper groupTableViewBackgroundColor?
...
Hi,
Is there a way to know if the hitTest:withEvent: method is being thrown because of a touchesBegan, touchesMoved or touchesEnded event?
by now I only do:
if([event type]==UIEventTypeTouches)
{
}
but this is not exclusive enough
...
hi,
I am writing a program that would allow for online currency exchange on a MAC, I wanted to use the information on www.xe.com .
I was wondering if
A) if it would be possible for me to do that. and if yes the
B) if it would be possible for the program to send the user input to the website and then fetch the result and display it in ...
Hi
I want to show user there is a more content below but UITableView only shows scroll indicator when we scroll the tableview. There is any way, so I can show scroll indicator always
...
Hello guys!
UIImage *image = [[UIImage alloc] initWithData:data];
((YKSubCategory *)[_subCategories objectAtIndex:connection.tag - 1]).menuImage = image;
[image release];
Here is the code I've written. The data is exists and the designed image is created. (I've tested it with an imageview and the image appears).
The problem comes when...