Hi, is there any easy way of store XML data into core data? Currently, my app just pulls the values from the XML file directly, however, this isn't efficient for XML files which holds over 100 entries, thus storing the data in Core Data would be the best option. XML file is called/downloaded/parsed ever time the app opens. With the Co...
I want to zoom an image in a scroll view. I used the below code. All are working fine, but the image is not zooming. Anyone please help. I am a beginner in iPhone app development. I had connected the delegate to files manager and set max zooming to 5 I can see the image. But how can I zoom it. IBOutlet UIScrollView *scrForImg; IBOutle...
What is the difference between void *bytes = alloca(size); and char bytes[size]; //Or to be more precise, char x[size]; void *bytes = x; ...where size is a variable whose value is unknown at compile-time. ...
I'm struggling a bit with some objective c syntax. Can someone please elaborate on the usage of * in the following instance method. - (IBAction)sliderChanged:(id)sender{ UISlider *slider = (UISlider *)sender; } I realize that we are creating a variable typed as UISlider and then setting it to sender once it is cast as a UISlider....
I've tried to write the smallest chunk of code to narrow down a problem. It's now just a few lines and it doesn't work, which makes it pretty clear that I have a fundamental misunderstanding of how to use AudioFileReadPackets. I've read the docs and other examples online, and apparently I'm just not getting. Could you explain it to me? ...
Hi all, It seems when I scroll my table view that if I select a cell while the table view is still scrolling, didSelectRowAtIndexPath doesn't get called. It works fine when the table view is still. Any ideas on why this might be? Also, is there a way that didSelectRowAtIndexPath can be called on press down? It seems it gets called aft...
How do i add a button to the right of a navigation item in a view controller? ...
I have been an iphone developer for a while, and I have recently been including git in my workflow. I have used git settings found on http://shanesbrain.net/2008/7/9/using-xcode-with-git for my workflow so far. Those settings tell git to exclude *.pbxproj from merges? Is there a real reason for doing this? For example, when I add a f...
I've got a simple question but it has got me confounded. The code below gets an UNDEFINED error for UIControlTouchUpInside. What do I need to include or import? If I comment out the line, it works. So that means forState:UIControlStateNormal is defined. I'm new so hope you can help. UIButton * button = [UIButton buttonWithType:UIButtonT...
I copied the EyeTunes framework into my project and it says that is not declared. In the original project I go to definition and it takes me to AEDataModel.h where it is defined. However in my project it doesn't do that and it's not found. How do I add AEDataModel to my project? EDIT: The error just says typeInteger undeclared. I inc...
Hi, First of all, I want to be clear that I'm not talking about defining a protocol, and that I understand the concept of @protocol someprotocol - (void)method; @end I know that the Obj-C runtime allows creation of classes at RUNTIME, as well as its ivars and methods. Also available for creation are SEL-s. I think I'm just missing s...
I have strings that look about like this: stringA = @"29.88"; stringB = @"2564"; stringC = @"12"; stringD = @"-2"; what is the best way to convert them so they can all be used in the same mathmatical formula?? that includes add, subtract.multiply,divide etc ...
Hello, I'm currently using ... - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { to detect swipes. I've got everything working. The only problem is if the user touches on top of someth...
is there an easy way to init an NSDate with the current UTC date/time? ...
I would like to be able to pop multiple views from a UITableViewController stack. For example in the Apple DrillDownSave example, when viewing Level 3 to go back to Level 1 or when viewing an Item to go back to Level 2 when a button is pushed. I tried: [self.navigationController.parentViewController.navigationController popViewContr...
I am having a weird problem with sending data back to my server. This is the code I am using: NSString *theURL =[NSString stringWithFormat:@"http://www.xxx.com/confirm.asp?theID=%@&theName=%@&empID=%@&theComp=%@", theConfirmNum, tmpNBUserRow.userName, labelTxt.text, theID]; NSLog(@"%@,%@,%@,%@", theConfirmNum, tmpNBUs...
It is my GameEngine.h: #import <Foundation/Foundation.h> #import "GameArray.h"; @interface GameEngine : NSObject { GameArray *gameButtonsArray; } @property (nonatomic, retain) GameArray *gameButtonsArray; And this is my GameArray.h: #import <Foundation/Foundation.h> #import "MyAppDelegate.h"; @interface GameArray : NSObject {...
get an array of bluetooth ID's Broadcast the bluetooth signal manually ...
I'm writing an iPhone application and trying to determine how to find a business name/address from a user's current GPS location (longitude/latitude). For example, if someone if using the application from inside a Starbucks, how can I find this out from their location? Is there a way to do this using mapkit or any API/Webservice? Many Th...
I can create a hyperlink to some url in an NSTextView using the "Link Panel". Or I can add a link manually using the NSLinkAttributeName attribute of NSAttributedString. I don't want to make a hyperlink to some external url though, I want to be able to create a hyperlink to some text within the NSTextView. Do you know how in Pages you c...