I have an NSNumber being passed to be via a 3rd party API, and when I call intValue on the index I get a EXC_BAD_ACCESS error: -(CPFill *) barFillForBarPlot:(CPBarPlot *)barPlot recordIndex:(NSNumber *)index; { NSLog(@"bar index %i", index); int value = [index intValue]; } The output I get in the debugger is: bar index 0 ba...
Hi, i'm having a little problem here and i cant figure out whats wrong. I have a simple setup. A CCLayer-subclass, in it's init-method I initialize a CCSpriteSheet and add it as child to the layer. - (id)init { ... enemySprites = [CCSpriteSheet spriteSheetWithFile:@"rock1.png"]; enemies = [[NSMutableDictionary alloc] init]; [self ad...
i tried Run Gurad malloc for my app and i got this message GuardMalloc: Allocations will be placed on 16 byte boundaries. GuardMalloc: - Some buffer overruns may not be noticed. GuardMalloc: - Applications using vector instructions (e.g., SSE or Altivec) should work. GuardMalloc: GuardMalloc version 18 i dont know what is this good or...
in uiresponder , - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event; what's the difference between [event allTouches] and [touches allObject]? ...
Hey guys, we know that on IOS4, switch among several apps, the whole state of each app will be saved, when come back to the original app, the app will stay where it was. If user closes the app(from the app list on the bottom by double-click home button), then launch it again, the app will run from the beginning. I'm wondering if there...
I have a view with a custom slider. We are using a subclass of TableViewController that is generating instances of UITableViewCell. Inside each tableViewCell we add our custom slider (a UI View) as a subview. In here we have a view that serves as the slider's control knob. It is just a subclass of UIView with a gesture recognizer. The dr...
Hi, I'm looking for an efficient means of copying an online file to the local iPhone. Something like RSync would be an ideal technology to use, since it only transfers the bytes that are different; does anyone have experience with anything that fits my description? What I'm specifically trying to accomplish is the transfer of an SQLite...
I have been trying to have a UIBarButtonSystemItem in my toolbar and it always defaults to the standard blue. If I create it with an image or title it works fine with the correct color, try it with UIBarButtonSystemItem and it goes to the default color and nothing I have found on the internet works. heres the code: UIBarButtonItem *ove...
I'm having trouble with a simple threading example. I know my methods aren't complete, but as of now, I want to press the start button and have that fire off a thread that increments a counter every second. I know it's connected in IB correctly since the NSLog tells me it gets to my timerThread method. But then it immediately jumps ba...
Hi all, i knw this wat we use for vibration #import <AudioToolbox/AudioToolbox.h> AudioServicesPlaySystemSound (kSystemSoundID_Vibrate); but how to stop vibrating? i mean i want a switch through with i want to activate or deactivate vibration. HOw to do dat??? regards ...
I'm trying to display a UIImage in real-time coming from the camera, and it seems that my UIImageView is not displaying the image properly. This is the method which a AVCaptureVideoDataOutputSampleBufferDelegate has to implement - (void)captureOutput:(AVCaptureOutput *)captureOutput didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer...
What is the best way to distinguish on a server between a request that came from an iPhone through the web browser vs through an iphone with an app written in objective c? What differences do I look for in the user agent string? ...
Hi everyone, I am develop a stock view app on iPad. I figure out that qtstalker app can run on Mac, with Qt library. Now I can run qtstalker on Mac, compile with XCode after qmake all the subdirectory of qtstalker. Now I would like to port this program to iPad. I know that I can not port completely without modification. How I can confi...
I would like to display my application running on iphone on a big screem, either TV or using a projector. After a long search I heard about the undocumented API MPTVOutWindow which fullfill's my requirement. But i think this is not approved by apple. Is there any other options available in latest SDK to TV out an application ...
Hi Im looking for examples of well written Cocoa Touch iPhone apps to help me see what good cocoa code looks like. Specifically im interested in how people have layed out standard navigation apps. I am also interested in how different people have layed out the model/view/controller files as well as general naming conventions etc. Code...
I have UIViewController in Viewbased application. I want to push another UIViewcontroller from it. -(IBAction) Myfunction { MedicineSearchSystem *medicineSearchSystem = [[MedicineSearchSystem alloc] initWithNibName:@"MedicineSearchSystem" bundle:nil]; [self.parentViewController:medicineSearchSystem animated:YES]; // Crash her...
Hello, i am trying to delete cell on tableview with sliding finger (like on the recent call) i know i need to implement - (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath { NSArray *index = [[NSArray alloc]initWithObjects:indexPath]; [...
Im having a little problem on handling touches in my apps. I set my touchesBegan like this: - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { UITouch *currentTouch = [[event allTouches] anyObject]; touchPoint = [currentTouch locationInView:self.view]; if (CGRectContainsPoint(image1.frame, touchPoint)) { ...
Hi all, Currently I am showing a modal view controller for some info . I want to show or hide the modal view controller with full page curl animation . Currently I am showing this modal view controller from one of the view controller of the tab bar controller . I have the option of partialpagecurl in the modalTransitionStyle property...
Hello.. I'm having a problem with relationships between to entities in Core Data. I'm parsing some JSON and adding the entities: if ([hourSets isKindOfClass:[NSArray class]]) { // check to see that we have got some hours back for (NSDictionary *hourSet in hourSets) { Hourset *thisHourSet = (Hourset *)[NSEntityDescription ...