Hi all, When you dismiss a modal view controller is that view controller object destroyed ? Also if you represent the same view controller again does it load from fresh - e.g is the "view did load" and "init" method called ? ...
Hi all, first post. Been an iPhone developer intern for about five weeks now. I've read a lot of introductory Apress material, but please take it easy if I make some vocabulary violations. So far I've been able to find answers by searching and lurking. However I now have a task for which I can find little relevant information. My iPhone...
How would this code be different if the method was in a different class? [saveButton addTarget:self action:@selector(saveArray) forControlEvents:UIControlEventTouchUpInside]; ...
Hi, I was using NSMetadataQuery to find files which creation date is more recent than a NSDate. It seems that NSMetadataQuery cannot find files which creation date is more recent than the specified NSDate for one hour. I mean if the creation date of a file is today at 12:10:50, the query return no result if I set today 11:10:49 as NSDate...
I have a navigation controller based app. My views consist of two tableviews laid out like this: Category Item within category Basically i allow users to create the categories using the + button on the navigation bar. Then they select a category, and can then press the + button again to create items in that category. My problem ...
I am trying to copy a uiimage (ultimately I am planning to blur the copy). Right now the copied image shows correctly in the simulator but ends up rotated 90 degrees when running on the device. I am using the following to create acopy: CGImageRef cgImage = [sourceImage CGImage]; // Make a new image from the CG Reference UIImage *c...
I have an image I am loading into a UIWebView as such: NSData *data2 = [[NSData alloc] initWithBytes:sqlite3_column_blob(selectstmt, 7) length:sqlite3_column_bytes(selectstmt, 7)]; if(data2 != nil) { [webView loadData:data2 MIMEType:@"image/png" textEncodingName:nil baseURL:nil]; webView.backgroundColor = [UICo...
I want to be able to support iOS 3.x users. When I try to set the Base SDK in Project Info, the only SDK that appears is iOS 4.1 and iOS 3.2. How can I add additional SDK's so I can support older users when my app hits the App Store? ...
I wonder how I can use the constants NSLineSeparatorCharacter and NSParagraphSeparatorCharacter as a parameter to a function instead of hard coding \n. - (id)initWithSeparator:(id)separator { m_separator = separator; } What would be the correct parameter type and what conversion needs to be done? Depending on the file contents I wish...
HI all, What happens if you repeat the following code more than once ? pointer * mypointer = [[object alloc]init]; Do you just increase the retain count of that object by one again ? Thanks, Martin ...
Hi everybody I'm programming an iPhone application. This application contains a home page, which I would like to be almost the same as the one in facebook for iPhone : rows of icons, each icon corresponding to a category of my application. I'm a newbie in iPhone development, and I can't find which control is used to show this view. Cou...
Hey, I'm a newbie to Objective-C, but please help me out here. What I'm seeing is that Method signatures in Objective-C that take multiple parameters seem inconsistent. Example: - (void) sendEmail: (NSString *) toStr subject:(NSString *) subjectStr body:(NSString *) bodyStr; Ok, so here we have 3 "parameters" (at ...
Hi there, Does anybody know if there is an implementation of the wikipedia api in objective c? which can be used to access and display the information a bit nicer then with the plain website. I'm thinking of something like the wikipanion app but not so sophisticated. Thanks Joerg ...
I have finally gotten my first app to work properly and I'm attempting to send it to the App Store. In my Application Loader, I'm getting this error: Info.plist does not contain a CFBundleResourceSpecification I have read on the following SO question that this could be because I am Building on the simulator and then zipping up the app...
Hi, I am trying to create a custom cell with an imageview, button, textview, and a label #import <UIKit/UIKit.h> @interface CustomCell : UITableViewCell { IBOutlet UILabel *nameLabel; IBOutlet UITextView *inputText; IBOutlet UIImageView *image; IBOutlet UIButton *btnBuy; } @property (nonatomic, retain) IBOutlet UILab...
I have an IBAction button that I would like to enable after a 30 second delay. the button would be in the view but disabled for 30 secs. does anyone know how I would go about doing this? here's what I have - a simple IBAction that plays some audio: -(IBAction) playSound:(id)sender { [theAudio play]; } thanks for any help. ...
I'm hiding a subview from a CustomView element with the following code: [[[theViewcont subviews] objectAtIndex:0] setHidden:TRUE] how can i add a fade animation on hiding this NSVIEW? ...
I can declare NSMutableArray or NSArray but I want to declare class array. Let say user is a class so I can declare array as: user* obj[10]; it is valid in Objective c, but I am not sure how I can set array capacity dynamically. Which we usually do with MutableArray as initWithCapacity:.. This is what I am doing with class: user* o...
Looks like its related to NSURLConnection, but not sure how I can diagnose? Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x1ab98c00 Crashed Thread: 0 Thread 0 Crashed: 0 libobjc.A.dylib 0x000027da objc_msgSend + 18 1 CFNetwork 0x000...
I'm having a few teething problems with coredata, but feel it would clear things up for me greatly if someone could explain some simple cases to me. I want to put my model into coredata, and at a most simple case take advantage of undo/redo. Thing is, all the examples I see tend to store either strings or integers. What if I have a clas...