I've recently created a new class for my iPhone application which will hold information read from a text file containing the street address and GPS points of points of interest. The issue though is that whenever I add code to initialize the class my application loads up and the instantly quits with no errors in the console. When I remov...
I have an NSArray which holds Foo objects defined like so: @interface Foo : NSObject <NSCopying> { NSString *name; } @property (nonatomic, retain) NSString *name; @end and the query: NSPredicate *filterPredicate = [NSPredicate predicateWithFormat:@"name BEGINSWITH[cd] %@", filterString]; //NSPredicate *filterPredicate = [NSPredic...
I want to know how long does it take from posting a notification to getting the notification. The reason is that I want to find out if the observer pattern is suitable for me. I don't want that another view controller can change the value before the notification has been sent and processed. I'm afraid that another process (thread?) is f...
Hi, How can I create a speech-bubble like context menu like in the Safari-Browser on the iPhone/iPad. I would like to create a kind of context help. Thanks in advance, Stefan ...
Hello. I'm diving into iOS development and I'm programmatically creating some labels, but I can't seem to set their background color to black. From what I read, it seems simple enough, here's my code... UILabel *lbl = [[[UILabel alloc] initWithFrame:CGRectMake(x, y, width, height] autorelease]; [[lbl layer] setBorderColor:[[UIColor bl...
I have a modal e-mail construction window that comes up in my app but if I disable all email accounts on my iPad that modal window freezes when called. I would like to check if an e-mail account is active on the device before calling the window...anyone have any ideas? ...
Is there any real need to do this: CGFloat x = 10.0f; CGFloat y = 20.0f; someView.center = CGPointMake(x, y); Instead of this: float x = 10.0; float y = 20.0; someView.center = CGPointMake(x, y); ...aside from style considerations? Are there any performance implications at all? ...
Thank you I learned a lot from this site I have a question I finished the application is running webview But I remain one step keeping the program And send it to the iPhone to try it on two ipa I want to save formulas ipa Thank you ...
Since, I don't have the iPod touch simulator in xcode, and I don't have an iPod touch device there's not much of a way for me to test my app on this device. Since it works on iPhone 3gs and iPhone 4 can I safely assume it works on the iPod touch too? Thanks! ...
Will the viewers be able to click on a link from a description or is this not possible as far as how the app-store works? I'd like to show the users what the app will look like before they buy it by showing them a video of it on youtube. Thanks p.s and no, this is not a marketing question. Only programmers know the answer to this ques...
I am working in a little app for iphone base on ideas used to make an Android app. To test, obviously i use the simulator, but the simulator don't have support for built-in camera. The Android idea to test this consist in use a WebCamBroadcaster Java app in the desktop to capture frames from built-in webcam and pass it through socket. Th...
In previous apps, I've loaded data into a UIWebView using 4 steps: 1. Use an NSURL Connection to grab the data from the web asynchronously 2. WHen the download is complete, convert the NSData object to a string, and manipulate the data prior to display. 3. Write the converted data out to the doc folder 4. Load the data into the UIWebVie...
I have discovered that when my program starts, in one of my viewcontrollers the order of calling is viewDidAppear, viewWillAppear, viewDidAppear. I was not expecting the first viewDidAppear to be called. What could be causing this and how do I fix it? ATM I have a flag in viewDiDAppear to check if viewWillAppear was called, but it's a h...
Hi all. I have a UITableView that shows a list of objects stored with CoreData. I can delete an object using the following code: - (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath { if (editingStyle == UITableViewCellEditingStyleDelete) { ...
Hi, I have a UITableView and I would like it ho have the same effect when scrolling as the picture. (Shadow below UINavigationBar and above of UITableView) How can I do this?: ...
This is probably a dumb post but I've Googled it for about an hour now and can't find anything about it anywhere... I'd like to know how I can have a little movie "square" similar to the ones presented in Safari to play Quicktime Movies or YouTube movies. I'm talking about that :). Is that an Apple private API or can we use the API? ...
Hi there, I am creating an iPhone app in which I am providing a call feature with the help of which a user can call place a call on a specified number. I am able achieve the above feature via open URL. Now after completion of the call I want to resume the execution of app automatically. Although a user can make a fast app switch in iOS...
I want to read the bundle version info from info.plist into my code, preferably as a string. How can I succeed? ...
How do I know when a user taps on the Join button on the UIKeyboard? Also can this text be changed? I know there are several built options but I nee done that says 'Login' if I can. ...
I am trying to present a modal view in a tabbar app. I am using the code - (IBAction)newView { [self.viewController presentModalViewController:viewController animated:YES]; } linked to a button. When the button is pressed, nothing happens and nothing is displayed on the log. This is most likely simple to fix, but I have not found any...