If I have a UITextField which the user is inputing a registration number, which has the format: 11-11-1111 (that is 2 digits, a dash, 2 digits, a dash, four digits) How do I force the user to enter this kind of data only (as they are actually entering it)... so they can't enter anything except 0-9 in the first character, and only '-' f...
Hello. I'm very new on iPhone development. I wondering where to put some custom initialization of an instance variables for my UIViewController. Can I use initWithNibName:bundle:? Thanks. ...
Can someone explain to me when it is necessary to define your ivars as pointers? I've seen many code samples that don't use pointers, while others do. ...
Hey. I have seen many apps that load data to UITableViews from the internet, and they usually load smoothly. Now it's my turn to load in that kind of data. I am getting different data at the same time, separating categories with ~ and pieces of categories with #. This works great, and I have managed to separate the data in obj-c perfect...
Possible Duplicate: Is there a best coding style for indentations (same line, next line)? I noticed in Objective C that xcode automatically uses a strange position of braces: if (statement) { } whereas I am used to using: if (statement) { } it just makes it easier to read. Is it a matter of preference or is a standard t...
I would like to create my own google maps mash up exactly like wundermaps but with different data. How can i go about doing this? http://itunes.apple.com/us/app/wundermap/id364884105?mt=8 ...
Hi; I have create a SinglestonClass in my code but i have a problem. My variable are initialized in the -init method but when i call the singlestonClass these variable are re-initialize. Can you help me for create a single initialization for my variable? thanks. @implementation SingletonController @synthesize arrayPosition; @synthesize...
I'm sorry to ask such a simple question, but it's a specific question I've not been able to find an answer for. I'm not a native objective-c programmer, so I apologise if I use any C# terms! If I define an object in test.h @interface test : something { NSString *_testString; } Then initialise it in test.m -(id)init { _test...
Hello, Xcode is doing something bizzare which I at one point in time fixed but now for the life of me I can't figure out what's wrong. Xcode is building my project fine - no errors on a clean-all build. All my product names and info.plists agree, all the settings appear to be correct. I've only got the one build configuration (I alw...
Hi I wish to have it so the view controller's title is different to the tab bar item's title. I have tried the following, inside viewDidLoad [self setTitle:@"My title"]; [[self tabBarItem] setTitle:@"Search"]; But the call to the second function doesn't seem to work ...
Hey. I need to know how you can find out when all processes (loaded) from a - (void) are done, if it's possible. Why? I'm loading in data for a UITableView, and I need to know when a Loading... view can be replaced with the UITableView, and when I can start creating the cells. This is my code: - (void) reloadData { NSAutoreleaseP...
I've figured out how to hide the navigation bar and then show the toolbar it has built-in but the toolbar appears at the bottom os the screen how can i position the toolbar on the top of the scren? here's some of my code UIBarButtonItem *yesterday = [[UIBarButtonItem alloc]initWithTitle:@"Yesterday" ...
Hi, I have an NSString in an NSObject file, I inherited this NSString into my MainViewController where it gets the value. Now, I want to use this NSString value in another UIViewController subclass. From some reason I always get (null) Here's my code: MainViewController: leftWebViewUrl = [NSMutableString stringWithString:leftWebVi...
I have the following: - (NSInteger) numberOfComponentsInPickerView:(UIPickerView *)pickerView { return 2; } - (NSInteger) pickerView:(UIPickerView *) pickerView numberOfRowsInComponent:(NSInteger) component { return [genderPickerData count]; return [agePickerData count]; } When I do this, the UIPicker is split into ...
i want to get date in 2 labels like this Label1:-> Tuesday Label2:-> 2 June 2010 how can i get this value? ...
I want two rightBarButtonItem's on my UINavigationBar. How can I accomplish this? ...
NSArray *results = [managedObjectContext executeFetchRequest:request error:&error]; if(results == nil){ NSLog(@"No results found"); searchObj = nil; }else{ if ([[[results objectAtIndex:0] name] caseInsensitiveCompare:passdTextToSearchFor] == 0) { NSLog(@"results %@", [[results objectAtIndex:0] name]); searchO...
I have a RootViewController that is loading a UITableViewController from an external NIB. I am not sure how I can add a toolbar to the RootViewController so that it appears on top of the UITableViewController? When I drag a UIToolbar onto my screen, it replaces the UITableView ...
Interface Builder Question I know there's a way to change the background color of a table, but is there a way to change the text color? Please Help ...
Can anyone point me in the right direction regarding sliders, the version below was my first attempt (the range is 0.0 - 100.0) The results I get are not right. // Version 1.0 -(IBAction)sliderMoved:(id)sender { NSLog(@"SliderValue ... %d",(int)[sender value]); } // OUTPUT: // [1845:207] SliderMoved ... -1.991753 // [1845:207] Slid...