iphone

Does core data handle creating the actual db?

I am learning to use Core Data. I have created a data model etc and have been inserting items using NSManagedObjectContext and NSManagedObject. I have noticed something though - I didn't have to create any db. So why question is - when I create the data model - is that actually creating the db i.e. is that all there is to it? It seem...

iPhone - Changing app settings while application is running in the background

Hi There The problem i am having is if i make changes to the application settings while the application is running in the background the changes aren't available in my app until it is restarted. Am i missing something or is this way it is? Thanks very much. Sj ...

Javascript iPhone code to download and save image in iphone memory from server

Hi, What is the way to download and save image in iPhone memory from server in javascript?? Is it possible?? Thanks ...

Animating UILabel size decrease

When increasing the height of label, everything is fine and smooth. When decreaseing, the label is instantly changing the size then repositioning with animation. @interface @property (nonatomic, retain) IBOutlet UILabel *explanationLabel; @implementation CGRect frmExpl = explanationLabel.frame; [UIView beginAnimations:nil context:NULL]...

Do I need to recompile iphone app after modifying AdHoc distribution profile?

Do I need to recompile, resign the application for AdHoc distribution and re-distribute it to all beta testers after I add a new device to the Adhoc distribution profile? ...

Hiding UIToolBar when calling camera (UIImagePicker)

I have created a UIToolBar using the IB. In one view, I have called the camera and the camera controls are masked by the toolbar. I have tried several methods to hide the toolbar - alpha=0, toolBarHidden, hidesBottomBarWhenPushed and thought how I could re-size the camera view to allow the camera controls to be used. All with no luck....

Triggering swipe and touch events on a mobile web app? - iPhone/Android

Hi folks, wondering here if there is a way I could trigger an event, so that any library listening for these events (e.g. jQTouch, Sencha touch, iUI, ... ). If I could extend or use jQuery for such task e.g. $(...).trigger('event') that would be great to know. Usage example: I need to debug a few web apps by simulating multi touch ...

iPhone application crash (iOS4 Only)

Hi there, My iPhone application occasionally crashs the first time it is run after being installed. After this every time i try and run the app it remains on the splash screen or even a black screen until eventually it dies. I have to restart the device to get the application to work. After this it works fine every time. The only change...

NSString unexpectedly becomes __NSCFDictionary

Hi guys, I have this very strange problem, I'm new to objective-c and it probably comes from depths which I don't comprehend yet. So, in my header file I declare the variable NSString *curTitle; then in .m file I synthesize it: curTitle = [[NSString alloc] init]; after that in other method I assign it: curTitle = string; // strin...

UIImagePicker not showing Original Image from Photos Library in OS 3.1.2

Holy Crap! Really... I'm frustrated with this problem that get me stuck with my apps for a week now. Here is the code - (IBAction)loadTheImage { UIImagePickerController * picker = [[UIImagePickerController alloc] init]; picker.delegate = self; picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary; // picker.sourc...

Convert NSString to double for calculations and then back again to print in NSString

I accept NSString as NSString *value = [valuelist objectAtIndex:valuerow]; NSString *value2 = [valuelist2 objectAtIndex:valuerow2]; from UIPickerView. I want to double *cal = value + (value2 * 8) + 3; NSString *message =[[NSString alloc] initWithFormat:@"%@",cal]; I should be able to get the string in message after I do the calc...

Best Free eBooks for iphone developement

Which eBooks are best and free for iphone developement? ...

iphone internatiolization

I need to show a few texts fetched from web in my app. I need to ensure internatiolisation, but i dont want to keep all the resources locally. is it possible that when i hit server from china i get chinese response ? from japan i get japan response ? what would be the ideal solution ? ...

load iPhone settings

In my App I use push notifications. I have settings to set the maximum amount of push notification per day and more. when the user change the notification status in the iPhone settings to off I want to let the user know it - I use enabledRemoteNotificationTypes. How can I load the settings so the user will be able to turn it on? or eve...

SubView doesn't want to fit into specified frame.

The the problem arises when i dynamically load subview from nib and add it to the current main view during viewDidLoad. UIView *someView = // load from nib someView.frame = CGRectMake(.0, .0, kFormSheetWidth /* = 540.0 */, kFormSheetHeight) /* = 576.0 */; [self.view addSubview:some...

Can I change the UIPopover animation anchor point?

I'm attempting to achieve a "drop down" menu effect with a UIPopover. When I change the height from 0px to 500px it appears to stretch 250px up and 250px down... essentially anchoring the UIPopover at the original spawn point on center. I would like the anchor to be the top of the popover, so that when I adjust the size it is the bottom...

Sqlite doesn't seem to like my delete statement

I've got the following iphone code, which seems to be failing: sqlite3_stmt *dbps; NSString *sql = @"delete from days where day=?1;insert into days(disabled,recipe_id,day) values(?2,?3,?1)"; int rc = sqlite3_prepare_v2(db, sql.UTF8String, -1, &dbps, NULL); ... The 'rc' return code is 1, meaning SQLITE_ERROR (SQL error or missing datab...

UIScrollView crashes app when touched

Hi, I am running into a very annoying problem: I am creating an UIScrollView that containes an UIView that contains some buttons. The UIView with buttons work fine. But the UIScrollView, no matter what I do with it, when touched, crashes. It doesn't make any difference it's empty or not. It keeps crashing. I am very lost and don't know...

Admob for iPhone/iPad

Hello guys! Can you explain me please in short how to start with admob? I registered, but can't find the download link for the sdk. Any good tutorials? Thank you for your help. ...

Can an iPhone application relaunch itself when terminated?

Hi All, Thanks for the suggestion well i am writing in detail about it. I have a requirement to do in my project like this, When the app launch for the first time it should display the device native dialer and then check for callDidConnected in background. once the callDidConnected is true app should launch itself. Here I tried a l...