iphone

UIPickerView: last value followed by first value

Hi! Can anyone help me how to make the UIPickerView displays the first row's value after the last row's value, just like the UIDatePicker where after 12 the 1 will follow. Thanks ...

SQLite journal file not going away

Hi all I have an sqlite database I am writing and reading from. Most of the time I am writing, but occasionally I read something. The routine for writing (skeletonized, error checking removed etc..) goes something like this: st1 and st2 are already prepared along with the initialization of the database. -(BOOL) saveHvalue:(int) fid t...

MPMoviePlayer - subview/overlay disappears upon replay/loop

I'm adding a subview/overlay starting from the MediaPlayer example project. The difference is that I'm trying to loop using the following code in the moviePlaybackDidFinish notification: moviePlayer.initialPlaybackTime = -1.0; [moviePlayer play]; That weird initialPlaybackTime property keeps the video from flickering on subsequent lo...

Can I use an EAGLView in my UIViewController?

I have a UIViewController that instantiates several UIImageViews on the screen. Is it possible to instantiate an EAGLView (like the one in the OpenGL ES template in the iPhone SDK) in a similar manner in my View Controller, and possibly have the UIImageViews as well as an EAGLView all running simultaneously on the same screen? ...

iPhone dev - help with using Model

(By the way, I don't use Interface Builder) I have a little project consisting of a root UIViewController which manages 5 other View Controllers with a UITabBar, I'm not using UITabBarController. The Root View Controller only ever keeps one of its View Controllers instantiated, when a tab bar item is selected, the View Controller ...

Read and update a Dictionary type PSMultiValueSpecifier from NSUserDefault.

Does anyone know how to easily read a Dictionary type PSMultiValueSpecifier from NSUserDefault into a UIPickViewer control and save changes back to NSUserDefaults using iPhone SDK 3.0? If so, can you post some specific code to efficiently do this? ...

How can I organise my resources into folders?

I'm working with a lot of files in my resources directory and I'd like to create folders to organise them. I've made a folder of plists, but I can't access it. Here's the code that works: NSString *path = [[NSBundle mainBundle] pathForResource:@"test" ofType:@"plist"]; and the code that doesn't work: NSString *path = [[NSBund...

2 buttons having the same functionality in iphone application

Hi, I am creating an application with call functionality, I want to have the phone image on the right hand side and the name of the contact on the left hand side. Currently this has been implemented by placing the 2 buttons side by side, hence if the user clicks on any of the buttons, the same functionality (calling the contact) happens...

Can my iPhone app register to receive push notifications meant for another app?

This may be a pretty basic question, but here goes. I develop an iPhone app that is a third-party client for a popular webapp. This webapp has it's own iPhone app to which it publishes push notifications. Is it possible for my app to register to receive push notificatons Sent by the webapp and intended for the webapp's native iPhone app?...

read a Dictionary type PSMultiValueSpecifier from NSUserDefault into a UITableView

Does anyone know how to easily read a Dictionary type PSMultiValueSpecifier from NSUserDefault into a UITableView control and save changes back to NSUserDefaults using iPhone SDK 3.0? If so, can you post some specific code to efficiently do this? ...

passing object from iphone app to library in object C

Hi there, I've one application and two lib files. Application initialize a class object which need to pass to another class which is in the library. How can i do that? Here is what i did but it just crash mainClass.h @interface mainUIDelegate: NSObject<UIApplicationDelegate> { bla bla... myCppClass myCppObject; } mainClass.mm -(v...

Set OpenFeint Custom Start Tab (iPhone App)

I'm currently setting up OpenFeint for an iPhone application. By default, the first tab that loads is "Friends" (the third tab in the tab view list) but I'd like to customize this to load the main tab for our application (the first tab in the list). Anyone know how to accomplish this? Any help would be much appreciated. ...

iPhone dev view swapping

So I'm trying to find out the best way to swap views for an iPhone game I'm making. I have a "root view controller" that has a reference to all the view controllers I want to swap between. So I add the main menu view to this root view controller - [self.view addSubview:mainMenuController.view]; - Then in the main menu view I have an in...

Info light button problem

Hi, I am added Info light button in UIToolbar in UIViewController Xib .....Now i want to increase the size of the button ..I am trying to increase the frame size of the button in xib.But, its dont have an editable frame size.... I want to increase the touchable area.... Can anyone help me? Thanks in advance... ...

How to prevent drawings to a UIView context from dissappearing?

I'd like to create a simple fingerpainting feature in my app. Problem is any drawings I do to my UIView subclass view instance are erased after each drawRect call... How do you go about preserving your context drawings in your UIViews? ...

MPMediaPickerControllerDelegate error

I get an error when trying to use MPMediaPickerControllerDelegate even though I have added the reference to the framework and added #import <MediaPlayer/MediaPlayer.h> The error I get is: "error: cannot find protocol declaration for 'MPMediaPickerControllerDelegate'" I'm trying to have a single binary work for iPhone OS 2.2 and 3.0,...

iPhone Loading an Image from a URL

Hi, I am experiencing some issues when I load a UIImage from a URL into a UIImageView on the iPhone. When I generate the NSURL (with the URL in the argument of NSURL's URLWithString method) using properties of an object, the image is not retrieved at all, however if I hardcode the same URL, the image is retrieved and displayed as expect...

Weird duplicate symbol in iPhone sdk project when compiling?

My project was working fine the whole time, today I added an admob library to my project and now it won't compile! Here is the error: ld: duplicate symbol .objc_category_name_NSCharacterSet_NSCharacterSet_Extensions in /Photo/libAdMobSimulator.a(NSCharacterSet_Extensions.o) and /Photo/build/Photo.build/Debug-iphonesimulator/Photo.build...

Alloted times for startup shutdown of iphone apps

How much time is given to the startup and shutdown of an iphone app (and possibly other important routines). I have had programs killed on my iphone by the OS which was overzealous? ...

ObjectiveC Copying object from one NSMutableArray to another "invalid lvalue assignment"

Hi, I'm trying to make an object in one array equal to another. If I set each property individually, it works fine, but I want to set one object equal to antoher without writing a function to run through each property. -(void)DrawCard: (int) wp{ [self GetNc :(wp)]; if (nc > 0){ ((card*) [[Hands objectAtIndex:wp] objectAtIndex:nc]) = (...