iphone-sdk-3.0

How to send images to a web service?

Hey, can anyone post a sample code demonstrating how can images (jpeg, png) be posted on a local web service. Sayeed ...

iPhone UIView resources

Hi There, I have been looking for little more deeply UIView introduction resources, such as e-book, video or tutorials. Positioning, subclassing, frame, bouds, subviews, creating programmatically, loading from xib, both, etc. I didn't find good resource about it, I would like to hear suggestions ? Regards ...

How to insert data coming from web service into sql database in iphone??

Hi, I am developing an app where I need to insert data coming from web service into sqlite3 database.Web service returns XML data with 5 tags.Now after XML parsing how to insert parsed data into sql database? Can I code for this??? Thanks in advance.. ...

CJSONDeserializer deserializer

Hi.. I hve code like this: NSDictionary * dict = [[CJSONDeserializer deserializer] deserializeAsDictionary:jsonData error:&error]; i hve 2 php calling method coding is same for both. it retrieves for 1st php where as 2nd is dict 0 pair key/value , also it shows jsonstring in console. i dont know why dict is null,may be CJSONDeserialize...

how to trap the location alert response iphone

Hii, I am using GPS in iphone and it show conformation message for use location service. and i want to trap what user select "Allow" or "No". can any one suggest how i do this? Thank ...

Playing Sound With OpenAL

Whats the best way to play a sound using OpenAL in xcode 3.2.2 on a 3.1.2 SDK im pulling my brains out at the moment. I've followed ben brittel and mike daley's tutorials on openAL and ive implemented all the things needed to play sound. Basically i creaed a sound manager class with the help of their fantastic tutorials. The only proble...

Set front-facing camera in iPhone SDK

I would like to have my app open the camera (presently UIImagePickerController ) front-facing if available. (Iphone SDK). How can I do that? ...

Developing for iOS4 with XCode 3.2

Can you develop for the latest iOS4, using XCode 3.2? Do I need to get the latst SDK? I know there is a new XCode coming out but it isnt released yet right? ...

how to trap the location alert response iphone

Hii, I am using GPS in iphone and it show conformation message for use location service. and i want to trap what user select "Allow" or "No". can any one suggest how i do this? Thank ...

dimming a UIView

Hey everyone, Can someone tell me how do I achieve the UIActionSheet like behavior? I have a view that slides from bottom on button click. Now when this happens, I want my parent view to dim out and this "scrolled-up" view to remain sharp. What's happening because of [parentView addsubview: scrolledupView] [parentView setBackgroun...

ffmpeg for extract a frame from iPhone video camera

I am trying to extract an image frame from a video taken from iPhone camera using ffmpeg. But it usually throws me a EXEC_BAD_ACCESS and the stacktrace is showing in another method calls that is never called (I know my code didn't call it) I am using the ffmpeg built from the instruction of the iFrameExtractor website. If anybody do it ...

change image on iphone screen's wallpaper

Hi , I have a collage image ( many images clubbed together ) , and at the center i have an advertisement banner for example visit the following sample image Now, in my application user can set this image as a wallpaper in iphone screen. now what i want is to keep changing advertisement banner (here is is MC Donald's) inside this im...

Converting NSString to NSDAta

Hi all, in my project i want to convert NSString value to NSdata without encoding, i.e i am using NSData* aData = [[NSData alloc] initWithData:[[self getStringValue] dataUsingEncoding:NSUTF8StringEncoding]]; when i am using this the string value is encoded but i want the same string value without encoding, How can i get this Thank ...

Why does a check for UIGestureRecognizer find it on iPhone OS 3.0, when it was introduced in 3.2?

I'm using UIGestureRecognizer for the first time and I want my app to run on iOS 3.0 onwards. Since Apple clearly states that the library is available in iOS 3.2 and later I used the following code: // Make sure that Gesture recognition technology is supportted by the device SDK version if ([UIGestureRecognizer instancesRespondToSelecto...

UIImageView simply does not appear in custom UITableViewCell

I have a table cell to which I'm adding subviews programmatically. All the textual subviews work fine, but I can't get an image subview working at all. You'll notice that I set the background color to black. This is simply to indicate to me that the subview is indeed being initialized and positioned properly within the cell. When I remo...

Subclass methods being ignored in Obj-C?

I have some confusion about an error in my Obj-C project. What I'm doing is fairly simple and don't understand what I am missing here. I am just creating a very simple method in a subclass of UIImageView, and then instantiating that class. When I try to use the method from my instance, the compiler complains it is not implemented (althou...

Distance between 2 MKAnnotations ?

I am nearly sure, that i have seen a method (provided by the Apple-SDK) a time ago, that could find the distance between 2 MKAnnotations. That time i havent seen a use in the funktion. But, how it goes, now i would like to have this function but i can´t find it anymore. Can anyone please help me ? Maybe i have just something wrong in my...

Correctly debugging IPhone Apps on XCode

The line below has an error, can you see it with a naked eye? NSString *title = [sender titleForState:UIControlStateNormal]; NSString *newText = [[NSString alloc] initWithFormat:"%@ button pressed.", title]; When the Iphone simulator executes this line it crashes without any other information. I must be missing something about debuggi...

Adding subview over parent View

Hey all, I have a navigation view controller and I want a subview to slide on top of it when a button in the parent view is clicked. Now, the thing is when I do this: [parentView addSubview:slideView]; [UIView beginAnimations] //setting the frame for sliding [UIView CommitAnimations] the sliding view goes under the navigation ba...

UIView on top of parentView

Hey all, I have a navigation view controller and I want a subview ( just a view and not a view controller) to slide on top of it when a button in the parent view is clicked. Now, the thing is when I do this: [parentView addSubview:slideView]; [UIView beginAnimations] //setting the frame for sliding [UIView CommitAnimations] the ...