iphone

implementing ipod playback

how can i let ipod playback continue when my app is on the run..... THANKS IN ADVANCE FOR HELP//... ...

how to get names of Photos in PhotoLibrary in iphone?

i need to get the information of photos like the path of the image, name and so on...in iphone. is there a way to get this programmatically using SDKs done on non jailbroken iphone. Thanks Satish ...

I keep on getting "save operation failure" after any change on my XCode Data Model

I started using Core Data for iPhone development. I started out by creating a very simple entity (called Evaluation) with just one string property (called evaluationTopic). I had following code for inserting a fresh string: (void)insertNewObject { // Create a new instance of the entity managed by the fetched results controller. NSMana...

Objective C - Using insertString for an NSMutable string

With a NSMutableString, how would I insert a "-" sign at the index "0" for an NSMutableString called "a". Right now my code looks like this: a = [insertString: @"-" atIndex: 0]; Xcode throws an error saying that 'insertString' is undeclared. Something looks very wrong with my code. Please give me guidance. ...

Enterprise App distribution Query.

Hi All, I have a query regarding deployment of iPhone enterprise application. I have developed an Enterprise application, I distributed to one of my colleague for testing along with ".app" and distribution provisioning profile. While doing this a query came to my mind that what in case if I put this application on my Website with these t...

Does anyone have any experience with playing .midi files through midi->wav conversion or the like on the iPhone?

Does anyone have any experience with playing .midi files through midi->wav conversion or the like on the iPhone? ...

Can I get the color of the pixel at a Touch Point on an EAGLView

I want to get the color of the Pixel at a specific Touch Point on an EAGLView. Is this possible, and if so, how? ...

Objective C - Using deleteCharactersInRange for NSMutableStrings

How would I use deleteCharactersInRange to remove the first character of a NSMutableString? ...

Online peer to peer connection.

Here i am developing an application which uses peer to peer connection. i am able to communicate using WIFI and Bluetooth connection. i.e a devices with in a same local network are able to communicate with each other. Is it possible to communicate online using Bonjour service or any other option for online communication. Please help ...

Problem when set NavigationBar to "Black Translucent" style

Hi Guys, I'm developing an app in objective-c and in that app set the navigationBar to translucent(through IB). But the problem is that the view displayed behind the navigation bar. Anybody else tried working with translucent navigation bars? regards Jayaraj ...

iphone EXC_BAD_ACCESS with NSMutableArray

Ok so I have a UIViewTable and a UISearchBar with two scope buttons. The idea being that when I press a scope button the datasource for UIViewTable gets changed but I am getting EXC_BAD_ACCESS error. I have the following code in my UIViewController SearchViewController.m: - (void)searchBar:(UISearchBar *)searchBar selectedScopeButton...

Objective C - What is the value of a UITextField with nothing in it

I want to refer to the value of an empty text field because I want make an if function that if there is nothing in the UITextField the text of the UITextField will become "nothing". ...

what mobile platform should I start learning?

What mobile platform should I start learning? What matters is: ease popularity of platform low cost of SDK and actual handheld other criteria... ...

UISearchbar clearButton forces the keyboard to appear

I have a UISearchBar which acts as a live filter for a table view. When the keyboard is dismissed via endEditing:, the query text and the gray circular "clear" button remain. From here, if I tap the gray "clear" button the keyboard reappears as the text is cleared. How do I prevent this? If the keyboard is not currently open I want th...

Parsing multiple XML files into one or more Object-classes?

My app is made up of a TabBarController, each tab with a UITableView. On launch I parse an XML file from my server into an Object class and then display the objects in the first tableview. My question is, what do I do when I want to parse a second XML file? Currently, when doing so, the information in "XML-file-2" will overwrite the ob...

Objective-C: unichar vs. char

I'm a little confused between a unichar and a char. Can I treat unichar's similar to char's? For example, can I do this: -(BOOL)isNewLine:(unichar)c { if(c == '\n') return YES; else return NO; } ...

iPhone 3.0 telephone hyperlinks can't be cancelled?

I just noticed that since the upgrade to 3.0 the meta-tag: <meta name="format-detection" content="telephone=no" /> Stopped working in my application. I'm using a UIWebView and everything worked before the upgrade. Any ideas? Anyone else having this problem? ...

How to duplicate an object in Objective C?

The object inherits from NSObject. Is there a method to create a copy of it as a new object? (Edit — I'm trying to copy a UIButton). ...

How do you duplicate a file in XCode?

Anyone know a good solution? So far I have not found a better way than using File>New file and then copying contents from old file to new. You can probably duplicate in Finder and re-import but that's almost same amount of work: switching to finder, duplicate, import new files. Doing this with one class is not so hard, but what to do ...

Objective-C - Guidance on how to make a grapher

After making a quadratic equation solver for the iPhone I want to take it a step further by giving the user the ability to view the graph of the solved quadratic equation. I need some guidance on how to do so using the iPhone SDK and the available frameworks. ...