iphone

What Operations are not supported in Sqlite Database?

Hello, I have heard that Stored Procedure is not supported in Sqlite DB. is it true ? what are the other operations that are not supported by Sqlite? Which other Db we can use for Iphone? ...

problem by redirected url

opening http://ystatuschecker.com/n/iwall.php?tedad=1 by browser in safari in mac will redirect to http://ystatuschecker.com/n/iwall.php?tedad=5000 i don't know why in my code it's never redirect . http://yahoo.ir will redirect to http://world.yahoo.com what's wrong with my URL? NSURL *originalUrl=[NSURL URLWithString:@"http://y...

NSInvalidArgumentException when trying to hide UIButtons...

Hi I am trying to create a series of buttons. Some of which hide behind each other. For example I have a play and a pause button which are located in the same area. If the play button is pressed then it is then hidden and the pause button is shown. And vice versa. This works fine however I also have another button which shows an UI ale...

How can I detect the day of the week and the time, and then display data in a tableview based on the current day and time?

I have a list of data that is a schedule. Each item has a time that it takes place in. I want to detect the current day and time and then display what items are available during that time. All I really know is how to get todays date and time and that I need to create a method to look in my data at what is currently "playing". Any sug...

Objective C @property comments

I use Doxygen to generate docs for my objective c code. Up to now though, I haven't been able to find any guidelines for how to correctly document properties. Examples I've looked at do it every conceivable way. Some people document the variables themselves, some people document the @property declarations. Some use //, while others u...

iPhone multi-threaded AddressBook manipulation

Hi, I have been using the AddressBook api of the iPhone for some time now. But doing some refactoring to improve application performance I have decided to "reuse" the ABAddressBookRef returned by AddressBookCreate because I noticed there are large performance improvements doing that. However, I am getting EXEC_BAD_ACCESS errors now ra...

iPhone Stock/Ticker Search

I'm trying to build a financial iPhone app that has a stock search as one of its features. I noticed that the Bloomberg app (and the default Stock app) query online whenever they're looking for stocks. Does anyone know how they do this? I once built a PHP backend that queried the Yahoo Finance API using http requests but I doubt this i...

ipBest Practice IPhone Interface Design

I'm trying to figure out the best way to display a long list of controls that go off screen? If you have played or seen IMobsters, it's kind of like the missions tab. There are 15 jobs, each job "section" would have 4 labels, 2 buttons, and an image. I want some static info at the top, then be able to scroll through all the jobs. Als...

multipart/x-mixed-replace with iPhone SDK

I'm trying to download several images in response to a single http request. On the server side (java) I'm using oreilly multipart response and I'm getting my datas in my iPhone Simulator in didReceiveData (approximately one call for each image) after a call to didReceiveResponse (approximately one call for each image as well) in my deleg...

Plot Title/Annotation

Hello, I want to add a title to my graph that gives a short description or name about the plot. For example, I have a table with a list of products and my graph shows how much those products cost. There should be a label/annotation superimposed on the graph that gives the name of the product. ...

Core Data best practices question for Navigation iPhone App

Using Apple's Mail application as an example; pretend it uses Core Data. When you touch an email account, it shows you all the messages in that account. So the controller did a fetch request for all the messages in that account. Then you touch a message and drill one level deeper, now you are viewing a single message. This single messag...

How to know, how much I scrolled in a UIScrollview?

Hey guys I have an image of 3200x480 and I have also 4 tabs. All the Views in the 4 tabs have the same image. What I want to do is that when I scroll lets say the first view to any point all the others views in the other tabs also scroll their images to the same position? Any tips? I tried with contentOffset and contentInset, but I wa...

What happens to a thread's memory when it is cancelled?

I'm writing code to check if there is a network connection present. In a nutshell, the order of events that I want to occur goes like this: User requests information from a web service. A timer starts, and checks every second if a connection exists. If it doesn't, put up a view. When the information is all received from the web servi...

Orinentation to landscape of a webview no longer works, after having worked.

The uploaded app has not been touched. Is there something that could have been inadvertently changed in the html on the remote server, that could have affected this? Are there any known issues? ...

Trying to upload image from iPhone to server using ASIFormDataRequest

I'm trying to use ASIFormDataRequest to send a photo image from my iPhone app to my server. When I do so, the server sends back an error message saying, "must be an image file," implying that there is something wrong with the formatting of my image. (Of course, that might not be the problem...but it's a good place to start.) I know ...

UIScrollView within UIScrollView

I have got a hierarchy where UIScrollviews exist within each other. How may I redirect swipe events for a certain area to an inner scrollview? ...

Scheduling iPhone application execution

I'm writing an iPhone app for a client, and they have requested a feature whereby the app "wakes up" at certain times during the day to display a message to the user. I'm well aware that I can't have the application run in the background and simply move to the foreground at the appropriate time (short of requiring jailbreaking, which is...

How do I change or animate texture maps on openGL ES 1.1 objects?

I'm building a game that has an array of 7 * 5 tiles, similar to Scrabble tiles. The two main faces are supposed to have different letters on them. I've created a single geometry that I reuse by translating in x and y. I can change the letter that is mapped to the face of ALL the tiles, by setting the values in my glTexCoordPointer. My ...

iPhone SDK - Get image from camera/camera roll, process w/ OpenGLES

I am writing a basic image processing app. Right now I have code in place to load an image via the Camera or the image picker and set it as the source image for a UIImageView object in my interface. The object is configured with the "Aspect Fill" property, so I don't have to programmatically crop the image. Looking at the sample code pr...

Fade In and Out Audio in iPhone SDK

Hi Everyone: I am wondering if there is some way to fade in and out audio using AVAudioPlayer in CocoaTouch, with a pause command once the music finishes fading and then a play command once the fading begins. I have heard that one can use NSTimer for this purpose, but I am unsure of the easiest way to accomplish this. Thanks for any h...