iphone

how to unzip a file from server and use that in project

i can read html files now but how to download a zip file and extract it locally so that i can use that in my app plz throw some ideas?? Thanks ...

NSPredicate - filtering values based on a BOOLEAN stored value

I have a core data model object called Entry. In this I have an attribute IsFavorite. I would like to use an NSPredicate to filter the results of my NSFetchedResultsController. Currently I am getting EXC_BAD_ACCESS when the fetch executes. NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init]; // Edit the entity name as appropr...

How do you make an image follow your finger in objective-c?

How do you make an image follow your finger in objetive-c? ...

Socket file descriptor for socket created with CFStreamCreatePairWithSocketToHost

After creating a socket with CFStreamCreatePairWithSocketToHost is there a way to retrieve the socket file descriptor of the underlying socket? The reason I ask is that if I create a socket with CFStreamCreatePairWithSocketToHost(kCFAllocatorDefault, (CFStringRef)host, port, &readStream, &writeStream...

Why does Apple recommend using a runloop over GCD for fetching multiple images?

Is it a good idea to load images (1 block each) through Grand Central Dispatch in iOS 4.0? (for use in a UITableView) Why is a runloop preferred by Apple, as illustrated in the WWDC video sessions 207 and 208? ...

How to make UIButton clickable when it's out of bounds.

Hi guys, I set the clipsToBounds property of my UIView to NO, then I created a UIButton half in the bounds, and half out of the bounds. I found that only the part in the bounds is clickable. How can I make the whole button clickable? Any help would be appreciated. Thanks in advance. ...

Calling default handler for UINavigationController

UINavigationController provides with default back button, which will pop the current view controller. I want to add my own handler to the back UIBarButtonItem and after that call the default code so it will pop the controller. I know that I can pop myself in the code, but just wondering if there is a way to call that default routine of f...

iPhone cookie/caching issue on 3G, fine over wifi

I'm having trouble with an old pre-mobile website which uses PHP, MySQL, cookies and HTML forms to log users in, and then track their session (it's a calendar app and messageboard). When my iPhone is attached to my wifi network at home, all is well, but when I switch to 3G the cookies no longer function and the session is dropped. I rea...

Specify which locale the iphone using

Hello all, I would like to use Xcode to know which language the iPhone using, if it is in English language, I will display an English button. If it is in French language, I will display a French button. Do you have any suggestion? ...

Does Apple provides any library or API to manipulate the CalDAV?

Hi, everyone, I want to ask a question about the iPhone application. I am going to write a program which is related to a calendar function. I want to use the CalDAV to do this. However, I am not familiar with the iOS environment. Does the apple provides any library or API for the developers to write the program by manipulating the CalDA...

Add alert or action sheet to UITableView during swiping to delete

I want to pass an object to the action sheet from the declaration of the UIActionSheet, how to do it? -(void)actionSheet:(UIActionSheet *)actionSheet didDismissWithButtonIndex:(NSInteger) buttonIndex{ ...

How to subclass UITableView?

I honestly don't know how to subclass a UITableView. I'm super confused and looking for whatever help I can get. How do I go about "subclassing" a UITableView? Reason I need to do it is because I need for the table to respond to touches on the background so that keyboards can be hidden. I've tried googling but couldn't find anything. Any...

how to handle runtime errors in iphone sdk?

i have already used exception handling..... but it's don't give exception to me.. so please help me.. how to handle run time error.... then my run time error is --- Exec_BAD Access---- ...

what is EKEvent on iPhone?

Hi, everyone, I want to ask a question about the iPhone application. I read the document published by Apple However, I have not idea of the EKEvent, can anyone explain more to me? Thank you very much. ...

Problem with Iphone distribution provision profile

Hi dear all Comrades! I have a problem There is one iphone software product of our company and this product can recieve push_notification messages from our push_notification server this product is going to be on live(namely it is going to be in the APPSTORE) so recently we are doing some testing work,(the product use developer provisio...

Which characters are allowed in iPhone app name

I discovered I probably should rename my app. What characters are allowed in the name? I have searched for the list of restricted characters but have found none. A second question. Apparently the simulator won't allow a slash in the name. Any workarounds (assuming / is allowed)? ...

uiview hidden problems in iphone sdk....

if i was hidden the image view.. run time error was occured or imgView.hidden=YES; imgView.hidden=NO; this two lines are got a runtime error.. how to handle this..... or imgView.image= any one image imgView.image=nil this two lines also got a run time error is "exec-bad access" or "debugging is termnated" how to handle this, please h...

how to add custom message box

hi i am new to ipone. what i need is after running my application if i click menu button it will display about, help just like alert message by selecting about i will open the webpage and by selecting the help it will display some text hoe can i done this. ...

How do I create an app for both iPads and iPhones?

After reading several posts on this matter, I thought I was all clear about my options, until I actually submitted the update to Apple... To my understanding, there are two main approaches for developing for both iPad and iPhone: Create two targets within the same project, one for iPad and iPhone each. Then push both of them to App S...

fully web based iphone client-server application?

Hi, I want to create one simple application for sending request from iphone(client) by using http protocol to the server for adding two integer numbers.server process the request and return the response to the client that is my iphone.retrive the result from server and show the result in my iphone.plz giv me a step by step procedure for...