iphone

problem at opening compose mail

hi i am new to iphone. what i need id i have to open [email protected] on button click. i need simple compose mail with to address [email protected] how can i done this pls post some code thank u. ...

How to addSubview with a position?

I have something like this: myViewController = [[MyViewController alloc] initWithNibName:@"MyView" bundle:nil]; [mainCanvas addSubview: myViewController.view]; self.view = mainCanvas; It will added on the position (0, 0), but I want to add on 0,100 or somewhere else, how can I do so? thank you. ...

Authentication from iPhone application.

Im working in an iPhone application where I need to authenticate the user and make him able to post reply to yahoo message board.. Im relatively new to iPhone development and stuck badly. Plz help me out.. ...

What is the maximum size of data we can send using POST of NSURLConnection?

Can some one say the maximum size of the data we can send using NSURLConnection. I am planning to send a data to a server that would minimally have 5 MB size. So I wanted to check is there any bound on the size of the data we can send. If there are any please tell a way to get out of this problem? ...

Need help in animating a Wheel on iphone

I am doing an application in iphone that need to spin the Dart Wheel when I drag on it. The view will have a dart wheel image and when we drag the wheel it spins and slowly it stops. Can any one help me in doing this animation. ...

Get NSUSerDefaults Data from device

I have created an application in which I have used base64 encoding and save the user password into NSUSerDefaults, But somehow another iPhone developer breaks that password. I wonder how could he got NSUserDefaults Data? Does someone knows how to stop this critical thing and also how he had got the NSUserDefaults Data. Also what is the b...

Bing map integration into iPhone application.

Is it possible to integrate Bing maps into a native iPhone application? One of our clients wants to open Bing maps instead of Google maps. ...

Set a variable in a different class

I am trying to create an application were 2 classes share a variable. Just to keep the code looking a little bit cleaner I created a 3rd class. This "third class" sole job is to house this variable. In class 3 I put a "get" and "set" method. SharedURL.H (Class 3) @interface SharedURL : NSObject { NSString *theURL; } -(NSString *)getT...

problem in DismissPresentModalViewController

I am making a application in which i go from one view to another with presentModalViewController and from that view to another view with presentModalViewController now i want to go back (one view back ) with dismissModalViewController and i called this method from appdelegate but it causing msg_trap error .. Thanks. ...

MPMoviePlayerViewController in a

I have a view controller that's been added to a UITabBarController. In this view controller I have a button that opens up a movie using MPMoviePlayerViewController. When I play the movie, the top navigation bar is still overlayed on top of the movie, effectively blocking out a portion of the screen. When this view controller isn't in...

Is there an easy way to observe the visible cells in a UITableView?

I need to keep track of the visible cells in a UITableView, since certain events need to occur when cells that represent specific pieces of data become visible. UITableView doesn't seem to be KVO compliant for -indexPathsForVisibleRows or -visibleCells, and there's no UITableViewDelegate method that gives a hook for being notified that t...

Building UITableViewCells in Interface Builder

I am wonder if it is better to build my cells in Interface Builder, or programmatically? The reason I am leaning toward IB is that my cells are going to have a bit of customization, and it would be much easier this way. Are their drawbacks to the IB approach? Also, are there any good tutorials about how to use a cell in IB? ...

How to calculate first NSDate of current week?

i.e.: NSDate *firstDayOfWeek = [[NSDate date] firstDayOfWeek]; for example, today is Aug 19, I'd want to get a NSDate of 2010-08-15 12:00am from above line of code. Thanks! ...

How to send a image to a server which requires "pic" parameter

hello, i need some idea to set a parameter which is "pic" in iphone program to upload a image, server needs this parameter to accept the image. i have no idea about setting a parameter. i am a very new iphone programmer. thanks ...

Access incoming SMS in iPhone

I am making an application which will identify an incoming SMS and will make a text file (or log file) having the information of that SMS. I am still very new in this field therefore want to know if it is possible? If so, then please provide me as much information as possible. I have very little knowledge about it. is there any public...

How to animate views from the Tab Bar Controller iphone

I am having trouble trying to animate views (Xib files) controlled by the Tab Bar controller. My program is mostly built using Interface Builder to implement the Tab Bar Controller with four buttons and the four seperate XIB files that are called by the Tab Bar Controller. Is there a simple way to get the views to animate when pushing a...

navgation, tableview, tab bar

hi, i would like to design my app as follow: at start, nav bar with table view. when user select certain row, it will drill down to a view with tab bar, navigation table view. is this possible? the tab bar doesn't appear until a view is drill down. i have done the 2 view separately and no problem with each. but when i try to integrate ...

How to uniquely identify nsmangedobject with string?

I'm using Core data and region monitoring. The only way to distinguish between monitored regions is with a NSString for identifier. I'd love to use NSManagedObjectID, but I can't get it to work. What I've tried: NSURL *objURL = [managedObjectID URIRepresentation]; NSError *err; NSString *identifier = [NSString stringWithContentsOfURL:m...

How to check the NSString contains the '%' or not?

Hi, everyone, I want to ask a question about the objective C. Does the NSString * contains some functions to check the NSString * contains some string in the UITextField.text? For example NSString *checkString = @"abcd%" if(checkString contains '%') // I want this function return YES; else return NO; ...

Is this possible with NSDictionary? Or should I use something else?

What I am trying to do is create a an array of text strings, and I want to select a random text string out of this array, which I could normally do easily with an array. However, I would also like to be able to put them into categories, and when I select a random one, I would like to know what category it is in and do something different...