iphone

number of white spaces in string in objective-c

Is there any way to calculate number of whitespaces in string e.g "How are you?" in Objective-C? ...

Why doesn't my implementation of NSUserDefaults work under iOS 4?

I've read and watched many tutorials on NSUserDefaults in the iPhone OS/iOS SDK, but I can't seem to get my own implementation working. Right now, I'm building a simple counting application that I'd like to have load the last counted number when the application loads. However, NSUserDefaults has a different idea in mind. Does anyone kno...

Multiple UIViews in a viewcontoller?

hi all, i have a uiviewcontroller. there are 2 buttons at the top of UIview. i want to load 2 different UIViews (small view; width=320, height=200) bottom if the user taps buttons. i have uitableview in each smallview and some controls. thats why i want to handle each uiview with own uiviewcontrollers. i think i should create Uiview wi...

Switching tabs in tabbar controller

Hi all, I am working on app, in which I have 2 switch between tabs in tabbar controller. Is it possible in iphone. Please help me. Thanks ...

Can't use UISplitViewController in a universal app?

I'm having trouble getting UISplitViewController working in a Universal app where I've already coded the iPhone portion. As a troubleshooting method, I decided to start with a new project and just try to do the one action that's causing a problem and it still is. If I create a Universal app and in the iPad controller create a split vie...

UITableView Cell - get IndexPath.row from button?

I currently have a button defined in a cell and a method to track its UITouchDown action as shown: - (void) clickedCallSign:(id)sender { int index = [sender tag]; NSLog(@"event triggered %@",index); } - (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath ...

iPhone SDK 4: video autorotation from MPMoviePlayerViewController

Could you please show an example of shouldAutorotateToInterfaceOrientation method usage as a part of MPMoviePlayerViewController? As far as I know, using shouldAutorotateToInterfaceOrientation method is available not only for UIView but also for MPMoviePlayerViewController since SDK 3.2. I've been using it in UIView, in 3.1, but I don't ...

UINavigationController memory leak

I have a question about UINavigationController memory leak. i build a photoviewer app for IPad. almost look like iphone photo viewer. it is very simple. the app working like that when click on thumbnail into the lager picture view. if click on the lager picture can return to thumbnail view. the problem is that when return to thumbnai...

When i play a song in my ipod and when the screen of my ipod locks the song stops automatically

Hi to all, I had created a music application and my ipod is updated to OS4.0 .When i play song in ipod and after sometime when the screen of my ipod locks the song which is being played also stops automatically which is a problem.Please anybody help me in solving this problem. ...

How to trigger a select box to open when a link is pressed. (HTML/iPhone/Javascript)

Basically, I'm building a mobile site with LOTS of content. I have a header, then a menu with three buttons that I need to open select menus so that the iPhone's select wheel will appear. Any ideas? So far my searching says not possible... ...

how to display text in subview by button click

hi i am new to iphone . what i need is i have to display some text as help for my application. for that i create a button while clicking that i have to display text how can i done this. pls post some code thank u . ...

AvAudioPlayer problem song stops when iphone lock

Hi all, I m developing songs application with the help of AVAudioplayer. one problem is there when my iphone and ipod is locked then songs stop playing. when again i unlock then start playing. How i solve this problem. i want to do,songs playing continuously after locking of iPhone,iPod. Please give any suggestion. ...

How to update a variable in one class from another?

I need to set a variable in Class A from Class B. To test this, I have a while loop running in Class A that continuously prints the variable via NSLog. However, no matter what I try, I cannot get Class B to update the variable in Class A in such a way that Class A can read the changes made by Class B. I am pretty sure I have everything h...

how to get back to application from browser

hi i am new to iphone, what i done is place a button and in button click event i call a web browser it works fine. but i cant able to get back to my application screen.By pressing the menu button of iphone ie will quit directly how can i get back to my application. pls help me thank u. ...

getting distance on roads between 2 locations

Hello how can an iphone user find the distance on roads between two locations using an in app solution preferably using two text fields? I tried google maps. However, I'm not sure if there is a mapkit tool to do this build in or a google maps api? I am trying to use this value in order to do some calculations afterwards. ...

how do you use NSAttributedString?

Multiple colours in an NSString or NSMutableStrings are not possible. So I've heard a little about the NSAttributedString which was introduced with the iPad SDK 3.2 (or around 3.2) and is available on the iPhone as of iPhone SDK 4.0 beta. I would like to have a string that has three colours. The reason I don't use 3 separate NSStrings,...

What are the Accelerometer values when we reverse the direction of iphone

Hello all I am working an app that interacts with accelerometer values.. That is I need to do action when I reverse its direction (when orientation is same 1 ) , and need to stop action when I come to original direction.. how can I achieve this? Could any one suggest the way to do it..I now have the accelerator working, but I am not ...

UINavigationBar height and landscape mode

If I use a UINavigationController to display my UINavigationBar, this bar is much slimmer in landscape mode than in portrait mode. Everything fine so far, as I want this behavior, but I have one view which isn't handled by an UINavigationController and so I just dragged and dropped a UINavigationBar from Interface Builder into the view...

using PHP in iphone

Hey friend as you know I am new in iphone I didn't know any think about can anyone help me. Can I use PHP in iPhone for storing music file And get get this file again when ever I need this any one who can help out this condition or give some hint to solve this Previously I also put one question about this.But it is with the cloud serve...

IPhone - MKReverseGeocoder - how to make sure I have the result back

Hi, what i'm trying to reach is to display annotation with the city name. So I have a class MapPoint : @interface MapPoint : NSObject<MKAnnotation,MKReverseGeocoderDelegate> { NSString* title; NSString* cityName; CLLocationCoordinate2D coordinate; MKReverseGeocoder* reverseGeo; } @property (nonatomic,readonly) CLLocat...