iphone

How to align picker view title text on each row to the right?

How can I align the title of each row in a UIPickerview to the right? Thanks in advance. ...

When are dynamically loaded NIBs assigned frames and bounds data?

In one of my UIViewControllers, I am calling initWithNibName:bundle: for several other UIViewControllers. I am grabbing the view property in each of those dynamically created controllers and placing them, one after the other, in my parent view. For instance, the y offset of viewControllerB should be equal to the height of viewControllerA...

Iphone resize doubt

Hi, I have create a view based application and its loaded correctly what i designed in the xib files.My doubt is when i designed uiview it has the property of resize its frame size(autoresize). But when i loaded the application into iphone the uiview has not the property of resize its frame automatically.Is it possible to change a uivi...

colorizing UIbuttons

Does someone know how to colorize a UIButton (iphone)? I have a greyscale image with alpha that I want to colorize to various different colors. Setting things like background color only shade the entire image without respecting the alpha. Is there a straightforward way to do this, or will I need to subclass UIButton and overload the d...

pushViewController Not Displaying UIView/Nib with tabbar and nav bar

I'm relatively new to objective c but not programming and am stuck with my iphone app. I created a nav based app with both a navbar and a tab bar controller. I set the tab bar as the root controller. I'm able to switch between each tab without any issues to various UIViews and UITableViews. My issue is that in one of my UITableViews t...

iPhone: convert Nsstring to Nsdate on device timezone

hi all, I received date from Web service which is in GMT + 1 format (2010-02-25T20:16:50.387+05:30). I want to convert in NSdate. I have no proper idea about date formatter. Please suggest that how can i Change this nsstring value to current date format (Time zone) ...

springboard takes too much CPU

Is there a way to increase the application priority for the CPU on iPhone? I notice that SpringBoard takes up too much CPU at times causing some fluctuation in performance on the device. ...

Why is Core Data not persisting these changes to disk?

I added a new entity to my model and it loads fine but no changes made in memory get persisted to disk. My values set on the car object work fine in memory but aren't getting persisted to disk on hitting the home button (in simulator). I am using almost exactly the same code on another entity in my application and its values persist to d...

Mapkit +closest annotation

Hi all, I am trying to devellopp an app showing the nearest poi to the users location. My app is now capable of: showing a map (Mapkit) with 110 annotations and the user's location. Furthermore, I have a TableView at the bottom of my screen, to choose between the different annotations. However, they're listed by number, and not by pro...

How to implement a UINavigationController to a standard UIView

This is the structure of my application currently: UIWindow UIViewController (Root View Controller) UINavigationController UITableView UIViewController (PresentModalViewControllerAnimated:YES) UITableView This is how I want it to be: UIWindow UIViewController (Root View Controller) UINavigationController UITableView UIView...

Bar Chart on Iphone

I'm looking for a free charting library for iphone. I need to draw a simple bar Chart. Do you know one? ...

Video Recording on iPhone

I have this iPhone app, which plays streaming video from a source(Just video, no audio). Is there any mechanism by which i can capture this streaming video or record them, for later playback? ...

scrolling a UIScrollView Programatically

hi, I want an idea to scroll a UIScrollView without user inputs. how to do that ? ...

Changing label color based on current label color in iPhone dev

I am having trouble figuring out the if statement code for changing the color of a UI label based on the current color of the label. For instance, if the label color is currently red and the correct button is pressed, I want the label color to change to black. If the label color is black I want the label color to change to blue. Many ...

I want : UIscrollview with non scrolling button

Hi there, I'd like to put the following interface in place : I'd like to have a uiscrollview taking all the screen (big picture to be zoomed...) On top of that "scrolling image" : I'd like have 2 buttons (e.g.back and instructions) redirecting th user to other views. Could you drop me a code snippet where I understand how to organize t...

IPHONE , How to adjust sound volume by program ?

as topic, I want use code to adjust the volume even user has set the iPhone to mute or the systemwide volume is very soft, it is possible ? thanks. ...

UITextfield and webservice

Hello everyone, I have one query regarding the (UITextfield and Webservice) for example When i start writing text in UITextfield. Make sure, the app does not query the server(Webservice) for each letter typed. It should wait till I make a pause and then send the request. Is this possible to when using of UITextField? Thanks in advanc...

How i can find out that URL is active or inactive

Hello Master Mind Friends I have One issue i am showing information of web site using web view. Before showing it i want to know is it url link active or not if it is then i will show it in webView otherwise i will show alert message to User. Can anyone help to me. The url is like www.domainname.com:8150/imagename.jpg will it work ...

how to get latitude and longitude from the address in MKMapkit?

I have implemented one application .In which i want to get latitude and longitude from the address.I dont want to use java script.Is it possble then please help me. ...

getting the url of opened link uiwebview

so user touches link in uiwebview, the page opens.. how do I get the new url so I can show it in a uilabel? thanks. ...