iphone

Sending Application to background on iphone

Is is possible to send the application to background programmatically on iphone? ...

Max application memory Limit in iPad?

Hello friends, I have created one iPad application which downloads images using web services. But my application crashes during manipulating with some high quality images. So my question is what is max memory limit for application running on iPad? When is the application going to be hit LowMemoryWarning on iPad? ...

EXC_BAD_ACCESS in for loop

In this code, in the second for loop, i get an EXC_BAD_ACCESS if I use an identifier other than i and j. if (UIDeviceOrientationIsPortrait(deviceOrientation)){ numRows = 4; numCols = 3; }else { numRows = 6; numCols = 1; } for (int row = 0; row < numRows; row++){ for (int col = 0; col < numCols; col++) { ...

Find URL inside NSString (BBCode) using RegexKitLite

HI, I have a NSString that cotains a lot of text. Inside the text is a iTunes URL. The URL is masked with BBCode. How can I extract the plain URL? Sorry, but my regex skills are really bad. The text: Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam ...

[iphone] How to put \n into string in plist

Possible Duplicate: NSString: newline escape in plist I have a plist with a string, and I want to get line breaks. Putting \n\n doesn't work. Is there any other way to do this? Thanks ...

Push vs. pull notification on iphone

How push notification is better then pull notification on iphone? Are there any links describing about this? Any help would be appreciated. ...

nsurlconnection and iphone simulator

Hi, i am working on a sample ebook app and using nsurlconnection for downloading ebook file from net. enter code here- (void) start { if (![self isCancelled]) { NSLog(@"baslad"); connection_ = [[NSURLConnection connectionWithRequest:[NSURLRequest requestWithURL: download_.url] delegate: self] retain]; if (connection_ != n...

What is the best (designwise) way to pass an NSArray of model objects to a view object?

I have a BankAccount model class that contains data like account number, bank name, transactions, etc. The transactions are each instances of the Transaction class and contained in the transactions NSArray. I also have a BankAccountView that displays all this in a single view. Right now I'm passing all the data as separate variables (ie...

Understanding forward declaration warning

I am writing my first lines in objective-c for an iPhone app. This is the code: /* ViewController.h */ @protocol ImageFlowScrollViewDelegate; @interface ViewController : UIViewController<ImageFlowScrollViewDelegate> { NSMutableArray *characters; UILabel *actorName; } /* ViewController.m */ #import "ImageFlowScrollView.h" @imp...

CoreData on a distant server syncronizing between different clients (apps)

Hi @ All, I'd know if it exists a kind of CoreData server ? The point is to get an "automatic API server" providing data to clients. It can be useful to implement very quickly standalone Forum app, Games or anything on the cloud... ...

What's UI that mail.app in iphone use for editing messag body.

I'm a new iphone programmer. I want to know what UI that can handle HTML and editable same as reply or forward message in mail.app .. is it UIWebView or UITextView that applied with UIScrollView? I want this UI to reply and forward message and can be saved message to database. So, I cannot use mailcomposer controller because I cannot get...

Using AddressBook to share information between iPhone apps

I've read that it's possible to share information between iPhone applications using the Addressbook. In fact, TextExpander Touch seems to be able to do just this by looking at their SDK how-to: http://www.freshblocks.com/tutorials/how-to-add-textexpander-touch-sdk-to-iphone-apps/ Can anyone provide a concrete example of how this is ac...

Memory Control with UIKit Spritesheet

Hi, I used the solution here http://stackoverflow.com/questions/2863626/using-cgcontext-to-display-a-sprite-sheet-iphone to create an animated spritesheet class (A child of UIImageView) that takes in a huge (200+) frame spritesheet and animates it using a firing NSTimer. I was wondering if anyone had any ideas how to control the result...

Three20 image from file folder

I am saving a UIImage using following code.This image is saved in My application's Documents folder. NSString *pngPath = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents/Test.png"]; [UIImagePNGRepresentation(currentImage) writeToFile:pngPath atomically:YES]; How to get back this image in Three20 TTThumbsViewContro...

How to Read Number of lines in UITextView

Hi friends.. I am using UITextView In my View , i have requirement to count number of line contained by textview am using following function to read '\n' . However this works only when return key is pressed from keyboard , but in case line warapper (when i type continuous characters i wont get new line char ) . How do i read new char wh...

interesting UITableView Datasource behavior

So i have this very basic ipad view controller and i was doing some testing with multiple UITableViews in the same view. The issue I was having was when I selected a row, it would throw a EXC_BAD_ACCESS so I turned on the stack logging and found this *** -[VCTables tableView:didSelectRowAtIndexPath:]: message sent to deallocated instan...

iPhone MapKit: Custom MKPolygonView with image draws upside down

Hi, does anybody know what to do with this problem: my image in a custom MKPolygonView is flipped upside down? The idea (this is working OK already) is having an class "SnowmapsOverlayView" that extends "MKPolygonView", that displays a image. This image has a default location & size on the map (acts as a GroundOverlay in the Google Map...

Filter setPropertiesToFetch with NSPredicate in Core Data?

I have a view where I would like to get an average value of a "percentage" property without loading all the objects (and their other properties) into memory from Core Data. I have found out how to do this in Apple's docs, but the problem is I would like to limit the objects whose percentages are being averaged to ones that have another p...

[iphone] NSManagedObjectContext issues

Hi there I've set up my project with the "use coredata" option set. XCode obviously set all this up for me automatically, and now I have these lines in the app delegate header file: @interface GFree2AppDelegate : NSObject <UIApplicationDelegate> { UIWindow *window; GFree2ViewController *viewController; UINavigationControll...

Endless UITableview Section

Hi, I have a table view with one section. I pull the data down from the internet in small chunks asynchronously in the background. The problem I have is I don't know how many records there will be in total. When the web service stops returning data I know I have them all, in some cases the rows might be infinite. The method: -(NSI...