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• How do I use a contact's photo in a table view cell?

  - by Andy

  I've got an app that has a table view that displays contact information in each row. I'd like to use the contact's stored image (if there is one available) as the image on the left-hand side of the cell. I've found some sketchy sample code in Apple's documentation, but the address book references some kind of weird data type (CFDataRef) that doesn't appear to correspond to the data types referenced in the table view programming guide (mainly UIImage). This seems like a pretty basic task, but I can't seem to wrap my head around it. Thanks in advance for any help you can offer.

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• How to set background color of tableView

  - by Praveen

  Hi Folks, I have tried all the way but could not succeed to set backgroundColor of TableView. setting tableView.backgroundColor and/or cell.backgroundColor to clearColor didn't work when the parent view controller was UIViewContoller. My nib file structure is FileOwner View UITableView (Note: i set the TableView to groupedTable section) First attempt, I created the UIView in the code viewDidLoad UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 160, 300)] autorelease; [view setBackgroundColor:UIColor blueColor]; // color it just to see if it is created at the right place [self.tableView sendSubViewToBack:view]; It works but it hides the content of cell. I am able to see the content of header but not cell content. (But when i change the co-ordinate of view(0,150,160,300) then i am able to see the cell's content but then it loose the backgroundColor of tableview. Second attempt, I created the imageView View ImageView UITableView and set the self.tableView.backgroundColor = [UIColor clearColor]; but did not work. I googled but did not the peaceful answer.

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• Compare filedate before download it

  - by Christian

  Hi, I have an app which is downloading several plist-files when starting the app and storing them in the NSHomeDirectory/Documents/ path. This will take some time and often there is only one file that changed. My questions are: -how can I get the date of the files (the stored one and the file on my webserver)? -how can I compare the date of the stored file with the date of the file on my webserver?

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• nsuserdefault not able to save values.

  - by pankaj

  hi i am trying to use nsuser defaults to save some default values in database. I am able to save the values in the nsuserdefault(even checked it in nslog). Now i need the values in app delegate when the application is restarted. But i am not getting anything in the nsuserdefault. Following is my code from my class where i save the values in nsuserdefault: NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults]; [prefs setObject:appDel.dictProfile forKey:@"dict"]; NSLog(@"%@",[prefs valueForKey:@"dict"]); Following is my code from App Delegagte: NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults]; NSLog(@"%@",[prefs valueForKey:@"dict"]); the above code always returns me null. Can some one please help me

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• Iterate attributes and IBOutlets of a UIViewController

  - by Espuz

  I've a generic UIViewController on my app. All the UIViewController on the app inherits from this generic one. I'm trying to automate the deallocation and releasing of attributes and IBOutlets as properties. I'm doing the first (attributes) on dealloc method and the second (IBOutlets as properties) on viewDidUnload. - (void) dealloc { [_att1 release]; _att1 = nil; [_att2 release]; _att2 = nil; // ... } - (void) viewDidUnload { self.att1 = nil; // att1 is an IBOutlet self.att2 = nil; // att2 is an IBOutlet // ... } Is there any way to iterate all my attributes and IBOutlets to simplify this operations? I want to avoid do it for each outlet and attribute and delegate it to the generic UIViewController. Thanks.

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• How come this object is released right after it's instantiated? From a book example I'm learning fro

  - by HD-VRSCA

  BlueViewController *blueController = [[ BlueViewController alloc] initWithNibName:@"BlueView" bundle:nil]; self.blueViewController = blueController; [self.view insertSubview:blueController.view atIndex:0]; [blueController release];

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• Will my app get rejected because of this ???

  - by A for Alpha

  hi guys... i am developing a ebook reader app for iPad and i am facing a issue related to the design aspects of the bookshelf. I am posting a sample photo of my bookshelf here. I want the book shelf to have a horizontal navigation similar to that of the iBooks. Will this come under violation of Apple's HIG?? Will they consider this design to be a imitation of their iBooks design and reject it?? I'm worried...

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• can we use timer in taps??

  - by user317149

  i m working on app,in which user taps to shoot bullets, i want user to restrict their taps, like he next tap or touch should be counted after 1 or 3 seconds, is their any snippet,i can use to rtestrict user for continiously tapoping/touch? quick reply is aleways appreciated/ regards shishir

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• Install ipad application on additional device

  - by Egil

  Is it possible for me to create a ipad application and install it on a device that is located at a remote location? Can this be done if I have its device id?

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• how to enter text into uitextfield

  - by adnan

  I have implemented the delegates for UITextField and also method for these text field. Below are the methods: - (void)textFieldDidBeginEditing:(UITextField *)textField { [textField resignFirstResponder]; } - (BOOL)textFieldShouldReturn:(UITextField *)aTextField { [aTextField resignFirstResponder]; return YES; } My problem is that when I want to enter text into UITextField its delegate does not allow me to enter the text into textfields. Kindly tell me how i can enter the data into textfields

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• inputAccessoryView not hide the view when -resignFirstResponder?

  - by Sam Jarman

  I have attached a toolbar with a UITextField and UIButton to the keyboard when it becomes the first responder via the user taping inside the textfield textField.inputAccessoryView = theToolbar; Problem is, the toolbar disappears when the keyboard is dismissed, thus preventing any further input. Any ideas on how to make the toolbar go back to the bottom of the screen rather than off it completely? I'm thinking a delegate method might help but Im really not too sure. It seems once the inputAccessoryView always the inputAccessoryView :( Cheers

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• How to delete a customized cell in UITableView ?

  - by srikanth rongali

  I have UITableView. I customized the cell height (increased). I have 4 labels(UILabel) and 1 image(UIImage) and 3 buttons (UIButton). one of the button is delete button. By touching the cell or button(play button) on the image a video is loaded and played. I need to delete the cell by touching delete button. If I touched the delete button the corresponding video is deleted from library . But, how to delete the cell and all remaining data in it ? I am not able to delete the cells or the data in the cells. How to do it ? Thank you.

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• MFMailComposeViewController configure mimetype for attachment

  - by user749918

  I need some help. I am trying to attach files to mail using, [mail addAttachmentData:attachmentData mimeType:@"image/png" fileName:fileName]; but the problem is that if i need to send a .jpeg image i need to repeat code just for setting mime type to "mimeType:@"image/jpeg". My question is that is there any general mimeType that can attach any kind of file irrespective of .doc,.ppt,.pdf or an audio or video file. is there any general mimeType: for an kind of attachment. Thanks in advance.

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• updating uitableview after performing paste from the cell

  - by Nava Carmon

  Hi, I've implemented edit menu from my custom UITableViewCell class. I have a small problem of updating a table view from inside the custom table cell class. What is the best approach to do that? TIA

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• Stop lazy-loading images?

  - by Greg

  Here's the issue – I followed along with the Apple lazy-load image sample code to handle my graphical tables. It works great. However, my lazy-load image tables are being stacked within a navigation controller so that you can move in and out of menus. While all this works, I'm getting a persistent crash when I move into a table then move immediately back out of it using the "back" button. This appears to be a result of the network connections loading content not being closed properly, or calling back to their released delegates. Now, I've tried working through this and carefully setting all delegates to nil and calling close on all open network connections before releasing a menu. However, I'm still getting the error. Also – short posting my entire application code into this post, I can't really post a specific code snippet that illustrates this situation. I wonder if anyone has ideas for tasks that I may be missing? Do I need to do anything to close a network connection other than closing it and setting it to nil? Also, I'm new to debugging tools – can anyone suggest a good tool to use to watch network connections and see what's causing them to fail? Thanks!

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• Can I separate an NSString by more than 1 separator?

  - by Sheehan Alam

  I would like to separate my string by spaces, commas, periods (ie. punctuations). I am using: [myString componentsSeparatedByString:@" "]; to separate by spaces, but need to be able to split by punctuations as well.

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• scrollViewDidEndScrollingAnimation

  - by Michael

  When scrollViewDidEndScrollingAnimation is being called and in which cases would I need to use it?

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• UIImagePickerController can not select picture

  - by yjcpu

  I have some problem when i work with UIImagePickerController .when I presentModalViewController,and the picker pops up right,but i can not select a picture! when i touch on the picture list, the list can only scroll up and down,but can not select! how about this? thanks.

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• UITableViewCell select even doesn't work

  - by saimun

  I had a page control(UIPageControl) on a view (UIViewController) with table view (UITableView) on each page, each page have own table and can go to different view controller. i add the codes in "didSelectRowAtIndexPath" which can go to next level, is works perfect when i test it in a table view by itself, but it doesn't works when i have page controller with it. - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { [tableView deselectRowAtIndexPath:indexPath animated:YES]; if (pageNumber == 0) { PicturesViewController *picturesView = [[PicturesViewController alloc] init]; [self.navigationController pushViewController:picturesView animated:YES]; [picturesView release]; } else if (pageNumber == 1) { PictureDetailViewController *pictureDetailView = [[PictureDetailViewController alloc] init]; [self.navigationController pushViewController:pictureDetailView animated:YES]; [pictureDetailView release]; } else if (pageNumber == 2) { MessagesViewController *messagesView = [[MessagesViewController alloc] init]; [self.navigationController pushViewController:messagesView animated:YES]; [messagesView release]; } } here is the code, if view directly to this table view this code is work, how can i make it work under the pagecontrol??

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• Having trouble parsing itunes affiliate xml...

  - by MKDev

  Hi, I am trying to parse an itunes affiliate xml link purely for practise, using NSXMLParser but the link will not parse. The itunes affiliate xml link is this: http://itunes.apple.com/au/rss/topsongs/limit=50/genre=20/xml?partnerId=2003&TD_PARAM=http%3A%2F%2Fclkuk.tradedoubler.com%2Fclick%3Fp%3D23708%26a%3D1904172%26url%3D. it works perfectly in safari on my mac. The normal itunes link I tried parsing: http://itunes.apple.com/%@/rss/%@/limit=50/genre=20/xml works perfectly with the NSXMLParser. Can anyone tell me why this is happening? Thanks in advanced. MKDev

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• Huge of data display in tableview

  - by milanjansari

  Hello, Anyone have a idea about best way to display huge of data (above 4000) using UITableview Thanks you,

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• How can I know which viewController is being displayed(in view) currently by my appdelegate?

  - by wolverine

  I am doing a normal viewBased application and have added another viewController(along with the xib). When the application starts, normally it will display its own view. I am doing an action and is going to another viewController class. From this class, I want to check which viewController is being displayed currently in the view. How can I do this? Does anyone have an idea?

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• use uiimagepicker as main view of the application

  - by AP

  Hello, More or less, everything is in the title: how to use a UIImagePicker as the main view of the application like for instance for an Augmented Reality App? Thanks in advance for your help, Regards,

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• How to detect touch over a UIView when touched over a UIButton?

  - by jglievano

  I'm using (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event, and (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event to handle some dragging on a UIView. This UIView however have some UIButtons as subviews of the UIView and when the user touches over a UIButton (which are also over the UIView) the touches methods aren't called. I need the touch methods in the UIView to be called at all times and still have the UIButtons working, how can I achieve this?

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• Does the NSManagedObject instance still float around in space when it turns into a fault?

  - by mystify

  Or is turning into a fault the same as deleting that thing completely? I mean... is that guy then just still alive as a super lightweight object with no big data inside, or is it actually deleted? Or: Is a fault an object in memory with low footprint, or is that a "virtual object that COULD be there, but isn't yet"?

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