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  • Line breaks in "NSString"s returned from PList don't work.

    - by Moshe
    I've seen this post: http://stackoverflow.com/questions/2035567/nsstring-newline-escape-in-plist but I'd like to know if there's a way to pragmatically render \n line breaks. I'm currently using: decisionText.text = [NSString stringWithFormat: (@"%@", [replies objectAtIndex:(arc4random() % [replies count])])]; Which randomly grabs a String from the replies array. The array was loaded from a plist like so: replies = [[NSMutableArray alloc] initWithContentsOfFile:[[NSBundle mainBundle]pathForResource:@"AdviceList" ofType:@"plist"]]; What am I missing? The answer can't be to manually enter line breaks. That's not programming! (Sounds like word processing to me.)

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  • Custom size app screen on iPad

    - by mosdev
    I am trying to create a mid-size screen for my app on iPad. In didFinishLaunchingWithOptions(), I do this: CGRect winRect = CGRectMake(100,100,500,500); navController.view.frame = winRect; the screen comes up fine and I can click around and do stuff until the orientation changes. It takes the screen to original full size - how can I make it stick to my winRect frame? I tried setting the parentViewController.view.frame/view.frame to winRect in willRotateToInterfaceOrientation() but no good. Any ideas? Thanks.

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  • when/where should properties be released once the objects is pushed for display?

    - by Tzur Gazit
    Hi, I've defined a view controller with an array as one of its properties, and set the array with an allocated and autoreleased array. After I push the view for display I release it. By watching the leaks tool I see that every time that I pop the view I suffer from leakage. I tried to release the properties explicitly, immediately after the push but the app crashes. looking forward for your suggestions.

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  • Can i pop to Specific ViewController?

    - by Ankit Vyas
    Hello!I am using Navigation Based Application.I push First ViewController to Second ViewController and From Second ViewController to Third ViewController Now I want to Pop From Third ViewController to First ViewController.I am Performing This task using the Below Code but i application get's Terminate.Please any body give me some proper Guidelines.I can't use pop to RootViewController because it's Different ViewController.Thanks in Advance... In Third ViewControler i have Written this: FirstViewCtr *x=[[FirstViewCtr alloc] initWithNibName:@"FirstViewCtr" bundle:nil]; [self.navigationController popToViewController:x animated:NO];

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  • Autoplay an Audio File on Mobile Safari

    - by phantomdata
    Hey guys, I've got a little system dashboard web app that I've written, replete with alarm notifications. I've had it working for quite some time on mobile safari, but recently wanted to add audio to the alarm notifications to allow me to easily know when there are alarms and I'm not looking directly at the display. The alarm notifications are populated through a (relatively) constantly polling ajax request that pulls in and displays an alarm banner if alarms are present. I wanted to add an auto-playing 'alarm' sound as well, but no dice for Safari Mobile. I've tried using HTML5 and embedded objects with no avail. The Apple documentation does state that you can't auto-play an audio file and it must be activated through user action to conserve bandwidth. Has anyone found a way around this in a WLAN setting?

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  • Confused by notation?

    - by fuzzygoat
    Would someone be so kind as to explain what is happening with the statement below. I an a bit puzzeled by <MKAnnotation> between id and mp, it not something I have seen before. id <MKAnnotation> mp = [annotationView annotation]; many thanks gary

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  • Automatically Loading XIB for UITableViewController

    - by ACBurk
    Ran into something interesting, want to know if I'm doing something wrong or if this is the correct behavior. I have a custom UITableViewController. I ASSUMED (first mistake) that if you initialize as such: [[CustomTableController alloc] init]; it would automatically load from a XIB of the same name, CustomTableController.xib, if it is in the same directory and such. HOWEVER This does not work; doesn't load the XIB. BUT, if I change the parent class of my controller from 'UITableViewController' to 'UIViewController', EVERYHTING WORKS FINE! Calling: [[CustomTableController alloc] init]; loads the controller and view from my xib. Am I doing something wrong? Is this a bug? Expected behavior?

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  • http-post request for a long String in iOS

    - by onkar
    I am looking to send a very long String, which is an image that is encoded into a String. I need to send that information using POST method. I have implemented the same in Android using key-value pair, I need to implement the same in iOS using key-value pair. Please help me with useful resources/approach. EDIT 1 What have I tried [dictionnary setObject:@"admin" forKey:@"username"]; [dictionnary setObject:@"123123" forKey:@"password"]; NSError *error = nil; NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dictionnary options:kNilOptions error:&error]; NSString *urlString = @"MY CALL URL"; NSURL *url = [NSURL URLWithString:urlString]; NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url]; [request setHTTPMethod:@"POST"]; [request setHTTPBody:jsonData]; NSURLResponse *response = NULL; NSError *requestError = NULL; NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&requestError]; NSLog(@"response is obtained"); NSString *responseString = [[NSString alloc] initWithData:responseData encoding:NSUTF8StringEncoding] ; NSLog(@"%@", responseString); EDIT 2 Error I am getting Request Error Error Domain=kCFErrorDomainCFNetwork Code=303 "The operation couldn’t be completed. (kCFErrorDomainCFNetwork error 303.)" UserInfo=0x7ba0120 {NSErrorFailingURLKey=http://yahoo.com/, NSErrorFailingURLStringKey=http://yahoo.com/}

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  • Releasing NSData causes exception...

    - by badmanj
    Hi, Can someone please explain why the following code causes my app to bomb? NSData *myImage = UIImagePNGRepresentation(imageView.image); : [myImage release]; If I comment out the 'release' line, the app runs... but a few times calling the function containing this code and I get a crash - I guess caused by a memory leak. Even if I comment EVERYTHING else in the function out and just leave those two lines, when the release executes, the app crashes. I'm sure this must be a newbie "you don't know how to clean up your mess properly" kind of thing ;-) Cheers, Jamie.

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  • Class for move, scale and rotate, of a uiimageview

    - by David
    Hi Everyone, I'm creating a subclass of UIImageView that detects touches, and will move, rotate and scale the image based on the touches. However, I really feel like I'm reinventing the wheel here, and it's driving me nuts. Shouldn't this already exist somewhere? Does anyone have any examples, or links to a class that is already doing this? Or if you have a class you've written, that'd be helpful too. Thanks a lot in advance.

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  • UITextView in UITableViewCell scrolling problems.

    - by jrtc27
    Ok. I have made a custom cell for my table, and it contains a text view. When I have multiple lines in the text view, I can scroll up and down, but in doing this the table also scrolls. How can I stop this behaviour? If anyone needs parts of my code or further details, please just ask. I am more than willing. Thank you for your help

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  • Animating multiple UIViews at once using CoreAnimation

    - by Thomas
    Hi, I'm using a UIImageView as a background-image and placed multiple UIButtons on it. Now I want to move the UIImageView (with all the buttons on it) out of sight with a smooth animation. I couldn't find a container or grouping element in IB, so is there a way to move all the Views at once? Thank you in advance and sorry for my english!

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  • TTTabItem in three20 icon not working?

    - by Frank
    I have been trying to get TTTabItem to work with images. And I dug up that you can set the icon to an image file. This is my implemenation: TTTabItem *tab1 = [[[TTTabItem alloc] initWithTitle:@"Item 1"] autorelease]; tab1.icon = @"bundle://icon_eat_min.png"; filterBar.tabItems = [NSArray arrayWithObjects: tab1, nil]; [scrollView addSubview:filterBar]; However, my icon doesn't even appear. I even search through this group: http://groups.google.com/group/three20/browse_thread/thread/f879f6643... and override the rounded style. But I am just contemplating why would you have an something you can set and not have it work? or am i doing this badly

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  • presentViewController or presentModalViewController not supporting orientation in iOS 6

    - by Prateek
    I am new to this technology. I am using this code if ([self respondsToSelector:@selector(presentViewController:animated:completion:)]) { [self presentViewController:navigationControllerCustom animated:YES completion:nil]; } else { [self presentModalViewController:navigationControllerCustom animated:YES]; } My application has two orientation Portrait and Portrait upside down. This code works well with iOS 5.1, but orientation does not work on iOS 6 I have also added this code on my navigationControllerCustom class - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { return (interfaceOrientation == UIInterfaceOrientationPortrait || interfaceOrientation == UIInterfaceOrientationPortraitUpsideDown); } -(NSUInteger)supportedInterfaceOrientations { return (UIInterfaceOrientationMaskPortrait | UIInterfaceOrientationMaskPortraitUpsideDown); } Please help me to solve this issue. Thanks in advance.

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  • CALayers didn't get resized on its UIView's bounds change. Why?

    - by Geri
    I have a UIView which has about 8 different CALayer sublayers added to its layer. If I modify the view's bounds (animated), then the view itself gets shrinked (I checked it with a backgroundColor), but the sublayers' size remains unchanged. How to solve this? I've just started googleing but haven't found any useful. Thanks in advance.

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  • Crashing when masking an image

    - by shameer
    I am trying to mask an image with a 'mask image". its work fine at first time. but when i try one more time with in the application with same mask image . Application crashed. but when trying with another mask image it works fine. Why this happens? pls help? Console shows ": CGImageMaskCreate: invalid mask bits/component: 4294967295." (UIImage*) maskImage:(UIImage *)image withMask:(UIImage *)maskImage { CGImageRef maskRef = maskImage.CGImage; CGImageRef mask = CGImageMaskCreate(CGImageGetWidth(maskRef), CGImageGetHeight(maskRef), CGImageGetBitsPerComponent(maskRef), CGImageGetBitsPerPixel(maskRef), CGImageGetBytesPerRow(maskRef), CGImageGetDataProvider(maskRef), NULL, false); CGImageRef masked = CGImageCreateWithMask([image CGImage], mask); UIImage *img2=[UIImage imageWithCGImage:masked]; CGImageRelease(maskRef); CGImageRelease(mask); CGImageRelease(masked); return img2; } fun1() { view.image=[self maskImage:image1 withMask:[UIImage imageNamed:@"image2.png"]]; } fun2() { view.image=[self maskImage:image1 withMask:[UIImage imageNamed:@"image2.png"]]; view.image=[self maskImage:image1 withMask:[UIImage imageNamed:@"image3.png"]]; } fun3() { view.image=[self maskImage:image1 withMask:[UIImage imageNamed:@"image2.png"]]; view.image=[self maskImage:image1 withMask:[UIImage imageNamed:@"image2.png"]]; } When calling fun1 and fun2 apllication works fine. Application crashing when calling fun3.

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  • Best XML Parser for RSS Feeds in Objective C ?

    - by Ansari
    Hi all, I am going to develop an application which will parse the RSS feeds and display the items in my custom cell.(Cell containing the image, label, description, etc). The most popular way of parsing is using the NSXMLParser. But this is bit of a lengthy way. So is there any other way to do this. Or my question will be, which is the best xml parser for objective-c ?

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  • IOS where to put the configuration of facebook sdk

    - by Carol Smith
    I am trying to integrated my IOS 7 application with Facebook SDK I following this official tutorial https://developers.facebook.com/docs/ios/getting-started which states Configure the .plist Follow these three steps: Create a key called FacebookAppID with a string value, and add the app ID there. Create a key called FacebookDisplayName with a string value, and add the Display Name you configured in the App Dashboard. Create an array key called URL types with a single array sub-item called URL Schemes. Give this a single item with your app ID prefixed with fb. This is used to ensure the application will receive the callback URL of the web-based OAuth flow. The finished .plist should look something like this: My question is where to put these values? They already put this image, maybe it helps you to answer me Edit The problem that I don't have any plist file in my framework in xcode and I can't add a new one because if i did, I would have to add all the variables that you see in the image but the tutorial just stated about some of them

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  • Height of tableHeaderView seems to be 0

    - by gabac
    I tried to override the second tableHeaderView. But it seems that the height of it in the method heightForHeaderInSection seems to be 0. Can't explain it, do I have to put it in a iVar because in the viewForHeaderInSection I can set the view without any problems. - (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section { if(section == 0) return @"Adding a new list"; else return @"Other lists"; } - (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section { if(section == 0) { return tableView.tableHeaderView; } else { UIView *view = [[[UIView alloc] initWithFrame:CGRectMake(10, 10, 100, 50)] autorelease]; view.backgroundColor = [UIColor redColor]; return view; } } - (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section { if(section == 0) return tableView.tableHeaderView.frame.size.height; else return 30; }

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