Questions tagged [initwithcontentsofurl]

23 questions
3
votes
2 answers

Getting Argument Exception (nil URL argument)!

I'm having this problem where I get this error on my iPhone: Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSConcreteData initWithContentsOfURL:options:error:]: nil URL argument' I'm trying to parse some XML…
2
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1 answer

Initializing AVAudioPlayer with an iPod Song URL Using initWithContentsOfURL

I know it is possible to play iPod Songs using AVPlayer, but I cannot figure out how to initialize the AVAudioPlayer with an iPod song URL using initWithContentsOfURL. When I try, the AVAudioPlayer returns NULL upon initialization. I need to use…
JeffB6688
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1 answer

Use NSDictionary 'initWithContentsOfURL' instead Reachability.h

I would like to better understand the functioning of of initWithContentsOfURL of NSDictionary. This function manages by itself the failure of a connection? From the initWithContentsOfURL of NSDictionary reference: -…
Mat
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1 answer

How do I make initWithContentsOfURL wait for an xml page that is generated dynamically?

I am trying to send a query as part a the URL to obtain an XML file, and then trying to parse the XML file using NSXMLParser and initWithContentsOfURL. However the parser is not able to parse the file. I tested the parser with the same file, but…
2
votes
2 answers

iPhone Development - UIImageView memory issue

Background: Inspired from Apple's sample code ScrollViewSuite, I've created a view controller class that shows picture thumbnails and one selected picture. The hierarchy of controls for the "selected" picture is something like this: --> UIView …
Mustafa
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2
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2 answers

initWithContentsOfURL often returns nil

NSError *error; NSString *string = [[NSString alloc] initWithContentsOfURL:URL encoding:NSUTF8StringEncoding error:&error]; When I test this on my iPhone it always works when I have wifi…
Mathias
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Do you need to use URLSession's dataTask(with: URL) inside of an Operation class's main() method?

Do you need to use URLSession's dataTask(with: URL) inside of an Operation class's main() method? For example: class Downloader: Operation { let postDetailsPage: PostDetailsPage init(_ postDetailsPage: PostDetailsPage) { …
1
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3 answers

What is the difference between NSString = @"HELLO" and NSString getting that same string using initWithContentsOfURL

I have a string that is getting the content from URL and when I try to use it, it doesn't work the way I thought it should. When I initialize NSString with with contents of URL like this: NSString *strFromURL = [[NSString alloc]…
budiDino
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1 answer

grabbing data from an internal file

I'm grabbing data from an external file using NSURL with the code below. If i wanted to grab this data from an internal file in my resources folder how would the code be different. here's the NSURL code: NSURL *dataUrl = [NSURL…
hanumanDev
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NSXMLParser initWithContentsOfURL with dispatch_async( dispatch_get_global_queue(0, 0), ^{ timeout

I am using dispatch queues with NSXMLParser for getting xml data and parsing it. The code I am using is as below: dispatch_async( dispatch_get_global_queue(0, 0), ^{ NSURL *urlNew = [NSURL URLWithString:url_GetData]; …
1
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1 answer

handling error using xcode 7.0 beta in asynchronous block

I am trying to validate different errors while downloading text files from AWS S3, and with the next piece of code: ... above here function receiving String parameters ruta, archivo, archivoLocal let directorioURL =…
Haac74
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slow loading using initWithContentsOfUrl

I have a web service and I make HTTP calls to it from cocoa using this line of code: NSData *imageData = [[NSData alloc] initWithContentsOfUrl:url options: NSDataReadingUncached error:&error]; Sometimes is it take 10 seconds, sometimes 30 seconds…
flacoding
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How can I make multiple calls to initWithContentsOfURL without it eventually returning the wrong stuff?

I'm doing multiple levels of parsing of web pages where I use information from one page to drill down and grab a "lower" page to parse. When I get to the lowest level of my hierarchy, I no longer hit a new page, I basically hit the same one (with…
Troy Sartain
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Objective-C: initWithContentsOfURL returning null

I'm working on an app that would display a remote html and use local images, so what I'm trying to do is download the HTML of the website and display it as a "local" page, that would have access to images in my bundle. For some reason I can't get…
AragornSG
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iOS Check if remote file has updates before downloading

This is a two part question. I am using NSXMLParser to download an RSS feed. NSURL *url = [NSURL URLWithString:@"linktorssxml"]; parser = [[NSXMLParser alloc] initWithContentsOfURL:url]; [parser setDelegate:self]; [parser…
NeilMortonNet
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