Questions tagged [nsurlsession]
NSURLSession is the API for HTTP connections introduced in iOS 7 and OS X 10.9.
nsurlsession
2,489
questions
612
votes
27
answers
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The resource could not be loaded because the App Transport Security policy requires the use of a secure connection
I am facing the Problem when I have updated my Xcode to 7.0 or iOS 9.0.
Somehow it started giving me the Titled error
"The resource could not be loaded because the App Transport Security
policy ...
- 21.1k
457
votes
21
answers
544k
views
How to make HTTP request in Swift?
I read The Programming Language Swift by Apple in iBooks, but cannot figure out how to make an HTTP request (something like cURL) in Swift. Do I need to import Obj-C classes or do I just need to ...
- 6,295
226
votes
7
answers
186k
views
Send POST request using NSURLSession
I'm trying to perform a POST request to a remote REST API using NSURLSession. The idea is to make a request with two parameters: deviceId and textContent.
The problem is that those parameters are not ...
- 4,715
137
votes
13
answers
140k
views
NSURLSession/NSURLConnection HTTP load failed on iOS 9
Tried to run my existing app on iOS9 but getting failure while using AFURLSessionManager.
__block NSURLSessionDataTask *task = [self.sessionManager dataTaskWithRequest:request completionHandler:^(...
- 9,891
122
votes
10
answers
147k
views
Generate your own Error code in swift 3
What I am trying to achieve is perform a URLSession request in swift 3. I am performing this action in a separate function (so as not to write the code separately for GET and POST) and returning the ...
- 4,130
113
votes
7
answers
145k
views
Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit
I'm writing StoreKit-related code, and I'm getting some rather troubling error codes when I try to add a purchase to the queue.
So far, I've experienced error codes -1003 and -1004 and I can't find ...
- 3,937
91
votes
7
answers
96k
views
NSURLSession: How to increase time out for URL requests?
I am using iOS 7's new NSURLSessionDataTask to retrieve data as follows:
NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:
request ...
- 5,554
73
votes
1
answer
20k
views
NSURLSession concurrent requests with Alamofire
I'm experiencing some strange behaviour with my test app. I've about 50 simultaneous GET requests that I send to the same server. The server is an embedded server on a small piece of hardware with ...
- 3,782
56
votes
7
answers
36k
views
How do I use NSOperationQueue with NSURLSession?
I'm trying to build a bulk image downloader, where images can be added to a queue on the fly to be downloaded, and I can find out the progress and when they're done downloading.
Through my reading it ...
- 29.9k
55
votes
3
answers
27k
views
NSURLSession with NSBlockOperation and queues
I have an app that currently uses NSURLConnection for the vast majority of its networking. I would like to move to NSURLSession because Apple tells me that is the way to go.
My app just uses the ...
- 1,841
51
votes
4
answers
11k
views
NSURLSession dataTaskForRequest:completion: unrecognized selector sent to instance
When trying to create my own session object NSURLSession() and request an url I get an unrecognized selector exception but when I use the shared session NSURLSession.sharedSession() everything works ...
- 7,227
50
votes
1
answer
34k
views
How to get server response data in NSURLSession without completion block
I am using NSURLSession for background image uploading. And according to uploaded image my server gives me response and I do change in my app accordingly. But I can't get my server response when my ...
user3648985
49
votes
4
answers
97k
views
How to send POST and GET request?
I want to send my JSON to a URL (POST and GET).
NSMutableDictionary *JSONDict = [[NSMutableDictionary alloc] init];
[JSONDict setValue:"myValue" forKey:"myKey"];
NSData *JSONData = [...
- 9,869
39
votes
2
answers
38k
views
Unexpected Non-Void Return Value In Void Function (Swift 2.0)
I have been skimming the StackOverflow questions trying to figure out where I'm going wrong with my code, but I just can't seem to! I am trying to convert my Swift 1.2 project to Swift 2.0, and am ...
- 2,853
37
votes
8
answers
64k
views
How to make NSURLSession POST request in Swift
Hi I am very beginner for Swift and I am trying to make NSURLSession "Post" request sending some parameter like my below code
According to my below code response not coming from server can some one ...
- 4,214
36
votes
5
answers
39k
views
How to get cookie from a NSURLSession with Swift?
I have a NSURLSession that calls dataTaskWithRequest in order to send a POST request in this way
func makeRequest(parameters: String, url:String){
var postData:NSData = parameters....
- 22.1k
36
votes
5
answers
14k
views
What is difference between NSURLSessionDataTask vs NSURLSessionDownloadTask
In latest apple introduce new NSURLSession in replace of NSURLConnection, so in there are different task , so what is the difference between NSURLSessionDataTask, NSURLSessionDownloadTask ?
and in ...
- 17.3k
35
votes
3
answers
10k
views
Using NSURLSession from a Swift command line program
I'm trying to test a little proof-of-concept command line app prior to integrating it into a larger app. What I'm trying to do is download some data using NSURLSession using this example. However it ...
- 3,403
35
votes
3
answers
15k
views
Resume NSUrlSession on iOS10
iOS 10 is going to be released soon so it worth to test applications for compatibility with it. During such test we've discovered that our app can't resume background downloads on iOS10. Code that ...
- 5,216
34
votes
2
answers
19k
views
Set number of concurrent downloads with NSURLSessionDownloadTask
I'm using the new NSURLSession API and allowing the user to download files. I'd like to try and tell my NSURLSession how many simultaneous downloads to run, but I don't see a way to do it. I'd like to ...
- 14.4k
33
votes
2
answers
32k
views
NSURLSession + server with self signed cert
I have an app that is production along with a development server that has a self signed certificate.
I am attempting to test NSURLSession and background downloading but can't seem to get past - (...
- 8,598
30
votes
2
answers
10k
views
NSURLSession causing EXC_BAD_ACCESS
I've noticed that implementing NSURLSessionDataDelegate and starting a task will very occasionally throw an EXC_BAD_ACCESS. The actual calling method that gives the error seems to vary but always ...
- 858
29
votes
4
answers
29k
views
Showing the file download progress with NSURLSessionDataTask
I want to display file download progress (how many bytes are received) of particular file. It works fine with the NSURLSessionDownloadTask .My question is I want to achieve the same with the ...
- 325
29
votes
2
answers
4k
views
iOS 9: Crash on -[_NSXPCDistantObject methodSignatureForSelector:]
I'm getting a strange bug:
Fatal Exception: NSInvalidArgumentException
*** -[_NSXPCDistantObject methodSignatureForSelector:]: No protocol has been set on connection connection
to service ...
- 12.3k
28
votes
2
answers
26k
views
How can I get the Data from NSURLSession.sharedSession().dataTaskWithRequest
class PostFOrData {
let url = NSURL( string: "http://210.61.209.194:8088/SmarttvWebServiceTopmsoApi/GetReadlist")
var picUrl = NSURL(string : "http://210.61.209.194:8088/SmarttvMedia/img/...
- 281
28
votes
5
answers
15k
views
what is the advantage of using Alamofire over NSURLSession/NSURLConnection for networking?
Can anyone help me in understanding these question : What is the advantage of using Alamofire over NSURLSession/ NSURLConnection?
What are the differences between NSURLSession and NSURLConnection?
27
votes
3
answers
38k
views
What is the biggest difference between NSURLConnection and NSURLSession
NSURLSession is new network SDK than NSURLConnection from Apple. 3rd old choice is CFNetwork.
Question here is to figure out the biggest difference between them to understand why Apple is evolving ...
- 125k
26
votes
1
answer
15k
views
How do I unit test HTTP request and response using NSURLSession in iOS 7.1?
I'd like to know how to "unit test" HTTP requests and responses using NSURLSession. Right now, my completion block code does not get called when running as a unit test. However, when the same code is ...
- 8,493
26
votes
3
answers
39k
views
How to cache using NSURLSession and NSURLCache. Not working
I have a test app setup and it successfully downloads content from the network even if the user switches apps while a download is in progress. Great, now I have background downloads in place. Now I ...
- 9,508
26
votes
4
answers
61k
views
NSURLSession/NSURLConnection HTTP load failed (kCFStreamErrorDomainSSL, -9813) in iOS 9 with Xcode 7.1
I am using iOS 9 as target & using Xcode 7.1, tried everything as my level best for all the solutions of ATS but didn't work. Below is the following error description coming at console. If any ...
- 373
25
votes
4
answers
30k
views
iOS 9.3 : An SSL error has occurred and a secure connection to the server cannot be made
I am getting following error with self signed certificate
Error Domain=NSURLErrorDomain Code=-1200 "An SSL error has occurred
and a secure connection to the server cannot be made.
while testing ...
- 35.7k
25
votes
4
answers
13k
views
NSURLSessionConfiguration timeoutIntervalForRequest vs NSURLSession timeoutInterval
With the new NSURLSession, there is now a timeoutIntervalForRequest on the NSURLSessionConfiguration object used to create the session.
But there is still a timeoutInterval on the NSURLRequest object ...
- 768
24
votes
4
answers
13k
views
NSURLSession Memory Leaks occur when using web services in IOS
I am building an app that uses a web service and to get information from that web service I use NSURLSession and NSURLSessionDataTask.
I am now in the memory testing phase and I have found that ...
- 2,623
24
votes
3
answers
42k
views
Domain=NSURLErrorDomain Code 1202
Hi I receive the following error:
Error Domain=NSURLErrorDomain Code=-1202 \"The certificate for this server is invalid. You might be connecting to a server that is pretending to be “server-prod....
- 603
24
votes
5
answers
16k
views
Prevent NSURLSession from caching responses
Why does it cache responses. It returns previously fetched responses. It even works if turning off the network connection. Resetting the iOS simulator did not seem to work either. Making a request, ...
- 9,610
24
votes
4
answers
17k
views
Best practices for making a queue of NSURLSessionTasks
What are the best practices for making a serial queue of NSURLSessionTasks ?
In my case, I need to:
Fetch a URL inside a JSON file (NSURLSessionDataTask)
Download the file at that URL (...
- 16.5k
24
votes
1
answer
4k
views
Transition from RestKit to pure AFNetworking 2.0
I'd been using RestKit for the last two years, but recently I've started thinking about transition from these monolith framework as it seems to be really overkill.
Here's my pros for moving forward:
...
- 489
23
votes
1
answer
12k
views
Does NSURLSession for HTTP data task (NSURLSessionDataTask) runs in background thread or we will have to provide the queue?
I started to use NSURLSession by avoiding NSURLConnection now a days as it's a new and elegant API provided by Apple. Previously, I used to put call NSURLRequest in GCD block to execute it in ...
- 4,742
22
votes
1
answer
31k
views
NSURLSession delegate vs. completionHandler
I've always used completion handlers. With NSURLConnection and now with NSURLSession. It's led to my code being really untidy, especially I have request within request within request.
I wanted to try ...
- 951
21
votes
5
answers
29k
views
iOS 9 ATS SSL error with supporting server
I installed Xcode 7 and tried running my app under iOS 9.
I'm getting the infamous error: Connection failed! Error - -1200 An SSL error has occurred and a secure connection to the server cannot be ...
- 10.1k
21
votes
1
answer
14k
views
iOS - Best practice to save Images locally - NSCache vs Save in Document Directory
I'm developing an app that similar to Instagram feed (tableviews with cells that contain images and some labels).
For all the data I'm getting from the database, I'm using Data Task (because it doesn'...
- 357
21
votes
1
answer
1k
views
What happens if disk space runs out while using NSURLSessionDownloadTask in background?
In a iOS 8.1 app I am using NSURLSessionDownloadTask to download an archive in the background which can sometimes get quite large.
Everything works fine, but what will happen if the phone runs out ...
- 12k
20
votes
6
answers
37k
views
How to find and cancel a task in NSURLSession?
I'm using an NSURLSession object to load images in my application. That could be loading several images simultaneously.
In some moments I need to cancel the loading of one specific image and ...
- 3,733
20
votes
5
answers
17k
views
NSURLSessionTask never calls back after timeout when using background configuration
I am using NSURLSessionDownloadTask with background sessions to achieve all my REST requests. This way I can use the same code without have to think about my application being in background or in ...
- 10.1k
20
votes
1
answer
4k
views
Why is NSURLSession slower than cURL when downloading many files?
I've been using cURL to download about 1700+ files -- which total to about ~290MB -- in my iOS app. It takes about 5-7 minutes on my Internet connection to download all of them using cURL. But since ...
- 869
20
votes
3
answers
14k
views
NSURLSession background download - resume over network failure
After reading the Apple documentation about the background download with the new iOS7 api (NSURLSession), I'm a bit disappointed. I was sure that Apple was managing the pause/resume over the network ...
- 1,527
19
votes
6
answers
15k
views
NSURLSession completion block not called
var session = NSURLSession.sharedSession()
session.dataTaskWithRequest(urlRequest,
completionHandler: {(data: NSData!,
...
- 2,860
19
votes
1
answer
30k
views
NSURLConnection deprecated in iOS9
I want to download a file with a NSURLRequest and save it but in the line with the
NSData * data = ... happens an error.
NSURL *Urlstring = [NSURL URLWithString:@"http://yourdomain.com/yourfile.pdf"...
- 774
19
votes
1
answer
18k
views
How to cancel on-going HTTP request in Swift?
My code does GET request like this:
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), { () -> Void in
// ...
let task = NSURLSession.sharedSession()....
- 2,278
19
votes
3
answers
16k
views
How do you know when the NSURLSession object has been invalidated by iOS?
I am seeing an error in my tests where occasionally I get the following iOS error:
A background URLSession with identifier {GUID} already exists!
Even though I call invalidateAndCancel on the ...
- 1,069