See Apple documentation for Swift (URLSessionDataTask) and Objective C.
Questions tagged [nsurlsessiondatatask]
265 questions
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Enable cross-site tracking for iOS network requests
I would like to enable cross-site tracking for one of my iOS network requests - I can't find anything on which configuration setting would provide that option. I am using a shared URLSession and for every request I create a separate…

nambatee
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POST request error when app goes to background
Is it expected behavior for a POST request in URLSessionDataTask to have an error NSURLErrorNetworkConnectionLost -1005 when the app goest to the background during the request?
For example, during a POST web service request, the user taps the home…

SleepNot
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NSUrlSession: Challenge NSURLAuthenticationMethodServerTrust fails only when client certificate is also needed
we want to connect our app to our IIS webservice. We use self signed certificates and also a client certificate for authentication.
When the webservice doesn't require client certificate authentication, everything works fine,…

Tobe
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ios URLSessionDataTask use resume with Data
I'am using URLSessionDataTask to download videos and play them (I need caching so I'am using the
func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data)
to manually handle the data and provide them to…

user3703910
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NSURLSession didReceiveData called continuously for same request with same response
- (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveData:(NSData *)data {
}
The above delegate method is called repeatedly so that the below delegate method is not called and app is hanged because of…

Ganesh Bavaskar
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URLSession dataTask doesn't work
im new at swift and im trying to get response from a soap services, but the dataTask in my session never get in, always skip it. I already test te urls and the soap message but i don't have any lucky. Here is my code
func servisRun(){
let…

Adrian Ponce Muñoz
- 11
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1 answer
Facing an issue with NSURLSessionDataTask with SynchronousRequest in objective-c
Here is my working code with NSURLConnection sendSynchronousRequest :
+ (Inc*)getData:(NSString*)inUUID {
NSString* urlString = [NSString stringWithFormat:@"/inc/%@", incUUID];
NSURLRequest* request = [[HttpRequest…

Mihir Oza
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3 answers
images can't be display in table view
I created a tableView with custom cells that each cell has an image.
In the model class, I created a func mainPulatesData() to use URLSession dataTask method to retrieve data from url, and convert data into UIImage in the completion handler…

CEz
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still timeout after I suspend NSURLSessionDataTask in AFN3.1.0
I init NSURLSessionDataTask with follow method
- (NSURLSessionDataTask *)dataTaskWithRequest:(NSURLRequest *)request completionHandler:(nullable void (^)(NSURLResponse *response, id _Nullable responseObject, NSError * _Nullable…

Rachel
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3 answers
Cookies don't exist when using URLSessionDataTask
I'm trying to access my backend API using a URLSessionDataTask. Part of this includes accessing cookies stored using Safari.
For example, the php code in the backend for http://api.example.com/v1/getCookies is
echo $_COOKIE["myCookieName"];
The…

Jojodmo
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1 answer
URLSession.shared.dataTask with body / payload
The following code is working perfectly for a simple http request. However I cant find a way of adding a payload or body string in Swift 3? and previous versions are depreciated
func jsonParser(urlString: String, completionHandler: @escaping (_…

ThundercatChris
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2 answers
How to get html from url AFTER ajax on webpage has finished
I'm writing an app in Swift 3.0 and I'm trying to scrape data from the search results of a webpage. I perform the search by including the search query as a parameter in the url, but the html that's getting returned to me has no results. I believe…

jeremyabannister
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How to handle the application if connection breaks in between a web service call
In several interviews I have been asked about handling of connection, web service calls, server responses and all. Even now I am not clear about many things.Could you please help me to get a better idea about the following scenarios?
What is the…

iOSManiac
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Alert Controller Freezes on main thread
Am connecting to the services and receiving the data from backend. The code is as follows:
_ = session.dataTaskWithRequest(request, completionHandler: { (data, response, error) in
if response != nil{
var responseREcvd =…

Prabhakar Patil
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Problems with Swift3: cannot understand new syntax
Yesterday I updated to Xcode 8.2 which forced me to update to Swift 3.0 syntax. In my app I have this function:
func performGetRequest(_ targetURL: URL!, completion:@escaping (_ data: Data?, _ HTTPStatusCode: Int, _ error: NSError?) -> Void)
{
…

bero
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