CODEWITHSUNDEEP
swift3taskios10nsoperationqueue
Bogdan Bogdanov
Bogdan Bogdanov

Reputation: 992

sendAsynchronousRequest deprecation in iOS 9 and using it in iOS 10 with OperationQueue

I'm trying to download over 1000 images with total size of 50MB. My code for iOS 9 was:

    let operationQueue = OperationQueue.main
    operationQueue.maxConcurrentOperationCount = 1
    operationQueue.qualityOfService = .background
    for url in urls{
      let urlRequest = URLRequest(url: URL(string: url)!)
      NSURLConnection.sendAsynchronousRequest(urlRequest, queue: operationQueue, completionHandler: { (response, data, error) in
          //image
      })
}

so I want to download the images one by one, but now in iOS 10 sendAsynchronousRequest is deprecated and I don't know how to add the images to queue. I saw different questions about using of sendAsynchronousRequest in iOS 10 , but I didn't find how to add it to queue. The most of the answers are to use URLSession.shared.dataTask(...) , but there you can't add the task to a queue. Any suggestions how to add all requests to operationQueue ?

Upvotes: 0

Views: 64

Answers (1)

vadian
vadian

Reputation: 285160

URLSession is the right way to go.

Unlike in NSURLConnection where the request is dispatched on a queue, URLSession itself is dispatched on a queue.

Create a custom session with 

init(configuration: URLSessionConfiguration, 
            delegate: URLSessionDelegate?, 
            delegateQueue queue: OperationQueue?)

It's worth it to read the documentation

Upvotes: 1

Related Questions