swift - Why is URLSession not resuming on iOS 10? -


in ios download manager

rcdownload object holds title, url, download state , resume data location of download

i have block variable called defaultsession looks this:

lazy var defaultsession: urlsession = {          let configuration = urlsessionconfiguration.background(withidentifier: "rcbackgrounddownloader")         configuration.isdiscretionary = false         configuration.sessionsendslaunchevents = true         let session = urlsession(configuration: configuration, delegate: self, delegatequeue: nil)          return session     }()

my app able pause , resume downloads

and resume function looks this:

func resume(download: rcdownload) {          var data: data!          {             data = try data(contentsof: download.getresumedataurl())         } catch {}          download.downloadstate = downloadstatus.downloading          if data != nil {             download.downloadtask = self.defaultsession.downloadtask(withresumedata: data)             download.downloadtask?.resume()         } else {             download.downloadtask = self.defaultsession.downloadtask(with: download.downloadurl)             download.downloadtask?.resume()         }      }

this code works on ios 9 on ios 10 not resume when kill app , reopen no errors appearing though (reminder: working on ios 9), confused there explanation ?

the bug in ios 10, apple has fix it. have fixed 10.2 version though, according thread on apple's forum.

you can stackoverflow's post. have provided solution details.


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