Nsurlsession download file

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Paste the following method:. Ok, now that you managed all required and useful NSURLSession related protocol methods, you need to handle the case when you complete downloading the file. In order to use presentPreviewAnimated method, you should implement the protocol method documentInteractionControllerViewControllerForPreview, so go ahead and add its implementation. Now, you should implement the buttons action implementations, no worries, they are few lines of code and you should be set.

In downloadFile method, you used the backgroundSession property to initialize a new download session task. Then you call resume to start the task. Now you are set and ready to run your program, but there is a small thing missing. For that, switch to ViewController. Run your app and click the Download button, feel free to pause and resume the download. As usual, you can download the running project here.

Hope you enjoyed this tutorial. Also, in response to your emails, I wrote a Swift 2 version of this tutorial for you here. Skip to content Update: The Swift version of this tutorial is available here. These tasks are: Manage downloads when the app is in a background state.

Offers a download session configuration object to store data in a file and continue the download task even when the app crashes or get suspended. Provide capabilities to pause, resume, cancel, restart the download task. Provide a way to notify the app about the download progress via its custom delegate object using a set of protocol methods.

Specifically, that issue:. Though the situation are not the same as " r. In that bug, the app has a mismatch between the bundle ID in their. I do try log my bundle ID in my first viewContronller and it does print what's been written in Info.

Yeah, now that I look at it again, is the internal bug number associated with your bug, FB I do try log my bundle ID in my first [view controller] and it does print what's been written in. We are using your bug report r. My advice to you, however, is to avoid this problem entirely by ensuring that your bundle IDs line up. This misalignment puts you way off the beaten path. I've tried to use wildcard app ID like com. Search by keywords or tags Submit Search Clear search query Additional information about Search by keywords or tags Supported Searches:.

Click again to start watching. Asked by claurel. Copy to clipboard Share this post. Copied to Clipboard. Add a Comment. Posted by claurel. Thank you for the quick reply, Quinn. Posted by highlvl. I had reason to look at this in depth on behalf of another developer and my conclusion is that this is most definitely a bug in NSURLSession.

Alas, I have no estimate as to when it might be fixed.