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12 lines
849 B
Markdown
12 lines
849 B
Markdown
Tweak that redirects background NSURLSession configurations to foreground (default) configurations, for use when developing/debugging apps in the iOS Simulator.
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The iOS Simulator does not run `nsurlsessiond`, the system daemon that backs `NSURLSession` background transfers. Any app that uses `backgroundSessionConfigurationWithIdentifier:` to download or upload files (so the transfer can survive app suspension/termination on a real device) will fail in the Simulator with errors such as:
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```
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No XPC connection in Simulator
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BackgroundSession <...> an error occurred on the xpc connection to setup
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the background session: ... connection to service named com.apple.nsurlsessiond
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BackgroundSession <...> failed to create a background NSURLSessionDownloadTask,
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as remote session is unavailable
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Task <...> finished with error [-1] "unknown error"
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``` |