ios - Apple's official sample HLSCatalog dose not work? -


i trying apple's sample project hlscatalog downloading hls stream, avassetdownloaddelegate methods not called when pressed "download" button basic stream. however, urlsession(_ session: urlsession, task: urlsessiontask, didcompletewitherror error: error?) , urlsession(_ session: urlsession, assetdownloadtask: avassetdownloadtask, didfinishdownloadingto location: url) called when pressed "cancel" cancel download.

the sample project run on iphone 6+ (real device), ios 10.3.2.
wifi connection , 4g both tested.

does have same issue?


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