I have a callback receiving progress on downloadin...
# coroutinesd
dave08
12/17/2018, 1:41 PMI have a callback receiving progress on downloading part of a file, I want to accumulate the progress of all the parts being downloaded to show progress in an Android app, do I really need that channel to send the results? Is there any better way to accumulate these results with a channel (maybe without the AtomicLong)?
g
gildor
12/17/2018, 3:43 PMI just use callbacks for that
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dave08
12/17/2018, 3:45 PMProblem is that I need to accumulate the progress from the
asyncg
gildor
12/17/2018, 3:47 PMYeah, I see.
AtomicLong is actually fine solution. Channel does a few atomic operations and a few objects on each emit so probably AtomicLong + call back is fine
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dave08
12/17/2018, 3:50 PMMy problem is (1) unit testing which is VERY painful with this.. and (2) a mysterious extra value slips in (maybe a problem in my unit tests... or maybe just the time between the offer and the addAndGet...). I think the standard way in the coroutine guide is just to pass the same channel to all the
async3 Views