I understand that asynchronous case using category change callback is preferable in the longterm. However, until more than one callback is supported, you are basically stuck with polling the categories.
Well, in my humble opinion changing the location service to support multiple callbacks and introducing synchronous driver startup into devman are more or less equally complicated tasks (from the programmer's point of view). When I think about it, the former might be even a little bit easier to implement than the latter, given all the corner cases that need to be considered.
The first option seems to be a proper and long-term solution for the problem, while the second option seems to be just a temporary hack with no other benefits. Why not simply implement the first option then?
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