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eliekarouz avatar eliekarouz commented on July 28, 2024

I encountered a similar issue when building a bluetooth system that I start on application launch. The system was monitoring the methodInvoked stream for appDidBecomeActive but it seems to me that the system was missing the first event due to the async nature of the architecture. So it subscribed right after the method was invoked. @kzaher is this a correct behavior?
It doesn't happen on all devices/iOS versions though.

I solved it by using a BehaviorRelay instead of the methodInvoked. I update the variable in viewWillAppear and viewWillDisappear and the system gets notified and will not miss the event. I think it makes sense as it's more like a state rather than just a Signal that you need.

from rxfeedback.swift.

kzaher avatar kzaher commented on July 28, 2024

This is reliance on the timing of the subscription. This is quite fragile approach IMHO. Subscribing to a state describing is the VC view visible is better IMHO.

from rxfeedback.swift.

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