Xamarin Mac server becomes slow when main window is inactive

Question

I am currently developing a Mac OS X server application that processes a screenshot and sends it to a client over wifi. It all works very well, but I've noticed that the frame rate with which I am able to take and send screenshots is reduced by almost a factor 20 when the server main window is inactive for a few seconds. I have the feeling that this is an OS related feature/issue. Does anyone know what could be causing this? Are there any workarounds?

score 0 · Accepted Answer · edited May 23 '17 at 10:33

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This sounds a lot like what the App Nap feature could cause.

Recommendation is to programmatically disable it as already described here.

edited May 23 '17 at 10:33

Community

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answered Sep 07 '16 at 01:41

ADro Vladimirov

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Thanks a lot! That was it! – Alexander Maas Sep 07 '16 at 04:34

Xamarin Mac server becomes slow when main window is inactive

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