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Apple Remote and exclusivity
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Apple Remote and exclusivity


  • Subject: Apple Remote and exclusivity
  • From: Elan Feingold <email@hidden>
  • Date: Mon, 2 Jun 2008 09:44:48 -1000

Hi,

The app I'm working on makes use of the Apple Remote; specifically, it runs a helper app (daemon) so that the app can be started with a press of the Apple Remote Menu button, and then passes key presses it receives to the app via UDP messages.

I'm seeing two issues:

1) Even though I open the device with kIOHIDOptionsTypeSeizeDevice, I'm seeing times where it seems to lose exclusivity. I can't pin it to any specific event (i.e. wake from sleep, etc.), but it definitely seems to lose it after a period of time (hours, days). After that hitting the Menu button brings up both the application *and* Front Row, which is not exactly optimal :-)

I read somewhere that if an application loses focus and then regains it, it should reopen the device to assure exclusivity. I'm not sure how this would work with a daemon that doesn't ever have focus in the application sense.

2) I'm seeing cases where key-presses on the Apple Remote are lost. It might be correlated with the actual application using a bit more CPU. I'm not sure if the process doing the Apple Remote reception needs to be run at a higher priority?

Any help you could offer would be much appreciated!

Thanks,

-elan
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