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CoreBluetooth capabilities questions
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CoreBluetooth capabilities questions


  • Subject: CoreBluetooth capabilities questions
  • From: "Gutierrez, Gerald" <email@hidden>
  • Date: Tue, 07 Feb 2012 13:04:57 -0600
  • Acceptlanguage: en-US
  • Thread-topic: CoreBluetooth capabilities questions


Hello Bluetooth experts,

I'm doing some further investigation into CoreBluetooth. Session backgrounding is a mystery to me. Some questions:

#1 For example, I created a small app, set UIBackgroundModes to bluetooth-central and created a recurring NSTimer to increment a counter. When I run this app, the timer runs but stops when I put the app in the background. It resumes when I put the app back in the foreground. Is this proper behavior or am I missing something? 

#2 Backing up a bit, is it possible for me to run arbitrary code?

#3 Another open question to me is audio. I'd like to be able to play background audio (not just a sound clip from a local notification) while an LE app is in the background. It's not obvious to me whether this is possible or not.

#4 Assuming I can run arbitrary code while in the background, if I post a local notification, will that notification be shown as a popup or do I simply get a callback in the AppDelegate?

Appreciate any help.

Gerald.

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