Audio playing while app in background iOS

Question

I have an app mostly based around Core Bluetooth. When something specific happens, the app is woken up using Core Bluetooth background modes and it fires off an alarm, however I

Answer 1

Try this :

[[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryAmbient error:nil];

link

Try this http://www.sagorin.org/ios-playing-audio-in-background-audio/