How to get list of paired Bluetooth headsets on iPhone?

Question

I'm trying to get the list of paired Bluetooth headset devices on my iPhone. I tried the External Accessory Framework as below:

[[EAAccessoryManager sharedAccessoryManager] registerForLocalNotifications];
NSArray *accessories = [[EAAccessoryManager sharedAccessoryManager] connectedAccessories];

but accessories array is always empty. Did I miss something? what is the right way of getting the list of attached Bluetooth headsets?

Assuming I could get the list of Bluetooth headsets, is there a way to redirect audio output to a certain Bluetooth headset?

according to the code below, there is no way to pick which device to send audio to:

UInt32 allowBluetoothInput = 1;
AudioSessionSetProperty(kAudioSessionProperty_OverrideCategoryEnableBluetoothInput,
                                sizeof (allowBluetoothInput), &allowBluetoothInput);

Thanks for your help,

Mehrdad

PS: I also tried Apple's sample app which practices External Accessory Framework, no luck!

Answer 1

Did you ever resolve this? I'm new to the External Accessory Framework, but from what I've found this framework only supports MFi compliant devices: http://developer.apple.com/library/ios/#qa/qa1657/_index.html