I'm developing blog speaker app.

I wanna pause the audio when bluetooth is disabled like iPod app. I thought it's not possible without using private api after reading this. Check if Bluetooth is Enabled?

But, my customer told me that Rhapsody and DI Radio apps both support it.

Then I found iOS5 has Core Bluetooth framework. https://developer.apple.com/library/ios/documentation/CoreBluetooth/Reference/CoreBluetooth_Framework/CoreBluetooth_Framework.pdf

CBCentralManagerStatePoweredOff status seems like the one.

But, the description says this api only supports Bluetooth 4.0 low energy devices. Did anyone try doing the same thing?

I want to support current popular bluetooth headsets, or bluetooth enabled steering wheel on the car. I don't know if it's worth trying when it only supports some brand new bluetooth.