I am getting getBluetoothService() called with no BluetoothManagerCallback as an error frequently in my Android application.
I have no idea what is caus
This also comes up if the BluetoothServerSocket isn't currently accepting [bluetoothServerSocket.accept()] with the same UUID you are trying to connect.
If you are sure you are accepting with the server socket, double check that you haven't provided a too short timeout (I had previously set it to 200 to check something, whoops).