Android - How to enable Bluetooth to be always on?

Question

Two question on Bluetooth development on Android:

1. Is there a way to enable Bluetooth to be always on (I might have a long device discovery phase in my applicati

Answer 1

On 2.3.6 I can keep the device always visible by putting the delay 0:

Intent di = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
di.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 0);