How to check if bluetooth is enabled programmatically?

Question

I would like to check if bluetooth is enabled on any Android device periodically. Is there any intents that I could catch using BroadcastReceiver to do so, or is there other

Answer 1

use can use

BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();

for check bt connected

mBluetoothAdapter.getProfileConnectionState(BluetoothHeadset.HEADSET) == BluetoothHeadset.STATE_CONNECTED

for check bt disconnected

mBluetoothAdapter.getProfileConnectionState(BluetoothHeadset.HEADSET) == BluetoothHeadset.STATE_DISCONNECTED