How to Verify whether bluetooth headsets are connected on Android?

Moving this to an answer so that further comments can made. Works great!

public class BluetoothReceiver extends BroadcastReceiver {    private AudioManager localAudioManager;    private static final int STATE_DISCONNECTED  = 0x00000000;    private static final String EXTRA_STATE = "android.bluetooth.headset.extra.STATE";    private static final String TAG = "BluetoothReceiver";    private static final String ACTION_BT_HEADSET_STATE_CHANGED  = "android.bluetooth.headset.action.STATE_CHANGED";    private static final String ACTION_BT_HEADSET_FORCE_ON = "android.bluetooth.headset.action.FORCE_ON";    private static final String ACTION_BT_HEADSET_FORCE_OFF = "android.bluetooth.headset.action.FORCE_OFF";    @Override    public void onReceive(final Context context, final Intent intent) {        Log.i(TAG,"onReceive - BluetoothBroadcast");        localAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);        final String action = intent.getAction();        if (action.equals(ACTION_BT_HEADSET_STATE_CHANGED)) {            final int extraData = intent.getIntExtra(EXTRA_STATE, STATE_DISCONNECTED);            if (extraData == STATE_DISCONNECTED) {                localAudioManager.setBluetoothScoOn(false);                localAudioManager.stopBluetoothSco();                localAudioManager.setMode(AudioManager.MODE_NORMAL);                Log.i(TAG, "Bluetooth Headset Off " + localAudioManager.getMode());                Log.i(TAG, "A2DP: " + localAudioManager.isBluetoothA2dpOn() + ". SCO: " + localAudioManager.isBluetoothScoAvailableOffCall());            } else {                            localAudioManager.setMode(0);                localAudioManager.setBluetoothScoOn(true);                localAudioManager.startBluetoothSco();                localAudioManager.setMode(AudioManager.MODE_IN_CALL);                Log.i(TAG, "Bluetooth Headset On " + localAudioManager.getMode());                Log.i(TAG, "A2DP: " + localAudioManager.isBluetoothA2dpOn() + ". SCO: " + localAudioManager.isBluetoothScoAvailableOffCall());            }        }           if (action.equals(ACTION_BT_HEADSET_FORCE_ON)) {            localAudioManager.setMode(0);            localAudioManager.setBluetoothScoOn(true);            localAudioManager.startBluetoothSco();            localAudioManager.setMode(AudioManager.MODE_IN_CALL);            Log.i(TAG, "Bluetooth Headset On " + localAudioManager.getMode());            Log.i(TAG, "A2DP: " + localAudioManager.isBluetoothA2dpOn() + ". SCO: " + localAudioManager.isBluetoothScoAvailableOffCall());        }        if (action.equals(ACTION_BT_HEADSET_FORCE_OFF)) {            localAudioManager.setBluetoothScoOn(false);            localAudioManager.stopBluetoothSco();            localAudioManager.setMode(AudioManager.MODE_NORMAL);            Log.i(TAG, "Bluetooth Headset Off " + localAudioManager.getMode());            Log.i(TAG, "A2DP: " + localAudioManager.isBluetoothA2dpOn() + ". SCO: " + localAudioManager.isBluetoothScoAvailableOffCall());        }    }}