private final BroadcastReceiver devicesFoundReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            String action = intent.getAction();
            if (BluetoothDevice.ACTION_FOUND.equals(action)) {
                BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
                listAdapter.add(device.getName() + "\n" + device.getAddress());
                //mList.add(device.getName());

                for (int i = 0; i < listAdapter.getCount(); i++) {
                    String str = listAdapter.getItem(i);
                    mList.add(str);
                    Log.d("Name", str);
                }
                listAdapter.notifyDataSetChanged();
            } else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) {
                btnScan.setText("Scanning Bluetooth devices...");
            } else if (BluetoothAdapter.ACTION_DISCOVERY_STARTED.equals(action)) {
                btnScan.setText("Scanning in progress...");
            }
        }
    };