Пытаюсь передать массив со списком bluetooth в fragmentdialog

Пытаюсь передать массив со списком bluetooth в fragmentdilog, во время запуска приложение вылезает список fragmentdiаlog и если нажать на список с именем блютуз то приложение вылетает с ошибкой.

Attempt to invoke virtual method 'android.bluetooth.BluetoothDevice android.bluetooth.BluetoothAdapter.getRemoteDevice(java.lang.String)' on a null object reference

public class DeviceSelectDialogFragment extends DialogFragment implements OnItemClickListener {

private ListView mDeviceListView;
private List<BluetoothDevice> mDevices;
private BluetoothAdapter bluetoothAdapter;
public static BluetoothSocket clientSocket;
//BluetoothDevice device;

public interface BluetoothDeviceSelectListener {
    public void onDeviceSelected(BluetoothDevice device);

    public void noBluetoothDevices();
}

public DeviceSelectDialogFragment() {
    // empty constructor required
}


@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    BluetoothAdapter defaultAdapter = BluetoothAdapter.getDefaultAdapter();

    if (defaultAdapter != null) {
        mDevices = new ArrayList<BluetoothDevice>(defaultAdapter.getBondedDevices());
    }

    if (mDevices.size() == 0) {

        BluetoothDeviceSelectListener activity = (BluetoothDeviceSelectListener) getActivity();
        activity.noBluetoothDevices();
        this.dismiss();
    }
}


@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.item_device, container);

    mDeviceListView = (ListView) view.findViewById(R.id.item_device_textView);
    List<String> deviceNames = new ArrayList<String>();
    for (BluetoothDevice device : mDevices) {
        deviceNames.add(device.getName());
    }
    ListAdapter adapter = new ArrayAdapter<String>(getActivity(), android.R.layout.simple_list_item_1,
            android.R.id.text1, deviceNames);
    mDeviceListView.setAdapter(adapter);
    mDeviceListView.setOnItemClickListener(this);

    getDialog().setTitle("Select Bluetooth Device");

    return view;
}





@Override
public void onItemClick(AdapterView<?> adapterView, final View view, int position, final long l) {

    final String itemMAC = mDeviceListView.getItemAtPosition(position).toString().split("/", 2)[0];

    new Thread() {
        @Override
        public void run() {

            BluetoothDevice device = bluetoothAdapter.getRemoteDevice(itemMAC);
            try {
                //генерируем socket - поток, через который будут посылаться данные

                BluetoothSocket socket = device.createRfcommSocketToServiceRecord
                        (device.getUuids()[0].getUuid());
                socket.connect();
                if (socket.isConnected()) {
                    //если соединение установлено, завершаем поиск
                    Log.e("eee", "socket get");
                    clientSocket = socket;
                    Intent intent = new Intent();

                   // Toast.makeText(, "Подключено", Toast.LENGTH_SHORT).show();

                } else {
                   // Toast.makeText(getApplicationContext(), "Не удалось подключиться", Toast.LENGTH_SHORT).show();

                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }


    }.start();

    }
}

public class MainActivity extends AppCompatActivity {


private BluetoothAdapter bluetoothAdapter;
private ListView listView;
private ArrayList<String> devicesList;
private ArrayAdapter<String> pairedDeviceAdapter;
public static BluetoothSocket clientSocket;

private ImageView btnImageBluetooth;
private ImageView btnImageUp;
private ImageView btnImageDown;
private ImageView btnImageLeft;
private ImageView btnImageRight;
private ImageView btnSettings;
DialogFragment bltDialog;


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);


    setContentView(R.layout.activity_main);


    btnSettings = (ImageView) findViewById(R.id.setting_img);
    listView = (ListView) findViewById(R.id.list_device);

    //myDialogFragment.show(manager, "myDialog");

    btnImageBluetooth = (ImageView) findViewById(R.id.btnImageBluetooth);
    btnImageBluetooth.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            DeviceSelectDialogFragment deviceSelectDialogFragment = new DeviceSelectDialogFragment();
            FragmentManager manager = getSupportFragmentManager();
            Bundle bundle = new Bundle();
            bundle.putStringArrayList("devices_list", devicesList);
            deviceSelectDialogFragment.setArguments(bundle);
            FragmentTransaction transaction = manager.beginTransaction();
            deviceSelectDialogFragment.show(transaction, "dialog");



            if (permissionGranted()) {

                bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
                if (bluetoothEnabled()) {



                }
            }

        }
    });
}


private boolean bluetoothEnabled() {
    if (bluetoothAdapter.isEnabled()) {
        return true;
    } else {
        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        startActivityForResult(enableBtIntent, 0);
        return false;
    }
}


private boolean permissionGranted() {
    //если оба разрешения получены, вернуть true
    if (ContextCompat.checkSelfPermission(getApplicationContext(), Manifest.permission.BLUETOOTH)
            == PermissionChecker.PERMISSION_GRANTED && ContextCompat.checkSelfPermission(getApplicationContext(),
            Manifest.permission.BLUETOOTH_ADMIN) == PermissionChecker.PERMISSION_GRANTED) {
        return true;
    } else {
        ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.BLUETOOTH,
                Manifest.permission.BLUETOOTH_ADMIN}, 0);
        return false;
    }
}