Updating to 5.6

<uses-permission android:name="android.permission.POST_NOTIFICATIONS"
        tools:targetApi="33"/>

//MainActivity.java

//.....

private static final int REQUEST_CODE = 200;


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    String[] permissionsNeeded = permissionsNeeded();
    if (permissionsNeeded.length > 0) {
        requestPermission(permissionsNeeded, REQUEST_CODE);
        for (String permission : permissionsNeeded) {
            if (Manifest.permission.BLUETOOTH_CONNECT.equals(permission)) {
                // We need to request BLUETOOTH_CONNECT permission to connect to SDL via Bluetooth
                return;
            }
        }
    }

    //If we are connected to a module we want to start our SdlService
    SdlReceiver.queryForConnectedService(this);

}

/**
* Boolean method that checks API level and check to see if we need to request BLUETOOTH_CONNECT permission
* @return false if we need to request BLUETOOTH_CONNECT permission
*/
private boolean hasBTPermission() {
    return Build.VERSION.SDK_INT >= Build.VERSION_CODES.S ? checkPermission(Manifest.permission.BLUETOOTH_CONNECT) : true;
}

/**
* Boolean method that checks API level and check to see if we need to request POST_NOTIFICATIONS permission
* @return false if we need to request POST_NOTIFICATIONS permission
*/
private boolean hasPNPermission() {
    return Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU ? checkPermission(Manifest.permission.POST_NOTIFICATIONS) : true;
}

private boolean checkPermission(String permission) {
    return PackageManager.PERMISSION_GRANTED == ContextCompat.checkSelfPermission(getApplicationContext(), permission);
}

private void requestPermission(String[] permissions, int REQUEST_CODE) {
    ActivityCompat.requestPermissions(this, permissions, REQUEST_CODE);
}

private @NonNull String[] permissionsNeeded() {
    ArrayList<String> result = new ArrayList<>();
    if (!hasBTPermission()) {
        result.add(Manifest.permission.BLUETOOTH_CONNECT);
    }
    if (!hasPNPermission()) {
        result.add(Manifest.permission.POST_NOTIFICATIONS);
    }
    return (result.toArray(new String[result.size()]));
}

@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
    switch (requestCode) {
        case REQUEST_CODE:
            if (grantResults.length > 0) {
                for (int i = 0; i < grantResults.length; i++) {
                    if (permissions[i].equals(Manifest.permission.BLUETOOTH_CONNECT)) {
                        boolean btConnectGranted =
                                grantResults[i] == PackageManager.PERMISSION_GRANTED;
                        if (btConnectGranted) {
                            SdlReceiver.queryForConnectedService(this);
                        }
                    } else if (permissions[i].equals(Manifest.permission.POST_NOTIFICATIONS)) {
                    boolean postNotificationGranted =
                                grantResults[i] == PackageManager.PERMISSION_GRANTED;
                        if (!postNotificationGranted) {
                            // User denied permission, Notifications for SDL will not appear
                            // on Android 13 devices.
                        }
                    }
                }
            }
            break;
    }
}

//.....