static private boolean zdob¹dŸUprawnienia(Activity activity, String permission, int requestCode)
    {
        //int permissionCheck = ContextCompat.checkSelfPermission(activity, android.Manifest.permission.READ_PHONE_STATE);
        int permissionCheck = ContextCompat.checkSelfPermission(activity, permission);
        if(permissionCheck != PackageManager.PERMISSION_GRANTED)
        {
            ActivityCompat.requestPermissions(
                    activity,
                    new String[]{ permission },
                    //REQUEST_READ_PHONE_STATE);
                    requestCode);
            return false;
        }
        else return true;
    }