@Override
    protected void onLoginIssue(final boolean issue) {
        if (issue) {
            binding.infoNotloggedinIcon.attributeImage.setImageResource(R.drawable.attribute_wirelessbeacon);
            binding.infoNotloggedinIcon.attributeStrikethru.setVisibility(View.VISIBLE);
            binding.infoNotloggedin.setVisibility(View.VISIBLE);
        } else {
            binding.infoNotloggedin.setVisibility(View.GONE);
        }
    }
if no connector can log in, set visibility of warning message accordingly
main/src/main/java/cgeo/geocaching/MainActivity.java