@Override
    protected void onCreate(final Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        try {
            // Field is private, make it accessible through reflection before hiding it.
            final Field field = getClass().getSuperclass().getDeclaredField("mProgressNumber");
            field.setAccessible(true);
            ViewUtils.setVisibility((View) field.get(this), View.GONE);
        } catch (final Exception e) { // no multi-catch below SDK 19
            Log.e("Failed to find the progressDialog field 'mProgressNumber'", e);
        }
    }
Modified progress dialog class which allows hiding the absolute numbers.
main/src/main/java/cgeo/geocaching/ui/dialog/CustomProgressDialog.java