public static int getLogImageScale() {
        final int scale = getInt(R.string.pref_logImageScale, -1);

        //accomodate for legacy values which might be stored in preferences from former c:geo versions. See Issue #9655
        if (scale < 0) {
            return -1;
        }
        return Math.max(scale, 512);
    }
Force set the plain text log preference

@param plainLogs wanted or not
main/src/main/java/cgeo/geocaching/settings/Settings.java