Method cleanup

app/src/main/java/eu/faircode/email/ContactInfo.java:178–192

(Context context)

    }

    static void cleanup(Context context) {
        long now = new Date().getTime();

        // Favicons
        Log.i("Cleanup avatars");
        for (String type : new String[]{"notcontact", "favicons", "generated"}) {
            File[] favicons = Helper.ensureExists(context, type).listFiles();
            if (favicons != null)
                for (File file : favicons)
                    if (file.lastModified() + CACHE_FAVICON_DURATION < now) {
                        Log.i("Deleting " + file);
                        Helper.secureDelete(file);
                    }
        }
    }

    static void clearCache(Context context) {
        clearCache(context, true);