Method onSeen

app/src/main/java/eu/faircode/email/ServiceUI.java:404–419

(long id)

    }

    private void onSeen(long id) {
        DB db = DB.getInstance(this);
        try {
            db.beginTransaction();

            EntityMessage message = db.message().getMessage(id);
            if (message == null)
                return;

            EntityOperation.queue(this, message, EntityOperation.SEEN, true);

            db.setTransactionSuccessful();
        } finally {
            db.endTransaction();
        }
    }

    private void onHide(long id) {
        DB db = DB.getInstance(this);