Track the total unread count

OpenIMClient.getInstance().conversationManager.getTotalUnreadMsgCount(
    new OnBase<String>() {
        @Override
        public void onSuccess(String value) {
            int totalUnread = Integer.parseInt(value);
            // totalUnread is the account's total unread count.
        }

        @Override
        public void onError(int code, String error) {
            // code and error describe the failure.
        }
    }
);