发送不经 OSS 的消息

String peerUserID = "user_b";
OfflinePushInfo offlinePushInfo = new OfflinePushInfo();

OpenIMClient.getInstance().messageManager.sendMessageNotOss(
    new OnMsgSendCallback() {
        @Override
        public void onProgress(long progress) {
            // 不经 OSS 发送通常不触发文件上传进度
        }

        @Override
        public void onSuccess(Message sentMessage) {
            // 按 sentMessage.getClientMsgID() 更新本地消息状态
        }

        @Override
        public void onError(int code, String error) {
            // 处理发送失败
        }
    },
    message,
    peerUserID,
    null,
    offlinePushInfo
);