大约有 880 项符合查询结果（耗时：0.0072秒） [XML]
Does Android support near real time push notification?
...
I recently started playing with MQTT http://mqtt.org for Android as a way of doing what you're asking for (i.e. not SMS but data driven, almost immediate message delivery, scalable, not polling, etc.)
I have a blog post with background information on this ...
Push Notifications in Android Platform
...pport near real time push notification? )
I recently started playing with MQTT http://mqtt.org for Android as a way of doing this sort of thing (i.e. push notification that is not SMS but data driven, almost immediate message delivery, not polling, etc.)
I have a blog post with background informat...
What ports does RabbitMQ use?
...s without and with TLS (only if the STOMP plugin is enabled)
1883, 8883: (MQTT clients without and with TLS, if the MQTT plugin is enabled
15674: STOMP-over-WebSockets clients (only if the Web STOMP plugin is enabled)
15675: MQTT-over-WebSockets clients (only if the Web MQTT plugin is enabled)
R...
App Inventor 2 如何开发掌控版做互联网通讯App？ - App Inventor 2 中文网...
...这个是需要再安装插件还是怎么弄？
答复：
[hide]使用MQTT拓展，下载地址：https://www.fun123.cn/reference/components/connectivity.html#Mqtt
参考IoT专题的最后一篇文章：https://blog.csdn.net/INT_TANG/article/details/128210609
[/hide]
【二进制】UrsAI2ByteArray 字节数组扩展：读写二进制数据，二进制文件读写...
...件或从文件读取。例如，如果通过UDP（URS AI2 UDP扩展）或MQTT（URS AI2 MQTT扩展）传输图像，它们不能直接插入到图像组件中。这里有助于将数据存储在临时中间文件中，并从那里加载到图像块中。注意：两个函数都异步执行！文件...
How does facebook, gmail send the real time notification?
...
Facebook uses MQTT instead of HTTP. Push is better than polling.
Through HTTP we need to poll the server continuously but via MQTT server pushes the message to clients.
Comparision between MQTT and HTTP: http://www.youtube.com/watch?v=-K...
JMS and AMQP - RabbitMQ
...API. For ex: Apache ActiveMQ can use any of the
following protocols: AMQP, MQTT, OpenWire, REST(HTTP), RSS and Atom,
Stomp, WSIF, WS Notification, XMPP. I suggest you read Using
JMS Transport as the Connection Protocol.
Good Luck :)
...
【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛，有思想、有深度
...包括：低功耗，使用纽扣电池就可以运行数月至数年。快连接，毫秒级的连接速度，传统蓝牙甚至长达数分钟。远距离，长达数百米的通信距离，而传统蓝牙通常10米左右。
蓝牙联盟沿用经典蓝牙的规范内容，为低功耗蓝牙定...
OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
...逻辑的实现，为了做到这些，网络框架帮助应用程序管理连接，管理输入输出缓冲区，处理具体的发包收包等细节和错误的处理，处理流控，并且允许应用层注入封包，解包，新建连接时处理，断开连接时处理，收到包后处理包...
App Inventor 2 低功耗蓝牙 BlueToothLE 拓展 · App Inventor 2 中文网
...
扫描
详细接入步骤：
开始扫描 -> 获取BLE设备列表 -> 连接指定设备（也可指定MAC地址连接）-> 设备指定服务uuid和特征uuid 发送 / 接收 数据。
广播
现在常规便宜芯片并无蓝牙协议栈，只能通过人工拼包用最简单的蓝牙广...