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app 息屏后连接会断开,需要深入研究一下 - 用户反馈 - 清泛IT社区,为创新赋能!
如题,tcp,蓝牙,mqtt 等连接都会断开。
有办法避免吗?
重连策略有效解决吗?
UrsPahoMqttClient心跳问题解决——Paho底层已自动处理,设好KeepAlive就行...
...对 keepAliveSeconds 就行,不用自己实现。底层就是定时往 TCP 发两个字节:0xC0 0x00(PingReq),服务端回 0xD0 0x00(PingResp)。
一句话总结
UrsPahoMqttClient 的 Connect 块传 keepAliveSeconds=60,心跳 Paho 自动搞定,不需要自己写 PingReq 代...
ip地址用哪个扩展?AI助手为什么可以?直接导入IP地址的扩展,但在扩展文档...
...导入的扩展代码块都是英文。你是说 clientsocket 拓展吗?tcp 连接的。
我们自己做个加强版,是中文的。你导入的可能是原版,英文的。帮助菜单,拓展文档中也有。
如果是其他情况,请截图详细说明一下哦~
米思齐(Mixly) × App Inventor2 接入调研报告:技术路线、接入步骤与教程...
...掌控板 / Micro:bit → BluetoothLE 扩展 → 难度★★★
• WiFi(TCP/UDP):ESP32/ESP8266 → Web 组件或 WiFi 扩展 → 难度★★★
• WiFi(HTTP):ESP32 起本地 Web 服务器 → Web 组件 GET/POST → 难度★★
推荐主推 BLE(ESP32) 和 经典蓝牙(Arduino+HC-05) ...
What is the equivalent of Java's final in C#?
...l With strings being the only exception.
– Raimund Krämer
Dec 19 '18 at 15:26
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Git Remote: Error: fatal: protocol error: bad line length character: Unab
...t> /bin/true shouldn't output anything.
– Stefan Näwe
Nov 18 '11 at 7:34
9
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What does the “at” (@) symbol do in Python?
...the @= (in-place) operator, which is __imatmul__.
– Pål GD
Feb 25 '18 at 12:40
Are there any other overridable operat...
How exactly does the python any() function work?
... edited Jun 8 '16 at 8:33
Håken Lid
15.9k77 gold badges3535 silver badges5555 bronze badges
answered Jun 8 '16 at 7:29
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Copying files from host to Docker container
...ng aka has run before. Tar below works nice.
– Eino Mäkitalo
Apr 23 '15 at 6:34
1
The only way t...
Freeze the top row for an html table only (Fixed Table Header Scrolling) [duplicate]
... sticky; /* and other browsers */
– Jørgen Rudolph Låker
Mar 17 at 12:21
1
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