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AI伴侣现已正式升级为“AppInventor学院”App！ - App Inventor 2 中文网 -...
...个子系统账号尚未完美统一，这个后续不断迭代解决这些问题的。下一步的计划是申诉并一步步解决App的上架问题（由于腾讯平台的各种原因，有一定的障碍，但是我们会坚定推进并一步步解决遇到的问题）。
// 全新VI元素 ...
按钮闪烁，按钮文字消失的问题 - 用户反馈 - 清泛IT社区，为创新赋能！
用户反馈：打开，手机横屏/竖屏切换，按钮有时候会闪烁下，有时候会没有文字。
【iOS】苹果开发者账号购买及开通问题 - App应用开发 - 清泛IT社区，为创新赋能！
这个状态说明账号购买后尚未激活，需要最多等待 48 小时。
“Certificates, Identifiers & Profiles”（证书、标识符与描述文件）：
https://developer.apple.com/account/resources
也可能是账号没有注册完成：
成功开通的邮件通...
运行时会有runtime error，但是ai伴侣没有问题 - App Inventor 2 中文网 - ...
用户名：13313246460
UrsPahoMqttClient心跳问题解决——Paho底层已自动处理，设好KeepAlive就行...
问一下心跳PingReq报文怎么发的
目的为保持 MQTT 连接，否则会被踢下线。
用的是什么MQTT扩展？UrsPahoMqttClient。
结论：不需要手动发心跳，Paho底层已内置实现
UrsPahoMqttClient 封装的是 Eclipse Paho MQTT 客户端，心跳（PingReq）...
运动软件设计问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
本帖最后由 wwwwwwwwwwww 于 2026-07-03 10:55 编辑
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