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https://bbs.tsingfun.com/thread-1478-1-1.html 

AppInventor做的APP支持安卓14吗? - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

目前MIT最新版本也是Android13,我们与mit同步更新。如果官方支持14我们会第一时间跟进。 不过,根据用户反馈,蓝牙相关的好像不兼容~ 有关安卓 14 的补充:根据反馈,安卓14支持蓝牙功能,不过需要手动开启相关权限
https://www.tsingfun.com/it/ai2/2696.html 

AppInventor2 二进制文件的读写 - App Inventor 2 中文网 - 清泛网 - 专注C/C++及内核技术

AppInventor2 二进制文件的读写蓝牙客户端或 ble 都可以接收二进制数组,返回的数据是列表:如果想要保存二进制到文件,可以考虑转换成 ascii 或 base64 化,然后通过文件管理器保存为文件,具体请帮助,...蓝牙客户端或 ble 都可...
https://www.tsingfun.com/it/ai2/2705.html 

AppInventor2如何通过socket给网络发16进制的数据? - App Inventor 2 中文...

...方法,可以赐教吗?软件只能发ASCLL码?没办法收发HEX,蓝牙组件的有写字节功能,TCP网络组件没有。答:发送文本消息时,hexaStringMode 问:app inventor的给网络发16进制指令的方法,可以赐教吗?软件只能发ASCLL码?没办法收发H...
https://bbs.tsingfun.com/thread-2104-1-1.html 

Need android.permission.BLUETOOTH_SCAN permission for android.content....

...旧版本的BluetoothLE拓展导致的问题,临时解决是弄一个“蓝牙客户端”组件,请求蓝牙扫描权限就能临时绕过。 当然,使用最新版本的拓展,应该就没有问题了。最新的拓展已经支持安卓14:https://www.fun123.cn/reference/iot/blue...
https://bbs.tsingfun.com/thread-3120-1-1.html 

App如何处理硬件上报的高频数据? - 创客硬件开发 - 清泛IT社区,为创新赋能!

用户提问: 手机APP端订阅并接受下位机蓝牙模块上传的指令或数据,有时候可能会拥堵,就是在同一个时间节点连续收到很多条下面发来的消息或数据, 例如下位机会随机报错上传各个模块的硬件故障信息,很可能会同一时...
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Why is @font-face throwing a 404 error on woff files?

... site and it works/looks great. Except Firefox and Chrome will throw a 404 error on the .woff file. IE does not throw the error. I have the fonts located at the root but I've tried with the fonts in the css folder and even giving the entire url for the font. If remove those fonts from my css file ...
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(this == null) in C#!

...ng correctly according to the spec (even in Beta 1, this is a compile time error): § 7.5.7 This access A this-access consists of the reserved word this. this-access: this A this-access is permitted only in the block of an instance constructor, an instance method, or an instance...
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ViewDidAppear is not called when opening app from background

...13-04-07 09:31:06.505 myapp[15459:11303] view did load 2013-04-07 09:31:06.507 myapp[15459:11303] view will appear 2013-04-07 09:31:06.511 myapp[15459:11303] app did become active 2013-04-07 09:31:06.512 myapp[15459:11303] did become active notification 2013-04-07 09:31:06.517 myapp[15459:11303] vie...
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Converting a column within pandas dataframe from int to string

...n eg to return empty string rather than 'Nan' – seanv507 Jan 4 '19 at 20:54 1 (I wasn't disagreei...
https://www.tsingfun.com/it/tech/2488.html 

【解决】如何查看 xunsearch 版本,验证是否升级成功? - 更多技术 - 清泛...

...时间也不能确定。这时我们只能借助 xunsearch 程序的帮助提示来查看程序的内部版本号了,操作如下: cd /usr/local/xunsearch/bin ./xs-indexd -h 参考结果如下: xs-indexd (xunsearch/1.4.15) - Index Submit Server Copyright (C)2007-2011 hightman, H...