...本字符怎么不能比较，也不能转换数字类型？你好，App Inventor 2 是弱语言类型，文本和数字之间不用刻意去转换，之间赋值就可以了：https://www.fun123.cn/reference/blocks/text.html#text2num 再次经过测试，你上面的步骤都能正常测试通...

...置为椭圆，ai 伴侣 还是 apk 运行 仍然是长方形吗？App Inventor 2  发表于 2024-07-23 17:31 请附上问题截图。是比如你把按钮设置为椭圆，ai 伴侣   还是  apk 运行  仍然是长方形吗？ ... 把按钮形状设置...

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设为 false；发送16制消息时，hexaStringMode设为 tru...

...，如果遇到具体的问题，请再继续跟帖提问，谢谢。App Inventor 2  发表于 2024-09-24 16:15 ble 设备连接，发送数据到硬件请参考：https://bbs.tsingfun.com/thread-1844-1-1.html 读取ble数据并显示 ... 请问一下 我这边可以显示数据 &nb...

...ve contains the source code, the compiled binary for uploading to the App Inventor and a sample application. Usage Pixel vs. DIP App Inventor 2 uses the unit of pixels to define the width and height of elements. However, this does not mean a (hardware) pixel on the display, but a DIP (Device Inde...

...following extensions Phase • Animations made easy! by @Shreyash App Inventor Extensions: Clipboard Manager | Pura Vida Apps Clipboard Extension extension by @Taifun Country_Code_Picker_Extension By @Deep_Host SmartAppRate extension By @Deep_Host I didn,t find @Deephost’s account so i m gi...

...支持蓝牙5.0（低功耗BLE），它需要配对码进行配对，App Inventor 2 中使用“蓝牙客户端”组件，而非BLE拓展，必须在手机设置中配对成功才能出现在蓝牙列表中。 注意： 它的波特率是：38400，而非默认的9600。 上电之前按下...

...红花 20,另外我还额外获得了 小红花 9我今天最想说:「App Inventor 2 社区即将重新上线，添加了现代化的移动社区」.

...m however does have the advantage of having on board Guido van Rossum, the inventor of Python and an amazingly strong engineer. In terms of flexibility, the Java engine, as already mentioned, does offer the possibility of running JVM bytecode made by different languages, not just Java -- if you're ...

...将文件内容读出来，然后调用 ble 的写方法。感谢老师App Inventor 2  发表于 2024-03-31 16:53 传文件，需要先用“文件管理器”组件，将文件内容读出来，然后调用 ble 的写方法。 ... 感谢老师