Blocks[size=15.008px] [size=15.008px][color=var(--tertiary)][color=var(--secondary)]blocks (2)[color=var(--secondary-high)]499×533 28.5 KB Documentation - component ~ component id ~ int (number) id ~ id you used for your registered component Use this event to set blocks of component cli...

同这篇帖子《什么是 Hex 编码方式？》：https://bbs.tsingfun.com/thread-2700-1-1.html 使用 ByteArray 拓展 的 ToHex 方法可以实现将无符号数字转换为其十六进制表示。

添加一个屏幕abc

不开启新对话的情况下。已修复

...法 ShowNumberPickerDialog显示数字选择器对话框(组件,是否锚定到组件,是否显示在组件上方) 当布尔值为真时，将数字选择器锚定到某个组件显示。可以选择显示在该组件的上方或下方。 SaveSelectedValue保存当前选...

...求 传感器连接 App Inventor 组件设置 设计器界面 组件列表 传感器端口配置 实现步骤 步骤1：设备连接 步骤2：传感器轮询 步...

... I also had this issue. Thanks! – José Margaça Lopes Apr 18 '18 at 10:05 add a comment  |  ...

... @JohnBarça: A simple case like this can easily be solved with CASE statements. However, this gets unwieldy very quickly with more attributes and / or other data types than just integers. As an aside: this form uses the aggregate fun...

... Ah, Finally.. :D – Ümañg ßürmån Feb 26 at 19:01 add a comment  |  ...

...property to illegal duplication/usage of your IP. – Lèse majesté Aug 24 '10 at 2:41 30 There ar...