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使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ect two-finger rotation gestures performed on a Canvas. The demo app here, called rotationSprite, is a simple demonstration of detecting rotation gestures. You can download the apk file of the demo app from here. The demo app simply illustrates how to use the RotationDetector component to rotate a...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ect two-finger rotation gestures performed on a Canvas. The demo app here, called rotationSprite, is a simple demonstration of detecting rotation gestures. You can download the apk file of the demo app from here. The demo app simply illustrates how to use the RotationDetector component to rotate a...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ect two-finger rotation gestures performed on a Canvas. The demo app here, called rotationSprite, is a simple demonstration of detecting rotation gestures. You can download the apk file of the demo app from here. The demo app simply illustrates how to use the RotationDetector component to rotate a...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ect two-finger rotation gestures performed on a Canvas. The demo app here, called rotationSprite, is a simple demonstration of detecting rotation gestures. You can download the apk file of the demo app from here. The demo app simply illustrates how to use the RotationDetector component to rotate a...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ect two-finger rotation gestures performed on a Canvas. The demo app here, called rotationSprite, is a simple demonstration of detecting rotation gestures. You can download the apk file of the demo app from here. The demo app simply illustrates how to use the RotationDetector component to rotate a...
App Inventor 2 源码商店
...度充满，屏幕底部对齐/li>li>代码块：添加按钮及图标，id从1开始，最后初始化即可/li>li ... 作者： ...
Google Sheets API Setup · App Inventor 2 中文网
...low-up question will appear below. Under the
question “Where will you be calling the API from?”, select Other UI. Finally,
under what data will you be accessing, select Application Data.
After entering the above information, click on the blue button labeled “What
credentials do I need?” T...
App Inventor 2 DynamicComponents 拓展：动态创建AI2组件对象 · App Inventor 2 中文网
...不将其保存到已创建的组件列表中，因此它不会关联到 ID。请注意，你无法直接在 Screen 中创建组件，你需要事先在 Screen 中设置布局才能执行此操作。
将已创建组件的 ID...
使用模拟器构建应用程序 · App Inventor 2 中文网
...’t shake it, for example, and the emulator can’t make or recieve phone calls — but you can use the emulator to create apps and test them, and install them on a phone later if you like.
Starting the Emulator
You don’t need to download any additional software to use the emulator. It was incl...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网
...牙App
蓝牙App开发示例
蓝牙App控制硬件
UUID分为标准UUID和厂商自定义UUID
BLE专业文档
最后做个推广
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低功耗蓝牙(BLE)以低功耗、低成本、开发简便逐渐被广泛应用，本文主要介绍一款较...