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使用Activity启动器组件 · App Inventor 2 中文网
...程序返回结果以用于进一步处理。 此外，使用Android SDK的高级开发人员可以创建可以启动App Inventor应用程序的原始应用程序，并由它们启动。
ActivityStarter 组件文档的链接提供了有关 Activity Starter 组件属性、事件和方法的附加信...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 - App Invent...
...线如下：电脑端的串口工具软件非常之多，查看原文链接下载。请注意：使用串口工具软件之前，一般需要安装硬件厂商提供的驱动程序。
电脑端打开串口：
UART上指示灯会开启，说明串口已打开：
测试与BLE硬件通信（数据...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
... 默认sqlite3
优化库导入导出方法
.aix 拓展下载：
cn.fun123.SQLite.aix - v1.3
中文网测试案例
.aia 测试源码下载：
TestSqlite.aia
打开数据库
一般可以在屏幕初始化时打开db。如果...
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