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界面高级组件 · App Inventor 2 中文网
...：引导好评
when 按钮_好评.Click() {
应用工具1.OpenAppMarket("")
}
包名留空表示本应用。应用要先在应用市场上架，详情页才打得开。
打开微信，没装就提示
when 按钮_微信.Click() {
if 应用工具1.IsAppIns...
ByteArray 实验 - 拼一个二进制协议帧，再把它拆开 · App Inventor 2 中文网
...们要拼的帧格式
四、分步搭代码块
第 1 步：拼出这一帧
第 2 步：把它拆回来
第 3 步：校验和对不对
第 4 步：加一段文本
五、排错表
六、下一步
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