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App Inventor 2 模拟sleep函数 · App Inventor 2 中文网
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App Inventor 2 模拟sleep函数
App Inventor 2 模拟sleep函数
需要用到计时器组件：
实现代码如下：
测试方法如下：
代码快速导入技巧
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App Inventor 2 中文网原创内容 · App Inventor 2 中文网
...何去掉顶部标题栏实现全屏？
【技巧】App Inventor 2 模拟sleep函数
【技巧】App Inventor 2 过滤蓝牙设备列表
【代码简洁之道】App Inventor 2 任何(Any)代码块
【技巧】代码块导出图像，以及还原
【技巧】块拓展：参数可变
【...
AI2 Media Notification
...Portal: Keeping your Android application running when the device wants to sleep. Most Android installations recognize when a media player is active and do not switch the device off. If it does, the ForegroundService property can be used to specify that a foreground service is started when the not...
乐高机器人®组件 · App Inventor 2 中文网
... of a motor on the robot.
KeepAlive()
Keep Alive. Returns the current sleep time limit in milliseconds.
ListFiles(wildcard)
Returns a list containing the names of matching files found on the robot.
LsGetStatus(sensorPortLetter)
Returns the count of available bytes to read.
LsRead(s...
App Inventor Tutorials and Examples: Dynamic Table Layout | Pura Vida Apps
...in the App Inventor Forum, how to display a table in App Inventor without knowing how many rows will be supplied. And let me add to this requirement, without knowing how many columns will be supplied! Thank you Craig! Your JavaScript example helped me to set up this solution. ...
创建自定义 TinyWebDB 服务 · App Inventor 2 中文网
...and click Create Application to submit. If your Identifier was unique, you now have a new, empty app on Google’s servers.
Open a text editor on your local computer and open the file app.yaml within the customtinywebdb folder you unzipped. Modify the first line so that the application matches...
使用位置传感器 · App Inventor 2 中文网
...any received text by sending back a text that says, “I’m driving right now, I’ll get back to you later. My location is …” with the current location filled in.
Write a “breadcrumb” app that tracks your (phone’s) whereabouts by recording each location change. One interesting refineme...
FAQ Section: SMS - Frequently Asked Questions - MIT App Inventor Community
...ble"),t()},t=()=>{clearInterval(s),s=null}
s=setInterval((()=>{a&&t(),Date.now()>e&&r()}),50),document.addEventListener("discourse-ready",(()=>{a=!0,splashWrapper&&splashWrapper.remove(),performance.mark("discourse-splash-removed")}),{once:!0})}
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使用 XML 和 Web 服务 · App Inventor 2 中文网
...pair just as in the last example above, except that the list of pairs will now include an additional pair (content, (happy sad)) where the second item in the additional pair is the list of strings “happy” and “sad”.
It is also possible that the XML contains elements with attributes, for exa...
App Inventor 2 控制代码块 · App Inventor 2 中文网
...关闭屏幕并返回值
退出程序
跳出循环
如果 & 则（if & else if）
从范围循环(for each number from to)
从列表循环（for each item in list）
从字典循环(for each key with value in dictionary)
循环(while)
如果 & 则 & 否则（if then else）
执...