首先用户使用的是水平布局，内容展示不下时无法上下滚动。这里一定要使用 垂直滚动布局，就可以手动滑动查看全部内容了！ 回答时，目前还没有做到自动向下滚动，这个下个版本计划安排上，敬请期待。

用户名：13313246460

CircularlmageBar cannot accept the arguments: , [com.google.appinventor .components.runtime .Image@f3f6c0d], I''],.... 原因：温度数据为空导致的，加一个非空判断即可解决问题。

安卓(Android) 鸿蒙(HarmonyOS) 苹果(iOS) 待完善。

可以的。screen1 属性可以设置： 更多参考：https://www.fun123.cn/reference/creative/fullscreen.html

需要拼接 json 文本通过 mqtt 发送，原理是利用字典的特性，它天生就是 json 的一种表现，打印出来就是 json 格式文本，拼接方式如下： 使用 创建字典 代码块，默认只有 2 个插槽，表面上看起来只能放 2 组数据，但是它是...

My app has a certain piece of functionality that will only work on a device where root is available. Rather than having this feature fail when it is used (and then show an appropriate error message to the user), I'd prefer an ability to silently check if root is available first, and if not,hide the ...

...oads the current page, and the one to the left and right. If you put your app into the background, the fragments that have been added to the fragment manager are saved automatically. Even if your app is killed, this information is restored when you relaunch your app. Now consider that you have vie...

...lled everything and created an AVD for the android version, and everything appears correct, but when I run it, I get this output: ...

I am developing a Rails 4 app using the Active Admin gem for the administration back end. Active Admin in turn uses Devise for user authentication. Now, when I try to deploy the app using capistrano on the VPS server, I get the below error: ...