大约有 1,708 项符合查询结果(耗时:0.0070秒) [XML]

https://bbs.tsingfun.com/thread-2674-1-1.html 

AppInventor如何扫二维码?扫码结果如何与Web进行交互? - App Inventor 2 ...

...怎么实现? [hide]A:使用“条码扫描器”组件:https://www.fun123.cn/reference/ ... html#BarcodeScanner       属性“使用外部扫描”设置为假,其他没有啥要注意的。就调用一下扫描方法,就能使用摄像头扫二维码。 Q:扫...
https://bbs.tsingfun.com/thread-2791-1-1.html 

QRCodeGenerator 拓展使用后,apk编译失败 - 用户反馈 - 清泛IT社区,为创新赋能!

...zxing库,解决apk编译问题。 拓展开发中。。 https://www.fun123.cn/reference/ ... RCodeGenerator.html 原版来自: https://community.appinventor.mi ... -extension/47908/34 自研版已上线,编译apk正常:https://www.fun123.cn/reference/extensions/QRCodeGenerator.html
https://bbs.tsingfun.com/thread-2912-1-1.html 

ImagePicker 图像选择器如何一次选择多张图片? - App Inventor 2 中文网 -...

https://www.fun123.cn/reference/components/media.html#ImagePicker 根据文档最新版本,是可以选多张图片的,但是实际测试下来,一次只能选一张,可能跟安卓版本及手机有关,可能有的手机可以选择多张,纯猜测未验证。英文社区也有相关...
https://bbs.tsingfun.com/thread-2973-1-1.html 

App Inventor接入Supabase:开源免费的后端新选择 - App Inventor 2 拓展 -...

...通知App文件存储云端文件上传下载管理云函数服务端Edge Functions 环境搭建:快速上手 1. 注册Supabase账号 访问 supabase.com 注册账号。免费计划支持2个并行项目,每个项目包含500MB数据库空间和5GB带宽。 2. 创建项目 在Supaba...
https://bbs.tsingfun.com/thread-2980-1-1.html 

5分钟了解 App Inventor 2:不会写代码,也能做出自己的 App - App应用开发...

...过5分钟。 中文资源在哪? App Inventor 2 中文网(www.fun123.cn)提供了: 1. 完整的中文文档:所有组件和积木块都有中文说明 2. 离线版:断网也能用,适合学校机房和培训班 3. 扩展组件:MQTT、Supabase、自定义通知等进阶组...
https://bbs.tsingfun.com/thread-2985-1-1.html 

App Inventor 2 鸿蒙先行版:AppInventor 从此支持全平台,不再安卓专属 - ...

大家好,这里是 App Inventor 2 中文网(fun123.cn)。 今天想和大家聊一个很多人关心、但我们一直比较谨慎的话题——App Inventor 2 的鸿蒙(HarmonyOS NEXT)版本。 ———————————————— 先说结论 鸿蒙先行版已...
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Vertical (rotated) label in Android

...vate var padTop = 0 private var layout1: Layout? = null override fun setText(text: CharSequence, type: BufferType) { super.setText(text, type) layout1 = null } private fun makeLayout(): Layout { if (layout1 == null) { metrics.width = height ...
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std::function and std::bind: what are they, and when should they be used?

I know what functors are and when to use them with std algorithms, but I haven't understood what Stroustrup says about them in the C++11 FAQ . ...
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Why is it wrong to use std::auto_ptr with standard containers?

...se of move semantics (its specification requires rvalue references), so it fundamentally requires C++11. However (and related) the C++11 Standard no longer says that an STL element type must be "copy-constructible" and "assignable"; being move-constructible and move-assignable suffices. Indeed uniqu...
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How to POST raw whole JSON in the body of a Retrofit request?

...nvertion in the rest of your application code: interface ServiceApi { fun login(username: String, password: String) = jsonLogin(createJsonRequestBody( "username" to username, "password" to password)) @POST("/api/login") fun jsonLogin(@Body params: RequestBod...