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TaifunFlashlight 手电筒/闪光灯拓展 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
一个用于打开/关闭手电筒的扩展插件，所需要的权限：
android.permission.CAMERA（注：拍摄照片和视频）
android.permission.FLASHLIGHT（注：控制手电筒）
要至少11级的API（即Android 3.0.0以上）
属性
返回设备是否有闪光灯
过程
...
AppInventor2拍照的照片Base64编码报错，选择的图片没有问题 - App应用开发...
... fis为空
然后后用用null.compress 报错了
我用FileTool那个插件 现把文件拷贝出来 然后再调用 就可以了。
具体实现步骤是什么那个文件工具peien 发表于 2024-09-18 02:28
具体实现步骤是什么那个文件工具
FileTools 拓展：https://www...
【待研究】web客户端组件能不能获取post服务器返回的响应头数据？ - App应...
...类型和响应内容选项。
如果不能，有可以获取响应头的插件推荐没？
感谢。
问题来源：QQ群。原生组件上面的方法肯定是没办法获取响应头数据了，有没有拓展待研究。经验证，保存响应到文件，也不包含响应头信息（只...
MakeViewUp 扩展：美化和自定义 Android 视图，可实现组件任意角度旋转 - A...
...de]来源：https://community.appinventor.mi ... droid-views/27185/1[/hide]插件不错谢谢分享铣削
CustomWebView拓展：WebViewer的扩展版本，具有更高的自定义性和灵活性 - A...
.../将您的应用添加到浏览器列表中
使用内置 DownloadHelper 插件下载文件
滚动更改事件和函数以滚动到特定位置
动态创建和删除 WebView
广告拦截器
全屏视频功能（OnShowCustomView 和 OnHideCustomView）
暂停和恢复 WebView
获取内部历史...
Best way to store password in database [closed]
I am working on a project that has to have authentication (username and password)
8 Answers
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Image fingerprint to compare similarity of many images
...produce a normative mapping of the image data - store this with each image and then compare just the fingerprints. This is a complex algorithm and not for the faint of heart.
a few simple solutions are possible:
Create a luminosity histogram for the image as a fingerprint
Create scaled down versi...
What is a good Hash Function?
What is a good Hash function? I saw a lot of hash function and applications in my data structures courses in college, but I mostly got that it's pretty hard to make a good hash function. As a rule of thumb to avoid collisions my professor said that:
...
PHP random string generator
I'm trying to create a randomized string in PHP, and I get absolutely no output with this:
59 Answers
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Encrypt Password in Configuration Files? [closed]
I have a program that reads server information from a configuration file and would like to encrypt the password in that configuration that can be read by my program and decrypted.
...