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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...
BLE数据收发 20个字节的限制问题 - 创客硬件开发 - 清泛IT社区,为创新赋能!
请问BLE插件只支持20个字节的数据接收与发送吗,我尝试超过20个字节就会自动忽略掉后面的字节RequestMTU – 为 BluetoothLE 连接请求新的最大传输单元 (MTU)。此功能仅在两个设备都支持蓝牙 4.2 或更高版本时才受支持。如果 MTU 更改...
【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...
How to define a preprocessor symbol in Xcode
...
As an addendum, if you are using this technique to define strings in your target, this is how I had to define and use them:
In Build Settings -> Preprocessor Macros, and yes backslashes are critical in the definition:
APPURL_NSString=\@\"www.foobar.org\"
And in the source cod...
How to find list of possible words from a letter matrix [Boggle Solver]
... placed importance on being able to know the exact path of every extracted string, not just the validity therein.
I also have a few adaptions in there that would theoretically permit a grid with holes in it to function, and grids with different sized lines ( assuming you get the input right and it...
PHP best way to MD5 multi-dimensional array?
...one performs faster than serialize, and (2) json_encode produces a smaller string and therefore less for md5 to handle.
Edit: Here is evidence to support this claim:
<?php //this is the array I'm using -- it's multidimensional.
$array = unserialize('a:6:{i:0;a:0:{}i:1;a:3:{i:0;a:0:{}i:1;a:0:{}i...
Meaning of 'const' last in a function declaration of a class?
...t method on a const object. Consider if your foobar type had the following extra method declaration:
class foobar {
...
const char* bar();
}
The method bar() is non-const and can only be accessed from non-const values.
void func1(const foobar& fb1, foobar& fb2) {
const char* v1 = f...
