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[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...
...u did not yet submit (a temporal anomaly)
Here is the doc page:
http://iot.appinventor.mit.edu/#/bluetoothle/bluetoothleintro
Here is the doc for the event:
MTUChanged – The MTUChanged event is run when the two BluetoothLE devices have successfully changed their maximum transmission unit (MTU) ...
App Inventor 2 天气预报App开发 - 第三方API接入的通用方法 · App Inventor 2 中文网
...，通过Web客户端请求url。返回json格式的数据结果，使用AppInventor2解析json结果，显示到App上即可。
第三方天气API介绍
第三方天气的api平台特别多，这里仅以“和风天气”（dev.qweather.com）作为演示，其他平台的使用方法都是几...
AI2 Media Notification
...simply MediaNotification.png File, relative path / /data/user/0/appinventor.ai_bienonline.UrsMediaNotificationAI2/MediaNotification.png File, absolute path file:/// file:///Android/data/appinventor.ai_bienonline.UrsMediaNotificationAI2/MediaNotification.png When specifying ...
App Inventor 2 扩展 · App Inventor 2 中文网
...: MIT App Inventor Extension
source code for sample extensions at: http://appinventor.mit.edu/extensions
Appinventor help: https://community.appinventor.mit.edu/
Note: App Inventor extensions are supported only on Android devices running API Level 8 (Android system 2.2 Froyo) and above. This ap...
eclipse升级后启动失败：Heap堆内存不足 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...改 -Xmx521m 为 -Xmx3g
本来打算从Eclipse（2020-06）更新一下（2021-03），没想到升级成后Eclipse启动不了，错误日志如下：
!SESSION 2021-06-16 17:03:13.186 -----------------------------------------------
eclipse.buildId=4.19.0.I20210303-1800
java.version=11.0.6
ja...
Using PHP with Socket.io
...the first repository like this.
use PHPSocketIO\SocketIO;
// listen port 2021 for socket.io client
$io = new SocketIO(2021);
$io->on('connection', function($socket)use($io){
$socket->on('chat message', function($msg)use($io){
$io->emit('chat message', $msg);
});
});
...
What is the difference between Reader and InputStream?
..., 128, 161 and 97 where a -> U+0061 -> 0x61 -> 97 and ‡ -> U+2021 -> 0xE280A1 (utf-8 encoding of 0x2021) -> 226 128 161.
A Reader lets you read the contents character by character so the contents "a‡a" are read as 3 characters 97, 8225 and 97 where a -> U+0061 -> 0x61 -&...
Inline SVG in CSS
...%20height%3D%27512%27%3E%0A%20%20%3Cpath%20d%3D%27M257.063%200C127.136%200%2021.808%20105.33%2021.808%20235.266c0%2041.012%2010.535%2079.541%2028.973%20113.104L3.825%20464.586c345%2012.797%2041.813%2012.797%2015.467%200%2029.872-4.721%2041.813-12.797v158.184z%27%20fill%3D%27#{$color-rgb}%27%2F%3E%3C...
【解决】Component "com.google.appinventor.components.runtime.Butt...
...报错信息如下：
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.ActivityStarter" does not specify permissionConstraints
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.Button" does not specify permissionConstrai...
为AppInventor2开发拓展(Extension) · App Inventor 2 中文网
... 搜索 为AppInventor2开发拓展(Extension)
为什么需要开发拓展？
环境配置
源码下载
代码编写
拓展编译
拓展导入，测试验证
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