Extension Builder

Hello everyone ,
can anyone tell me how can we make code editor like appybuilder code editor because many user have facing problem with installing AppInventor source code.
thanks in advance

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Why not just use CodeEditor then?

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It has some limitations like we not use external library for this so I am thinking to make new code editor


let me introduce this aix compiler, it’s easy to use.

The appybuilder code editor is in the moment shut down and I cant read the signs on Gitee.com to use the AIX-Compiler.
I have a lot "facing problem with installing AppInventor source code, phyton, Ant, GitHub......"

Is there a similar easy to use project available as Appybuilder's code editor ?

Its not that hard and will hardly take 1 Hour
And By the way nowadays there are many online tutorials that how to do it

It is not so easy, now I try 1 Hour to set the the java environment variables on Windows
like here: https://www.youtube.com/watch?v=yrRmLOcB9fg

But still not work, If I write: java -version
I get the message:

Error occurred during initialization of VM java/lang/NoClassDefFoundError: java/lang/Object

Does anyone know the reason for this ?

1 Like

:flushed:
Something is wrong in your java installation
The Object Class file is missing

If it doesn't work, look at this post:


I used this tutorial to set my stuff up. If it still doesn't work, send me a private message.

What do you get if you echo %JAVA_HOME%?

Thanks for the support, java works now :slight_smile: and I have not changed anything, the laptop was only in standby mode, next I want to install Ant and set the variables
I want use this tutorial:

Great! Ant is just as easy to configure.