How do I convert a YailList to String and replace double quotes with single quotes?

[vknow360]

@TIMAI2

they must come from java code ?

I don't think so.

Convert Procedure(s) into an Extension

In theory, yes you could do this, it would just be complicated. As already mentioned, the blocks are converted to a language called YAIL, which is Scheme with some additional macros. Given the YAIL for a particular procedure, you could compile it with the Kawa library to produce a class file. From there, you could invoke the procedure from your extension.

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@TIMAI2

these blocks do it:

Print the result on a lable.If it shows 'string' then it means it is actually "'string'". Java/Android does not show " for a string.