El problema esta en esta parte del codigo los elentos que selecciono en los desplegables no aparecen en el listado de abajo
The problem is in this part of the code, the elements that I select in the drop-down menus do not appear in the list below.
El problema esta en esta parte del codigo los elentos que selecciono en los desplegables no aparecen en el listado de abajo
What is that list below? The global variable list? You do not display the list anywhere... for example
Set Label1.Text to get global list
Also there are several errors in your blocks
You are overwriting gloval varoable Art several times... also global p looks strange. .
A very good way to learn App Inventor is to read the free Inventor's Manual here in the AI2 free online eBook App Inventor 2 Book: Create Your Own Android Apps ... the links are at the bottom of the Web page. The book 'teaches' users how to program with AI2 blocks.
There is a free programming course here Course In A Box and the aia files for the projects in the book are here: App Inventor 2 Book: Create Your Own Android Apps
How to do a lot of basic things with App Inventor are described here: How do you...? .
Also do the tutorials Our Tutorials! to learn the basics of App Inventor, then try something and follow the Top 5 Tips: How to learn App Inventor
Taifun
Trying to push the limits! Snippets, Tutorials and Extensions from Pura Vida Apps by 
Taifun.
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