How can i make e clickable once “a” is completed

[ABG]

You still haven't learned reuse.

Here are more project docs for you to study:

Button List

Move a scroll bar

Here's an example using your own Canvas as scroll bar. I used a Ball as a cursor, but you could as well have drawn a bar as a thumb instead. Gallery entry: ai2.appinventor.mit.edu/?galleryId=4965345777025024 [blocks] [buttons] [Capture] Color_code_scroller.aia (11.2 KB) [COLUMN] [Designer] [global color_table] [global colorlist] [global listOffset] [global table_text] [global textList] [loadButtonColors] [nudgeBall1] Uploading: when any Button Click.png... Uploading: when btnEnd Click.png... …

Go Scroll Yourself! blocks only (No extensions, No JavaScript)

This tutorial is intended for people who need to display a heavily customized scrollable window into a large table. It can also be used as a CardView. (I needed a pithy title, and "The Elder Scrolls" was taken.) My sample subject area for my data is the historical or current set of legislators in the US Congress, both Representatives and Senators, with photos (where available.) Credits for the source data: Data from GitHub - unitedstates/congress-legislators: Members of the United States C…

The common denominator among these samples is the reuse of components, loading their Attributes from moving windows in various tables.