How to obtain the name of a button dynamically?

[ABG]

To associate a list of buttons with a list of images or URLs,
you need to set up a list of the button components, and a lookup table
that can take a button component and return the matching data (URL, sound, etc) .

Here is a sample app or two ...

Button Calendar

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... …