Events

on_tap

Fires when an item is tapped. Payload:

• index: zero based item index.
• item_key: the item key, or None.

on_change

Fires when the focal item changes after scrolling. Payload:

• index: zero based focal item index.
• item_key: the item key, or None.

It does not fire on scroll position. No per pixel updates are sent to Python.