Make a list of buttons in description of activity. Use a ListView.builder to create a button for each Entity. Probably two ListView.builders will be needed: one for Entities (to transform id to name) and the other one for the list of Entities in Activity.
Make a list of buttons in description of activity. Use a ListView.builder to create a button for each Entity. Probably two ListView.builders will be needed: one for Entities (to transform id to name) and the other one for the list of Entities in Activity.