What is itemCount flutter?

Create Dynamic ListView using ListView. builder() And you would not know the number of elements in the list beforehand. In such scenarios, you can use ListView. builder() constructor of ListView class to create a dynamic list of widgets in ListView widget.

int itemCount. The number of items in the list . It must be a non-negative integer. When zero, nothing is displayed and the widget occupies no space.

Convert the data source into a list of widgets.

Dart/Flutter initialize List with values