controller

[ ScrollController ] An object that can be used to control a scrollable widget.

itemExtent

[ double ] If non-null, forces the children to have the given extent in the scroll direction.

scroll Direction

[ Axis ] The axis along which the scroll view scrolls.

FlatList

ListView.builder

The constructor for a linear array of widgets that are created on demand.

itemBuilder [required]

[IndexedWidgetBuilder] helps in building the children on demand. This callback is called only with indices greater than or equal to zero and less than the itemCount.

itemCount

[ int ] improves the ability of the ListView to estimate the maximum scroll extent.

Image

Image

A widget that displays an image.

image [required]

The image to display.

Image. asset