itemExtent property
override
The main-axis extent of each item.
If this is non-null, the itemExtentBuilder must be null. If this is null, the itemExtentBuilder must be non-null.
Implementation
@override
double get itemExtent => _itemExtent;
Implementation
set itemExtent(double value) {
if (_itemExtent == value) {
return;
}
_itemExtent = value;
markNeedsLayout();
}