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 => null;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.
@override
double? get itemExtent => null;