measureItems abstract method
Future<_Measure>
measureItems(
- _Cancelled? cancelled,
- int count,
- IndexedWidgetBuilder builder,
- double startingSize,
- int startingCount,
Returns the sum of the sizes of a bunch of items, built using the specified builder.
Implementation
Future<_Measure> measureItems(_Cancelled? cancelled, int count,
IndexedWidgetBuilder builder, double startingSize, int startingCount);