INNER CODE UNIT · Dart

remainingBottomExtent

fluttercandies/flutter_scrollview_observer · lib/src/common/observer_controller.dart:1002

        remainingBottomExtent = maxScrollExtent - scrollOffset;
        needScrollExtent = childLayoutOffset +
            precedingScrollExtent +
            targetItemLeadingPadding -
            scrollOffset;
      }
    } else {
      final constraints = obj.constraints;
      final isVertical = constraints.axis == Axis.vertical;
      final trailingPadding = isVertical ? padding.bottom : padding.right;
      final viewportExtent = constraints.viewportMainAxisExtent;
      final geometry = obj.geometry;
      // The (estimated) total scrollable extent of this sliver.
      double scrollExtent = geometry?.scrollExtent ?? 0;
      scrollOffset = obj.constraints.scrollOffset;
      remainingBottomExtent = scrollExtent +
          precedingScrollExtent +
          trailingPadding -

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