PageMetrics constructor Null safety

PageMetrics(
  1. {required double? minScrollExtent,
  2. required double? maxScrollExtent,
  3. required double? pixels,
  4. required double? viewportDimension,
  5. required AxisDirection axisDirection,
  6. required double viewportFraction}
)

Creates an immutable snapshot of values associated with a PageView.

Implementation

PageMetrics({
  required super.minScrollExtent,
  required super.maxScrollExtent,
  required super.pixels,
  required super.viewportDimension,
  required super.axisDirection,
  required this.viewportFraction,
});