Expand description
How overscroll displacement/pull is visualized, independent of the
ScrollPhysics that computes it — a clamping
physics rejecting 100% of a boundary proposal still has an edge_pull to
paint an effect from (see the module docs’s design ruling), and a
bouncing physics letting the position itself move past the edge can be
paired with any of these the same way.
OverscrollEffect::Stretch’s intensity curve is an affine approximation
of Android 12’s overscroll shader — the same class Flutter’s non-Impeller
StretchingOverscrollIndicator implements — but the curve’s constants live
with the paint-time application that reads them, not here; this type is
only the selector.
Enums§
- Overscroll
Effect - How overscroll displacement/pull is VISUALIZED — orthogonal to physics.