overscrollYAuto method

ScrollBuilder overscrollYAuto()

overscroll-y-auto -> Y轴允许过度滚动

Implementation

ScrollBuilder overscrollYAuto() {
  // 对于 Y 轴，我们保持默认的 BouncingScrollPhysics
  if (_physics == null) {
    _physics = const BouncingScrollPhysics();
  }
  return this;
}