resolveUiEdgeAwareBottomOffset function

double resolveUiEdgeAwareBottomOffset(BuildContext context, { required double minimum, bool reduceSafeArea = true, })

Resolves a bottom offset for floating components that intentionally sit near the physical screen edge.

On devices with a home indicator or rounded physical bottom edge, the safe area bottom inset is usually larger than the visually useful gap. This helper infers a conservative device-edge radius from MediaQueryData.viewPadding and lets components sit closer to that edge while preserving a caller-defined minimum.

Implementation

double resolveUiEdgeAwareBottomOffset(
  BuildContext context, {
  required double minimum,
  bool reduceSafeArea = true,
}) {
  final bottomInset = MediaQuery.maybePaddingOf(context)?.bottom ?? 0;
  final viewBottomInset = MediaQuery.maybeViewPaddingOf(context)?.bottom ?? 0;
  if (!reduceSafeArea) {
    return math.max(minimum, math.max(bottomInset, viewBottomInset));
  }
  if (bottomInset <= 0 || viewBottomInset <= 0) return minimum;

  final inferredRadius = viewBottomInset.clamp(14.0, 28.0);
  return math.max(minimum, bottomInset - inferredRadius);
}