previousPage method

void previousPage({
  1. Duration? duration,
  2. Curve? curve,
})

Implementation

void previousPage({
  Duration? duration,
  Curve? curve,
}) {
  if (itemsLength < 1) return;
  animationDuration = duration;
  animationCurve = curve;
  currentPage--;
  if (currentPage < 0) {
    currentPage = itemsLength - 1;
  }
  notifyListeners();
}