scrollUp method

dynamic scrollUp()

Implementation

scrollUp() {
  if (filteredPosition.isNotEmpty) {
    var visiblePos = findTopFirstVisibleItemPosition();
    mirrorFlyLog("visiblePos", visiblePos.toString());
    mirrorFlyLog(
        "visiblePos2", findBottomLastVisibleItemPosition().toString());
    var g = getNextPosition(findTopFirstVisibleItemPosition(),
        findBottomLastVisibleItemPosition(), j);
    if (g != null) j = g;
    mirrorFlyLog("scrollUp", g.toString());
    if (j >= 0 && g != null) {
      _scrollToPosition(j);
    } else {
      toToast(AppConstants.noResultsFound);
    }
  } else {
    toToast(AppConstants.noResultsFound);
  }
}