keepScrollOffsetListener method

void keepScrollOffsetListener()

The listener to track the scroll position of the gridScrollController if keepScrollOffset is true. 当 keepScrollOffset 为 true 时，跟踪 gridScrollController 位置的监听。

Implementation

void keepScrollOffsetListener() {
  if (gridScrollController.hasClients) {
    Constants.scrollPosition = gridScrollController.position;
  }
}