onScrolling method

void onScrolling({
  1. required bool onMounted(),
  2. required void callback(
    1. bool isScrolling,
    2. double offset
    ),
})

listen scroll

Implementation

void onScrolling({
  required bool Function() onMounted,
  required void Function(bool isScrolling, double offset) callback,
}) {
  scroll_controller.onScrolling((isScrolling) {
    bool is_mounted = onMounted();
    if (is_mounted && is_activate) {
      valueNotifierIsScrolling.value = isScrolling;
      callback(isScrolling, scroll_controller.offset);
    }
  });
}