unregister method

void unregister(
  1. int index
)

Implementation

void unregister(int index) {
  _cancelController();
  _highlights.remove(this);
  // the caller in initState() or dispose() is not in the order of first dispose and init
  // so we can't assert there isn't a existing key
  // assert(widget.controller.tagMap.keys.contains(index));
  if (widget.controller.tagMap[index] == this)
    widget.controller.tagMap.remove(index);
}