unregister method

void unregister(
  1. String widgetId
)

This method is useful to unregister a SearchController by id.

It is a good practice to unregister (remove) an unmounted/unused widget to avoid any side-effects.

Implementation

void unregister(String widgetId) {
  if (widgetId != '') {
    this._searchWidgets.remove(widgetId);
  }
}