unregister method

void unregister(
  1. FocusNode node
)

Implementation

void unregister(FocusNode node) {
  _focusOrder.remove(node);
  _positions.remove(node);
  if (_focusedNode == node) {
    _focusedNode = null;
    if (_focusOrder.isNotEmpty) {
      focus(_focusOrder.first);
    }
  }
}