unregisterFocusController method

void unregisterFocusController(
  1. FocusController focusController
)

Removes the provided focusController from the control.

Implementation

void unregisterFocusController(FocusController focusController) {
  if (_focusController != null && _focusController == focusController) {
    _focusController!.removeListener(_onFocusControllerChanged);
    _focusController = null;
  }
}