popView method
void
popView([
Implementation
void popView([NavigationContext? navigationContext]) {
_poppedNavigationContext = navigationContext;
/* We only call the default pop from the navigator because the popView operation can also be triggered by the back
button of the navigation bar and the systems's back function. The full popView behavior can be found in the
_historyObserver. */
_thisNavigatorKey.currentState!.pop();
if (_history.isNotEmpty) {
/* It has already popped at this time */
setNavigationContext(navigationContext);
_poppedNavigationContext = null;
}
}