Flutter-Dart Extension Methods Example For Navigator History Fix.

navigator-history-fix.dart

///Implement below code outside globally.

List<Route> _historyBlupNavigator=List();
extension NavigatorExtension on Navigator {

  @optionalTypeArgs
  static Future<T> pushBlup<T extends Object>(BuildContext context, Route<T> route) {
    print("pushCalled");
    _historyBlupNavigator.add(route);
    Navigator.of(context).push(route);
  }

  @optionalTypeArgs
  static Future<T> popBlup<T extends Object>(BuildContext context) {
    print("popCalled");
    _historyBlupNavigator.removeLast();
    Navigator.pop(context);
  }

  static List<Route> getHistoryList()=>_historyBlupNavigator;

  static List<String> getHistoryRouteNameList(){
    List<String> nameList=List();
    for(Route route in _historyBlupNavigator){
      nameList.add(route.settings.name);
    }
    return nameList;
  }

}

///Then use it like this,

/*--Push--*/
home_page.NavigatorExtension.pushBlup(context,
    MaterialPageRoute(builder: (context)=>
       MyWidget(),
    	 settings: RouteSettings(name: "/ClassName")
   )
);

/*--Pop--*/
home_page.NavigatorExtension.popBlup(context);

/*--Get History List--*/
NavigatorExtension.getHistoryList();

/*--Get History Name List--*/
NavigatorExtension.getHistoryRouteNameList()