chrisjenx

           //Post it in a handler to make sure it gets called if coming back from a lifecycle method.
           new Handler().post(new Runnable() {

                @Override
                public void run()
                {
                    Intent intent = getActivity().getIntent();
                    intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK
                            | Intent.FLAG_ACTIVITY_NO_ANIMATION);
                    getActivity().overridePendingTransition(0, 0);

Klerith

import 'package:shared_preferences/shared_preferences.dart';

/*
  Recordar instalar el paquete de:
    shared_preferences:

  Inicializar en el main
    final prefs = new PreferenciasUsuario();
    await prefs.initPrefs();