docs: public static void navigateUp(Activity activity, Bundle extras) {
          Intent upIntent = NavUtils.getParentActivityIntent(activity);
          if (upIntent != null) {
              if (extras != null) {
                  upIntent.putExtras(extras);
              }
              if (NavUtils.shouldUpRecreateTask(activity, upIntent)) {
                  // This activity is NOT part of this app's task, so create a new task
                  // when navigating up, with a synthesized back stack.
                  TaskStackBuilder.create(activity)
                          // Add all of this activity's parents to the back stack.
                          .addNextIntentWithParentStack(upIntent)
                                  // Navigate up to the closest parent.
                          .startActivities();
              } else {
                  // This activity is part of this app's task, so simply
                  // navigate up to the logical parent activity.
                  // According to http://stackoverflow.com/a/14792752/2420519
                  //NavUtils.navigateUpTo(activity, upIntent);
                  upIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
                  activity.startActivity(upIntent);
              }
          }
          activity.finish();
      }