Question 76082 in Flutter Question posted in
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TypeError (type '(Route<dynamic>) => bool' is not a subtype of type 'Route<Object>' in type cast) Flutter

In flutter, I’m on one Widget and there is logout functionality. So once I click on it I want to remove all other widget’s instance from the Widget tree and jump on logout widgets, so what I need to use?

TextButton.icon(
  label: const Text('Logout'),
  icon: const Icon(Icons.logout),
  onPressed: () {
    Provider.of<Auth>(context, listen: false).logout();
    Navigator.pushAndRemoveUntil(
      context,
      ModalRoute.withName(AuthScreens.routeName) as Route<Object>,
      (route) => false,
    );
  },
)
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2

Answers


  1. Chosen as BEST ANSWER
    0

    So I was using wrong approached there. Basically, I was ignoring the it's parameter's Type value, which should be only Route to String.

    Navigator.pushAndRemoveUntil(
              context,
              MaterialPageRoute(builder: (context) => ProductListingWidget()),
              (route) => false,
            );

    with this changes I solved the issue, You can compared my previous code and this code, you will find the proper different in it.


  2. 0

    You may have to use popUntil

    Navigator.popUntil(context, ModalRoute.withName(AuthScreens.routeName))

    Or if you are popping and pushing to new page then

    Navigator.pushAndRemoveUntil<dynamic>(context, MaterialPageRoute<dynamic>(builder: (context)=> NewPage()), ModalRoute.withName(AuthScreens.routeName));

    Here, NewPage represents the page which user to be navigated after logout.(E.g: RegistrationPage())

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