Calling dispose function in stateless widget using provider

Question

I maintain a state of a counter(let say) in a separate Singelton class I am using provider in my app and I want to reset that state when I pop the current screen widget will it be possible.

Note: I want to use the stateless widget as in stateful its possible but any idea about achieving this in stateless.Like some sort of dispose function in changeNotifier provider.

Answer 1

Any class extended with ChangeNotifier gets an Dispose function you can override.

Example:

class MyClass with ChangeNotifier {
      @override
      void dispose() {
        // dispose your stuff here
        super.dispose();
      }
    }

Answer 2

ChangeNotifierProvider() and ChangeNotifierProvider.value() is different. ChangeNotifierProvider() will set dispose method, but ChangeNotifierProvider.value() won't.

  ChangeNotifierProvider({
Key? key,
required Create<T> create,
bool? lazy,
TransitionBuilder? builder,
Widget? child,

}) : super( key: key, create: create, dispose: _dispose, lazy: lazy, builder: builder, child: child, );