Martins Untals
Martins Untals

Reputation: 2298

Flutter ProxyProvider create failing

When trying to use ProxyProvider using the example syntax given in https://pub.dev/packages/provider

Widget build(BuildContext context) {
  return MultiProvider(
    providers: [
      ChangeNotifierProvider(create: (_) => Counter()),
      ProxyProvider<Counter, Translations>(
        create: (_, counter, __) => Translations(counter.value),
      ),
    ],
    child: Foo(),
  );
}

class Translations {
  const Translations(this._value);

  final int _value;

  String get title => 'You clicked $_value times';
}

I end up having following error in create function every time:

The argument type 'Translation Function(BuildContext, dynamic, dynamic)' can't be assigned to the parameter type 'Translation Function(BuildContext)'.dart(argument_type_not_assignable)

what I am doing wrong?

Upvotes: 0

Views: 352

Answers (1)

Anton Matrenin
Anton Matrenin

Reputation: 26

The documentation haven't updated yet. In v3.2.0 you should use create with one argument - BuildContext. You can downgrade to 3.1.0 and continue using builder with 3 arguments.

old:

builder: (context, x, y) => ...

new

create: (context) => ...

Upvotes: 1

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