builder 已弃用，不应使用 Flutter Provider答案

【问题标题】：builder is depreacated and shouldn't be used Flutter Providerbuilder 已弃用，不应使用 Flutter Provider
【发布时间】：2020-04-03 03:09:25
【问题描述】：

如何解决这个问题？我尝试添加create，如何传递这些参数？

  ProxyProvider<YelloChatDb, UserDao>(
    builder: (context, yelloChatDb, userdAO) => UserDao(yelloChatDb),
  ),

  ProxyProvider<YelloVendorClient, VendorService>(
      builder: (context, yelloVendorClient, categoryService) =>
          VendorService.create(yelloVendorClient.chopperClient),
      dispose: (context, categoryService) => categoryService.client.dispose()),

道类

@UseDao(tables: [Users])
class UserDao extends DatabaseAccessor<YelloChatDb> with _$UserDaoMixin {
  UserDao(YelloChatDb db) : super(db);

...
}

【问题讨论】：

标签： flutter dart flutter-provider

【解决方案1】：

更改日志 3.2.0 https://pub.dev/packages/provider#320
已弃用提供程序的“构建器”以支持“创建”
您可以使用create 代替builder
来自https://pub.dev/packages/provider#proxyprovider 的示例
代码 sn -p

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

【讨论】：