颤振将Hive数据库与Riverpod集成

dependencies:
  hive: ^1.4.4
  hive_flutter: ^1.1.0

import 'package:flutter/material.dart';
import 'package:hive/hive.dart';
import 'package:hive_flutter/hive_flutter.dart';

void main() async {
  await Hive.initFlutter();
  // 添加其他需要初始化的Hive适配器
  runApp(MyApp());
}

import 'package:hive/hive.dart';

part 'person_model.g.dart';

@HiveType(typeId: 0)
class PersonModel extends HiveObject {
  @HiveField(0)
  late String name;

  @HiveField(1)
  late int age;
}

flutter packages pub run build_runner build

import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:hive/hive.dart';
import 'package:path_provider/path_provider.dart';

final hiveBoxProvider = FutureProvider<Box>((ref) async {
  final appDocumentDir = await getApplicationDocumentsDirectory();
  Hive.init(appDocumentDir.path);
  await Hive.openBox('myBox');
  return Hive.box('myBox');
});

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:hive/hive.dart';

void main() {
  runApp(ProviderScope(child: MyApp()));
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('Hive & Riverpod Integration'),
        ),
        body: Center(
          child: Consumer(
            builder: (context, watch, _) {
              final hiveBox = watch(hiveBoxProvider);
              return hiveBox.when(
                data: (box) => Text('Data: ${box.get('key')}'),
                loading: () => CircularProgressIndicator(),
                error: (error, stackTrace) => Text('Error: $error'),
              );
            },
          ),
        ),
      ),
    );
  }
}