demo/xinhuaribao/lib/provider/main_provider.dart

import 'package:flutter_riverpod/flutter_riverpod.dart';

/// @author: bo.zeng
/// @email: cnhbwds@gmail.com
/// @date: 2025 2025/4/9 16:00
/// @description:
class MainPageProvider extends Notifier<int> {
  @override
  int build() {
    return 0; // 初始值
  }

  void changeNavIndex(int value) {
    state = value;
  }
}