如何打开本地文件资源管理器来定位flutter中的目录？

dependencies:
  flutter:
    sdk: flutter
  path_provider: ^2.0.2

import 'package:flutter/material.dart';
import 'package:path_provider/path_provider.dart';
import 'package:flutter/services.dart';
import 'dart:io';

void openFileExplorer() async {
  Directory appDocDir = await getApplicationDocumentsDirectory();
  String appDocPath = appDocDir.path;

  try {
    await MethodChannel('open_file_explorer').invokeMethod('open', {'path': appDocPath});
  } on PlatformException catch (e) {
    print("Failed to open file explorer: ${e.message}");
  }
}

void main() {
  runApp(MaterialApp(
    home: Scaffold(
      appBar: AppBar(
        title: Text('Open File Explorer'),
      ),
      body: Center(
        child: ElevatedButton(
          child: Text('Open File Explorer'),
          onPressed: openFileExplorer,
        ),
      ),
    ),
  ));
}

import io.flutter.embedding.android.FlutterActivity;
import io.flutter.embedding.engine.FlutterEngine;
import io.flutter.plugin.common.MethodChannel;

public class MainActivity extends FlutterActivity {
    private static final String CHANNEL = "open_file_explorer";

    @Override
    public void configureFlutterEngine(FlutterEngine flutterEngine) {
        super.configureFlutterEngine(flutterEngine);
        new MethodChannel(flutterEngine.getDartExecutor().getBinaryMessenger(), CHANNEL)
                .setMethodCallHandler(
                        (call, result) -> {
                            if (call.method.equals("open")) {
                                String path = call.argument("path");
                                openFileExplorer(path);
                            } else {
                                result.notImplemented();
                            }
                        }
                );
    }

    private void openFileExplorer(String path) {
        // 打开文件资源管理器并定位到指定路径
        // 这里省略具体实现
    }
}

import UIKit
import Flutter

@UIApplicationMain
@objc class AppDelegate: FlutterAppDelegate {
    private static let CHANNEL = "open_file_explorer"

    override func application(
        _ application: UIApplication,
        didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
    ) -> Bool {
        let controller : FlutterViewController = window?.rootViewController as! FlutterViewController
        let channel = FlutterMethodChannel(name: AppDelegate.CHANNEL, binaryMessenger: controller.binaryMessenger)
        channel.setMethodCallHandler({
            (call: FlutterMethodCall, result: @escaping FlutterResult) -> Void in
            if call.method == "open" {
                if let args = call.arguments as? [String: Any],
                   let path = args["path"] as? String {
                    self.openFileExplorer(path: path)
                }
            } else {
                result(FlutterMethodNotImplemented)
            }
        })

        GeneratedPluginRegistrant.register(with: self)
        return super.application(application, didFinishLaunchingWithOptions: launchOptions)
    }

    private func openFileExplorer(path: String) {
        // 打开文件资源管理器并定位到指定路径
        // 这里省略具体实现
    }
}