如何使用flutter从手机中检索联系人的详细信息并将其保存在应用程序中

<uses-permission android:name="android.permission.READ_CONTACTS" />

dependencies:
  contacts: ^0.6.2

import 'package:contacts/contacts.dart';

Future<List<Contact>> getContacts() async {
  List<Contact> contacts = [];
  try {
    contacts = await Contacts.getContacts();
  } catch (e) {
    print(e.toString());
  }
  return contacts;
}

ListView.builder(
  itemCount: contacts.length,
  itemBuilder: (BuildContext context, int index) {
    return ListTile(
      title: Text(contacts[index].displayName ?? ''),
      subtitle: Text(contacts[index].phones.isNotEmpty
          ? contacts[index].phones.first.value
          : ''),
    );
  },
)

import 'package:shared_preferences/shared_preferences.dart';

void saveContact(Contact contact) async {
  SharedPreferences prefs = await SharedPreferences.getInstance();
  prefs.setString('contact_name', contact.displayName ?? '');
  prefs.setString('contact_phone', contact.phones.isNotEmpty
      ? contact.phones.first.value
      : '');
}