推荐开源项目：React Native Contacts - 管理手机通讯录的完美解决方案

import React from 'react';
import { View, Text, Button, PermissionsAndroid } from 'react-native';
import Contacts from 'react-native-contacts';
 
export default class ContactsScreen extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      contacts: [],
    };
  }
 
  componentDidMount() {
    this.requestContactsPermission();
  }
 
  requestContactsPermission = async () => {
    try {
      const granted = await PermissionsAndroid.request(
        PermissionsAndroid.PERMISSIONS.READ_CONTACTS,
        {
          title: 'Contacts Permission',
          message: 'This app needs access to your contacts ' +
                   'so you can save them into your app.',
          buttonNeutral: 'Ask Me Later',
          buttonNegative: 'Cancel',
          buttonPositive: 'OK',
        },
      );
      if (granted === PermissionsAndroid.RESULTS.GRANTED) {
        this.fetchContacts();
      } else {
        console.log('Contacts permission denied');
      }
    } catch (err) {
      console.warn(err);
    }
  }
 
  fetchContacts = () => {
    Contacts.getAll().then(contacts => {
      this.setState({ contacts });
    });
  }
 
  render() {
    return (
      <View>
        <Button title="Fetch Contacts" onPress={this.fetchContacts} />
        {this.state.contacts.map(contact => (
          <View key={contact.recordID}>
            <Text>{contact.givenName}</Text>
            <Text>{contact.familyName}</Text>
          </View>
        ))}
      </View>
    );
  }
}

这段代码示例展示了如何在React Native应用中请求通讯录权限，获取并展示通讯录联系人列表。它使用了react-native-contacts库来处理通讯录相关操作，并结合了React Native的组件和生命周期方法。