React Native中实现列表下拉刷新的示例代码及解决方案

本示例演示如何在React Native应用中使用FlatList组件实现下拉刷新功能，提升用户体验。通过引入React Hooks和RefreshControl组件，实现简洁高效的下拉刷新机制。

import React, { useState, useEffect } from 'react';
import { FlatList, View, Text, RefreshControl } from 'react-native';

const App = () => {
  const [data, setData] = useState([]);
  const [refreshing, setRefreshing] = useState(false);

  useEffect(() => {
    fetchData();
  }, []);

  const fetchData = async () => {
    // 模拟异步数据获取
    const response = await fetch('https://api.example.com/data');
    const result = await response.json();
    setData(result);
  };

  const handleRefresh = async () => {
    setRefreshing(true);
    await fetchData();
    setRefreshing(false);
  };

  return (
    <View>
      <FlatList
        data={data}
        keyExtractor={(item) => item.id.toString()}
        renderItem={({ item }) => <Text>{item.name}</Text>}
        refreshControl={
          <RefreshControl refreshing={refreshing} onRefresh={handleRefresh} />
        }
      />
    </View>
  );
};

export default App;

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