React Native中的Javascript进度条

import React, { useState, useEffect } from 'react';
import { View, StyleSheet } from 'react-native';
import ProgressBar from 'react-native-progress/Bar';

const App = () => {
  const [progress, setProgress] = useState(0);

  useEffect(() => {
    const interval = setInterval(() => {
      setProgress((prevProgress) => {
        if (prevProgress === 1) {
          clearInterval(interval);
          return 1;
        }
        return prevProgress + 0.1;
      });
    }, 500);

    return () => clearInterval(interval);
  }, []);

  return (
    <View style={styles.container}>
      <ProgressBar progress={progress} width={200} />
    </View>
  );
};

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
  },
});

export default App;