React Native / Expo -将图像传递到预览屏幕

import React, { useState } from 'react';
import { View, Image, Button } from 'react-native';
import * as ImagePicker from 'expo-image-picker';

const handleImagePick = async () => {
  const { status } = await ImagePicker.requestMediaLibraryPermissionsAsync();
  if (status !== 'granted') {
    alert('需要访问相册权限！');
    return;
  }

  const result = await ImagePicker.launchImageLibraryAsync();
  if (!result.cancelled) {
    setImage(result.uri);
  }
};

const [image, setImage] = useState(null);

return (
  <View>
    {image && <Image source={{ uri: image }} style={{ width: 200, height: 200 }} />}
    <Button title="选择图像" onPress={handleImagePick} />
  </View>
);