图像无法渲染-正在处理“react-native-snap-carousel”

Question

不幸的是，我很难真正掌握这个库是如何工作的，特别是ParallaxImage组件。我想知道有没有人能帮我。我正在努力让我的图像渲染。

以下是文档：https://www.npmjs.com/package/react-native-snap-carousel#props-methods-and-getters

下面是下面的代码，但是我还有一个已经在here上运行的点心

顺便说一句，它不能在网络上加载，你必须选择IOS或android。

import React, {useRef, useState, useEffect} from 'react';
import Carousel, {ParallaxImage} from 'react-native-snap-carousel';
import {
  View,
  Text,
  Dimensions,
  StyleSheet,
  TouchableOpacity,
  Platform,
} from 'react-native';

const ENTRIES1 = [
  {
    title: 'Text',
    thumbnail: require('./assets/splash.png'),
  },
  {
    title: 'Text 1',
    thumbnail: require('./assets/splash.png'),
  },
  {
    title: 'Text 2',
    thumbnail: require('./assets/splash.png'),
  },
];
const {width: screenWidth} = Dimensions.get('window');

const MyCarousel = props => {
  const [entries, setEntries] = useState([]);
  const carouselRef = useRef(null);

  const goForward = () => {
    carouselRef.current.snapToNext();
  };

  useEffect(() => {
    setEntries(ENTRIES1);
  }, []);

  const renderItem = ({item, index}, parallaxProps) => {
    return (
      <View style={styles.item}>
        <ParallaxImage
          source={{uri: item.thumbnail}}
          containerStyle={styles.imageContainer}
          style={styles.image}
          parallaxFactor={0.4}
          {...parallaxProps}
        />
        <Text style={styles.title} numberOfLines={2}>
          {item.title}
        </Text>
      </View>
    );
  };

  return (
    <View style={styles.container}>
      <Carousel
        ref={carouselRef}
        sliderWidth={screenWidth}
        sliderHeight={screenWidth}
        itemWidth={screenWidth - 60}
        data={entries}
        renderItem={renderItem}
        hasParallaxImages={true}
      />
    </View>
  );
};

export default MyCarousel;

const styles = StyleSheet.create({
  container: {
    flex: 1,
  },
  item: {
    width: screenWidth - 60,
    height: screenWidth - 60,
  },
  imageContainer: {
    flex: 1,
    marginBottom: Platform.select({ios: 0, android: 1}), // Prevent a random Android rendering issue
    backgroundColor: 'white',
    borderRadius: 8,
  },
  image: {
    ...StyleSheet.absoluteFillObject,
    resizeMode: 'cover',
  },
});

Answer 1

我认为你需要用source={item.thumbnail}替换source={{uri: item.thumbnail}}，因为uri像https://image.png一样用于web图像url，而require用于本地图像。我在我的安卓上测试过了，现在工作正常