探索React Native Parallax: 创新的视差滚动效果库

import React from 'react';
import { View, Text, StyleSheet } from 'react-native';
import ParallaxScrollView from 'react-native-parallax-scroll-view';
 
const ParallaxExample = () => (
  <ParallaxScrollView
    backgroundSource={{ uri: 'https://i.imgur.com/rHA9f5p.jpg' }}
    stickyHeaderHeight={STICKY_HEADER_HEIGHT}
    parallaxHeaderHeight={PARALLAX_HEADER_HEIGHT}
    renderStickyHeader={() => <View style={styles.stickyHeader} />}
    renderParallaxHeader={() => (
      <View style={styles.parallaxHeader}>
        <Text style={styles.text}>Parallax Header</Text>
      </View>
    )}
    renderForeground={() => (
      <View style={styles.foreground}>
        <Text style={styles.text}>Foreground</Text>
      </View>
    )}
  >
    {/* Your scrollable content here */}
    <View style={styles.content}>
      <Text style={styles.text}>Scrollable Content</Text>
    </View>
  </ParallaxScrollView>
);
 
const STICKY_HEADER_HEIGHT = 70;
const PARALLAX_HEADER_HEIGHT = 200;
 
const styles = StyleSheet.create({
  stickyHeader: {
    height: STICKY_HEADER_HEIGHT,
    backgroundColor: 'blue',
    justifyContent: 'center',
    alignItems: 'center',
  },
  parallaxHeader: {
    height: PARALLAX_HEADER_HEIGHT,
    backgroundColor: 'red',
    justifyContent: 'center',
    alignItems: 'center',
  },
  foreground: {
    height: 100,
    backgroundColor: 'green',
    justifyContent: 'center',
    alignItems: 'center',
  },
  content: {
    height: 1000,
    backgroundColor: 'yellow',
    justifyContent: 'center',
    alignItems: 'center',
  },
  text: {
    color: 'white',
    fontSize: 20,
  },
});
 
export default ParallaxExample;

这个代码实例展示了如何使用react-native-parallax-scroll-view库来创建一个带有视差滚动效果的页面。代码中定义了三个组件：一个粘性头部、一个视差头部和一个前景组件，并且展示了如何使用库提供的属性和方法来配置它们。这个例子简洁明了，并且提供了一个清晰的视差滚动效果的实现方式。