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react-native-parallax-header
Advanced tools
A react native scroll view component with Parallax header :p
$ npm i react-native-parallax-header --save
alwaysShowTitle={false}
& alwaysShowNavBar={false}
)Refer to TestParallax for working example
import React from 'react';
import {
StyleSheet,
View,
Text,
StatusBar,
Dimensions,
TouchableOpacity,
} from 'react-native';
import ReactNativeParallaxHeader from 'react-native-parallax-header';
const {height: SCREEN_HEIGHT} = Dimensions.get('window');
const IS_IPHONE_X = SCREEN_HEIGHT === 812 || SCREEN_HEIGHT === 896;
const STATUS_BAR_HEIGHT = Platform.OS === 'ios' ? (IS_IPHONE_X ? 44 : 20) : 0;
const HEADER_HEIGHT = Platform.OS === 'ios' ? (IS_IPHONE_X ? 88 : 64) : 64;
const NAV_BAR_HEIGHT = HEADER_HEIGHT - STATUS_BAR_HEIGHT;
const renderNavBar = () => (
<View style={styles.navContainer}>
<View style={styles.statusBar} />
<View style={styles.navBar}>
<TouchableOpacity style={styles.iconLeft} onPress={() => {}}>
<Text style={{color: 'white'}}>About</Text>
</TouchableOpacity>
<TouchableOpacity style={styles.iconRight} onPress={() => {}}>
<Text style={{color: 'white'}}>Me</Text>
</TouchableOpacity>
</View>
</View>
);
const renderContent = () => {
return (
<View style={styles.body}>
{Array.from(Array(30).keys()).map((i) => (
<View
key={i}
style={{padding: 15, alignItems: 'center', justifyContent: 'center'}}>
<Text>Item {i + 1}</Text>
</View>
))}
</View>
);
};
const title = () => {
return (
<View style={styles.body}>
<Text style={{color: 'white', fontSize: 25}}>Parallax Header</Text>
</View>
);
};
const App = () => {
return (
<>
<StatusBar barStyle="dark-content" />
<ReactNativeParallaxHeader
headerMinHeight={HEADER_HEIGHT}
headerMaxHeight={250}
extraScrollHeight={20}
navbarColor="#3498db"
titleStyle={styles.titleStyle}
title={title()}
backgroundImage={require('./bg.png')}
backgroundImageScale={1.2}
renderNavBar={renderNavBar}
renderContent={renderContent}
containerStyle={styles.container}
contentContainerStyle={styles.contentContainer}
innerContainerStyle={styles.container}
scrollViewProps={{
onScrollBeginDrag: () => console.log('onScrollBeginDrag'),
onScrollEndDrag: () => console.log('onScrollEndDrag'),
}}
/>
</>
);
};
const styles = StyleSheet.create({
container: {
flex: 1,
},
contentContainer: {
flexGrow: 1,
},
navContainer: {
height: HEADER_HEIGHT,
marginHorizontal: 10,
},
statusBar: {
height: STATUS_BAR_HEIGHT,
backgroundColor: 'transparent',
},
navBar: {
height: NAV_BAR_HEIGHT,
justifyContent: 'space-between',
alignItems: 'center',
flexDirection: 'row',
backgroundColor: 'transparent',
},
titleStyle: {
color: 'white',
fontWeight: 'bold',
fontSize: 18,
},
});
export default App;
Property | Type | Required | Description | Default |
---|---|---|---|---|
renderNavBar | func | No | This renders the nav bar component | Empty <View /> |
renderContent | func | YES | This renders the scroll view content | - |
headerMaxHeight | number | No | This is the header maximum height | Default to 170 |
headerMinHeight | number | No | This is the header minimum height | Default to common ios & android navbar height (have support for iPhone X too :p) |
backgroundImage | image source | No | This renders the background image of the header (if specified, background color will not take effect) | Default to null |
backgroundImageScale | number | No | This is the image scale - either enlarge or shrink (after scrolling to bottom & exceed the headerMaxHeight) | Default is 1.5 |
backgroundColor | string | No | This is the color of the parallax background (before scrolling up), will not be used if backgroundImage is specified | Default color is #303F9F |
extraScrollHeight | number | No | This is the extra scroll height (after scrolling to bottom & exceed the headerMaxHeight) | Default is 30 |
navbarColor | string | No | This is the background color of the navbar (after scroll up) | Default color is #3498db |
statusBarColor | string | No | This is the status bar color (for android) navBarColor will be used if no statusBarColor is passed in | Default to null |
title | any | No | This is the title to be display in the header, can be string or component | Default to null |
titleStyle | style | No | This is the title style to override default font size/color | Default to color: ‘white’ text and fontSize: 16 |
headerTitleStyle | style | No | This is the header title animated view style to override default <Animated.View> style | Default to null |
scrollEventThrottle | number | No | This is the scroll event throttle | Default is 16 |
contentContainerStyle | style | No | This is the contentContainerStyle style to override default <ScrollView> contentContainerStyle style | Default to null |
containerStyle | style | No | This is the style to override default outermost <View> style | Default to null |
scrollViewStyle | style | No | This is the scrollview style to override default <ScrollView> style | Default to null |
innerContainerStyle | style | No | This is the inner content style to override default <View> style inside <ScrollView> component | Default to null |
alwaysShowTitle | bool | No | This is to determine whether show or hide the title after scroll | Default to true |
alwaysShowNavBar | bool | No | This is to determine whether show or hide the navBar before scroll | Default to true |
scrollViewProps | object | No | This is to override default scroll view properties | Default to {} |
FAQs
A react native scroll view component with Parallax header :p
The npm package react-native-parallax-header receives a total of 144 weekly downloads. As such, react-native-parallax-header popularity was classified as not popular.
We found that react-native-parallax-header demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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