react-native-rk-pull-to-refresh
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a pull to refresh component for react-native, same api on both android and ios
react-native-rk-pull-to-refresh(ios/android)
中文说明
A pull to refresh component for react-native, same api on both android and ios.Also you can design you owner pull style for this component.You can use it for most of the component in react-native such as View,Scrollview,Listview and Flatlist.
Preview
Installation
npm install react-native-rk-pull-to-refresh --save
react-native link react-native-rk-pull-to-refresh
How to use
It contains PullView,PullScrollView,PullListView and PullFlatList.If you want to use PullFlatList,you should use this component whith React Native 0.43 and newer.
Use it for Listview with default style
import React, {PureComponent} from 'react';
import {ListView, View, Text, Dimensions} from 'react-native';
import {PullListView} from 'react-native-rk-pull-to-refresh'
const width = Dimensions.get('window').width
export default class PullListViewDemo extends PureComponent {
constructor(props) {
super(props);
this.dataSource =
new ListView.DataSource({rowHasChanged: (r1, r2) => r1 !== r2}).cloneWithRows(this.getDataSource())
}
getDataSource = () => {
let array = new Array();
for (let i = 0; i < 50; i++) {
array.push(`ListViewItem:${i + 1}`);
}
return array;
}
render() {
return (
<PullListView
ref={(c) => this.pull = c}
isContentScroll={true}
style={{flex: 1, width: width}}
onPushing={this.props.onPushing}
onPullRelease={this._onPullRelease}
dataSource={this.dataSource}
renderRow={this._renderRow}/>
)
}
_onPullRelease = () => {
setTimeout(() => {
this.pull && this.pull.finishRefresh()
}, 2000)
}
_renderRow = (rowData) => {
return (
<View style={{width: width, height: 50, justifyContent: 'center', alignItems: 'center'}}>
<Text>{rowData}</Text>
</View>);
}
componentDidMount() {
this.pull && this.pull.startRefresh()
}
}
Use it for View with you owner style
import React, {PureComponent} from 'react';
import {View, Text, Dimensions, StyleSheet, ActivityIndicator} from 'react-native';
import {PullView} from 'react-native-rk-pull-to-refresh'
const width = Dimensions.get('window').width
const topIndicatorHeight = 50
export default class PullViewDemo extends PureComponent {
render() {
return (
<PullView
ref={(c) => this.pull = c}
style={{flex: 1, width: width}}
topIndicatorRender={this.topIndicatorRender}
topIndicatorHeight={topIndicatorHeight}
onPullStateChangeHeight={this.onPullStateChangeHeight}
onPushing={this.props.onPushing}
onPullRelease={this._onPullRelease}>
<Text style={{flex: 1, width: width, paddingTop: 200, textAlign: 'center'}}>这是内容</Text>
</PullView>
)
}
onPullStateChangeHeight = (pullState, moveHeight) => {
if (pullState == 'pulling') {
this.txtPulling && this.txtPulling.setNativeProps({style: styles.show});
this.txtPullok && this.txtPullok.setNativeProps({style: styles.hide});
this.txtPullrelease && this.txtPullrelease.setNativeProps({style: styles.hide});
} else if (pullState == 'pullok') {
this.txtPulling && this.txtPulling.setNativeProps({style: styles.hide});
this.txtPullok && this.txtPullok.setNativeProps({style: styles.show});
this.txtPullrelease && this.txtPullrelease.setNativeProps({style: styles.hide});
} else if (pullState == 'pullrelease') {
this.txtPulling && this.txtPulling.setNativeProps({style: styles.hide});
this.txtPullok && this.txtPullok.setNativeProps({style: styles.hide});
this.txtPullrelease && this.txtPullrelease.setNativeProps({style: styles.show});
}
}
topIndicatorRender = () => {
return (
<View style={{flexDirection: 'row', justifyContent: 'center', alignItems: 'center', height: topIndicatorHeight}}>
<ActivityIndicator size="small" color="gray" style={{marginRight: 5}}/>
<Text ref={(c) => this.txtPulling = c} style={styles.hide}>pulling...</Text>
<Text ref={(c) => this.txtPullok = c} style={styles.hide}>pullok...</Text>
<Text ref={(c) => this.txtPullrelease = c} style={styles.hide}>pullrelease...</Text>
</View>
);
}
_onPullRelease = () => {
setTimeout(() => {
this.pull && this.pull.finishRefresh()
}, 2000)
}
componentDidMount() {
this.pull && this.pull.startRefresh()
}
}
const styles = StyleSheet.create({
hide: {
position: 'absolute',
left: 10000,
backgroundColor: 'transparent'
},
show: {
position: 'relative',
left: 0,
backgroundColor: 'transparent'
}
});
Full Demo
clone or download PullToRefreshDemo
Props
Porp | Type | Optional | Default | Description |
---|---|---|---|---|
refreshable | bool | yes | true | can pull to refresh or not |
isContentScroll | bool | yes | false | content scroll when pulling |
onPullRelease | func | yes | when refreshing, this function will be called | |
topIndicatorRender | func | yes | top pulling render for this component,when the value is undefined,this component use default top pulling render | |
topIndicatorHeight | number | yes | top pulling render header,when topIndicatorRender is not undefined,you must set the correct topIndicatorHeight | |
onPullStateChangeHeight | func | yes | when pulling, this function will be called | |
onPushing | func | yes | when pulling, this function will be called |
Method
startRefresh():force begin pull down refresh
finishRefresh():end pull down refresh