NormalHeader.js
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/**
* Author: Shi(bolan0000@icloud.com)
* Date: 2019/1/18
* Copyright (c) 2018, AoTang, Inc.
*
* Description:
*/
import React from "react";
import { RefreshHeader, HeaderStatus } from "./RefreshHeader";
import {
ActivityIndicator,
Animated,
View,
StyleSheet,
Text
} from "react-native";
export class NormalHeader extends RefreshHeader {
static height = 80;
static style = "stickyContent";
render() {
return (
<View style={styles.container}>
{this._renderIcon()}
<View style={styles.rContainer}>
<Text style={styles.text}>
{this.getTitle()}
</Text>
{this.renderContent()}
</View>
</View>
);
}
_renderIcon() {
const s = this.state.status;
if (s === "refreshing" || s === "rebound") {
return <ActivityIndicator color={"gray"}/>;
}
const { maxHeight, offset } = this.props;
return (
<Animated.Image
source={require("./Customize/res/arrow.png")}
style={{
transform: [
{
rotate: offset.interpolate({
inputRange: [-maxHeight - 1 - 10, -maxHeight - 10, -50, -49],
outputRange: ["180deg", "180deg", "0deg", "0deg"]
})
}
]
}}
/>
);
}
renderContent(){
return null;
}
getTitle() {
const s = this.state.status;
if (s === "pulling" || s === "waiting") {
return "Pull down to refresh";
} else if (s === "pullingEnough") {
return "Release to refresh";
} else if (s === "refreshing") {
return "Refreshing ...";
} else if (s === "pullingCancel") {
return "Give up refreshing";
} else if (s === "rebound") {
return "Refresh completed";
}
}
}
const styles = StyleSheet.create({
container: {
flex: 1,
alignItems: "center",
justifyContent: "center",
flexDirection: "row"
},
rContainer: {
marginLeft: 20
},
text: {
marginVertical: 5,
fontSize: 15,
color: "#666",
textAlign: "center",
width: 140
}
});