Dingdong_app/decorator/scrollPage.js

import React from "react";
import { ScrollView, RefreshControl } from "react-native";

function scrollPage(Component) {
    class NewPage extends React.Component {
        constructor(props) {
            super(props);
            this.state = {
                refreshing: false,
            };
        }

        _onRefresh = () => {
            this.setState({ refreshing: true });
            fetchData().then(() => {
                this.setState({ refreshing: false });
            });
        };

        render(props) {
            return (
                <ScrollView
                    contentContainerStyle={{ flexGrow: 1 }}
                    refreshControl={
                        <RefreshControl
                            refreshing={this.state.refreshing}
                            onRefresh={this._onRefresh}
                            enabled={true}
                        />
                    }
                >
                    <Component {...props} />
                </ScrollView>
            );
        }
    }
    return () => {
        return <NewPage />;
    };
}

export default scrollPage;