react native 安卓home返回键页面刷新

import { withNavigationFocus } from ‘react-navigation‘;

class Warngreete extends React.Component {

constructor(props) {    super(props);

}

componentDidMount() {   this.reload();}

componentWillReceiveProps(newProps) {    if(newProps.isFocused){        this.reload();    }}

//页面执行函数reload（）{}

}

export default withNavigationFocus(Warngreete);

原文地址：https://www.cnblogs.com/yuxingxingstar/p/9855524.html