如何监听手机屏幕的横竖屏切换？

import { mediaquery } from '@kit.ArkUI';
let listener: mediaquery.MediaQueryListener = mediaquery.matchMediaSync('(orientation: landscape)');
onLandscape(mediaQueryResult: mediaquery.MediaQueryResult) {
  console.log("================"+mediaQueryResult.matches)
}
listener.on('change', this.onLandscape);

//经测试，手机横屏返回为true，手机竖屏返回为false