举例说明媒体条件查询如何使用

[media-type] [media-logic-operations] [(media-feature)]
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import { mediaquery } from '@kit.ArkUI';
let listener: mediaquery.MediaQueryListener = mediaquery.matchMediaSync('screen and (orientation: landscape) and (dark-mode: true)');
onLandscapeAndDarkMode(mediaQueryResult: mediaquery.MediaQueryResult) {
  console.log("================"+mediaQueryResult.matches)
}
listener.on('change', this.onLandscapeAndDarkMode);
//当手机为横屏，并且模式为深色模式，返回true，其他情况返回false
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