提供页面维度和组件维度可以设置防截屏和录屏API或属性？

// windowUtils.ets 
import window from '@ohos.window'; 
import common from '@ohos.app.ability.common'; 
 
export class windowUtils { 
  static setWindowPrivacyModeInPage(context: common.UIAbilityContext, isFlag: boolean) { 
    window.getLastWindow(context).then((lastWindow) => { 
      lastWindow.setWindowPrivacyMode(isFlag); 
    }) 
  } 
} 
 
// index.ets 文件 
import common from '@ohos.app.ability.common'; 
import { windowUtils } from '../common/windowUtils'; 
 
struct SwiperExample { 
  onPageShow() { 
    //let windowInstance: window.WindowStage = AppStorage.get("mainWindow") as window.WindowStage; 
    // windowInstance.getMainWindowSync().setWindowPrivacyMode(true);  
    windowUtils.setWindowPrivacyModeInPage(getContext(this) as common.UIAbilityContext, true); 
  } 
 
  onPageHide() { 
    windowUtils.setWindowPrivacyModeInPage(getContext(this) as common.UIAbilityContext, false); 
  } 
 
  build() { 
  } 
}