HarmonyOS 设置隐私模式失败？

Question

开启隐私模式失败

{
  "name" : "ohos.permission.PRIVACY_WINDOW"
},

onWindowStageCreate(windowStage: window.WindowStage): void {
  AppStorage.setOrCreate('ynetWindowStage',windowStage)
  windowStage.getMainWindow((err, data) => {
  if (err.code) {
  console.error('Failed to obtain the main window. Cause: ' + JSON.stringify(err));
  YLog.error(`[LifeCycle] Failed to obtain the main window. Cause ${JSON.stringify(err)}`)
return;
}
let mainWindow: window.Window = data;
AppStorage.setOrCreate('ynetMainWindow',mainWindow)// 设置隐私模式，防止截屏、录屏
export function setPrivacyMode (isPrivacyMode: boolean) {
  // 取缓存中的主窗口
  let windowClass = AppStorage.get("ynetMainWindow") as window.Window;
  // 设置防录屏、截屏,isPrivacyMode: true,禁止截屏/录屏; isPrivacyMode: false,允许截屏/录屏;
  try {
    windowClass.setWindowPrivacyMode(isPrivacyMode, (err) => {
      if (err.code) {
        console.error('Failed to set the window to privacy mode-err. Cause:' + JSON.stringify(err));
        return;
      }
      console.info('Succeeded in setting the window to privacy mode.');
    });
  } catch (exception) {
    console.error('Failed to set the window to privacy mode. Cause-exception:' + JSON.stringify(exception));
  }
}

Answer 1

第一步：

onWindowStageCreate(windowStage: window.WindowStage): void {

  let windowClass: window.Window = windowStage.getMainWindowSync();
  // 获取应用主窗口
  AppStorage.setOrCreate("windowClass",windowClass);
}

第二步：

{         "name" : 'ohos.permission.PRIVACY_WINDOW'       }