获取通知权限失败

// 校验是否有通知权限，若无则唤起权限弹窗
notificationManager.isNotificationEnabled().then((data: boolean) => {
  console.info(`isNotificationEnabled success, data: ${JSON.stringify(data)}`);
  if (!data) {
    let context = this.getUIContext().getHostContext() as common.UIAbilityContext;
    notificationManager.requestEnableNotification(context).then(() => {
      console.info(`[ANS] requestEnableNotification success`);
    }).catch((err: BusinessError) => {
      if (1600004 == err.code) {
        console.info(`[ANS] requestEnableNotification refused`);
      } else {
        console.error(`[ANS] requestEnableNotification failed, code is ${err.code}, message is   ${err.message}`);
      }
    });
    }
  }).catch((err: BusinessError) => {
    console.error(`isNotificationEnabled fail: ${JSON.stringify(err)}`);
});

// router打开新页面
router.pushUrl({ url: 'pages/test'});