如何获取获取OAID信息

import { identifier }from '@kit.AdsKit';

// 使用Promise方式
private getOaidByPromise() {
  try {
    // 获取OAID信息
    identifier.getOAID().then((data: string) => {
      this.oaid = data;
      hilog.info(0x0000, 'testTag', '%{public}s', 'getAdsIdentifierInfo by promise success');
    }).catch((err: BusinessError) => {
      hilog.error(0x0000, 'testTag', '%{public}s',
        `getAdsIdentifierInfo failed, message: ${(err as BusinessError).message}`);
    })
  } catch (err) {
    hilog.error(0x0000, 'testTag', '%{public}s', `get oaid by callback catch error: ${err.code} ${err.message}`);
  }
}
// 使用Callback回调方式
private getOaidByCallback() {
  try {
    identifier.getOAID((err: BusinessError, data: string) => {
      if (err.code) {
        hilog.error(0x0000, 'testTag', '%{public}s', 'getAdsIdentifierInfo failed, message: ${err.message}');
      } else {
        this.oaid = data;
        hilog.info(0x0000, 'testTag', '%{public}s', 'getOaidFromOaidSaAPi by callback success');
      }
    });
  } catch (err) {
    hilog.error(0x0000, 'testTag', '%{public}s', `get oaid by callback catch error: ${err.code} ${err.message}`);
  }
}
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