> For the complete documentation index, see [llms.txt](https://developers-apps-in-toss.toss.im/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers-apps-in-toss.toss.im/documentation/api-and-sdk-zh/sdk/domains-api/guang-gao/googleadmob.loadappsintossadmob.md).

# GoogleAdMob.loadAppsInTossAdMob

### 功能说明

Google AdMob 广告会预先加载，准备好在需要广告的时刻立即展示。广告成功加载后 `onEvent` 通过回调 `type: 'loaded'` 会传递事件。

调用前 `GoogleAdMob.loadAppsInTossAdMob.isSupported()`可通过它确认是否支持。

### 类型

```ts
GoogleAdMob.loadAppsInTossAdMob(params: LoadAdMobParams): () => void;
```

**参数**

```ts
interface LoadAdMobParams {
  options: LoadAdMobOptions;
  onEvent: (event: LoadAdMobEvent) => void;
  onError: (error: unknown) => void;
}

type LoadAdMobOptions = {
  /** 广告组 ID。请填写在 App in Toss 控制台中获取的值。 */
  adGroupId: string;
  /** 用于区分广告请求来源的值。 */
  referrer?: string | null;
};

type LoadAdMobEvent = {
  type: "loaded";
  data: LoadAdMobResult;
};

type LoadAdMobResult = {
  /** 广告组 ID。 */
  adGroupId: string;
  /** 广告 ID。 */
  adUnitId: string;
  /** 广告加载响应信息。 */
  responseInfo: {
    /** 广告网络响应信息数组。 */
    adNetworkInfoArray: AdNetworkResponseInfo[];
    /** 已加载的广告网络响应信息。 */
    loadedAdNetworkInfo: AdNetworkResponseInfo | null;
    /** 用于识别广告响应的 ID。 */
    responseId: string | null;
  };
};

type AdNetworkResponseInfo = {
  /** 广告源 ID。 */
  adSourceId: string;
  /** 广告源名称。 */
  adSourceName: string;
  /** 广告源实例 ID。 */
  adSourceInstanceId: string;
  /** 广告源实例名称。 */
  adSourceInstanceName: string;
  /** 广告网络类名称。 */
  adNetworkClassName: string | null;
};
```

**响应**

返回取消订阅函数(`() => void`)。调用后，之后到达的事件和错误将不会再通过回调传递。

### 错误

如果广告加载失败 `onError` 错误会通过回调传递。如果在非 Toss App WebView 环境中调用，则会在调用时发生错误。

### 示例代码

```js
import { Ads } from "@apps-in-toss/web-framework";

function loadAd() {
  if (!GoogleAdMob.loadAppsInTossAdMob.isSupported()) {
    console.warn("当前环境中无法使用 AdMob 广告。");
    return;
  }

  GoogleAdMob.loadAppsInTossAdMob({
    options: { adGroupId: "AD_GROUP_ID" },
    onEvent: (event) => {
      if (event.type === "loaded") {
        console.log("广告加载完成：", event.data.responseInfo.responseId);
      }
    },
    onError: (error) => {
      console.error("广告加载失败：", error);
    },
  });
}
```


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