问题

e: /node_modules/react-native-google-mobile-ads/android/src/main/java/io/invertase/googlemobileads/ReactNativeGoogleMobileAdsAdHelper.kt: (76, 33): 类型不匹配：推断类型为 RewardItem?，但预期是 RewardItem

有人知道如何解决这个问题吗？

<details>
<summary>英文:</summary>

e: /node_modules/react-native-google-mobile-ads/android/src/main/java/io/invertase/googlemobileads/ReactNativeGoogleMobileAdsAdHelper.kt: (76, 33): Type mismatch: inferred type is RewardItem? but RewardItem was expected

someone know how fix this issue?

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# 答案1
**得分**: 1

你的变量可以是 `undefined`。你可以在 `RewardItem?` 末尾的 `?` 看到这一点。在调用 Admob 方法之前，你可能必须处理这种情况。

<details>
<summary>英文:</summary>

Your variable can be `undefined`. You can see that with the `?` at the end of `RewardItem?`. You must probably deal with the case before calling admob method.

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