我正在关注https://developers.google.com/admob/android/quick-start?hl=en-US#import_the_mobile_ads_sdk。
<com.google.android.gms.ads.AdView xmlns:ads="http://schemas.android.com/apk/res-auto"
android:id="@+id/adView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_alignParentBottom="true"
ads:adSize="SMART_BANNER"
ads:adUnitId="ca-app-pub-8143809646615023/6347460003">
>
</com.google.android.gms.ads.AdView>
我在构建时遇到的错误：
```
Android resource linking failed
Output: /Users/quantum/QuantumPilot/android/feature/src/main/res/layout/activity_main.xml:29: error: attribute adSize (aka quantumpilot.quantumproductions.com.quantumpilot.app:adSize) not found.
/Users/quantum/QuantumPilot/android/feature/src/main/res/layout/activity_main.xml:29: error: attribute adUnitId (aka quantumpilot.quantumproductions.com.quantumpilot.app:adUnitId) not found.
error: failed linking file resources.
Command: /Users/quantum/.gradle/caches/transforms-1/files-1.1/aapt2-3.2.1-4818971-osx.jar/502ec8114256bc9343b789f7637adf71/aapt2-3.2.1-4818971-osx/aapt2 link -I\
/Users/quantum/Library/Android/sdk/platforms/android-27/android.jar\
--manifest\
/Users/quantum/QuantumPilot/android/feature/build/intermediates/merged_manifests/debugFeature/processDebugFeatureManifest/merged/AndroidManifest.xml\
-o\
/Users/quantum/QuantumPilot/android/feature/build/intermediates/processed_res/debugFeature/processDebugFeatureResources/out/resources-debugFeature.ap_\
-R\
@/Users/quantum/QuantumPilot/android/feature/build/intermediates/incremental/processDebugFeatureResources/resources-list-for-resources-debugFeature.ap_.txt\
--auto-add-overlay\
--java\
/Users/quantum/QuantumPilot/android/feature/build/generated/not_namespaced_r_class_sources/debugFeature/processDebugFeatureResources/r\
--proguard\
/Users/quantum/QuantumPilot/android/feature/build/intermediates/proguard-rules/feature/debug/aapt_rules.txt\
--custom-package\
quantumpilot.quantumproductions.com.quantumpilot.feature\
-0\
apk\
--allow-reserved-package-id\
--package-id\
0x7e\
-I\
/Users/quantum/QuantumPilot/android/base/build/intermediates/processed_res/debugFeature/processDebugFeatureResources/out/resources-debugFeature.ap_\
--no-version-vectors
Daemon: AAPT2 aapt2-3.2.1-4818971-osx Daemon #0
```