我在多进程中使用AdMob横幅广告。在低于29的API版本上运行良好，但在android-P上却出现此错误。
com.google.android.gms.ads.internal.webview.s: Webview initialization failed.
at com.google.android.gms.ads.internal.webview.o.a(:com.google.android.gms.policy_ads_fdr_dynamite@6000@6000.204543870.204543870:5)
at com.google.android.gms.ads.internal.i.a(:com.google.android.gms.policy_ads_fdr_dynamite@6000@6000.204543870.204543870:6)
at com.google.android.gms.ads.internal.y.a(:com.google.android.gms.policy_ads_fdr_dynamite@6000@6000.204543870.204543870:4)
at com.google.android.gms.ads.internal.l.run(:com.google.android.gms.policy_ads_fdr_dynamite@6000@6000.204543870.204543870:11)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at com.google.android.gms.ads.internal.util.f.dispatchMessage(:com.google.android.gms.policy_ads_fdr_dynamite@6000@6000.204543870.204543870:1)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6669)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
Caused by: java.lang.RuntimeException: Using WebView from more than one process at once with the same data directory is not supported. https://crbug.com/558377
我已经在应用程序类中初始化了MobileAds。我还尝试在其他使用广告但没有运气的过程中进行初始化。