Unable to load admob ads using custom-tabs solution

郑小飞

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Aug 20, 2025, 5:25:29 AMAug 20

to Google Mobile Ads SDK Developers

Hello, I'm using custom tabs on Android to load the page URL (https://developers.google.cn/admob/android/browser/custom-tabs?hl=zh-cn#java) and have also added the following settings (https://developers.google.com/ad-placement/docs/example?hl=zh-cn#support_mobile_apps). Admob ads are initialized successfully, but I'm unable to play them. I observed in logcat that there's a prompt "unable to start service Intent { cmp=com.minigamecloud.center2/androidx.browser.customtabs.PostMessageService } U=0: not found". What could be the cause?

Mobile Ads SDK Forum Advisor

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Aug 20, 2025, 11:41:02 AMAug 20

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Hi,

Thank you for contacting the Mobile Ads SDK Support team.

Based on the details provided, this issue may be occurring due to a missing service class declaration in your app AndroidManifest.xml file. Could you please share the sample project which replicates the issue via reply to author option? for further investigation.

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