Admob doesn't load ads for iOS 10 iMessage app extension

Question

Instead, just a blank view is appearing.

Here's how I load the ad request:

GADMobileAds.configure(withApplicationID: "ca-app-pub-9213331484438711~8534798836") // actual app id
bannerView.delegate = self
bannerView.rootViewController = self
bannerView.adSize = kGADAdSizeLargeBanner
// unit id taken from guide: https://firebase.google.com/docs/admob/ios/quick-start
// Actual unit id doesn't work either.
bannerView.adUnitID = "ca-app-pub-3940256099942544/2934735716"
let request = GADRequest()
request.testDevices = [kDFPSimulatorID]
bannerView.layoutIfNeeded()
bannerView.load(request)

I've set Allow Arbitrary Loads to YES, but this didn't help. Delegate methods don't even get called. Am I missing something? Has anyone been able to get Admob working in an iMessage extension?

A sample project can be found here.

Answer 1

From the AdMob team as of Aug 7, 2017:

Thanks for reaching out to us. Our SDK does not support Messages extension. You can keep an eye out for our release notes or monitor our blogs if this ever changes.

Regards, Deepika Uragayala Mobile Ads SDK Team

Answer 2

I'm not sure it is possible to have ads in an app extension. Either way, there is a review guideline prohibiting it. From iAds don't work in Action Extension or Share Extension?:

Review criteria 25.3: https://developer.apple.com/app-store/review/guidelines/#advertising

• 25.3: Apps hosting extensions that include marketing, advertising, or in-app purchases in their extension view will be rejected