Technical requirements for WebView
To help you provide a quality user experience, Google has developed technical specifications for sites displaying Google ads. Review the list of detailed technical requirements:
Use supported languages
- Google publisher products do not support all languages. Applications for participation in these programs can be for sites with content primarily in the supported languages for ad serving.
Format requirements WebView
- Ad Exchange display ads are not supported through all WebView technologies. App developers who want to monetize by publishing AdSense for Content and Ad Exchange display ads through a WebView must use one of the following supported viewing frames:
- Android: Chrome Custom tab
- iOS: SFSafariViewController (iOS9 and iOS10 only)
- Ad Exchange in-app ads may be shown in an app next to a WebView as long as the Google Mobile Ads SDK is in use and the publisher is compliant with all other Ad Exchange program policies.