Should I use different AdMob Ad Units ID in different Activities?

android android-activity admob
user1903 picture user1903 · Aug 31, 2014 · Viewed 23.6k times · Source

Should I use the same Ad Unit ID for all the ads in my app or should I get one ID per Activity?

Answer

Nana Ghartey picture Nana Ghartey · Aug 31, 2014

You can use one Ad Unit ID for all banner ads within your app and a different Ad Unit ID for all interstitial ads within the same app.

Thus, if your app contains only banner ads, it can have only one Ad Unit ID. If your app contains banner and interstitial ads, it can have two Ad Unit IDs.

However, according to the official admob guide, YES! you can use one ID per activity:

An Ad Unit ID is a unique identifier given to the places in your app where ads are displayed. If you have an app with two activities, for example, each displaying a banner, you need two ad units, each with its own ID.

For reporting sake, use different ad unit for each application. This helps you know how each application is performing in regards to eCPMs, requests and clicks. It will help you understand the market, adjust or improve your apps as needed.

It's not against the policy if that's what you want. (Check this thread)

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