Firebase Docs Reference com.google.firebase.inappmessaging.display Classes FirebaseInAppMessagingDisplay The entry point of the Firebase In App Messaging display SDK. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated March 6, 2019.