Products Google APIs for Android Reference com.google.android.gms.nearby.messages.audio Classes AudioBytes A message that will be sent directly over near-ultrasound audio. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 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 August 14, 2017.