Android Developers Docs Reference added in version 22.1.0 android.support.v4.print Interfaces PrintHelper.OnPrintFinishCallback Callback for observing when a print operation is completed. Classes PrintHelper Helper for printing bitmaps. Interfaces PrintHelper.OnPrintFinishCallback Classes PrintHelper 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 April 17, 2018.