Android Developers Docs Reference androidx.heifwriter Classes HeifWriter This class writes one or more still images (of the same dimensions) into a heif file. HeifWriter.Builder Builder class for constructing a HeifWriter object from specified parameters. R Classes HeifWriter HeifWriter.Builder R 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 May 8, 2018.