Android Developers Docs Reference added in version 1.0.0 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 Content and code samples on this page are subject to the licenses described in the Content License. Java is a registered trademark of Oracle and/or its affiliates. Last updated August 8, 2018.