Products Web Shows Touch in a Web App? No Problem Tap Target Size, Touch Feedback, and Touch Events; everything you need to know to build touch support into your web app. 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 February 9, 2017.