Blockly is a library for building drag-and-drop visual editors for JavaScript and other programming languages. Blockly for Android is a developer preview of Blockly's editor built with standard Android views and fragments, offering more responsive touch performance and easier integration in Android apps.

Get started building your own Android app using Blockly.

Google is proud to offer Blockly for Android for free and open source under the Apache License, version 2.0.

Want to contribute? Great! First, read our guidelines for contributors.