Google blockly

Google github repo:

https://github.com/google/blockly-android

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.
Blockly has an active developer forum. Please drop by and say hello. Show us your prototypes early; collectively we have a lot of experience and can offer hints which will save you time.
Google官方论坛:
https://groups.google.com/forum/#!forum/blockly
Google开发指引:
https://developer.google.com/blockly/guides/get-started/android

其他资源

1.http://www.360doc.com/content/17/0627/06/43102440_666823178.shtml
整体介绍blockly各个模块的含义,组件分为哪几类,基本如何使用以及效果展示.
2.http://blog.csdn.net/xinleiweikai/article/details/61916633
blockly在Android上面的部署,接口介绍和使用介绍等(自定义block的方法等).
3.