Is a library for Android to programmatically create flexible and nice-looking diagrams. It is easy to understand, to integrate and to customize. Create Line Graphs, Bar Graphs, Point Graphs or implement your own custom types.
http://www.android-graphview.org/ https://github.com/appsthatmatter/GraphView
origin - http://www.pipiscrew.com/?p=9747 graphview-open-source-graph-plotting-library-for-android