OpenIntents

kiChart is a chart solutions on android platform, you can use it to create your android chart applications. It’s easy to use, effectively and powerfully. It will save your valuable time in developing.
Features: kiChart provides set of the basic used chart types, (1) Line Chart (2) Bar Chart (3) Pie Chart
Other functions: (1) Support multiple series. (2) Export chart as image file. (3) Define the parameters: margin, size, font color, font size and etc. (4) More controls on y-axis values, you can set float type of value, start-value and end-value.

http://www.kidroid.com/kichart/