AChartEngine (achartengine.org) is good. Supports stacked bar charts, and is open source (Apache 2.0 license).
Hope that helps, - C -- You received this message because you are subscribed to the Google Groups "Android Discuss" group. To view this discussion on the web visit https://groups.google.com/d/msg/android-discuss/-/PEZxDQWjyl4J. To post to this group, send email to android-discuss@googlegroups.com. To unsubscribe from this group, send email to android-discuss+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/android-discuss?hl=en.