B4J Question graphics in html

[MbedAndroid]

i'm looking for a smart way to present graphics in a html page using the rasp.
I know google graphs, but is there some code to do this internal in code?
someone has done this before?

 

[MbedAndroid]

just found this topic, it is a good start
https://www.b4x.com/android/forum/threads/server-google-charts-service.39148/