How create a graph of battery? [closed]

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I wish create a graph of battery usage in my application..How can i do it? I only want a simple graph not a complicated thing. I've seen about this site http://www.achartengine.org/ but i don't understand how use it.

Answer 1

The last time I needed to draw a graph, I used the GraphView library:

https://github.com/jjoe64/GraphView

It's easy to use and you have a demo application here:

https://github.com/jjoe64/GraphView-Demos

Try it out and report.