I am trying to find a fast and reliable charting library. After some searching, I found 4 libraries: AChartEngine [warning! official website is down and redirects to virus filled website!], WilliamChart, HelloCharts and AndroidPlot. I need some up to date feedback about the performance and the stability of these libraries because all the information I could find was outdated.
You can use MPAndroidChart.
It's native, free, easy to use, fast and reliable.
Core features, benefits:
Drawbacks:
Disclaimer: I am the developer of this library.