How to make line with rounded (smooth) corners with AndroidPlot

Question

I have a small problem with ploting my graph. On a picture below is what I have already done.

---

The graph should represent the actual signal strength of availabl

Answer 1

There's always been a smooth line renderer in Androidplot: BezierLineAndPointRenderer, which like the implementations above uses Android's built in Bezier drawing routines cubicTo(...) & quadTo(...). The problem is that using Beziers to draw smooth lines in this way creates a false line that overshoots the actual control points by varying amounts, which you can see happening if you look closely at the image above.

The solution is to use the Catmull-Rom spline interpolation, which is now finally supported by Androidplot. Details here: http://androidplot.com/smooth-curves-and-androidplot/