Dotted dash line in GraphView

I want a dotted line, as described in the official documentation:

    futureSeries.setDrawDataPoints(true);

    Paint paint = new Paint();
    paint.setStyle(Paint.Style.STROKE);
    paint.setStrokeWidth(10);
    paint.setPathEffect(new DashPathEffect(new float[]{8, 5}, 0));
    futureSeries.setCustomPaint(paint);

    graph.addSeries(futureSeries);

build.gradle:

   compile 'com.jjoe64:graphview:4.2.1'

The result is not a dotted line:

Something like this would be okay: