Create Achartengine Timechart Using Time In Y-axis

I have some data representing answered questions in particular time e.g. Question 1 answered in 00:00:20. I am trying to use AChartEngine to represent this but with no luck. First

Solution 1:

The TimeChart displays formatted date labels on the X axis. It seems like you need to do that on the Y axis.

Just create a regular LineChart and add custom labels on the Y axis:

// disable the default Y labels first
renderer.setYLabels(0);
// add several custom labels
renderer.addYTextLabel(y, "label");