Populating achartengine graph from database

I've been researching this and not finding much out there--probably because it's very simple. I'm trying to populate a bar chart in agraphengine from a cursor that I have. I have confirmed that the cur开发者_如何学JAVAsor pulls back 30 rows (expected), but I don't know where to go from there.

Here is my array that I'm populating:

    public static List<double[]> getChartData(int iDays){
    List<double[]> values = new ArrayList<double[]>(); 

//cursor returns expected 30 results

    Cursor graphData = db.query(CS_Table, new String [] {"count(*)-1"}, null, null, "strftime('%Y-%m-%d',  " + Time + ")", "strftime('%Y-%m-%d', " + CS_Drink_Time + ") BETWEEN strftime('%Y-%m-%d', date('now','-" + iDays + " day')) and strftime('%Y-%m-%d','now')", Time , null); 

    for(graphData.moveToFirst(); graphData.moveToNext(); graphData.isAfterLast()) {
        values.add(new double[] {graphData.getInt(0)});
        graphData.moveToNext();
        }

    graphData.close();
    return values;  
}

And here is what is calling the function--from achartengine:

 public Intent execute(Context context) {
    String[] titles = new String[] { "total" };
   List<double[]> values = new ArrayList<double[]>(DBhelper.getChartData(30));
values.addAll(DBhelper.getChartData(30));   
    int[] colors = new int[] { Color.BLUE};
    XYMultipleSeriesRenderer renderer = buildBarRenderer(colors);
    setChartSettings(renderer, "Drinks in the past " + DBhelper.getChartData(30) + " days", "Date", DBhelper.CS_YDrinks, 0,
        /*y axis*/32, 0, /*x axis*/10, Color.GRAY, Color.LTGRAY);
    renderer.setXLabels(12);
    renderer.setYLabels(10);
    renderer.setDisplayChartValues(true);
    renderer.setXLabelsAlign(Align.LEFT);
    renderer.setYLabelsAlign(Align.LEFT);
    // renderer.setPanEnabled(false);
    // renderer.setZoomEnabled(false);
    renderer.setZoomRate(1.1f);
    renderer.setBarSpacing(0.5);
    return ChartFactory.getBarChartIntent(context, buildBarDataset(titles, values), renderer,
        Type.STACKED);

The symptom is that it seems to only pull the first number from the array list as it will only plot one bar. Any suggestions are appreciated.

You need to put a corresponding value to match each bar in your string and color arrays. You are probably seeing only one blue bar with the title "total".