/**
* DESCRIPTION: Creates the graph.
*
* @see android.app.Activity#onCreate(android.os.Bundle)
*/
public void onCreate(Bundle savedInstanceState, Activity parent, XYPlot xyplot) {
this.activity = parent;
this.plot = xyplot;
// get current units of measurement
units = new Units(Settings.KEY_UNITS);
// create a formatter to use for drawing the plot series
plotFormatter =
new BarFormatter(
activity.getResources().getColor(R.color.plot_fill_color),
activity.getResources().getColor(R.color.plot_line_color));
// create a formatter for average label
float hOffset = 50f;
float vOffset = -10f;
avgLabelFormatter =
new PointLabelFormatter(
activity.getResources().getColor(R.color.plot_avgline_color), hOffset, vOffset);
// create a formatter to use for drawing the average line
avgFormatter =
new LineAndPointFormatter(
activity.getResources().getColor(R.color.plot_avgline_color),
null,
null,
avgLabelFormatter);
// white background for the plot
plot.getGraphWidget().getGridBackgroundPaint().setColor(Color.WHITE);
// remove the series legend
plot.getLayoutManager().remove(plot.getLegendWidget());
// make room for bigger labels
// TODO: is there a better way to do this?
float width = plot.getGraphWidget().getRangeLabelWidth() * 2f;
plot.getGraphWidget().setRangeLabelWidth(width);
width = plot.getGraphWidget().getDomainLabelWidth() * 1.5f;
plot.getGraphWidget().setDomainLabelWidth(width);
float margin = plot.getGraphWidget().getMarginTop() * 3f;
plot.getGraphWidget().setMarginTop(margin);
margin = plot.getGraphWidget().getMarginBottom() * 3f;
plot.getGraphWidget().setMarginBottom(margin);
// define plot axis labels
plot.setRangeLabel(units.getLiquidVolumeLabel());
plot.setDomainLabel(activity.getString(R.string.months_label));
// specify format of axis value labels
plot.setRangeValueFormat(ylabels);
plot.setDomainValueFormat(xlabels);
// plot the data
drawPlot();
}
@Override
public void onCreate(Bundle savedInstanceState) {
// android boilerplate stuff
super.onCreate(savedInstanceState);
setContentView(R.layout.dynamicxyplot_example);
// get handles to our View defined in layout.xml:
dynamicPlot = (XYPlot) findViewById(R.id.dynamicXYPlot);
plotUpdater = new MyPlotUpdater(dynamicPlot);
// only display whole numbers in domain labels
dynamicPlot.getGraphWidget().setDomainValueFormat(new DecimalFormat("0"));
// getInstance and position datasets:
data = new SampleDynamicXYDatasource();
SampleDynamicSeries sine1Series = new SampleDynamicSeries(data, 0, "Sine 1");
SampleDynamicSeries sine2Series = new SampleDynamicSeries(data, 1, "Sine 2");
LineAndPointFormatter formatter1 =
new LineAndPointFormatter(Color.rgb(0, 0, 0), null, null, null);
formatter1.getLinePaint().setStrokeJoin(Paint.Join.ROUND);
formatter1.getLinePaint().setStrokeWidth(10);
dynamicPlot.addSeries(sine1Series, formatter1);
LineAndPointFormatter formatter2 =
new LineAndPointFormatter(Color.rgb(0, 0, 200), null, null, null);
formatter2.getLinePaint().setStrokeWidth(10);
formatter2.getLinePaint().setStrokeJoin(Paint.Join.ROUND);
// formatter2.getFillPaint().setAlpha(220);
dynamicPlot.addSeries(sine2Series, formatter2);
// hook up the plotUpdater to the data model:
data.addObserver(plotUpdater);
// thin out domain tick labels so they dont overlap each other:
dynamicPlot.setDomainStepMode(XYStepMode.INCREMENT_BY_VAL);
dynamicPlot.setDomainStepValue(5);
dynamicPlot.setRangeStepMode(XYStepMode.INCREMENT_BY_VAL);
dynamicPlot.setRangeStepValue(10);
dynamicPlot.setRangeValueFormat(new DecimalFormat("###.#"));
// uncomment this line to freeze the range boundaries:
dynamicPlot.setRangeBoundaries(-100, 100, BoundaryMode.FIXED);
// create a dash effect for domain and range grid lines:
DashPathEffect dashFx =
new DashPathEffect(new float[] {PixelUtils.dpToPix(3), PixelUtils.dpToPix(3)}, 0);
dynamicPlot.getGraphWidget().getDomainGridLinePaint().setPathEffect(dashFx);
dynamicPlot.getGraphWidget().getRangeGridLinePaint().setPathEffect(dashFx);
}
