如何在android中提及条形图的条之间的空间?
提前致谢!..
上面的图片会让你清楚我的怀疑。即。
蓝色条实际上不适合对应的 x 轴值,这里是 (Ord_1,Ord_2,Ord_3,Ord_4)。
我需要显示这些带有 x 轴值的条形。如何做到这一点?
请在下面找到我的来源
条形图.java
public class BarChart extends Activity
{
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
Intent intent = createIntent();
startActivity(intent);
}
public Intent createIntent()
{
String[] titles = new String[] { "Profits per order", " " };
List<double[]> values = new ArrayList<double[]>();
values.add(new double[] { 6, 9, 21, 3 });
values.add(new double[] { 0, 0, 0, 0});
int[] colors = new int[] { Color.BLUE, Color.BLACK };
XYMultipleSeriesRenderer renderer = buildBarRenderer(colors);
renderer.setOrientation(Orientation.HORIZONTAL);
setChartSettings(renderer, "Profit of the year 2012", " ", " ", 0,30, 0,30, Color.GRAY, Color.LTGRAY);
renderer.setXLabels(1);
renderer.setYLabels(10);
renderer.addXTextLabel(2.75, "Ord_1");
renderer.addXTextLabel(6.75, "Ord_2");
renderer.addXTextLabel(10.75, "Ord_3");
renderer.addXTextLabel(14.75,"Ord_4");
renderer.setBarSpacing(-1.75);
int length = renderer.getSeriesRendererCount();
for (int i = 0; i < length; i++)
{
SimpleSeriesRenderer seriesRenderer = renderer.getSeriesRendererAt(i);
seriesRenderer.setDisplayChartValues(false);
}
return ChartFactory.getBarChartIntent(this, buildBarDataset(titles, values), renderer,
Type.DEFAULT);
}
protected XYMultipleSeriesRenderer buildBarRenderer(int[] colors)
{
// creates a SeriesRenderer and initializes it with useful default values as well as colors
XYMultipleSeriesRenderer renderer = new XYMultipleSeriesRenderer();
renderer.setAxisTitleTextSize(16);
renderer.setChartTitleTextSize(20);
renderer.setLabelsTextSize(15);
renderer.setLegendTextSize(15);
int length = colors.length;
for (int i = 0; i < length; i++)
{
SimpleSeriesRenderer r = new SimpleSeriesRenderer();
r.setColor(colors[i]);
renderer.addSeriesRenderer(r);
}
return renderer;
}
protected void setChartSettings(XYMultipleSeriesRenderer renderer, String title, String xTitle,
String yTitle, double xMin, double xMax, double yMin, double yMax, int axesColor,
int labelsColor)
{
// sets lots of default values for this renderer
renderer.setChartTitle(title);
renderer.setXTitle(xTitle);
renderer.setYTitle(yTitle);
renderer.setXAxisMin(xMin);
renderer.setXAxisMax(xMax);
renderer.setYAxisMin(yMin);
renderer.setYAxisMax(yMax);
renderer.setAxesColor(axesColor);
renderer.setLabelsColor(labelsColor);
renderer.setApplyBackgroundColor(true);
renderer.setBackgroundColor(Color.BLACK);
}
protected XYMultipleSeriesDataset buildBarDataset(String[] titles, List<double[]> values)
{
// adds the axis titles and values into the dataset
XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
int length = titles.length;
for (int i = 0; i < length; i++)
{
CategorySeries series = new CategorySeries(titles[i]);
double[] v = values.get(i);
int seriesLength = v.length;
for (int k = 0; k < seriesLength; k++)
{
series.add(v[k]);
}
dataset.addSeries(series.toXYSeries());
}
return dataset;
}
}