显示在android的条之间的空间 [英] Showing spaces between bars in android

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本文介绍了显示在android的条之间的空间的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

如何提条形图的栏杆之间的空间在android系统?


在此先感谢!..

上面的图片会让你我的doubt.ie清晰。

蓝色酒吧实际上是不适合相应的X轴的值,这里有(Ord_1,Ord_2,Ord_3,Ord_4)。

我需要证明这些酒吧装有x轴values​​.How做到这一点?

请找我下面

来源

BarChart.java

 公共类BARCHART扩展活动
{
/ **当第一次创建活动调用。 * /
@覆盖
公共无效的onCreate(捆绑savedInstanceState)
{
    super.onCreate(savedInstanceState);
    意向意图= createIntent();
    startActivity(意向);
}公共意向createIntent()
{
    的String []标题=新的String [] {每个订单的利润,};    清单<双层[]>值=新的ArrayList<双层[]>();    values​​.add(新双[] {6,9,21,3});
    values​​.add(新双[] {0,0,0,0});
    INT [] =颜色INT新[] {Color.BLUE,Color.BLACK};    XYMultipleSeriesRenderer渲染= buildBarRenderer(颜色);
    renderer.setOrientation(Orientation.HORIZONTAL);    setChartSettings(渲染,2012年度利润,,,0,30,0,30,Color.GRAY,Color.LTGRAY);    renderer.setXLabels(1);
    renderer.setYLabels(10);    renderer.addXTextLabel(2.75Ord_1);
    renderer.addXTextLabel(6.75Ord_2);
    renderer.addXTextLabel(10.75Ord_3);
    renderer.addXTextLabel(14.75Ord_4);    renderer.setBarSpacing(-1.75);    INT长度= renderer.getSeriesRendererCount();    的for(int i = 0; I<长度;我+ +)
    {
      SimpleSeriesRenderer seriesRenderer = renderer.getSeriesRendererAt(ⅰ);
      seriesRenderer.setDisplayChartValues​​(假);
    }    返回ChartFactory.getBarChartIntent(这一点,buildBarDataset(标题,值),渲染器,
        Type.DEFAULT);
  }保护XYMultipleSeriesRenderer buildBarRenderer(INT []颜色)
{    //创建一个SeriesRenderer并提供有用的默认值,以及颜色进行初始化    XYMultipleSeriesRenderer渲染器=新XYMultipleSeriesRenderer();    renderer.setAxisTitleTextSize(16);
    renderer.setChartTitleTextSize(20);
    renderer.setLabelsTextSize(15);
    renderer.setLegendTextSize(15);    INT长度= colors.length;    的for(int i = 0; I<长度;我+ +)
    {
      SimpleSeriesRenderer R =新SimpleSeriesRenderer();
      r.setColor(颜色[I]);
      renderer.addSeriesRenderer(R);
    }
    返回渲染器;
  }保护无效setChartSettings(XYMultipleSeriesRenderer渲染,字符串title,字符串xTitle,
          串yTitle,双XMIN,双XMAX,双YMIN,双YMAX,INT axesColor,
          INT labelsColor)
{
//设置很多默认值的此渲染    renderer.setChartTitle(职称);
    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(真);
    renderer.setBackgroundColor(Color.BLACK);
}保护XYMultipleSeriesDataset buildBarDataset(的String []标题,列表与LT;双层[]>数值)
{    //添加轴标题和值到数据集    XYMultipleSeriesDataset数据=新XYMultipleSeriesDataset();
    INT长度= titles.length;    的for(int i = 0; I<长度;我+ +)
    {
      CategorySeries系列=新CategorySeries(标题[I]);
      双[] V = values​​.get(I)
      INT seriesLength = v.length;      对于(INT K = 0; K< seriesLength; k ++)
      {
        series.add(ⅴ[K]);
      }
      dataset.addSeries(series.toXYSeries());
     }
    返回的数据集;
}
}


解决方案

您在呼唤 setChartSettings 与设定的X轴的可视范围0〜30之间的一些参数同样为Y轴。你可以调整这些参数有一个更好的轻松显示。

您在呼唤 renderer.setBarSpacing()与负值。只需使用一个积极的,具有 0.5F 启动(这意味着间距等于酒吧厚度的一半),然后调整它根据您的需求。

How to mention the spaces between the bars of a bar-chart in android?

Thanks in advance!..

Above the image will make you clear about my doubt.ie,.

The blue bars are actually not fit to the corresponding x-axis values,here are (Ord_1,Ord_2,Ord_3,Ord_4).

I need to show these bars fitted with the x-axis values.How to do this?

Please find my sources below

BarChart.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;
}
}

解决方案

You are calling setChartSettings with some parameters that set the X axis visual range between 0 and 30 and the same for the Y axis. You can tweak these parameters for having a better relaxed display.

You are calling renderer.setBarSpacing() with a negative value. Just use a positive one, start with 0.5f (which means the spacing being equal to half the bar thickness) and then tweak it based on your needs.

这篇关于显示在android的条之间的空间的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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