如何在Android中以编程方式绘制条形图？

Question

可以根据x和y轴上的数据绘制Android中的任何图形条形图

Answer 1

charts4j是另一个很好的图表API。它使用Google图表服务器生成图表并将其作为图像返回给您。

Answer 2

我已经在过去成功使用过AndroidPlot来做线图，但它们也支持条形图。你可以给这个镜头。

Answer 3

我认为这librairy可以帮助你：achartengine

Answer 4

public class BarchartsampleActivity extends Activity { 
    /** Called when the activity is first created. */ 

    static XYMultipleSeriesDataset dataset; 
    static XYMultipleSeriesRenderer renderer; 
    static XYSeriesRenderer rendererSeries; 
    static CategorySeries series; 
    static GraphicalView mChartView; 
    String xvalstring1,xvalstring2,xvalstring3,xvalstring4,xvalstring5; 
    int xvalint1,xvalint2,xvalint3,xvalint4,xvalint5; 


    public void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.main); 
     LinearLayout layout = (LinearLayout) findViewById(R.id.linearlayout); 
     Intent intent=getIntent(); 
     xvalstring1=intent.getStringExtra("xvalstring1").toString().trim(); 
     xvalstring2=intent.getStringExtra("xvalstring2").toString().trim(); 
     xvalstring3=intent.getStringExtra("xvalstring3").toString().trim(); 
     xvalstring4=intent.getStringExtra("xvalstring4").toString().trim(); 
     xvalstring5=intent.getStringExtra("xvalstring5").toString().trim();  
     xvalint1=Integer.parseInt(xvalstring1); 
     xvalint2=Integer.parseInt(xvalstring2); 
     xvalint3=Integer.parseInt(xvalstring3); 
     xvalint4=Integer.parseInt(xvalstring4); 
     xvalint5=Integer.parseInt(xvalstring5); 

    String[] titles = new String[] { "USER INPUTS" }; 
     List<double[]> x = new ArrayList<double[]>(); 
     x.add(new double[] { 1, 2, 3, 4, 5}); 
     List<double[]> values = new ArrayList<double[]>(); 
     values 
       .add(new double[] { xvalint1,xvalint2,xvalint3,xvalint4,xvalint5 }); 
     dataset = new XYMultipleSeriesDataset(); 
     renderer = new XYMultipleSeriesRenderer(); 
     renderer.setChartTitle("USER INPUTS"); 
     renderer.setXTitle("X"); 
     renderer.setYTitle("Y"); 
     renderer.setXLabelsAlign(Align.RIGHT); 
     renderer.setYLabelsAlign(Align.RIGHT); 
     renderer.setXAxisMin(0); 
     renderer.setXAxisMax(10); 
     renderer.setYAxisMin(0); 
     renderer.setYAxisMax(40); 
     renderer.setClickEnabled(false); 
     renderer.setExternalZoomEnabled(false); 
     renderer.setZoomButtonsVisible(true); 
     renderer.setPanLimits(new double[] { 0,5,0,100 }); 
     renderer.setZoomLimits(new double[] { -10, 20, -10, 40 }); 
     renderer.setShowGrid(true); 
     /*renderer.setPanEnabled(false, false); 
     renderer.setZoomEnabled(false, false);*/ 
     renderer.setBarSpacing(1.5); 
     renderer.setLabelsColor(Color.BLUE); 
     renderer.setAxisTitleTextSize(16); 
     renderer.setChartTitleTextSize(20); 
     renderer.setLabelsTextSize(15); 
     renderer.setLegendTextSize(15); 
     renderer.setMargins(new int[] {20, 30, 15, 20}); 
     renderer.setBackgroundColor(Color.GREEN); 
     renderer.setMarginsColor(Color.GREEN); 
     rendererSeries = new XYSeriesRenderer(); 
     rendererSeries.setColor(Color.GREEN); 
     rendererSeries.setDisplayChartValues(true); 
     renderer.addSeriesRenderer(rendererSeries); 

     if (mChartView == null) { 
      Log.d("Oncreate ", "if (mChartView == null)"); 
      mChartView = ChartFactory.getBarChartView(this, mDataset(titles, 
        x, values), renderer, Type.DEFAULT); 
      layout.addView(mChartView, new LayoutParams(
        LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT)); 

     } else { 
//   mChartView.repaint(); 
      Log.d("Oncreate ", "if (mChartView != null)"); 
     } 
    }  
    private XYMultipleSeriesDataset mDataset(String[] titles, 
      List<double[]> xValues, List<double[]> yValues) { 
     // TODO Auto-generated method stub 
     XYMultipleSeriesDataset dataset1 = new XYMultipleSeriesDataset(); 
     addXYSeries(dataset1, titles, xValues, yValues, 0); 
     return dataset1; 
    } 
    private void addXYSeries(XYMultipleSeriesDataset dataset, String[] titles, 
      List<double[]> xValues, List<double[]> yValues, int scale) { 
     // TODO Auto-generated method stub 

     int length = titles.length; 
     for (int i = 0; i < length; i++) { 
      XYSeries series = new XYSeries(titles[i], scale); 
      double[] xV = xValues.get(i); 
      double[] yV = yValues.get(i); 
      int seriesLength = xV.length; 
      for (int k = 0; k < seriesLength; k++) { 
       series.add(xV[k], yV[k]); 



      } 
      dataset.addSeries(series); 
     } 

    } 
}