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POHow to interval between values of x-axis and y-axis using achartEngine
 

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  1. POHow to interval between values of x-axis and y-axis using achartEngine
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    <p>I am using aChartEngine for graphs in android everything is fine till now...Now i wanna set the time interval between the axes values like x-axis values time interval should be 1.5 so x-axis values will be </p> <p>0, 1.5, 3, 4.5 etc...</p> <p>Can anybody tell me how to set the time interval....</p> <pre><code>public class LineGraphDemo extends Activity { XYMultipleSeriesDataset mDataSet; XYMultipleSeriesRenderer mRenderer; private GraphicalView mView; List&lt;double[]&gt; values=new ArrayList&lt;double[]&gt;(); List&lt;Date[]&gt; dates=new ArrayList&lt;Date[]&gt;(); private Date[] mDate; String s; Date d=new Date(); protected void onCreate(Bundle si){ super.onCreate(si); setContentView(R.layout.list1); s = DateFormat.format("hh:mm:ss ", d.getTime()).toString(); String str=SimpleTimeZone.getTimeZone(TimeZone.getAvailableIDs().toString()).toString(); Log.e("System date",s+" "+" "+str); mDate=new Date[]{new Date(110,10,5),new Date(109,6,1)}; values.add(new double[] { 142, 123, 142, 152, 149, 122, 110, 120, 125, 155, 146, 150 }); mDataSet=getDataSet(values); mRenderer=getRenderer(); } public void onResume(){ super.onResume(); if(mView==null){ LinearLayout lay=(LinearLayout)findViewById(R.id.chart); mView=ChartFactory.getTimeChartView(getApplicationContext(), mDataSet,mRenderer,"a"); lay.addView(mView); }else{ mView.repaint(); } } protected XYMultipleSeriesRenderer getRenderer(){ XYMultipleSeriesRenderer renderer=new XYMultipleSeriesRenderer(); renderer.setYLabelsAlign(Align.RIGHT); renderer.setAxisTitleTextSize(16); renderer.setChartTitleTextSize(20); renderer.setLabelsTextSize(15); renderer.setLegendTextSize(15); renderer.setPointSize(5f); renderer.setMargins(new int[] { 20, 30, 15, 0 }); renderer.setChartTitle("Line Graph"); renderer.setXTitle("x-axis"); renderer.setYTitle("y-axis"); //renderer.setXAxisMin(-2); //renderer.setXAxisMax(14); renderer.setXAxisMin(mDate[0].getTime()); renderer.setXAxisMax(mDate[mDate.length-1].getTime()); renderer.setYAxisMin(50); renderer.setYAxisMax(200); renderer.setXLabels(6); renderer.setYLabels(10); renderer.setAxesColor(Color.GREEN); renderer.setLabelsColor(Color.MAGENTA); renderer.setDisplayChartValues(true); XYSeriesRenderer r = new XYSeriesRenderer(); r.setColor(Color.YELLOW); r.setPointStyle(PointStyle.DIAMOND); renderer.addSeriesRenderer(r); return renderer; } protected XYMultipleSeriesDataset getDataSet(List&lt;double[]&gt; values){ XYMultipleSeriesDataset dataSet=new XYMultipleSeriesDataset(); CategorySeries series=new CategorySeries("mobile"); for (int k = 0; k &lt; values.size(); k++) { double[] xV=values.get(k); int seriesLen=xV.length; for(int l=0;l&lt;seriesLen;l++){ series.add(xV[l]); } } dataSet.addSeries(series.toXYSeries()); return dataSet; } </code></pre> <p>}</p> <p>This is my class now i want to set the interval between the dates...and it is not showing the graph...</p> <p>Thanks... Ammu</p>
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