AFreeChartで積立グラフ :AFreeChart

	package com.example.afreechart;
	import org.afree.chart.AFreeChart;
	import org.afree.chart.axis.NumberAxis;
	import org.afree.chart.plot.XYPlot;
	import org.afree.chart.renderer.xy.StackedXYBarRenderer;
	import org.afree.data.xy.DefaultTableXYDataset;
	import org.afree.data.xy.XYSeries;
	import android.os.Bundle;
	import android.app.Activity;
	import android.view.Menu;
	public class MainActivity extends Activity {
	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_main);
	XYSeries series1 = new XYSeries("First", true, false);
	series1.add(1, 10);
	series1.add(2, 0);
	series1.add(3, 30);
	series1.add(4, 40);
	series1.add(5, 50);
	XYSeries series2 = new XYSeries("Second", true, false);
	series2.add(1, 50);
	series2.add(2, 40);
	series2.add(3, 30);
	series2.add(4, 20);
	series2.add(5, 10);
	DefaultTableXYDataset dataset = new DefaultTableXYDataset();
	dataset.addSeries(series1);
	dataset.addSeries(series2);
	// X軸の定義
	NumberAxis domainAxis = new NumberAxis("X軸");
	// Y軸の定義
	NumberAxis rangeAxis = new NumberAxis("Y軸");
	// 折れ線の定義
	//XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer();
	StackedXYBarRenderer renderer = new StackedXYBarRenderer();
	renderer.setMargin(0.2);
	renderer.setShadowVisible(false);//影
	XYPlot plot = new XYPlot(dataset, domainAxis, rangeAxis, renderer);
	AFreeChart chart = new AFreeChart(plot);
	NumberAxis numberAxis = (NumberAxis) plot.getDomainAxis();
	numberAxis.setLowerBound(0);
	numberAxis.setUpperBound(6);
	GraphView spcv = (GraphView) findViewById(R.id.graphView1);
	spcv.setChart(chart);
	}
	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
	// Inflate the menu; this adds items to the action bar if it is present.
	getMenuInflater().inflate(R.menu.main, menu);
	return true;
	}
	}

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