AFreeChartで積立グラフ

MainActivity.java

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;
	}

}