積み上げグラフに挑戦:Androidplot

MainActivity.java

package com.example.androidplottest;

import java.text.DecimalFormat;
import java.util.Arrays;

import com.androidplot.ui.SizeLayoutType;
import com.androidplot.ui.SizeMetrics;
import com.androidplot.xy.BarFormatter;
import com.androidplot.xy.BarRenderer;
import com.androidplot.xy.BarRenderer.BarWidthStyle;
import com.androidplot.xy.BoundaryMode;
import com.androidplot.xy.SimpleXYSeries;
import com.androidplot.xy.XYPlot;
import com.androidplot.xy.XYSeries;

import android.os.Bundle;
import android.app.Activity;
import android.graphics.Color;
import android.util.Log;
import android.view.Menu;

public class MainActivity extends Activity {

	private XYPlot plot;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		plot = (XYPlot) findViewById(R.id.aprLevelsPlot);
		
		Number[] series1Numbers10 = {2, null, 5, 2, 7, 4, 3, 7, 4, 5};
		Number[] series2Numbers10 = {4, 6, 3, null, 2, 0, 7, 4, 5, 4};
		Number[] series1Numbers = series1Numbers10;
		Number[] series2Numbers = series2Numbers10;
		    
		XYSeries  series1 = new SimpleXYSeries(Arrays.asList(series1Numbers), SimpleXYSeries.ArrayFormat.Y_VALS_ONLY, "Us");
		XYSeries  series2 = new SimpleXYSeries(Arrays.asList(series2Numbers), SimpleXYSeries.ArrayFormat.Y_VALS_ONLY, "Them");
		
		plot.addSeries(series1, new BarFormatter(Color.BLUE, Color.BLACK));
		plot.addSeries(series2, new BarFormatter(Color.RED, Color.BLACK)); 
		
		plot.setDomainStepValue(10);
		plot.setDomainLabel("X軸ラベル");

		plot.setRangeBoundaries(0, 10, BoundaryMode.FIXED);//Y軸　0-10
		plot.setRangeValueFormat(new DecimalFormat("0"));//整数
		
		plot.setDomainValueFormat(new DecimalFormat("0"));//X軸目盛整数
		
		//グリッド
		plot.setGridPadding(20, 10, 20, 0);//left, top, right, bottom　グリッドのパディング
		plot.setPlotPaddingBottom(10);//ビューのパディング
		plot.getGraphWidget().setMarginBottom(10);//グラフと凡例の隙間
		//凡例の調整
		plot.getLegendWidget().setSize(new SizeMetrics (20, SizeLayoutType.ABSOLUTE, 100, SizeLayoutType.ABSOLUTE ));

		//BarRenderer の取得　変更
		 BarRenderer<?> barRenderer = (BarRenderer<?>) plot.getRenderer(BarRenderer.class);
		 if(barRenderer != null) {
			 Log.v("----","OK");
			 barRenderer.setBarWidth(10);
			 //barRenderer.get
			 barRenderer.setBarWidthStyle(BarWidthStyle.FIXED_WIDTH);
			 //barRenderer.setBarGap(-30);
		 }		 	
	}

	@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;
	}

}