棒グラフに挑戦 :Androidplot

とりあえず表示してみる

	<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
	xmlns:tools="http://schemas.android.com/tools"
	android:layout_width="match_parent"
	android:layout_height="match_parent" >
	<com.androidplot.xy.XYPlot
	android:id="@+id/aprLevelsPlot"
	android:layout_width="match_parent"
	android:layout_height="match_parent" />
	</LinearLayout>

view raw activity_main.xml hosted with ❤ by GitHub

	package com.example.androidplottest;
	import java.util.Arrays;
	import com.androidplot.xy.BarFormatter;
	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.view.Menu;
	public class MainActivity extends Activity {
	private XYPlot plot;
	private SimpleXYSeries aprLevelsSeries;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_main);
	plot = (XYPlot) findViewById(R.id.aprLevelsPlot);
	//aprLevelsSeries = new SimpleXYSeries("APR Levels");
	//aprLevelsSeries.useImplicitXVals();
	Number[] series1Numbers10 = {3, 8, 5};
	Number[] series1Numbers = series1Numbers10;
	XYSeries series1 = new SimpleXYSeries(Arrays.asList(series1Numbers), SimpleXYSeries.ArrayFormat.Y_VALS_ONLY, "Us");
	plot.addSeries(series1, new BarFormatter(Color.BLUE, Color.BLACK));
	plot.setRangeBoundaries(0, 10, BoundaryMode.FIXED);
	}
	@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;
	}
	}

view raw MainActivity.java hosted with ❤ by GitHub

---

QuickstartのDynamically Plotting Sensor Dataのソースを見ながら調整していく。

	package com.example.androidplottest;
	import java.text.DecimalFormat;
	import java.text.FieldPosition;
	import java.text.Format;
	import java.text.ParsePosition;
	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 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[] series1Numbers = {3, 8, 5};
	SimpleXYSeries series1 = new SimpleXYSeries(Arrays.asList(series1Numbers), SimpleXYSeries.ArrayFormat.Y_VALS_ONLY, "Sensor");
	plot.addSeries(series1, new BarFormatter(Color.BLUE, Color.BLACK));
	plot.setDomainStepValue(3);
	plot.setDomainLabel("Axis");
	plot.setRangeBoundaries(0, 10, BoundaryMode.FIXED);//Y軸　0-10
	plot.setRangeValueFormat(new DecimalFormat("0"));//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 ));
	//Y目盛り表示変更
	Format myFormat = new Format(){
	@Override
	public StringBuffer format(Object object, StringBuffer buffer, FieldPosition field) {
	// TODO Auto-generated method stub
	Number num = (Number) object;
	int roundNum = (int) num.floatValue() ;
	switch(roundNum) {
	case 0:
	buffer.append("Azimuth");
	break;
	case 1:
	buffer.append("Pitch");
	break;
	case 2:
	buffer.append("Roll");
	}
	return buffer;
	}
	@Override
	public Object parseObject(String string, ParsePosition position) {
	// TODO Auto-generated method stub
	return null;
	}};
	plot.setDomainValueFormat( myFormat );
	//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);
	}
	//データの変更
	Number[] series1NumbersNew = {8, 5, 1};
	series1.setModel(Arrays.asList(series1NumbersNew), SimpleXYSeries.ArrayFormat.Y_VALS_ONLY);
	}
	@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;
	}
	}

view raw MainActivity2.java hosted with ❤ by GitHub