android 图表引擎AChartEngine(线性图)

使用方法参考前面柱状图，下面定义线性图类
package com.example.test.achartengine;import java.util.ArrayList;import java.util.List;import org.achartengine.ChartFactory;import org.achartengine.chart.PointStyle;import org.achartengine.model.XYMultipleSeriesDataset;import org.achartengine.renderer.XYMultipleSeriesRenderer;import org.achartengine.renderer.XYSeriesRenderer;import android.content.Context;import android.graphics.Color;import android.graphics.Paint.Align;import android.view.View;public class LinearChart {public AbstractDemoChart abstractDemoChart;public XYMultipleSeriesRenderer renderer;public XYMultipleSeriesDataset dataset;private String[] titles;private List<double[]> Xvalues = new ArrayList<double[]>();private List<double[]> Yvalues = new ArrayList<double[]>();private int[] colors;private PointStyle[] styles;public LinearChart(Context context) {abstractDemoChart = new AbstractDemoChart();init();}private void init() {titles = new String[] { "Monday", "Tuesday", "Wednesday", "Thursday" };for (int i = 0; i < titles.length; i++) {Xvalues.add(new double[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 });}Yvalues.add(new double[] { 12.3, 12.5, 13.8, 16.8, 20.4, 24.4, 26.4, 26.1, 23.6, 20.3, 17.2, 13.9 });Yvalues.add(new double[] { 10, 10, 12, 15, 20, 24, 26, 26, 23, 18, 14, 11 });Yvalues.add(new double[] { 5, 5.3, 8, 12, 17, 22, 24.2, 24, 19, 15, 9, 6 });Yvalues.add(new double[] { 9, 10, 11, 15, 19, 23, 26, 25, 22, 18, 13, 10 });colors = new int[] { Color.RED, Color.GREEN, Color.BLUE, Color.YELLOW };styles = new PointStyle[] { PointStyle.CIRCLE, PointStyle.DIAMOND, PointStyle.TRIANGLE, PointStyle.SQUARE };renderer = abstractDemoChart.buildRenderer(colors, styles);dataset = abstractDemoChart.buildDataset(titles, Xvalues, Yvalues);//dataset.addSeries(series);}public View execute(Context context) {int lenght = renderer.getSeriesRendererCount();for (int i = 0; i < lenght; i++) {((XYSeriesRenderer) renderer.getSeriesRendererAt(i)).setFillPoints(true);}abstractDemoChart.setChartSettings(renderer, "Temperatuer", "Week", "Temp", 0, 13, -10, 30, Color.LTGRAY, Color.LTGRAY);renderer.setXLabels(12);renderer.setYLabels(10);renderer.setShowGrid(true);renderer.setXLabelsAlign(Align.RIGHT);renderer.setYLabelsAlign(Align.RIGHT);renderer.setZoomButtonsVisible(false);renderer.setPanEnabled(true, false); // 左右移动renderer.setPanLimits(new double[] { -10, 20, -10, 40 });renderer.setZoomLimits(new double[] { -10, 20, -10, 40 });// XYSeries series = dataset.getSeriesAt(0);// series.addAnnotation("Vacation", 6, 30);return ChartFactory.getLineChartView(context, dataset, renderer);}}
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