小程序源码 折线图.rar

package com.activity.main; import java.util.Random; import org.achartengine.ChartFactory; import org.achartengine.chart.PointStyle; import org.achartengine.model.XYMultipleSeriesDataset; import org.achartengine.model.XYSeries; import org.achartengine.renderer.XYMultipleSeriesRenderer; import org.achartengine.renderer.XYSeriesRenderer; import android.app.Activity; import android.content.Intent; import android.graphics.Color; import android.os.Bundle; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); // 1, 构造显示用渲染图 XYMultipleSeriesRenderer renderer = new XYMultipleSeriesRenderer(); // 2,进行显示 XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset(); // 2.1, 构建数据 Random r = new Random(); for (int i = 0; i < 2; i++) { XYSeries series = new XYSeries("test" + (i + 1)); // 填充数据 for (int k = 0; k < 10; k++) { // 填x,y值 series.add(k, 20 + r.nextInt() % 100); } // 需要绘制的点放进dataset中 dataset.addSeries(series); } // 3, 对点的绘制进行设置 XYSeriesRenderer xyRenderer = new XYSeriesRenderer(); // 3.1设置颜色 xyRenderer.setColor(Color.BLUE); // 3.2设置点的样式 xyRenderer.setPointStyle(PointStyle.SQUARE); // 3.3, 将要绘制的点添加到坐标绘制中 renderer.addSeriesRenderer(xyRenderer); // 3.4,重复 1~3的步骤绘制第二个系列点 xyRenderer = new XYSeriesRenderer(); xyRenderer.setColor(Color.RED); xyRenderer.setPointStyle(PointStyle.CIRCLE); renderer.addSeriesRenderer(xyRenderer); // Intent intent = new LinChart().execute(this); Intent intent = ChartFactory .getLineChartIntent(this, dataset, renderer); startActivity(intent); } }