Android报achartengine再详细的介绍可以查看
http://blog.csdn.net/lk_blog/article/details/7642751
在achartengine中两种创建报表的方式
1，是在Activity中直接创建
2 是在Activity的view控件中创建（这种方式更灵活），使用achartengine中GraphicalView控件可以响应点击事件和动态数据的更新。现在只介绍在GraphicalView中创建响应点击事件
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package com.sinosoft.chartdemo;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Random;
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import org.achartengine.ChartFactory;
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import org.achartengine.GraphicalView;
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import org.achartengine.chart.PointStyle;
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import org.achartengine.model.SeriesSelection;
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import org.achartengine.model.XYMultipleSeriesDataset;
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import org.achartengine.model.XYSeries;
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import org.achartengine.renderer.XYMultipleSeriesRenderer;
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import org.achartengine.renderer.XYSeriesRenderer;
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import org.achartengine.tools.PanListener;
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import org.achartengine.tools.ZoomEvent;
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import org.achartengine.tools.ZoomListener;
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import android.app.Activity;
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import android.graphics.Color;
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import android.graphics.Paint.Align;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.View;
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import android.view.ViewGroup.LayoutParams;
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import android.widget.LinearLayout;
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import android.widget.Toast;
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/**
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* 嵌入Acitivity中的折线图
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*
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* @author jianfan
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*
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*/
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public class LineChartActivity extends BasicActivity {
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- private XYMultipleSeriesDataset mDataset;
- private XYMultipleSeriesRenderer mRenderer;
- private XYSeries mCurrentSeries;
- private XYSeriesRenderer mCurrentRenderer;
- private GraphicalView mChartView;
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- @Override
- protected void onCreate(Bundle savedInstanceState) {
- Log.i("onCreate", "onCreate");
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
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- Init();
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- }
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- /********
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* 初始化数据DataSet和Renderer
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*****/
- private void Init() {
- InitRenderer();
- InitDataSet();
- }
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- /***********
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* 初始化 XYMultipleSeriesRenderer
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**********/
- private void InitRenderer() {
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- // 每个序列的颜色设置
- int[] colors = new int[] { Color.BLUE, Color.GREEN, Color.CYAN, Color.YELLOW };
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- // 每个序列中点的形状设置
- PointStyle[] styles = new PointStyle[] { PointStyle.CIRCLE, PointStyle.DIAMOND, PointStyle.TRIANGLE, PointStyle.SQUARE };
- // 调用AbstractChart中的方法设置renderer.
- // 设置线条的颜色和点的形状
- mRenderer = buildRenderer(colors, styles);
- int length = mRenderer.getSeriesRendererCount();
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- // 设置图上线上的点为实心
- for (int i = 0; i < length; i++) {
- ((XYSeriesRenderer) mRenderer.getSeriesRendererAt(i)).setFillPoints(true);
- }
- // 调用AbstractChart中的方法设置图表的renderer属性.
- setChartSettings(mRenderer, "平均温度", "月份", "温度", 0.5, 12.5, -10, 40, Color.LTGRAY, Color.LTGRAY);
- // 设置x轴显示12个点,根据setChartSettings的最大值和最小值自动计算点的间隔
- mRenderer.setXLabels(12);
- // 设置y轴显示10个点,根据setChartSettings的最大值和最小值自动计算点的间隔
- mRenderer.setYLabels(10);
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- mRenderer.setBackgroundColor(Color.BLACK);// 设置背景颜色
- mRenderer.setApplyBackgroundColor(true); // 使背景色生效
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- mRenderer.setShowGrid(true);// 是否显示网格
- mRenderer.setXLabelsAlign(Align.RIGHT);// 刻度线与刻度标注之间的相对位置关系
- mRenderer.setYLabelsAlign(Align.RIGHT);// 刻度线与刻度标注之间的相对位置关系
- mRenderer.setZoomButtonsVisible(true);// 是否显示放大缩小按钮
- mRenderer.setPanLimits(new double[] { -10, 20, -10, 40 }); // 设置拖动时X轴Y轴允许的最大值最小值.
- mRenderer.setZoomLimits(new double[] { -10, 20, -10, 40 });// 设置放大缩小时X轴Y轴允许的最大最小值.
- }
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- /***********
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* 初始化 XYMultipleSeriesDataset
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**********/
- private void InitDataSet() {
- // 图例
- String[] titles = new String[] { "克里特岛", "科孚岛", "萨索斯岛", "斯基亚索斯岛" };
- // 每个序列中点的X坐标
- List<double[]> x = new ArrayList<double[]>();
- for (int i = 0; i < titles.length; i++) {
- x.add(new double[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 });
- }
- // titles数组中每个标识物对应的线条
- List<double[]> values = new ArrayList<double[]>();
- // 克里特岛的点的y坐标
- values.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 });
- // 科孚岛的点的y坐标
- values.add(new double[] { 10, 10, 12, 15, 20, 24, 26, 26, 23, 18, 14, 11 });
- // 萨索斯岛的点的y坐标
- values.add(new double[] { 5, 5.3, 8, 12, 17, 22, 24.2, 24, 19, 15, 9, 6 });
- // 斯基亚索斯岛的点的y坐标
- values.add(new double[] { 9, 10, 11, 15, 19, 23, 26, 25, 22, 18, 13, 10 });
- mDataset = buildDataset(titles, x, values);
- }
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- /*********************
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* 当Activity失去焦点的时候用来保存数据的方法
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*/
- @Override
- protected void onSaveInstanceState(Bundle outState) {
- Log.i("onSaveInstanceState", "onSaveInstanceState");
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- super.onSaveInstanceState(outState);
- outState.putSerializable("dataset", mDataset);
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- outState.putSerializable("renderer", mRenderer);
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- outState.putSerializable("current_series", mCurrentSeries);
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- outState.putSerializable("current_renderer", mCurrentRenderer);
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- }
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- /*********************
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* 当Activity重新获取焦点的时，取回之前保存的数据
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*/
- @Override
- protected void onRestoreInstanceState(Bundle savedInstanceState) {
- Log.i("onRestoreInstanceState", "onRestoreInstanceState");
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- super.onRestoreInstanceState(savedInstanceState);
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- mDataset = (XYMultipleSeriesDataset) savedInstanceState.getSerializable("dataset");
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- mRenderer = (XYMultipleSeriesRenderer) savedInstanceState.getSerializable("renderer");
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- mCurrentSeries = (XYSeries) savedInstanceState.getSerializable("current_series");
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- mCurrentRenderer = (XYSeriesRenderer) savedInstanceState.getSerializable("current_renderer");
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- }
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- @Override
- protected void onResume() {
- Log.i("onResume", "onResume");
- super.onResume();
- if (mChartView == null) {
- LinearLayout layout = (LinearLayout) findViewById(R.id.chart);
- mChartView = ChartFactory.getLineChartView(this, mDataset, mRenderer);
- mRenderer.setClickEnabled(true);// 设置图表是否允许点击
- // 设置点的缓冲半径值(在某点附件点击时,多大范围内都算点击这个点)
- mRenderer.setSelectableBuffer(10);
- mChartView.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View v) {
- // 这段代码处理点击一个点后,获得所点击的点在哪个序列中以及点的坐标.
- // -->start
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- SeriesSelection seriesSelection = mChartView.getCurrentSeriesAndPoint();
- double[] xy = mChartView.toRealPoint(0);
- if (seriesSelection == null) {
- Toast.makeText(LineChartActivity.this, "没有图表元素被点击", Toast.LENGTH_SHORT).show();
- } else {
- Toast.makeText(LineChartActivity.this, "图表元素系列指数 " + seriesSelection.getSeriesIndex() + " 数据点指数 " + seriesSelection.getPointIndex() + " 被点击了" + " 最近点值X=" + seriesSelection.getXValue() + ", 最近点值Y=" + seriesSelection.getValue() + " 点击点值X=" + (float) xy[0] + ", 点击点值Y=" + (float) xy[1], Toast.LENGTH_SHORT).show();
- }
- }
- // -->end
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- });
- mChartView.setOnLongClickListener(new View.OnLongClickListener() {
- @Override
- public boolean onLongClick(View v) {
- SeriesSelection seriesSelection = mChartView.getCurrentSeriesAndPoint();
- if (seriesSelection == null) {
- Toast.makeText(LineChartActivity.this, "No chart element was long pressed", Toast.LENGTH_SHORT);
- return false; // no chart element was long pressed, so
- // let something
- // else handle the event
- } else {
- Toast.makeText(LineChartActivity.this, "Chart element in series index " + seriesSelection.getSeriesIndex() + " data point index " + seriesSelection.getPointIndex() + " was long pressed", Toast.LENGTH_SHORT);
- return true; // the element was long pressed - the event
- // has been
- // handled
- }
- }
- });
- // 这段代码处理放大缩小
- // -->start
- mChartView.addZoomListener(new ZoomListener() {
- public void zoomApplied(ZoomEvent e) {
- String type = "out";
- if (e.isZoomIn()) {
- type = "in";
- }
- System.out.println("Zoom " + type + " rate " + e.getZoomRate());
- }
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- public void zoomReset() {
- System.out.println("Reset");
- }
- }, true, true);
- // -->end
- // 设置拖动图表时后台打印出图表坐标的最大最小值.
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- mChartView.addPanListener(new PanListener() {
- public void panApplied() {
- System.out.println("New X range=[" + mRenderer.getXAxisMin() + ", " + mRenderer.getXAxisMax() + "], Y range=[" + mRenderer.getYAxisMax() + ", " + mRenderer.getYAxisMax() + "]");
- }
- });
- layout.addView(mChartView, new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
- boolean enabled = mDataset.getSeriesCount() > 0;
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- } else {
- mChartView.repaint();
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- }
- }
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- }
