（4.2.15）【android开源工具】Android画柱状图
package org.achartengine.chartdemo.demo.chart;
import org.achartengine.ChartFactory;
import org.achartengine.chart.BarChart.Type;
import org.achartengine.chartdemo.demo.R;
import org.achartengine.model.RangeCategorySeries;
import org.achartengine.model.XYMultipleSeriesDataset;
import org.achartengine.renderer.SimpleSeriesRenderer;
import org.achartengine.renderer.XYMultipleSeriesRenderer;
import android.app.Activity;
import android.graphics.Color;
import android.graphics.Paint.Align;
import android.os.Bundle;
import android.view.View;
public class TemperatureChart extends Activity{
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
double[] minValues = new double[]{55,50,40,30,20,20,30,40,50,55};
double[] maxValues =new double[]{85,95,100,95,85,85,95,100,95,85};
// 用于 保存点集数据 ，包括每条曲线的X，Y坐标
XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();//使用与柱状图
RangeCategorySeries series = new RangeCategorySeries("您当月的消费记录");// 括号内为图表底部的文字
for (int k = 0; k < minValues.length; k++) {
series.add(minValues[k], maxValues[k]);
}
dataset.addSeries(series.toXYSeries());
int[] colors = new int[] { Color.CYAN };// 青色蓝绿色
XYMultipleSeriesRendererrenderer = buildBarRenderer(colors);
setChartSettings(renderer, "标题", "x",
"y", 0.5, 12.5, 0, 150, Color.GRAY, Color.LTGRAY);// 画笔的颜色预先定义成浅灰色
renderer.setBarSpacing(0.01);//设置间距
renderer.setXLabels(0);//设置 X 轴不显示数字（改用我们手动添加的文字标签））;//设置X轴显示的刻度标签的个数
renderer.setYLabels(15);// 设置合适的刻度，在轴上显示的数量是 MAX / labels
renderer.setMargins(new int[] { 30, 70, 10, 0 });//图形 4 边距 设置4边留白设置图表的外边框
renderer.setYLabelsAlign(Align.RIGHT);//设置y轴显示的分列，默认是 Align.CENTER
renderer.setPanEnabled(true, false);//设置x方向可以滑动，y方向不可以滑动
renderer.setZoomEnabled(false,false);//设置x，y方向都不可以放大或缩小
SimpleSeriesRenderer r = renderer.getSeriesRendererAt(0);
r.setDisplayChartValues(true);//设置是否在主题上方显示值
r.setChartValuesTextSize(24);//柱体上方字的大小
r.setChartValuesSpacing(3);//柱体上方字的与柱体顶部的距离
r.setGradientEnabled(true);
r.setGradientStart(20, Color.BLUE);
r.setGradientStop(100, Color.GREEN);
View mchartView =ChartFactory.getRangeBarChartView(TemperatureChart.this, dataset, renderer,
Type.DEFAULT);
setContentView(mchartView);
}
protected XYMultipleSeriesRendererbuildBarRenderer(int[] colors) {
XYMultipleSeriesRendererrenderer = new XYMultipleSeriesRenderer();
renderer.setAxisTitleTextSize(16);
renderer.setChartTitleTextSize(20);
renderer.setLabelsTextSize(15);
renderer.setLegendTextSize(15);
int length = colors.length;
for (int i = 0; i < length; i++) {
SimpleSeriesRenderer r = new SimpleSeriesRenderer();
r.setColor(colors[i]);
renderer.addSeriesRenderer(r);
}
return renderer;
}
protected void setChartSettings(XYMultipleSeriesRendererrenderer, String title, String xTitle,
String yTitle, double xMin, double xMax, double yMin, double yMax, int axesColor,
int labelsColor) {
renderer.setChartTitle(title);
renderer.setXTitle(xTitle);
renderer.setYTitle(yTitle);
renderer.setXAxisMin(xMin);
renderer.setXAxisMax(xMax);
renderer.setYAxisMin(yMin);
renderer.setYAxisMax(yMax);
renderer.setAxesColor(axesColor);
renderer.setLabelsColor(labelsColor);
}
}