Android 多种统计图表源码-IT计算机-毕业设计.zip

/** * Copyright (C) 2009, 2010 SC 4ViewSoft SRL * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.achartengine.chartdemo.demo.chart; import java.util.Date; import java.util.List; import org.achartengine.chart.PointStyle; import org.achartengine.model.CategorySeries; import org.achartengine.model.MultipleCategorySeries; import org.achartengine.model.TimeSeries; import org.achartengine.model.XYMultipleSeriesDataset; import org.achartengine.model.XYSeries; import org.achartengine.renderer.DefaultRenderer; import org.achartengine.renderer.SimpleSeriesRenderer; import org.achartengine.renderer.XYMultipleSeriesRenderer; import org.achartengine.renderer.XYSeriesRenderer; /** * An abstract class for the demo charts to extend. */ public abstract class AbstractDemoChart implements IChart { /** * Builds an XY multiple dataset using the provided values. * * @param titles the series titles * @param xValues the values for the X axis * @param yValues the values for the Y axis * @return the XY multiple dataset */ protected XYMultipleSeriesDataset buildDataset(String[] titles, List<double[]> xValues, List<double[]> yValues) { XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset(); int length = titles.length; for (int i = 0; i < length; i++) { XYSeries series = new XYSeries(titles[i]); double[] xV = xValues.get(i); double[] yV = yValues.get(i); int seriesLength = xV.length; for (int k = 0; k < seriesLength; k++) { series.add(xV[k], yV[k]); } dataset.addSeries(series); } return dataset; } /** * Builds an XY multiple series renderer. * * @param colors the series rendering colors * @param styles the series point styles * @return the XY multiple series renderers */ protected XYMultipleSeriesRenderer buildRenderer(int[] colors, PointStyle[] styles) { XYMultipleSeriesRenderer renderer = new XYMultipleSeriesRenderer(); renderer.setAxisTitleTextSize(16); renderer.setChartTitleTextSize(20); renderer.setLabelsTextSize(15); renderer.setLegendTextSize(15); renderer.setPointSize(5f); renderer.setMargins(new int[] { 20, 30, 15, 0 }); int length = colors.length; for (int i = 0; i < length; i++) { XYSeriesRenderer r = new XYSeriesRenderer(); r.setColor(colors[i]); r.setPointStyle(styles[i]); renderer.addSeriesRenderer(r); } return renderer; } /** * Sets a few of the series renderer settings. * * @param renderer the renderer to set the properties to * @param title the chart title * @param xTitle the title for the X axis * @param yTitle the title for the Y axis * @param xMin the minimum value on the X axis * @param xMax the maximum value on the X axis * @param yMin the minimum value on the Y axis * @param yMax the maximum value on the Y axis * @param axesColor the axes color * @param labelsColor the labels color */ protected void setChartSettings(XYMultipleSeriesRenderer renderer, 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); } /** * Builds an XY multiple time dataset using the provided values. * * @param titles the series titles * @param xValues the values for the X axis * @param yValues the values for the Y axis * @return the XY multiple time dataset */ protected XYMultipleSeriesDataset buildDateDataset(String[] titles, List<Date[]> xValues, List<double[]> yValues) { XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset(); int length = titles.length; for (int i = 0; i < length; i++) { TimeSeries series = new TimeSeries(titles[i]); Date[] xV = xValues.get(i); double[] yV = yValues.get(i); int seriesLength = xV.length; for (int k = 0; k < seriesLength; k++) { series.add(xV[k], yV[k]); } dataset.addSeries(series); } return dataset; } /** * Builds a category series using the provided values. * * @param titles the series titles * @param values the values * @return the category series */ protected CategorySeries buildCategoryDataset(String title, double[] values) { CategorySeries series = new CategorySeries(title); int k = 0; for (double value : values) { series.add("Project " + ++k, value); } return series; } /** * Builds a multiple category series using the provided values. * * @param titles the series titles * @param values the values * @return the category series */ protected MultipleCategorySeries buildMultipleCategoryDataset(String title, List<String[]> titles, List<double[]> values) { MultipleCategorySeries series = new MultipleCategorySeries(title); int k = 0; for (double[] value : values) { series.add(2007 + k + "", titles.get(k), value); k++; } return series; } /** * Builds a category renderer to use the provided colors. * * @param colors the colors * @return the category renderer */ protected DefaultRenderer buildCategoryRenderer(int[] colors) { DefaultRenderer renderer = new DefaultRenderer(); renderer.setLabelsTextSize(15); renderer.setLegendTextSize(15); renderer.setMargins(new int[] { 20, 30, 15, 0 }); for (int color : colors) { SimpleSeriesRenderer r = new SimpleSeriesRenderer(); r.setColor(color); renderer.addSeriesRenderer(r); } return renderer; } /** * Builds a bar multiple series dataset using the provided values. * * @param titles the series titles * @param values the values * @return the XY multiple bar dataset */ protected XYMultipleSeriesDataset buildBarDataset(String[] titles, List<double[]> values) { XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset(); int length = titles.length; for (int i = 0; i < length; i++) { CategorySeries series = new CategorySeries(titles[i]); double[] v = values.get(i); int seriesLength = v.length; for (int k = 0; k < seriesLength; k++) { series.add(v[k]); } dataset.addSeries(series.toXYSeries()); } return dataset; } /** * Builds a bar multiple series renderer to use the provided colors. * * @param colors the series renderers colors * @return the bar multiple series renderer */ protected XYMultipleSeriesRenderer buildBarRenderer(int[] colors) { XYMultipleSeriesRenderer renderer = 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]);