安卓图表引擎AChartEngine源码示例嵌入Acitivity中折线图.docVIP

安卓图表引擎AChartEngine(四) - 源码示例 嵌入Acitivity中的折线图 前面几篇博客中都是调用ChartFactory.get***Intent()方法，本节讲的内容调用ChartFactory.get***View()方法，这个方法调用的结果可以嵌入到任何一个Activity中，作为Activity的一部分。 XYChartBuilder.java(源码分析见注释) [java] view plaincopy package?org.achartengine.chartdemo.demo.chart;?? ?? import?java.io.File;?? import?java.io.FileOutputStream;?? ?? import?org.achartengine.ChartFactory;?? import?org.achartengine.GraphicalView;?? import?org.achartengine.chart.PointStyle;?? import?org.achartengine.chartdemo.demo.R;?? import?org.achartengine.model.SeriesSelection;?? import?org.achartengine.model.XYMultipleSeriesDataset;?? import?org.achartengine.model.XYSeries;?? import?org.achartengine.renderer.XYMultipleSeriesRenderer;?? import?org.achartengine.renderer.XYSeriesRenderer;?? import?org.achartengine.tools.PanListener;?? import?org.achartengine.tools.ZoomEvent;?? import?org.achartengine.tools.ZoomListener;?? ?? import?android.app.Activity;?? import?android.graphics.Bitmap;?? import?android.graphics.Bitmap.CompressFormat;?? import?android.graphics.Color;?? import?android.os.Bundle;?? import?android.os.Environment;?? import?android.view.View;?? import?android.view.ViewGroup.LayoutParams;?? import?android.widget.Button;?? import?android.widget.EditText;?? import?android.widget.LinearLayout;?? import?android.widget.Toast;?? ?? public?class?XYChartBuilder?extends?Activity?{?? ??public?static?final?String?TYPE?=?type;?? ?? ??private?XYMultipleSeriesDataset?mDataset?=?new?XYMultipleSeriesDataset();?? ?? ??private?XYMultipleSeriesRenderer?mRenderer?=?new?XYMultipleSeriesRenderer();?? ?? ??private?XYSeries?mCurrentSeries;?? ?? ??private?XYSeriesRenderer?mCurrentRenderer;?? ?? ??private?String?mDateFormat;?? ?? ??private?Button?mNewSeries;?? ?? ??private?Button?mAdd;?? ?? ??private?EditText?mX;?? ?? ??private?EditText?mY;?? ?? ??private?GraphicalView?mChartView;?? ???? ??private?int?index?=?0;?? ?? ??@Override?? ??protected?void?onRestoreInstanceState(Bundle?savedState)?{?? ????super.onRestoreInstanc