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如何在Android中使用achartengine繪制圖表？很多新手對此不是很清楚，為了幫助大家解決這個難題，下面小編將為大家詳細講解，有這方面需求的人可以來學習下，希望你能有所收獲。
1. ABarChart.java
package com.anjoyo.achartengine;
import java.util.Random;
import org.achartengine.ChartFactory;
import org.achartengine.chart.BarChart.Type;
import org.achartengine.model.CategorySeries;
import org.achartengine.model.XYMultipleSeriesDataset;
import org.achartengine.renderer.SimpleSeriesRenderer;
import org.achartengine.renderer.XYMultipleSeriesRenderer;
import android.content.Context;
import android.content.Intent;
import android.graphics.Color;
public class ABarChart {
public Intent execute(Context context) {
return ChartFactory.getBarChartIntent(context, getBarChartDataset(), getBarChartRenderer(), Type.DEFAULT);
}
private XYMultipleSeriesRenderer getBarChartRenderer() {
// TODO Auto-generated method stub
XYMultipleSeriesRenderer renderer=new XYMultipleSeriesRenderer();
SimpleSeriesRenderer r;
r=new SimpleSeriesRenderer();
r.setColor(Color.BLUE);
renderer.addSeriesRenderer(r);
r=new SimpleSeriesRenderer();
r.setColor(Color.GREEN);
renderer.addSeriesRenderer(r);
setBarChartRenderer(renderer);
return renderer;
}
private void setBarChartRenderer(XYMultipleSeriesRenderer renderer) {
// TODO Auto-generated method stub
renderer.setChartTitle("Bar Chart");
renderer.setXTitle("X Axis");
renderer.setYTitle("Y Axis");
renderer.setXAxisMax(10.5);
renderer.setXAxisMin(0.5);
renderer.setYAxisMax(210);
renderer.setYAxisMin(0);
}
private XYMultipleSeriesDataset getBarChartDataset() {
// TODO Auto-generated method stub
XYMultipleSeriesDataset dataset=new XYMultipleSeriesDataset();
final int SERIES_NR=2;
final int NR=10;
Random random=new Random();
for (int i = 0; i < SERIES_NR; i++) {
CategorySeries series=new CategorySeries("Bar Chart---"+(i+1));
for (int j = 0; j < NR; j++) {
series.add(100+random.nextInt(100));
}
dataset.addSeries(series.toXYSeries());
}
return dataset;
}
}2. ABubbleChart.java
package com.anjoyo.achartengine;
import java.util.Random;
import org.achartengine.ChartFactory;
import org.achartengine.chart.PointStyle;
import org.achartengine.model.XYMultipleSeriesDataset;
import org.achartengine.model.XYValueSeries;
import org.achartengine.renderer.XYMultipleSeriesRenderer;
import org.achartengine.renderer.XYSeriesRenderer;
import android.content.Context;
import android.content.Intent;
import android.graphics.Color;
public class ABubbleChart {
private final int SERIES_NR = 3;
private final int NR = 20;
public Intent execute(Context context) {
return ChartFactory.getBubbleChartIntent(context,
getBubbleChartDataset(), getBubbleChartRenderer(),
"Bubble Chart Demo");
}
private XYMultipleSeriesRenderer getBubbleChartRenderer() {
// TODO Auto-generated method stub
XYMultipleSeriesRenderer renderer = new XYMultipleSeriesRenderer();
int[] linearColor = { Color.RED, Color.GREEN, Color.BLUE };
XYSeriesRenderer r;
for (int i = 0; i < SERIES_NR; i++) {
// entry=new XYEntry<Integer, Integer>(key, value);
r = new XYSeriesRenderer();
r.setColor(linearColor[i]);
r.setPointStyle(PointStyle.POINT);
r.setLineWidth(2);
renderer.addSeriesRenderer(r);
}
setBarChartRenderer(renderer);
return renderer;
}
private XYMultipleSeriesDataset getBubbleChartDataset() {
// TODO Auto-generated method stub
XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
for (int i = 0; i < SERIES_NR; i++) {
XYValueSeries series = new XYValueSeries("Bubble Chart---"
+ (i + 1));
int temp = 10 * i;
int[][] data = getBasicData();
for (int j = 0; j < data.length; j++) {
if((j+1)%5 ==0){
int x = data[j][0];
int y = temp;
int value=data[j][1]+temp;
series.add(x, y, value);
}
}
dataset.addSeries(series);
}
return dataset;
}
private int[][] getBasicData() {
int[][] data = new int[20][2];
Random rand = new Random();
for (int i = 0; i < data.length; i++) {
data[i][0] = i;
data[i][1] = 20 + rand.nextInt(20) % 20;
}
return data;
}
private void setBarChartRenderer(XYMultipleSeriesRenderer renderer) {
// TODO Auto-generated method stub
renderer.setChartTitle("Bubble Chart");
renderer.setXTitle("X Axis");
renderer.setYTitle("Y Axis");
renderer.setXAxisMax(20);
renderer.setXAxisMin(0);
renderer.setYAxisMax(30);
renderer.setYAxisMin(0);
renderer.setAntialiasing(true);//沒有看出有啥效果來
renderer.setApplyBackgroundColor(true);//設置背景顏色
renderer.setBackgroundColor(Color.TRANSPARENT);
renderer.setShowAxes(true);//
renderer.setAxesColor(Color.GRAY);
renderer.setClickEnabled(true);//設置了之后，不可再拖動
renderer.setZoomButtonsVisible(true);//設置伸縮按鈕是否可見
renderer.setZoomEnabled(true);
renderer.setExternalZoomEnabled(true);//設置是否可以向伸縮
renderer.setLabelsColor(Color.GREEN);
renderer.setLabelsTextSize(16);
}
}3. ALinearChart.java
package com.anjoyo.achartengine;
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.content.Context;
import android.content.Intent;
import android.graphics.Color;
public class ALinearChart {
private final int SERIES_NR=3;
private final int NR=20;
public Intent execute(Context context) {
return ChartFactory.getLineChartIntent(context, getLinearChartDataset(), getLinearChartRenderer(), "Linear Chart Another");
}
private XYMultipleSeriesRenderer getLinearChartRenderer() {
// TODO Auto-generated method stub
int[] linearColor={Color.RED, Color.GREEN, Color.BLUE};
int[] belowLinearColor={Color.YELLOW, Color.CYAN, Color.GRAY};
XYMultipleSeriesRenderer renderer=new XYMultipleSeriesRenderer();
XYSeriesRenderer tempRender;
for (int i = 0; i < SERIES_NR; i++) {
tempRender=new XYSeriesRenderer();
tempRender.setColor(linearColor[i]);
// tempRender.setFillBelowLine(true);
// tempRender.setFillBelowLineColor(belowLinearColor[i]);
tempRender.setPointStyle(PointStyle.POINT);
tempRender.setLineWidth(2);
renderer.addSeriesRenderer(tempRender);
}
setLinearChartRenderer(renderer);
return renderer;
}
private void setLinearChartRenderer(XYMultipleSeriesRenderer renderer) {
// TODO Auto-generated method stub
renderer.setChartTitle("Three Linear Chart");
renderer.setXAxisMax(20);
renderer.setXAxisMin(0);
renderer.setYAxisMax(60);
renderer.setYAxisMin(0);
}
private XYMultipleSeriesDataset getLinearChartDataset() {
// TODO Auto-generated method stub
XYMultipleSeriesDataset dataset=new XYMultipleSeriesDataset();
for (int i = 0; i < SERIES_NR; i++) {
XYSeries series=new XYSeries("Stock Trend---"+(i+1));
int temp=10*i;
int[][] data=getBasicData();
for (int j = 0; j < data.length; j++) {
int x=data[j][0];
int y=temp+data[j][1];
series.add(x, y);
}
dataset.addSeries(series);
}
return dataset;
}
private int[][] getBasicData() {
int[][] data=new int[20][2];
Random rand=new Random();
for (int i = 0; i < data.length; i++) {
data[i][0]=i;
data[i][1]=20+rand.nextInt(20)%20;
}
return data;
}
}4. APieChart.java
package com.anjoyo.achartengine;
import org.achartengine.ChartFactory;
import org.achartengine.model.CategorySeries;
import org.achartengine.renderer.DefaultRenderer;
import org.achartengine.renderer.SimpleSeriesRenderer;
import android.content.Context;
import android.content.Intent;
import android.graphics.Color;
public class APieChart {
private double[] values = { 25, 30, 45 };
public APieChart() {
// TODO Auto-generated constructor stub
}
public APieChart(double[] values) {
if (values.length == 3) {
for (int i = 0; i < values.length; i++) {
this.values[i] = values[i];
}
}
}
public Intent execute(Context context) {
int[] colors={Color.BLUE, Color.GREEN, Color.YELLOW};
DefaultRenderer renderer=buildCategoryRenderer(colors);
renderer.setAntialiasing(true);//沒有看出有啥效果來
renderer.setApplyBackgroundColor(true);//設置背景顏色
renderer.setBackgroundColor(Color.TRANSPARENT);
renderer.setShowAxes(true);//
renderer.setAxesColor(Color.GRAY);
renderer.setClickEnabled(true);//設置了之后，不可再拖動
renderer.setZoomButtonsVisible(true);//設置伸縮按鈕是否可見
renderer.setZoomEnabled(true);
renderer.setExternalZoomEnabled(true);//設置是否可以向伸縮
renderer.setLabelsColor(Color.GREEN);
renderer.setLabelsTextSize(16);
// renderer.setLegendHeight(50);
// renderer.setPanEnabled(true);
renderer.setStartAngle(180);//好像不好用啊
CategorySeries series=new CategorySeries("Fruit Ratio");
series.add("Apple", values[0]);
series.add("Banana", values[1]);
series.add("Orange", values[2]);
return ChartFactory.getPieChartIntent(context, series, renderer, "水果");
}
private DefaultRenderer buildCategoryRenderer(int[] colors) {
DefaultRenderer renderer=new DefaultRenderer();
renderer.setApplyBackgroundColor(true);
renderer.setBackgroundColor(Color.GRAY);
renderer.setLabelsTextSize(20);
renderer.setChartTitle("餅狀圖");
renderer.setChartTitleTextSize(20);
renderer.setLegendTextSize(20);
renderer.setLegendHeight(50);
for (int i = 0; i < colors.length; i++) {
int j = colors[i];
SimpleSeriesRenderer r=new SimpleSeriesRenderer();
r.setColor(j);
renderer.addSeriesRenderer(r);
}
return renderer;
}
}5. MainActivity.java
package com.anjoyo.achartengine;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
public class MainActivity extends Activity {
private Button lineChartBtn;
private Button areaChartBtn;
private Button scatterChartBtn;
private Button timeChartBtn;
private Button barChartBtn;
private Button pieChartBtn;
private Button bubbleChartBtn;
private Button doughnutChartBtn;
private Button rangeBarChartBtn;
private Button dialChartBtn;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
lineChartBtn=(Button) findViewById(R.id.line_chart);
areaChartBtn=(Button) findViewById(R.id.area_chart);
scatterChartBtn=(Button) findViewById(R.id.scatter_chart);
timeChartBtn=(Button) findViewById(R.id.time_chart);
barChartBtn=(Button) findViewById(R.id.bar_chart);
pieChartBtn=(Button) findViewById(R.id.pie_chart);
bubbleChartBtn=(Button) findViewById(R.id.bubble_chart);
doughnutChartBtn=(Button) findViewById(R.id.doughnut_chart);
rangeBarChartBtn=(Button) findViewById(R.id.range_bar_chart);
dialChartBtn=(Button) findViewById(R.id.dial_chart);
OnClickListener listener=new AChartEngineListener();
lineChartBtn.setOnClickListener(listener);
pieChartBtn.setOnClickListener(listener);
barChartBtn.setOnClickListener(listener);
bubbleChartBtn.setOnClickListener(listener);
}
class AChartEngineListener implements OnClickListener{
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.line_chart:
// Intent intent=new Intent(MainActivity.this, LinearChartActivity.class);
// startActivity(intent);
Intent linearChartIntent=new ALinearChart().execute(MainActivity.this);
startActivity(linearChartIntent);
break;
case R.id.area_chart:
break;
case R.id.scatter_chart:
break;
case R.id.time_chart:
break;
case R.id.bar_chart:
Intent barChartIntent=new ABarChart().execute(MainActivity.this);
startActivity(barChartIntent);
break;
case R.id.pie_chart:
Intent pieChartIntent=new APieChart().execute(MainActivity.this);
startActivity(pieChartIntent);
break;
case R.id.bubble_chart:
Intent bubbleChartIntent=new ABubbleChart().execute(MainActivity.this);
startActivity(bubbleChartIntent);
break;
case R.id.doughnut_chart:
break;
case R.id.range_bar_chart:
break;
case R.id.dial_chart:
break;
default:
break;
}
}
}
}6. LinearChartActivity.java
package com.anjoyo.achartengine;
import java.util.Random;
import org.achartengine.ChartFactory;
import org.achartengine.GraphicalView;
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.graphics.Color;
import android.os.Bundle;
import android.view.ViewGroup.LayoutParams;
import android.widget.LinearLayout;
public class LinearChartActivity extends Activity {
private XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
private XYMultipleSeriesRenderer renderer = new XYMultipleSeriesRenderer();
private XYSeries currentSeries;
private XYSeriesRenderer currentRenderer;
private String dateFormat;
private GraphicalView chartView;
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onRestoreInstanceState(savedInstanceState);
dataset = (XYMultipleSeriesDataset) savedInstanceState
.getSerializable("dataset");
renderer = (XYMultipleSeriesRenderer) savedInstanceState
.getSerializable("renderer");
currentSeries = (XYSeries) savedInstanceState
.getSerializable("current_series");
currentRenderer = (XYSeriesRenderer) savedInstanceState
.getSerializable("current_renderer");
dateFormat = savedInstanceState.getString("date_format");
}
@Override
protected void onSaveInstanceState(Bundle outState) {
// TODO Auto-generated method stub
super.onSaveInstanceState(outState);
outState.putSerializable("dataset", dataset);
outState.putSerializable("renderer", renderer);
outState.putSerializable("current_series", currentSeries);
outState.putSerializable("current_renderer", currentRenderer);
outState.putString("date_format", dateFormat);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.stock_chart);
String seriesTitle = "上證指數";
XYSeries series = new XYSeries(seriesTitle);
dataset.addSeries(series);
currentSeries = series;
XYSeriesRenderer seriesRenderer = new XYSeriesRenderer();
seriesRenderer.setColor(Color.BLUE);
seriesRenderer.setFillBelowLine(true);
// seriesRenderer.setFillBelowLineColor(Color.RED);//折線下面區域是否添加顏色
seriesRenderer.setPointStyle(PointStyle.POINT);
seriesRenderer.setLineWidth(3);
renderer.addSeriesRenderer(seriesRenderer);
// 添加另外一條曲線圖
// seriesRenderer = new XYSeriesRenderer();
// seriesRenderer.setColor(Color.GREEN);
// seriesRenderer.setFillBelowLine(true);
// seriesRenderer.setFillBelowLineColor(Color.YELLOW);
// seriesRenderer.setPointStyle(PointStyle.POINT);
// seriesRenderer.setLineWidth(3);
// renderer.addSeriesRenderer(seriesRenderer);
renderer.setYAxisMin(0);
renderer.setYAxisMax(100);
renderer.setXAxisMax(20);
renderer.setShowGrid(false);
renderer.setXLabels(20);
renderer.setChartTitle("上證指數-24小時趨勢圖");
currentRenderer = seriesRenderer;
double x = 0;
double y = 0;
int[][] xyValues = getValues();
// for (int i = 0; i < 2; i++) {
//
for (int j = 0; j < xyValues.length; j++) {
x=xyValues[j][0];
y=xyValues[j][1];
currentSeries.add(x, y);
}
// }
}
@Override
protected void onResume() {
// TODO Auto-generated method stub
if(chartView == null){
LinearLayout layout=(LinearLayout) findViewById(R.id.chart);
chartView=ChartFactory.getLineChartView(this, dataset, renderer);
layout.addView(chartView, new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
}else {
chartView.setBackgroundResource(R.id.chart);
chartView.repaint();
}
super.onResume();
}
private int[][] getValues() {
// TODO Auto-generated method stub
int[][] xyValues = new int[20][2];
Random rand=new Random();
for (int i = 0; i < xyValues.length; i++) {
xyValues[i][0]=i;
xyValues[i][1]=rand.nextInt(100);
}
return xyValues;
}
}7. AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.anjoyo.achartengine" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="8" android:targetSdkVersion="17" /> <application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppBaseTheme" > <activity android:name="com.anjoyo.achartengine.MainActivity" android:label="@string/app_name" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".LinearChartActivity"></activity> <activity android:name="org.achartengine.GraphicalActivity"></activity> </application> </manifest>
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