Android和JavaScript互相调用详细教程

public class ShowExamActivity extends Activity {
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		// 1, 构造显示用渲染图
		XYMultipleSeriesRenderer renderer = new XYMultipleSeriesRenderer();
		// 2,进行显示
		XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
		// 2.1, 构建数据
		Random r = new Random();
		for (int i = 0; i < 2; i++) {
			XYSeries series = new XYSeries("test" + (i + 1));
			// 填充数据
			for (int k = 0; k < 10; k++) {
				// 填x,y值
				series.add(k, 20 + r.nextInt() % 100);
			}
			// 需要绘制的点放进dataset中
			dataset.addSeries(series);
		}
		// 3, 对点的绘制进行设置
		XYSeriesRenderer xyRenderer = new XYSeriesRenderer();
		// 3.1设置颜色
		xyRenderer.setColor(Color.BLUE);
		// 3.2设置点的样式
		xyRenderer.setPointStyle(PointStyle.SQUARE);
		// 3.3, 将要绘制的点添加到坐标绘制中
		renderer.addSeriesRenderer(xyRenderer);
		// 3.4,重复 1~3的步骤绘制第二个系列点
		xyRenderer = new XYSeriesRenderer();
		xyRenderer.setColor(Color.RED);
		xyRenderer.setPointStyle(PointStyle.CIRCLE);
		renderer.addSeriesRenderer(xyRenderer);

		// Intent intent = new LinChart().execute(this);
		Intent intent = ChartFactory
				.getLineChartIntent(this, dataset, renderer);
		startActivity(intent);

	}
}

<activity android:name="org.achartengine.GraphicalActivity" />

String ServerUrl="webservice地址";
 String soapAction="http://www.111cn.net/PhoneClient/GetVcardJson";

 String data="";

String requestData="<?xml version="1.0" encoding="utf-8"?>rn"+
"<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">rn"
  +"<soap:Header>rn"+
    "<AuthHeader xmlns="http://www.111cn.net/PhoneClient/">rn"+
     "<UserId>"+userID+"</UserId>rn"+
    "</AuthHeader>rn"+
  "</soap:Header>rn"+
  "<soap:Body>rn"+
    "<GetVcardJson xmlns="http://www.111cn.net/PhoneClient/">rn"+
      "<vcardUserNo>"+userNo+"</vcardUserNo>rn"+
    "</GetVcardJson>rn"+
  "</soap:Body>rn"+

"</soap:Envelope>";

try{
URL url =new URL(ServerUrl);
HttpURLConnection con=(HttpURLConnection)url.openConnection();
byte[] bytes=requestData.getBytes("utf-8");
con.setDoInput(true);
con.setDoOutput(true);
con.setUseCaches(false);
con.setRequestMethod("POST");
con.setRequestProperty("Content-Type", "text/xml;charset=utf-8");
con.setRequestProperty("SOAPAction",soapAction);
con.setRequestProperty("Content-Length",""+bytes.length);
OutputStream outStream=con.getOutputStream();
outStream.write(bytes);
outStream.flush();
outStream.close();
InputStream inStream=con.getInputStream();

data=parser(inStream);

private static String parser(InputStream in){
XmlPullParser parser=Xml.newPullParser();
String data="";
try{
int flag=0;
parser.setInput(in, "utf-8");
int evenType=parser.getEventType();
while(evenType!=XmlPullParser.END_DOCUMENT){
switch(evenType){
case XmlPullParser.START_DOCUMENT:break;
case XmlPullParser.START_TAG:
break;
case XmlPullParser.TEXT:
data=parser.getText();
break;
case XmlPullParser.END_TAG:break;
}
parser.next();
evenType=parser.getEventType();
}

}catch(XmlPullParserException e){
e.printStackTrace();
}catch(IOException e){
e.printStackTrace();
}
return data;
}

//----------------- DirTraversal.java
package com.once;

import java.io.File;
import java.util.ArrayList;
import java.util.LinkedList;
/**
* 文件夹遍历
* @author once
*
*/
public class DirTraversal {

//no recursion
public static LinkedList<File> listLinkedFiles(String strPath) {
LinkedList<File> list = new LinkedList<File>();
File dir = new File(strPath);
File file[] = dir.listFiles();
for (int i = 0; i < file.length; i++) {
if (file[i].isDirectory())
list.add(file[i]);
else
System.out.println(file[i].getAbsolutePath());
}
File tmp;
while (!list.isEmpty()) {
tmp = (File) list.removeFirst();
if (tmp.isDirectory()) {
file = tmp.listFiles();
if (file == null)
continue;
for (int i = 0; i < file.length; i++) {
if (file[i].isDirectory())
list.add(file[i]);
else
System.out.println(file[i].getAbsolutePath());
}
} else {
System.out.println(tmp.getAbsolutePath());
}
}
return list;
}

//recursion
public static ArrayList<File> listFiles(String strPath) {
return refreshFileList(strPath);
}

public static ArrayList<File> refreshFileList(String strPath) {
ArrayList<File> filelist = new ArrayList<File>();
File dir = new File(strPath);
File[] files = dir.listFiles();

if (files == null)
return null;
for (int i = 0; i < files.length; i++) {
if (files[i].isDirectory()) {
refreshFileList(files[i].getAbsolutePath());
} else {
if(files[i].getName().toLowerCase().endsWith("zip"))
filelist.add(files[i]);
}
}
return filelist;
}
}

//----------------- ZipUtils.java
package com.once;

import java.io.*;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipException;
import java.util.zip.ZipFile;
import java.util.zip.ZipOutputStream;

/**
* Java utils 实现的Zip工具
*
* @author once
*/
public class ZipUtils {
private static final int BUFF_SIZE = 1024 * 1024; // 1M Byte

/**
* 批量压缩文件（夹）
*
* @param resFileList 要压缩的文件（夹）列表
* @param zipFile 生成的压缩文件
* @throws IOException 当压缩过程出错时抛出
*/
public static void zipFiles(Collection<File> resFileList, File zipFile) throws IOException {
ZipOutputStream zipout = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(
zipFile), BUFF_SIZE));
for (File resFile : resFileList) {
zipFile(resFile, zipout, "");
}
zipout.close();
}

/**
* 批量压缩文件（夹）
*
* @param resFileList 要压缩的文件（夹）列表
* @param zipFile 生成的压缩文件
* @param comment 压缩文件的注释
* @throws IOException 当压缩过程出错时抛出
*/
public static void zipFiles(Collection<File> resFileList, File zipFile, String comment)
throws IOException {
ZipOutputStream zipout = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(
zipFile), BUFF_SIZE));
for (File resFile : resFileList) {
zipFile(resFile, zipout, "");
}
zipout.setComment(comment);
zipout.close();
}

/**
* 解压缩一个文件
*
* @param zipFile 压缩文件
* @param folderPath 解压缩的目标目录
* @throws IOException 当解压缩过程出错时抛出
*/
public static void upZipFile(File zipFile, String folderPath) throws ZipException, IOException {
File desDir = new File(folderPath);
if (!desDir.exists()) {
desDir.mkdirs();
}
ZipFile zf = new ZipFile(zipFile);
for (Enumeration<?> entries = zf.entries(); entries.hasMoreElements();) {
ZipEntry entry = ((ZipEntry)entries.nextElement());
InputStream in = zf.getInputStream(entry);
String str = folderPath + File.separator + entry.getName();
str = new String(str.getBytes("8859_1"), "GB2312");
File desFile = new File(str);
if (!desFile.exists()) {
File fileParentDir = desFile.getParentFile();
if (!fileParentDir.exists()) {
fileParentDir.mkdirs();
}
desFile.createNewFile();
}
OutputStream out = new FileOutputStream(desFile);
byte buffer[] = new byte[BUFF_SIZE];
int realLength;
while ((realLength = in.read(buffer)) > 0) {
out.write(buffer, 0, realLength);
}
in.close();
out.close();
}
}

/**
* 解压文件名包含传入文字的文件
*
* @param zipFile 压缩文件
* @param folderPath 目标文件夹
* @param nameContains 传入的文件匹配名
* @throws ZipException 压缩格式有误时抛出
* @throws IOException IO错误时抛出
*/
public static ArrayList<File> upZipSelectedFile(File zipFile, String folderPath,
String nameContains) throws ZipException, IOException {
ArrayList<File> fileList = new ArrayList<File>();

File desDir = new File(folderPath);
if (!desDir.exists()) {
desDir.mkdir();
}

ZipFile zf = new ZipFile(zipFile);
for (Enumeration<?> entries = zf.entries(); entries.hasMoreElements();) {
ZipEntry entry = ((ZipEntry)entries.nextElement());
if (entry.getName().contains(nameContains)) {
InputStream in = zf.getInputStream(entry);
String str = folderPath + File.separator + entry.getName();
str = new String(str.getBytes("8859_1"), "GB2312");
// str.getBytes("GB2312"),"8859_1" 输出
// str.getBytes("8859_1"),"GB2312" 输入
File desFile = new File(str);
if (!desFile.exists()) {
File fileParentDir = desFile.getParentFile();
if (!fileParentDir.exists()) {
fileParentDir.mkdirs();
}
desFile.createNewFile();
}
OutputStream out = new FileOutputStream(desFile);
byte buffer[] = new byte[BUFF_SIZE];
int realLength;
while ((realLength = in.read(buffer)) > 0) {
out.write(buffer, 0, realLength);
}
in.close();
out.close();
fileList.add(desFile);
}
}
return fileList;
}

/**
* 获得压缩文件内文件列表
*
* @param zipFile 压缩文件
* @return 压缩文件内文件名称
* @throws ZipException 压缩文件格式有误时抛出
* @throws IOException 当解压缩过程出错时抛出
*/
public static ArrayList<String> getEntriesNames(File zipFile) throws ZipException, IOException {
ArrayList<String> entryNames = new ArrayList<String>();
Enumeration<?> entries = getEntriesEnumeration(zipFile);
while (entries.hasMoreElements()) {
ZipEntry entry = ((ZipEntry)entries.nextElement());
entryNames.add(new String(getEntryName(entry).getBytes("GB2312"), "8859_1"));
}
return entryNames;
}

/**
* 获得压缩文件内压缩文件对象以取得其属性
*
* @param zipFile 压缩文件
* @return 返回一个压缩文件列表
* @throws ZipException 压缩文件格式有误时抛出
* @throws IOException IO操作有误时抛出
*/
public static Enumeration<?> getEntriesEnumeration(File zipFile) throws ZipException,
IOException {
ZipFile zf = new ZipFile(zipFile);
return zf.entries();

}

/**
* 取得压缩文件对象的注释
*
* @param entry 压缩文件对象
* @return 压缩文件对象的注释
* @throws UnsupportedEncodingException
*/
public static String getEntryComment(ZipEntry entry) throws UnsupportedEncodingException {
return new String(entry.getComment().getBytes("GB2312"), "8859_1");
}

/**
* 取得压缩文件对象的名称
*
* @param entry 压缩文件对象
* @return 压缩文件对象的名称
* @throws UnsupportedEncodingException
*/
public static String getEntryName(ZipEntry entry) throws UnsupportedEncodingException {
return new String(entry.getName().getBytes("GB2312"), "8859_1");
}

/**
* 压缩文件
*
* @param resFile 需要压缩的文件（夹）
* @param zipout 压缩的目的文件
* @param rootpath 压缩的文件路径
* @throws FileNotFoundException 找不到文件时抛出
* @throws IOException 当压缩过程出错时抛出
*/
private static void zipFile(File resFile, ZipOutputStream zipout, String rootpath)
throws FileNotFoundException, IOException {
rootpath = rootpath + (rootpath.trim().length() == 0 ? "" : File.separator)
+ resFile.getName();
rootpath = new String(rootpath.getBytes("8859_1"), "GB2312");
if (resFile.isDirectory()) {
File[] fileList = resFile.listFiles();
for (File file : fileList) {
zipFile(file, zipout, rootpath);
}
} else {
byte buffer[] = new byte[BUFF_SIZE];
BufferedInputStream in = new BufferedInputStream(new FileInputStream(resFile),
BUFF_SIZE);
zipout.putNextEntry(new ZipEntry(rootpath));
int realLength;
while ((realLength = in.read(buffer)) != -1) {
zipout.write(buffer, 0, realLength);
}
in.close();
zipout.flush();
zipout.closeEntry();
}
}
}