文件上传 如何读取apk文件的 包名、版本号、图标？

java 解析apk

http://bbs.csdn.net/topics/380128653

package com.ztj.common;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.util.Enumeration;import java.util.zip.ZipEntry;import java.util.zip.ZipFile;import org.xmlpull.v1.XmlPullParser;import android.content.res.AXmlResourceParser;import android.util.TypedValue; /** * 分析APK文件，取得APK文件中的 包名、版本号及图标 */public class analysisApk {/**     * 解压 zip 文件(apk可以当成一个zip文件)，注意不能解压 rar 文件哦，只能解压 zip 文件 解压 rar 文件 会出现      * java.io.IOException: Negative seek offset 异常 create date:2009- 6- 9 author:Administrator     * @param apkUrl     *             zip 文件，注意要是正宗的 zip 文件哦，不能是把 rar 的直接改为 zip 这样会出现 java.io.IOException:     *             Negative seek offset 异常     * @param logoUrl     *    图标生成的地址     * @throws IOException     */   public static String[] unZip(String apkUrl, String logoUrl)    {     //[0]:版本号;[1]包名      String[] st = new String[2];      byte b[] = new byte [1024];      int length;       ZipFile zipFile;      try {          zipFile = new ZipFile( new File(apkUrl));                 Enumeration enumeration = zipFile.entries();          ZipEntry zipEntry = null ;                     while (enumeration.hasMoreElements()) {             zipEntry = (ZipEntry) enumeration.nextElement();                        if (zipEntry.isDirectory()) {                             } else {                 if("AndroidManifest.xml".equals(zipEntry.getName()))                 {             try {             AXmlResourceParser parser=new AXmlResourceParser();             parser.open(zipFile.getInputStream(zipEntry));             while (true) {             int type=parser.next();             if (type==XmlPullParser.END_DOCUMENT) {             break;             }             switch (type) {             case XmlPullParser.START_TAG:             {             for (int i=0;i!=parser.getAttributeCount();++i) {             if("versionName".equals(parser.getAttributeName(i))){             st[0] = getAttributeValue(parser,i);             }else if("package".equals(parser.getAttributeName(i))){             st[1] = getAttributeValue(parser,i);             }             }             }             }             }             }             catch (Exception e) {             e.printStackTrace();             }                 }                                  if("res/drawable-ldpi/icon.png".equals(zipEntry.getName())){                 OutputStream outputStream = new FileOutputStream(logoUrl);                     InputStream inputStream = zipFile.getInputStream(zipEntry);                      while ((length = inputStream.read(b)) > 0)                        outputStream.write(b, 0, length);                 }             }          }      } catch (IOException e) {          // TODO Auto-generated catch block          //e.printStackTrace();      }      return st;   }      private static String getAttributeValue(AXmlResourceParser parser,int index) {int type=parser.getAttributeValueType(index);int data=parser.getAttributeValueData(index);if (type==TypedValue.TYPE_STRING) {return parser.getAttributeValue(index);}if (type==TypedValue.TYPE_ATTRIBUTE) {return String.format("?%s%08X",getPackage(data),data);}if (type==TypedValue.TYPE_REFERENCE) {return String.format("@%s%08X",getPackage(data),data);}if (type==TypedValue.TYPE_FLOAT) {return String.valueOf(Float.intBitsToFloat(data));}if (type==TypedValue.TYPE_INT_HEX) {return String.format("0x%08X",data);}if (type==TypedValue.TYPE_INT_BOOLEAN) {return data!=0?"true":"false";}if (type==TypedValue.TYPE_DIMENSION) {return Float.toString(complexToFloat(data))+DIMENSION_UNITS[data & TypedValue.COMPLEX_UNIT_MASK];}if (type==TypedValue.TYPE_FRACTION) {return Float.toString(complexToFloat(data))+FRACTION_UNITS[data & TypedValue.COMPLEX_UNIT_MASK];}if (type>=TypedValue.TYPE_FIRST_COLOR_INT && type<=TypedValue.TYPE_LAST_COLOR_INT) {return String.format("#%08X",data);}if (type>=TypedValue.TYPE_FIRST_INT && type<=TypedValue.TYPE_LAST_INT) {return String.valueOf(data);}return String.format("<0x%X, type 0x%02X>",data,type);}      private static String getPackage(int id) {if (id>>>24==1) {return "android:";}return "";}      /////////////////////////////////// ILLEGAL STUFF, DONT LOOK :)public static float complexToFloat(int complex) {return (float)(complex & 0xFFFFFF00)*RADIX_MULTS[(complex>>4) & 3];}private static final float RADIX_MULTS[]={0.00390625F,3.051758E-005F,1.192093E-007F,4.656613E-010F};private static final String DIMENSION_UNITS[]={"px","dip","sp","pt","in","mm","",""};private static final String FRACTION_UNITS[]={"%","%p","","","","","",""};}