Android文件压缩和解压

Java代码
package com.maidong.utils;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
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;

import org.apache.http.protocol.HTTP;

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 = null;
        try {
            zipout = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(zipFile), BUFF_SIZE));
            for (File resFile : resFileList) {
                zipFile(resFile, zipout, "");
            }
        } finally {
            if (zipout != null)
                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 = null;
        try {
            zipout = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(zipFile), BUFF_SIZE));
            for (File resFile : resFileList) {
                zipFile(resFile, zipout, "");
            }
            zipout.setComment(comment);

        } finally {
            if (zipout != null)
                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);
        InputStream in = null;
        OutputStream out = null;
        try {
            for (Enumeration<?> entries = zf.entries(); entries.hasMoreElements();) {
                ZipEntry entry = ((ZipEntry) entries.nextElement());
                in = zf.getInputStream(entry);
                String str = folderPath + File.separator + entry.getName();
                str = new String(str.getBytes("8859_1"), HTTP.UTF_8);
                File desFile = new File(str);
                if (!desFile.exists()) {
                    File fileParentDir = desFile.getParentFile();
                    if (!fileParentDir.exists()) {
     &nb

补充：移动开发 , Android ,