Android解压Zip包

 /**
    * 解压一个压缩文档 到指定位置
    * 
    * @param zipFileString 压缩包的名字
    * @param outPathString 指定的路径
    * @throws Exception
    */
public static void UnZipFolder(String zipFileString, String outPathString) throws Exception {
    java.util.zip.ZipInputStream inZip = new java.util.zip.ZipInputStream(new java.io.FileInputStream(zipFileString));
    java.util.zip.ZipEntry zipEntry;
    String szName = "";

    while ((zipEntry = inZip.getNextEntry()) != null) {
        szName = zipEntry.getName();

        if (zipEntry.isDirectory()) {

            // get the folder name of the widget
            szName = szName.substring(0, szName.length() - 1);
            java.io.File folder = new java.io.File(outPathString + java.io.File.separator + szName);
            folder.mkdirs();

        } else {

            java.io.File file = new java.io.File(outPathString + java.io.File.separator + szName);
            file.createNewFile();
            // get the output stream of the file
            java.io.FileOutputStream out = new java.io.FileOutputStream(file);
            int len;
            byte[] buffer = new byte[1024];
            // read (len) bytes into buffer
            while ((len = inZip.read(buffer)) != -1) {
                // write (len) byte from buffer at the position 0
                out.write(buffer, 0, len);
                out.flush();
            }
            out.close();
        }
    }//end of while

    inZip.close();

}//end of func