本文将带你了解Android应用开发Android 解压方法详情，希望本文对大家学Android有所帮助。

Android 解压方法详情

<em>/**

</em><em> * </em><em>解压缩

</em><em> </em><em>* </em><em>将</em><em>zipFile</em><em>文件解压到</em><em>folderPath</em><em>目录下</em><em>.

</em><em> * </em><strong><em>@param </em></strong><em>assetName </em><em>zip</em><em>文件

</em><em> </em><em>* </em><strong><em>@param </em></strong><em>folderPath </em><em>解压到的地址

</em><em> </em><em>* </em><strong><em>@throws </em></strong><em>IOException

</em><em> */

</em>private void upZipFile(String assetName, String folderPath) throws IOException {

    File out=new File(folderPath);

    if(!out.exists()){

        out.mkdirs();

    }

    File zipFile=new File(assetName);

    ZipFile zfile = new ZipFile(zipFile);

    Enumeration zList = zfile.entries();

    ZipEntry ze = null;

    byte[] buf = new byte[1024];

    while (zList.hasMoreElements()) {

        ze = (ZipEntry) zList.nextElement();

        if (ze.isDirectory()) {

            String dirstr = folderPath + ze.getName();

            dirstr = new String(dirstr.getBytes(""8859_1""), ""GB2312"");

            File f = new File(dirstr);

            f.mkdirs();

            continue;

        }

        OutputStream os = new BufferedOutputStream(new FileOutputStream(getRealFileName(folderPath, ze.getName())));

        InputStream is = new BufferedInputStream(zfile.getInputStream(ze));

        int readLen = 0;

        while ((readLen = is.read(buf, 0, 1024)) != -1) {

            os.write(buf, 0, readLen);

        }

        is.close();

        os.close();

    }

    zfile.close();

}

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