Android Zipping Function仅成功压缩小拉链

Question

我有这个代码，它适用于小拉链。 （我测试它的那个是6MB）当我尝试压缩更多文件时，它会拉链，但是拉链是不可读的。我从android系统中提取文件并试图压缩它们，我得到错误。谁能发现原因？或者知道一些更好的压缩代码？

package com.damastah.deflash;


import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.ArrayList;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class Compress {
    private static final int BUFFER = 2048;

    private ArrayList<File> _files;
    private String _zipFile;

    public Compress(ArrayList<File> files, String zipFile) {
        _files = files;
        _zipFile = zipFile;
    }

    public File get_zipFile() {
        return new File(_zipFile);
    }

    public void zip() {
        try {
            BufferedInputStream origin = null;
            FileOutputStream dest = new FileOutputStream(_zipFile);

            ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(
                    dest));

            byte data[] = new byte[BUFFER];
            String file;
            for (int i = 0; i < _files.size(); i++) {
                file = _files.get(i).getAbsolutePath().substring(1);
                System.out.println(file);
                FileInputStream fi = new FileInputStream(file);
                origin = new BufferedInputStream(fi, BUFFER);
                ZipEntry entry;
                entry = new ZipEntry(file);

                out.putNextEntry(entry);

                int count;
                while ((count = origin.read(data, 0, BUFFER)) != -1) {
                    out.write(data, 0, count);
                }

                origin.close();
            }

            out.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}