Android Unzip File unpackZip(File zip, String unpackPath)

Description

Unzip the specified file from a file Be sure to set : <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> Modified from: Source: http://stackoverflow.com/questions/3382996/how-to-unzip-files-programmatically-in-android

Parameter

Parameter	Description
zip	target zip file
unpackPath	path where file should be unpacked

Declaration

public static boolean unpackZip(File zip, String unpackPath) 

Method Source Code

//package com.java2s;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

public class Main {
    /**/*from w  w  w.jav a 2  s .c  o m*/
     * Unzip the specified file from a file 
     * 
     * Be sure to set : <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     * 
     * Modified from:  
     * Source: http://stackoverflow.com/questions/3382996/how-to-unzip-files-programmatically-in-android
     * 
     * @param zip target zip file
     * @param unpackPath path where file should be unpacked
     * @return
     */
    public static boolean unpackZip(File zip, String unpackPath) {

        InputStream is;
        ZipInputStream zis;
        try {

            String filename;
            is = new FileInputStream(zip);
            zis = new ZipInputStream(new BufferedInputStream(is));
            ZipEntry ze;
            byte[] buffer = new byte[1024];
            int count;

            while ((ze = zis.getNextEntry()) != null) {

                filename = ze.getName();
                FileOutputStream fout = new FileOutputStream(unpackPath
                        + filename);

                while ((count = zis.read(buffer)) != -1) {
                    fout.write(buffer, 0, count);
                }

                fout.close();
                zis.closeEntry();
            }

            zis.close();
        } catch (IOException e) {
            e.printStackTrace();
            return false;
        }

        return true;
    }

    /**
     * Unzip the specified file from a file 
     * 
     * Be sure to set : <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     * 
     * Modified from:  
     * Source: http://stackoverflow.com/questions/3382996/how-to-unzip-files-programmatically-in-android
     * 
     * @param file input stream 
     * @param unpackPath path where file should be unpacked
     * @return
     */
    public static boolean unpackZip(InputStream zipStream, String unpackPath) {

        InputStream is;
        ZipInputStream zis;
        try {

            String filename;
            zis = new ZipInputStream(new BufferedInputStream(zipStream));
            ZipEntry ze;
            byte[] buffer = new byte[1024];
            int count;

            while ((ze = zis.getNextEntry()) != null) {

                filename = ze.getName();
                FileOutputStream fout = new FileOutputStream(unpackPath
                        + filename);

                while ((count = zis.read(buffer)) != -1) {
                    fout.write(buffer, 0, count);
                }

                fout.close();
                zis.closeEntry();
            }

            zis.close();
        } catch (IOException e) {
            e.printStackTrace();
            return false;
        }

        return true;
    }
}

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