Here you go. :)
static Handler myHandler;
ProgressDialog myProgress;
public void unzipFile(File zipfile) {
myProgress = ProgressDialog.show(getContext(), "Extract Zip",
"Extracting Files...", true, false);
File zipFile = zipfile;
String directory = null;
directory = zipFile.getParent();
directory = directory + "/";
myHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
// process incoming messages here
switch (msg.what) {
case 0:
// update progress bar
myProgress.setMessage("" + (String) msg.obj);
break;
case 1:
myProgress.cancel();
Toast toast = Toast.makeText(getContext(),
"Zip extracted successfully",
Toast.LENGTH_SHORT);
toast.show();
provider.refresh();
break;
case 2:
myProgress.cancel();
break;
}
super.handleMessage(msg);
}
};
Thread workthread = new Thread(new UnZip(zipFile, directory));
workthread.start();
}
public class UnZip implements Runnable {
File archive;
String outputDir;
public UnZip(File ziparchive, String directory) {
archive = ziparchive;
outputDir = directory;
}
public void log(String log) {
Log.v("unzip", log);
}
@SuppressWarnings("unchecked")
public void run() {
Message msg;
try {
ZipFile zipfile = new ZipFile(archive);
for (Enumeration e = zipfile.entries();
e.hasMoreElements();) {
ZipEntry entry = (ZipEntry) e.nextElement();
msg = new Message();
msg.what = 0;
msg.obj = "Extracting " + entry.getName();
myHandler.sendMessage(msg);
unzipEntry(zipfile, entry, outputDir);
}
} catch (Exception e) {
log("Error while extracting file " + archive);
}
msg = new Message();
msg.what = 1;
myHandler.sendMessage(msg);
}
@SuppressWarnings("unchecked")
public void unzipArchive(File archive, String outputDir) {
try {
ZipFile zipfile = new ZipFile(archive);
for (Enumeration e = zipfile.entries();
e.hasMoreElements();) {
ZipEntry entry = (ZipEntry) e.nextElement();
unzipEntry(zipfile, entry, outputDir);
}
} catch (Exception e) {
log("Error while extracting file " + archive);
}
}
private void unzipEntry(ZipFile zipfile, ZipEntry entry,
String outputDir) throws IOException {
if (entry.isDirectory()) {
createDir(new File(outputDir, entry.getName()));
return;
}
File outputFile = new File(outputDir, entry.getName());
if (!outputFile.getParentFile().exists()) {
createDir(outputFile.getParentFile());
}
log("Extracting: " + entry);
BufferedInputStream inputStream = new
BufferedInputStream(zipfile
.getInputStream(entry));
BufferedOutputStream outputStream = new BufferedOutputStream(
new FileOutputStream(outputFile));
try {
IOUtils.copy(inputStream, outputStream);
} finally {
outputStream.close();
inputStream.close();
}
}
private void createDir(File dir) {
log("Creating dir " + dir.getName());
if (!dir.mkdirs())
throw new RuntimeException("Can not create dir " + dir);
}
}
Shawn McAllister
On Jul 15, 6:53 am, Mystique <joven.ch...@gmail.com> wrote:
> Hi, I'm starting out and trying to unzip a zip file back to source.
> I'm using this code, my source is call "/mnt/sdcard/Out.zip" to output
> "/mnt/sdcard/Out.txt" and it seems to work.
> Now, if I have many files in Out.zip how do I automatically unzip all
> files individually with the correct filename without creating Out.txt
> and then write onto it?
>
> ---code---
> try {
> File inFolder=new File("/mnt/sdcard/Out.zip");
> BufferedOutputStream out = null;
> ZipInputStream in = new ZipInputStream(new
> BufferedInputStream(new FileInputStream(inFolder)));
> int count;
> byte data[] = new byte[1000];
> out = new BufferedOutputStream(new FileOutputStream("/mnt/sdcard/
> Out.txt"),1000);
>
> while ((count = in.read(data,0,1000)) != -1) {
> out.write(data,0,count);
> }
> out.flush();
> out.close();}
>
> ---code---
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