UniZIP - free zipper/unzipper

UnityZip



UnityZip is unzipper/zipper for unity3d.
It work on iOS/Android/Mac ( probably windows )

sample.

Code (csharp):

1. // unzip
2. string zipfilePath = Application.temporaryCachePath + "/ZipData.zip"
3. string exportLocation = Application.temporaryCachePath + "/dir"
4.  
5. ZipUtil.Unzip ( zipfilePath, exportLocation);
6.  
7. //zip
8. string exportZipPath = Application.temporaryCachePath + "/dir/args.zip";
9. string[] fileParths = new string[]{ Application.temporaryCachePath + "/dir/args.txt"}
10.  
11. ZipUtil.Zip (exportZipPath, fileParths);

future

• support async zip/unzip
• inform result
• support password
• submit assetstore
• Directry support

 

Easy to handle. Works like a charm. Also tested on Windows here.

Thanks for sharing.

 

what does this do exactly? is it zipping and exporting or the zipped files are usable inside project/level?

 

@tsubaki_t1 Thanks a lot for sharing this. I was wondering if this works also on OSX (I need an unzipper that works from Unity Editor)? Can't test because I'm on Windows.

 

Would like to see LZMA instead of ZIP.

 

i meet a error! who can help me ??
10-09 16:29:31.739: I/Unity(23177): AndroidJavaException: java.lang.ClassNotFoundException: com.tsw.zipper
10-09 16:29:31.739: I/Unity(23177): at UnityEngine.AndroidJNISafe.CheckException () [0x00000] in <filename unknown>:0
10-09 16:29:31.739: I/Unity(23177): at UnityEngine.AndroidJNISafe.CallStaticObjectMethod (IntPtr clazz, IntPtr methodID, UnityEngine.jvalue[] args) [0x00000] in <filename unknown>:0
10-09 16:29:31.739: I/Unity(23177): at UnityEngine.AndroidJavaObject._CallStatic[AndroidJavaObject] (System.String methodName, System.Object[] args) [0x00000] in <filename unknown>:0
10-09 16:29:31.739: I/Unity(23177): at UnityEngine.AndroidJavaObject.CallStatic[AndroidJavaObject] (System.String methodName, System.Object[] args) [0x00000] in <filename unknown>:0
10-09 16:29:31.739: I/Unity(23177): at UnityEngine.AndroidJavaObject.FindClass (System.String name) [0x00000] in <filename unknown>:0
10-09 16:29:31.739: I/Unity(23177): at UnityEngine.AndroidJavaClass._AndroidJavaClass (System.String className) [0x00000] in <filename unknown>:0
10-09 16:29:31.739: I/Unity(23177): at UnityEngine.AndroidJavaClass..ctor (System.String className) [0x00000] in <filename unknown>:0
10-09 16:29:31.739: I/Unity(23177): at ZipUtil.Unzip (System.String zipFilePath, System.String location) [0x00000] in <filename unknown>:0

 

perhaps, your project no contain zipper class.
you should add zipper.jar in your project.

I add sample, you can get it.
https://github.com/tsubaki/UnityZip/tree/Sample

 

It work on OSX. (I'm on OSX. thank you for windows test!)

 

LZMA nudge ;-)

Actually unity has LZMA in it, they just haven't exposed it. I wish they would. Or is there a way?

 

The OpenCTM CSharp project (LGPL licensed) has some LZMA support, since the OpenCTM model format uses it to compress triangle data.

 

I am very unfamiliar with C#, but I need to use this UnZip tool.
I can get it to unzip the archive to the specified location, but I need a way to detect the progress of the UnZip.
Can anyone please help?

 

Hi guys,

I have tested on iOS and it works great!

Android, however, doesn't seem to work. It doesn't even show an error though.

• I have the zipper jar file on Plugins > Android folder.
• I also tried Internal and External (SD Card) Write Access
• My persistent data path leads to here: /storage/emulated/0/Android/data/com.mydomain.myapp/files/

... is there anything else I'm missing here?

On the sample folder for iOS, PluginsCode > iOS > ZipArchive folder was needed to be added on the XCode project.
I see there's an Android folder there with zipper.java file, do I need to place this somewhere in my project? If I do, where?

I'm not really sure if it's just not saving or the plugin isn't working. ¯\_(ツ)_/¯

Any help would be greatly appreciated. Thanks!

 

hmm, I have no idea.
I tried unzip under your condition, but it was working properly.

Can you check the sample?
https://github.com/tsubaki/UnityZip/tree/Sample

 

Thanks, it works. I just had to use WWW to pull the file from streaming assets and it worked.

 

Hi there!

Is there a way I can use this to zip up a directory and its contents, rather than pointing to all the files in the directory?

Thanks in advance!

 

Hi,

UniZip does not support the compression of directory.
perhaps I can support it, but sorry I can't do it right now for work.

 

Hi, total noob question. How do I add this to my project (It will be deployed to Android)?

There isn't an asset?
Do I need to create an asset bundle from the source?
Do I just copy files into my project? If so which ones?

Cheers.

 

Hi,

Place a copy of UniZip's Assets/plugins to your project.
https://github.com/tsubaki/UnityZip/tree/master/Assets/Plugins

if you want remove PC/Editor support compress,
you can remove Ionic.Zip.dll.

 

Does this contain encryption?

I ask if I would be running into problems when submitting to App Store.

If yes, is there a way I could disable or take it away?

 

contain code. (but unsupport encryption yet )
https://github.com/tsubaki/UnityZip/blob/master/PluginsCode/iOS/ZipArchive/minizip/crypt.h#L20

If you don't need crypting in your application, just define symbols NOCRYPT and NOUNCRYPT.

 

can we read data from inside without extracting it by code?

 

I'm not exactly sure what you mean by this

string[] files = new string[]{ Application.temporaryCachePath + "/dir/args.txt"}

is this referencing a file called args.txt ? what is in this file.

I have three files that i generate and would like those files to be zipped.

I cannot for the life of me get this to work.

I keep getting this.





NullReferenceException: Object reference not set to an instance of an object
ZipUtil.Zip (System.String zipFileName, System.String[] files) (at Assets/plugins/ZipUtil.cs:48)

 

Is it possible to have a how to video for this? I've done the unzip script, but I've put the file path to .dataPath
If not, how can I do this?
My script as of yet is below:

Code (JavaScript):

1. using Ionic.Zip;
2.  
3. var zipfilePath : String = Application.persistentDataPath + "/Warfare.zip";
4. var exportLocation : String = Application.persistentDataPath;
5.  
6. ZipUtil.Unzip (zipfilePath, exportLocation);

It is downloading a file and then attempting to unzip the file after, but it wont unzip the actual file, help please

 

How would I code this in javascript? Is the script I posted above sufficient?

 

Hi.
I wrote a sample of js version.

https://gist.github.com/tsubaki/5cd0b8a26d9cd6de3f08

 

args.txt is a file that was included in the zip of example.

if you want zip 3 files, you can write it.

Code (CSharp):

1. usingUnityEngine;
2. usingSystem.Collections;
3. usingSystem.IO;
4.  
5. publicclassZipUnzipSample : MonoBehaviour
6. {
7.     string[] files =
8.     {
9.         "Assets/twitter_icon1.png",
10.         "Assets/twitter_icon2.png",
11.         "Assets/twitter_icon3.png",
12.     };
13.  
14.     string zipPath {
15.         get {
16.             Directory.CreateDirectory ("ExportPath");
17.             return Path.Combine ("ExportPath", "file.zip");
18.         }
19.     }
20.  
21.     public void Zip ()
22.     {
23.         ZipUtil.Zip (zipPath, files);
24.     }
25. }

and I add a sample2.
This sample compresses the multiple files. and unzip it.

https://github.com/tsubaki/UnityZip/tree/Sample/Assets

 

If you are looking for a way to have a progress bar, here is the solution, but it works for Windows and Mac only.

Edit the "Zip.cs" file and make it like this:

Code (CSharp):

1. using UnityEngine;
2. using System.Collections;
3. using System;
4. using System.Runtime.InteropServices;
5. using Ionic.Zip;
6. using System.Text;
7. using System.IO;
8. using System.ComponentModel;
9.  
10. public class ZipUtil
11. {
12. #if UNITY_IPHONE
13.     [DllImport("__Internal")]
14.     private static extern void unzip (string zipFilePath, string location);
15.  
16.     [DllImport("__Internal")]
17.     private static extern void zip (string zipFilePath);
18.  
19.     [DllImport("__Internal")]
20.     private static extern void addZipFile (string addFile);
21.  
22. #endif
23.  
24.     public static float progress = 0.0f;
25.  
26.     public static void ExtractFile(string zipToUnpack, string unpackDirectory)
27.     {
28. #if UNITY_EDITOR || UNITY_STANDALONE_WIN || UNITY_STANDALONE_OSX
29.         progress = 0.0f;
30.         Directory.CreateDirectory(unpackDirectory);
31.  
32.         BackgroundWorker worker = new BackgroundWorker();
33.         worker.DoWork += (o, e) =>
34.         {
35.             using (ZipFile zip = ZipFile.Read(zipToUnpack))
36.             {
37.                 int step = 0;
38.  
39.                 foreach (ZipEntry file in zip)
40.                 {
41.                     file.Extract(unpackDirectory, ExtractExistingFileAction.OverwriteSilently);
42.                     step++;
43.                     progress = step / (zip.Count * 1.0f);
44.                 }
45.             }
46.         };
47.      
48.         worker.RunWorkerAsync();
49. #endif
50.     }
51.  
52.  
53.     public static void Unzip (string zipFilePath, string location)
54.     {
55. #if UNITY_EDITOR || UNITY_STANDALONE_WIN || UNITY_STANDALONE_OSX
56.         Directory.CreateDirectory (location);
57.      
58.         using (ZipFile zip = ZipFile.Read (zipFilePath)) {
59.          
60.             zip.ExtractAll (location, ExtractExistingFileAction.OverwriteSilently);
61.         }
62. #elif UNITY_ANDROID
63.         using (AndroidJavaClass zipper = new AndroidJavaClass ("com.tsw.zipper")) {
64.             zipper.CallStatic ("unzip", zipFilePath, location);
65.         }
66. #elif UNITY_IPHONE
67.         unzip (zipFilePath, location);
68. #endif
69.     }
70.  
71.     public static void Zip (string zipFileName, params string[] files)
72.     {
73. #if UNITY_EDITOR || UNITY_STANDALONE_WIN || UNITY_STANDALONE_OSX
74.         string path = Path.GetDirectoryName(zipFileName);
75.         Directory.CreateDirectory (path);
76.      
77.         using (ZipFile zip = new ZipFile()) {
78.             foreach (string file in files) {
79.                 zip.AddFile(file, "");
80.             }
81.             zip.Save (zipFileName);
82.         }
83. #elif UNITY_ANDROID
84.         using (AndroidJavaClass zipper = new AndroidJavaClass ("com.tsw.zipper")) {
85.             {
86.                 zipper.CallStatic ("zip", zipFileName, files);
87.             }
88.         }
89. #elif UNITY_IPHONE
90.         foreach (string file in files) {
91.             addZipFile (file);
92.         }
93.         zip (zipFileName);
94. #endif
95.     }
96. }
97.  

Now you have a new function ExtractFile(), it's working the same as the Unzip() function.

Use this new function like this:

Code (CSharp):

1. ZipUtil.ExtractFile("archive.zip", "unpack_directory");
2. Debug.Log("progress percent: " + (ZipUtil.progress * 100.0));

 

Help, I always get this error in XCode when compiling for iOS platform:

Undefined symbols for architecture armv7:
"_OBJC_CLASS_$_ZipArchive", referenced from:
objc-class-ref in UnityZipFile.o
ld: symbol(s) not found for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)

I have copied the content of "PluginsCode>iOS>ZipArchive" folder into Classes folder of my XCode project.
I have no idea anymore at this point.

Please, anybody knows what I do wrong?

 

Hmm...
It seem like don’t contain ZipArchive folder in your project.
Does your project have “ZipArchive.mm” and any files in BuildPhases/Compile sources?

 

Hi, new to unity and I wish to download this for a project I am currently working on (in Windows 8.1). I simply copy everything in the Assets/Plugins folder into the Plugin folder for my project?

 

If you want only Windows 8.1 support only, you can remove plugins/android and plugins/ios.

 

So that leaves only the Zip c# file and Ionic.Zip.dll in the plugins folder, correct? Thanks again for the timely response!

 

Correct.
BTW, I did not check yet in Windows 8.1.
If it don't work in Windows 8.1, please tell me.

 

It works perfectly!

 

Did anyone test it with OSX/Linux? I need multiplatform solution.

 

Did not test yet. I will check it.

perhaps, Unizip work if work Sharpzip work on linux.

 

Unizip works in Linux.

 

It works for me on Android, but how do I add this to an IOS project?

I get an error saying

ZipArchive.mm:270:8: 'release' is unavailable: not available in automatic reference counting mode

Kind regards

Jesper

 

Great! Just what I needed to implement zip-based solution for my game's levels so they can have comic-style cutscenes.

 

I am using SSIS Script Task. using Ionic.ZIP. Windows Server 2008 R2. I get the following error message. Could not load file or assembly 'Ionic.Zip, Version=1.9.1.8, Culture=neutral, PublicKeyToken=edbe51ad942a3f5c' or one of its dependencies. The system cannot find the file specified.

Code (CSharp):

1.         public class start
2.         {
3.             public void decrypt(string filename)
4.             {
5.                 if (string.IsNullOrWhiteSpace(filename))
6.                     throw new ArgumentNullException("filename");
7.  
8.                 string sfilepath = string.Format("\\\\Server\\Data Transfers\\File\\ZipFilePath\\{0}", filename);
9.                 if (System.IO.File.Exists(sfilepath))
10.                 {
11.                     ZipFile fileToExtract = new ZipFile(sfilepath);
12.                     fileToExtract.Password = "pw";
13.                     string destination = "\\\\Server\\Data Transfers\\File\\UnZipFilePath";
14.                     if (System.IO.File.Exists(destination))
15.                         System.IO.File.Delete(destination);
16.  
17.                     fileToExtract.ExtractAll(destination);
18.                 }
19.                 else
20.                     throw new ArgumentException("No file found at location given", paramName: "filename");
21.             }
22.         }

 

Hey,
By the way you can use Thread Ninja to do the Unzipping in a background Thread this way it does not block your main Thread

[EDIT] It seems like Thread Ninja and Unizip don't work together on Android, at least not with gearVR.

 

Hi Dakor.
UniZip use AndroidJavaClass in unzip code for Android.
UniZip will not work if AndroidJavaClass isn't thread safe.

I'll try checking it.

 

Hi All,

I kindly ask your support for iOS.

I've built and then I've copied the PluginsCode>iOS> ZipArchive content into my xcode project but i'm unable to build.

I receive these errors :

Undefined symbols for architecture arm64:

"_addZipFile", referenced from:

_ZipUtil_addZipFile_m674 in Bulk_Assembly-CSharp-firstpass_0.o

(maybe you meant: _ZipUtil_addZipFile_m674)

"_zip", referenced from:

_ZipUtil_zip_m673 in Bulk_Assembly-CSharp-firstpass_0.o

(maybe you meant: _ZipUtil_zip_m673)

"_unzip", referenced from:

_ZipUtil_unzip_m672 in Bulk_Assembly-CSharp-firstpass_0.o

(maybe you meant: _ZipUtil_unzip_m672)

ld: symbol(s) not found for architecture arm64

clang: error: linker command failed with exit code 1 (use -v to see invocation)

My Configuration is :

Apple Macbook Pro
Unity 4.6.9 (Build settings - IL2CPP and NET .2.0)
Xcode 7.1

My Target platforms are :

ipad (older armv7)
ipad (newer arm64)


Anyone can help me to solve this ?

Thanks In advance and

 

has anybody tested it on wp8 , for me its not working, is there any workaround or fix .. please let me know

 

Have any of you guys got this to run on Unity5 | XCode 7.1 / 7.2?

I drag the ZipArchive folder to Libraries > Plugins > iOS but I always get the 'UnityZipFile.mm > 'ZipArchive.h' file not found error.

Any help would be greatly appreciated.
Thanks in advance.

 

so, its giving me this error when im trying to unzip. any pointers?:-
BadReadException: Bad signature (0xE1FFFFB5) at position 0x017A51B0
Ionic.Zip.ZipEntry.ReadDirEntry (Ionic.Zip.ZipFile zf, System.Collections.Generic.Dictionary`2 previouslySeen)
Ionic.Zip.ZipFile.ReadCentralDirectory (Ionic.Zip.ZipFile zf)
Ionic.Zip.ZipFile.ReadIntoInstance (Ionic.Zip.ZipFile zf)
Rethrow as ZipException: Cannot read that as a ZipFile
Ionic.Zip.ZipFile.ReadIntoInstance (Ionic.Zip.ZipFile zf)
Ionic.Zip.ZipFile.Read (System.String fileName, System.IO.TextWriter statusMessageWriter, System.Text.Encoding encoding, System.EventHandler`1 readProgress)
Ionic.Zip.ZipFile.Read (System.String fileName)


P.S:- im downloading a zip file from a server, then writing it to disk using www.byte and filestream. The file opens normally in windows, but is not opening when i do zipfile.unzip.

 

@shadowfork

I noticed that UniZip does not work if follow manual in xcod7.
I will change code and manuals soon.

@vibas.behera095

How do you compress it?

 

well, that error was occurring due to some extra bytes being written, successfully corrected that. It works perfectly in android as well.. but when building the program for IOS, it gives an error
" Fatal error in Mono CIL Linker System.Exception: Error processing method: 'System.Void Ionic.Zip.WinZipAesCipherStream::TraceOutput(System.String,System.Object[])' in assembly: 'Ionic.Zip.dll' --->"

 

#Thanks, it works. I just had to use WWW to pull the file from
streaming assets and it worked.

Please can you help me here.
How did you it.
Maybe a code would do.
Please I desperately need your help.

 

@tsubaki_t1
Can it work on Unity 5.3 and Xcode 7.2?