Ionic.Zip.dll don't work on export

Unity Engine
1

Hello,

I have wrote a simple update program in Unity. The system will download a zip file of my server. This should then be automatically extracted. For the extraction I use an external libary, named Ionic.Zip. Its very simple to work with Ionic. The program works fine in Unity self, but when I export it to an exe-file, it doesn’t work. The software stopps, at the extraction.

Here is my code:

using UnityEngine;
using System;
using System.IO;
using System.Net;
using System.IO.Compression;
using System.Diagnostics;
using Ionic.Zip;

public class Updater : MonoBehaviour 
{
	public GUISkin centerSkin;
	public GUISkin progressSkin;
	
	public Texture2D progressBar;
	
	internal string currentVersion;
	
	private bool foundUpdate = false;
	private bool haveNewest = false;
	private bool downloaded = false;
	private bool unzip = false;
	
	private int progress = 0;
	private int zipFiles = 0;
	private int extracted = 0;
	
	void Start()
	{
		string appdataLocation = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
		string gameLocation = appdataLocation + "\\FrozenShard\\";
		string versionLocation = gameLocation + "version.txt";
		
		if( File.Exists(versionLocation) )
			currentVersion = File.ReadAllText(versionLocation);
		else
			currentVersion = "-1";
		
		string newestVersion = connectToServer("http://link.de/games/frozenshard/version.php");
		
		if( !newestVersion.Equals(currentVersion) )
			foundUpdate = true;
		else
			haveNewest = true;
			
		if( foundUpdate )
		{
			WebClient webClient = new WebClient();
			webClient.DownloadFileCompleted += new System.ComponentModel.AsyncCompletedEventHandler(downloadComplete);
			webClient.DownloadProgressChanged += new DownloadProgressChangedEventHandler(changedProgress);
			webClient.DownloadFileAsync(new Uri("http://link.de/games/frozenshard/Game.zip"), @gameLocation + "Game.zip");
			
		}
		else if( haveNewest )
		{
			downloaded = true;
			unzip = true;
			foundUpdate = true;
		}
	}
	
	void OnGUI()
	{
		int w = Screen.width;

		if( !foundUpdate )
			GUI.Label(new Rect(0, 10, w, 100), "Checking for updates", centerSkin.label);
		else if( foundUpdate )
		{
			if( !downloaded )
				GUI.Label(new Rect(0, 10, w, 100), "Downloading update", centerSkin.label);
			else if( downloaded  !unzip )
				GUI.Label(new Rect(0, 10, w, 100), "Unzipping game", centerSkin.label);
			else
				GUI.Label(new Rect(0, 10, w, 100), "Ready to play", centerSkin.label);
				
			if( !downloaded )
			{
				float onePercent = Screen.width / 100.0f;
				float progressWidth = onePercent * progress;
				
				GUI.DrawTexture(new Rect(0, Screen.height - 60, progressWidth, 15), progressBar);
				GUI.Label(new Rect((w / 2) - 50, Screen.height - 90, 100, 20), "Progress: " + progress + "%", progressSkin.label);
			}
			else if( downloaded  unzip )
			{
				if( GUI.Button(new Rect((Screen.width / 2) - 100, Screen.height - 60, 200, 30), "PLAY!") )
				{
					string appdataLocation = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
					string gameLocation = appdataLocation + "\\FrozenShard\\";
					
					Process.Start(gameLocation + "\\Secret of the Frozen Shard.exe");
					Application.Quit();
				}
			}
		}
	}
	
	private string connectToServer(string link)
	{
		WebClient client = new WebClient();
		return client.DownloadString(link);
	}
	
	private void downloadComplete(object sender, System.ComponentModel.AsyncCompletedEventArgs e)
	{
		downloaded = true;
		openZIP();
	}
	
	private void changedProgress(object sender, DownloadProgressChangedEventArgs e)
	{
		progress = e.ProgressPercentage;
	}
	
	private void openZIP()
	{
		string appdataLocation = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
		string gameLocation = appdataLocation + "\\FrozenShard\\";
		
		using( ZipFile zip1 = ZipFile.Read(gameLocation + "Game.zip") )
		{
			progress = 0;
			zipFiles = zip1.Count;
			
			foreach( ZipEntry e in zip1 )
			{
				e.Extract(gameLocation, ExtractExistingFileAction.OverwriteSilently);
				extracted++;
			}
		}
		
		refreshVersion();
	}
	
	private void refreshVersion()
	{
		string appdataLocation = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
		string gameLocation = appdataLocation + "\\FrozenShard\\";
		
		string newestVersion = connectToServer("http://link.de/games/frozenshard/version.php");
		File.WriteAllText(gameLocation + "\\version.txt", newestVersion);
		
		deleteZIPFile();
	}
	
	private void deleteZIPFile()
	{
		string appdataLocation = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
		string gameLocation = appdataLocation + "\\FrozenShard\\";
		
		File.Delete(gameLocation + "\\Game.zip");
		unzip = true;
	}
}

Please help me.

Jordan

2
3

Thank you very much!! Now it works perfect.