com.pwned.utils.VersionCheck.java Source code

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Here is the source code for com.pwned.utils.VersionCheck.java

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/*   SteamFriends
*   Copyright (C) 2008-2013  Pwned, LLC
*
*   This program is free software: you can redistribute it and/or modify
*   it under the terms of the GNU General Public License as published by
*   the Free Software Foundation, either version 3 of the License, or
*   (at your option) any later version.
*
*   This program is distributed in the hope that it will be useful,
*   but WITHOUT ANY WARRANTY; without even the implied warranty of
*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*   GNU General Public License for more details.
*
*   You should have received a copy of the GNU General Public License
*   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package com.pwned.utils;

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;

import org.apache.http.util.ByteArrayBuffer;

import com.pwned.steamfriends.Constants;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager.NameNotFoundException;
import android.net.Uri;

public class VersionCheck {
    private static Integer versionName;
    private static Integer currentVersionName;
    private static AlertDialog a;
    private static Context context = null;
    private static Thread returnRes = null;

    public static void getVersion(Context ctx) throws NameNotFoundException {
        versionName = ctx.getPackageManager().getPackageInfo(ctx.getPackageName(), 0).versionCode;
        context = ctx;
        validateVersion();
    }

    private static void validateVersion() {
        a = new AlertDialog.Builder(context).create();
        Thread runOnce = new Thread() {
            @Override
            public void run() {
                Logger.log("start version check", "start check");
                try {
                    _versionCheck();
                } catch (IOException e) {

                }
            }
        };
        runOnce.start();

        returnRes = new Thread() {

            @Override
            public void run() {
                if (versionName < currentVersionName)
                    showUpdate();
            }
        };

    }

    private static void showUpdate() {
        a.setTitle("A new version is available!");
        a.setMessage("Click download to get the new version, click Get Later to download it later.");
        a.setButton("Download", new DialogInterface.OnClickListener() {

            public void onClick(DialogInterface dialog, int which) {
                Intent myIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(Constants.MARKET_URL));
                context.startActivity(myIntent);
                dialog.dismiss();
                return;

            }
        });
        a.setButton2("Get Later", new DialogInterface.OnClickListener() {

            public void onClick(DialogInterface dialog, int which) {
                dialog.dismiss();
                return;

            }
        });
        a.show();
    }

    private static void _versionCheck() throws IOException {
        URL myURL = new URL(Constants.VERSIONCHECK_URL);
        URLConnection ucon = myURL.openConnection();
        InputStream is = ucon.getInputStream();
        BufferedInputStream bis = new BufferedInputStream(is);
        ByteArrayBuffer baf = new ByteArrayBuffer(50);
        int current = 0;
        while ((current = bis.read()) != -1) {
            baf.append((byte) current);
        }
        Logger.log("start version check", new String(baf.toByteArray()));
        try {
            currentVersionName = Integer.parseInt(new String(baf.toByteArray()));
        } catch (Exception e) {
            currentVersionName = 1;
        }
        ((Activity) context).runOnUiThread(returnRes);
    }

}