Get app's version from manifest file (attribute android:versionName). - Android App

Android examples for App:App Information

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Description

Get app's version from manifest file (attribute android:versionName).

Demo Code

/*// w w  w  .  ja v  a2 s.c  o m
 * Funambol is a mobile platform developed by Funambol, Inc.
 * Copyright (C) 2009 Funambol, Inc.
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by
 * the Free Software Foundation with the addition of the following permission
 * added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED
 * WORK IN WHICH THE COPYRIGHT IS OWNED BY FUNAMBOL, FUNAMBOL DISCLAIMS THE
 * WARRANTY OF NON INFRINGEMENT  OF THIRD PARTY RIGHTS.
 *
 * 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 Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301 USA.
 * 
 * You can contact Funambol, Inc. headquarters at 643 Bair Island Road, Suite
 * 305, Redwood City, CA 94063, USA, or at email address info@funambol.com.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License
 * version 3, these Appropriate Legal Notices must retain the display of the
 * "Powered by Funambol" logo. If the display of the logo is not reasonably
 * feasible for technical reasons, the Appropriate Legal Notices must display
 * the words "Powered by Funambol".
 */
//package com.java2s;
import android.content.Context;

import android.util.Log;

public class Main {
    private static final String TAG_LOG = "AndroidUtils";

    public static String getVersionNumberFromManifest(Context context) {

        final int flags = 0;
        String appVersionStr = "";

        try {
            appVersionStr = context.getPackageManager().getPackageInfo(
                    context.getPackageName(), flags).versionName;
        } catch (Exception ex) {
            Log.w(TAG_LOG,
                    "Could not obtain version of app from manifest file: "
                            + ex);
            appVersionStr = "???"; // Fallback for version number
        }

        return appVersionStr;
    }
}

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