Infos.java :  » App » showsms » com » bydavy » util » showsms » Android Open Source

/*
 * Copyright (C) 2009 Show SMS open source project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.bydavy.util.showsms;

//~--- non-JDK imports --------------------------------------------------------

import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;

import com.bydavy.android.showsms.SSPreferenceActivity;

/**
 * Class description
 *
 *
 * @version        1.0, 09/11/17
 * @author         Davy L.
 */
public class Infos {
    //~--- static fields ------------------------------------------------------

    /** To optimize query, queried one time */
    static private String versionName = null;

    //~--- get methods --------------------------------------------------------

    /**
     * Method to retrieve the version name of Show SMS
     *
     * @param context application context
     *
     * @return Application Version Name defined in the AndroidManifest.xml
     */
    public static String getVersionName(Context context) {
        if (versionName == null) {
            PackageManager pm = context.getPackageManager();

            try {
                PackageInfo pi = pm.getPackageInfo(SSPreferenceActivity.class.getPackage().getName(), 0);

                versionName = pi.versionName;
            } catch (NameNotFoundException e) {
                AppLog.e("AboutDialog: getVersionName() ERROR");
            }
        }

        return versionName;
    }
}