Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Apparpav is copyright of Agenzia Regionale per la Prevenzione e
 * Protezione Ambientale del Veneto - Via Matteotti, 27 - 35137
 * Padova Italy
 *
 * 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 2 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, write to the Free
 * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA.
 */

import android.content.Context;
import android.content.SharedPreferences;

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

public class Main {
    private static final String SHARED_PREFS_FILE = "settings";

    /** 
     * Test if the app hasn't be installed before
     * @param context
     * @return
     */
    public static boolean isFirstRun(Context context) {
        SharedPreferences prefs = context.getSharedPreferences(SHARED_PREFS_FILE, Context.MODE_PRIVATE);
        return prefs.getBoolean(getVersion(context), true);
    }

    private static String getVersion(Context context) {

        try {
            PackageManager manager = context.getPackageManager();
            PackageInfo info = manager.getPackageInfo(context.getPackageName(), 0);
            return "version" + info.versionCode;

        } catch (NameNotFoundException e) {
            e.printStackTrace();
            return "default";
        }
    }
}