/* * Geopaparazzi - Digital field mapping on Android based devices * Copyright (C) 2016 HydroloGIS (www.hydrologis.com) * * 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 eu.geopaparazzi.library; import java.io.IOException; import android.app.Application; import android.database.sqlite.SQLiteDatabase; import android.util.Log; import eu.geopaparazzi.library.database.GPLog; /** * Application extension for Geopaparazzi. * * @author Andrea Antonello (www.hydrologis.com) */ public abstract class GPApplication extends Application { private static GPApplication instance = null; @Override public void onCreate() { super.onCreate(); instance = this; if (GPLog.LOG_ANDROID) { Log.i(getClass().getSimpleName(), "GPApplication singleton created."); //$NON-NLS-1$ } } /** * Getter for the database. * * <p>In this method the database connection should be created. * * @return the database connection. * @throws IOException if something goes wrong. */ public abstract SQLiteDatabase getDatabase() throws IOException; /** * Closes the database. */ public abstract void closeDatabase(); /** * @return the singleton instance. */ public static GPApplication getInstance() { return instance; } }