PreferencesHolder.java
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PreferencesHolder.java
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	/*
	BusTO - Data components
	Copyright (C) 2021 Fabio Mazza

	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 it.reyboz.bustorino.data;

	import android.content.Context;
	import android.content.SharedPreferences;
	import it.reyboz.bustorino.R;

	import static android.content.Context.MODE_PRIVATE;

	/**
	* Static class for commonly used SharedPreference operations
	*/
	public abstract class PreferencesHolder {

	public static final String PREF_GTFS_DB_VERSION = "gtfs_db_version";

	public static SharedPreferences getMainSharedPreferences(Context context){
	return context.getSharedPreferences(context.getString(R.string.mainSharedPreferences), MODE_PRIVATE);
	}

	public static int getGtfsDBVersion(SharedPreferences pref){
	return pref.getInt(PREF_GTFS_DB_VERSION,-1);
	}
	public static void setGtfsDBVersion(SharedPreferences pref,int version){
	SharedPreferences.Editor ed = pref.edit();
	ed.putInt(PREF_GTFS_DB_VERSION,version);
	ed.apply();
	}
	}