PrefUtils.java

/*
 * Copyright 2014 Google Inc. All rights reserved.
 *
 * 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 it.gmariotti.cardslib.demo.utils;

import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;

import static it.gmariotti.cardslib.demo.utils.LogUtils.makeLogTag;

/**
 * Utilities and constants related to app preferences.
 */
public class PrefUtils  {
    private static final String TAG = makeLogTag("PrefUtils");

    /**
     * Boolean indicating whether we performed the (one-time) welcome flow.
     */
    public static final String PREF_WELCOME_DONE = "pref_welcome_done";

    public static boolean isWelcomeDone(final Context context) {
        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);
        return sp.getBoolean(PREF_WELCOME_DONE, false);
    }

    public static void markWelcomeDone(final Context context) {
        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);
        sp.edit().putBoolean(PREF_WELCOME_DONE, true).commit();
    }

    public static void registerOnSharedPreferenceChangeListener(final Context context,
            SharedPreferences.OnSharedPreferenceChangeListener listener) {
        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);
        sp.registerOnSharedPreferenceChangeListener(listener);
    }

    public static void unrgisterOnSharedPreferenceChangeListener(final Context context,
            SharedPreferences.OnSharedPreferenceChangeListener listener) {
        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);
        sp.unregisterOnSharedPreferenceChangeListener(listener);
    }
}