Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright (C) 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.
 */

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

import android.preference.PreferenceManager;

public class Main {
    private static final String PREF_KEY_COUNTER = "counter";

    /**
     * Saves the counter value in the preference storage. If <code>value</code>
     * is negative, then the value will be removed from the preferences.
     */
    public static void saveCounterToPreference(Context context, int value) {
        SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(context);
        if (value < 0) {
            // we want to remove
            pref.edit().remove(PREF_KEY_COUNTER).apply();
        } else {
            pref.edit().putInt(PREF_KEY_COUNTER, value).apply();
        }
    }
}