Utilities.java

/*
 * Copyright 2010 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 net.coding.program.login.auth;

import android.webkit.WebView;

import java.util.Calendar;

/**
 * A class for handling a variety of utility things.  This was mostly made
 * because I needed to centralize dialog related constants. I foresee this class
 * being used for other code sharing across Activities in the future, however.
 *
 * @author alexei@czeskis.com (Alexei Czeskis)
 */
public class Utilities {
    // Links
    public static final String ZXING_MARKET =
            "market://search?q=pname:com.google.zxing.client.android";
    public static final String ZXING_DIRECT =
            "https://zxing.googlecode.com/files/BarcodeScanner3.1.apk";

    // Dialog IDs
    public static final int DOWNLOAD_DIALOG = 0;
    public static final int MULTIPLE_ACCOUNTS_DIALOG = 1;
    public static final long SECOND_IN_MILLIS = 1000;
    public static final long MINUTE_IN_MILLIS = 60 * SECOND_IN_MILLIS;
    static final int INVALID_QR_CODE = 3;
    static final int INVALID_SECRET_IN_QR_CODE = 7;

    // Constructor -- Does nothing yet
    private Utilities() {
    }

    public static final long millisToSeconds(long timeMillis) {
        return timeMillis / 1000;
    }

    public static final long secondsToMillis(long timeSeconds) {
        return timeSeconds * 1000;
    }

    /**
     * Sets the provided HTML as the contents of the provided {@link WebView}.
     */
    public static void setWebViewHtml(WebView view, String html) {
        view.loadDataWithBaseURL(null, html, "text/html", "utf-8", null);
    }

    public static boolean isDifferentDay(Calendar c1, Calendar c2) {
        return (c1.get(Calendar.DAY_OF_MONTH) != c2.get(Calendar.DAY_OF_MONTH))
                || (c1.get(Calendar.MONTH) != c2.get(Calendar.MONTH))
                || (c1.get(Calendar.YEAR) != c2.get(Calendar.YEAR));
    }
}