Android Long to Date Convert isYesterday(long date)

Description

Checks if the given date is yesterday.

License

Open Source License

Parameter

Parameter	Description
date	- Date to check.

Return

TRUE if the date is yesterday, FALSE otherwise.

Declaration

public static boolean isYesterday(long date) 

Method Source Code

/*******************************************************************************
 * Copyright (c) 2012 rmateus.//w  w  w . j a v  a2  s  .  c om
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 ******************************************************************************/

import android.content.Context;
import android.text.format.DateUtils;
import cm.aptoide.pt.R;
import java.text.DateFormatSymbols;
import java.util.Calendar;

public class Main{
    private static String mTimestampLabelYesterday;
    private static String mTimestampLabelToday;
    private static String mTimestampLabelJustNow;
    private static String mTimestampLabelMinutesAgo;
    private static String mTimestampLabelHoursAgo;
    private static String mTimestampLabelHourAgo;
    private static Context mCtx;
    private static DateTimeUtils instance;
    /**
     * Checks if the given date is yesterday.
     *
     * @param date - Date to check.
     * @return TRUE if the date is yesterday, FALSE otherwise.
     */
    public static boolean isYesterday(long date) {

        final Calendar currentDate = Calendar.getInstance();
        currentDate.setTimeInMillis(date);

        final Calendar yesterdayDate = Calendar.getInstance();
        yesterdayDate.add(Calendar.DATE, -1);

        return yesterdayDate.get(Calendar.YEAR) == currentDate
                .get(Calendar.YEAR)
                && yesterdayDate.get(Calendar.DAY_OF_YEAR) == currentDate
                        .get(Calendar.DAY_OF_YEAR);
    }
    /**
     * Singleton contructor, needed to get access to the application context & strings for i18n
     * @param context Context
     * @return DateTimeUtils singleton instanec
     * @throws Exception
     */
    public static DateTimeUtils getInstance(Context context) {
        mCtx = context;
        if (instance == null) {
            instance = new DateTimeUtils();
            mTimestampLabelYesterday = context.getResources().getString(
                    R.string.WidgetProvider_timestamp_yesterday);
            mTimestampLabelToday = context.getResources().getString(
                    R.string.WidgetProvider_timestamp_today);
            mTimestampLabelJustNow = context.getResources().getString(
                    R.string.WidgetProvider_timestamp_just_now);
            mTimestampLabelMinutesAgo = context.getResources().getString(
                    R.string.WidgetProvider_timestamp_minutes_ago);
            mTimestampLabelHoursAgo = context.getResources().getString(
                    R.string.WidgetProvider_timestamp_hours_ago);
            mTimestampLabelHourAgo = context.getResources().getString(
                    R.string.WidgetProvider_timestamp_hour_ago);
        }
        return instance;
    }
}

Related

1. getYear(long dateTimeMillis)
2. hrColMin(final long time, final boolean alwaysIncludeHours)
3. hrColMinColSec(final long time, final boolean alwaysIncludeHours)
4. isAtMostNMonthsAgo(long date, int howMany)
5. isAtMostNWeeksAgo(long date, int howMany)
6. isYesterday(long date)
7. longTimeToDate(long miliseconds)
8. longTimeToString(int i)
9. longToCalendar(Long time)