get Next Clock Left Time Millis - Android java.util

Android examples for java.util:Time

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Description

get Next Clock Left Time Millis

Demo Code


import android.annotation.SuppressLint;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

public class Main{
    public static long getNextClockLeftTimeMillis() {
        LogUtil.log("********** CURRENT TIME : ["
                + getDate(System.currentTimeMillis(), "yyyy/MM/dd HH:mm:ss")
                + "]");

        Calendar next = Calendar.getInstance();
        next.add(Calendar.HOUR_OF_DAY, 1);

        int hour = next.get(Calendar.HOUR_OF_DAY);

        next.set(Calendar.HOUR_OF_DAY, hour);
        next.set(Calendar.MINUTE, 0);
        next.set(Calendar.SECOND, 0);

        long nextTimeMillis = next.getTimeInMillis();
        LogUtil.log("********** NEXT TIME : ["
                + getDate(nextTimeMillis, "yyyy/MM/dd HH:mm:ss") + "]");
        return nextTimeMillis - System.currentTimeMillis();
    }/*from w w w .  j av  a2  s.  c o  m*/
    @SuppressLint("SimpleDateFormat")
    public static String getDate(long timeMillis) {
        return new SimpleDateFormat("yyyy/MM/dd").format(new Date(
                timeMillis));
    }
    public static String getDate(long timeMillis, String strFormat) {
        return new SimpleDateFormat(strFormat).format(new Date(timeMillis));
    }
}

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