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07.31.2007 at 11:07AM PDT, ID: 22732528
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Calendar class in J2ME problems

Tags: j2me, calendar
I have tried to use the following method;
calendar = Calendar.getInstance();

to use a calendar using the default time zone, but it doesn't work. For example it give me the 5:00pm when
it should be 1:00pm. Can someone tell me what is the problem ?

        calendar = Calendar.getInstance();
        calendar.setTime(new Date());

        // to convert the current date to an String
        int year = calendar.get(Calendar.YEAR);
        int month = calendar.get(Calendar.MONTH) + 1;
        int day = calendar.get(Calendar.DATE);
        date = (month<10? "0": "")+ month+"/"+(day<10? "0": "") + day + "/" + (year<10? "0": "")+year;

        // to convert the current time to an String
        String[] AMPM = {"AM", "PM"};
        int hour = calendar.get(Calendar.HOUR);
        int minute = calendar.get(Calendar.MINUTE);
        String am_pm = (AMPM[calendar.get(Calendar.AM_PM)]);
        time = (hour + ":" + (minute<10? "0": "") + minute + am_pm);
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Question Stats
Zone: Programming
Question Asked By: jonathan_otero
Solution Provided By: qasitouch
Participating Experts: 1
Solution Grade: A
Views: 108
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08.01.2007 at 02:25AM PDT, ID: 19607228

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08.01.2007 at 02:41AM PDT, ID: 19607281

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08.01.2007 at 08:27AM PDT, ID: 19609732

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08.02.2007 at 02:32AM PDT, ID: 19615497

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08.02.2007 at 06:07AM PDT, ID: 19616469

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08.03.2007 at 12:31AM PDT, ID: 19623138

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08.03.2007 at 08:02AM PDT, ID: 19625570

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08.01.2007 at 02:25AM PDT, ID: 19607228
try this code, i m sure, your problem will be solved.


import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class EventEx2 extends MIDlet {
    Display display;

    public EventEx2() {
        display = Display.getDisplay(this);
    }

    public void destroyApp (boolean unconditional) {
        notifyDestroyed();
        System.out.println("App destroyed ");
    }

    public void pauseApp () {
        display = null;
        System.out.println("App paused.");
    }

    public void startApp () {
        Form form = new Form("Change Date");
       
        ItemStateListener listener = new ItemStateListener() {
            java.util.Calendar cal =
              java.util.Calendar.getInstance(java.util.TimeZone.getDefault());

            public void itemStateChanged(Item item) {
                cal.setTime(((DateField)item).getDate());
                System.out.println("\nDate has changed");
            }
        };

        // register for events
        form.setItemStateListener(listener);
       
        // get today's date
        java.util.Date now = new java.util.Date();
        DateField dateItem = new DateField("Today's date:", DateField.DATE);
        dateItem.setDate(now);
        // add date to the Form screen
        form.append(dateItem);
        display.setCurrent(form);
    }
}



=---------------
Kind Regards,
qasitouch
 
08.01.2007 at 02:41AM PDT, ID: 19607281
as for i understand u want to get current time. for that u dont have to use calender.

use code like this

StringBuffer buf;
buf.append( "Current time is  = " );
buf.append( System.currentTimeMillis() );
System.out.println(buf.toString());

it must work and ur problem is solved now

----------------
Kind Regards,
qasitouch.
Accepted Solution
 
08.01.2007 at 08:27AM PDT, ID: 19609732
Hi gasitouch;

I have tried both and I'm still getting the wrong time. I dont know what I am doing wrong I have tried to use the default time zone and everything and nothing works. Please let me know if you find something.
 
08.02.2007 at 02:32AM PDT, ID: 19615497
hmm, do you have checked the time zone of the mobile on which you are running this midlet??

plz go n change the time-zone. u can change it through Settings of your phone.
run the same midlet and change the time zone each time and see wht result u get.

 this will solve your problem for sure
and one thing more if it also doesn't work there is an option "Auto time Zone", try that too.


-----------------
Kind Regards,
qasitouch.

 
08.02.2007 at 06:07AM PDT, ID: 19616469
Hi qasitouch:

I'm still running all this in the emulator. Dou you think this is a problem ?
 
08.03.2007 at 12:31AM PDT, ID: 19623138
yeh, i think, plz run and test it on some mobile. if you get problems with the time, chk the time zone etc. as i said before.

-----------------
Kind Regards,
qasitouch.
 
08.03.2007 at 08:02AM PDT, ID: 19625570
Hey
Thanks for the help. I am gonna try to run the program in a real device.
 
 
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