To get Date and time from Timestamp Android

//Try the following

SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy");
String dateString = formatter.format(new Date(Long.parseLong(YOUR TIMESTAMP VALUE)));
txtDate.setText(dateString);    

//You can put your needed format here:

SimpleDateFormat formatter = new SimpleDateFormat("YOUR REQUIRED FORMAT");

Try this is working with me

public  String getDateCurrentTimeZone(long timestamp) {
        try{
            Calendar calendar = Calendar.getInstance();
            TimeZone tz = TimeZone.getDefault();
            calendar.setTimeInMillis(timestamp * 1000);
            calendar.add(Calendar.MILLISECOND, tz.getOffset(calendar.getTimeInMillis()));
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            Date currenTimeZone = (Date) calendar.getTime();
            return sdf.format(currenTimeZone);
        }catch (Exception e) {
        }
        return "";
    }

Improving upon the answer given by Pratik Dasa

SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy");

Here you can get various formats using the following syntax. You can play around with it by deleting or adding terms given below in the syntax.

Date and Time Pattern                Result
-----------------------------        ---------------------------------
"yyyy.MM.dd G 'at' HH:mm:ss z"       2001.07.04 AD at 12:08:56 PDT
"EEE, MMM d, ''yy"                   Wed, Jul 4, '01
"h:mm a"                             12:08 PM
"hh 'o''clock' a, zzzz"              12 o'clock PM, Pacific Daylight Time
"K:mm a, z"                          0:08 PM, PDT
"yyyyy.MMMMM.dd GGG hh:mm aaa"       02001.July.04 AD 12:08 PM
"EEE, d MMM yyyy HH:mm:ss Z"         Wed, 4 Jul 2001 12:08:56 -0700
"yyMMddHHmmssZ"                      010704120856-0700
"yyyy-MM-dd'T'HH:mm:ss.SSSZ"         2001-07-04T12:08:56.235-0700
"yyyy-MM-dd'T'HH:mm:ss.SSSXXX"       2001-07-04T12:08:56.235-07:00
"YYYY-'W'ww-u"                       2001-W27-3