Passing Data Between Activities in Android

passing data from one activity to another activity in android using intent.

Suppose two Activity : FirstActivity and SecondActivity. if we want to send data from FirstActivity  to SecondActivity  then we move from another activity using Intent 

We Send data in key-value form.

Convert timestamp to date and time in android

Here Timestamp means UNIX timestamp,convert to date and time in android. suppose timestamp is 1434624342( http://www.currenttimestamp.com/) and show into DD-MM-YYYY and HH:MM  format.

           long time=1434624342;

           Calendar cal = Calendar.getInstance(Locale.ENGLISH);

    cal.setTimeInMillis(time);

    String date = DateFormat.format("dd-MM-yyyy hh:mma", cal).toString();