how to convert a date dd / mm / yyyy to yyyy-MM-dd HH:mm:ss Android [duplicate]

Answer 1

public static final String DATE_DASH_FORMAT = "yyyy-MM-dd";
public static final String DATE_FORMAT = "MM/dd/yyyy"; 

public static String prepareYearMonthDateFromString( String dateStr ){
    try
    {
        Date date = new SimpleDateFormat( DATE_FORMAT , Locale.ENGLISH ).parse( dateStr );
        DateFormat formatter = new SimpleDateFormat( DATE_DASH_FORMAT , Locale.getDefault() );
        dateStr = formatter.format( date.getTime() );
    }
    catch( ParseException e )
    {
        e.printStackTrace();
    }

    return dateStr;
}