public static int mDateGap(String dayName){
  Log.d("dayname",dayName);
  if (dayName.equals("mon")) {
    return 1;
  }
 else   if (dayName.equals("tue")) {
    return 2;
  }
 else   if (dayName.equals("wed")) {
    return 3;
  }
 else   if (dayName.equals("thu")) {
    return 4;
  }
 else   if (dayName.equals("fri")) {
    return 5;
  }
 else   if (dayName.equals("sat")) {
    return 6;
  }
 else {
    return 0;
  }
}

public static int mDateGap ( String dayName ) { Log . d ( "dayname" , dayName ) ; if ( dayName . equals ( "mon" ) ) { return 1 ; } else if ( dayName . equals ( "tue" ) ) { return 2 ; } else if ( dayName . equals ( "wed" ) ) { return 3 ; } else if ( dayName . equals ( "thu" ) ) { return 4 ; } else if ( dayName . equals ( "fri" ) ) { return 5 ; } else if ( dayName . equals ( "sat" ) ) { return 6 ; } else { return 0 ; } }
get the day difference in the selected day and the first day in the week
