<I want to subtract a Calendar from another Calend...

# stackoverflow

[user]

I want to subtract a Calendar from another Calendar in Android
// Entry Date
val entryDate: Date? = SimpleDateFormat("dd MM yyyy", Locale.getDefault()).parse(users[position].entryDate!!)
val entryDateC: Calendar = Calendar.getInstance()
entryDateC.time = entryDate!!

Log.e("a7a entry" ,"$entryDate")

val endDateC: Calendar = Calendar.getInstance()
endDateC.time = entryDate
when (users[position].userSubscriptionPeriod) {
"1 Month" -> { endDateC.add(Calendar.MONTH, 1)}
"3...