Unresolved reference when using SetOnDateChangeListener

Question

I am trying create a calendar view where the user selects a day from a calendar and then displays the day month and year.

val calendar = findViewById(R.id.calendarView)
calendar.SetOnDateChangeListener(object : calendar.onDateChangeListener() {
    fun onSelectedDayChange(@NonNull calendarView: calender, i: Int, il: Int, i2: Int) {
        val date = i + "/" + il + "/" + i2
        val intent = Intent(this@CalenderActivity, MainActivity::class.java)
        intent.putExtra("date", date)
        startActivity(intent)
    }
}

I get this error message:

Unresolved reference: calendar at the SetOnDateChangeListener.

What am I doing wrong?

Answer 1

CalendarView has no SetOnDateChangeListener method. You have to write setOnDateChangeListener instead of SetOnDateChangeListener. But you have many other errors in this code. I think that final code should look like this:

val calendar = findViewById<CalendarView>(R.id.calendarView)
calendar.setOnDateChangeListener(CalendarView.OnDateChangeListener { _, i, il, i2 ->
    val date = "$i/$il/$i2"
    val intent = Intent(this@CalenderActivity, MainActivity::class.java)
    intent.putExtra("date", date)
    startActivity(intent)
}