Retrieve the default calendar id in Android

Question

I have the following code for adding event to calendar.

The problem is that I don\'t know how to retrieve the default calendar id.

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Answer 1

This code worked for me

private fun calendarId(): Long? {
    val uri = CalendarContract.Calendars.CONTENT_URI
    var cursor: Cursor?= null

    //Submit calendar query
    if (ContextCompat.checkSelfPermission(context, Manifest.permission.READ_CALENDAR) == PackageManager.PERMISSION_GRANTED) {
        cursor = contentResolver?.query(uri, CALENDAR_PROJECTION, null, null, null)

    } else{
        ActivityCompat.requestPermissions(activity, arrayOf(Manifest.permission.WRITE_CALENDAR), PERMISSION_REQUEST_WRITE_CALENDAR) }

     if (cursor != null) {
         Log.d("MainActivity", "Cursor is present")
         if(cursor.moveToFirst()) {
             //Get required fields
             val calID = cursor.getLong(CAL_ID)
             val calName = cursor.getLong(CAL_NAME)
             Log.d("MainActivity", "Calendar ID: $calID, Calendar Name: $calName")
             cursor.close()
             return calID
         }
     }

    //return null
    return null
}