show

show.kt

private fun showAlertAndOperate(@StringRes stringId: Int, leave: Leave, func: () -> Unit) {
        leaveDetailsDialogFragment.dismiss()       // Close Leave Details Dialog Fragment

        val text = getString(stringId, leave.User.getNameSurname(),  LeaveDate.getDayAndTimeByFormat(leave.CreatedAt, LeaveDate.prettyFormatLongDateTime), leave.Reason.Name)
        showAlertDialog(text, DialogInterface.OnClickListener {_, which ->
               if (which == DialogInterface.BUTTON_POSITIVE) {
                       func()
                       /* func() is sent as parameter. 
                       When dialog shows up and user tap OK button, func() is fired here */
                }
        })
}